id	sid	tid	token	lemma	pos
iogr-1334	1	1	copyright	copyright	NOUN
iogr-1334	1	2	©	©	ADP
iogr-1334	1	3	the	the	DET
iogr-1334	1	4	author(s	author(s	NOUN
iogr-1334	1	5	)	)	PUNCT
iogr-1334	1	6	.	.	PUNCT
iogr-1334	2	1	this	this	DET
iogr-1334	2	2	work	work	NOUN
iogr-1334	2	3	is	be	AUX
iogr-1334	2	4	licensed	license	VERB
iogr-1334	2	5	under	under	ADP
iogr-1334	2	6	a	a	DET
iogr-1334	2	7	creative	creative	ADJ
iogr-1334	2	8	commons	common	NOUN
iogr-1334	2	9	attribution	attribution	NOUN
iogr-1334	2	10	4.0	4.0	NUM
iogr-1334	2	11	international	international	ADJ
iogr-1334	2	12	license	license	NOUN
iogr-1334	2	13	.	.	PUNCT
iogr-1334	3	1	improved	improve	VERB
iogr-1334	3	2	oil	oil	NOUN
iogr-1334	3	3	and	and	CCONJ
iogr-1334	3	4	gas	gas	NOUN
iogr-1334	3	5	recovery	recovery	NOUN
iogr-1334	3	6	doi	doi	NOUN
iogr-1334	3	7	:	:	PUNCT
iogr-1334	3	8	10.14800	10.14800	NUM
iogr-1334	3	9	/	/	SYM
iogr-1334	4	1	iogr.1334	iogr.1334	PROPN
iogr-1334	4	2	received	receive	VERB
iogr-1334	4	3	november	november	PROPN
iogr-1334	4	4	17	17	NUM
iogr-1334	4	5	,	,	PUNCT
iogr-1334	4	6	2024	2024	NUM
iogr-1334	4	7	;	;	PUNCT
iogr-1334	4	8	revised	revise	VERB
iogr-1334	4	9	december	december	PROPN
iogr-1334	4	10	1	1	NUM
iogr-1334	4	11	,	,	PUNCT
iogr-1334	4	12	2024	2024	NUM
iogr-1334	4	13	;	;	PUNCT
iogr-1334	4	14	accepted	accept	VERB
iogr-1334	4	15	december	december	PROPN
iogr-1334	4	16	25	25	NUM
iogr-1334	4	17	,	,	PUNCT
iogr-1334	4	18	2024	2024	NUM
iogr-1334	4	19	.	.	PUNCT
iogr-1334	5	1	*	*	PUNCT
iogr-1334	5	2	corresponding	correspond	VERB
iogr-1334	5	3	author	author	NOUN
iogr-1334	5	4	email	email	NOUN
iogr-1334	5	5	:	:	PUNCT
iogr-1334	5	6	mohammedhussein51@yahoo.com	mohammedhussein51@yahoo.com	X
iogr-1334	5	7	1	1	NUM
iogr-1334	5	8	investigation	investigation	NOUN
iogr-1334	5	9	of	of	ADP
iogr-1334	5	10	locally	locally	ADV
iogr-1334	5	11	sourced	source	VERB
iogr-1334	5	12	sand	sand	NOUN
iogr-1334	5	13	as	as	ADP
iogr-1334	5	14	proppants	proppant	NOUN
iogr-1334	5	15	in	in	ADP
iogr-1334	5	16	hydraulic	hydraulic	ADJ
iogr-1334	5	17	fracturing	fracturing	NOUN
iogr-1334	5	18	operations	operation	NOUN
iogr-1334	5	19	hussein	hussein	PROPN
iogr-1334	5	20	mohammed	mohammed	PROPN
iogr-1334	5	21	,	,	PUNCT
iogr-1334	5	22	ifeanyichukwu	ifeanyichukwu	PROPN
iogr-1334	5	23	michael	michael	PROPN
iogr-1334	5	24	onyejekwe	onyejekwe	PROPN
iogr-1334	5	25	,	,	PUNCT
iogr-1334	5	26	stanley	stanley	PROPN
iogr-1334	5	27	ibuchukwu	ibuchukwu	PROPN
iogr-1334	5	28	onwukwe	onwukwe	ADJ
iogr-1334	5	29	,	,	PUNCT
iogr-1334	5	30	federal	federal	ADJ
iogr-1334	5	31	university	university	PROPN
iogr-1334	5	32	of	of	ADP
iogr-1334	5	33	technology	technology	PROPN
iogr-1334	5	34	owerri	owerri	PROPN
iogr-1334	5	35	,	,	PUNCT
iogr-1334	5	36	imo	imo	PROPN
iogr-1334	5	37	state	state	PROPN
iogr-1334	5	38	,	,	PUNCT
iogr-1334	5	39	nigeria	nigeria	PROPN
iogr-1334	5	40	abstract	abstract	PROPN
iogr-1334	5	41	hydraulic	hydraulic	PROPN
iogr-1334	5	42	fracturing	fracturing	NOUN
iogr-1334	5	43	is	be	AUX
iogr-1334	5	44	a	a	DET
iogr-1334	5	45	critical	critical	ADJ
iogr-1334	5	46	reservoir	reservoir	NOUN
iogr-1334	5	47	stimulation	stimulation	NOUN
iogr-1334	5	48	technique	technique	NOUN
iogr-1334	5	49	that	that	PRON
iogr-1334	5	50	enhances	enhance	VERB
iogr-1334	5	51	hydrocarbon	hydrocarbon	NOUN
iogr-1334	5	52	recovery	recovery	NOUN
iogr-1334	5	53	by	by	ADP
iogr-1334	5	54	generating	generate	VERB
iogr-1334	5	55	fracture	fracture	NOUN
iogr-1334	5	56	networks	network	NOUN
iogr-1334	5	57	to	to	PART
iogr-1334	5	58	facilitate	facilitate	VERB
iogr-1334	5	59	fluid	fluid	ADJ
iogr-1334	5	60	flow	flow	NOUN
iogr-1334	5	61	from	from	ADP
iogr-1334	5	62	the	the	DET
iogr-1334	5	63	reservoir	reservoir	NOUN
iogr-1334	5	64	to	to	ADP
iogr-1334	5	65	the	the	DET
iogr-1334	5	66	wellbore	wellbore	NOUN
iogr-1334	5	67	.	.	PUNCT
iogr-1334	6	1	while	while	SCONJ
iogr-1334	6	2	conventional	conventional	ADJ
iogr-1334	6	3	proppants	proppant	NOUN
iogr-1334	6	4	effectively	effectively	ADV
iogr-1334	6	5	support	support	VERB
iogr-1334	6	6	fracture	fracture	NOUN
iogr-1334	6	7	conductivity	conductivity	NOUN
iogr-1334	6	8	,	,	PUNCT
iogr-1334	6	9	their	their	PRON
iogr-1334	6	10	high	high	ADJ
iogr-1334	6	11	cost	cost	NOUN
iogr-1334	6	12	drives	drive	VERB
iogr-1334	6	13	the	the	DET
iogr-1334	6	14	need	need	NOUN
iogr-1334	6	15	for	for	ADP
iogr-1334	6	16	alternative	alternative	ADJ
iogr-1334	6	17	,	,	PUNCT
iogr-1334	6	18	cost	cost	NOUN
iogr-1334	6	19	-	-	PUNCT
iogr-1334	6	20	efficient	efficient	ADJ
iogr-1334	6	21	options	option	NOUN
iogr-1334	6	22	.	.	PUNCT
iogr-1334	7	1	this	this	DET
iogr-1334	7	2	study	study	NOUN
iogr-1334	7	3	evaluates	evaluate	VERB
iogr-1334	7	4	the	the	DET
iogr-1334	7	5	potential	potential	NOUN
iogr-1334	7	6	of	of	ADP
iogr-1334	7	7	natural	natural	ADJ
iogr-1334	7	8	sands	sand	NOUN
iogr-1334	7	9	as	as	ADP
iogr-1334	7	10	economical	economical	ADJ
iogr-1334	7	11	proppants	proppant	NOUN
iogr-1334	7	12	for	for	ADP
iogr-1334	7	13	hydraulic	hydraulic	ADJ
iogr-1334	7	14	fracturing	fracturing	NOUN
iogr-1334	7	15	.	.	PUNCT
iogr-1334	8	1	the	the	DET
iogr-1334	8	2	sands	sand	NOUN
iogr-1334	8	3	were	be	AUX
iogr-1334	8	4	characterized	characterize	VERB
iogr-1334	8	5	using	use	VERB
iogr-1334	8	6	x	x	ADJ
iogr-1334	8	7	-	-	NOUN
iogr-1334	8	8	ray	ray	NOUN
iogr-1334	8	9	fluorescence	fluorescence	NOUN
iogr-1334	8	10	(	(	PUNCT
iogr-1334	8	11	xrf	xrf	PROPN
iogr-1334	8	12	)	)	PUNCT
iogr-1334	8	13	to	to	PART
iogr-1334	8	14	assess	assess	VERB
iogr-1334	8	15	their	their	PRON
iogr-1334	8	16	chemical	chemical	NOUN
iogr-1334	8	17	composition	composition	NOUN
iogr-1334	8	18	and	and	CCONJ
iogr-1334	8	19	mechanical	mechanical	ADJ
iogr-1334	8	20	properties	property	NOUN
iogr-1334	8	21	.	.	PUNCT
iogr-1334	9	1	to	to	PART
iogr-1334	9	2	improve	improve	VERB
iogr-1334	9	3	strength	strength	NOUN
iogr-1334	9	4	and	and	CCONJ
iogr-1334	9	5	minimize	minimize	VERB
iogr-1334	9	6	fines	fine	NOUN
iogr-1334	9	7	generation	generation	NOUN
iogr-1334	9	8	,	,	PUNCT
iogr-1334	9	9	locally	locally	ADV
iogr-1334	9	10	sourced	source	VERB
iogr-1334	9	11	sands	sand	NOUN
iogr-1334	9	12	were	be	AUX
iogr-1334	9	13	coated	coat	VERB
iogr-1334	9	14	with	with	ADP
iogr-1334	9	15	epoxy	epoxy	NOUN
iogr-1334	9	16	resin	resin	NOUN
iogr-1334	9	17	.	.	PUNCT
iogr-1334	10	1	an	an	DET
iogr-1334	10	2	economic	economic	ADJ
iogr-1334	10	3	analysis	analysis	NOUN
iogr-1334	10	4	was	be	AUX
iogr-1334	10	5	conducted	conduct	VERB
iogr-1334	10	6	to	to	PART
iogr-1334	10	7	determine	determine	VERB
iogr-1334	10	8	the	the	DET
iogr-1334	10	9	feasibility	feasibility	NOUN
iogr-1334	10	10	of	of	ADP
iogr-1334	10	11	employing	employ	VERB
iogr-1334	10	12	these	these	DET
iogr-1334	10	13	sands	sand	NOUN
iogr-1334	10	14	in	in	ADP
iogr-1334	10	15	field	field	NOUN
iogr-1334	10	16	operations	operation	NOUN
iogr-1334	10	17	.	.	PUNCT
iogr-1334	11	1	the	the	DET
iogr-1334	11	2	findings	finding	NOUN
iogr-1334	11	3	demonstrate	demonstrate	VERB
iogr-1334	11	4	that	that	SCONJ
iogr-1334	11	5	quartz	quartz	NOUN
iogr-1334	11	6	and	and	CCONJ
iogr-1334	11	7	topaz	topaz	NOUN
iogr-1334	11	8	sands	sand	NOUN
iogr-1334	11	9	meet	meet	VERB
iogr-1334	11	10	api	api	NOUN
iogr-1334	11	11	iso	iso	NOUN
iogr-1334	11	12	standards	standard	NOUN
iogr-1334	11	13	and	and	CCONJ
iogr-1334	11	14	are	be	AUX
iogr-1334	11	15	viable	viable	ADJ
iogr-1334	11	16	alternatives	alternative	NOUN
iogr-1334	11	17	for	for	ADP
iogr-1334	11	18	hydraulic	hydraulic	ADJ
iogr-1334	11	19	fracturing	fracturing	NOUN
iogr-1334	11	20	applications	application	NOUN
iogr-1334	11	21	,	,	PUNCT
iogr-1334	11	22	offering	offer	VERB
iogr-1334	11	23	a	a	DET
iogr-1334	11	24	balance	balance	NOUN
iogr-1334	11	25	of	of	ADP
iogr-1334	11	26	performance	performance	NOUN
iogr-1334	11	27	and	and	CCONJ
iogr-1334	11	28	cost	cost	NOUN
iogr-1334	11	29	-	-	PUNCT
iogr-1334	11	30	effectiveness	effectiveness	NOUN
iogr-1334	11	31	.	.	PUNCT
iogr-1334	12	1	introduction	introduction	NOUN
iogr-1334	12	2	in	in	ADP
iogr-1334	12	3	response	response	NOUN
iogr-1334	12	4	to	to	ADP
iogr-1334	12	5	the	the	DET
iogr-1334	12	6	challenges	challenge	NOUN
iogr-1334	12	7	posed	pose	VERB
iogr-1334	12	8	by	by	ADP
iogr-1334	12	9	traditional	traditional	ADJ
iogr-1334	12	10	proppants	proppant	NOUN
iogr-1334	12	11	,	,	PUNCT
iogr-1334	12	12	there	there	PRON
iogr-1334	12	13	is	be	VERB
iogr-1334	12	14	growing	grow	VERB
iogr-1334	12	15	interest	interest	NOUN
iogr-1334	12	16	in	in	ADP
iogr-1334	12	17	exploring	explore	VERB
iogr-1334	12	18	locally	locally	ADV
iogr-1334	12	19	sourced	source	VERB
iogr-1334	12	20	sands	sand	NOUN
iogr-1334	12	21	as	as	ADP
iogr-1334	12	22	an	an	DET
iogr-1334	12	23	alternative	alternative	ADJ
iogr-1334	12	24	proppant	proppant	NOUN
iogr-1334	12	25	material	material	NOUN
iogr-1334	12	26	.	.	PUNCT
iogr-1334	13	1	by	by	ADP
iogr-1334	13	2	sourcing	source	VERB
iogr-1334	13	3	proppants	proppant	NOUN
iogr-1334	13	4	locally	locally	ADV
iogr-1334	13	5	,	,	PUNCT
iogr-1334	13	6	operators	operator	NOUN
iogr-1334	13	7	can	can	AUX
iogr-1334	13	8	reduce	reduce	VERB
iogr-1334	13	9	transportation	transportation	NOUN
iogr-1334	13	10	costs	cost	NOUN
iogr-1334	13	11	and	and	CCONJ
iogr-1334	13	12	minimize	minimize	VERB
iogr-1334	13	13	the	the	DET
iogr-1334	13	14	environmental	environmental	ADJ
iogr-1334	13	15	impact	impact	NOUN
iogr-1334	13	16	associated	associate	VERB
iogr-1334	13	17	with	with	ADP
iogr-1334	13	18	long	long	ADJ
iogr-1334	13	19	distance	distance	NOUN
iogr-1334	13	20	transport	transport	NOUN
iogr-1334	13	21	.	.	PUNCT
iogr-1334	14	1	therefore	therefore	ADV
iogr-1334	14	2	,	,	PUNCT
iogr-1334	14	3	leveraging	leverage	VERB
iogr-1334	14	4	on	on	ADP
iogr-1334	14	5	indigenous	indigenous	ADJ
iogr-1334	14	6	sands	sand	NOUN
iogr-1334	14	7	as	as	ADP
iogr-1334	14	8	proppant	proppant	NOUN
iogr-1334	14	9	in	in	ADP
iogr-1334	14	10	nigeria	nigeria	PROPN
iogr-1334	14	11	for	for	ADP
iogr-1334	14	12	hydraulic	hydraulic	ADJ
iogr-1334	14	13	fracturing	fracturing	NOUN
iogr-1334	14	14	,	,	PUNCT
iogr-1334	14	15	suggests	suggest	VERB
iogr-1334	14	16	a	a	DET
iogr-1334	14	17	potential	potential	ADJ
iogr-1334	14	18	viable	viable	ADJ
iogr-1334	14	19	solution	solution	NOUN
iogr-1334	14	20	to	to	PART
iogr-1334	14	21	reduce	reduce	VERB
iogr-1334	14	22	dependence	dependence	NOUN
iogr-1334	14	23	on	on	ADP
iogr-1334	14	24	imports	import	NOUN
iogr-1334	14	25	,	,	PUNCT
iogr-1334	14	26	create	create	VERB
iogr-1334	14	27	local	local	ADJ
iogr-1334	14	28	content	content	NOUN
iogr-1334	14	29	economic	economic	ADJ
iogr-1334	14	30	opportunities	opportunity	NOUN
iogr-1334	14	31	,	,	PUNCT
iogr-1334	14	32	and	and	CCONJ
iogr-1334	14	33	mitigate	mitigate	VERB
iogr-1334	14	34	operational	operational	ADJ
iogr-1334	14	35	costs	cost	NOUN
iogr-1334	14	36	.	.	PUNCT
iogr-1334	15	1	hydraulic	hydraulic	ADJ
iogr-1334	15	2	fracturing	fracturing	NOUN
iogr-1334	15	3	,	,	PUNCT
iogr-1334	15	4	or	or	CCONJ
iogr-1334	15	5	fracking	fracking	NOUN
iogr-1334	15	6	,	,	PUNCT
iogr-1334	15	7	has	have	AUX
iogr-1334	15	8	become	become	VERB
iogr-1334	15	9	a	a	DET
iogr-1334	15	10	cornerstone	cornerstone	NOUN
iogr-1334	15	11	technology	technology	NOUN
iogr-1334	15	12	for	for	ADP
iogr-1334	15	13	extracting	extract	VERB
iogr-1334	15	14	oil	oil	NOUN
iogr-1334	15	15	and	and	CCONJ
iogr-1334	15	16	natural	natural	ADJ
iogr-1334	15	17	gas	gas	NOUN
iogr-1334	15	18	from	from	ADP
iogr-1334	15	19	unconventional	unconventional	ADJ
iogr-1334	15	20	reservoirs	reservoir	NOUN
iogr-1334	15	21	,	,	PUNCT
iogr-1334	15	22	such	such	ADJ
iogr-1334	15	23	as	as	ADP
iogr-1334	15	24	shale	shale	NOUN
iogr-1334	15	25	formations	formation	NOUN
iogr-1334	15	26	(	(	PUNCT
iogr-1334	15	27	moghadasi	moghadasi	NOUN
iogr-1334	15	28	et	et	PROPN
iogr-1334	15	29	al	al	PROPN
iogr-1334	15	30	.	.	PROPN
iogr-1334	15	31	,	,	PUNCT
iogr-1334	15	32	2019	2019	NUM
iogr-1334	15	33	;	;	PUNCT
iogr-1334	15	34	ifeanyichukwu	ifeanyichukwu	PROPN
iogr-1334	15	35	et	et	PROPN
iogr-1334	15	36	al	al	PROPN
iogr-1334	15	37	.	.	PROPN
iogr-1334	15	38	,	,	PUNCT
iogr-1334	15	39	2024	2024	NUM
iogr-1334	15	40	)	)	PUNCT
iogr-1334	15	41	.	.	PUNCT
iogr-1334	16	1	this	this	DET
iogr-1334	16	2	process	process	NOUN
iogr-1334	16	3	involves	involve	VERB
iogr-1334	16	4	injecting	inject	VERB
iogr-1334	16	5	a	a	DET
iogr-1334	16	6	high	high	ADJ
iogr-1334	16	7	-	-	PUNCT
iogr-1334	16	8	pressure	pressure	NOUN
iogr-1334	16	9	fluid	fluid	NOUN
iogr-1334	16	10	mixture	mixture	NOUN
iogr-1334	16	11	—	—	PUNCT
iogr-1334	16	12	comprising	comprising	NOUN
iogr-1334	16	13	water	water	NOUN
iogr-1334	16	14	,	,	PUNCT
iogr-1334	16	15	sand	sand	NOUN
iogr-1334	16	16	,	,	PUNCT
iogr-1334	16	17	and	and	CCONJ
iogr-1334	16	18	chemical	chemical	NOUN
iogr-1334	16	19	additives	additive	NOUN
iogr-1334	16	20	—	—	PUNCT
iogr-1334	16	21	into	into	ADP
iogr-1334	16	22	subsurface	subsurface	NOUN
iogr-1334	16	23	rock	rock	NOUN
iogr-1334	16	24	formations	formation	NOUN
iogr-1334	16	25	(	(	PUNCT
iogr-1334	16	26	taylor	taylor	PROPN
iogr-1334	16	27	et	et	PROPN
iogr-1334	16	28	al	al	PROPN
iogr-1334	16	29	.	.	PROPN
iogr-1334	16	30	2009	2009	NUM
iogr-1334	16	31	)	)	PUNCT
iogr-1334	16	32	.	.	PUNCT
iogr-1334	17	1	the	the	DET
iogr-1334	17	2	applied	apply	VERB
iogr-1334	17	3	pressure	pressure	NOUN
iogr-1334	17	4	induces	induce	VERB
iogr-1334	17	5	fractures	fracture	NOUN
iogr-1334	17	6	in	in	ADP
iogr-1334	17	7	the	the	DET
iogr-1334	17	8	rock	rock	NOUN
iogr-1334	17	9	,	,	PUNCT
iogr-1334	17	10	facilitating	facilitate	VERB
iogr-1334	17	11	the	the	DET
iogr-1334	17	12	release	release	NOUN
iogr-1334	17	13	of	of	ADP
iogr-1334	17	14	trapped	trap	VERB
iogr-1334	17	15	hydrocarbons	hydrocarbon	NOUN
iogr-1334	17	16	and	and	CCONJ
iogr-1334	17	17	enabling	enable	VERB
iogr-1334	17	18	their	their	PRON
iogr-1334	17	19	flow	flow	NOUN
iogr-1334	17	20	to	to	ADP
iogr-1334	17	21	the	the	DET
iogr-1334	17	22	surface	surface	NOUN
iogr-1334	17	23	for	for	ADP
iogr-1334	17	24	recovery	recovery	NOUN
iogr-1334	17	25	.	.	PUNCT
iogr-1334	18	1	over	over	ADP
iogr-1334	18	2	recent	recent	ADJ
iogr-1334	18	3	decades	decade	NOUN
iogr-1334	18	4	,	,	PUNCT
iogr-1334	18	5	hydraulic	hydraulic	ADJ
iogr-1334	18	6	fracturing	fracturing	NOUN
iogr-1334	18	7	has	have	AUX
iogr-1334	18	8	significantly	significantly	ADV
iogr-1334	18	9	increased	increase	VERB
iogr-1334	18	10	global	global	ADJ
iogr-1334	18	11	energy	energy	NOUN
iogr-1334	18	12	reserves	reserve	NOUN
iogr-1334	18	13	and	and	CCONJ
iogr-1334	18	14	transformed	transform	VERB
iogr-1334	18	15	the	the	DET
iogr-1334	18	16	oil	oil	NOUN
iogr-1334	18	17	and	and	CCONJ
iogr-1334	18	18	gas	gas	NOUN
iogr-1334	18	19	industry	industry	NOUN
iogr-1334	18	20	(	(	PUNCT
iogr-1334	18	21	rojas	rojas	PROPN
iogr-1334	18	22	et	et	PROPN
iogr-1334	18	23	al	al	PROPN
iogr-1334	18	24	.	.	PROPN
iogr-1334	18	25	2023	2023	NUM
iogr-1334	18	26	)	)	PUNCT
iogr-1334	18	27	.	.	PUNCT
iogr-1334	19	1	a	a	DET
iogr-1334	19	2	critical	critical	ADJ
iogr-1334	19	3	component	component	NOUN
iogr-1334	19	4	of	of	ADP
iogr-1334	19	5	this	this	DET
iogr-1334	19	6	process	process	NOUN
iogr-1334	19	7	is	be	AUX
iogr-1334	19	8	the	the	DET
iogr-1334	19	9	use	use	NOUN
iogr-1334	19	10	of	of	ADP
iogr-1334	19	11	proppants	proppant	NOUN
iogr-1334	19	12	,	,	PUNCT
iogr-1334	19	13	granular	granular	ADJ
iogr-1334	19	14	materials	material	NOUN
iogr-1334	19	15	introduced	introduce	VERB
iogr-1334	19	16	into	into	ADP
iogr-1334	19	17	the	the	DET
iogr-1334	19	18	fractures	fracture	NOUN
iogr-1334	19	19	to	to	PART
iogr-1334	19	20	maintain	maintain	VERB
iogr-1334	19	21	their	their	PRON
iogr-1334	19	22	openness	openness	NOUN
iogr-1334	19	23	after	after	SCONJ
iogr-1334	19	24	hydraulic	hydraulic	ADJ
iogr-1334	19	25	pressure	pressure	NOUN
iogr-1334	19	26	is	be	AUX
iogr-1334	19	27	withdrawn	withdraw	VERB
iogr-1334	19	28	(	(	PUNCT
iogr-1334	19	29	soane	soane	NOUN
iogr-1334	19	30	et	et	PROPN
iogr-1334	19	31	al	al	PROPN
iogr-1334	19	32	.	.	PROPN
iogr-1334	19	33	2011	2011	NUM
iogr-1334	19	34	)	)	PUNCT
iogr-1334	19	35	.	.	PUNCT
iogr-1334	20	1	proppants	proppant	NOUN
iogr-1334	20	2	maintain	maintain	VERB
iogr-1334	20	3	the	the	DET
iogr-1334	20	4	fractures	fracture	NOUN
iogr-1334	20	5	open	open	ADJ
iogr-1334	20	6	,	,	PUNCT
iogr-1334	20	7	creating	create	VERB
iogr-1334	20	8	permeable	permeable	ADJ
iogr-1334	20	9	pathways	pathway	NOUN
iogr-1334	20	10	that	that	PRON
iogr-1334	20	11	enable	enable	VERB
iogr-1334	20	12	hydrocarbons	hydrocarbon	NOUN
iogr-1334	20	13	to	to	PART
iogr-1334	20	14	flow	flow	VERB
iogr-1334	20	15	from	from	ADP
iogr-1334	20	16	the	the	DET
iogr-1334	20	17	reservoir	reservoir	NOUN
iogr-1334	20	18	to	to	ADP
iogr-1334	20	19	the	the	DET
iogr-1334	20	20	wellbore	wellbore	NOUN
iogr-1334	20	21	.	.	PUNCT
iogr-1334	21	1	without	without	ADP
iogr-1334	21	2	proppants	proppant	NOUN
iogr-1334	21	3	,	,	PUNCT
iogr-1334	21	4	fractures	fracture	NOUN
iogr-1334	21	5	would	would	AUX
iogr-1334	21	6	rapidly	rapidly	ADV
iogr-1334	21	7	close	close	VERB
iogr-1334	21	8	under	under	ADP
iogr-1334	21	9	the	the	DET
iogr-1334	21	10	surrounding	surround	VERB
iogr-1334	21	11	rock	rock	NOUN
iogr-1334	21	12	pressure	pressure	NOUN
iogr-1334	21	13	,	,	PUNCT
iogr-1334	21	14	significantly	significantly	ADV
iogr-1334	21	15	impeding	impede	VERB
iogr-1334	21	16	hydrocarbon	hydrocarbon	NOUN
iogr-1334	21	17	flow	flow	NOUN
iogr-1334	21	18	(	(	PUNCT
iogr-1334	21	19	bandara	bandara	PROPN
iogr-1334	21	20	et	et	PROPN
iogr-1334	21	21	al	al	PROPN
iogr-1334	21	22	.	.	PROPN
iogr-1334	21	23	2022	2022	NUM
iogr-1334	21	24	)	)	PUNCT
iogr-1334	21	25	.	.	PUNCT
iogr-1334	22	1	common	common	ADJ
iogr-1334	22	2	proppant	proppant	NOUN
iogr-1334	22	3	materials	material	NOUN
iogr-1334	22	4	include	include	VERB
iogr-1334	22	5	sand	sand	NOUN
iogr-1334	22	6	,	,	PUNCT
iogr-1334	22	7	ceramic	ceramic	ADJ
iogr-1334	22	8	particles	particle	NOUN
iogr-1334	22	9	,	,	PUNCT
iogr-1334	22	10	and	and	CCONJ
iogr-1334	22	11	resin	resin	NOUN
iogr-1334	22	12	-	-	PUNCT
iogr-1334	22	13	coated	coat	VERB
iogr-1334	22	14	materials	material	NOUN
iogr-1334	22	15	,	,	PUNCT
iogr-1334	22	16	with	with	ADP
iogr-1334	22	17	sand	sand	NOUN
iogr-1334	22	18	being	be	AUX
iogr-1334	22	19	the	the	DET
iogr-1334	22	20	most	most	ADV
iogr-1334	22	21	widely	widely	ADV
iogr-1334	22	22	used	use	VERB
iogr-1334	22	23	globally	globally	ADV
iogr-1334	22	24	due	due	ADP
iogr-1334	22	25	to	to	ADP
iogr-1334	22	26	its	its	PRON
iogr-1334	22	27	abundance	abundance	NOUN
iogr-1334	22	28	,	,	PUNCT
iogr-1334	22	29	cost	cost	NOUN
iogr-1334	22	30	-	-	PUNCT
iogr-1334	22	31	effectiveness	effectiveness	NOUN
iogr-1334	22	32	,	,	PUNCT
iogr-1334	22	33	and	and	CCONJ
iogr-1334	22	34	favorable	favorable	ADJ
iogr-1334	22	35	physical	physical	ADJ
iogr-1334	22	36	properties	property	NOUN
iogr-1334	22	37	(	(	PUNCT
iogr-1334	22	38	wahab	wahab	PROPN
iogr-1334	22	39	et	et	PROPN
iogr-1334	22	40	al	al	PROPN
iogr-1334	22	41	.	.	PROPN
iogr-1334	22	42	2022	2022	NUM
iogr-1334	22	43	;	;	PUNCT
iogr-1334	22	44	tang	tang	PROPN
iogr-1334	22	45	et	et	PROPN
iogr-1334	22	46	al	al	PROPN
iogr-1334	22	47	.	.	PROPN
iogr-1334	22	48	2018	2018	NUM
iogr-1334	22	49	)	)	PUNCT
iogr-1334	22	50	.	.	PUNCT
iogr-1334	23	1	however	however	ADV
iogr-1334	23	2	,	,	PUNCT
iogr-1334	23	3	advancements	advancement	NOUN
iogr-1334	23	4	in	in	ADP
iogr-1334	23	5	hydraulic	hydraulic	ADJ
iogr-1334	23	6	fracturing	fracturing	NOUN
iogr-1334	23	7	technologies	technology	NOUN
iogr-1334	23	8	and	and	CCONJ
iogr-1334	23	9	the	the	DET
iogr-1334	23	10	growing	grow	VERB
iogr-1334	23	11	need	need	NOUN
iogr-1334	23	12	for	for	ADP
iogr-1334	23	13	higher	high	ADJ
iogr-1334	23	14	efficiency	efficiency	NOUN
iogr-1334	23	15	have	have	AUX
iogr-1334	23	16	spurred	spur	VERB
iogr-1334	23	17	interest	interest	NOUN
iogr-1334	23	18	in	in	ADP
iogr-1334	23	19	alternative	alternative	ADJ
iogr-1334	23	20	proppant	proppant	NOUN
iogr-1334	23	21	materials	material	NOUN
iogr-1334	23	22	and	and	CCONJ
iogr-1334	23	23	sourcing	sourcing	NOUN
iogr-1334	23	24	strategies	strategy	NOUN
iogr-1334	23	25	(	(	PUNCT
iogr-1334	23	26	mohamad	mohamad	X
iogr-1334	23	27	-	-	NOUN
iogr-1334	23	28	sobri	sobri	NOUN
iogr-1334	23	29	2013	2013	NUM
iogr-1334	23	30	)	)	PUNCT
iogr-1334	23	31	.	.	PUNCT
iogr-1334	24	1	the	the	DET
iogr-1334	24	2	high	high	ADJ
iogr-1334	24	3	cost	cost	NOUN
iogr-1334	24	4	of	of	ADP
iogr-1334	24	5	conventional	conventional	ADJ
iogr-1334	24	6	proppants	proppant	NOUN
iogr-1334	24	7	often	often	ADV
iogr-1334	24	8	escalates	escalate	VERB
iogr-1334	24	9	mailto:mohammedhussein51@yahoo.com	mailto:mohammedhussein51@yahoo.com	NOUN
iogr-1334	24	10	improved	improve	VERB
iogr-1334	24	11	oil	oil	NOUN
iogr-1334	24	12	and	and	CCONJ
iogr-1334	24	13	gas	gas	NOUN
iogr-1334	24	14	recovery	recovery	NOUN
iogr-1334	24	15	2	2	NUM
iogr-1334	24	16	oil	oil	NOUN
iogr-1334	24	17	production	production	NOUN
iogr-1334	24	18	expenses	expense	NOUN
iogr-1334	24	19	,	,	PUNCT
iogr-1334	24	20	whereas	whereas	SCONJ
iogr-1334	24	21	locally	locally	ADV
iogr-1334	24	22	sourced	source	VERB
iogr-1334	24	23	sands	sand	NOUN
iogr-1334	24	24	,	,	PUNCT
iogr-1334	24	25	derived	derive	VERB
iogr-1334	24	26	from	from	ADP
iogr-1334	24	27	nearby	nearby	ADJ
iogr-1334	24	28	geological	geological	ADJ
iogr-1334	24	29	formations	formation	NOUN
iogr-1334	24	30	,	,	PUNCT
iogr-1334	24	31	present	present	VERB
iogr-1334	24	32	an	an	DET
iogr-1334	24	33	economical	economical	ADJ
iogr-1334	24	34	and	and	CCONJ
iogr-1334	24	35	practical	practical	ADJ
iogr-1334	24	36	alternative	alternative	NOUN
iogr-1334	24	37	to	to	ADP
iogr-1334	24	38	imported	import	VERB
iogr-1334	24	39	sands	sand	NOUN
iogr-1334	24	40	(	(	PUNCT
iogr-1334	24	41	gaber	gaber	PROPN
iogr-1334	24	42	and	and	CCONJ
iogr-1334	24	43	ibrahim	ibrahim	PROPN
iogr-1334	24	44	2020	2020	NUM
iogr-1334	24	45	)	)	PUNCT
iogr-1334	24	46	.	.	PUNCT
iogr-1334	25	1	furthermore	furthermore	ADV
iogr-1334	25	2	,	,	PUNCT
iogr-1334	25	3	utilizing	utilize	VERB
iogr-1334	25	4	locally	locally	ADV
iogr-1334	25	5	sourced	source	VERB
iogr-1334	25	6	sands	sand	NOUN
iogr-1334	25	7	can	can	AUX
iogr-1334	25	8	bolster	bolster	VERB
iogr-1334	25	9	regional	regional	ADJ
iogr-1334	25	10	economies	economy	NOUN
iogr-1334	25	11	and	and	CCONJ
iogr-1334	25	12	enhance	enhance	VERB
iogr-1334	25	13	supply	supply	NOUN
iogr-1334	25	14	chain	chain	NOUN
iogr-1334	25	15	resilience	resilience	NOUN
iogr-1334	25	16	by	by	ADP
iogr-1334	25	17	reducing	reduce	VERB
iogr-1334	25	18	reliance	reliance	NOUN
iogr-1334	25	19	on	on	ADP
iogr-1334	25	20	external	external	ADJ
iogr-1334	25	21	suppliers	supplier	NOUN
iogr-1334	25	22	(	(	PUNCT
iogr-1334	25	23	agrawal	agrawal	NOUN
iogr-1334	25	24	and	and	CCONJ
iogr-1334	25	25	gernand	gernand	NOUN
iogr-1334	25	26	2020	2020	NUM
iogr-1334	25	27	;	;	PUNCT
iogr-1334	25	28	zwalatha	zwalatha	PROPN
iogr-1334	25	29	et	et	PROPN
iogr-1334	25	30	al	al	PROPN
iogr-1334	25	31	.	.	PROPN
iogr-1334	25	32	2024	2024	NUM
iogr-1334	25	33	)	)	PUNCT
iogr-1334	25	34	.	.	PUNCT
iogr-1334	26	1	zwalatha	zwalatha	PROPN
iogr-1334	26	2	et	et	PROPN
iogr-1334	26	3	al	al	PROPN
iogr-1334	26	4	.	.	PROPN
iogr-1334	26	5	investigated	investigate	VERB
iogr-1334	26	6	the	the	DET
iogr-1334	26	7	suitability	suitability	NOUN
iogr-1334	26	8	of	of	ADP
iogr-1334	26	9	luwa	luwa	NOUN
iogr-1334	26	10	sands	sand	NOUN
iogr-1334	26	11	for	for	ADP
iogr-1334	26	12	use	use	NOUN
iogr-1334	26	13	as	as	ADP
iogr-1334	26	14	proppants	proppant	NOUN
iogr-1334	26	15	in	in	ADP
iogr-1334	26	16	hydraulic	hydraulic	ADJ
iogr-1334	26	17	fracturing	fracturing	NOUN
iogr-1334	26	18	operations	operation	NOUN
iogr-1334	26	19	.	.	PUNCT
iogr-1334	27	1	the	the	DET
iogr-1334	27	2	sands	sand	NOUN
iogr-1334	27	3	were	be	AUX
iogr-1334	27	4	collected	collect	VERB
iogr-1334	27	5	from	from	ADP
iogr-1334	27	6	the	the	DET
iogr-1334	27	7	luwa	luwa	PROPN
iogr-1334	27	8	river	river	PROPN
iogr-1334	27	9	in	in	ADP
iogr-1334	27	10	toro	toro	PROPN
iogr-1334	27	11	,	,	PUNCT
iogr-1334	27	12	bauchi	bauchi	ADJ
iogr-1334	27	13	state	state	NOUN
iogr-1334	27	14	,	,	PUNCT
iogr-1334	27	15	nigeria	nigeria	PROPN
iogr-1334	27	16	,	,	PUNCT
iogr-1334	27	17	and	and	CCONJ
iogr-1334	27	18	coated	coat	VERB
iogr-1334	27	19	with	with	ADP
iogr-1334	27	20	epoxy	epoxy	NOUN
iogr-1334	27	21	resin	resin	NOUN
iogr-1334	27	22	to	to	PART
iogr-1334	27	23	enhance	enhance	VERB
iogr-1334	27	24	their	their	PRON
iogr-1334	27	25	properties	property	NOUN
iogr-1334	27	26	.	.	PUNCT
iogr-1334	28	1	experimental	experimental	ADJ
iogr-1334	28	2	evaluations	evaluation	NOUN
iogr-1334	28	3	were	be	AUX
iogr-1334	28	4	conducted	conduct	VERB
iogr-1334	28	5	following	follow	VERB
iogr-1334	28	6	api	api	NOUN
iogr-1334	28	7	-	-	PUNCT
iogr-1334	28	8	recommended	recommend	VERB
iogr-1334	28	9	practices	practice	NOUN
iogr-1334	28	10	to	to	PART
iogr-1334	28	11	assess	assess	VERB
iogr-1334	28	12	the	the	DET
iogr-1334	28	13	sand	sand	NOUN
iogr-1334	28	14	's	's	PART
iogr-1334	28	15	potential	potential	NOUN
iogr-1334	28	16	as	as	ADP
iogr-1334	28	17	a	a	DET
iogr-1334	28	18	proppant	proppant	NOUN
iogr-1334	28	19	.	.	PUNCT
iogr-1334	29	1	characterization	characterization	NOUN
iogr-1334	29	2	results	result	NOUN
iogr-1334	29	3	demonstrated	demonstrate	VERB
iogr-1334	29	4	that	that	SCONJ
iogr-1334	29	5	luwa	luwa	NOUN
iogr-1334	29	6	sand	sand	NOUN
iogr-1334	29	7	meets	meet	VERB
iogr-1334	29	8	the	the	DET
iogr-1334	29	9	requirements	requirement	NOUN
iogr-1334	29	10	for	for	ADP
iogr-1334	29	11	use	use	NOUN
iogr-1334	29	12	as	as	ADP
iogr-1334	29	13	a	a	DET
iogr-1334	29	14	proppant	proppant	NOUN
iogr-1334	29	15	and	and	CCONJ
iogr-1334	29	16	performs	perform	VERB
iogr-1334	29	17	competitively	competitively	ADV
iogr-1334	29	18	against	against	ADP
iogr-1334	29	19	international	international	ADJ
iogr-1334	29	20	standards	standard	NOUN
iogr-1334	29	21	.	.	PUNCT
iogr-1334	30	1	additionally	additionally	ADV
iogr-1334	30	2	,	,	PUNCT
iogr-1334	30	3	wahab	wahab	PROPN
iogr-1334	30	4	et	et	PROPN
iogr-1334	30	5	al	al	PROPN
iogr-1334	30	6	.	.	PROPN
iogr-1334	30	7	(	(	PUNCT
iogr-1334	30	8	2022	2022	NUM
iogr-1334	30	9	)	)	PUNCT
iogr-1334	30	10	noted	note	VERB
iogr-1334	30	11	that	that	SCONJ
iogr-1334	30	12	sands	sand	NOUN
iogr-1334	30	13	composed	compose	VERB
iogr-1334	30	14	predominantly	predominantly	ADV
iogr-1334	30	15	of	of	ADP
iogr-1334	30	16	silica	silica	NOUN
iogr-1334	30	17	grains	grain	NOUN
iogr-1334	30	18	are	be	AUX
iogr-1334	30	19	the	the	DET
iogr-1334	30	20	most	most	ADV
iogr-1334	30	21	suitable	suitable	ADJ
iogr-1334	30	22	naturally	naturally	ADV
iogr-1334	30	23	occurring	occur	VERB
iogr-1334	30	24	materials	material	NOUN
iogr-1334	30	25	for	for	ADP
iogr-1334	30	26	proppants	proppant	NOUN
iogr-1334	30	27	in	in	ADP
iogr-1334	30	28	hydraulic	hydraulic	ADJ
iogr-1334	30	29	fracturing	fracturing	NOUN
iogr-1334	30	30	processes	process	NOUN
iogr-1334	30	31	.	.	PUNCT
iogr-1334	31	1	gaber	gaber	PROPN
iogr-1334	31	2	and	and	CCONJ
iogr-1334	31	3	ibrahim	ibrahim	PROPN
iogr-1334	31	4	(	(	PUNCT
iogr-1334	31	5	2021	2021	NUM
iogr-1334	31	6	)	)	PUNCT
iogr-1334	31	7	analyzed	analyze	VERB
iogr-1334	31	8	pure	pure	ADJ
iogr-1334	31	9	silica	silica	NOUN
iogr-1334	31	10	sands	sand	NOUN
iogr-1334	31	11	along	along	ADP
iogr-1334	31	12	the	the	DET
iogr-1334	31	13	red	red	PROPN
iogr-1334	31	14	sea	sea	PROPN
iogr-1334	31	15	coast	coast	NOUN
iogr-1334	31	16	of	of	ADP
iogr-1334	31	17	sinai	sinai	PROPN
iogr-1334	31	18	and	and	CCONJ
iogr-1334	31	19	the	the	DET
iogr-1334	31	20	eastern	eastern	ADJ
iogr-1334	31	21	desert	desert	NOUN
iogr-1334	31	22	for	for	ADP
iogr-1334	31	23	their	their	PRON
iogr-1334	31	24	suitability	suitability	NOUN
iogr-1334	31	25	as	as	ADP
iogr-1334	31	26	fracturing	fracture	VERB
iogr-1334	31	27	sands	sand	NOUN
iogr-1334	31	28	.	.	PUNCT
iogr-1334	32	1	their	their	PRON
iogr-1334	32	2	study	study	NOUN
iogr-1334	32	3	focused	focus	VERB
iogr-1334	32	4	on	on	ADP
iogr-1334	32	5	wadi	wadi	PROPN
iogr-1334	32	6	dakhal	dakhal	PROPN
iogr-1334	32	7	white	white	ADJ
iogr-1334	32	8	sand	sand	NOUN
iogr-1334	32	9	and	and	CCONJ
iogr-1334	32	10	sand	sand	NOUN
iogr-1334	32	11	dunes	dune	NOUN
iogr-1334	32	12	found	find	VERB
iogr-1334	32	13	along	along	ADP
iogr-1334	32	14	the	the	DET
iogr-1334	32	15	bahariya	bahariya	NOUN
iogr-1334	32	16	oasis	oasis	PROPN
iogr-1334	32	17	road	road	NOUN
iogr-1334	32	18	(	(	PUNCT
iogr-1334	32	19	karama	karama	PROPN
iogr-1334	32	20	oil	oil	NOUN
iogr-1334	32	21	field	field	NOUN
iogr-1334	32	22	)	)	PUNCT
iogr-1334	32	23	.	.	PUNCT
iogr-1334	33	1	results	result	NOUN
iogr-1334	33	2	showed	show	VERB
iogr-1334	33	3	that	that	SCONJ
iogr-1334	33	4	the	the	DET
iogr-1334	33	5	silicon	silicon	NOUN
iogr-1334	33	6	dioxide	dioxide	NOUN
iogr-1334	33	7	(	(	PUNCT
iogr-1334	33	8	sio2	sio2	PROPN
iogr-1334	33	9	)	)	PUNCT
iogr-1334	33	10	content	content	NOUN
iogr-1334	33	11	was	be	AUX
iogr-1334	33	12	99	99	NUM
iogr-1334	33	13	%	%	NOUN
iogr-1334	33	14	for	for	ADP
iogr-1334	33	15	wadi	wadi	NOUN
iogr-1334	33	16	dakhal	dakhal	NOUN
iogr-1334	33	17	and	and	CCONJ
iogr-1334	33	18	95	95	NUM
iogr-1334	33	19	%	%	NOUN
iogr-1334	33	20	for	for	ADP
iogr-1334	33	21	karama	karama	PROPN
iogr-1334	33	22	field	field	NOUN
iogr-1334	33	23	sands	sand	NOUN
iogr-1334	33	24	.	.	PUNCT
iogr-1334	34	1	the	the	DET
iogr-1334	34	2	sands	sand	NOUN
iogr-1334	34	3	exhibited	exhibit	VERB
iogr-1334	34	4	crush	crush	NOUN
iogr-1334	34	5	resistance	resistance	NOUN
iogr-1334	34	6	in	in	ADP
iogr-1334	34	7	the	the	DET
iogr-1334	34	8	range	range	NOUN
iogr-1334	34	9	of	of	ADP
iogr-1334	34	10	5500–6500	5500–6500	NUM
iogr-1334	34	11	psi	psi	NOUN
iogr-1334	34	12	,	,	PUNCT
iogr-1334	34	13	turbidity	turbidity	NOUN
iogr-1334	34	14	at	at	ADP
iogr-1334	34	15	2	2	NUM
iogr-1334	34	16	%	%	NOUN
iogr-1334	34	17	,	,	PUNCT
iogr-1334	34	18	and	and	CCONJ
iogr-1334	34	19	rounded	round	VERB
iogr-1334	34	20	to	to	AUX
iogr-1334	34	21	sub	sub	ADJ
iogr-1334	34	22	-	-	ADJ
iogr-1334	34	23	rounded	rounded	ADJ
iogr-1334	34	24	grain	grain	NOUN
iogr-1334	34	25	shapes	shape	NOUN
iogr-1334	34	26	,	,	PUNCT
iogr-1334	34	27	aligning	align	VERB
iogr-1334	34	28	with	with	ADP
iogr-1334	34	29	iso	iso	NOUN
iogr-1334	34	30	13503	13503	NUM
iogr-1334	34	31	-	-	SYM
iogr-1334	34	32	2	2	NUM
iogr-1334	34	33	standards	standard	NOUN
iogr-1334	34	34	.	.	PUNCT
iogr-1334	35	1	the	the	DET
iogr-1334	35	2	grain	grain	NOUN
iogr-1334	35	3	size	size	NOUN
iogr-1334	35	4	distribution	distribution	NOUN
iogr-1334	35	5	ranged	range	VERB
iogr-1334	35	6	between	between	ADP
iogr-1334	35	7	30/50	30/50	NUM
iogr-1334	35	8	and	and	CCONJ
iogr-1334	35	9	40/70	40/70	NUM
iogr-1334	35	10	mesh	mesh	NOUN
iogr-1334	35	11	(	(	PUNCT
iogr-1334	35	12	710	710	NUM
iogr-1334	35	13	μm	μm	NOUN
iogr-1334	35	14	to	to	ADP
iogr-1334	35	15	210	210	NUM
iogr-1334	35	16	μm	μm	NUM
iogr-1334	35	17	)	)	PUNCT
iogr-1334	35	18	.	.	PUNCT
iogr-1334	36	1	similarly	similarly	ADV
iogr-1334	36	2	,	,	PUNCT
iogr-1334	36	3	elochukwu	elochukwu	NOUN
iogr-1334	36	4	and	and	CCONJ
iogr-1334	36	5	kenneth	kenneth	PROPN
iogr-1334	36	6	(	(	PUNCT
iogr-1334	36	7	2020	2020	NUM
iogr-1334	36	8	)	)	PUNCT
iogr-1334	36	9	investigated	investigate	VERB
iogr-1334	36	10	baram	baram	NOUN
iogr-1334	36	11	and	and	CCONJ
iogr-1334	36	12	tanjung	tanjung	NOUN
iogr-1334	36	13	sands	sand	NOUN
iogr-1334	36	14	for	for	ADP
iogr-1334	36	15	potential	potential	ADJ
iogr-1334	36	16	use	use	NOUN
iogr-1334	36	17	as	as	ADP
iogr-1334	36	18	proppants	proppant	NOUN
iogr-1334	36	19	.	.	PUNCT
iogr-1334	37	1	baram	baram	NOUN
iogr-1334	37	2	sand	sand	NOUN
iogr-1334	37	3	,	,	PUNCT
iogr-1334	37	4	with	with	ADP
iogr-1334	37	5	its	its	PRON
iogr-1334	37	6	larger	large	ADJ
iogr-1334	37	7	grain	grain	NOUN
iogr-1334	37	8	size	size	NOUN
iogr-1334	37	9	,	,	PUNCT
iogr-1334	37	10	was	be	AUX
iogr-1334	37	11	found	find	VERB
iogr-1334	37	12	to	to	PART
iogr-1334	37	13	support	support	VERB
iogr-1334	37	14	high	high	ADJ
iogr-1334	37	15	permeability	permeability	NOUN
iogr-1334	37	16	under	under	ADP
iogr-1334	37	17	low	low	ADJ
iogr-1334	37	18	closure	closure	NOUN
iogr-1334	37	19	stress	stress	NOUN
iogr-1334	37	20	,	,	PUNCT
iogr-1334	37	21	making	make	VERB
iogr-1334	37	22	it	it	PRON
iogr-1334	37	23	suitable	suitable	ADJ
iogr-1334	37	24	for	for	ADP
iogr-1334	37	25	hydraulic	hydraulic	ADJ
iogr-1334	37	26	fracturing	fracturing	NOUN
iogr-1334	37	27	at	at	ADP
iogr-1334	37	28	shallow	shallow	ADJ
iogr-1334	37	29	depths	depth	NOUN
iogr-1334	37	30	.	.	PUNCT
iogr-1334	38	1	building	build	VERB
iogr-1334	38	2	on	on	ADP
iogr-1334	38	3	this	this	DET
iogr-1334	38	4	foundation	foundation	NOUN
iogr-1334	38	5	,	,	PUNCT
iogr-1334	38	6	the	the	DET
iogr-1334	38	7	current	current	ADJ
iogr-1334	38	8	research	research	NOUN
iogr-1334	38	9	focuses	focus	VERB
iogr-1334	38	10	on	on	ADP
iogr-1334	38	11	a	a	DET
iogr-1334	38	12	comprehensive	comprehensive	ADJ
iogr-1334	38	13	evaluation	evaluation	NOUN
iogr-1334	38	14	of	of	ADP
iogr-1334	38	15	the	the	DET
iogr-1334	38	16	characterization	characterization	NOUN
iogr-1334	38	17	,	,	PUNCT
iogr-1334	38	18	performance	performance	NOUN
iogr-1334	38	19	,	,	PUNCT
iogr-1334	38	20	and	and	CCONJ
iogr-1334	38	21	economic	economic	ADJ
iogr-1334	38	22	viability	viability	NOUN
iogr-1334	38	23	of	of	ADP
iogr-1334	38	24	quartz	quartz	NOUN
iogr-1334	38	25	and	and	CCONJ
iogr-1334	38	26	topaz	topaz	NOUN
iogr-1334	38	27	sands	sand	NOUN
iogr-1334	38	28	as	as	ADP
iogr-1334	38	29	proppants	proppant	NOUN
iogr-1334	38	30	for	for	ADP
iogr-1334	38	31	hydraulic	hydraulic	ADJ
iogr-1334	38	32	fracturing	fracturing	NOUN
iogr-1334	38	33	operations	operation	NOUN
iogr-1334	38	34	.	.	PUNCT
iogr-1334	39	1	materials	material	NOUN
iogr-1334	39	2	and	and	CCONJ
iogr-1334	39	3	methods	method	NOUN
iogr-1334	39	4	this	this	DET
iogr-1334	39	5	study	study	NOUN
iogr-1334	39	6	utilized	utilize	VERB
iogr-1334	39	7	quartz	quartz	NOUN
iogr-1334	39	8	sand	sand	NOUN
iogr-1334	39	9	,	,	PUNCT
iogr-1334	39	10	topaz	topaz	NOUN
iogr-1334	39	11	sand	sand	NOUN
iogr-1334	39	12	,	,	PUNCT
iogr-1334	39	13	resin	resin	NOUN
iogr-1334	39	14	-	-	PUNCT
iogr-1334	39	15	hardener	hardener	NOUN
iogr-1334	39	16	,	,	PUNCT
iogr-1334	39	17	and	and	CCONJ
iogr-1334	39	18	various	various	ADJ
iogr-1334	39	19	laboratory	laboratory	NOUN
iogr-1334	39	20	instruments	instrument	NOUN
iogr-1334	39	21	,	,	PUNCT
iogr-1334	39	22	including	include	VERB
iogr-1334	39	23	a	a	DET
iogr-1334	39	24	highprecision	highprecision	NOUN
iogr-1334	39	25	analytical	analytical	ADJ
iogr-1334	39	26	balance	balance	NOUN
iogr-1334	39	27	,	,	PUNCT
iogr-1334	39	28	a	a	DET
iogr-1334	39	29	hydraulic	hydraulic	ADJ
iogr-1334	39	30	universal	universal	ADJ
iogr-1334	39	31	testing	testing	NOUN
iogr-1334	39	32	machine	machine	NOUN
iogr-1334	39	33	,	,	PUNCT
iogr-1334	39	34	and	and	CCONJ
iogr-1334	39	35	an	an	DET
iogr-1334	39	36	edxrf	edxrf	NOUN
iogr-1334	39	37	system	system	NOUN
iogr-1334	39	38	for	for	ADP
iogr-1334	39	39	elemental	elemental	ADJ
iogr-1334	39	40	analysis	analysis	NOUN
iogr-1334	39	41	.	.	PUNCT
iogr-1334	40	1	hydrochloric	hydrochloric	ADJ
iogr-1334	40	2	acid	acid	PROPN
iogr-1334	40	3	and	and	CCONJ
iogr-1334	40	4	ammonium	ammonium	NOUN
iogr-1334	40	5	bifluoride	bifluoride	NOUN
iogr-1334	40	6	were	be	AUX
iogr-1334	40	7	used	use	VERB
iogr-1334	40	8	as	as	ADP
iogr-1334	40	9	reagents	reagent	NOUN
iogr-1334	40	10	in	in	ADP
iogr-1334	40	11	sample	sample	NOUN
iogr-1334	40	12	preparation	preparation	NOUN
iogr-1334	40	13	.	.	PUNCT
iogr-1334	41	1	measurements	measurement	NOUN
iogr-1334	41	2	focused	focus	VERB
iogr-1334	41	3	on	on	ADP
iogr-1334	41	4	assessing	assess	VERB
iogr-1334	41	5	sand	sand	NOUN
iogr-1334	41	6	properties	property	NOUN
iogr-1334	41	7	such	such	ADJ
iogr-1334	41	8	as	as	ADP
iogr-1334	41	9	density	density	NOUN
iogr-1334	41	10	,	,	PUNCT
iogr-1334	41	11	particle	particle	NOUN
iogr-1334	41	12	size	size	NOUN
iogr-1334	41	13	,	,	PUNCT
iogr-1334	41	14	and	and	CCONJ
iogr-1334	41	15	composition	composition	NOUN
iogr-1334	41	16	,	,	PUNCT
iogr-1334	41	17	carried	carry	VERB
iogr-1334	41	18	out	out	ADP
iogr-1334	41	19	under	under	ADP
iogr-1334	41	20	controlled	control	VERB
iogr-1334	41	21	laboratory	laboratory	NOUN
iogr-1334	41	22	conditions	condition	NOUN
iogr-1334	41	23	.	.	PUNCT
iogr-1334	42	1	collection	collection	NOUN
iogr-1334	42	2	of	of	ADP
iogr-1334	42	3	materials	material	NOUN
iogr-1334	42	4	.	.	PUNCT
iogr-1334	43	1	the	the	DET
iogr-1334	43	2	topaz	topaz	NOUN
iogr-1334	43	3	and	and	CCONJ
iogr-1334	43	4	quartz	quartz	NOUN
iogr-1334	43	5	sands	sand	NOUN
iogr-1334	43	6	are	be	AUX
iogr-1334	43	7	sand	sand	NOUN
iogr-1334	43	8	deposit	deposit	NOUN
iogr-1334	43	9	in	in	ADP
iogr-1334	43	10	the	the	DET
iogr-1334	43	11	agwatashi	agwatashi	PROPN
iogr-1334	43	12	river	river	NOUN
iogr-1334	43	13	situated	situate	VERB
iogr-1334	43	14	in	in	ADP
iogr-1334	43	15	the	the	DET
iogr-1334	43	16	obi	obi	PROPN
iogr-1334	43	17	local	local	ADJ
iogr-1334	43	18	government	government	NOUN
iogr-1334	43	19	area	area	NOUN
iogr-1334	43	20	of	of	ADP
iogr-1334	43	21	nasarawa	nasarawa	PROPN
iogr-1334	43	22	state	state	NOUN
iogr-1334	43	23	in	in	ADP
iogr-1334	43	24	nigeria	nigeria	PROPN
iogr-1334	43	25	at	at	ADP
iogr-1334	43	26	latitude	latitude	NOUN
iogr-1334	43	27	8o22	8o22	NUM
iogr-1334	43	28	”	"	PUNCT
iogr-1334	43	29	n	n	PROPN
iogr-1334	43	30	and	and	CCONJ
iogr-1334	43	31	longitude	longitude	ADJ
iogr-1334	43	32	8o46	8o46	NOUN
iogr-1334	43	33	”	"	PUNCT
iogr-1334	43	34	e	e	NOUN
iogr-1334	43	35	with	with	ADP
iogr-1334	43	36	a	a	DET
iogr-1334	43	37	climate	climate	NOUN
iogr-1334	43	38	type	type	NOUN
iogr-1334	43	39	of	of	ADP
iogr-1334	43	40	wet	wet	ADJ
iogr-1334	43	41	tropical	tropical	ADJ
iogr-1334	43	42	savanna	savanna	NOUN
iogr-1334	43	43	.	.	PUNCT
iogr-1334	44	1	a	a	DET
iogr-1334	44	2	field	field	NOUN
iogr-1334	44	3	trip	trip	NOUN
iogr-1334	44	4	of	of	ADP
iogr-1334	44	5	the	the	DET
iogr-1334	44	6	agwatashi	agwatashi	PROPN
iogr-1334	44	7	river	river	PROPN
iogr-1334	44	8	was	be	AUX
iogr-1334	44	9	carried	carry	VERB
iogr-1334	44	10	out	out	ADP
iogr-1334	44	11	and	and	CCONJ
iogr-1334	44	12	the	the	DET
iogr-1334	44	13	obtained	obtain	VERB
iogr-1334	44	14	sands	sand	NOUN
iogr-1334	44	15	were	be	AUX
iogr-1334	44	16	characterized	characterize	VERB
iogr-1334	44	17	in	in	ADP
iogr-1334	44	18	the	the	DET
iogr-1334	44	19	laboratory	laboratory	NOUN
iogr-1334	44	20	to	to	PART
iogr-1334	44	21	evaluate	evaluate	VERB
iogr-1334	44	22	the	the	DET
iogr-1334	44	23	potential	potential	ADJ
iogr-1334	44	24	use	use	NOUN
iogr-1334	44	25	as	as	ADP
iogr-1334	44	26	proppant	proppant	NOUN
iogr-1334	44	27	in	in	ADP
iogr-1334	44	28	hydraulic	hydraulic	ADJ
iogr-1334	44	29	fracturing	fracturing	NOUN
iogr-1334	44	30	operations	operation	NOUN
iogr-1334	44	31	.	.	PUNCT
iogr-1334	45	1	figure	figure	NOUN
iogr-1334	45	2	1	1	NUM
iogr-1334	45	3	is	be	AUX
iogr-1334	45	4	a	a	DET
iogr-1334	45	5	sample	sample	NOUN
iogr-1334	45	6	of	of	ADP
iogr-1334	45	7	quartz	quartz	NOUN
iogr-1334	45	8	and	and	CCONJ
iogr-1334	45	9	topaz	topaz	NOUN
iogr-1334	45	10	sands	sand	NOUN
iogr-1334	45	11	.	.	PUNCT
iogr-1334	46	1	figure	figure	NOUN
iogr-1334	46	2	1	1	NUM
iogr-1334	46	3	—	—	PUNCT
iogr-1334	46	4	sample	sample	NOUN
iogr-1334	46	5	of	of	ADP
iogr-1334	46	6	the	the	DET
iogr-1334	46	7	sands	sand	NOUN
iogr-1334	46	8	.	.	PUNCT
iogr-1334	47	1	improved	improve	VERB
iogr-1334	47	2	oil	oil	NOUN
iogr-1334	47	3	and	and	CCONJ
iogr-1334	47	4	gas	gas	NOUN
iogr-1334	47	5	recovery	recovery	NOUN
iogr-1334	47	6	3	3	NUM
iogr-1334	47	7	sample	sample	NOUN
iogr-1334	47	8	preparation	preparation	NOUN
iogr-1334	47	9	.	.	PUNCT
iogr-1334	48	1	the	the	DET
iogr-1334	48	2	sand	sand	NOUN
iogr-1334	48	3	(	(	PUNCT
iogr-1334	48	4	quartz	quartz	NOUN
iogr-1334	48	5	and	and	CCONJ
iogr-1334	48	6	topaz	topaz	NOUN
iogr-1334	48	7	)	)	PUNCT
iogr-1334	48	8	was	be	AUX
iogr-1334	48	9	collected	collect	VERB
iogr-1334	48	10	and	and	CCONJ
iogr-1334	48	11	classified	classify	VERB
iogr-1334	48	12	for	for	ADP
iogr-1334	48	13	laboratory	laboratory	NOUN
iogr-1334	48	14	testing	testing	NOUN
iogr-1334	48	15	and	and	CCONJ
iogr-1334	48	16	characterization	characterization	NOUN
iogr-1334	48	17	.	.	PUNCT
iogr-1334	49	1	the	the	DET
iogr-1334	49	2	samples	sample	NOUN
iogr-1334	49	3	were	be	AUX
iogr-1334	49	4	washed	wash	VERB
iogr-1334	49	5	,	,	PUNCT
iogr-1334	49	6	dried	dry	VERB
iogr-1334	49	7	,	,	PUNCT
iogr-1334	49	8	and	and	CCONJ
iogr-1334	49	9	weighed	weigh	VERB
iogr-1334	49	10	.	.	PUNCT
iogr-1334	50	1	the	the	DET
iogr-1334	50	2	sand	sand	NOUN
iogr-1334	50	3	sample	sample	NOUN
iogr-1334	50	4	was	be	AUX
iogr-1334	50	5	weighed	weigh	VERB
iogr-1334	50	6	prior	prior	ADV
iogr-1334	50	7	to	to	ADP
iogr-1334	50	8	washing	washing	NOUN
iogr-1334	50	9	to	to	PART
iogr-1334	50	10	remove	remove	VERB
iogr-1334	50	11	impurities	impurity	NOUN
iogr-1334	50	12	and	and	CCONJ
iogr-1334	50	13	contaminants	contaminant	NOUN
iogr-1334	50	14	.	.	PUNCT
iogr-1334	51	1	it	it	PRON
iogr-1334	51	2	was	be	AUX
iogr-1334	51	3	re	re	VERB
iogr-1334	51	4	-	-	VERB
iogr-1334	51	5	weighed	weigh	VERB
iogr-1334	51	6	to	to	PART
iogr-1334	51	7	determine	determine	VERB
iogr-1334	51	8	the	the	DET
iogr-1334	51	9	loss	loss	NOUN
iogr-1334	51	10	of	of	ADP
iogr-1334	51	11	contaminants	contaminant	NOUN
iogr-1334	51	12	in	in	ADP
iogr-1334	51	13	percent	percent	NOUN
iogr-1334	51	14	and	and	CCONJ
iogr-1334	51	15	ensure	ensure	VERB
iogr-1334	51	16	it	it	PRON
iogr-1334	51	17	was	be	AUX
iogr-1334	51	18	bacterial	bacterial	ADJ
iogr-1334	51	19	free	free	ADJ
iogr-1334	51	20	for	for	ADP
iogr-1334	51	21	characterization	characterization	NOUN
iogr-1334	51	22	.	.	PUNCT
iogr-1334	52	1	characterization	characterization	NOUN
iogr-1334	52	2	of	of	ADP
iogr-1334	52	3	the	the	DET
iogr-1334	52	4	sands	sand	NOUN
iogr-1334	52	5	.	.	PUNCT
iogr-1334	53	1	the	the	DET
iogr-1334	53	2	locally	locally	ADV
iogr-1334	53	3	sourced	source	VERB
iogr-1334	53	4	sands	sand	NOUN
iogr-1334	53	5	were	be	AUX
iogr-1334	53	6	characterized	characterize	VERB
iogr-1334	53	7	to	to	PART
iogr-1334	53	8	determine	determine	VERB
iogr-1334	53	9	their	their	PRON
iogr-1334	53	10	suitability	suitability	NOUN
iogr-1334	53	11	as	as	ADP
iogr-1334	53	12	a	a	DET
iogr-1334	53	13	proppant	proppant	NOUN
iogr-1334	53	14	.	.	PUNCT
iogr-1334	54	1	this	this	PRON
iogr-1334	54	2	followed	follow	VERB
iogr-1334	54	3	the	the	DET
iogr-1334	54	4	standard	standard	ADJ
iogr-1334	54	5	protocols	protocol	NOUN
iogr-1334	54	6	known	know	VERB
iogr-1334	54	7	as	as	ADP
iogr-1334	54	8	api	api	NOUN
iogr-1334	54	9	std	std	NOUN
iogr-1334	54	10	19c	19c	NUM
iogr-1334	54	11	(	(	PUNCT
iogr-1334	54	12	2018	2018	NUM
iogr-1334	54	13	)	)	PUNCT
iogr-1334	54	14	.	.	PUNCT
iogr-1334	55	1	recommended	recommend	VERB
iogr-1334	55	2	practice	practice	NOUN
iogr-1334	55	3	(	(	PUNCT
iogr-1334	55	4	api	api	NOUN
iogr-1334	55	5	rp	rp	NOUN
iogr-1334	55	6	56	56	NUM
iogr-1334	55	7	)	)	PUNCT
iogr-1334	55	8	and	and	CCONJ
iogr-1334	55	9	standard	standard	ADJ
iogr-1334	55	10	organisation	organisation	NOUN
iogr-1334	55	11	for	for	ADP
iogr-1334	55	12	standardization	standardization	NOUN
iogr-1334	55	13	(	(	PUNCT
iogr-1334	55	14	iso	iso	NOUN
iogr-1334	55	15	13503	13503	NUM
iogr-1334	55	16	-	-	SYM
iogr-1334	55	17	2	2	NUM
iogr-1334	55	18	)	)	PUNCT
iogr-1334	55	19	recommendation	recommendation	NOUN
iogr-1334	55	20	.	.	PUNCT
iogr-1334	56	1	x	x	X
iogr-1334	56	2	-	-	PUNCT
iogr-1334	56	3	ray	ray	NOUN
iogr-1334	56	4	fluorescence	fluorescence	NOUN
iogr-1334	56	5	(	(	PUNCT
iogr-1334	56	6	xrf	xrf	PROPN
iogr-1334	56	7	)	)	PUNCT
iogr-1334	56	8	.	.	PUNCT
iogr-1334	57	1	x	x	X
iogr-1334	57	2	-	-	PUNCT
iogr-1334	57	3	ray	ray	NOUN
iogr-1334	57	4	fluorescence	fluorescence	NOUN
iogr-1334	57	5	(	(	PUNCT
iogr-1334	57	6	xrf	xrf	PROPN
iogr-1334	57	7	)	)	PUNCT
iogr-1334	57	8	was	be	AUX
iogr-1334	57	9	used	use	VERB
iogr-1334	57	10	to	to	PART
iogr-1334	57	11	investigate	investigate	VERB
iogr-1334	57	12	the	the	DET
iogr-1334	57	13	elemental	elemental	ADJ
iogr-1334	57	14	composition	composition	NOUN
iogr-1334	57	15	of	of	ADP
iogr-1334	57	16	the	the	DET
iogr-1334	57	17	samples	sample	NOUN
iogr-1334	57	18	.	.	PUNCT
iogr-1334	58	1	x	x	X
iogr-1334	58	2	-	-	PUNCT
iogr-1334	58	3	ray	ray	NOUN
iogr-1334	58	4	fluorescence	fluorescence	NOUN
iogr-1334	58	5	was	be	AUX
iogr-1334	58	6	conducted	conduct	VERB
iogr-1334	58	7	on	on	ADP
iogr-1334	58	8	the	the	DET
iogr-1334	58	9	sands	sand	NOUN
iogr-1334	58	10	(	(	PUNCT
iogr-1334	58	11	quartz	quartz	NOUN
iogr-1334	58	12	and	and	CCONJ
iogr-1334	58	13	topaz	topaz	NOUN
iogr-1334	58	14	)	)	PUNCT
iogr-1334	58	15	under	under	ADP
iogr-1334	58	16	helium	helium	NOUN
iogr-1334	58	17	(	(	PUNCT
iogr-1334	58	18	he	he	PRON
iogr-1334	58	19	)	)	PUNCT
iogr-1334	58	20	atmosphere	atmosphere	NOUN
iogr-1334	58	21	using	use	VERB
iogr-1334	58	22	palladium	palladium	NOUN
iogr-1334	58	23	(	(	PUNCT
iogr-1334	58	24	pd	pd	NOUN
iogr-1334	58	25	)	)	PUNCT
iogr-1334	58	26	x	x	NOUN
iogr-1334	58	27	-	-	NOUN
iogr-1334	58	28	ray	ray	NOUN
iogr-1334	58	29	tube	tube	NOUN
iogr-1334	58	30	at	at	ADP
iogr-1334	58	31	a	a	DET
iogr-1334	58	32	voltage	voltage	NOUN
iogr-1334	58	33	of	of	ADP
iogr-1334	58	34	60	60	NUM
iogr-1334	58	35	kv	kv	NOUN
iogr-1334	58	36	and	and	CCONJ
iogr-1334	58	37	current	current	ADJ
iogr-1334	58	38	10µa	10µa	NOUN
iogr-1334	58	39	with	with	ADP
iogr-1334	58	40	10	10	NUM
iogr-1334	58	41	mm	mm	PROPN
iogr-1334	58	42	beam	beam	NOUN
iogr-1334	58	43	spot	spot	NOUN
iogr-1334	58	44	size	size	NOUN
iogr-1334	58	45	,	,	PUNCT
iogr-1334	58	46	and	and	CCONJ
iogr-1334	58	47	silicon	silicon	NOUN
iogr-1334	58	48	(	(	PUNCT
iogr-1334	58	49	si	si	NOUN
iogr-1334	58	50	)	)	PUNCT
iogr-1334	58	51	drift	drift	NOUN
iogr-1334	58	52	detector	detector	NOUN
iogr-1334	58	53	comprised	comprise	VERB
iogr-1334	58	54	of	of	ADP
iogr-1334	58	55	peltier	peltier	ADJ
iogr-1334	58	56	electronic	electronic	ADJ
iogr-1334	58	57	circuit	circuit	NOUN
iogr-1334	58	58	cooling	cool	VERB
iogr-1334	58	59	system	system	NOUN
iogr-1334	58	60	.	.	PUNCT
iogr-1334	59	1	elemental	elemental	ADJ
iogr-1334	59	2	detection	detection	NOUN
iogr-1334	59	3	limits	limit	NOUN
iogr-1334	59	4	from	from	ADP
iogr-1334	59	5	low	low	ADJ
iogr-1334	59	6	partsper	partsper	NOUN
iogr-1334	59	7	-	-	PUNCT
iogr-1334	59	8	million	million	NUM
iogr-1334	59	9	(	(	PUNCT
iogr-1334	59	10	ppm	ppm	NOUN
iogr-1334	59	11	)	)	PUNCT
iogr-1334	59	12	to	to	ADP
iogr-1334	59	13	high	high	ADJ
iogr-1334	59	14	weight	weight	NOUN
iogr-1334	59	15	percent	percent	NOUN
iogr-1334	59	16	(	(	PUNCT
iogr-1334	59	17	%	%	INTJ
iogr-1334	59	18	wt	wt	NOUN
iogr-1334	59	19	.	.	PROPN
iogr-1334	59	20	)	)	PUNCT
iogr-1334	59	21	.	.	PUNCT
iogr-1334	60	1	the	the	DET
iogr-1334	60	2	sands	sand	NOUN
iogr-1334	60	3	are	be	AUX
iogr-1334	60	4	put	put	VERB
iogr-1334	60	5	into	into	ADP
iogr-1334	60	6	the	the	DET
iogr-1334	60	7	machine	machine	NOUN
iogr-1334	60	8	,	,	PUNCT
iogr-1334	60	9	and	and	CCONJ
iogr-1334	60	10	then	then	ADV
iogr-1334	60	11	the	the	DET
iogr-1334	60	12	machine	machine	NOUN
iogr-1334	60	13	starts	start	VERB
iogr-1334	60	14	to	to	PART
iogr-1334	60	15	rotate	rotate	VERB
iogr-1334	60	16	.	.	PUNCT
iogr-1334	61	1	as	as	SCONJ
iogr-1334	61	2	it	it	PRON
iogr-1334	61	3	rotated	rotate	VERB
iogr-1334	61	4	,	,	PUNCT
iogr-1334	61	5	the	the	DET
iogr-1334	61	6	elemental	elemental	ADJ
iogr-1334	61	7	structure	structure	NOUN
iogr-1334	61	8	of	of	ADP
iogr-1334	61	9	the	the	DET
iogr-1334	61	10	sands	sand	NOUN
iogr-1334	61	11	was	be	AUX
iogr-1334	61	12	being	be	AUX
iogr-1334	61	13	displaced	displace	VERB
iogr-1334	61	14	on	on	ADP
iogr-1334	61	15	the	the	DET
iogr-1334	61	16	computer	computer	NOUN
iogr-1334	61	17	screen	screen	NOUN
iogr-1334	61	18	.	.	PUNCT
iogr-1334	62	1	sieve	sieve	NOUN
iogr-1334	62	2	test	test	NOUN
iogr-1334	62	3	.	.	PUNCT
iogr-1334	63	1	sieve	sieve	NOUN
iogr-1334	63	2	analysis	analysis	NOUN
iogr-1334	63	3	was	be	AUX
iogr-1334	63	4	conducted	conduct	VERB
iogr-1334	63	5	to	to	PART
iogr-1334	63	6	assess	assess	VERB
iogr-1334	63	7	the	the	DET
iogr-1334	63	8	particle	particle	NOUN
iogr-1334	63	9	size	size	NOUN
iogr-1334	63	10	distribution	distribution	NOUN
iogr-1334	63	11	of	of	ADP
iogr-1334	63	12	granular	granular	ADJ
iogr-1334	63	13	materials	material	NOUN
iogr-1334	63	14	and	and	CCONJ
iogr-1334	63	15	to	to	PART
iogr-1334	63	16	ensure	ensure	VERB
iogr-1334	63	17	a	a	DET
iogr-1334	63	18	consistent	consistent	ADJ
iogr-1334	63	19	methodology	methodology	NOUN
iogr-1334	63	20	for	for	ADP
iogr-1334	63	21	sieve	sieve	NOUN
iogr-1334	63	22	evaluation	evaluation	NOUN
iogr-1334	63	23	.	.	PUNCT
iogr-1334	64	1	sieve	sieve	NOUN
iogr-1334	64	2	analysis	analysis	NOUN
iogr-1334	64	3	was	be	AUX
iogr-1334	64	4	conducted	conduct	VERB
iogr-1334	64	5	by	by	ADP
iogr-1334	64	6	allowing	allow	VERB
iogr-1334	64	7	the	the	DET
iogr-1334	64	8	sand	sand	NOUN
iogr-1334	64	9	to	to	PART
iogr-1334	64	10	pass	pass	VERB
iogr-1334	64	11	through	through	ADP
iogr-1334	64	12	a	a	DET
iogr-1334	64	13	series	series	NOUN
iogr-1334	64	14	of	of	ADP
iogr-1334	64	15	sieves	sieve	NOUN
iogr-1334	64	16	of	of	ADP
iogr-1334	64	17	progressively	progressively	ADV
iogr-1334	64	18	smaller	small	ADJ
iogr-1334	64	19	mesh	mesh	NOUN
iogr-1334	64	20	size	size	NOUN
iogr-1334	64	21	and	and	CCONJ
iogr-1334	64	22	weighing	weigh	VERB
iogr-1334	64	23	the	the	DET
iogr-1334	64	24	amount	amount	NOUN
iogr-1334	64	25	of	of	ADP
iogr-1334	64	26	sand	sand	NOUN
iogr-1334	64	27	that	that	PRON
iogr-1334	64	28	is	be	AUX
iogr-1334	64	29	stopped	stop	VERB
iogr-1334	64	30	by	by	ADP
iogr-1334	64	31	each	each	DET
iogr-1334	64	32	sieve	sieve	NOUN
iogr-1334	64	33	as	as	ADP
iogr-1334	64	34	a	a	DET
iogr-1334	64	35	fraction	fraction	NOUN
iogr-1334	64	36	of	of	ADP
iogr-1334	64	37	the	the	DET
iogr-1334	64	38	whole	whole	ADJ
iogr-1334	64	39	mass	mass	NOUN
iogr-1334	64	40	(	(	PUNCT
iogr-1334	64	41	martins	martin	NOUN
iogr-1334	64	42	et	et	NOUN
iogr-1334	64	43	al	al	PROPN
iogr-1334	64	44	.	.	PROPN
iogr-1334	64	45	2021	2021	NUM
iogr-1334	64	46	)	)	PUNCT
iogr-1334	64	47	.	.	PUNCT
iogr-1334	65	1	the	the	DET
iogr-1334	65	2	equipment	equipment	NOUN
iogr-1334	65	3	and	and	CCONJ
iogr-1334	65	4	materials	material	NOUN
iogr-1334	65	5	used	use	VERB
iogr-1334	65	6	for	for	ADP
iogr-1334	65	7	the	the	DET
iogr-1334	65	8	sieve	sieve	NOUN
iogr-1334	65	9	analysis	analysis	NOUN
iogr-1334	65	10	procedure	procedure	NOUN
iogr-1334	65	11	include	include	VERB
iogr-1334	65	12	the	the	DET
iogr-1334	65	13	following	following	NOUN
iogr-1334	65	14	:	:	PUNCT
iogr-1334	65	15	sieve	sieve	NOUN
iogr-1334	65	16	sets	set	NOUN
iogr-1334	65	17	,	,	PUNCT
iogr-1334	65	18	stsj-4a	stsj-4a	X
iogr-1334	65	19	high	high	ADJ
iogr-1334	65	20	frequency	frequency	NOUN
iogr-1334	65	21	sieve	sieve	NOUN
iogr-1334	65	22	shaker	shaker	NOUN
iogr-1334	65	23	,	,	PUNCT
iogr-1334	65	24	weighing	weigh	VERB
iogr-1334	65	25	balance	balance	NOUN
iogr-1334	65	26	and	and	CCONJ
iogr-1334	65	27	brushes	brush	NOUN
iogr-1334	65	28	.	.	PUNCT
iogr-1334	66	1	sieve	sieve	NOUN
iogr-1334	66	2	test	test	NOUN
iogr-1334	66	3	of	of	ADP
iogr-1334	66	4	mesh	mesh	NOUN
iogr-1334	66	5	size	size	NOUN
iogr-1334	66	6	20/40	20/40	NUM
iogr-1334	66	7	was	be	AUX
iogr-1334	66	8	prepared	prepare	VERB
iogr-1334	66	9	.	.	PUNCT
iogr-1334	67	1	the	the	DET
iogr-1334	67	2	essence	essence	NOUN
iogr-1334	67	3	of	of	ADP
iogr-1334	67	4	the	the	DET
iogr-1334	67	5	20/40	20/40	NUM
iogr-1334	67	6	mesh	mesh	NOUN
iogr-1334	67	7	sand	sand	NOUN
iogr-1334	67	8	is	be	AUX
iogr-1334	67	9	to	to	PART
iogr-1334	67	10	obtain	obtain	VERB
iogr-1334	67	11	sand	sand	NOUN
iogr-1334	67	12	particles	particle	NOUN
iogr-1334	67	13	that	that	PRON
iogr-1334	67	14	fall	fall	VERB
iogr-1334	67	15	within	within	ADP
iogr-1334	67	16	the	the	DET
iogr-1334	67	17	diameter	diameter	NOUN
iogr-1334	67	18	size	size	NOUN
iogr-1334	67	19	range	range	NOUN
iogr-1334	67	20	of	of	ADP
iogr-1334	67	21	(	(	PUNCT
iogr-1334	67	22	850	850	NUM
iogr-1334	67	23	µm-425	µm-425	NOUN
iogr-1334	67	24	µm	µm	NOUN
iogr-1334	67	25	)	)	PUNCT
iogr-1334	67	26	.	.	PUNCT
iogr-1334	68	1	this	this	PRON
iogr-1334	68	2	was	be	AUX
iogr-1334	68	3	achieved	achieve	VERB
iogr-1334	68	4	using	use	VERB
iogr-1334	68	5	sieve	sieve	NOUN
iogr-1334	68	6	stack	stack	NOUN
iogr-1334	68	7	in	in	ADP
iogr-1334	68	8	order	order	NOUN
iogr-1334	68	9	of	of	ADP
iogr-1334	68	10	decreasing	decrease	VERB
iogr-1334	68	11	sieve	sieve	NOUN
iogr-1334	68	12	openings	opening	NOUN
iogr-1334	68	13	of	of	ADP
iogr-1334	68	14	16	16	NUM
iogr-1334	68	15	(	(	PUNCT
iogr-1334	68	16	1.180	1.180	NUM
iogr-1334	68	17	mm	mm	NOUN
iogr-1334	68	18	)	)	PUNCT
iogr-1334	68	19	,	,	PUNCT
iogr-1334	68	20	20	20	NUM
iogr-1334	68	21	(	(	PUNCT
iogr-1334	68	22	0.850	0.850	NUM
iogr-1334	68	23	mm	mm	NOUN
iogr-1334	68	24	)	)	PUNCT
iogr-1334	68	25	,	,	PUNCT
iogr-1334	68	26	25	25	NUM
iogr-1334	68	27	(	(	PUNCT
iogr-1334	68	28	0.710	0.710	NUM
iogr-1334	68	29	mm	mm	NOUN
iogr-1334	68	30	)	)	PUNCT
iogr-1334	68	31	,	,	PUNCT
iogr-1334	68	32	30	30	NUM
iogr-1334	68	33	(	(	PUNCT
iogr-1334	68	34	0.600	0.600	NUM
iogr-1334	68	35	mm	mm	NOUN
iogr-1334	68	36	)	)	PUNCT
iogr-1334	68	37	,	,	PUNCT
iogr-1334	68	38	35	35	NUM
iogr-1334	68	39	(	(	PUNCT
iogr-1334	68	40	0.500	0.500	NUM
iogr-1334	68	41	mm	mm	NOUN
iogr-1334	68	42	)	)	PUNCT
iogr-1334	68	43	,	,	PUNCT
iogr-1334	68	44	40	40	NUM
iogr-1334	68	45	(	(	PUNCT
iogr-1334	68	46	0.425	0.425	NUM
iogr-1334	68	47	mm	mm	NOUN
iogr-1334	68	48	)	)	PUNCT
iogr-1334	68	49	,	,	PUNCT
iogr-1334	68	50	and	and	CCONJ
iogr-1334	68	51	50	50	NUM
iogr-1334	68	52	(	(	PUNCT
iogr-1334	68	53	0.300	0.300	NUM
iogr-1334	68	54	mm	mm	NOUN
iogr-1334	68	55	)	)	PUNCT
iogr-1334	68	56	.	.	PUNCT
iogr-1334	69	1	the	the	DET
iogr-1334	69	2	sieve	sieve	NOUN
iogr-1334	69	3	test	test	NOUN
iogr-1334	69	4	was	be	AUX
iogr-1334	69	5	conducted	conduct	VERB
iogr-1334	69	6	to	to	PART
iogr-1334	69	7	get	get	VERB
iogr-1334	69	8	sand	sand	NOUN
iogr-1334	69	9	within	within	ADP
iogr-1334	69	10	the	the	DET
iogr-1334	69	11	range	range	NOUN
iogr-1334	69	12	of	of	ADP
iogr-1334	69	13	850	850	NUM
iogr-1334	69	14	µm-425	µm-425	ADJ
iogr-1334	69	15	µm	µm	ADP
iogr-1334	69	16	(	(	PUNCT
iogr-1334	69	17	20/40	20/40	NUM
iogr-1334	69	18	mesh	mesh	NOUN
iogr-1334	69	19	)	)	PUNCT
iogr-1334	69	20	size	size	NOUN
iogr-1334	69	21	.	.	PUNCT
iogr-1334	70	1	sphericity	sphericity	NOUN
iogr-1334	70	2	and	and	CCONJ
iogr-1334	70	3	roundness	roundness	NOUN
iogr-1334	70	4	.	.	PUNCT
iogr-1334	71	1	sphericity	sphericity	NOUN
iogr-1334	71	2	and	and	CCONJ
iogr-1334	71	3	roundness	roundness	NOUN
iogr-1334	71	4	test	test	NOUN
iogr-1334	71	5	were	be	AUX
iogr-1334	71	6	conducted	conduct	VERB
iogr-1334	71	7	to	to	PART
iogr-1334	71	8	evaluate	evaluate	VERB
iogr-1334	71	9	the	the	DET
iogr-1334	71	10	degree	degree	NOUN
iogr-1334	71	11	at	at	ADP
iogr-1334	71	12	which	which	PRON
iogr-1334	71	13	the	the	DET
iogr-1334	71	14	sands	sand	NOUN
iogr-1334	71	15	approximate	approximate	VERB
iogr-1334	71	16	the	the	DET
iogr-1334	71	17	shape	shape	NOUN
iogr-1334	71	18	of	of	ADP
iogr-1334	71	19	a	a	DET
iogr-1334	71	20	perfect	perfect	ADJ
iogr-1334	71	21	sphere	sphere	NOUN
iogr-1334	71	22	.	.	PUNCT
iogr-1334	72	1	however	however	ADV
iogr-1334	72	2	,	,	PUNCT
iogr-1334	72	3	the	the	DET
iogr-1334	72	4	roundness	roundness	NOUN
iogr-1334	72	5	procedure	procedure	NOUN
iogr-1334	72	6	was	be	AUX
iogr-1334	72	7	done	do	VERB
iogr-1334	72	8	to	to	PART
iogr-1334	72	9	measure	measure	VERB
iogr-1334	72	10	the	the	DET
iogr-1334	72	11	sharpness	sharpness	NOUN
iogr-1334	72	12	of	of	ADP
iogr-1334	72	13	the	the	DET
iogr-1334	72	14	sand	sand	NOUN
iogr-1334	72	15	’s	’s	PART
iogr-1334	72	16	edges	edge	NOUN
iogr-1334	72	17	and	and	CCONJ
iogr-1334	72	18	corners	corner	NOUN
iogr-1334	72	19	.	.	PUNCT
iogr-1334	73	1	sphericity	sphericity	NOUN
iogr-1334	73	2	and	and	CCONJ
iogr-1334	73	3	roundness	roundness	NOUN
iogr-1334	73	4	tests	test	NOUN
iogr-1334	73	5	are	be	AUX
iogr-1334	73	6	conducted	conduct	VERB
iogr-1334	73	7	to	to	PART
iogr-1334	73	8	evaluate	evaluate	VERB
iogr-1334	73	9	the	the	DET
iogr-1334	73	10	proppant	proppant	ADJ
iogr-1334	73	11	shapes	shape	NOUN
iogr-1334	73	12	.	.	PUNCT
iogr-1334	74	1	the	the	DET
iogr-1334	74	2	most	most	ADV
iogr-1334	74	3	common	common	ADJ
iogr-1334	74	4	used	use	VERB
iogr-1334	74	5	method	method	NOUN
iogr-1334	74	6	of	of	ADP
iogr-1334	74	7	determining	determine	VERB
iogr-1334	74	8	roundness	roundness	NOUN
iogr-1334	74	9	and	and	CCONJ
iogr-1334	74	10	sphericity	sphericity	NOUN
iogr-1334	74	11	is	be	AUX
iogr-1334	74	12	the	the	DET
iogr-1334	74	13	use	use	NOUN
iogr-1334	74	14	of	of	ADP
iogr-1334	74	15	the	the	DET
iogr-1334	74	16	krumbein	krumbein	ADJ
iogr-1334	74	17	/	/	SYM
iogr-1334	74	18	sloss	sloss	ADJ
iogr-1334	74	19	chart	chart	NOUN
iogr-1334	74	20	as	as	SCONJ
iogr-1334	74	21	shown	show	VERB
iogr-1334	74	22	in	in	ADP
iogr-1334	74	23	figure	figure	NOUN
iogr-1334	74	24	2	2	NUM
iogr-1334	74	25	.	.	PUNCT
iogr-1334	75	1	in	in	ADP
iogr-1334	75	2	this	this	DET
iogr-1334	75	3	study	study	NOUN
iogr-1334	75	4	,	,	PUNCT
iogr-1334	75	5	twenty	twenty	NUM
iogr-1334	75	6	(	(	PUNCT
iogr-1334	75	7	20	20	NUM
iogr-1334	75	8	)	)	PUNCT
iogr-1334	75	9	individual	individual	ADJ
iogr-1334	75	10	particles	particle	NOUN
iogr-1334	75	11	were	be	AUX
iogr-1334	75	12	randomly	randomly	ADV
iogr-1334	75	13	selected	select	VERB
iogr-1334	75	14	for	for	ADP
iogr-1334	75	15	evaluation	evaluation	NOUN
iogr-1334	75	16	of	of	ADP
iogr-1334	75	17	particle	particle	NOUN
iogr-1334	75	18	sphericity	sphericity	NOUN
iogr-1334	75	19	and	and	CCONJ
iogr-1334	75	20	roundness	roundness	NOUN
iogr-1334	75	21	.	.	PUNCT
iogr-1334	76	1	the	the	DET
iogr-1334	76	2	sphericity	sphericity	NOUN
iogr-1334	76	3	of	of	ADP
iogr-1334	76	4	each	each	DET
iogr-1334	76	5	selected	select	VERB
iogr-1334	76	6	particle	particle	NOUN
iogr-1334	76	7	was	be	AUX
iogr-1334	76	8	determined	determine	VERB
iogr-1334	76	9	by	by	ADP
iogr-1334	76	10	comparison	comparison	NOUN
iogr-1334	76	11	to	to	ADP
iogr-1334	76	12	the	the	DET
iogr-1334	76	13	krumbein	krumbein	ADJ
iogr-1334	76	14	/	/	SYM
iogr-1334	76	15	sloss	sloss	ADJ
iogr-1334	76	16	chart	chart	NOUN
iogr-1334	76	17	.	.	PUNCT
iogr-1334	77	1	the	the	DET
iogr-1334	77	2	corresponding	corresponding	ADJ
iogr-1334	77	3	number	number	NOUN
iogr-1334	77	4	of	of	ADP
iogr-1334	77	5	sphericities	sphericity	NOUN
iogr-1334	77	6	for	for	ADP
iogr-1334	77	7	each	each	DET
iogr-1334	77	8	particle	particle	NOUN
iogr-1334	77	9	selected	select	VERB
iogr-1334	77	10	was	be	AUX
iogr-1334	77	11	observed	observe	VERB
iogr-1334	77	12	.	.	PUNCT
iogr-1334	78	1	the	the	DET
iogr-1334	78	2	arithmetic	arithmetic	ADJ
iogr-1334	78	3	average	average	NOUN
iogr-1334	78	4	of	of	ADP
iogr-1334	78	5	the	the	DET
iogr-1334	78	6	recorded	record	VERB
iogr-1334	78	7	sphericity	sphericity	NOUN
iogr-1334	78	8	numbers	number	NOUN
iogr-1334	78	9	was	be	AUX
iogr-1334	78	10	calculated	calculate	VERB
iogr-1334	78	11	and	and	CCONJ
iogr-1334	78	12	reported	report	VERB
iogr-1334	78	13	as	as	ADP
iogr-1334	78	14	average	average	ADJ
iogr-1334	78	15	particle	particle	NOUN
iogr-1334	78	16	sphericity	sphericity	NOUN
iogr-1334	78	17	to	to	ADP
iogr-1334	78	18	the	the	DET
iogr-1334	78	19	nearest	near	ADJ
iogr-1334	78	20	0.1	0.1	NUM
iogr-1334	78	21	unit	unit	NOUN
iogr-1334	78	22	.	.	PUNCT
iogr-1334	79	1	the	the	DET
iogr-1334	79	2	roundness	roundness	NOUN
iogr-1334	79	3	value	value	NOUN
iogr-1334	79	4	for	for	ADP
iogr-1334	79	5	each	each	PRON
iogr-1334	79	6	of	of	ADP
iogr-1334	79	7	the	the	DET
iogr-1334	79	8	selected	select	VERB
iogr-1334	79	9	particles	particle	NOUN
iogr-1334	79	10	was	be	AUX
iogr-1334	79	11	determined	determine	VERB
iogr-1334	79	12	using	use	VERB
iogr-1334	79	13	the	the	DET
iogr-1334	79	14	same	same	ADJ
iogr-1334	79	15	procedure	procedure	NOUN
iogr-1334	79	16	as	as	ADP
iogr-1334	79	17	for	for	ADP
iogr-1334	79	18	the	the	DET
iogr-1334	79	19	sphericity	sphericity	NOUN
iogr-1334	79	20	measurement	measurement	NOUN
iogr-1334	79	21	.	.	PUNCT
iogr-1334	80	1	in	in	ADP
iogr-1334	80	2	addition	addition	NOUN
iogr-1334	80	3	,	,	PUNCT
iogr-1334	80	4	the	the	DET
iogr-1334	80	5	arithmetic	arithmetic	ADJ
iogr-1334	80	6	average	average	NOUN
iogr-1334	80	7	of	of	ADP
iogr-1334	80	8	the	the	DET
iogr-1334	80	9	recorded	record	VERB
iogr-1334	80	10	roundness	roundness	NOUN
iogr-1334	80	11	numbers	number	NOUN
iogr-1334	80	12	was	be	AUX
iogr-1334	80	13	evaluated	evaluate	VERB
iogr-1334	80	14	and	and	CCONJ
iogr-1334	80	15	recorded	record	VERB
iogr-1334	80	16	as	as	ADP
iogr-1334	80	17	the	the	DET
iogr-1334	80	18	average	average	ADJ
iogr-1334	80	19	particle	particle	NOUN
iogr-1334	80	20	roundness	roundness	NOUN
iogr-1334	80	21	of	of	ADP
iogr-1334	80	22	sand	sand	NOUN
iogr-1334	80	23	to	to	ADP
iogr-1334	80	24	the	the	DET
iogr-1334	80	25	nearest	near	ADJ
iogr-1334	80	26	0.1	0.1	NUM
iogr-1334	80	27	unit	unit	NOUN
iogr-1334	80	28	.	.	PUNCT
iogr-1334	81	1	improved	improve	VERB
iogr-1334	81	2	oil	oil	NOUN
iogr-1334	81	3	and	and	CCONJ
iogr-1334	81	4	gas	gas	NOUN
iogr-1334	81	5	recovery	recovery	NOUN
iogr-1334	81	6	4	4	NUM
iogr-1334	81	7	figure	figure	NOUN
iogr-1334	81	8	2	2	NUM
iogr-1334	81	9	—	—	PUNCT
iogr-1334	81	10	chart	chart	NOUN
iogr-1334	81	11	for	for	ADP
iogr-1334	81	12	estimation	estimation	NOUN
iogr-1334	81	13	of	of	ADP
iogr-1334	81	14	sphericity	sphericity	NOUN
iogr-1334	81	15	and	and	CCONJ
iogr-1334	81	16	roundness	roundness	NOUN
iogr-1334	81	17	(	(	PUNCT
iogr-1334	81	18	api	api	NOUN
iogr-1334	81	19	>	>	X
iogr-1334	81	20	0.6	0.6	NUM
iogr-1334	81	21	)	)	PUNCT
iogr-1334	81	22	.	.	PUNCT
iogr-1334	82	1	acid	acid	PROPN
iogr-1334	82	2	solubility	solubility	PROPN
iogr-1334	82	3	.	.	PUNCT
iogr-1334	83	1	the	the	DET
iogr-1334	83	2	acid	acid	PROPN
iogr-1334	83	3	solubility	solubility	NOUN
iogr-1334	83	4	test	test	NOUN
iogr-1334	83	5	was	be	AUX
iogr-1334	83	6	conducted	conduct	VERB
iogr-1334	83	7	to	to	PART
iogr-1334	83	8	examine	examine	VERB
iogr-1334	83	9	the	the	DET
iogr-1334	83	10	suitability	suitability	NOUN
iogr-1334	83	11	of	of	ADP
iogr-1334	83	12	a	a	DET
iogr-1334	83	13	proppant	proppant	NOUN
iogr-1334	83	14	for	for	ADP
iogr-1334	83	15	use	use	NOUN
iogr-1334	83	16	in	in	ADP
iogr-1334	83	17	applications	application	NOUN
iogr-1334	83	18	where	where	SCONJ
iogr-1334	83	19	the	the	DET
iogr-1334	83	20	proppant	proppant	NOUN
iogr-1334	83	21	can	can	AUX
iogr-1334	83	22	encounter	encounter	VERB
iogr-1334	83	23	acids	acid	NOUN
iogr-1334	83	24	.	.	PUNCT
iogr-1334	84	1	the	the	DET
iogr-1334	84	2	preferred	preferred	ADJ
iogr-1334	84	3	method	method	NOUN
iogr-1334	84	4	of	of	ADP
iogr-1334	84	5	testing	test	VERB
iogr-1334	84	6	acid	acid	NOUN
iogr-1334	84	7	solubility	solubility	NOUN
iogr-1334	84	8	was	be	AUX
iogr-1334	84	9	the	the	DET
iogr-1334	84	10	use	use	NOUN
iogr-1334	84	11	of	of	ADP
iogr-1334	84	12	a	a	DET
iogr-1334	84	13	solution	solution	NOUN
iogr-1334	84	14	of	of	ADP
iogr-1334	84	15	12:3	12:3	NUM
iogr-1334	84	16	hci	hci	NOUN
iogr-1334	84	17	:	:	PUNCT
iogr-1334	84	18	hf	hf	PART
iogr-1334	84	19	acid	acid	NOUN
iogr-1334	84	20	(	(	PUNCT
iogr-1334	84	21	12	12	NUM
iogr-1334	84	22	%	%	NOUN
iogr-1334	84	23	by	by	ADP
iogr-1334	84	24	mass	mass	NOUN
iogr-1334	84	25	of	of	ADP
iogr-1334	84	26	hci	hci	NOUN
iogr-1334	84	27	and	and	CCONJ
iogr-1334	84	28	3	3	NUM
iogr-1334	84	29	%	%	NOUN
iogr-1334	84	30	by	by	ADP
iogr-1334	84	31	mass	mass	NOUN
iogr-1334	84	32	of	of	ADP
iogr-1334	84	33	hf	hf	NOUN
iogr-1334	84	34	)	)	PUNCT
iogr-1334	84	35	(	(	PUNCT
iogr-1334	84	36	api	api	NOUN
iogr-1334	84	37	std	std	NOUN
iogr-1334	84	38	19c	19c	NUM
iogr-1334	84	39	)	)	PUNCT
iogr-1334	84	40	.	.	PUNCT
iogr-1334	85	1	the	the	DET
iogr-1334	85	2	solubility	solubility	NOUN
iogr-1334	85	3	of	of	ADP
iogr-1334	85	4	a	a	DET
iogr-1334	85	5	proppant	proppant	NOUN
iogr-1334	85	6	in	in	ADP
iogr-1334	85	7	12:3	12:3	NUM
iogr-1334	85	8	hci	hci	NOUN
iogr-1334	85	9	:	:	PUNCT
iogr-1334	85	10	hf	hf	PROPN
iogr-1334	85	11	showed	show	VERB
iogr-1334	85	12	that	that	SCONJ
iogr-1334	85	13	the	the	DET
iogr-1334	85	14	number	number	NOUN
iogr-1334	85	15	of	of	ADP
iogr-1334	85	16	soluble	soluble	ADJ
iogr-1334	85	17	materials	material	NOUN
iogr-1334	85	18	(	(	PUNCT
iogr-1334	85	19	carbonates	carbonate	NOUN
iogr-1334	85	20	,	,	PUNCT
iogr-1334	85	21	feldspars	feldspar	NOUN
iogr-1334	85	22	,	,	PUNCT
iogr-1334	85	23	iron	iron	NOUN
iogr-1334	85	24	oxides	oxide	NOUN
iogr-1334	85	25	,	,	PUNCT
iogr-1334	85	26	clays	clay	NOUN
iogr-1334	85	27	)	)	PUNCT
iogr-1334	85	28	present	present	NOUN
iogr-1334	85	29	in	in	ADP
iogr-1334	85	30	the	the	DET
iogr-1334	85	31	proppant	proppant	NOUN
iogr-1334	85	32	.	.	PUNCT
iogr-1334	86	1	the	the	DET
iogr-1334	86	2	method	method	NOUN
iogr-1334	86	3	of	of	ADP
iogr-1334	86	4	preparation	preparation	NOUN
iogr-1334	86	5	of	of	ADP
iogr-1334	86	6	a	a	DET
iogr-1334	86	7	solution	solution	NOUN
iogr-1334	86	8	of	of	ADP
iogr-1334	86	9	12:3	12:3	NUM
iogr-1334	86	10	hci	hci	NOUN
iogr-1334	86	11	:	:	PUNCT
iogr-1334	86	12	hf	hf	PART
iogr-1334	86	13	acid	acid	PROPN
iogr-1334	86	14	involved	involve	VERB
iogr-1334	86	15	the	the	DET
iogr-1334	86	16	addition	addition	NOUN
iogr-1334	86	17	47.2	47.2	NUM
iogr-1334	86	18	g	g	NOUN
iogr-1334	86	19	of	of	ADP
iogr-1334	86	20	pure	pure	ADJ
iogr-1334	86	21	nh4f2	nh4f2	NOUN
iogr-1334	86	22	to	to	ADP
iogr-1334	86	23	500	500	NUM
iogr-1334	86	24	ml	ml	NOUN
iogr-1334	86	25	of	of	ADP
iogr-1334	86	26	distilled	distil	VERB
iogr-1334	86	27	water	water	NOUN
iogr-1334	86	28	in	in	ADP
iogr-1334	86	29	a	a	DET
iogr-1334	86	30	1000	1000	NUM
iogr-1334	86	31	ml	ml	NOUN
iogr-1334	86	32	graduated	graduate	VERB
iogr-1334	86	33	cylinder	cylinder	NOUN
iogr-1334	86	34	.	.	PUNCT
iogr-1334	87	1	361	361	NUM
iogr-1334	87	2	ml	ml	NOUN
iogr-1334	87	3	of	of	ADP
iogr-1334	87	4	a	a	DET
iogr-1334	87	5	37	37	NUM
iogr-1334	87	6	%	%	NOUN
iogr-1334	87	7	hcl	hcl	PROPN
iogr-1334	87	8	was	be	AUX
iogr-1334	87	9	added	add	VERB
iogr-1334	87	10	to	to	ADP
iogr-1334	87	11	the	the	DET
iogr-1334	87	12	mixture	mixture	NOUN
iogr-1334	87	13	in	in	ADP
iogr-1334	87	14	the	the	DET
iogr-1334	87	15	cylinder	cylinder	NOUN
iogr-1334	87	16	and	and	CCONJ
iogr-1334	87	17	diluted	dilute	VERB
iogr-1334	87	18	to	to	ADP
iogr-1334	87	19	1000	1000	NUM
iogr-1334	87	20	ml	ml	NOUN
iogr-1334	87	21	with	with	ADP
iogr-1334	87	22	distilled	distil	VERB
iogr-1334	87	23	water	water	NOUN
iogr-1334	87	24	.	.	PUNCT
iogr-1334	88	1	the	the	DET
iogr-1334	88	2	mixture	mixture	NOUN
iogr-1334	88	3	was	be	AUX
iogr-1334	88	4	stirred	stir	VERB
iogr-1334	88	5	to	to	PART
iogr-1334	88	6	ensure	ensure	VERB
iogr-1334	88	7	complete	complete	ADJ
iogr-1334	88	8	mixing	mixing	NOUN
iogr-1334	88	9	.	.	PUNCT
iogr-1334	89	1	the	the	DET
iogr-1334	89	2	resulting	result	VERB
iogr-1334	89	3	mixture	mixture	NOUN
iogr-1334	89	4	is	be	AUX
iogr-1334	89	5	the	the	DET
iogr-1334	89	6	prepared	prepared	ADJ
iogr-1334	89	7	12:3	12:3	NUM
iogr-1334	89	8	hcl	hcl	PROPN
iogr-1334	89	9	:	:	PUNCT
iogr-1334	89	10	hf	hf	PART
iogr-1334	89	11	acid	acid	PROPN
iogr-1334	89	12	that	that	PRON
iogr-1334	89	13	was	be	AUX
iogr-1334	89	14	used	use	VERB
iogr-1334	89	15	for	for	ADP
iogr-1334	89	16	the	the	DET
iogr-1334	89	17	test	test	NOUN
iogr-1334	89	18	.	.	PUNCT
iogr-1334	90	1	the	the	DET
iogr-1334	90	2	percentage	percentage	NOUN
iogr-1334	90	3	of	of	ADP
iogr-1334	90	4	mass	mass	NOUN
iogr-1334	90	5	dissolved	dissolve	VERB
iogr-1334	90	6	in	in	ADP
iogr-1334	90	7	the	the	DET
iogr-1334	90	8	acid	acid	NOUN
iogr-1334	90	9	is	be	AUX
iogr-1334	90	10	calculated	calculate	VERB
iogr-1334	90	11	by	by	ADP
iogr-1334	90	12	eq	eq	PROPN
iogr-1334	90	13	.	.	PUNCT
iogr-1334	91	1	(	(	PUNCT
iogr-1334	91	2	1	1	NUM
iogr-1334	91	3	)	)	PUNCT
iogr-1334	91	4	,	,	PUNCT
iogr-1334	91	5	𝑆	𝑆	PROPN
iogr-1334	91	6	=	=	PUNCT
iogr-1334	91	7	𝑚𝑆	𝑚𝑆	NOUN
iogr-1334	91	8	+	+	CCONJ
iogr-1334	91	9	𝑚𝑓+𝑚𝑠𝑓	𝑚𝑓+𝑚𝑠𝑓	PRON
iogr-1334	91	10	𝑚𝑠	𝑚𝑠	ADP
iogr-1334	91	11	𝑥	𝑥	PROPN
iogr-1334	91	12	100	100	NUM
iogr-1334	91	13	...................................................................................................................................	...................................................................................................................................	NUM
iogr-1334	91	14	(1	(1	PROPN
iogr-1334	91	15	)	)	PUNCT
iogr-1334	91	16	where	where	SCONJ
iogr-1334	91	17	,	,	PUNCT
iogr-1334	91	18	𝑆	𝑆	PROPN
iogr-1334	91	19	represents	represent	VERB
iogr-1334	91	20	the	the	DET
iogr-1334	91	21	acid	acid	NOUN
iogr-1334	91	22	solubility	solubility	NOUN
iogr-1334	91	23	(	(	PUNCT
iogr-1334	91	24	in	in	ADP
iogr-1334	91	25	%	%	NOUN
iogr-1334	91	26	)	)	PUNCT
iogr-1334	91	27	,	,	PUNCT
iogr-1334	91	28	ms	ms	PROPN
iogr-1334	91	29	denotes	denote	VERB
iogr-1334	91	30	the	the	DET
iogr-1334	91	31	mass	mass	NOUN
iogr-1334	91	32	of	of	ADP
iogr-1334	91	33	the	the	DET
iogr-1334	91	34	sand	sand	NOUN
iogr-1334	91	35	sample	sample	NOUN
iogr-1334	91	36	(	(	PUNCT
iogr-1334	91	37	in	in	ADP
iogr-1334	91	38	grams	gram	NOUN
iogr-1334	91	39	)	)	PUNCT
iogr-1334	91	40	,	,	PUNCT
iogr-1334	91	41	mf	mf	X
iogr-1334	91	42	refers	refer	VERB
iogr-1334	91	43	to	to	ADP
iogr-1334	91	44	the	the	DET
iogr-1334	91	45	mass	mass	NOUN
iogr-1334	91	46	of	of	ADP
iogr-1334	91	47	the	the	DET
iogr-1334	91	48	filter	filter	NOUN
iogr-1334	91	49	paper	paper	NOUN
iogr-1334	91	50	(	(	PUNCT
iogr-1334	91	51	in	in	ADP
iogr-1334	91	52	grams	gram	NOUN
iogr-1334	91	53	)	)	PUNCT
iogr-1334	91	54	,	,	PUNCT
iogr-1334	91	55	and	and	CCONJ
iogr-1334	91	56	mfs	mfs	NOUN
iogr-1334	91	57	is	be	AUX
iogr-1334	91	58	the	the	DET
iogr-1334	91	59	mass	mass	NOUN
iogr-1334	91	60	of	of	ADP
iogr-1334	91	61	the	the	DET
iogr-1334	91	62	dried	dry	VERB
iogr-1334	91	63	filter	filter	NOUN
iogr-1334	91	64	paper	paper	NOUN
iogr-1334	91	65	along	along	ADP
iogr-1334	91	66	with	with	ADP
iogr-1334	91	67	the	the	DET
iogr-1334	91	68	sand	sand	NOUN
iogr-1334	91	69	sample	sample	NOUN
iogr-1334	91	70	(	(	PUNCT
iogr-1334	91	71	in	in	ADP
iogr-1334	91	72	grams	gram	NOUN
iogr-1334	91	73	)	)	PUNCT
iogr-1334	91	74	.	.	PUNCT
iogr-1334	92	1	turbidity	turbidity	NOUN
iogr-1334	92	2	.	.	PUNCT
iogr-1334	93	1	turbidity	turbidity	NOUN
iogr-1334	93	2	test	test	NOUN
iogr-1334	93	3	was	be	AUX
iogr-1334	93	4	conducted	conduct	VERB
iogr-1334	93	5	to	to	PART
iogr-1334	93	6	evaluate	evaluate	VERB
iogr-1334	93	7	the	the	DET
iogr-1334	93	8	number	number	NOUN
iogr-1334	93	9	of	of	ADP
iogr-1334	93	10	suspended	suspend	VERB
iogr-1334	93	11	particles	particle	NOUN
iogr-1334	93	12	or	or	CCONJ
iogr-1334	93	13	other	other	ADJ
iogr-1334	93	14	finely	finely	ADV
iogr-1334	93	15	divided	divide	VERB
iogr-1334	93	16	matter	matter	NOUN
iogr-1334	93	17	present	present	ADJ
iogr-1334	93	18	in	in	ADP
iogr-1334	93	19	the	the	DET
iogr-1334	93	20	sand	sand	NOUN
iogr-1334	93	21	.	.	PUNCT
iogr-1334	94	1	turbidity	turbidity	NOUN
iogr-1334	94	2	tests	test	NOUN
iogr-1334	94	3	measure	measure	VERB
iogr-1334	94	4	an	an	DET
iogr-1334	94	5	optical	optical	ADJ
iogr-1334	94	6	property	property	NOUN
iogr-1334	94	7	of	of	ADP
iogr-1334	94	8	a	a	DET
iogr-1334	94	9	suspension	suspension	NOUN
iogr-1334	94	10	that	that	PRON
iogr-1334	94	11	results	result	VERB
iogr-1334	94	12	from	from	ADP
iogr-1334	94	13	the	the	DET
iogr-1334	94	14	scattering	scattering	NOUN
iogr-1334	94	15	and	and	CCONJ
iogr-1334	94	16	absorption	absorption	NOUN
iogr-1334	94	17	of	of	ADP
iogr-1334	94	18	light	light	NOUN
iogr-1334	94	19	by	by	ADP
iogr-1334	94	20	the	the	DET
iogr-1334	94	21	particulate	particulate	NOUN
iogr-1334	94	22	matter	matter	NOUN
iogr-1334	94	23	suspended	suspend	VERB
iogr-1334	94	24	in	in	ADP
iogr-1334	94	25	the	the	DET
iogr-1334	94	26	wetting	wet	VERB
iogr-1334	94	27	fluid	fluid	NOUN
iogr-1334	94	28	(	(	PUNCT
iogr-1334	94	29	ismaeel	ismaeel	NOUN
iogr-1334	94	30	and	and	CCONJ
iogr-1334	94	31	tayeb	tayeb	PROPN
iogr-1334	94	32	2024	2024	NUM
iogr-1334	94	33	)	)	PUNCT
iogr-1334	94	34	.	.	PUNCT
iogr-1334	95	1	turbidity	turbidity	NOUN
iogr-1334	95	2	meters	meter	NOUN
iogr-1334	95	3	of	of	ADP
iogr-1334	95	4	the	the	DET
iogr-1334	95	5	incident	incident	NOUN
iogr-1334	95	6	light	light	NOUN
iogr-1334	95	7	beam	beam	NOUN
iogr-1334	95	8	were	be	AUX
iogr-1334	95	9	normal	normal	ADJ
iogr-1334	95	10	to	to	ADP
iogr-1334	95	11	the	the	DET
iogr-1334	95	12	detection	detection	NOUN
iogr-1334	95	13	path	path	NOUN
iogr-1334	95	14	of	of	ADP
iogr-1334	95	15	the	the	DET
iogr-1334	95	16	detector	detector	NOUN
iogr-1334	95	17	;	;	PUNCT
iogr-1334	95	18	this	this	PRON
iogr-1334	95	19	is	be	AUX
iogr-1334	95	20	the	the	DET
iogr-1334	95	21	preferred	preferred	ADJ
iogr-1334	95	22	method	method	NOUN
iogr-1334	95	23	of	of	ADP
iogr-1334	95	24	measurement	measurement	NOUN
iogr-1334	95	25	and	and	CCONJ
iogr-1334	95	26	expressed	express	VERB
iogr-1334	95	27	in	in	ADP
iogr-1334	95	28	nephelometric	nephelometric	ADJ
iogr-1334	95	29	turbidity	turbidity	NOUN
iogr-1334	95	30	unit	unit	NOUN
iogr-1334	95	31	(	(	PUNCT
iogr-1334	95	32	ntu	ntu	PROPN
iogr-1334	95	33	)	)	PUNCT
iogr-1334	95	34	.	.	PUNCT
iogr-1334	96	1	the	the	DET
iogr-1334	96	2	turbidity	turbidity	NOUN
iogr-1334	96	3	test	test	NOUN
iogr-1334	96	4	was	be	AUX
iogr-1334	96	5	conducted	conduct	VERB
iogr-1334	96	6	by	by	ADP
iogr-1334	96	7	addition	addition	NOUN
iogr-1334	96	8	of	of	ADP
iogr-1334	96	9	100	100	NUM
iogr-1334	96	10	ml	ml	NOUN
iogr-1334	96	11	of	of	ADP
iogr-1334	96	12	demineralized	demineralized	ADJ
iogr-1334	96	13	water	water	NOUN
iogr-1334	96	14	to	to	ADP
iogr-1334	96	15	70	70	NUM
iogr-1334	96	16	g	g	NOUN
iogr-1334	96	17	of	of	ADP
iogr-1334	96	18	the	the	DET
iogr-1334	96	19	sample	sample	NOUN
iogr-1334	96	20	in	in	ADP
iogr-1334	96	21	a	a	DET
iogr-1334	96	22	250	250	NUM
iogr-1334	96	23	ml	ml	NOUN
iogr-1334	96	24	flask	flask	NOUN
iogr-1334	96	25	.	.	PUNCT
iogr-1334	97	1	quartz	quartz	NOUN
iogr-1334	97	2	and	and	CCONJ
iogr-1334	97	3	topaz	topaz	NOUN
iogr-1334	97	4	sand	sand	NOUN
iogr-1334	97	5	were	be	AUX
iogr-1334	97	6	allowed	allow	VERB
iogr-1334	97	7	to	to	PART
iogr-1334	97	8	stand	stand	VERB
iogr-1334	97	9	in	in	ADP
iogr-1334	97	10	the	the	DET
iogr-1334	97	11	water	water	NOUN
iogr-1334	97	12	for	for	ADP
iogr-1334	97	13	15	15	NUM
iogr-1334	97	14	minutes	minute	NOUN
iogr-1334	97	15	and	and	CCONJ
iogr-1334	97	16	the	the	DET
iogr-1334	97	17	flask	flask	NOUN
iogr-1334	97	18	was	be	AUX
iogr-1334	97	19	put	put	VERB
iogr-1334	97	20	into	into	ADP
iogr-1334	97	21	a	a	DET
iogr-1334	97	22	shaker	shaker	NOUN
iogr-1334	97	23	bottle	bottle	NOUN
iogr-1334	97	24	.	.	PUNCT
iogr-1334	98	1	the	the	DET
iogr-1334	98	2	degree	degree	NOUN
iogr-1334	98	3	of	of	ADP
iogr-1334	98	4	frequency	frequency	NOUN
iogr-1334	98	5	of	of	ADP
iogr-1334	98	6	the	the	DET
iogr-1334	98	7	shaker	shaker	NOUN
iogr-1334	98	8	bottle	bottle	NOUN
iogr-1334	98	9	was	be	AUX
iogr-1334	98	10	set	set	VERB
iogr-1334	98	11	to	to	ADP
iogr-1334	98	12	7	7	NUM
iogr-1334	98	13	rpm	rpm	NOUN
iogr-1334	98	14	based	base	VERB
iogr-1334	98	15	on	on	ADP
iogr-1334	98	16	recommended	recommended	ADJ
iogr-1334	98	17	literature	literature	NOUN
iogr-1334	98	18	,	,	PUNCT
iogr-1334	98	19	and	and	CCONJ
iogr-1334	98	20	the	the	DET
iogr-1334	98	21	bottle	bottle	NOUN
iogr-1334	98	22	was	be	AUX
iogr-1334	98	23	allowed	allow	VERB
iogr-1334	98	24	to	to	PART
iogr-1334	98	25	agitate	agitate	VERB
iogr-1334	98	26	for	for	ADP
iogr-1334	98	27	20	20	NUM
iogr-1334	98	28	seconds	second	NOUN
iogr-1334	98	29	.	.	PUNCT
iogr-1334	99	1	the	the	DET
iogr-1334	99	2	flask	flask	NOUN
iogr-1334	99	3	was	be	AUX
iogr-1334	99	4	later	later	ADV
iogr-1334	99	5	removed	remove	VERB
iogr-1334	99	6	from	from	ADP
iogr-1334	99	7	the	the	DET
iogr-1334	99	8	shaker	shaker	NOUN
iogr-1334	99	9	bottle	bottle	NOUN
iogr-1334	99	10	and	and	CCONJ
iogr-1334	99	11	stood	stand	VERB
iogr-1334	99	12	for	for	ADP
iogr-1334	99	13	5	5	NUM
iogr-1334	99	14	to	to	PART
iogr-1334	99	15	10	10	NUM
iogr-1334	99	16	minutes	minute	NOUN
iogr-1334	99	17	.	.	PUNCT
iogr-1334	100	1	30	30	NUM
iogr-1334	100	2	ml	ml	NOUN
iogr-1334	100	3	of	of	ADP
iogr-1334	100	4	the	the	DET
iogr-1334	100	5	water	water	NOUN
iogr-1334	100	6	and	and	CCONJ
iogr-1334	100	7	silt	silt	NOUN
iogr-1334	100	8	suspension	suspension	NOUN
iogr-1334	100	9	was	be	AUX
iogr-1334	100	10	removed	remove	VERB
iogr-1334	100	11	from	from	ADP
iogr-1334	100	12	the	the	DET
iogr-1334	100	13	water	water	NOUN
iogr-1334	100	14	volume	volume	NOUN
iogr-1334	100	15	with	with	ADP
iogr-1334	100	16	the	the	DET
iogr-1334	100	17	use	use	NOUN
iogr-1334	100	18	of	of	ADP
iogr-1334	100	19	a	a	DET
iogr-1334	100	20	syringe	syringe	NOUN
iogr-1334	100	21	.	.	PUNCT
iogr-1334	101	1	the	the	DET
iogr-1334	101	2	suspendedparticle	suspendedparticle	NOUN
iogr-1334	101	3	sample	sample	NOUN
iogr-1334	101	4	placed	place	VERB
iogr-1334	101	5	in	in	ADP
iogr-1334	101	6	the	the	DET
iogr-1334	101	7	test	test	NOUN
iogr-1334	101	8	and	and	CCONJ
iogr-1334	101	9	palintest	palint	ADJ
iogr-1334	101	10	calibrated	calibrate	VERB
iogr-1334	101	11	turbidimeter	turbidimeter	NOUN
iogr-1334	101	12	was	be	AUX
iogr-1334	101	13	recorded	record	VERB
iogr-1334	101	14	.	.	PUNCT
iogr-1334	102	1	bulk	bulk	ADJ
iogr-1334	102	2	density	density	NOUN
iogr-1334	102	3	.	.	PUNCT
iogr-1334	103	1	bulk	bulk	ADJ
iogr-1334	103	2	density	density	NOUN
iogr-1334	103	3	test	test	NOUN
iogr-1334	103	4	was	be	AUX
iogr-1334	103	5	conducted	conduct	VERB
iogr-1334	103	6	to	to	PART
iogr-1334	103	7	evaluate	evaluate	VERB
iogr-1334	103	8	the	the	DET
iogr-1334	103	9	bulk	bulk	ADJ
iogr-1334	103	10	density	density	NOUN
iogr-1334	103	11	of	of	ADP
iogr-1334	103	12	the	the	DET
iogr-1334	103	13	proposed	propose	VERB
iogr-1334	103	14	sands	sand	NOUN
iogr-1334	103	15	as	as	ADP
iogr-1334	103	16	proppants	proppant	NOUN
iogr-1334	103	17	.	.	PUNCT
iogr-1334	104	1	the	the	DET
iogr-1334	104	2	bulk	bulk	ADJ
iogr-1334	104	3	density	density	NOUN
iogr-1334	104	4	indicates	indicate	VERB
iogr-1334	104	5	the	the	DET
iogr-1334	104	6	mass	mass	NOUN
iogr-1334	104	7	of	of	ADP
iogr-1334	104	8	the	the	DET
iogr-1334	104	9	proppants	proppant	NOUN
iogr-1334	104	10	that	that	PRON
iogr-1334	104	11	fills	fill	VERB
iogr-1334	104	12	a	a	DET
iogr-1334	104	13	unit	unit	NOUN
iogr-1334	104	14	volume	volume	NOUN
iogr-1334	104	15	.	.	PUNCT
iogr-1334	105	1	it	it	PRON
iogr-1334	105	2	can	can	AUX
iogr-1334	105	3	be	be	AUX
iogr-1334	105	4	used	use	VERB
iogr-1334	105	5	to	to	PART
iogr-1334	105	6	evaluate	evaluate	VERB
iogr-1334	105	7	the	the	DET
iogr-1334	105	8	mass	mass	NOUN
iogr-1334	105	9	of	of	ADP
iogr-1334	105	10	the	the	DET
iogr-1334	105	11	proppant	proppant	NOUN
iogr-1334	105	12	needed	need	VERB
iogr-1334	105	13	to	to	PART
iogr-1334	105	14	fill	fill	VERB
iogr-1334	105	15	a	a	DET
iogr-1334	105	16	fracture	fracture	NOUN
iogr-1334	105	17	.	.	PUNCT
iogr-1334	106	1	the	the	DET
iogr-1334	106	2	equipment	equipment	NOUN
iogr-1334	106	3	that	that	PRON
iogr-1334	106	4	was	be	AUX
iogr-1334	106	5	used	use	VERB
iogr-1334	106	6	to	to	PART
iogr-1334	106	7	determine	determine	VERB
iogr-1334	106	8	the	the	DET
iogr-1334	106	9	bulk	bulk	ADJ
iogr-1334	106	10	density	density	NOUN
iogr-1334	106	11	was	be	AUX
iogr-1334	106	12	a	a	DET
iogr-1334	106	13	improved	improved	ADJ
iogr-1334	106	14	oil	oil	NOUN
iogr-1334	106	15	and	and	CCONJ
iogr-1334	106	16	gas	gas	NOUN
iogr-1334	106	17	recovery	recovery	NOUN
iogr-1334	106	18	5	5	NUM
iogr-1334	106	19	calibrated	calibrate	VERB
iogr-1334	106	20	cylinder	cylinder	NOUN
iogr-1334	106	21	and	and	CCONJ
iogr-1334	106	22	a	a	DET
iogr-1334	106	23	weighing	weigh	VERB
iogr-1334	106	24	balance	balance	NOUN
iogr-1334	106	25	.	.	PUNCT
iogr-1334	107	1	the	the	DET
iogr-1334	107	2	procedure	procedure	NOUN
iogr-1334	107	3	for	for	ADP
iogr-1334	107	4	the	the	DET
iogr-1334	107	5	bulk	bulk	ADJ
iogr-1334	107	6	density	density	NOUN
iogr-1334	107	7	was	be	AUX
iogr-1334	107	8	determined	determine	VERB
iogr-1334	107	9	,	,	PUNCT
iogr-1334	107	10	and	and	CCONJ
iogr-1334	107	11	the	the	DET
iogr-1334	107	12	volume	volume	NOUN
iogr-1334	107	13	of	of	ADP
iogr-1334	107	14	the	the	DET
iogr-1334	107	15	cylinder	cylinder	NOUN
iogr-1334	107	16	was	be	AUX
iogr-1334	107	17	done	do	VERB
iogr-1334	107	18	by	by	ADP
iogr-1334	107	19	weighing	weigh	VERB
iogr-1334	107	20	the	the	DET
iogr-1334	107	21	dry	dry	ADJ
iogr-1334	107	22	,	,	PUNCT
iogr-1334	107	23	empty	empty	ADJ
iogr-1334	107	24	cylinder	cylinder	NOUN
iogr-1334	107	25	with	with	ADP
iogr-1334	107	26	a	a	DET
iogr-1334	107	27	flat	flat	ADJ
iogr-1334	107	28	glass	glass	NOUN
iogr-1334	107	29	and	and	CCONJ
iogr-1334	107	30	the	the	DET
iogr-1334	107	31	mass	mass	PROPN
iogr-1334	107	32	.	.	PUNCT
iogr-1334	108	1	the	the	DET
iogr-1334	108	2	cylinder	cylinder	NOUN
iogr-1334	108	3	was	be	AUX
iogr-1334	108	4	filled	fill	VERB
iogr-1334	108	5	with	with	ADP
iogr-1334	108	6	water	water	NOUN
iogr-1334	108	7	and	and	CCONJ
iogr-1334	108	8	a	a	DET
iogr-1334	108	9	plate	plate	NOUN
iogr-1334	108	10	moved	move	VERB
iogr-1334	108	11	into	into	ADP
iogr-1334	108	12	contact	contact	NOUN
iogr-1334	108	13	with	with	ADP
iogr-1334	108	14	the	the	DET
iogr-1334	108	15	upper	upper	ADJ
iogr-1334	108	16	edge	edge	NOUN
iogr-1334	108	17	of	of	ADP
iogr-1334	108	18	the	the	DET
iogr-1334	108	19	cylinder	cylinder	NOUN
iogr-1334	108	20	,	,	PUNCT
iogr-1334	108	21	cutting	cut	VERB
iogr-1334	108	22	off	off	ADP
iogr-1334	108	23	the	the	DET
iogr-1334	108	24	edge	edge	NOUN
iogr-1334	108	25	of	of	ADP
iogr-1334	108	26	water	water	NOUN
iogr-1334	108	27	in	in	ADP
iogr-1334	108	28	the	the	DET
iogr-1334	108	29	plane	plane	NOUN
iogr-1334	108	30	.	.	PUNCT
iogr-1334	109	1	the	the	DET
iogr-1334	109	2	glass	glass	NOUN
iogr-1334	109	3	plate	plate	NOUN
iogr-1334	109	4	was	be	AUX
iogr-1334	109	5	held	hold	VERB
iogr-1334	109	6	firmly	firmly	ADV
iogr-1334	109	7	,	,	PUNCT
iogr-1334	109	8	the	the	DET
iogr-1334	109	9	excess	excess	ADJ
iogr-1334	109	10	water	water	NOUN
iogr-1334	109	11	was	be	AUX
iogr-1334	109	12	removed	remove	VERB
iogr-1334	109	13	,	,	PUNCT
iogr-1334	109	14	and	and	CCONJ
iogr-1334	109	15	the	the	DET
iogr-1334	109	16	gross	gross	ADJ
iogr-1334	109	17	mass	mass	NOUN
iogr-1334	109	18	was	be	AUX
iogr-1334	109	19	obtained	obtain	VERB
iogr-1334	109	20	.	.	PUNCT
iogr-1334	110	1	the	the	DET
iogr-1334	110	2	bulk	bulk	ADJ
iogr-1334	110	3	density	density	NOUN
iogr-1334	110	4	was	be	AUX
iogr-1334	110	5	calculated	calculate	VERB
iogr-1334	110	6	and	and	CCONJ
iogr-1334	110	7	expressed	express	VERB
iogr-1334	110	8	in	in	ADP
iogr-1334	110	9	grams	gram	NOUN
iogr-1334	110	10	per	per	ADP
iogr-1334	110	11	cubic	cubic	ADJ
iogr-1334	110	12	centimeter	centimeter	NOUN
iogr-1334	110	13	,	,	PUNCT
iogr-1334	110	14	shown	show	VERB
iogr-1334	110	15	in	in	ADP
iogr-1334	110	16	eq	eq	ADP
iogr-1334	110	17	.	.	PUNCT
iogr-1334	111	1	(	(	PUNCT
iogr-1334	111	2	2	2	NUM
iogr-1334	111	3	)	)	PUNCT
iogr-1334	111	4	,	,	PUNCT
iogr-1334	111	5	𝜌𝑏𝑢𝑙𝑘	𝜌𝑏𝑢𝑙𝑘	VERB
iogr-1334	111	6	=	=	SYM
iogr-1334	111	7	𝑚𝑝	𝑚𝑝	NOUN
iogr-1334	111	8	𝑣𝑐𝑦𝑙	𝑣𝑐𝑦𝑙	NOUN
iogr-1334	111	9	..................................................................................................................................................	..................................................................................................................................................	PUNCT
iogr-1334	111	10	(	(	PUNCT
iogr-1334	111	11	2	2	X
iogr-1334	111	12	)	)	PUNCT
iogr-1334	111	13	where,𝑚𝑝	where,𝑚𝑝	NOUN
iogr-1334	111	14	is	be	AUX
iogr-1334	111	15	the	the	DET
iogr-1334	111	16	net	net	ADJ
iogr-1334	111	17	mass	mass	NOUN
iogr-1334	111	18	,	,	PUNCT
iogr-1334	111	19	expressed	express	VERB
iogr-1334	111	20	in	in	ADP
iogr-1334	111	21	grams	gram	NOUN
iogr-1334	111	22	,	,	PUNCT
iogr-1334	111	23	of	of	ADP
iogr-1334	111	24	the	the	DET
iogr-1334	111	25	sand	sand	NOUN
iogr-1334	111	26	,	,	PUNCT
iogr-1334	111	27	equal	equal	ADJ
iogr-1334	111	28	to	to	ADP
iogr-1334	111	29	𝑚𝑓+𝑝	𝑚𝑓+𝑝	PROPN
iogr-1334	111	30	−	−	PROPN
iogr-1334	111	31	𝑚𝑓	𝑚𝑓	NOUN
iogr-1334	111	32	;	;	PUNCT
iogr-1334	111	33	𝑣𝑐𝑦𝑙	𝑣𝑐𝑦𝑙	NOUN
iogr-1334	111	34	,	,	PUNCT
iogr-1334	111	35	is	be	AUX
iogr-1334	111	36	the	the	DET
iogr-1334	111	37	volume	volume	NOUN
iogr-1334	111	38	of	of	ADP
iogr-1334	111	39	the	the	DET
iogr-1334	111	40	cylinder	cylinder	NOUN
iogr-1334	111	41	,	,	PUNCT
iogr-1334	111	42	expressed	express	VERB
iogr-1334	111	43	in	in	ADP
iogr-1334	111	44	cubic	cubic	ADJ
iogr-1334	111	45	centimetres	centimetre	NOUN
iogr-1334	111	46	.	.	PUNCT
iogr-1334	112	1	crush	crush	NOUN
iogr-1334	112	2	resistance	resistance	NOUN
iogr-1334	112	3	.	.	PUNCT
iogr-1334	113	1	crush	crush	NOUN
iogr-1334	113	2	resistance	resistance	NOUN
iogr-1334	113	3	tests	test	NOUN
iogr-1334	113	4	were	be	AUX
iogr-1334	113	5	investigated	investigate	VERB
iogr-1334	113	6	on	on	ADP
iogr-1334	113	7	the	the	DET
iogr-1334	113	8	sands	sand	NOUN
iogr-1334	113	9	to	to	PART
iogr-1334	113	10	evaluate	evaluate	VERB
iogr-1334	113	11	the	the	DET
iogr-1334	113	12	amount	amount	NOUN
iogr-1334	113	13	of	of	ADP
iogr-1334	113	14	proppant	proppant	NOUN
iogr-1334	113	15	that	that	PRON
iogr-1334	113	16	was	be	AUX
iogr-1334	113	17	crushed	crush	VERB
iogr-1334	113	18	at	at	ADP
iogr-1334	113	19	a	a	DET
iogr-1334	113	20	given	give	VERB
iogr-1334	113	21	stress	stress	NOUN
iogr-1334	113	22	.	.	PUNCT
iogr-1334	114	1	tests	test	NOUN
iogr-1334	114	2	are	be	AUX
iogr-1334	114	3	carried	carry	VERB
iogr-1334	114	4	out	out	ADP
iogr-1334	114	5	on	on	ADP
iogr-1334	114	6	the	the	DET
iogr-1334	114	7	sands	sand	NOUN
iogr-1334	114	8	samples	sample	NOUN
iogr-1334	114	9	that	that	PRON
iogr-1334	114	10	have	have	AUX
iogr-1334	114	11	been	be	AUX
iogr-1334	114	12	sieved	sieve	VERB
iogr-1334	114	13	so	so	SCONJ
iogr-1334	114	14	that	that	SCONJ
iogr-1334	114	15	all	all	DET
iogr-1334	114	16	particles	particle	NOUN
iogr-1334	114	17	tested	test	VERB
iogr-1334	114	18	are	be	AUX
iogr-1334	114	19	within	within	ADP
iogr-1334	114	20	the	the	DET
iogr-1334	114	21	specified	specified	ADJ
iogr-1334	114	22	size	size	NOUN
iogr-1334	114	23	range	range	NOUN
iogr-1334	114	24	specified	specify	VERB
iogr-1334	114	25	by	by	ADP
iogr-1334	114	26	the	the	DET
iogr-1334	114	27	api	api	NOUN
iogr-1334	114	28	and	and	CCONJ
iogr-1334	114	29	iso	iso	PROPN
iogr-1334	114	30	recommendation	recommendation	NOUN
iogr-1334	114	31	.	.	PUNCT
iogr-1334	115	1	the	the	DET
iogr-1334	115	2	amount	amount	NOUN
iogr-1334	115	3	of	of	ADP
iogr-1334	115	4	proppant	proppant	NOUN
iogr-1334	115	5	crushed	crush	VERB
iogr-1334	115	6	at	at	ADP
iogr-1334	115	7	each	each	DET
iogr-1334	115	8	stress	stress	NOUN
iogr-1334	115	9	level	level	NOUN
iogr-1334	115	10	was	be	AUX
iogr-1334	115	11	measured	measure	VERB
iogr-1334	115	12	.	.	PUNCT
iogr-1334	116	1	the	the	DET
iogr-1334	116	2	test	test	NOUN
iogr-1334	116	3	results	result	NOUN
iogr-1334	116	4	provide	provide	VERB
iogr-1334	116	5	the	the	DET
iogr-1334	116	6	indications	indication	NOUN
iogr-1334	116	7	that	that	SCONJ
iogr-1334	116	8	the	the	DET
iogr-1334	116	9	stress	stress	NOUN
iogr-1334	116	10	level	level	NOUN
iogr-1334	116	11	where	where	SCONJ
iogr-1334	116	12	the	the	DET
iogr-1334	116	13	proppant	proppant	NOUN
iogr-1334	116	14	crushing	crush	VERB
iogr-1334	116	15	was	be	AUX
iogr-1334	116	16	excess	excess	ADJ
iogr-1334	116	17	and	and	CCONJ
iogr-1334	116	18	the	the	DET
iogr-1334	116	19	maximum	maximum	ADJ
iogr-1334	116	20	stress	stress	NOUN
iogr-1334	116	21	to	to	PART
iogr-1334	116	22	which	which	PRON
iogr-1334	116	23	the	the	DET
iogr-1334	116	24	proppant	proppant	ADJ
iogr-1334	116	25	sample	sample	NOUN
iogr-1334	116	26	should	should	AUX
iogr-1334	116	27	be	be	AUX
iogr-1334	116	28	subjected	subject	VERB
iogr-1334	116	29	.	.	PUNCT
iogr-1334	117	1	a	a	DET
iogr-1334	117	2	2500	2500	NUM
iogr-1334	117	3	kn	kn	PROPN
iogr-1334	117	4	hydraulic	hydraulic	ADJ
iogr-1334	117	5	universal	universal	ADJ
iogr-1334	117	6	testing	testing	NOUN
iogr-1334	117	7	machine	machine	NOUN
iogr-1334	117	8	,	,	PUNCT
iogr-1334	117	9	a	a	DET
iogr-1334	117	10	cell	cell	NOUN
iogr-1334	117	11	for	for	ADP
iogr-1334	117	12	proppant	proppant	NOUN
iogr-1334	117	13	crush	crush	NOUN
iogr-1334	117	14	resistance	resistance	NOUN
iogr-1334	117	15	test	test	NOUN
iogr-1334	117	16	,	,	PUNCT
iogr-1334	117	17	test	test	NOUN
iogr-1334	117	18	sieves	sieve	NOUN
iogr-1334	117	19	,	,	PUNCT
iogr-1334	117	20	pan	pan	NOUN
iogr-1334	117	21	and	and	CCONJ
iogr-1334	117	22	lid	lid	NOUN
iogr-1334	117	23	,	,	PUNCT
iogr-1334	117	24	a	a	DET
iogr-1334	117	25	weighing	weigh	VERB
iogr-1334	117	26	balance	balance	NOUN
iogr-1334	117	27	,	,	PUNCT
iogr-1334	117	28	a	a	DET
iogr-1334	117	29	high	high	ADJ
iogr-1334	117	30	frequency	frequency	NOUN
iogr-1334	117	31	sieve	sieve	NOUN
iogr-1334	117	32	shaker	shaker	NOUN
iogr-1334	117	33	and	and	CCONJ
iogr-1334	117	34	a	a	DET
iogr-1334	117	35	stopwatch	stopwatch	NOUN
iogr-1334	117	36	was	be	AUX
iogr-1334	117	37	used	use	VERB
iogr-1334	117	38	for	for	ADP
iogr-1334	117	39	the	the	DET
iogr-1334	117	40	test	test	NOUN
iogr-1334	117	41	.	.	PUNCT
iogr-1334	118	1	loss	loss	NOUN
iogr-1334	118	2	on	on	ADP
iogr-1334	118	3	ignition	ignition	NOUN
iogr-1334	118	4	(	(	PUNCT
iogr-1334	118	5	loi	loi	NOUN
iogr-1334	118	6	)	)	PUNCT
iogr-1334	118	7	.	.	PUNCT
iogr-1334	119	1	the	the	DET
iogr-1334	119	2	loss	loss	NOUN
iogr-1334	119	3	on	on	ADP
iogr-1334	119	4	ignition	ignition	NOUN
iogr-1334	119	5	(	(	PUNCT
iogr-1334	119	6	loi	loi	NOUN
iogr-1334	119	7	)	)	PUNCT
iogr-1334	119	8	test	test	NOUN
iogr-1334	119	9	was	be	AUX
iogr-1334	119	10	conducted	conduct	VERB
iogr-1334	119	11	to	to	PART
iogr-1334	119	12	evaluate	evaluate	VERB
iogr-1334	119	13	the	the	DET
iogr-1334	119	14	number	number	NOUN
iogr-1334	119	15	of	of	ADP
iogr-1334	119	16	combustible	combustible	ADJ
iogr-1334	119	17	materials	material	NOUN
iogr-1334	119	18	on	on	ADP
iogr-1334	119	19	the	the	DET
iogr-1334	119	20	sand	sand	NOUN
iogr-1334	119	21	.	.	PUNCT
iogr-1334	120	1	the	the	DET
iogr-1334	120	2	sands	sand	NOUN
iogr-1334	120	3	(	(	PUNCT
iogr-1334	120	4	topaz	topaz	NOUN
iogr-1334	120	5	and	and	CCONJ
iogr-1334	120	6	quartz	quartz	NOUN
iogr-1334	120	7	)	)	PUNCT
iogr-1334	120	8	were	be	AUX
iogr-1334	120	9	weighed	weigh	VERB
iogr-1334	120	10	,	,	PUNCT
iogr-1334	120	11	and	and	CCONJ
iogr-1334	120	12	their	their	PRON
iogr-1334	120	13	masses	masse	NOUN
iogr-1334	120	14	recorded	record	VERB
iogr-1334	120	15	.	.	PUNCT
iogr-1334	121	1	these	these	DET
iogr-1334	121	2	samples	sample	NOUN
iogr-1334	121	3	were	be	AUX
iogr-1334	121	4	subjected	subject	VERB
iogr-1334	121	5	to	to	ADP
iogr-1334	121	6	heating	heating	NOUN
iogr-1334	121	7	at	at	ADP
iogr-1334	121	8	900oc	900oc	PROPN
iogr-1334	121	9	in	in	ADP
iogr-1334	121	10	a	a	DET
iogr-1334	121	11	furnace	furnace	NOUN
iogr-1334	121	12	for	for	ADP
iogr-1334	121	13	12	12	NUM
iogr-1334	121	14	hours	hour	NOUN
iogr-1334	121	15	,	,	PUNCT
iogr-1334	121	16	the	the	DET
iogr-1334	121	17	samples	sample	NOUN
iogr-1334	121	18	were	be	AUX
iogr-1334	121	19	allowed	allow	VERB
iogr-1334	121	20	to	to	PART
iogr-1334	121	21	cool	cool	VERB
iogr-1334	121	22	,	,	PUNCT
iogr-1334	121	23	and	and	CCONJ
iogr-1334	121	24	their	their	PRON
iogr-1334	121	25	individual	individual	ADJ
iogr-1334	121	26	masses	masse	NOUN
iogr-1334	121	27	were	be	AUX
iogr-1334	121	28	recorded	record	VERB
iogr-1334	121	29	.	.	PUNCT
iogr-1334	122	1	the	the	DET
iogr-1334	122	2	mass	mass	ADJ
iogr-1334	122	3	loss	loss	NOUN
iogr-1334	122	4	from	from	ADP
iogr-1334	122	5	each	each	PRON
iogr-1334	122	6	of	of	ADP
iogr-1334	122	7	the	the	DET
iogr-1334	122	8	samples	sample	NOUN
iogr-1334	122	9	showed	show	VERB
iogr-1334	122	10	the	the	DET
iogr-1334	122	11	amounts	amount	NOUN
iogr-1334	122	12	of	of	ADP
iogr-1334	122	13	ignitable	ignitable	ADJ
iogr-1334	122	14	materials	material	NOUN
iogr-1334	122	15	on	on	ADP
iogr-1334	122	16	the	the	DET
iogr-1334	122	17	sands	sand	NOUN
iogr-1334	122	18	.	.	PUNCT
iogr-1334	123	1	eq	eq	X
iogr-1334	123	2	.	.	PUNCT
iogr-1334	124	1	(	(	PUNCT
iogr-1334	124	2	3	3	X
iogr-1334	124	3	)	)	PUNCT
iogr-1334	124	4	was	be	AUX
iogr-1334	124	5	used	use	VERB
iogr-1334	124	6	to	to	PART
iogr-1334	124	7	evaluate	evaluate	VERB
iogr-1334	124	8	the	the	DET
iogr-1334	124	9	loi	loi	NOUN
iogr-1334	124	10	.	.	PUNCT
iogr-1334	124	11	∆𝑚𝐿𝑂𝐼	∆𝑚𝐿𝑂𝐼	PROPN
iogr-1334	125	1	=	=	PUNCT
iogr-1334	125	2	(	(	PUNCT
iogr-1334	125	3	𝑚𝑠+	𝑚𝑠+	ADV
iogr-1334	125	4	𝑚𝑓	𝑚𝑓	NOUN
iogr-1334	125	5	)	)	PUNCT
iogr-1334	125	6	𝑚𝑠	𝑚𝑠	ADP
iogr-1334	125	7	𝑥	𝑥	PROPN
iogr-1334	125	8	100	100	NUM
iogr-1334	125	9	..................................................................................................................................	..................................................................................................................................	PUNCT
iogr-1334	125	10	(3	(3	X
iogr-1334	125	11	)	)	PUNCT
iogr-1334	125	12	where	where	SCONJ
iogr-1334	125	13	,	,	PUNCT
iogr-1334	125	14	∆𝑚𝐿𝑂𝐼	∆𝑚𝐿𝑂𝐼	PROPN
iogr-1334	125	15	represents	represent	VERB
iogr-1334	125	16	the	the	DET
iogr-1334	125	17	loss	loss	NOUN
iogr-1334	125	18	on	on	ADP
iogr-1334	125	19	ignition	ignition	NOUN
iogr-1334	125	20	(	(	PUNCT
iogr-1334	125	21	%	%	NOUN
iogr-1334	125	22	)	)	PUNCT
iogr-1334	125	23	;	;	PUNCT
iogr-1334	125	24	𝑚𝑠	𝑚𝑠	ADV
iogr-1334	125	25	is	be	AUX
iogr-1334	125	26	the	the	DET
iogr-1334	125	27	mass	mass	NOUN
iogr-1334	125	28	of	of	ADP
iogr-1334	125	29	the	the	DET
iogr-1334	125	30	sand	sand	NOUN
iogr-1334	125	31	before	before	ADP
iogr-1334	125	32	firing	fire	VERB
iogr-1334	125	33	(	(	PUNCT
iogr-1334	125	34	g	g	NOUN
iogr-1334	125	35	)	)	PUNCT
iogr-1334	125	36	;	;	PUNCT
iogr-1334	125	37	𝑚𝑓	𝑚𝑓	NOUN
iogr-1334	125	38	is	be	AUX
iogr-1334	125	39	the	the	DET
iogr-1334	125	40	mass	mass	NOUN
iogr-1334	125	41	of	of	ADP
iogr-1334	125	42	the	the	DET
iogr-1334	125	43	sand	sand	NOUN
iogr-1334	125	44	after	after	ADP
iogr-1334	125	45	firing	fire	VERB
iogr-1334	125	46	(	(	PUNCT
iogr-1334	125	47	g	g	NOUN
iogr-1334	125	48	)	)	PUNCT
iogr-1334	125	49	.	.	PUNCT
iogr-1334	126	1	hardness	hardness	PROPN
iogr-1334	126	2	.	.	PUNCT
iogr-1334	127	1	mohs	mohs	PROPN
iogr-1334	127	2	hardness	hardness	PROPN
iogr-1334	127	3	scale	scale	NOUN
iogr-1334	127	4	was	be	AUX
iogr-1334	127	5	used	use	VERB
iogr-1334	127	6	to	to	PART
iogr-1334	127	7	evaluate	evaluate	VERB
iogr-1334	127	8	for	for	ADP
iogr-1334	127	9	the	the	DET
iogr-1334	127	10	relative	relative	ADJ
iogr-1334	127	11	resistance	resistance	NOUN
iogr-1334	127	12	of	of	ADP
iogr-1334	127	13	the	the	DET
iogr-1334	127	14	quartz	quartz	NOUN
iogr-1334	127	15	and	and	CCONJ
iogr-1334	127	16	topaz	topaz	NOUN
iogr-1334	127	17	sands	sand	NOUN
iogr-1334	127	18	.	.	PUNCT
iogr-1334	128	1	this	this	PRON
iogr-1334	128	2	was	be	AUX
iogr-1334	128	3	done	do	VERB
iogr-1334	128	4	by	by	ADP
iogr-1334	128	5	scratching	scratch	VERB
iogr-1334	128	6	the	the	DET
iogr-1334	128	7	sands	sand	NOUN
iogr-1334	128	8	against	against	ADP
iogr-1334	128	9	other	other	ADJ
iogr-1334	128	10	substances	substance	NOUN
iogr-1334	128	11	of	of	ADP
iogr-1334	128	12	known	know	VERB
iogr-1334	128	13	hardness	hardness	NOUN
iogr-1334	128	14	on	on	ADP
iogr-1334	128	15	the	the	DET
iogr-1334	128	16	mohs	mohs	PROPN
iogr-1334	128	17	hardness	hardness	NOUN
iogr-1334	128	18	scale	scale	NOUN
iogr-1334	128	19	.	.	PUNCT
iogr-1334	129	1	in	in	ADP
iogr-1334	129	2	this	this	DET
iogr-1334	129	3	case	case	NOUN
iogr-1334	129	4	,	,	PUNCT
iogr-1334	129	5	there	there	PRON
iogr-1334	129	6	are	be	VERB
iogr-1334	129	7	twelve	twelve	NUM
iogr-1334	129	8	(	(	PUNCT
iogr-1334	129	9	10	10	NUM
iogr-1334	129	10	)	)	PUNCT
iogr-1334	129	11	minerals	mineral	NOUN
iogr-1334	129	12	in	in	ADP
iogr-1334	129	13	the	the	DET
iogr-1334	129	14	test	test	NOUN
iogr-1334	129	15	kit	kit	NOUN
iogr-1334	129	16	with	with	ADP
iogr-1334	129	17	each	each	DET
iogr-1334	129	18	number	number	NOUN
iogr-1334	129	19	standing	stand	VERB
iogr-1334	129	20	for	for	ADP
iogr-1334	129	21	a	a	DET
iogr-1334	129	22	hardness	hardness	NOUN
iogr-1334	129	23	value	value	NOUN
iogr-1334	129	24	.	.	PUNCT
iogr-1334	130	1	the	the	DET
iogr-1334	130	2	mineral	mineral	NOUN
iogr-1334	130	3	that	that	PRON
iogr-1334	130	4	could	could	AUX
iogr-1334	130	5	not	not	PART
iogr-1334	130	6	be	be	AUX
iogr-1334	130	7	scratched	scratch	VERB
iogr-1334	130	8	by	by	ADP
iogr-1334	130	9	quartz	quartz	NOUN
iogr-1334	130	10	and	and	CCONJ
iogr-1334	130	11	topaz	topaz	NOUN
iogr-1334	130	12	sands	sand	NOUN
iogr-1334	130	13	is	be	AUX
iogr-1334	130	14	said	say	VERB
iogr-1334	130	15	to	to	PART
iogr-1334	130	16	have	have	VERB
iogr-1334	130	17	the	the	DET
iogr-1334	130	18	same	same	ADJ
iogr-1334	130	19	hardness	hardness	NOUN
iogr-1334	130	20	value	value	NOUN
iogr-1334	130	21	as	as	ADP
iogr-1334	130	22	the	the	DET
iogr-1334	130	23	sands	sand	NOUN
iogr-1334	130	24	.	.	PUNCT
iogr-1334	131	1	on	on	ADP
iogr-1334	131	2	the	the	DET
iogr-1334	131	3	mohs	mohs	PROPN
iogr-1334	131	4	scale	scale	NOUN
iogr-1334	131	5	,	,	PUNCT
iogr-1334	131	6	talc	talc	NOUN
iogr-1334	131	7	has	have	VERB
iogr-1334	131	8	a	a	DET
iogr-1334	131	9	hardness	hardness	ADJ
iogr-1334	131	10	value	value	NOUN
iogr-1334	131	11	of	of	ADP
iogr-1334	131	12	1	1	NUM
iogr-1334	131	13	,	,	PUNCT
iogr-1334	131	14	gypsum	gypsum	NOUN
iogr-1334	131	15	2	2	NUM
iogr-1334	131	16	,	,	PUNCT
iogr-1334	131	17	calcite	calcite	NOUN
iogr-1334	131	18	3	3	NUM
iogr-1334	131	19	,	,	PUNCT
iogr-1334	131	20	fluorite	fluorite	NOUN
iogr-1334	131	21	4	4	NUM
iogr-1334	131	22	,	,	PUNCT
iogr-1334	131	23	apatite	apatite	NOUN
iogr-1334	131	24	5	5	NUM
iogr-1334	131	25	,	,	PUNCT
iogr-1334	131	26	orthoclase	orthoclase	NOUN
iogr-1334	131	27	6	6	NUM
iogr-1334	131	28	,	,	PUNCT
iogr-1334	131	29	quartz	quartz	NOUN
iogr-1334	131	30	7	7	NUM
iogr-1334	131	31	,	,	PUNCT
iogr-1334	131	32	topaz	topaz	NOUN
iogr-1334	131	33	8	8	NUM
iogr-1334	131	34	,	,	PUNCT
iogr-1334	131	35	corundum	corundum	NOUN
iogr-1334	131	36	9	9	NUM
iogr-1334	131	37	,	,	PUNCT
iogr-1334	131	38	and	and	CCONJ
iogr-1334	131	39	diamond	diamond	NOUN
iogr-1334	131	40	10	10	NUM
iogr-1334	131	41	in	in	ADP
iogr-1334	131	42	an	an	DET
iogr-1334	131	43	order	order	NOUN
iogr-1334	131	44	of	of	ADP
iogr-1334	131	45	increasing	increase	VERB
iogr-1334	131	46	hardness	hardness	NOUN
iogr-1334	131	47	value	value	NOUN
iogr-1334	131	48	.	.	PUNCT
iogr-1334	132	1	resin	resin	NOUN
iogr-1334	132	2	-	-	PUNCT
iogr-1334	132	3	coated	coat	VERB
iogr-1334	132	4	sand	sand	NOUN
iogr-1334	132	5	(	(	PUNCT
iogr-1334	132	6	rcs	rcs	NOUN
iogr-1334	132	7	)	)	PUNCT
iogr-1334	132	8	.	.	PUNCT
iogr-1334	133	1	a	a	DET
iogr-1334	133	2	resin	resin	NOUN
iogr-1334	133	3	-	-	PUNCT
iogr-1334	133	4	coated	coat	VERB
iogr-1334	133	5	proppant	proppant	NOUN
iogr-1334	133	6	was	be	AUX
iogr-1334	133	7	produced	produce	VERB
iogr-1334	133	8	from	from	ADP
iogr-1334	133	9	the	the	DET
iogr-1334	133	10	diglycidyl	diglycidyl	NOUN
iogr-1334	133	11	ether	ether	NOUN
iogr-1334	133	12	of	of	ADP
iogr-1334	133	13	bisphenol	bisphenol	NOUN
iogr-1334	133	14	-	-	PUNCT
iogr-1334	133	15	a	a	DET
iogr-1334	133	16	(	(	PUNCT
iogr-1334	133	17	dgeba	dgeba	NOUN
iogr-1334	133	18	)	)	PUNCT
iogr-1334	133	19	e-51	e-51	NOUN
iogr-1334	133	20	epoxy	epoxy	NOUN
iogr-1334	133	21	resin	resin	NOUN
iogr-1334	133	22	and	and	CCONJ
iogr-1334	133	23	an	an	DET
iogr-1334	133	24	epoxy	epoxy	NOUN
iogr-1334	133	25	hardener	hardener	NOUN
iogr-1334	133	26	using	use	VERB
iogr-1334	133	27	a	a	DET
iogr-1334	133	28	simple	simple	ADJ
iogr-1334	133	29	method	method	NOUN
iogr-1334	133	30	adopted	adopt	VERB
iogr-1334	133	31	from	from	ADP
iogr-1334	133	32	us4460717a	us4460717a	PROPN
iogr-1334	133	33	and	and	CCONJ
iogr-1334	133	34	ep1757382a1	ep1757382a1	PROPN
iogr-1334	133	35	patents	patent	NOUN
iogr-1334	133	36	.	.	PUNCT
iogr-1334	134	1	the	the	DET
iogr-1334	134	2	procedures	procedure	NOUN
iogr-1334	134	3	used	use	VERB
iogr-1334	134	4	for	for	ADP
iogr-1334	134	5	the	the	DET
iogr-1334	134	6	modification	modification	NOUN
iogr-1334	134	7	of	of	ADP
iogr-1334	134	8	the	the	DET
iogr-1334	134	9	sand	sand	NOUN
iogr-1334	134	10	involved	involve	VERB
iogr-1334	134	11	the	the	DET
iogr-1334	134	12	following	following	ADJ
iogr-1334	134	13	methods	method	NOUN
iogr-1334	134	14	:	:	PUNCT
iogr-1334	134	15	the	the	DET
iogr-1334	134	16	sand	sand	NOUN
iogr-1334	134	17	was	be	AUX
iogr-1334	134	18	washed	wash	VERB
iogr-1334	134	19	and	and	CCONJ
iogr-1334	134	20	allowed	allow	VERB
iogr-1334	134	21	to	to	PART
iogr-1334	134	22	dry	dry	VERB
iogr-1334	134	23	.	.	PUNCT
iogr-1334	135	1	the	the	DET
iogr-1334	135	2	epoxy	epoxy	NOUN
iogr-1334	135	3	resin	resin	NOUN
iogr-1334	135	4	and	and	CCONJ
iogr-1334	135	5	hardener	hardener	NOUN
iogr-1334	135	6	were	be	AUX
iogr-1334	135	7	measured	measure	VERB
iogr-1334	135	8	and	and	CCONJ
iogr-1334	135	9	mixed	mix	VERB
iogr-1334	135	10	in	in	ADP
iogr-1334	135	11	the	the	DET
iogr-1334	135	12	ratio	ratio	NOUN
iogr-1334	135	13	3:1	3:1	NUM
iogr-1334	135	14	respectively	respectively	ADV
iogr-1334	135	15	using	use	VERB
iogr-1334	135	16	a	a	DET
iogr-1334	135	17	measuring	measure	VERB
iogr-1334	135	18	cup	cup	NOUN
iogr-1334	135	19	.	.	PUNCT
iogr-1334	136	1	the	the	DET
iogr-1334	136	2	mixture	mixture	NOUN
iogr-1334	136	3	was	be	AUX
iogr-1334	136	4	stirred	stir	VERB
iogr-1334	136	5	vigorously	vigorously	ADV
iogr-1334	136	6	using	use	VERB
iogr-1334	136	7	wooden	wooden	ADJ
iogr-1334	136	8	sticks	stick	NOUN
iogr-1334	136	9	,	,	PUNCT
iogr-1334	136	10	a	a	DET
iogr-1334	136	11	dropper	dropper	NOUN
iogr-1334	136	12	was	be	AUX
iogr-1334	136	13	used	use	VERB
iogr-1334	136	14	to	to	PART
iogr-1334	136	15	drop	drop	VERB
iogr-1334	136	16	the	the	DET
iogr-1334	136	17	mixture	mixture	NOUN
iogr-1334	136	18	on	on	ADP
iogr-1334	136	19	the	the	DET
iogr-1334	136	20	sand	sand	NOUN
iogr-1334	136	21	.	.	PUNCT
iogr-1334	137	1	the	the	DET
iogr-1334	137	2	slurry	slurry	NOUN
iogr-1334	137	3	of	of	ADP
iogr-1334	137	4	the	the	DET
iogr-1334	137	5	sand	sand	NOUN
iogr-1334	137	6	and	and	CCONJ
iogr-1334	137	7	epoxy	epoxy	NOUN
iogr-1334	137	8	resin	resin	NOUN
iogr-1334	137	9	was	be	AUX
iogr-1334	137	10	then	then	ADV
iogr-1334	137	11	mixed	mixed	ADJ
iogr-1334	137	12	to	to	PART
iogr-1334	137	13	ensure	ensure	VERB
iogr-1334	137	14	the	the	DET
iogr-1334	137	15	epoxy	epoxy	NOUN
iogr-1334	137	16	encapsulates	encapsulate	VERB
iogr-1334	137	17	the	the	DET
iogr-1334	137	18	whole	whole	NOUN
iogr-1334	137	19	of	of	ADP
iogr-1334	137	20	the	the	DET
iogr-1334	137	21	sand	sand	NOUN
iogr-1334	137	22	.	.	PUNCT
iogr-1334	138	1	when	when	SCONJ
iogr-1334	138	2	the	the	DET
iogr-1334	138	3	epoxy	epoxy	NOUN
iogr-1334	138	4	resin	resin	NOUN
iogr-1334	138	5	and	and	CCONJ
iogr-1334	138	6	sand	sand	NOUN
iogr-1334	138	7	mixture	mixture	NOUN
iogr-1334	138	8	was	be	AUX
iogr-1334	138	9	about	about	ADJ
iogr-1334	138	10	to	to	PART
iogr-1334	138	11	set	set	VERB
iogr-1334	138	12	,	,	PUNCT
iogr-1334	138	13	the	the	DET
iogr-1334	138	14	individual	individual	ADJ
iogr-1334	138	15	grain	grain	NOUN
iogr-1334	138	16	with	with	ADP
iogr-1334	138	17	the	the	DET
iogr-1334	138	18	resin	resin	NOUN
iogr-1334	138	19	coating	coating	NOUN
iogr-1334	138	20	were	be	AUX
iogr-1334	138	21	transferred	transfer	VERB
iogr-1334	138	22	to	to	ADP
iogr-1334	138	23	a	a	DET
iogr-1334	138	24	plane	plane	NOUN
iogr-1334	138	25	surface	surface	NOUN
iogr-1334	138	26	and	and	CCONJ
iogr-1334	138	27	allowed	allow	VERB
iogr-1334	138	28	to	to	PART
iogr-1334	138	29	cure	cure	VERB
iogr-1334	138	30	for	for	ADP
iogr-1334	138	31	48	48	NUM
iogr-1334	138	32	hours	hour	NOUN
iogr-1334	138	33	at	at	ADP
iogr-1334	138	34	room	room	NOUN
iogr-1334	138	35	temperature	temperature	NOUN
iogr-1334	138	36	of	of	ADP
iogr-1334	138	37	29oc	29oc	NOUN
iogr-1334	138	38	.	.	PUNCT
iogr-1334	139	1	improved	improve	VERB
iogr-1334	139	2	oil	oil	NOUN
iogr-1334	139	3	and	and	CCONJ
iogr-1334	139	4	gas	gas	NOUN
iogr-1334	139	5	recovery	recovery	NOUN
iogr-1334	139	6	6	6	NUM
iogr-1334	139	7	results	result	NOUN
iogr-1334	139	8	and	and	CCONJ
iogr-1334	139	9	discussion	discussion	NOUN
iogr-1334	139	10	figures	figure	NOUN
iogr-1334	139	11	3	3	NUM
iogr-1334	139	12	and	and	CCONJ
iogr-1334	139	13	4	4	NUM
iogr-1334	139	14	showed	show	VERB
iogr-1334	139	15	the	the	DET
iogr-1334	139	16	results	result	NOUN
iogr-1334	139	17	of	of	ADP
iogr-1334	139	18	the	the	DET
iogr-1334	139	19	x	x	ADJ
iogr-1334	139	20	-	-	NOUN
iogr-1334	139	21	ray	ray	NOUN
iogr-1334	139	22	fluorescence	fluorescence	NOUN
iogr-1334	139	23	test	test	NOUN
iogr-1334	139	24	(	(	PUNCT
iogr-1334	139	25	xrf	xrf	PROPN
iogr-1334	139	26	)	)	PUNCT
iogr-1334	139	27	of	of	ADP
iogr-1334	139	28	the	the	DET
iogr-1334	139	29	characterization	characterization	NOUN
iogr-1334	139	30	of	of	ADP
iogr-1334	139	31	the	the	DET
iogr-1334	139	32	quartz	quartz	NOUN
iogr-1334	139	33	and	and	CCONJ
iogr-1334	139	34	topaz	topaz	NOUN
iogr-1334	139	35	sands	sand	NOUN
iogr-1334	139	36	.	.	PUNCT
iogr-1334	140	1	the	the	DET
iogr-1334	140	2	results	result	NOUN
iogr-1334	140	3	showed	show	VERB
iogr-1334	140	4	that	that	SCONJ
iogr-1334	140	5	quartz	quartz	NOUN
iogr-1334	140	6	sand	sand	NOUN
iogr-1334	140	7	contained	contain	VERB
iogr-1334	140	8	79.93	79.93	NUM
iogr-1334	140	9	%	%	NOUN
iogr-1334	140	10	of	of	ADP
iogr-1334	140	11	silicon	silicon	NOUN
iogr-1334	140	12	oxide	oxide	NOUN
iogr-1334	140	13	(	(	PUNCT
iogr-1334	140	14	𝑠𝑖𝑜2	𝑠𝑖𝑜2	PROPN
iogr-1334	140	15	)	)	PUNCT
iogr-1334	140	16	.	.	PUNCT
iogr-1334	141	1	it	it	PRON
iogr-1334	141	2	also	also	ADV
iogr-1334	141	3	contained	contain	VERB
iogr-1334	141	4	aluminium	aluminium	NOUN
iogr-1334	141	5	oxide	oxide	NOUN
iogr-1334	141	6	(	(	PUNCT
iogr-1334	141	7	𝐴𝑙2𝑜3	𝐴𝑙2𝑜3	NOUN
iogr-1334	141	8	)	)	PUNCT
iogr-1334	141	9	of	of	ADP
iogr-1334	141	10	2.021	2.021	NUM
iogr-1334	141	11	%	%	NOUN
iogr-1334	141	12	and	and	CCONJ
iogr-1334	141	13	magnesium	magnesium	NOUN
iogr-1334	141	14	oxide	oxide	NOUN
iogr-1334	141	15	(	(	PUNCT
iogr-1334	141	16	mgo	mgo	PROPN
iogr-1334	141	17	)	)	PUNCT
iogr-1334	141	18	of	of	ADP
iogr-1334	141	19	0.53	0.53	NUM
iogr-1334	141	20	%	%	NOUN
iogr-1334	141	21	.	.	PUNCT
iogr-1334	142	1	similarly	similarly	ADV
iogr-1334	142	2	,	,	PUNCT
iogr-1334	142	3	topaz	topaz	NOUN
iogr-1334	142	4	sand	sand	NOUN
iogr-1334	142	5	contained	contain	VERB
iogr-1334	142	6	72.81	72.81	NUM
iogr-1334	142	7	%	%	NOUN
iogr-1334	142	8	,	,	PUNCT
iogr-1334	142	9	aluminium	aluminium	NOUN
iogr-1334	142	10	oxide	oxide	NOUN
iogr-1334	142	11	of	of	ADP
iogr-1334	142	12	1.453	1.453	NUM
iogr-1334	142	13	%	%	NOUN
iogr-1334	142	14	and	and	CCONJ
iogr-1334	142	15	mgo	mgo	NOUN
iogr-1334	142	16	of	of	ADP
iogr-1334	142	17	0.86	0.86	NUM
iogr-1334	142	18	%	%	NOUN
iogr-1334	142	19	.	.	PUNCT
iogr-1334	143	1	these	these	DET
iogr-1334	143	2	elements	element	NOUN
iogr-1334	143	3	are	be	AUX
iogr-1334	143	4	the	the	DET
iogr-1334	143	5	major	major	ADJ
iogr-1334	143	6	constituent	constituent	NOUN
iogr-1334	143	7	in	in	ADP
iogr-1334	143	8	the	the	DET
iogr-1334	143	9	sands	sand	NOUN
iogr-1334	143	10	.	.	PUNCT
iogr-1334	144	1	the	the	DET
iogr-1334	144	2	results	result	NOUN
iogr-1334	144	3	showed	show	VERB
iogr-1334	144	4	that	that	SCONJ
iogr-1334	144	5	the	the	DET
iogr-1334	144	6	sand	sand	NOUN
iogr-1334	144	7	was	be	AUX
iogr-1334	144	8	majorly	majorly	ADV
iogr-1334	144	9	composed	compose	VERB
iogr-1334	144	10	of	of	ADP
iogr-1334	144	11	silicon	silicon	NOUN
iogr-1334	144	12	oxide	oxide	NOUN
iogr-1334	144	13	(	(	PUNCT
iogr-1334	144	14	𝑠𝑖𝑜2	𝑠𝑖𝑜2	PROPN
iogr-1334	144	15	)	)	PUNCT
iogr-1334	144	16	.	.	PUNCT
iogr-1334	145	1	liang	liang	PROPN
iogr-1334	145	2	et	et	PROPN
iogr-1334	145	3	al	al	PROPN
iogr-1334	145	4	.	.	PROPN
iogr-1334	146	1	(	(	PUNCT
iogr-1334	146	2	2016	2016	NUM
iogr-1334	146	3	)	)	PUNCT
iogr-1334	146	4	reported	report	VERB
iogr-1334	146	5	that	that	DET
iogr-1334	146	6	sand	sand	NOUN
iogr-1334	146	7	that	that	PRON
iogr-1334	146	8	have	have	VERB
iogr-1334	146	9	high	high	ADJ
iogr-1334	146	10	silica	silica	NOUN
iogr-1334	146	11	content	content	NOUN
iogr-1334	146	12	are	be	AUX
iogr-1334	146	13	best	good	ADJ
iogr-1334	146	14	candidate	candidate	NOUN
iogr-1334	146	15	as	as	ADP
iogr-1334	146	16	proppant	proppant	NOUN
iogr-1334	146	17	in	in	ADP
iogr-1334	146	18	hydraulic	hydraulic	ADJ
iogr-1334	146	19	fracturing	fracturing	NOUN
iogr-1334	146	20	operation	operation	NOUN
iogr-1334	146	21	and	and	CCONJ
iogr-1334	146	22	have	have	VERB
iogr-1334	146	23	economic	economic	ADJ
iogr-1334	146	24	advantages	advantage	NOUN
iogr-1334	146	25	.	.	PUNCT
iogr-1334	147	1	the	the	DET
iogr-1334	147	2	work	work	NOUN
iogr-1334	147	3	of	of	ADP
iogr-1334	147	4	hu	hu	PROPN
iogr-1334	147	5	et	et	PROPN
iogr-1334	147	6	al	al	PROPN
iogr-1334	147	7	.	.	PROPN
iogr-1334	148	1	(	(	PUNCT
iogr-1334	148	2	2014	2014	NUM
iogr-1334	148	3	)	)	PUNCT
iogr-1334	148	4	and	and	CCONJ
iogr-1334	148	5	curimbaba	curimbaba	PROPN
iogr-1334	148	6	and	and	CCONJ
iogr-1334	148	7	kerr	kerr	PROPN
iogr-1334	148	8	de	de	PROPN
iogr-1334	148	9	paiva	paiva	PROPN
iogr-1334	148	10	cortes	corte	NOUN
iogr-1334	148	11	(	(	PUNCT
iogr-1334	148	12	2011	2011	NUM
iogr-1334	148	13	)	)	PUNCT
iogr-1334	148	14	all	all	PRON
iogr-1334	148	15	reported	report	VERB
iogr-1334	148	16	that	that	SCONJ
iogr-1334	148	17	good	good	ADJ
iogr-1334	148	18	proppant	proppant	NOUN
iogr-1334	148	19	should	should	AUX
iogr-1334	148	20	contain	contain	VERB
iogr-1334	148	21	up	up	ADP
iogr-1334	148	22	to	to	PART
iogr-1334	148	23	70	70	NUM
iogr-1334	148	24	%	%	NOUN
iogr-1334	148	25	of	of	ADP
iogr-1334	148	26	silicon	silicon	NOUN
iogr-1334	148	27	oxide	oxide	NOUN
iogr-1334	148	28	to	to	PART
iogr-1334	148	29	be	be	AUX
iogr-1334	148	30	suitable	suitable	ADJ
iogr-1334	148	31	for	for	ADP
iogr-1334	148	32	use	use	NOUN
iogr-1334	148	33	in	in	ADP
iogr-1334	148	34	hydraulic	hydraulic	ADJ
iogr-1334	148	35	fracturing	fracturing	NOUN
iogr-1334	148	36	operations	operation	NOUN
iogr-1334	148	37	.	.	PUNCT
iogr-1334	149	1	the	the	DET
iogr-1334	149	2	proposed	propose	VERB
iogr-1334	149	3	proppant	proppant	NOUN
iogr-1334	149	4	gave	give	VERB
iogr-1334	149	5	a	a	DET
iogr-1334	149	6	higher	high	ADJ
iogr-1334	149	7	value	value	NOUN
iogr-1334	149	8	of	of	ADP
iogr-1334	149	9	the	the	DET
iogr-1334	149	10	recommended	recommend	VERB
iogr-1334	149	11	proppant	proppant	NOUN
iogr-1334	149	12	as	as	SCONJ
iogr-1334	149	13	suggested	suggest	VERB
iogr-1334	149	14	from	from	ADP
iogr-1334	149	15	the	the	DET
iogr-1334	149	16	literature	literature	NOUN
iogr-1334	149	17	.	.	PUNCT
iogr-1334	150	1	it	it	PRON
iogr-1334	150	2	is	be	AUX
iogr-1334	150	3	also	also	ADV
iogr-1334	150	4	interesting	interesting	ADJ
iogr-1334	150	5	to	to	PART
iogr-1334	150	6	note	note	VERB
iogr-1334	150	7	that	that	SCONJ
iogr-1334	150	8	quartz	quartz	NOUN
iogr-1334	150	9	and	and	CCONJ
iogr-1334	150	10	topaz	topaz	NOUN
iogr-1334	150	11	sands	sand	NOUN
iogr-1334	150	12	used	use	VERB
iogr-1334	150	13	in	in	ADP
iogr-1334	150	14	this	this	DET
iogr-1334	150	15	study	study	NOUN
iogr-1334	150	16	meet	meet	VERB
iogr-1334	150	17	the	the	DET
iogr-1334	150	18	required	require	VERB
iogr-1334	150	19	standard	standard	NOUN
iogr-1334	150	20	based	base	VERB
iogr-1334	150	21	on	on	ADP
iogr-1334	150	22	the	the	DET
iogr-1334	150	23	api	api	NOUN
iogr-1334	150	24	and	and	CCONJ
iogr-1334	150	25	iso	iso	NOUN
iogr-1334	150	26	recommended	recommend	VERB
iogr-1334	150	27	standard	standard	NOUN
iogr-1334	150	28	.	.	PUNCT
iogr-1334	151	1	figure	figure	NOUN
iogr-1334	151	2	3	3	NUM
iogr-1334	151	3	—	—	PUNCT
iogr-1334	151	4	xrf	xrf	PROPN
iogr-1334	151	5	result	result	VERB
iogr-1334	151	6	for	for	ADP
iogr-1334	151	7	quartz	quartz	NOUN
iogr-1334	151	8	sand	sand	NOUN
iogr-1334	151	9	.	.	PUNCT
iogr-1334	152	1	figure	figure	NOUN
iogr-1334	152	2	4	4	NUM
iogr-1334	152	3	—	—	PUNCT
iogr-1334	152	4	xrf	xrf	PROPN
iogr-1334	152	5	result	result	VERB
iogr-1334	152	6	for	for	ADP
iogr-1334	152	7	topaz	topaz	NOUN
iogr-1334	152	8	sand	sand	NOUN
iogr-1334	152	9	.	.	PUNCT
iogr-1334	153	1	improved	improve	VERB
iogr-1334	153	2	oil	oil	NOUN
iogr-1334	153	3	and	and	CCONJ
iogr-1334	153	4	gas	gas	NOUN
iogr-1334	153	5	recovery	recovery	NOUN
iogr-1334	153	6	7	7	NUM
iogr-1334	153	7	sieve	sieve	NOUN
iogr-1334	153	8	test	test	NOUN
iogr-1334	153	9	result	result	NOUN
iogr-1334	153	10	.	.	PUNCT
iogr-1334	154	1	table	table	NOUN
iogr-1334	154	2	1	1	NUM
iogr-1334	154	3	showed	show	VERB
iogr-1334	154	4	the	the	DET
iogr-1334	154	5	results	result	NOUN
iogr-1334	154	6	of	of	ADP
iogr-1334	154	7	the	the	DET
iogr-1334	154	8	sand	sand	NOUN
iogr-1334	154	9	sieving	sieve	VERB
iogr-1334	154	10	test	test	NOUN
iogr-1334	154	11	for	for	ADP
iogr-1334	154	12	quartz	quartz	NOUN
iogr-1334	154	13	sand	sand	NOUN
iogr-1334	154	14	.	.	PUNCT
iogr-1334	155	1	the	the	DET
iogr-1334	155	2	sieve	sieve	NOUN
iogr-1334	155	3	sizes	size	NOUN
iogr-1334	155	4	range	range	VERB
iogr-1334	155	5	from	from	ADP
iogr-1334	155	6	1.18	1.18	NUM
iogr-1334	155	7	-	-	SYM
iogr-1334	155	8	0.300	0.300	NUM
iogr-1334	155	9	(	(	PUNCT
iogr-1334	155	10	mm	mm	NOUN
iogr-1334	155	11	)	)	PUNCT
iogr-1334	155	12	.	.	PUNCT
iogr-1334	156	1	it	it	PRON
iogr-1334	156	2	can	can	AUX
iogr-1334	156	3	be	be	AUX
iogr-1334	156	4	observed	observe	VERB
iogr-1334	156	5	that	that	SCONJ
iogr-1334	156	6	sieve	sieve	NOUN
iogr-1334	156	7	size	size	NOUN
iogr-1334	156	8	reduces	reduce	VERB
iogr-1334	156	9	as	as	ADP
iogr-1334	156	10	sample	sample	NOUN
iogr-1334	156	11	weight	weight	NOUN
iogr-1334	156	12	increases	increase	NOUN
iogr-1334	156	13	until	until	SCONJ
iogr-1334	156	14	reached	reach	VERB
iogr-1334	156	15	at	at	ADP
iogr-1334	156	16	mesh	mesh	NOUN
iogr-1334	156	17	size	size	NOUN
iogr-1334	156	18	of	of	ADP
iogr-1334	156	19	40	40	NUM
iogr-1334	156	20	mm	mm	NOUN
iogr-1334	156	21	.	.	PUNCT
iogr-1334	157	1	the	the	DET
iogr-1334	157	2	percentage	percentage	NOUN
iogr-1334	157	3	retained	retain	VERB
iogr-1334	157	4	increases	increase	NOUN
iogr-1334	157	5	at	at	ADP
iogr-1334	157	6	each	each	DET
iogr-1334	157	7	mesh	mesh	NOUN
iogr-1334	157	8	size	size	NOUN
iogr-1334	157	9	sample	sample	NOUN
iogr-1334	157	10	,	,	PUNCT
iogr-1334	157	11	percentage	percentage	NOUN
iogr-1334	157	12	passing	passing	NOUN
iogr-1334	157	13	of	of	ADP
iogr-1334	157	14	the	the	DET
iogr-1334	157	15	sand	sand	NOUN
iogr-1334	157	16	at	at	ADP
iogr-1334	157	17	100	100	NUM
iogr-1334	157	18	%	%	NOUN
iogr-1334	157	19	reduces	reduce	VERB
iogr-1334	157	20	at	at	ADP
iogr-1334	157	21	each	each	DET
iogr-1334	157	22	sand	sand	NOUN
iogr-1334	157	23	passing	pass	VERB
iogr-1334	157	24	.	.	PUNCT
iogr-1334	158	1	table	table	NOUN
iogr-1334	158	2	1	1	NUM
iogr-1334	158	3	—	—	PUNCT
iogr-1334	158	4	sand	sand	NOUN
iogr-1334	158	5	sieve	sieve	NOUN
iogr-1334	158	6	test	test	NOUN
iogr-1334	158	7	for	for	ADP
iogr-1334	158	8	quartz	quartz	NOUN
iogr-1334	158	9	sand	sand	NOUN
iogr-1334	158	10	.	.	PUNCT
iogr-1334	159	1	sieve	sieve	NOUN
iogr-1334	159	2	number	number	NOUN
iogr-1334	159	3	sieve	sieve	NOUN
iogr-1334	159	4	size	size	NOUN
iogr-1334	159	5	(	(	PUNCT
iogr-1334	159	6	mm	mm	NOUN
iogr-1334	159	7	)	)	PUNCT
iogr-1334	159	8	mass	mass	NOUN
iogr-1334	159	9	retained	retain	VERB
iogr-1334	159	10	(	(	PUNCT
iogr-1334	159	11	𝑆𝑤	𝑆𝑤	PROPN
iogr-1334	159	12	)	)	PUNCT
iogr-1334	159	13	(	(	PUNCT
iogr-1334	159	14	g	g	NOUN
iogr-1334	159	15	)	)	PUNCT
iogr-1334	159	16	retained	retain	VERB
iogr-1334	159	17	on	on	ADP
iogr-1334	159	18	sieve	sieve	NOUN
iogr-1334	159	19	(	(	PUNCT
iogr-1334	159	20	𝑆𝑤	𝑆𝑤	PROPN
iogr-1334	159	21	×	×	NOUN
iogr-1334	159	22	100)/𝑇𝐷𝑆	100)/𝑇𝐷𝑆	NUM
iogr-1334	159	23	passing	passing	NOUN
iogr-1334	159	24	(	(	PUNCT
iogr-1334	159	25	%	%	INTJ
iogr-1334	159	26	)	)	PUNCT
iogr-1334	159	27	cumulative	cumulative	ADJ
iogr-1334	159	28	retained	retain	VERB
iogr-1334	159	29	(	(	PUNCT
iogr-1334	159	30	%	%	NOUN
iogr-1334	159	31	)	)	PUNCT
iogr-1334	159	32	16	16	NUM
iogr-1334	159	33	1.18	1.18	NUM
iogr-1334	159	34	0.00	0.00	NUM
iogr-1334	159	35	0.00	0.00	NUM
iogr-1334	159	36	100	100	NUM
iogr-1334	159	37	0.00	0.00	NUM
iogr-1334	159	38	20	20	NUM
iogr-1334	159	39	0.850	0.850	NUM
iogr-1334	159	40	54.71	54.71	NUM
iogr-1334	159	41	2.43	2.43	NUM
iogr-1334	159	42	97.57	97.57	NUM
iogr-1334	159	43	2.43	2.43	NUM
iogr-1334	159	44	25	25	NUM
iogr-1334	159	45	0.710	0.710	NUM
iogr-1334	159	46	279.48	279.48	NUM
iogr-1334	159	47	12.42	12.42	NUM
iogr-1334	159	48	85.15	85.15	NUM
iogr-1334	159	49	14.85	14.85	NUM
iogr-1334	159	50	30	30	NUM
iogr-1334	159	51	0.600	0.600	NUM
iogr-1334	159	52	854.92	854.92	NUM
iogr-1334	159	53	37.97	37.97	NUM
iogr-1334	159	54	47.18	47.18	NUM
iogr-1334	159	55	52.82	52.82	NUM
iogr-1334	159	56	35	35	NUM
iogr-1334	159	57	0.500	0.500	NUM
iogr-1334	159	58	949.28	949.28	NUM
iogr-1334	159	59	42.19	42.19	NUM
iogr-1334	159	60	5.00	5.00	NUM
iogr-1334	159	61	95.01	95.01	NUM
iogr-1334	159	62	40	40	NUM
iogr-1334	159	63	0.425	0.425	NUM
iogr-1334	159	64	111.56	111.56	NUM
iogr-1334	159	65	4.96	4.96	NUM
iogr-1334	159	66	0.00	0.00	NUM
iogr-1334	159	67	100	100	NUM
iogr-1334	159	68	pan	pan	NOUN
iogr-1334	159	69	0.00	0.00	NUM
iogr-1334	159	70	0.00	0.00	NUM
iogr-1334	159	71	0.00	0.00	NUM
iogr-1334	159	72	0.00	0.00	NUM
iogr-1334	159	73	note	note	NOUN
iogr-1334	159	74	:	:	PUNCT
iogr-1334	159	75	total	total	ADJ
iogr-1334	159	76	dry	dry	ADJ
iogr-1334	159	77	sand	sand	NOUN
iogr-1334	159	78	(	(	PUNCT
iogr-1334	159	79	𝑇𝐷𝑆	𝑇𝐷𝑆	PROPN
iogr-1334	159	80	)	)	PUNCT
iogr-1334	159	81	=	=	SYM
iogr-1334	160	1	2250	2250	NUM
iogr-1334	160	2	g	g	NOUN
iogr-1334	160	3	table	table	NOUN
iogr-1334	160	4	2	2	NUM
iogr-1334	160	5	showed	show	VERB
iogr-1334	160	6	similar	similar	ADJ
iogr-1334	160	7	behavior	behavior	NOUN
iogr-1334	160	8	for	for	ADP
iogr-1334	160	9	the	the	DET
iogr-1334	160	10	topaz	topaz	NOUN
iogr-1334	160	11	sand	sand	NOUN
iogr-1334	160	12	.	.	PUNCT
iogr-1334	161	1	sample	sample	NOUN
iogr-1334	161	2	weight	weight	NOUN
iogr-1334	161	3	increases	increase	NOUN
iogr-1334	161	4	as	as	ADP
iogr-1334	161	5	percentage	percentage	NOUN
iogr-1334	161	6	retained	retain	VERB
iogr-1334	161	7	increases	increase	NOUN
iogr-1334	161	8	.	.	PUNCT
iogr-1334	162	1	the	the	DET
iogr-1334	162	2	results	result	NOUN
iogr-1334	162	3	of	of	ADP
iogr-1334	162	4	the	the	DET
iogr-1334	162	5	sieve	sieve	NOUN
iogr-1334	162	6	test	test	NOUN
iogr-1334	162	7	showed	show	VERB
iogr-1334	162	8	that	that	SCONJ
iogr-1334	162	9	the	the	DET
iogr-1334	162	10	sand	sand	NOUN
iogr-1334	162	11	is	be	AUX
iogr-1334	162	12	evenly	evenly	ADV
iogr-1334	162	13	distributed	distribute	VERB
iogr-1334	162	14	.	.	PUNCT
iogr-1334	163	1	in	in	ADP
iogr-1334	163	2	addition	addition	NOUN
iogr-1334	163	3	,	,	PUNCT
iogr-1334	163	4	the	the	DET
iogr-1334	163	5	different	different	ADJ
iogr-1334	163	6	mesh	mesh	NOUN
iogr-1334	163	7	size	size	NOUN
iogr-1334	163	8	of	of	ADP
iogr-1334	163	9	the	the	DET
iogr-1334	163	10	sand	sand	NOUN
iogr-1334	163	11	was	be	AUX
iogr-1334	163	12	used	use	VERB
iogr-1334	163	13	to	to	PART
iogr-1334	163	14	determine	determine	VERB
iogr-1334	163	15	the	the	DET
iogr-1334	163	16	mass	mass	NOUN
iogr-1334	163	17	retained	retain	VERB
iogr-1334	163	18	and	and	CCONJ
iogr-1334	163	19	the	the	DET
iogr-1334	163	20	percentage	percentage	NOUN
iogr-1334	163	21	retained	retain	VERB
iogr-1334	163	22	of	of	ADP
iogr-1334	163	23	the	the	DET
iogr-1334	163	24	sand	sand	NOUN
iogr-1334	163	25	to	to	PART
iogr-1334	163	26	obtain	obtain	VERB
iogr-1334	163	27	the	the	DET
iogr-1334	163	28	particle	particle	NOUN
iogr-1334	163	29	size	size	NOUN
iogr-1334	163	30	distribution	distribution	NOUN
iogr-1334	163	31	of	of	ADP
iogr-1334	163	32	the	the	DET
iogr-1334	163	33	sand	sand	NOUN
iogr-1334	163	34	.	.	PUNCT
iogr-1334	164	1	the	the	DET
iogr-1334	164	2	cumulative	cumulative	ADJ
iogr-1334	164	3	percentage	percentage	NOUN
iogr-1334	164	4	of	of	ADP
iogr-1334	164	5	the	the	DET
iogr-1334	164	6	sand	sand	NOUN
iogr-1334	164	7	was	be	AUX
iogr-1334	164	8	retained	retain	VERB
iogr-1334	164	9	at	at	ADP
iogr-1334	164	10	100	100	NUM
iogr-1334	164	11	%	%	NOUN
iogr-1334	164	12	.	.	PUNCT
iogr-1334	165	1	table	table	NOUN
iogr-1334	165	2	2	2	NUM
iogr-1334	165	3	—	—	PUNCT
iogr-1334	165	4	sand	sand	NOUN
iogr-1334	165	5	sieve	sieve	NOUN
iogr-1334	165	6	test	test	NOUN
iogr-1334	165	7	for	for	ADP
iogr-1334	165	8	topaz	topaz	NOUN
iogr-1334	165	9	sand	sand	NOUN
iogr-1334	165	10	.	.	PUNCT
iogr-1334	166	1	sieve	sieve	NOUN
iogr-1334	166	2	number	number	NOUN
iogr-1334	166	3	sieve	sieve	NOUN
iogr-1334	166	4	size	size	NOUN
iogr-1334	166	5	(	(	PUNCT
iogr-1334	166	6	mm	mm	NOUN
iogr-1334	166	7	)	)	PUNCT
iogr-1334	166	8	mass	mass	NOUN
iogr-1334	166	9	retained	retain	VERB
iogr-1334	166	10	(	(	PUNCT
iogr-1334	166	11	𝑆𝑤	𝑆𝑤	PROPN
iogr-1334	166	12	)	)	PUNCT
iogr-1334	166	13	(	(	PUNCT
iogr-1334	166	14	g	g	NOUN
iogr-1334	166	15	)	)	PUNCT
iogr-1334	166	16	retained	retain	VERB
iogr-1334	166	17	on	on	ADP
iogr-1334	166	18	sieve	sieve	NOUN
iogr-1334	166	19	(	(	PUNCT
iogr-1334	166	20	𝑆𝑤	𝑆𝑤	PROPN
iogr-1334	166	21	×	×	NOUN
iogr-1334	166	22	100)/𝑇𝐷𝑆	100)/𝑇𝐷𝑆	NUM
iogr-1334	166	23	passing	passing	NOUN
iogr-1334	166	24	(	(	PUNCT
iogr-1334	166	25	%	%	INTJ
iogr-1334	166	26	)	)	PUNCT
iogr-1334	166	27	cumulative	cumulative	ADJ
iogr-1334	166	28	retained	retain	VERB
iogr-1334	166	29	(	(	PUNCT
iogr-1334	166	30	%	%	NOUN
iogr-1334	166	31	)	)	PUNCT
iogr-1334	166	32	16	16	NUM
iogr-1334	166	33	1.18	1.18	NUM
iogr-1334	166	34	0.00	0.00	NUM
iogr-1334	166	35	0.00	0.00	NUM
iogr-1334	166	36	100	100	NUM
iogr-1334	166	37	0.00	0.00	NUM
iogr-1334	166	38	20	20	NUM
iogr-1334	166	39	0.86	0.86	NUM
iogr-1334	166	40	56	56	NUM
iogr-1334	166	41	2.47	2.47	NUM
iogr-1334	166	42	97.53	97.53	NUM
iogr-1334	166	43	2.47	2.47	NUM
iogr-1334	166	44	25	25	NUM
iogr-1334	166	45	0.71	0.71	NUM
iogr-1334	166	46	281.91	281.91	NUM
iogr-1334	166	47	12.47	12.47	NUM
iogr-1334	166	48	85.06	85.06	NUM
iogr-1334	166	49	14.94	14.94	NUM
iogr-1334	166	50	30	30	NUM
iogr-1334	166	51	0.60	0.60	NUM
iogr-1334	166	52	862.34	862.34	NUM
iogr-1334	166	53	38.12	38.12	NUM
iogr-1334	166	54	46.94	46.94	NUM
iogr-1334	166	55	53.06	53.06	NUM
iogr-1334	166	56	35	35	NUM
iogr-1334	166	57	0.551	0.551	NUM
iogr-1334	166	58	951.83	951.83	NUM
iogr-1334	166	59	42.09	42.09	NUM
iogr-1334	166	60	4.85	4.85	NUM
iogr-1334	166	61	95.15	95.15	NUM
iogr-1334	166	62	40	40	NUM
iogr-1334	166	63	0.43	0.43	NUM
iogr-1334	166	64	110.00	110.00	NUM
iogr-1334	166	65	4.87	4.87	NUM
iogr-1334	166	66	0.00	0.00	NUM
iogr-1334	166	67	100	100	NUM
iogr-1334	166	68	pan	pan	NOUN
iogr-1334	166	69	0.00	0.00	NUM
iogr-1334	166	70	0.00	0.00	NUM
iogr-1334	166	71	0.00	0.00	NUM
iogr-1334	166	72	0.00	0.00	NUM
iogr-1334	166	73	*	*	PUNCT
iogr-1334	166	74	note	note	NOUN
iogr-1334	166	75	:	:	PUNCT
iogr-1334	166	76	total	total	ADJ
iogr-1334	166	77	dry	dry	ADJ
iogr-1334	166	78	sand	sand	NOUN
iogr-1334	166	79	(	(	PUNCT
iogr-1334	166	80	𝑇𝐷𝑆	𝑇𝐷𝑆	NOUN
iogr-1334	166	81	)	)	PUNCT
iogr-1334	166	82	of	of	ADP
iogr-1334	166	83	topaz	topaz	NOUN
iogr-1334	166	84	=	=	SYM
iogr-1334	166	85	2262	2262	NUM
iogr-1334	166	86	g	g	NOUN
iogr-1334	166	87	figures	figure	NOUN
iogr-1334	166	88	5	5	NUM
iogr-1334	166	89	and	and	CCONJ
iogr-1334	166	90	6	6	NUM
iogr-1334	166	91	depict	depict	VERB
iogr-1334	166	92	the	the	DET
iogr-1334	166	93	particle	particle	NOUN
iogr-1334	166	94	size	size	NOUN
iogr-1334	166	95	distribution	distribution	NOUN
iogr-1334	166	96	curves	curve	NOUN
iogr-1334	166	97	for	for	ADP
iogr-1334	166	98	quartz	quartz	NOUN
iogr-1334	166	99	and	and	CCONJ
iogr-1334	166	100	topaz	topaz	NOUN
iogr-1334	166	101	sands	sand	NOUN
iogr-1334	166	102	.	.	PUNCT
iogr-1334	167	1	both	both	DET
iogr-1334	167	2	sands	sand	NOUN
iogr-1334	167	3	exhibit	exhibit	VERB
iogr-1334	167	4	a	a	DET
iogr-1334	167	5	steep	steep	ADJ
iogr-1334	167	6	portion	portion	NOUN
iogr-1334	167	7	of	of	ADP
iogr-1334	167	8	the	the	DET
iogr-1334	167	9	curve	curve	NOUN
iogr-1334	167	10	between	between	ADP
iogr-1334	167	11	0.6	0.6	NUM
iogr-1334	167	12	mm	mm	NOUN
iogr-1334	167	13	and	and	CCONJ
iogr-1334	167	14	0.85	0.85	NUM
iogr-1334	167	15	mm	mm	NOUN
iogr-1334	167	16	,	,	PUNCT
iogr-1334	167	17	indicating	indicate	VERB
iogr-1334	167	18	that	that	SCONJ
iogr-1334	167	19	most	most	ADJ
iogr-1334	167	20	particles	particle	NOUN
iogr-1334	167	21	fall	fall	VERB
iogr-1334	167	22	within	within	ADP
iogr-1334	167	23	this	this	DET
iogr-1334	167	24	size	size	NOUN
iogr-1334	167	25	range	range	NOUN
iogr-1334	167	26	.	.	PUNCT
iogr-1334	168	1	this	this	DET
iogr-1334	168	2	uniformity	uniformity	NOUN
iogr-1334	168	3	aligns	align	VERB
iogr-1334	168	4	with	with	ADP
iogr-1334	168	5	the	the	DET
iogr-1334	168	6	studies	study	NOUN
iogr-1334	168	7	of	of	ADP
iogr-1334	168	8	heagy	heagy	PROPN
iogr-1334	168	9	et	et	PROPN
iogr-1334	168	10	al	al	PROPN
iogr-1334	168	11	.	.	PROPN
iogr-1334	169	1	(	(	PUNCT
iogr-1334	169	2	2014	2014	NUM
iogr-1334	169	3	)	)	PUNCT
iogr-1334	169	4	,	,	PUNCT
iogr-1334	169	5	which	which	PRON
iogr-1334	169	6	highlight	highlight	VERB
iogr-1334	169	7	the	the	DET
iogr-1334	169	8	importance	importance	NOUN
iogr-1334	169	9	of	of	ADP
iogr-1334	169	10	well	well	ADV
iogr-1334	169	11	-	-	PUNCT
iogr-1334	169	12	sorted	sort	VERB
iogr-1334	169	13	sands	sand	NOUN
iogr-1334	169	14	for	for	ADP
iogr-1334	169	15	effective	effective	ADJ
iogr-1334	169	16	proppant	proppant	NOUN
iogr-1334	169	17	performance	performance	NOUN
iogr-1334	169	18	in	in	ADP
iogr-1334	169	19	hydraulic	hydraulic	ADJ
iogr-1334	169	20	fracturing	fracturing	NOUN
iogr-1334	169	21	.	.	PUNCT
iogr-1334	170	1	the	the	DET
iogr-1334	170	2	flatter	flatter	ADJ
iogr-1334	170	3	regions	region	NOUN
iogr-1334	170	4	at	at	ADP
iogr-1334	170	5	the	the	DET
iogr-1334	170	6	extremes	extreme	NOUN
iogr-1334	170	7	suggest	suggest	VERB
iogr-1334	170	8	minimal	minimal	ADJ
iogr-1334	170	9	coarse	coarse	ADJ
iogr-1334	170	10	and	and	CCONJ
iogr-1334	170	11	fine	fine	ADJ
iogr-1334	170	12	particles	particle	NOUN
iogr-1334	170	13	,	,	PUNCT
iogr-1334	170	14	which	which	PRON
iogr-1334	170	15	are	be	AUX
iogr-1334	170	16	desirable	desirable	ADJ
iogr-1334	170	17	for	for	ADP
iogr-1334	170	18	maintaining	maintain	VERB
iogr-1334	170	19	consistent	consistent	ADJ
iogr-1334	170	20	fracture	fracture	NOUN
iogr-1334	170	21	conductivity	conductivity	NOUN
iogr-1334	170	22	as	as	SCONJ
iogr-1334	170	23	noted	note	VERB
iogr-1334	170	24	by	by	ADP
iogr-1334	170	25	guo	guo	PROPN
iogr-1334	170	26	and	and	CCONJ
iogr-1334	170	27	tan	tan	PROPN
iogr-1334	170	28	(	(	PUNCT
iogr-1334	170	29	2017	2017	NUM
iogr-1334	170	30	)	)	PUNCT
iogr-1334	170	31	.	.	PUNCT
iogr-1334	171	1	overall	overall	ADV
iogr-1334	171	2	,	,	PUNCT
iogr-1334	171	3	the	the	DET
iogr-1334	171	4	particle	particle	NOUN
iogr-1334	171	5	size	size	NOUN
iogr-1334	171	6	distribution	distribution	NOUN
iogr-1334	171	7	results	result	NOUN
iogr-1334	171	8	suggest	suggest	VERB
iogr-1334	171	9	that	that	SCONJ
iogr-1334	171	10	both	both	PRON
iogr-1334	171	11	quartz	quartz	NOUN
iogr-1334	171	12	and	and	CCONJ
iogr-1334	171	13	topaz	topaz	NOUN
iogr-1334	171	14	sands	sand	NOUN
iogr-1334	171	15	have	have	VERB
iogr-1334	171	16	potential	potential	ADJ
iogr-1334	171	17	as	as	ADP
iogr-1334	171	18	proppants	proppant	NOUN
iogr-1334	171	19	which	which	PRON
iogr-1334	171	20	is	be	AUX
iogr-1334	171	21	in	in	ADP
iogr-1334	171	22	consonance	consonance	NOUN
iogr-1334	171	23	with	with	ADP
iogr-1334	171	24	the	the	DET
iogr-1334	171	25	findings	finding	NOUN
iogr-1334	171	26	of	of	ADP
iogr-1334	171	27	zhang	zhang	PROPN
iogr-1334	171	28	et	et	PROPN
iogr-1334	171	29	al	al	PROPN
iogr-1334	171	30	.	.	PROPN
iogr-1334	172	1	(	(	PUNCT
iogr-1334	172	2	2020	2020	NUM
iogr-1334	172	3	)	)	PUNCT
iogr-1334	172	4	,	,	PUNCT
iogr-1334	172	5	who	who	PRON
iogr-1334	172	6	identified	identify	VERB
iogr-1334	172	7	mediumimproved	mediumimprove	VERB
iogr-1334	172	8	oil	oil	NOUN
iogr-1334	172	9	and	and	CCONJ
iogr-1334	172	10	gas	gas	NOUN
iogr-1334	172	11	recovery	recovery	NOUN
iogr-1334	172	12	8	8	NUM
iogr-1334	172	13	sized	size	VERB
iogr-1334	172	14	proppants	proppant	NOUN
iogr-1334	172	15	as	as	ADP
iogr-1334	172	16	optimal	optimal	ADJ
iogr-1334	172	17	for	for	ADP
iogr-1334	172	18	fracture	fracture	NOUN
iogr-1334	172	19	stability	stability	NOUN
iogr-1334	172	20	and	and	CCONJ
iogr-1334	172	21	hydrocarbon	hydrocarbon	NOUN
iogr-1334	172	22	flow	flow	NOUN
iogr-1334	172	23	.	.	PUNCT
iogr-1334	173	1	further	further	ADJ
iogr-1334	173	2	testing	testing	NOUN
iogr-1334	173	3	of	of	ADP
iogr-1334	173	4	other	other	ADJ
iogr-1334	173	5	properties	property	NOUN
iogr-1334	173	6	,	,	PUNCT
iogr-1334	173	7	such	such	ADJ
iogr-1334	173	8	as	as	ADP
iogr-1334	173	9	crush	crush	NOUN
iogr-1334	173	10	resistance	resistance	NOUN
iogr-1334	173	11	,	,	PUNCT
iogr-1334	173	12	is	be	AUX
iogr-1334	173	13	necessary	necessary	ADJ
iogr-1334	173	14	to	to	PART
iogr-1334	173	15	confirm	confirm	VERB
iogr-1334	173	16	their	their	PRON
iogr-1334	173	17	suitability	suitability	NOUN
iogr-1334	173	18	,	,	PUNCT
iogr-1334	173	19	as	as	SCONJ
iogr-1334	173	20	emphasized	emphasize	VERB
iogr-1334	173	21	by	by	ADP
iogr-1334	173	22	duchnowska	duchnowska	PROPN
iogr-1334	173	23	et	et	PROPN
iogr-1334	173	24	al	al	PROPN
iogr-1334	173	25	.	.	PROPN
iogr-1334	174	1	(	(	PUNCT
iogr-1334	174	2	2023	2023	NUM
iogr-1334	174	3	)	)	PUNCT
iogr-1334	174	4	.	.	PUNCT
iogr-1334	175	1	figure	figure	VERB
iogr-1334	175	2	5	5	NUM
iogr-1334	175	3	—	—	PUNCT
iogr-1334	175	4	percent	percent	NOUN
iogr-1334	175	5	passing	passing	NOUN
iogr-1334	175	6	(	(	PUNCT
iogr-1334	175	7	%	%	INTJ
iogr-1334	175	8	)	)	PUNCT
iogr-1334	175	9	against	against	ADP
iogr-1334	175	10	sieve	sieve	NOUN
iogr-1334	175	11	diameter	diameter	NOUN
iogr-1334	175	12	(	(	PUNCT
iogr-1334	175	13	mm	mm	NOUN
iogr-1334	175	14	)	)	PUNCT
iogr-1334	175	15	for	for	ADP
iogr-1334	175	16	quartz	quartz	NOUN
iogr-1334	175	17	sand	sand	NOUN
iogr-1334	175	18	.	.	PUNCT
iogr-1334	176	1	figure	figure	NOUN
iogr-1334	176	2	6	6	NUM
iogr-1334	176	3	—	—	PUNCT
iogr-1334	176	4	percentage	percentage	NOUN
iogr-1334	176	5	passing	passing	NOUN
iogr-1334	176	6	(	(	PUNCT
iogr-1334	176	7	%	%	INTJ
iogr-1334	176	8	)	)	PUNCT
iogr-1334	176	9	against	against	ADP
iogr-1334	176	10	sieve	sieve	NOUN
iogr-1334	176	11	size	size	NOUN
iogr-1334	176	12	(	(	PUNCT
iogr-1334	176	13	mm	mm	NOUN
iogr-1334	176	14	)	)	PUNCT
iogr-1334	176	15	for	for	ADP
iogr-1334	176	16	topaz	topaz	NOUN
iogr-1334	176	17	sand	sand	NOUN
iogr-1334	176	18	.	.	PUNCT
iogr-1334	177	1	sphericity	sphericity	NOUN
iogr-1334	177	2	and	and	CCONJ
iogr-1334	177	3	roundness	roundness	NOUN
iogr-1334	177	4	test	test	NOUN
iogr-1334	177	5	result	result	NOUN
iogr-1334	177	6	.	.	PUNCT
iogr-1334	178	1	tables	table	NOUN
iogr-1334	178	2	3	3	NUM
iogr-1334	178	3	and	and	CCONJ
iogr-1334	178	4	4	4	NUM
iogr-1334	178	5	present	present	VERB
iogr-1334	178	6	the	the	DET
iogr-1334	178	7	results	result	NOUN
iogr-1334	178	8	of	of	ADP
iogr-1334	178	9	the	the	DET
iogr-1334	178	10	quartz	quartz	NOUN
iogr-1334	178	11	and	and	CCONJ
iogr-1334	178	12	topaz	topaz	NOUN
iogr-1334	178	13	sand	sand	NOUN
iogr-1334	178	14	selected	select	VERB
iogr-1334	178	15	at	at	ADP
iogr-1334	178	16	random	random	ADJ
iogr-1334	178	17	for	for	ADP
iogr-1334	178	18	the	the	DET
iogr-1334	178	19	sphericity	sphericity	NOUN
iogr-1334	178	20	and	and	CCONJ
iogr-1334	178	21	roundness	roundness	NOUN
iogr-1334	178	22	test	test	NOUN
iogr-1334	178	23	.	.	PUNCT
iogr-1334	179	1	the	the	DET
iogr-1334	179	2	table	table	NOUN
iogr-1334	179	3	of	of	ADP
iogr-1334	179	4	the	the	DET
iogr-1334	179	5	results	result	NOUN
iogr-1334	179	6	showed	show	VERB
iogr-1334	179	7	that	that	SCONJ
iogr-1334	179	8	the	the	DET
iogr-1334	179	9	quartz	quartz	NOUN
iogr-1334	179	10	sand	sand	NOUN
iogr-1334	179	11	had	have	VERB
iogr-1334	179	12	sphericity	sphericity	NOUN
iogr-1334	179	13	of	of	ADP
iogr-1334	179	14	0.7	0.7	NUM
iogr-1334	179	15	which	which	PRON
iogr-1334	179	16	was	be	AUX
iogr-1334	179	17	obtained	obtain	VERB
iogr-1334	179	18	by	by	ADP
iogr-1334	179	19	dividing	divide	VERB
iogr-1334	179	20	the	the	DET
iogr-1334	179	21	total	total	ADJ
iogr-1334	179	22	sum	sum	NOUN
iogr-1334	179	23	by	by	ADP
iogr-1334	179	24	the	the	DET
iogr-1334	179	25	number	number	NOUN
iogr-1334	179	26	of	of	ADP
iogr-1334	179	27	samples	sample	NOUN
iogr-1334	179	28	.	.	PUNCT
iogr-1334	180	1	similarly	similarly	ADV
iogr-1334	180	2	,	,	PUNCT
iogr-1334	180	3	for	for	ADP
iogr-1334	180	4	the	the	DET
iogr-1334	180	5	topaz	topaz	NOUN
iogr-1334	180	6	sand	sand	NOUN
iogr-1334	180	7	,	,	PUNCT
iogr-1334	180	8	the	the	DET
iogr-1334	180	9	sphericity	sphericity	NOUN
iogr-1334	180	10	was	be	AUX
iogr-1334	180	11	0.7	0.7	NUM
iogr-1334	180	12	also	also	ADV
iogr-1334	180	13	obtained	obtain	VERB
iogr-1334	180	14	by	by	ADP
iogr-1334	180	15	the	the	DET
iogr-1334	180	16	average	average	NOUN
iogr-1334	180	17	of	of	ADP
iogr-1334	180	18	the	the	DET
iogr-1334	180	19	total	total	ADJ
iogr-1334	180	20	sum	sum	NOUN
iogr-1334	180	21	of	of	ADP
iogr-1334	180	22	samples	sample	NOUN
iogr-1334	180	23	divided	divide	VERB
iogr-1334	180	24	by	by	ADP
iogr-1334	180	25	the	the	DET
iogr-1334	180	26	number	number	NOUN
iogr-1334	180	27	of	of	ADP
iogr-1334	180	28	samples	sample	NOUN
iogr-1334	180	29	.	.	PUNCT
iogr-1334	181	1	the	the	DET
iogr-1334	181	2	results	result	NOUN
iogr-1334	181	3	agree	agree	VERB
iogr-1334	181	4	with	with	ADP
iogr-1334	181	5	both	both	CCONJ
iogr-1334	181	6	iso	iso	NOUN
iogr-1334	181	7	13503	13503	NUM
iogr-1334	181	8	-	-	SYM
iogr-1334	181	9	2	2	NUM
iogr-1334	181	10	and	and	CCONJ
iogr-1334	181	11	api	api	NOUN
iogr-1334	181	12	rp	rp	NOUN
iogr-1334	181	13	56	56	NUM
iogr-1334	181	14	,	,	PUNCT
iogr-1334	181	15	which	which	PRON
iogr-1334	181	16	specify	specify	VERB
iogr-1334	181	17	a	a	DET
iogr-1334	181	18	sphericity	sphericity	NOUN
iogr-1334	181	19	of	of	ADP
iogr-1334	181	20	≥	≥	NOUN
iogr-1334	181	21	0.6	0.6	NUM
iogr-1334	181	22	.	.	PUNCT
iogr-1334	182	1	the	the	DET
iogr-1334	182	2	sphericity	sphericity	NOUN
iogr-1334	182	3	results	result	VERB
iogr-1334	182	4	of	of	ADP
iogr-1334	182	5	0.62	0.62	NUM
iogr-1334	182	6	from	from	ADP
iogr-1334	182	7	kamel	kamel	PROPN
iogr-1334	182	8	et	et	PROPN
iogr-1334	182	9	al	al	PROPN
iogr-1334	182	10	.	.	PROPN
iogr-1334	183	1	(	(	PUNCT
iogr-1334	183	2	2019	2019	NUM
iogr-1334	183	3	)	)	PUNCT
iogr-1334	183	4	are	be	AUX
iogr-1334	183	5	consistent	consistent	ADJ
iogr-1334	183	6	with	with	ADP
iogr-1334	183	7	the	the	DET
iogr-1334	183	8	current	current	ADJ
iogr-1334	183	9	study	study	NOUN
iogr-1334	183	10	.	.	PUNCT
iogr-1334	184	1	according	accord	VERB
iogr-1334	184	2	to	to	ADP
iogr-1334	184	3	api	api	NOUN
iogr-1334	184	4	/	/	SYM
iogr-1334	184	5	iso	iso	NOUN
iogr-1334	184	6	standards	standard	NOUN
iogr-1334	184	7	,	,	PUNCT
iogr-1334	184	8	the	the	DET
iogr-1334	184	9	recommended	recommend	VERB
iogr-1334	184	10	best	good	ADJ
iogr-1334	184	11	practice	practice	NOUN
iogr-1334	184	12	is	be	AUX
iogr-1334	184	13	for	for	SCONJ
iogr-1334	184	14	sand	sand	NOUN
iogr-1334	184	15	samples	sample	NOUN
iogr-1334	184	16	to	to	PART
iogr-1334	184	17	have	have	VERB
iogr-1334	184	18	a	a	DET
iogr-1334	184	19	sphericity	sphericity	NOUN
iogr-1334	184	20	and	and	CCONJ
iogr-1334	184	21	roundness	roundness	NOUN
iogr-1334	184	22	of	of	ADP
iogr-1334	184	23	≥	≥	NOUN
iogr-1334	184	24	0.6	0.6	NUM
iogr-1334	184	25	to	to	PART
iogr-1334	184	26	be	be	AUX
iogr-1334	184	27	suitable	suitable	ADJ
iogr-1334	184	28	as	as	ADP
iogr-1334	184	29	proppants	proppant	NOUN
iogr-1334	184	30	.	.	PUNCT
iogr-1334	185	1	table	table	NOUN
iogr-1334	185	2	5	5	NUM
iogr-1334	185	3	presents	present	VERB
iogr-1334	185	4	the	the	DET
iogr-1334	185	5	average	average	ADJ
iogr-1334	185	6	comparison	comparison	NOUN
iogr-1334	185	7	of	of	ADP
iogr-1334	185	8	quartz	quartz	NOUN
iogr-1334	185	9	and	and	CCONJ
iogr-1334	185	10	topaz	topaz	NOUN
iogr-1334	185	11	sands	sand	NOUN
iogr-1334	185	12	,	,	PUNCT
iogr-1334	185	13	indicating	indicate	VERB
iogr-1334	185	14	an	an	DET
iogr-1334	185	15	average	average	ADJ
iogr-1334	185	16	roundness	roundness	NOUN
iogr-1334	185	17	of	of	ADP
iogr-1334	185	18	0.7	0.7	NUM
iogr-1334	185	19	.	.	NOUN
iogr-1334	185	20	0	0	NUM
iogr-1334	185	21	20	20	NUM
iogr-1334	185	22	40	40	NUM
iogr-1334	185	23	60	60	NUM
iogr-1334	185	24	80	80	NUM
iogr-1334	185	25	100	100	NUM
iogr-1334	185	26	120	120	NUM
iogr-1334	185	27	0.1	0.1	NUM
iogr-1334	185	28	1	1	NUM
iogr-1334	185	29	10	10	NUM
iogr-1334	185	30	p	p	NOUN
iogr-1334	185	31	er	er	INTJ
iogr-1334	185	32	ce	ce	PROPN
iogr-1334	185	33	n	n	PROPN
iogr-1334	185	34	t	t	PROPN
iogr-1334	185	35	p	p	PROPN
iogr-1334	185	36	as	as	ADP
iogr-1334	185	37	si	si	PROPN
iogr-1334	185	38	n	n	CCONJ
iogr-1334	185	39	g	g	PROPN
iogr-1334	185	40	(	(	PUNCT
iogr-1334	185	41	%	%	NOUN
iogr-1334	185	42	)	)	PUNCT
iogr-1334	185	43	sieve	sieve	NOUN
iogr-1334	185	44	diameter	diameter	NOUN
iogr-1334	185	45	(	(	PUNCT
iogr-1334	185	46	mm	mm	NOUN
iogr-1334	185	47	)	)	PUNCT
iogr-1334	185	48	0	0	NUM
iogr-1334	185	49	20	20	NUM
iogr-1334	185	50	40	40	NUM
iogr-1334	185	51	60	60	NUM
iogr-1334	185	52	80	80	NUM
iogr-1334	185	53	100	100	NUM
iogr-1334	185	54	120	120	NUM
iogr-1334	185	55	0.1	0.1	NUM
iogr-1334	185	56	1	1	NUM
iogr-1334	185	57	10	10	NUM
iogr-1334	185	58	p	p	NOUN
iogr-1334	185	59	er	er	INTJ
iogr-1334	185	60	ce	ce	PROPN
iogr-1334	185	61	n	n	PROPN
iogr-1334	185	62	t	t	PROPN
iogr-1334	185	63	p	p	PROPN
iogr-1334	185	64	as	as	ADP
iogr-1334	185	65	si	si	PROPN
iogr-1334	185	66	n	n	CCONJ
iogr-1334	185	67	g	g	PROPN
iogr-1334	185	68	(	(	PUNCT
iogr-1334	185	69	%	%	NOUN
iogr-1334	185	70	)	)	PUNCT
iogr-1334	185	71	sieve	sieve	NOUN
iogr-1334	185	72	diameter	diameter	NOUN
iogr-1334	185	73	(	(	PUNCT
iogr-1334	185	74	mm	mm	NOUN
iogr-1334	185	75	)	)	PUNCT
iogr-1334	185	76	improved	improve	VERB
iogr-1334	185	77	oil	oil	NOUN
iogr-1334	185	78	and	and	CCONJ
iogr-1334	185	79	gas	gas	NOUN
iogr-1334	185	80	recovery	recovery	NOUN
iogr-1334	185	81	9	9	NUM
iogr-1334	185	82	table	table	NOUN
iogr-1334	185	83	3	3	NUM
iogr-1334	185	84	—	—	PUNCT
iogr-1334	185	85	sphericity	sphericity	NOUN
iogr-1334	185	86	and	and	CCONJ
iogr-1334	185	87	roundness	roundness	NOUN
iogr-1334	185	88	for	for	ADP
iogr-1334	185	89	quartz	quartz	NOUN
iogr-1334	185	90	sand	sand	NOUN
iogr-1334	185	91	(	(	PUNCT
iogr-1334	185	92	20/40	20/40	NUM
iogr-1334	185	93	mesh	mesh	NOUN
iogr-1334	185	94	size	size	NOUN
iogr-1334	185	95	)	)	PUNCT
iogr-1334	185	96	.	.	PUNCT
iogr-1334	186	1	sample	sample	NOUN
iogr-1334	186	2	code	code	NOUN
iogr-1334	186	3	number	number	NOUN
iogr-1334	186	4	quartz	quartz	NOUN
iogr-1334	186	5	sand	sand	NOUN
iogr-1334	186	6	sample	sample	NOUN
iogr-1334	186	7	code	code	NOUN
iogr-1334	186	8	number	number	NOUN
iogr-1334	186	9	quartz	quartz	NOUN
iogr-1334	186	10	sand	sand	NOUN
iogr-1334	186	11	sphericity	sphericity	NOUN
iogr-1334	186	12	roundness	roundness	NOUN
iogr-1334	186	13	sphericity	sphericity	PROPN
iogr-1334	186	14	roundness	roundness	NOUN
iogr-1334	186	15	qs	q	VERB
iogr-1334	186	16	1	1	NUM
iogr-1334	186	17	0.9	0.9	NUM
iogr-1334	186	18	0.5	0.5	NUM
iogr-1334	186	19	qs11	qs11	PROPN
iogr-1334	187	1	0.8	0.8	NUM
iogr-1334	187	2	0.7	0.7	NUM
iogr-1334	187	3	qs	qs	NOUN
iogr-1334	187	4	2	2	NUM
iogr-1334	187	5	0.7	0.7	NUM
iogr-1334	187	6	0.7	0.7	NUM
iogr-1334	187	7	qs12	qs12	PROPN
iogr-1334	187	8	0.6	0.6	NUM
iogr-1334	187	9	0.5	0.5	NUM
iogr-1334	187	10	qs	qs	NOUN
iogr-1334	187	11	3	3	NUM
iogr-1334	187	12	0.8	0.8	NUM
iogr-1334	187	13	05	05	NUM
iogr-1334	188	1	qs13	qs13	PROPN
iogr-1334	188	2	0.5	0.5	NUM
iogr-1334	188	3	0.7	0.7	NUM
iogr-1334	188	4	qs	qs	NOUN
iogr-1334	188	5	4	4	NUM
iogr-1334	188	6	0.9	0.9	NUM
iogr-1334	188	7	0.6	0.6	NUM
iogr-1334	188	8	qs14	qs14	NOUN
iogr-1334	188	9	0.7	0.7	NUM
iogr-1334	188	10	0.8	0.8	NUM
iogr-1334	188	11	qs	qs	NOUN
iogr-1334	188	12	5	5	NUM
iogr-1334	188	13	0.7	0.7	NUM
iogr-1334	188	14	0.9	0.9	NUM
iogr-1334	189	1	qs15	qs15	PROPN
iogr-1334	189	2	0.9	0.9	NUM
iogr-1334	189	3	0.9	0.9	NUM
iogr-1334	189	4	qs	qs	ADP
iogr-1334	189	5	6	6	NUM
iogr-1334	189	6	0.9	0.9	NUM
iogr-1334	189	7	0.7	0.7	NUM
iogr-1334	189	8	qs16	qs16	PROPN
iogr-1334	189	9	0.5	0.5	NUM
iogr-1334	189	10	0.9	0.9	NUM
iogr-1334	189	11	qs	q	VERB
iogr-1334	189	12	7	7	NUM
iogr-1334	189	13	0.9	0.9	NUM
iogr-1334	189	14	0.7	0.7	NUM
iogr-1334	189	15	qs17	qs17	PROPN
iogr-1334	189	16	0.7	0.7	NUM
iogr-1334	189	17	0.5	0.5	NUM
iogr-1334	189	18	qs	qs	NOUN
iogr-1334	189	19	8	8	NUM
iogr-1334	189	20	0.5	0.5	NUM
iogr-1334	189	21	0.9	0.9	NUM
iogr-1334	189	22	qs18	qs18	PROPN
iogr-1334	189	23	0.6	0.6	NUM
iogr-1334	189	24	0.6	0.6	NUM
iogr-1334	189	25	qs	qs	ADP
iogr-1334	189	26	9	9	NUM
iogr-1334	189	27	0.6	0.6	NUM
iogr-1334	189	28	0.8	0.8	NUM
iogr-1334	189	29	qs19	qs19	PROPN
iogr-1334	189	30	0.6	0.6	NUM
iogr-1334	189	31	0.7	0.7	NUM
iogr-1334	189	32	qs	qs	PROPN
iogr-1334	189	33	10	10	NUM
iogr-1334	189	34	0.7	0.7	NUM
iogr-1334	189	35	0.6	0.6	NUM
iogr-1334	189	36	qs20	qs20	PROPN
iogr-1334	189	37	0.5	0.5	NUM
iogr-1334	189	38	0.8	0.8	NUM
iogr-1334	189	39	table	table	NOUN
iogr-1334	189	40	4	4	NUM
iogr-1334	189	41	—	—	PUNCT
iogr-1334	189	42	sphericity	sphericity	NOUN
iogr-1334	189	43	and	and	CCONJ
iogr-1334	189	44	roundness	roundness	NOUN
iogr-1334	189	45	for	for	ADP
iogr-1334	189	46	topaz	topaz	NOUN
iogr-1334	189	47	sand	sand	NOUN
iogr-1334	189	48	(	(	PUNCT
iogr-1334	189	49	20/40	20/40	NUM
iogr-1334	189	50	mesh	mesh	NOUN
iogr-1334	189	51	size	size	NOUN
iogr-1334	189	52	)	)	PUNCT
iogr-1334	189	53	.	.	PUNCT
iogr-1334	190	1	sample	sample	NOUN
iogr-1334	190	2	code	code	NOUN
iogr-1334	190	3	number	number	NOUN
iogr-1334	190	4	topaz	topaz	NOUN
iogr-1334	190	5	sand	sand	NOUN
iogr-1334	190	6	sample	sample	NOUN
iogr-1334	190	7	code	code	NOUN
iogr-1334	190	8	number	number	NOUN
iogr-1334	190	9	topaz	topaz	NOUN
iogr-1334	190	10	sand	sand	NOUN
iogr-1334	190	11	sphericity	sphericity	NOUN
iogr-1334	190	12	roundness	roundness	NOUN
iogr-1334	190	13	sphericity	sphericity	PROPN
iogr-1334	190	14	roundness	roundness	NOUN
iogr-1334	190	15	ts	ts	ADP
iogr-1334	190	16	1	1	NUM
iogr-1334	190	17	0.9	0.9	NUM
iogr-1334	190	18	0.7	0.7	NUM
iogr-1334	190	19	ts11	ts11	PROPN
iogr-1334	190	20	0.6	0.6	NUM
iogr-1334	190	21	0.8	0.8	NUM
iogr-1334	190	22	ts	ts	ADP
iogr-1334	190	23	2	2	NUM
iogr-1334	190	24	0.8	0.8	NUM
iogr-1334	190	25	0.8	0.8	NUM
iogr-1334	190	26	ts12	ts12	PROPN
iogr-1334	190	27	0.5	0.5	NUM
iogr-1334	190	28	0.7	0.7	NUM
iogr-1334	191	1	ts	ts	ADP
iogr-1334	191	2	3	3	NUM
iogr-1334	191	3	0.8	0.8	NUM
iogr-1334	191	4	0.6	0.6	NUM
iogr-1334	191	5	ts13	ts13	PROPN
iogr-1334	191	6	0.8	0.8	NUM
iogr-1334	191	7	0.7	0.7	NUM
iogr-1334	191	8	ts	ts	ADP
iogr-1334	191	9	4	4	NUM
iogr-1334	191	10	0.9	0.9	NUM
iogr-1334	191	11	0.6	0.6	NUM
iogr-1334	191	12	ts14	ts14	PROPN
iogr-1334	191	13	0.6	0.6	NUM
iogr-1334	191	14	0.8	0.8	NUM
iogr-1334	191	15	ts	ts	ADP
iogr-1334	191	16	5	5	NUM
iogr-1334	191	17	0.7	0.7	NUM
iogr-1334	191	18	0.7	0.7	NUM
iogr-1334	191	19	ts15	ts15	NOUN
iogr-1334	191	20	0.7	0.7	NUM
iogr-1334	191	21	0.8	0.8	NUM
iogr-1334	191	22	ts	ts	ADP
iogr-1334	191	23	6	6	NUM
iogr-1334	191	24	0.6	0.6	NUM
iogr-1334	191	25	0.8	0.8	NUM
iogr-1334	191	26	ts16	ts16	PROPN
iogr-1334	191	27	0.7	0.7	NUM
iogr-1334	191	28	0.6	0.6	NUM
iogr-1334	191	29	ts	ts	ADP
iogr-1334	191	30	7	7	NUM
iogr-1334	191	31	0.5	0.5	NUM
iogr-1334	191	32	0.5	0.5	NUM
iogr-1334	191	33	ts17	ts17	PROPN
iogr-1334	191	34	0.5	0.5	NUM
iogr-1334	191	35	0.8	0.8	NUM
iogr-1334	191	36	ts	ts	ADP
iogr-1334	191	37	8	8	NUM
iogr-1334	191	38	0.9	0.9	NUM
iogr-1334	191	39	0.8	0.8	NUM
iogr-1334	192	1	ts18	ts18	PROPN
iogr-1334	192	2	0.9	0.9	NUM
iogr-1334	192	3	0.7	0.7	NUM
iogr-1334	192	4	ts	ts	ADP
iogr-1334	192	5	9	9	NUM
iogr-1334	192	6	0.7	0.7	NUM
iogr-1334	192	7	0.7	0.7	NUM
iogr-1334	192	8	ts19	ts19	PROPN
iogr-1334	192	9	0.8	0.8	NUM
iogr-1334	192	10	0.6	0.6	NUM
iogr-1334	192	11	ts	ts	ADP
iogr-1334	192	12	10	10	NUM
iogr-1334	192	13	0.6	0.6	NUM
iogr-1334	192	14	0.7	0.7	NUM
iogr-1334	192	15	ts20	ts20	PROPN
iogr-1334	192	16	0.5	0.5	NUM
iogr-1334	192	17	0.6	0.6	NUM
iogr-1334	192	18	table	table	NOUN
iogr-1334	192	19	5	5	NUM
iogr-1334	192	20	—	—	PUNCT
iogr-1334	192	21	average	average	ADJ
iogr-1334	192	22	sphericity	sphericity	NOUN
iogr-1334	192	23	and	and	CCONJ
iogr-1334	192	24	roundness	roundness	NOUN
iogr-1334	192	25	for	for	ADP
iogr-1334	192	26	quartz	quartz	NOUN
iogr-1334	192	27	and	and	CCONJ
iogr-1334	192	28	topaz	topaz	NOUN
iogr-1334	192	29	sand	sand	NOUN
iogr-1334	192	30	.	.	PUNCT
iogr-1334	193	1	parameters	parameter	NOUN
iogr-1334	193	2	quartz	quartz	NOUN
iogr-1334	193	3	sand	sand	NOUN
iogr-1334	193	4	topaz	topaz	NOUN
iogr-1334	193	5	sand	sand	NOUN
iogr-1334	193	6	sphericity	sphericity	NOUN
iogr-1334	193	7	0.7	0.7	NUM
iogr-1334	193	8	0.7	0.7	NUM
iogr-1334	193	9	roundness	roundness	NOUN
iogr-1334	193	10	0.7	0.7	NUM
iogr-1334	193	11	0.7	0.7	NUM
iogr-1334	193	12	improved	improved	ADJ
iogr-1334	193	13	oil	oil	NOUN
iogr-1334	193	14	and	and	CCONJ
iogr-1334	193	15	gas	gas	NOUN
iogr-1334	193	16	recovery	recovery	NOUN
iogr-1334	193	17	10	10	NUM
iogr-1334	193	18	turbidity	turbidity	NOUN
iogr-1334	193	19	result	result	NOUN
iogr-1334	193	20	.	.	PUNCT
iogr-1334	194	1	table	table	NOUN
iogr-1334	194	2	6	6	NUM
iogr-1334	194	3	shows	show	VERB
iogr-1334	194	4	that	that	SCONJ
iogr-1334	194	5	the	the	DET
iogr-1334	194	6	turbidity	turbidity	NOUN
iogr-1334	194	7	for	for	ADP
iogr-1334	194	8	quartz	quartz	NOUN
iogr-1334	194	9	sand	sand	NOUN
iogr-1334	194	10	was	be	AUX
iogr-1334	194	11	2.8	2.8	NUM
iogr-1334	194	12	ntu	ntu	NOUN
iogr-1334	194	13	,	,	PUNCT
iogr-1334	194	14	while	while	SCONJ
iogr-1334	194	15	for	for	ADP
iogr-1334	194	16	topaz	topaz	NOUN
iogr-1334	194	17	sand	sand	NOUN
iogr-1334	194	18	was	be	AUX
iogr-1334	194	19	3.83	3.83	NUM
iogr-1334	194	20	ntu	ntu	NOUN
iogr-1334	194	21	.	.	PUNCT
iogr-1334	195	1	although	although	SCONJ
iogr-1334	195	2	liang	liang	PROPN
iogr-1334	195	3	et	et	PROPN
iogr-1334	195	4	al	al	PROPN
iogr-1334	195	5	.	.	PROPN
iogr-1334	196	1	(	(	PUNCT
iogr-1334	196	2	2016	2016	NUM
iogr-1334	196	3	)	)	PUNCT
iogr-1334	196	4	reported	report	VERB
iogr-1334	196	5	a	a	DET
iogr-1334	196	6	slightly	slightly	ADV
iogr-1334	196	7	higher	high	ADJ
iogr-1334	196	8	turbidity	turbidity	NOUN
iogr-1334	196	9	value	value	NOUN
iogr-1334	196	10	of	of	ADP
iogr-1334	196	11	7.45	7.45	NUM
iogr-1334	196	12	ntu	ntu	NOUN
iogr-1334	196	13	,	,	PUNCT
iogr-1334	196	14	which	which	PRON
iogr-1334	196	15	exceeds	exceed	VERB
iogr-1334	196	16	the	the	DET
iogr-1334	196	17	values	value	NOUN
iogr-1334	196	18	found	find	VERB
iogr-1334	196	19	in	in	ADP
iogr-1334	196	20	the	the	DET
iogr-1334	196	21	present	present	ADJ
iogr-1334	196	22	work	work	NOUN
iogr-1334	196	23	,	,	PUNCT
iogr-1334	196	24	all	all	DET
iogr-1334	196	25	results	result	NOUN
iogr-1334	196	26	meet	meet	VERB
iogr-1334	196	27	the	the	DET
iogr-1334	196	28	accepted	accept	VERB
iogr-1334	196	29	limit	limit	NOUN
iogr-1334	196	30	set	set	VERB
iogr-1334	196	31	by	by	ADP
iogr-1334	196	32	api	api	NOUN
iogr-1334	196	33	rp	rp	PROPN
iogr-1334	196	34	56	56	NUM
iogr-1334	196	35	and	and	CCONJ
iogr-1334	196	36	iso	iso	NOUN
iogr-1334	196	37	13503	13503	NUM
iogr-1334	196	38	-	-	SYM
iogr-1334	196	39	2	2	NUM
iogr-1334	196	40	(	(	PUNCT
iogr-1334	196	41	<	<	NOUN
iogr-1334	196	42	250	250	NUM
iogr-1334	196	43	ntu	ntu	NOUN
iogr-1334	196	44	)	)	PUNCT
iogr-1334	196	45	.	.	PUNCT
iogr-1334	197	1	both	both	PRON
iogr-1334	197	2	quartz	quartz	NOUN
iogr-1334	197	3	and	and	CCONJ
iogr-1334	197	4	topaz	topaz	NOUN
iogr-1334	197	5	sand	sand	NOUN
iogr-1334	197	6	recorded	record	VERB
iogr-1334	197	7	a	a	DET
iogr-1334	197	8	small	small	ADJ
iogr-1334	197	9	number	number	NOUN
iogr-1334	197	10	of	of	ADP
iogr-1334	197	11	suspended	suspend	VERB
iogr-1334	197	12	particles	particle	NOUN
iogr-1334	197	13	making	make	VERB
iogr-1334	197	14	them	they	PRON
iogr-1334	197	15	suitable	suitable	ADJ
iogr-1334	197	16	for	for	ADP
iogr-1334	197	17	use	use	NOUN
iogr-1334	197	18	as	as	ADP
iogr-1334	197	19	proppants	proppant	NOUN
iogr-1334	197	20	.	.	PUNCT
iogr-1334	198	1	table	table	NOUN
iogr-1334	198	2	6	6	NUM
iogr-1334	198	3	—	—	PUNCT
iogr-1334	198	4	turbidity	turbidity	NOUN
iogr-1334	198	5	of	of	ADP
iogr-1334	198	6	quartz	quartz	NOUN
iogr-1334	198	7	and	and	CCONJ
iogr-1334	198	8	topaz	topaz	NOUN
iogr-1334	198	9	sand	sand	NOUN
iogr-1334	198	10	.	.	PUNCT
iogr-1334	199	1	sample	sample	NOUN
iogr-1334	199	2	turbidity	turbidity	NOUN
iogr-1334	199	3	(	(	PUNCT
iogr-1334	199	4	ntu	ntu	PROPN
iogr-1334	199	5	)	)	PUNCT
iogr-1334	199	6	sample	sample	NOUN
iogr-1334	199	7	turbidity	turbidity	NOUN
iogr-1334	199	8	(	(	PUNCT
iogr-1334	199	9	ntu	ntu	NOUN
iogr-1334	199	10	)	)	PUNCT
iogr-1334	199	11	distilled	distil	VERB
iogr-1334	199	12	water	water	NOUN
iogr-1334	199	13	0.42	0.42	NUM
iogr-1334	199	14	distilled	distil	VERB
iogr-1334	199	15	water	water	NOUN
iogr-1334	199	16	0.42	0.42	NUM
iogr-1334	199	17	distilled	distil	VERB
iogr-1334	199	18	water	water	NOUN
iogr-1334	199	19	+	+	CCONJ
iogr-1334	199	20	quartz	quartz	NOUN
iogr-1334	199	21	sand	sand	NOUN
iogr-1334	199	22	3.22	3.22	NUM
iogr-1334	199	23	distilled	distil	VERB
iogr-1334	199	24	water	water	NOUN
iogr-1334	199	25	+	+	CCONJ
iogr-1334	199	26	topaz	topaz	NOUN
iogr-1334	199	27	sand	sand	VERB
iogr-1334	199	28	4.25	4.25	NUM
iogr-1334	199	29	quartz	quartz	NOUN
iogr-1334	199	30	sand	sand	NOUN
iogr-1334	199	31	2.80	2.80	NUM
iogr-1334	199	32	topaz	topaz	NOUN
iogr-1334	199	33	sand	sand	VERB
iogr-1334	199	34	3.83	3.83	NUM
iogr-1334	199	35	bulk	bulk	ADJ
iogr-1334	199	36	density	density	NOUN
iogr-1334	199	37	result	result	NOUN
iogr-1334	199	38	.	.	PUNCT
iogr-1334	200	1	table	table	NOUN
iogr-1334	200	2	7	7	NUM
iogr-1334	200	3	presents	present	VERB
iogr-1334	200	4	the	the	DET
iogr-1334	200	5	bulk	bulk	ADJ
iogr-1334	200	6	density	density	NOUN
iogr-1334	200	7	results	result	NOUN
iogr-1334	200	8	,	,	PUNCT
iogr-1334	200	9	which	which	PRON
iogr-1334	200	10	are	be	AUX
iogr-1334	200	11	1.24	1.24	NUM
iogr-1334	200	12	(	(	PUNCT
iogr-1334	200	13	𝑔	𝑔	PROPN
iogr-1334	200	14	𝑐𝑚3	𝑐𝑚3	PROPN
iogr-1334	200	15	)	)	PUNCT
iogr-1334	200	16	and	and	CCONJ
iogr-1334	200	17	1.28	1.28	NUM
iogr-1334	200	18	(	(	PUNCT
iogr-1334	200	19	𝑔	𝑔	PROPN
iogr-1334	200	20	𝑐𝑚3	𝑐𝑚3	PROPN
iogr-1334	200	21	)	)	PUNCT
iogr-1334	200	22	for	for	ADP
iogr-1334	200	23	the	the	DET
iogr-1334	200	24	two	two	NUM
iogr-1334	200	25	sands	sand	NOUN
iogr-1334	200	26	.	.	PUNCT
iogr-1334	201	1	these	these	DET
iogr-1334	201	2	results	result	NOUN
iogr-1334	201	3	indicate	indicate	VERB
iogr-1334	201	4	that	that	SCONJ
iogr-1334	201	5	both	both	DET
iogr-1334	201	6	sands	sand	NOUN
iogr-1334	201	7	comply	comply	VERB
iogr-1334	201	8	with	with	ADP
iogr-1334	201	9	the	the	DET
iogr-1334	201	10	iso	iso	PROPN
iogr-1334	201	11	13503−2	13503−2	NUM
iogr-1334	201	12	standard	standard	NOUN
iogr-1334	201	13	,	,	PUNCT
iogr-1334	201	14	which	which	PRON
iogr-1334	201	15	requires	require	VERB
iogr-1334	201	16	a	a	DET
iogr-1334	201	17	bulk	bulk	ADJ
iogr-1334	201	18	density	density	NOUN
iogr-1334	201	19	of	of	ADP
iogr-1334	201	20	less	less	ADJ
iogr-1334	201	21	than	than	ADP
iogr-1334	201	22	2.0	2.0	NUM
iogr-1334	201	23	(	(	PUNCT
iogr-1334	201	24	𝑔	𝑔	PROPN
iogr-1334	201	25	𝑐𝑚3	𝑐𝑚3	PROPN
iogr-1334	201	26	)	)	PUNCT
iogr-1334	201	27	.	.	PUNCT
iogr-1334	202	1	moreover	moreover	ADV
iogr-1334	202	2	,	,	PUNCT
iogr-1334	202	3	the	the	DET
iogr-1334	202	4	work	work	NOUN
iogr-1334	202	5	of	of	ADP
iogr-1334	202	6	zwalatha	zwalatha	PROPN
iogr-1334	202	7	et	et	PROPN
iogr-1334	202	8	al	al	PROPN
iogr-1334	202	9	.	.	PROPN
iogr-1334	203	1	(	(	PUNCT
iogr-1334	203	2	2024	2024	NUM
iogr-1334	203	3	)	)	PUNCT
iogr-1334	203	4	reported	report	VERB
iogr-1334	203	5	that	that	SCONJ
iogr-1334	203	6	proppants	proppant	NOUN
iogr-1334	203	7	with	with	ADP
iogr-1334	203	8	high	high	ADJ
iogr-1334	203	9	bulk	bulk	ADJ
iogr-1334	203	10	density	density	NOUN
iogr-1334	203	11	are	be	AUX
iogr-1334	203	12	not	not	PART
iogr-1334	203	13	easily	easily	ADV
iogr-1334	203	14	transported	transport	VERB
iogr-1334	203	15	with	with	ADP
iogr-1334	203	16	fracturing	fracturing	NOUN
iogr-1334	203	17	fluids	fluid	NOUN
iogr-1334	203	18	.	.	PUNCT
iogr-1334	204	1	the	the	DET
iogr-1334	204	2	proppants	proppant	NOUN
iogr-1334	204	3	could	could	AUX
iogr-1334	204	4	be	be	AUX
iogr-1334	204	5	prone	prone	ADJ
iogr-1334	204	6	to	to	PART
iogr-1334	204	7	settle	settle	VERB
iogr-1334	204	8	in	in	ADP
iogr-1334	204	9	the	the	DET
iogr-1334	204	10	wellbore	wellbore	NOUN
iogr-1334	204	11	even	even	ADV
iogr-1334	204	12	before	before	ADP
iogr-1334	204	13	reaching	reach	VERB
iogr-1334	204	14	into	into	ADP
iogr-1334	204	15	hydraulic	hydraulic	ADJ
iogr-1334	204	16	fractures	fracture	NOUN
iogr-1334	204	17	.	.	PUNCT
iogr-1334	205	1	however	however	ADV
iogr-1334	205	2	,	,	PUNCT
iogr-1334	205	3	the	the	DET
iogr-1334	205	4	good	good	ADJ
iogr-1334	205	5	thing	thing	NOUN
iogr-1334	205	6	about	about	ADP
iogr-1334	205	7	the	the	DET
iogr-1334	205	8	quartz	quartz	NOUN
iogr-1334	205	9	sand	sand	NOUN
iogr-1334	205	10	and	and	CCONJ
iogr-1334	205	11	topaz	topaz	NOUN
iogr-1334	205	12	sand	sand	NOUN
iogr-1334	205	13	is	be	AUX
iogr-1334	205	14	the	the	DET
iogr-1334	205	15	low	low	ADJ
iogr-1334	205	16	bulk	bulk	ADJ
iogr-1334	205	17	density	density	NOUN
iogr-1334	205	18	value	value	NOUN
iogr-1334	205	19	which	which	PRON
iogr-1334	205	20	makes	make	VERB
iogr-1334	205	21	them	they	PRON
iogr-1334	205	22	suitable	suitable	ADJ
iogr-1334	205	23	for	for	ADP
iogr-1334	205	24	hydraulic	hydraulic	ADJ
iogr-1334	205	25	fracturing	fracturing	NOUN
iogr-1334	205	26	operation	operation	NOUN
iogr-1334	205	27	.	.	PUNCT
iogr-1334	206	1	table	table	NOUN
iogr-1334	206	2	7	7	NUM
iogr-1334	206	3	—	—	PUNCT
iogr-1334	206	4	bulk	bulk	ADJ
iogr-1334	206	5	density	density	NOUN
iogr-1334	206	6	result	result	NOUN
iogr-1334	206	7	.	.	PUNCT
iogr-1334	207	1	sample	sample	NOUN
iogr-1334	207	2	code	code	NOUN
iogr-1334	207	3	number	number	NOUN
iogr-1334	207	4	bulk	bulk	NOUN
iogr-1334	207	5	mass	mass	NOUN
iogr-1334	207	6	(	(	PUNCT
iogr-1334	207	7	g	g	NOUN
iogr-1334	207	8	)	)	PUNCT
iogr-1334	207	9	bulk	bulk	ADJ
iogr-1334	207	10	volume	volume	NOUN
iogr-1334	207	11	(	(	PUNCT
iogr-1334	207	12	cm3	cm3	NOUN
iogr-1334	207	13	)	)	PUNCT
iogr-1334	207	14	bulk	bulk	ADJ
iogr-1334	207	15	density	density	NOUN
iogr-1334	207	16	(	(	PUNCT
iogr-1334	207	17	g	g	NOUN
iogr-1334	207	18	/	/	SYM
iogr-1334	207	19	cm3	cm3	NOUN
iogr-1334	207	20	)	)	PUNCT
iogr-1334	207	21	qs	qs	ADP
iogr-1334	207	22	560.96	560.96	NUM
iogr-1334	207	23	452.50	452.50	NUM
iogr-1334	207	24	1.24	1.24	NUM
iogr-1334	207	25	ts	ts	ADP
iogr-1334	207	26	483.51	483.51	NUM
iogr-1334	207	27	378.94	378.94	NUM
iogr-1334	207	28	1.28	1.28	NUM
iogr-1334	207	29	acid	acid	NOUN
iogr-1334	207	30	solubility	solubility	NOUN
iogr-1334	207	31	result	result	NOUN
iogr-1334	207	32	.	.	PUNCT
iogr-1334	208	1	table	table	NOUN
iogr-1334	208	2	8	8	NUM
iogr-1334	208	3	shows	show	VERB
iogr-1334	208	4	the	the	DET
iogr-1334	208	5	results	result	NOUN
iogr-1334	208	6	of	of	ADP
iogr-1334	208	7	the	the	DET
iogr-1334	208	8	acid	acid	NOUN
iogr-1334	208	9	solubility	solubility	NOUN
iogr-1334	208	10	test	test	NOUN
iogr-1334	208	11	.	.	PUNCT
iogr-1334	209	1	quartz	quartz	NOUN
iogr-1334	209	2	sand	sand	NOUN
iogr-1334	209	3	and	and	CCONJ
iogr-1334	209	4	topaz	topaz	NOUN
iogr-1334	209	5	sand	sand	NOUN
iogr-1334	209	6	recorded	record	VERB
iogr-1334	209	7	solubility	solubility	NOUN
iogr-1334	209	8	percentages	percentage	NOUN
iogr-1334	209	9	of	of	ADP
iogr-1334	209	10	1.50	1.50	NUM
iogr-1334	209	11	%	%	NOUN
iogr-1334	209	12	and	and	CCONJ
iogr-1334	209	13	1.72	1.72	NUM
iogr-1334	209	14	%	%	NOUN
iogr-1334	209	15	,	,	PUNCT
iogr-1334	209	16	respectively	respectively	ADV
iogr-1334	209	17	.	.	PUNCT
iogr-1334	210	1	according	accord	VERB
iogr-1334	210	2	to	to	ADP
iogr-1334	210	3	the	the	DET
iogr-1334	210	4	api	api	NOUN
iogr-1334	210	5	rp	rp	PROPN
iogr-1334	210	6	19c	19c	PROPN
iogr-1334	210	7	standard	standard	NOUN
iogr-1334	210	8	,	,	PUNCT
iogr-1334	210	9	proppant	proppant	NOUN
iogr-1334	210	10	materials	material	NOUN
iogr-1334	210	11	should	should	AUX
iogr-1334	210	12	exhibit	exhibit	VERB
iogr-1334	210	13	acid	acid	NOUN
iogr-1334	210	14	solubility	solubility	NOUN
iogr-1334	210	15	values	value	NOUN
iogr-1334	210	16	of	of	ADP
iogr-1334	210	17	<	<	X
iogr-1334	210	18	2	2	NUM
iogr-1334	210	19	%	%	NOUN
iogr-1334	210	20	to	to	PART
iogr-1334	210	21	be	be	AUX
iogr-1334	210	22	considered	consider	VERB
iogr-1334	210	23	suitable	suitable	ADJ
iogr-1334	210	24	for	for	ADP
iogr-1334	210	25	hydraulic	hydraulic	ADJ
iogr-1334	210	26	fracturing	fracturing	NOUN
iogr-1334	210	27	operations	operation	NOUN
iogr-1334	210	28	.	.	PUNCT
iogr-1334	211	1	both	both	PRON
iogr-1334	211	2	quartz	quartz	NOUN
iogr-1334	211	3	and	and	CCONJ
iogr-1334	211	4	topaz	topaz	NOUN
iogr-1334	211	5	sands	sand	NOUN
iogr-1334	211	6	fall	fall	VERB
iogr-1334	211	7	within	within	ADP
iogr-1334	211	8	this	this	DET
iogr-1334	211	9	acceptable	acceptable	ADJ
iogr-1334	211	10	range	range	NOUN
iogr-1334	211	11	,	,	PUNCT
iogr-1334	211	12	demonstrating	demonstrate	VERB
iogr-1334	211	13	their	their	PRON
iogr-1334	211	14	potential	potential	ADJ
iogr-1334	211	15	suitability	suitability	NOUN
iogr-1334	211	16	for	for	ADP
iogr-1334	211	17	use	use	NOUN
iogr-1334	211	18	as	as	ADP
iogr-1334	211	19	proppants	proppant	NOUN
iogr-1334	211	20	.	.	PUNCT
iogr-1334	212	1	the	the	DET
iogr-1334	212	2	findings	finding	NOUN
iogr-1334	212	3	in	in	ADP
iogr-1334	212	4	this	this	DET
iogr-1334	212	5	work	work	NOUN
iogr-1334	212	6	align	align	NOUN
iogr-1334	212	7	with	with	ADP
iogr-1334	212	8	other	other	ADJ
iogr-1334	212	9	studies	study	NOUN
iogr-1334	212	10	that	that	PRON
iogr-1334	212	11	have	have	AUX
iogr-1334	212	12	emphasized	emphasize	VERB
iogr-1334	212	13	the	the	DET
iogr-1334	212	14	importance	importance	NOUN
iogr-1334	212	15	of	of	ADP
iogr-1334	212	16	low	low	ADJ
iogr-1334	212	17	acid	acid	NOUN
iogr-1334	212	18	solubility	solubility	NOUN
iogr-1334	212	19	for	for	ADP
iogr-1334	212	20	proppant	proppant	NOUN
iogr-1334	212	21	materials	material	NOUN
iogr-1334	212	22	.	.	PUNCT
iogr-1334	213	1	for	for	ADP
iogr-1334	213	2	example	example	NOUN
iogr-1334	213	3	,	,	PUNCT
iogr-1334	213	4	xu	xu	PROPN
iogr-1334	213	5	et	et	PROPN
iogr-1334	213	6	al	al	PROPN
iogr-1334	213	7	.	.	PROPN
iogr-1334	213	8	(	(	PUNCT
iogr-1334	213	9	2022	2022	NUM
iogr-1334	213	10	)	)	PUNCT
iogr-1334	213	11	found	find	VERB
iogr-1334	213	12	that	that	SCONJ
iogr-1334	213	13	proppants	proppant	NOUN
iogr-1334	213	14	with	with	ADP
iogr-1334	213	15	acid	acid	NOUN
iogr-1334	213	16	solubility	solubility	NOUN
iogr-1334	213	17	values	value	NOUN
iogr-1334	213	18	below	below	ADP
iogr-1334	213	19	2	2	NUM
iogr-1334	213	20	%	%	NOUN
iogr-1334	213	21	maintained	maintain	VERB
iogr-1334	213	22	structural	structural	ADJ
iogr-1334	213	23	integrity	integrity	NOUN
iogr-1334	213	24	under	under	ADP
iogr-1334	213	25	reservoir	reservoir	NOUN
iogr-1334	213	26	conditions	condition	NOUN
iogr-1334	213	27	,	,	PUNCT
iogr-1334	213	28	thus	thus	ADV
iogr-1334	213	29	enhancing	enhance	VERB
iogr-1334	213	30	the	the	DET
iogr-1334	213	31	overall	overall	ADJ
iogr-1334	213	32	efficiency	efficiency	NOUN
iogr-1334	213	33	of	of	ADP
iogr-1334	213	34	hydraulic	hydraulic	ADJ
iogr-1334	213	35	fracturing	fracturing	NOUN
iogr-1334	213	36	operations	operation	NOUN
iogr-1334	213	37	.	.	PUNCT
iogr-1334	214	1	they	they	PRON
iogr-1334	214	2	also	also	ADV
iogr-1334	214	3	highlighted	highlight	VERB
iogr-1334	214	4	that	that	SCONJ
iogr-1334	214	5	proppants	proppant	NOUN
iogr-1334	214	6	with	with	ADP
iogr-1334	214	7	low	low	ADJ
iogr-1334	214	8	solubility	solubility	NOUN
iogr-1334	214	9	in	in	ADP
iogr-1334	214	10	acidic	acidic	ADJ
iogr-1334	214	11	environments	environment	NOUN
iogr-1334	214	12	are	be	AUX
iogr-1334	214	13	less	less	ADV
iogr-1334	214	14	likely	likely	ADJ
iogr-1334	214	15	to	to	PART
iogr-1334	214	16	degrade	degrade	VERB
iogr-1334	214	17	,	,	PUNCT
iogr-1334	214	18	ensuring	ensure	VERB
iogr-1334	214	19	better	well	ADJ
iogr-1334	214	20	performance	performance	NOUN
iogr-1334	214	21	and	and	CCONJ
iogr-1334	214	22	longer	long	ADJ
iogr-1334	214	23	service	service	VERB
iogr-1334	214	24	life	life	NOUN
iogr-1334	214	25	in	in	ADP
iogr-1334	214	26	fracturing	fracturing	NOUN
iogr-1334	214	27	applications	application	NOUN
iogr-1334	214	28	.	.	PUNCT
iogr-1334	215	1	the	the	DET
iogr-1334	215	2	slight	slight	ADJ
iogr-1334	215	3	difference	difference	NOUN
iogr-1334	215	4	in	in	ADP
iogr-1334	215	5	solubility	solubility	NOUN
iogr-1334	215	6	values	value	NOUN
iogr-1334	215	7	between	between	ADP
iogr-1334	215	8	quartz	quartz	NOUN
iogr-1334	215	9	and	and	CCONJ
iogr-1334	215	10	topaz	topaz	NOUN
iogr-1334	215	11	sands	sand	NOUN
iogr-1334	215	12	may	may	AUX
iogr-1334	215	13	reflect	reflect	VERB
iogr-1334	215	14	differences	difference	NOUN
iogr-1334	215	15	in	in	ADP
iogr-1334	215	16	their	their	PRON
iogr-1334	215	17	mineralogical	mineralogical	ADJ
iogr-1334	215	18	compositions	composition	NOUN
iogr-1334	215	19	,	,	PUNCT
iogr-1334	215	20	yet	yet	CCONJ
iogr-1334	215	21	both	both	PRON
iogr-1334	215	22	remain	remain	VERB
iogr-1334	215	23	well	well	ADV
iogr-1334	215	24	within	within	ADP
iogr-1334	215	25	industry	industry	NOUN
iogr-1334	215	26	-	-	PUNCT
iogr-1334	215	27	accepted	accept	VERB
iogr-1334	215	28	standards	standard	NOUN
iogr-1334	215	29	,	,	PUNCT
iogr-1334	215	30	supporting	support	VERB
iogr-1334	215	31	their	their	PRON
iogr-1334	215	32	potential	potential	ADJ
iogr-1334	215	33	applicability	applicability	NOUN
iogr-1334	215	34	as	as	ADP
iogr-1334	215	35	effective	effective	ADJ
iogr-1334	215	36	proppants	proppant	NOUN
iogr-1334	215	37	in	in	ADP
iogr-1334	215	38	hydraulic	hydraulic	ADJ
iogr-1334	215	39	fracturing	fracturing	NOUN
iogr-1334	215	40	jobs	job	NOUN
iogr-1334	215	41	.	.	PUNCT
iogr-1334	216	1	improved	improve	VERB
iogr-1334	216	2	oil	oil	NOUN
iogr-1334	216	3	and	and	CCONJ
iogr-1334	216	4	gas	gas	NOUN
iogr-1334	216	5	recovery	recovery	NOUN
iogr-1334	216	6	11	11	NUM
iogr-1334	216	7	table	table	NOUN
iogr-1334	216	8	8	8	NUM
iogr-1334	216	9	—	—	PUNCT
iogr-1334	216	10	acid	acid	NOUN
iogr-1334	216	11	solubility	solubility	NOUN
iogr-1334	216	12	result	result	NOUN
iogr-1334	216	13	.	.	PUNCT
iogr-1334	217	1	samples	sample	NOUN
iogr-1334	217	2	weight	weight	NOUN
iogr-1334	217	3	before	before	ADV
iogr-1334	217	4	(	(	PUNCT
iogr-1334	217	5	g	g	NOUN
iogr-1334	217	6	)	)	PUNCT
iogr-1334	217	7	weight	weight	NOUN
iogr-1334	217	8	after	after	ADP
iogr-1334	217	9	(	(	PUNCT
iogr-1334	217	10	g	g	NOUN
iogr-1334	217	11	)	)	PUNCT
iogr-1334	217	12	solubility	solubility	NOUN
iogr-1334	217	13	(	(	PUNCT
iogr-1334	217	14	%	%	INTJ
iogr-1334	217	15	)	)	PUNCT
iogr-1334	217	16	quartz	quartz	NOUN
iogr-1334	217	17	sand	sand	NOUN
iogr-1334	217	18	5.00	5.00	NUM
iogr-1334	217	19	4.925	4.925	NUM
iogr-1334	217	20	1.50	1.50	NUM
iogr-1334	217	21	topaz	topaz	NOUN
iogr-1334	217	22	sand	sand	NOUN
iogr-1334	217	23	5.00	5.00	NUM
iogr-1334	217	24	4.914	4.914	NUM
iogr-1334	217	25	1.72	1.72	NUM
iogr-1334	217	26	crush	crush	NOUN
iogr-1334	217	27	resistance	resistance	NOUN
iogr-1334	217	28	result	result	NOUN
iogr-1334	217	29	.	.	PUNCT
iogr-1334	218	1	figure	figure	VERB
iogr-1334	218	2	7	7	NUM
iogr-1334	218	3	displays	display	VERB
iogr-1334	218	4	the	the	DET
iogr-1334	218	5	percentage	percentage	NOUN
iogr-1334	218	6	of	of	ADP
iogr-1334	218	7	crushed	crush	VERB
iogr-1334	218	8	material	material	NOUN
iogr-1334	218	9	at	at	ADP
iogr-1334	218	10	varying	vary	VERB
iogr-1334	218	11	stress	stress	NOUN
iogr-1334	218	12	levels	level	NOUN
iogr-1334	218	13	for	for	ADP
iogr-1334	218	14	the	the	DET
iogr-1334	218	15	uncoated	uncoated	ADJ
iogr-1334	218	16	sand	sand	NOUN
iogr-1334	218	17	samples	sample	NOUN
iogr-1334	218	18	.	.	PUNCT
iogr-1334	219	1	at	at	ADP
iogr-1334	219	2	1000	1000	NUM
iogr-1334	219	3	psi	psi	NOUN
iogr-1334	219	4	the	the	DET
iogr-1334	219	5	percentage	percentage	NOUN
iogr-1334	219	6	of	of	ADP
iogr-1334	219	7	fines	fine	NOUN
iogr-1334	219	8	generated	generate	VERB
iogr-1334	219	9	for	for	ADP
iogr-1334	219	10	quartz	quartz	NOUN
iogr-1334	219	11	is	be	AUX
iogr-1334	219	12	4.65	4.65	NUM
iogr-1334	219	13	%	%	NOUN
iogr-1334	219	14	while	while	SCONJ
iogr-1334	219	15	for	for	ADP
iogr-1334	219	16	topaz	topaz	NOUN
iogr-1334	219	17	is	be	AUX
iogr-1334	219	18	4.12	4.12	NUM
iogr-1334	219	19	%	%	NOUN
iogr-1334	219	20	.	.	PUNCT
iogr-1334	220	1	after	after	ADP
iogr-1334	220	2	increasing	increase	VERB
iogr-1334	220	3	the	the	DET
iogr-1334	220	4	pressure	pressure	NOUN
iogr-1334	220	5	to	to	ADP
iogr-1334	220	6	2000	2000	NUM
iogr-1334	220	7	psi	psi	NOUN
iogr-1334	220	8	,	,	PUNCT
iogr-1334	220	9	the	the	DET
iogr-1334	220	10	percentage	percentage	NOUN
iogr-1334	220	11	of	of	ADP
iogr-1334	220	12	fines	fine	NOUN
iogr-1334	220	13	increases	increase	NOUN
iogr-1334	220	14	to	to	ADP
iogr-1334	220	15	7.73	7.73	NUM
iogr-1334	220	16	%	%	NOUN
iogr-1334	220	17	for	for	ADP
iogr-1334	220	18	quartz	quartz	NOUN
iogr-1334	220	19	and	and	CCONJ
iogr-1334	220	20	7.24	7.24	NUM
iogr-1334	220	21	%	%	NOUN
iogr-1334	220	22	for	for	ADP
iogr-1334	220	23	topaz	topaz	NOUN
iogr-1334	220	24	sand	sand	NOUN
iogr-1334	220	25	.	.	PUNCT
iogr-1334	221	1	the	the	DET
iogr-1334	221	2	maximum	maximum	ADJ
iogr-1334	221	3	closure	closure	NOUN
iogr-1334	221	4	stress	stress	NOUN
iogr-1334	221	5	level	level	NOUN
iogr-1334	221	6	was	be	AUX
iogr-1334	221	7	reached	reach	VERB
iogr-1334	221	8	at	at	ADP
iogr-1334	221	9	3000	3000	NUM
iogr-1334	221	10	psi	psi	NOUN
iogr-1334	221	11	with	with	ADP
iogr-1334	221	12	a	a	DET
iogr-1334	221	13	percentage	percentage	NOUN
iogr-1334	221	14	of	of	ADP
iogr-1334	221	15	fines	fine	NOUN
iogr-1334	221	16	generated	generate	VERB
iogr-1334	221	17	to	to	PART
iogr-1334	221	18	be	be	AUX
iogr-1334	221	19	10.89	10.89	NUM
iogr-1334	221	20	%	%	NOUN
iogr-1334	221	21	for	for	ADP
iogr-1334	221	22	quartz	quartz	NOUN
iogr-1334	221	23	sand	sand	NOUN
iogr-1334	221	24	and	and	CCONJ
iogr-1334	221	25	10.33	10.33	NUM
iogr-1334	221	26	%	%	NOUN
iogr-1334	221	27	for	for	ADP
iogr-1334	221	28	topaz	topaz	NOUN
iogr-1334	221	29	sand	sand	NOUN
iogr-1334	221	30	.	.	PUNCT
iogr-1334	222	1	based	base	VERB
iogr-1334	222	2	on	on	ADP
iogr-1334	222	3	api	api	PROPN
iogr-1334	222	4	rp	rp	PROPN
iogr-1334	222	5	56	56	NUM
iogr-1334	222	6	,	,	PUNCT
iogr-1334	222	7	frac	frac	ADJ
iogr-1334	222	8	sand	sand	NOUN
iogr-1334	222	9	should	should	AUX
iogr-1334	222	10	generate	generate	VERB
iogr-1334	222	11	<	<	X
iogr-1334	222	12	10	10	NUM
iogr-1334	222	13	%	%	NOUN
iogr-1334	222	14	fines	fine	NOUN
iogr-1334	222	15	at	at	ADP
iogr-1334	222	16	a	a	DET
iogr-1334	222	17	given	give	VERB
iogr-1334	222	18	closure	closure	NOUN
iogr-1334	222	19	stress	stress	NOUN
iogr-1334	222	20	level	level	NOUN
iogr-1334	222	21	to	to	PART
iogr-1334	222	22	be	be	AUX
iogr-1334	222	23	suitable	suitable	ADJ
iogr-1334	222	24	for	for	ADP
iogr-1334	222	25	use	use	NOUN
iogr-1334	222	26	at	at	ADP
iogr-1334	222	27	that	that	DET
iogr-1334	222	28	stress	stress	NOUN
iogr-1334	222	29	level	level	NOUN
iogr-1334	222	30	.	.	PUNCT
iogr-1334	223	1	the	the	DET
iogr-1334	223	2	test	test	NOUN
iogr-1334	223	3	results	result	NOUN
iogr-1334	223	4	show	show	VERB
iogr-1334	223	5	that	that	SCONJ
iogr-1334	223	6	the	the	DET
iogr-1334	223	7	strength	strength	NOUN
iogr-1334	223	8	of	of	ADP
iogr-1334	223	9	the	the	DET
iogr-1334	223	10	uncoated	uncoated	ADJ
iogr-1334	223	11	sands	sand	NOUN
iogr-1334	223	12	varies	vary	VERB
iogr-1334	223	13	from	from	ADP
iogr-1334	223	14	1000	1000	NUM
iogr-1334	223	15	psi	psi	NOUN
iogr-1334	223	16	3000	3000	NUM
iogr-1334	223	17	psi	psi	NOUN
iogr-1334	223	18	.	.	PUNCT
iogr-1334	224	1	however	however	ADV
iogr-1334	224	2	,	,	PUNCT
iogr-1334	224	3	for	for	ADP
iogr-1334	224	4	wells	well	NOUN
iogr-1334	224	5	with	with	ADP
iogr-1334	224	6	closure	closure	NOUN
iogr-1334	224	7	stress	stress	NOUN
iogr-1334	224	8	greater	great	ADJ
iogr-1334	224	9	than	than	ADP
iogr-1334	224	10	3000	3000	NUM
iogr-1334	224	11	psi	psi	NOUN
iogr-1334	224	12	,	,	PUNCT
iogr-1334	224	13	the	the	DET
iogr-1334	224	14	quartz	quartz	NOUN
iogr-1334	224	15	and	and	CCONJ
iogr-1334	224	16	topaz	topaz	NOUN
iogr-1334	224	17	sands	sand	NOUN
iogr-1334	224	18	will	will	AUX
iogr-1334	224	19	not	not	PART
iogr-1334	224	20	be	be	AUX
iogr-1334	224	21	used	use	VERB
iogr-1334	224	22	at	at	ADP
iogr-1334	224	23	such	such	ADJ
iogr-1334	224	24	pressures	pressure	NOUN
iogr-1334	224	25	and	and	CCONJ
iogr-1334	224	26	will	will	AUX
iogr-1334	224	27	generate	generate	VERB
iogr-1334	224	28	fines	fine	NOUN
iogr-1334	224	29	(	(	PUNCT
iogr-1334	224	30	>	>	X
iogr-1334	224	31	10	10	NUM
iogr-1334	224	32	%	%	NOUN
iogr-1334	224	33	)	)	PUNCT
iogr-1334	224	34	,	,	PUNCT
iogr-1334	224	35	hence	hence	ADV
iogr-1334	224	36	,	,	PUNCT
iogr-1334	224	37	there	there	PRON
iogr-1334	224	38	is	be	VERB
iogr-1334	224	39	need	need	NOUN
iogr-1334	224	40	to	to	PART
iogr-1334	224	41	coat	coat	VERB
iogr-1334	224	42	the	the	DET
iogr-1334	224	43	sand	sand	NOUN
iogr-1334	224	44	to	to	PART
iogr-1334	224	45	improve	improve	VERB
iogr-1334	224	46	its	its	PRON
iogr-1334	224	47	strength	strength	NOUN
iogr-1334	224	48	.	.	PUNCT
iogr-1334	225	1	figure	figure	VERB
iogr-1334	225	2	7	7	NUM
iogr-1334	225	3	—	—	PUNCT
iogr-1334	225	4	crush	crush	NOUN
iogr-1334	225	5	resistance	resistance	NOUN
iogr-1334	225	6	result	result	NOUN
iogr-1334	225	7	for	for	ADP
iogr-1334	225	8	20/40	20/40	NUM
iogr-1334	225	9	mesh	mesh	NOUN
iogr-1334	225	10	size	size	NOUN
iogr-1334	225	11	quartz	quartz	NOUN
iogr-1334	225	12	and	and	CCONJ
iogr-1334	225	13	topaz	topaz	NOUN
iogr-1334	225	14	sand	sand	NOUN
iogr-1334	225	15	(	(	PUNCT
iogr-1334	225	16	uncoated	uncoated	ADJ
iogr-1334	225	17	sand	sand	NOUN
iogr-1334	225	18	)	)	PUNCT
iogr-1334	225	19	.	.	PUNCT
iogr-1334	226	1	figure	figure	NOUN
iogr-1334	226	2	8	8	NUM
iogr-1334	226	3	clearly	clearly	ADV
iogr-1334	226	4	indicates	indicate	VERB
iogr-1334	226	5	that	that	SCONJ
iogr-1334	226	6	the	the	DET
iogr-1334	226	7	epoxy	epoxy	NOUN
iogr-1334	226	8	coating	coating	NOUN
iogr-1334	226	9	significantly	significantly	ADV
iogr-1334	226	10	enhanced	enhance	VERB
iogr-1334	226	11	the	the	DET
iogr-1334	226	12	crush	crush	NOUN
iogr-1334	226	13	resistance	resistance	NOUN
iogr-1334	226	14	of	of	ADP
iogr-1334	226	15	both	both	DET
iogr-1334	226	16	topaz	topaz	NOUN
iogr-1334	226	17	and	and	CCONJ
iogr-1334	226	18	quartz	quartz	NOUN
iogr-1334	226	19	sands	sand	NOUN
iogr-1334	226	20	.	.	PUNCT
iogr-1334	227	1	the	the	DET
iogr-1334	227	2	test	test	NOUN
iogr-1334	227	3	results	result	NOUN
iogr-1334	227	4	show	show	VERB
iogr-1334	227	5	that	that	SCONJ
iogr-1334	227	6	the	the	DET
iogr-1334	227	7	strength	strength	NOUN
iogr-1334	227	8	of	of	ADP
iogr-1334	227	9	the	the	DET
iogr-1334	227	10	sand	sand	NOUN
iogr-1334	227	11	varies	vary	VERB
iogr-1334	227	12	from	from	ADP
iogr-1334	227	13	1000	1000	NUM
iogr-1334	227	14	psi	psi	NOUN
iogr-1334	227	15	4000	4000	NUM
iogr-1334	227	16	psi	psi	NOUN
iogr-1334	227	17	.	.	PUNCT
iogr-1334	228	1	both	both	PRON
iogr-1334	228	2	resin	resin	NOUN
iogr-1334	228	3	-	-	PUNCT
iogr-1334	228	4	coated	coat	VERB
iogr-1334	228	5	quartz	quartz	NOUN
iogr-1334	228	6	sand	sand	NOUN
iogr-1334	228	7	and	and	CCONJ
iogr-1334	228	8	topaz	topaz	NOUN
iogr-1334	228	9	sand	sand	NOUN
iogr-1334	228	10	can	can	AUX
iogr-1334	228	11	withstand	withstand	VERB
iogr-1334	228	12	crush	crush	VERB
iogr-1334	228	13	resistance	resistance	NOUN
iogr-1334	228	14	at	at	ADP
iogr-1334	228	15	closure	closure	NOUN
iogr-1334	228	16	stress	stress	NOUN
iogr-1334	228	17	level	level	NOUN
iogr-1334	228	18	of	of	ADP
iogr-1334	228	19	up	up	ADP
iogr-1334	228	20	to	to	PART
iogr-1334	228	21	4000	4000	NUM
iogr-1334	228	22	psi	psi	NOUN
iogr-1334	228	23	.	.	PUNCT
iogr-1334	229	1	at	at	ADP
iogr-1334	229	2	lower	low	ADJ
iogr-1334	229	3	closure	closure	NOUN
iogr-1334	229	4	stress	stress	NOUN
iogr-1334	229	5	levels	level	NOUN
iogr-1334	229	6	such	such	ADJ
iogr-1334	229	7	as	as	ADP
iogr-1334	229	8	between	between	ADP
iogr-1334	229	9	2000	2000	NUM
iogr-1334	229	10	psi	psi	NOUN
iogr-1334	229	11	to	to	ADP
iogr-1334	229	12	3000	3000	NUM
iogr-1334	229	13	psi	psi	NOUN
iogr-1334	229	14	,	,	PUNCT
iogr-1334	229	15	the	the	DET
iogr-1334	229	16	percentage	percentage	NOUN
iogr-1334	229	17	of	of	ADP
iogr-1334	229	18	crushed	crush	VERB
iogr-1334	229	19	material	material	NOUN
iogr-1334	229	20	was	be	AUX
iogr-1334	229	21	significantly	significantly	ADV
iogr-1334	229	22	reduced	reduce	VERB
iogr-1334	229	23	in	in	ADP
iogr-1334	229	24	the	the	DET
iogr-1334	229	25	coated	coat	VERB
iogr-1334	229	26	samples	sample	NOUN
iogr-1334	229	27	compared	compare	VERB
iogr-1334	229	28	to	to	ADP
iogr-1334	229	29	the	the	DET
iogr-1334	229	30	uncoated	uncoated	ADJ
iogr-1334	229	31	ones	one	NOUN
iogr-1334	229	32	.	.	PUNCT
iogr-1334	230	1	moreover	moreover	ADV
iogr-1334	230	2	,	,	PUNCT
iogr-1334	230	3	the	the	DET
iogr-1334	230	4	coated	coat	VERB
iogr-1334	230	5	samples	sample	NOUN
iogr-1334	230	6	maintained	maintain	VERB
iogr-1334	230	7	much	much	ADV
iogr-1334	230	8	lower	low	ADJ
iogr-1334	230	9	crushing	crush	VERB
iogr-1334	230	10	percentages	percentage	NOUN
iogr-1334	230	11	as	as	SCONJ
iogr-1334	230	12	seen	see	VERB
iogr-1334	230	13	in	in	ADP
iogr-1334	230	14	figure	figure	NOUN
iogr-1334	230	15	8	8	NUM
iogr-1334	230	16	with	with	ADP
iogr-1334	230	17	a	a	DET
iogr-1334	230	18	value	value	NOUN
iogr-1334	230	19	of	of	ADP
iogr-1334	230	20	7.51	7.51	NUM
iogr-1334	230	21	%	%	NOUN
iogr-1334	230	22	and	and	CCONJ
iogr-1334	230	23	7.10	7.10	NUM
iogr-1334	230	24	%	%	NOUN
iogr-1334	230	25	at	at	ADP
iogr-1334	230	26	3000	3000	NUM
iogr-1334	230	27	psi	psi	NOUN
iogr-1334	230	28	for	for	ADP
iogr-1334	230	29	quartz	quartz	NOUN
iogr-1334	230	30	and	and	CCONJ
iogr-1334	230	31	topaz	topaz	NOUN
iogr-1334	230	32	sand	sand	NOUN
iogr-1334	230	33	respectively	respectively	ADV
iogr-1334	230	34	.	.	PUNCT
iogr-1334	231	1	this	this	PRON
iogr-1334	231	2	indicates	indicate	VERB
iogr-1334	231	3	that	that	SCONJ
iogr-1334	231	4	the	the	DET
iogr-1334	231	5	coating	coating	NOUN
iogr-1334	231	6	effectively	effectively	ADV
iogr-1334	231	7	protected	protect	VERB
iogr-1334	231	8	the	the	DET
iogr-1334	231	9	sand	sand	NOUN
iogr-1334	231	10	grains	grain	NOUN
iogr-1334	231	11	from	from	ADP
iogr-1334	231	12	breaking	break	VERB
iogr-1334	231	13	down	down	ADP
iogr-1334	231	14	under	under	ADP
iogr-1334	231	15	higher	high	ADJ
iogr-1334	231	16	stress	stress	NOUN
iogr-1334	231	17	level	level	NOUN
iogr-1334	231	18	.	.	PUNCT
iogr-1334	232	1	the	the	DET
iogr-1334	232	2	result	result	NOUN
iogr-1334	232	3	is	be	AUX
iogr-1334	232	4	in	in	ADP
iogr-1334	232	5	line	line	NOUN
iogr-1334	232	6	with	with	ADP
iogr-1334	232	7	the	the	DET
iogr-1334	232	8	work	work	NOUN
iogr-1334	232	9	of	of	ADP
iogr-1334	232	10	zoveidavianpoor	zoveidavianpoor	NOUN
iogr-1334	232	11	and	and	CCONJ
iogr-1334	232	12	gharibi	gharibi	NOUN
iogr-1334	232	13	(	(	PUNCT
iogr-1334	232	14	2015	2015	NUM
iogr-1334	232	15	)	)	PUNCT
iogr-1334	232	16	who	who	PRON
iogr-1334	232	17	found	find	VERB
iogr-1334	232	18	that	that	SCONJ
iogr-1334	232	19	proppants	proppant	NOUN
iogr-1334	232	20	with	with	ADP
iogr-1334	232	21	polymer	polymer	NOUN
iogr-1334	232	22	coatings	coating	NOUN
iogr-1334	232	23	exhibited	exhibit	VERB
iogr-1334	232	24	enhanced	enhance	VERB
iogr-1334	232	25	resistance	resistance	NOUN
iogr-1334	232	26	to	to	ADP
iogr-1334	232	27	crushing	crush	VERB
iogr-1334	232	28	particularly	particularly	ADV
iogr-1334	232	29	at	at	ADP
iogr-1334	232	30	higher	high	ADJ
iogr-1334	232	31	stress	stress	NOUN
iogr-1334	232	32	levels	level	NOUN
iogr-1334	232	33	.	.	PUNCT
iogr-1334	233	1	0	0	NUM
iogr-1334	234	1	2	2	NUM
iogr-1334	234	2	4	4	NUM
iogr-1334	234	3	6	6	NUM
iogr-1334	234	4	8	8	NUM
iogr-1334	234	5	10	10	NUM
iogr-1334	234	6	12	12	NUM
iogr-1334	234	7	0	0	NUM
iogr-1334	234	8	500	500	NUM
iogr-1334	234	9	1000	1000	NUM
iogr-1334	234	10	1500	1500	NUM
iogr-1334	234	11	2000	2000	NUM
iogr-1334	234	12	2500	2500	NUM
iogr-1334	234	13	3000	3000	NUM
iogr-1334	234	14	3500	3500	NUM
iogr-1334	234	15	p	p	NOUN
iogr-1334	234	16	er	er	INTJ
iogr-1334	234	17	ce	ce	PROPN
iogr-1334	234	18	n	n	ADP
iogr-1334	234	19	t	t	PROPN
iogr-1334	234	20	c	c	PROPN
iogr-1334	234	21	ru	ru	PROPN
iogr-1334	234	22	sh	sh	PROPN
iogr-1334	234	23	ed	ed	PROPN
iogr-1334	234	24	(	(	PUNCT
iogr-1334	234	25	%	%	NOUN
iogr-1334	234	26	)	)	PUNCT
iogr-1334	234	27	pressure	pressure	NOUN
iogr-1334	234	28	(	(	PUNCT
iogr-1334	234	29	psi	psi	NOUN
iogr-1334	234	30	)	)	PUNCT
iogr-1334	234	31	topaz	topaz	NOUN
iogr-1334	234	32	sand	sand	NOUN
iogr-1334	234	33	quartz	quartz	NOUN
iogr-1334	234	34	sand	sand	NOUN
iogr-1334	234	35	improved	improve	VERB
iogr-1334	234	36	oil	oil	NOUN
iogr-1334	234	37	and	and	CCONJ
iogr-1334	234	38	gas	gas	NOUN
iogr-1334	234	39	recovery	recovery	NOUN
iogr-1334	234	40	12	12	NUM
iogr-1334	234	41	figure	figure	NOUN
iogr-1334	234	42	8	8	NUM
iogr-1334	234	43	—	—	PUNCT
iogr-1334	234	44	crush	crush	NOUN
iogr-1334	234	45	resistance	resistance	NOUN
iogr-1334	234	46	result	result	NOUN
iogr-1334	234	47	for	for	ADP
iogr-1334	234	48	resin	resin	NOUN
iogr-1334	234	49	-	-	PUNCT
iogr-1334	234	50	coated	coat	VERB
iogr-1334	234	51	quartz	quartz	NOUN
iogr-1334	234	52	and	and	CCONJ
iogr-1334	234	53	topaz	topaz	NOUN
iogr-1334	234	54	sand	sand	NOUN
iogr-1334	234	55	.	.	PUNCT
iogr-1334	235	1	loss	loss	NOUN
iogr-1334	235	2	on	on	ADP
iogr-1334	235	3	ignition	ignition	NOUN
iogr-1334	235	4	(	(	PUNCT
iogr-1334	235	5	loi	loi	NOUN
iogr-1334	235	6	)	)	PUNCT
iogr-1334	235	7	result	result	NOUN
iogr-1334	235	8	.	.	PUNCT
iogr-1334	236	1	table	table	NOUN
iogr-1334	236	2	9	9	NUM
iogr-1334	236	3	is	be	AUX
iogr-1334	236	4	the	the	DET
iogr-1334	236	5	results	result	NOUN
iogr-1334	236	6	of	of	ADP
iogr-1334	236	7	loss	loss	NOUN
iogr-1334	236	8	on	on	ADP
iogr-1334	236	9	ignition	ignition	NOUN
iogr-1334	236	10	which	which	PRON
iogr-1334	236	11	showed	show	VERB
iogr-1334	236	12	that	that	SCONJ
iogr-1334	236	13	before	before	ADP
iogr-1334	236	14	heating	heat	VERB
iogr-1334	236	15	the	the	DET
iogr-1334	236	16	sample	sample	NOUN
iogr-1334	236	17	at	at	ADP
iogr-1334	236	18	900ºc	900ºc	NOUN
iogr-1334	236	19	,	,	PUNCT
iogr-1334	236	20	it	it	PRON
iogr-1334	236	21	was	be	AUX
iogr-1334	236	22	twelve	twelve	NUM
iogr-1334	236	23	grams	gram	NOUN
iogr-1334	236	24	for	for	ADP
iogr-1334	236	25	both	both	DET
iogr-1334	236	26	quartz	quartz	NOUN
iogr-1334	236	27	and	and	CCONJ
iogr-1334	236	28	topaz	topaz	NOUN
iogr-1334	236	29	samples	sample	NOUN
iogr-1334	236	30	.	.	PUNCT
iogr-1334	237	1	however	however	ADV
iogr-1334	237	2	,	,	PUNCT
iogr-1334	237	3	after	after	ADP
iogr-1334	237	4	subjecting	subject	VERB
iogr-1334	237	5	the	the	DET
iogr-1334	237	6	sands	sand	NOUN
iogr-1334	237	7	to	to	PART
iogr-1334	237	8	heat	heat	VERB
iogr-1334	237	9	,	,	PUNCT
iogr-1334	237	10	the	the	DET
iogr-1334	237	11	values	value	NOUN
iogr-1334	237	12	obtained	obtain	VERB
iogr-1334	237	13	were	be	AUX
iogr-1334	237	14	11.80	11.80	NUM
iogr-1334	237	15	and	and	CCONJ
iogr-1334	237	16	11.83	11.83	NUM
iogr-1334	237	17	grams	gram	NOUN
iogr-1334	237	18	for	for	ADP
iogr-1334	237	19	quartz	quartz	NOUN
iogr-1334	237	20	and	and	CCONJ
iogr-1334	237	21	topaz	topaz	NOUN
iogr-1334	237	22	sand	sand	NOUN
iogr-1334	237	23	respectively	respectively	ADV
iogr-1334	237	24	.	.	PUNCT
iogr-1334	238	1	this	this	PRON
iogr-1334	238	2	indicates	indicate	VERB
iogr-1334	238	3	that	that	SCONJ
iogr-1334	238	4	both	both	PRON
iogr-1334	238	5	quartz	quartz	NOUN
iogr-1334	238	6	and	and	CCONJ
iogr-1334	238	7	topaz	topaz	NOUN
iogr-1334	238	8	sands	sand	NOUN
iogr-1334	238	9	have	have	VERB
iogr-1334	238	10	low	low	ADJ
iogr-1334	238	11	loss	loss	NOUN
iogr-1334	238	12	on	on	ADP
iogr-1334	238	13	ignition	ignition	NOUN
iogr-1334	238	14	values	value	NOUN
iogr-1334	238	15	,	,	PUNCT
iogr-1334	238	16	with	with	ADP
iogr-1334	238	17	quartz	quartz	NOUN
iogr-1334	238	18	sand	sand	NOUN
iogr-1334	238	19	showing	show	VERB
iogr-1334	238	20	a	a	DET
iogr-1334	238	21	1.67	1.67	NUM
iogr-1334	238	22	%	%	NOUN
iogr-1334	238	23	loss	loss	NOUN
iogr-1334	238	24	and	and	CCONJ
iogr-1334	238	25	topaz	topaz	NOUN
iogr-1334	238	26	sand	sand	VERB
iogr-1334	238	27	a	a	DET
iogr-1334	238	28	1.42	1.42	NUM
iogr-1334	238	29	%	%	NOUN
iogr-1334	238	30	loss	loss	NOUN
iogr-1334	238	31	.	.	PUNCT
iogr-1334	239	1	this	this	DET
iogr-1334	239	2	result	result	NOUN
iogr-1334	239	3	aligns	align	VERB
iogr-1334	239	4	with	with	ADP
iogr-1334	239	5	studies	study	NOUN
iogr-1334	239	6	by	by	ADP
iogr-1334	239	7	haque	haque	PROPN
iogr-1334	239	8	et	et	PROPN
iogr-1334	239	9	al	al	PROPN
iogr-1334	239	10	.	.	PROPN
iogr-1334	240	1	(	(	PUNCT
iogr-1334	240	2	2019	2019	NUM
iogr-1334	240	3	)	)	PUNCT
iogr-1334	240	4	,	,	PUNCT
iogr-1334	240	5	who	who	PRON
iogr-1334	240	6	reported	report	VERB
iogr-1334	240	7	that	that	SCONJ
iogr-1334	240	8	proppants	proppant	NOUN
iogr-1334	240	9	with	with	ADP
iogr-1334	240	10	loi	loi	ADJ
iogr-1334	240	11	values	value	NOUN
iogr-1334	240	12	below	below	ADP
iogr-1334	240	13	2	2	NUM
iogr-1334	240	14	%	%	NOUN
iogr-1334	240	15	are	be	AUX
iogr-1334	240	16	considered	consider	VERB
iogr-1334	240	17	suitable	suitable	ADJ
iogr-1334	240	18	for	for	ADP
iogr-1334	240	19	hydraulic	hydraulic	ADJ
iogr-1334	240	20	fracturing	fracturing	NOUN
iogr-1334	240	21	applications	application	NOUN
iogr-1334	240	22	,	,	PUNCT
iogr-1334	240	23	as	as	SCONJ
iogr-1334	240	24	they	they	PRON
iogr-1334	240	25	have	have	VERB
iogr-1334	240	26	minimal	minimal	ADJ
iogr-1334	240	27	impurities	impurity	NOUN
iogr-1334	240	28	that	that	PRON
iogr-1334	240	29	could	could	AUX
iogr-1334	240	30	affect	affect	VERB
iogr-1334	240	31	performance	performance	NOUN
iogr-1334	240	32	.	.	PUNCT
iogr-1334	241	1	according	accord	VERB
iogr-1334	241	2	to	to	ADP
iogr-1334	241	3	the	the	DET
iogr-1334	241	4	api	api	NOUN
iogr-1334	241	5	rp	rp	PROPN
iogr-1334	241	6	19c	19c	NUM
iogr-1334	241	7	,	,	PUNCT
iogr-1334	241	8	lower	low	ADJ
iogr-1334	241	9	loi	loi	ADJ
iogr-1334	241	10	values	value	NOUN
iogr-1334	241	11	are	be	AUX
iogr-1334	241	12	desirable	desirable	ADJ
iogr-1334	241	13	in	in	ADP
iogr-1334	241	14	proppants	proppant	NOUN
iogr-1334	241	15	as	as	SCONJ
iogr-1334	241	16	they	they	PRON
iogr-1334	241	17	correlate	correlate	VERB
iogr-1334	241	18	with	with	ADP
iogr-1334	241	19	better	well	ADJ
iogr-1334	241	20	thermal	thermal	ADJ
iogr-1334	241	21	stability	stability	NOUN
iogr-1334	241	22	and	and	CCONJ
iogr-1334	241	23	reduced	reduce	VERB
iogr-1334	241	24	risk	risk	NOUN
iogr-1334	241	25	of	of	ADP
iogr-1334	241	26	chemical	chemical	ADJ
iogr-1334	241	27	reactions	reaction	NOUN
iogr-1334	241	28	during	during	ADP
iogr-1334	241	29	hydraulic	hydraulic	ADJ
iogr-1334	241	30	fracturing	fracturing	NOUN
iogr-1334	241	31	operations	operation	NOUN
iogr-1334	241	32	.	.	PUNCT
iogr-1334	242	1	table	table	NOUN
iogr-1334	242	2	9	9	NUM
iogr-1334	242	3	—	—	PUNCT
iogr-1334	242	4	loss	loss	NOUN
iogr-1334	242	5	on	on	ADP
iogr-1334	242	6	ignition	ignition	NOUN
iogr-1334	242	7	for	for	ADP
iogr-1334	242	8	quartz	quartz	NOUN
iogr-1334	242	9	and	and	CCONJ
iogr-1334	242	10	topaz	topaz	NOUN
iogr-1334	242	11	sand	sand	NOUN
iogr-1334	242	12	.	.	PUNCT
iogr-1334	243	1	@	@	ADP
iogr-1334	243	2	900ºc	900ºc	ADJ
iogr-1334	243	3	quartz	quartz	NOUN
iogr-1334	243	4	sand	sand	NOUN
iogr-1334	243	5	topaz	topaz	NOUN
iogr-1334	243	6	sand	sand	NOUN
iogr-1334	243	7	mass	mass	NOUN
iogr-1334	243	8	before	before	ADP
iogr-1334	243	9	heating	heating	NOUN
iogr-1334	243	10	(	(	PUNCT
iogr-1334	243	11	g	g	NOUN
iogr-1334	243	12	)	)	PUNCT
iogr-1334	243	13	12	12	NUM
iogr-1334	243	14	12	12	NUM
iogr-1334	243	15	mass	mass	NOUN
iogr-1334	243	16	after	after	ADP
iogr-1334	243	17	heating	heat	VERB
iogr-1334	243	18	(	(	PUNCT
iogr-1334	243	19	g	g	NOUN
iogr-1334	243	20	)	)	PUNCT
iogr-1334	243	21	11.80	11.80	NUM
iogr-1334	243	22	11.83	11.83	NUM
iogr-1334	243	23	loss	loss	NOUN
iogr-1334	243	24	on	on	ADP
iogr-1334	243	25	ignition	ignition	NOUN
iogr-1334	243	26	(	(	PUNCT
iogr-1334	243	27	%	%	NOUN
iogr-1334	243	28	)	)	PUNCT
iogr-1334	243	29	1.67	1.67	NUM
iogr-1334	243	30	1.42	1.42	NUM
iogr-1334	243	31	hardness	hardness	NOUN
iogr-1334	243	32	result	result	NOUN
iogr-1334	243	33	.	.	PUNCT
iogr-1334	244	1	the	the	DET
iogr-1334	244	2	hardness	hardness	NOUN
iogr-1334	244	3	was	be	AUX
iogr-1334	244	4	observed	observe	VERB
iogr-1334	244	5	to	to	PART
iogr-1334	244	6	be	be	AUX
iogr-1334	244	7	seven	seven	NUM
iogr-1334	244	8	for	for	ADP
iogr-1334	244	9	quartz	quartz	NOUN
iogr-1334	244	10	sand	sand	NOUN
iogr-1334	244	11	and	and	CCONJ
iogr-1334	244	12	eight	eight	NUM
iogr-1334	244	13	for	for	ADP
iogr-1334	244	14	topaz	topaz	NOUN
iogr-1334	244	15	sand	sand	NOUN
iogr-1334	244	16	,	,	PUNCT
iogr-1334	244	17	as	as	SCONJ
iogr-1334	244	18	shown	show	VERB
iogr-1334	244	19	in	in	ADP
iogr-1334	244	20	table	table	NOUN
iogr-1334	244	21	10	10	NUM
iogr-1334	244	22	.	.	PUNCT
iogr-1334	245	1	this	this	PRON
iogr-1334	245	2	means	mean	VERB
iogr-1334	245	3	that	that	SCONJ
iogr-1334	245	4	the	the	DET
iogr-1334	245	5	quartz	quartz	NOUN
iogr-1334	245	6	sand	sand	NOUN
iogr-1334	245	7	sample	sample	NOUN
iogr-1334	245	8	can	can	AUX
iogr-1334	245	9	scratch	scratch	VERB
iogr-1334	245	10	minerals	mineral	NOUN
iogr-1334	245	11	with	with	ADP
iogr-1334	245	12	mohs	mohs	PROPN
iogr-1334	245	13	hardness	hardness	ADJ
iogr-1334	245	14	values	value	NOUN
iogr-1334	245	15	from	from	ADP
iogr-1334	245	16	1	1	NUM
iogr-1334	245	17	to	to	ADP
iogr-1334	245	18	6	6	NUM
iogr-1334	245	19	but	but	CCONJ
iogr-1334	245	20	can	can	AUX
iogr-1334	245	21	not	not	PART
iogr-1334	245	22	scratch	scratch	VERB
iogr-1334	245	23	those	those	PRON
iogr-1334	245	24	rated	rate	VERB
iogr-1334	245	25	above	above	ADP
iogr-1334	245	26	7	7	NUM
iogr-1334	245	27	.	.	PUNCT
iogr-1334	245	28	similarly	similarly	ADV
iogr-1334	245	29	,	,	PUNCT
iogr-1334	245	30	the	the	DET
iogr-1334	245	31	topaz	topaz	NOUN
iogr-1334	245	32	sand	sand	NOUN
iogr-1334	245	33	can	can	AUX
iogr-1334	245	34	scratch	scratch	VERB
iogr-1334	245	35	minerals	mineral	NOUN
iogr-1334	245	36	rated	rate	VERB
iogr-1334	245	37	from	from	ADP
iogr-1334	245	38	1	1	NUM
iogr-1334	245	39	to	to	ADP
iogr-1334	245	40	7	7	NUM
iogr-1334	245	41	on	on	ADP
iogr-1334	245	42	the	the	DET
iogr-1334	245	43	mohs	mohs	NOUN
iogr-1334	245	44	scale	scale	NOUN
iogr-1334	245	45	but	but	CCONJ
iogr-1334	245	46	not	not	PART
iogr-1334	245	47	those	those	PRON
iogr-1334	245	48	rated	rate	VERB
iogr-1334	245	49	eight	eight	NUM
iogr-1334	245	50	or	or	CCONJ
iogr-1334	245	51	higher	high	ADJ
iogr-1334	245	52	.	.	PUNCT
iogr-1334	246	1	0	0	NUM
iogr-1334	246	2	2	2	NUM
iogr-1334	246	3	4	4	NUM
iogr-1334	246	4	6	6	NUM
iogr-1334	246	5	8	8	NUM
iogr-1334	246	6	10	10	NUM
iogr-1334	246	7	12	12	NUM
iogr-1334	246	8	0	0	NUM
iogr-1334	246	9	1000	1000	NUM
iogr-1334	246	10	2000	2000	NUM
iogr-1334	246	11	3000	3000	NUM
iogr-1334	246	12	4000	4000	NUM
iogr-1334	246	13	5000	5000	NUM
iogr-1334	246	14	p	p	NOUN
iogr-1334	246	15	er	er	INTJ
iogr-1334	246	16	ce	ce	PROPN
iogr-1334	246	17	n	n	PROPN
iogr-1334	246	18	t	t	PROPN
iogr-1334	246	19	cr	cr	X
iogr-1334	246	20	u	u	PROPN
iogr-1334	247	1	sh	sh	PROPN
iogr-1334	247	2	ed	ed	NOUN
iogr-1334	247	3	(	(	PUNCT
iogr-1334	247	4	%	%	NOUN
iogr-1334	247	5	)	)	PUNCT
iogr-1334	247	6	pressure	pressure	NOUN
iogr-1334	247	7	(	(	PUNCT
iogr-1334	247	8	psi	psi	NOUN
iogr-1334	247	9	)	)	PUNCT
iogr-1334	247	10	resin	resin	NOUN
iogr-1334	247	11	-	-	PUNCT
iogr-1334	247	12	coated	coat	VERB
iogr-1334	247	13	sand	sand	NOUN
iogr-1334	247	14	(	(	PUNCT
iogr-1334	247	15	topaz	topaz	NOUN
iogr-1334	247	16	)	)	PUNCT
iogr-1334	247	17	resin	resin	NOUN
iogr-1334	247	18	-	-	PUNCT
iogr-1334	247	19	coated	coat	VERB
iogr-1334	247	20	sand	sand	NOUN
iogr-1334	247	21	(	(	PUNCT
iogr-1334	247	22	quartz	quartz	NOUN
iogr-1334	247	23	)	)	PUNCT
iogr-1334	247	24	improved	improve	VERB
iogr-1334	247	25	oil	oil	NOUN
iogr-1334	247	26	and	and	CCONJ
iogr-1334	247	27	gas	gas	NOUN
iogr-1334	247	28	recovery	recovery	NOUN
iogr-1334	247	29	13	13	NUM
iogr-1334	247	30	table	table	NOUN
iogr-1334	247	31	10	10	NUM
iogr-1334	247	32	—	—	PUNCT
iogr-1334	247	33	hardness	hardness	ADJ
iogr-1334	247	34	test	test	NOUN
iogr-1334	247	35	for	for	ADP
iogr-1334	247	36	quartz	quartz	NOUN
iogr-1334	247	37	and	and	CCONJ
iogr-1334	247	38	topaz	topaz	NOUN
iogr-1334	247	39	sand	sand	NOUN
iogr-1334	247	40	.	.	PUNCT
iogr-1334	248	1	minerals	mineral	NOUN
iogr-1334	248	2	number	number	NOUN
iogr-1334	248	3	quartz	quartz	NOUN
iogr-1334	248	4	topaz	topaz	NOUN
iogr-1334	248	5	talc	talc	NOUN
iogr-1334	248	6	1	1	NUM
iogr-1334	248	7	scratched	scratch	VERB
iogr-1334	248	8	scratched	scratch	VERB
iogr-1334	248	9	gypsum	gypsum	NOUN
iogr-1334	248	10	2	2	NUM
iogr-1334	248	11	calcite	calcite	NOUN
iogr-1334	248	12	3	3	NUM
iogr-1334	248	13	fluorite	fluorite	NOUN
iogr-1334	248	14	4	4	NUM
iogr-1334	248	15	apatite	apatite	NOUN
iogr-1334	248	16	5	5	NUM
iogr-1334	248	17	orthoclase	orthoclase	NOUN
iogr-1334	248	18	6	6	NUM
iogr-1334	248	19	quartz	quartz	NOUN
iogr-1334	248	20	7	7	NUM
iogr-1334	248	21	7	7	NUM
iogr-1334	248	22	topaz	topaz	NOUN
iogr-1334	248	23	8	8	NUM
iogr-1334	248	24	not	not	PART
iogr-1334	248	25	scratched	scratch	VERB
iogr-1334	248	26	8	8	NUM
iogr-1334	248	27	corundum	corundum	NOUN
iogr-1334	248	28	9	9	NUM
iogr-1334	248	29	not	not	PART
iogr-1334	248	30	scratched	scratch	VERB
iogr-1334	248	31	diamond	diamond	NOUN
iogr-1334	248	32	10	10	NUM
iogr-1334	248	33	note	note	NOUN
iogr-1334	248	34	:	:	PUNCT
iogr-1334	248	35	the	the	DET
iogr-1334	248	36	hardness	hardness	NOUN
iogr-1334	248	37	of	of	ADP
iogr-1334	248	38	the	the	DET
iogr-1334	248	39	quartz	quartz	NOUN
iogr-1334	248	40	and	and	CCONJ
iogr-1334	248	41	topaz	topaz	NOUN
iogr-1334	248	42	are	be	AUX
iogr-1334	248	43	7	7	NUM
iogr-1334	248	44	and	and	CCONJ
iogr-1334	248	45	8	8	NUM
iogr-1334	248	46	respectively	respectively	ADV
iogr-1334	248	47	.	.	PUNCT
iogr-1334	249	1	table	table	NOUN
iogr-1334	249	2	11	11	NUM
iogr-1334	249	3	presents	present	VERB
iogr-1334	249	4	a	a	DET
iogr-1334	249	5	comparison	comparison	NOUN
iogr-1334	249	6	of	of	ADP
iogr-1334	249	7	the	the	DET
iogr-1334	249	8	results	result	NOUN
iogr-1334	249	9	for	for	ADP
iogr-1334	249	10	quartz	quartz	NOUN
iogr-1334	249	11	sand	sand	NOUN
iogr-1334	249	12	,	,	PUNCT
iogr-1334	249	13	topaz	topaz	NOUN
iogr-1334	249	14	sand	sand	NOUN
iogr-1334	249	15	,	,	PUNCT
iogr-1334	249	16	and	and	CCONJ
iogr-1334	249	17	the	the	DET
iogr-1334	249	18	api	api	NOUN
iogr-1334	249	19	and	and	CCONJ
iogr-1334	249	20	iso	iso	NOUN
iogr-1334	249	21	standards	standard	NOUN
iogr-1334	249	22	.	.	PUNCT
iogr-1334	250	1	the	the	DET
iogr-1334	250	2	xrf	xrf	PROPN
iogr-1334	250	3	values	value	NOUN
iogr-1334	250	4	were	be	AUX
iogr-1334	250	5	79	79	NUM
iogr-1334	250	6	%	%	NOUN
iogr-1334	250	7	for	for	ADP
iogr-1334	250	8	quartz	quartz	NOUN
iogr-1334	250	9	sand	sand	NOUN
iogr-1334	250	10	and	and	CCONJ
iogr-1334	250	11	72	72	NUM
iogr-1334	250	12	%	%	NOUN
iogr-1334	250	13	for	for	ADP
iogr-1334	250	14	topaz	topaz	NOUN
iogr-1334	250	15	sand	sand	NOUN
iogr-1334	250	16	,	,	PUNCT
iogr-1334	250	17	while	while	SCONJ
iogr-1334	250	18	ottawa	ottawa	PROPN
iogr-1334	250	19	sand	sand	NOUN
iogr-1334	250	20	recorded	record	VERB
iogr-1334	250	21	a	a	DET
iogr-1334	250	22	higher	high	ADJ
iogr-1334	250	23	value	value	NOUN
iogr-1334	250	24	of	of	ADP
iogr-1334	250	25	82	82	NUM
iogr-1334	250	26	%	%	NOUN
iogr-1334	250	27	which	which	PRON
iogr-1334	250	28	is	be	AUX
iogr-1334	250	29	likely	likely	ADV
iogr-1334	250	30	attributed	attribute	VERB
iogr-1334	250	31	to	to	ADP
iogr-1334	250	32	its	its	PRON
iogr-1334	250	33	formation	formation	NOUN
iogr-1334	250	34	.	.	PUNCT
iogr-1334	251	1	the	the	DET
iogr-1334	251	2	bulk	bulk	ADJ
iogr-1334	251	3	density	density	NOUN
iogr-1334	251	4	was	be	AUX
iogr-1334	251	5	1.24	1.24	NUM
iogr-1334	251	6	g	g	NOUN
iogr-1334	251	7	/	/	SYM
iogr-1334	251	8	cm3	cm3	NOUN
iogr-1334	251	9	for	for	ADP
iogr-1334	251	10	quartz	quartz	NOUN
iogr-1334	251	11	sand	sand	NOUN
iogr-1334	251	12	and	and	CCONJ
iogr-1334	251	13	1.28	1.28	NUM
iogr-1334	251	14	g	g	NOUN
iogr-1334	251	15	/	/	SYM
iogr-1334	251	16	cm3	cm3	NOUN
iogr-1334	251	17	for	for	ADP
iogr-1334	251	18	topaz	topaz	NOUN
iogr-1334	251	19	sand	sand	NOUN
iogr-1334	251	20	,	,	PUNCT
iogr-1334	251	21	compared	compare	VERB
iogr-1334	251	22	to	to	ADP
iogr-1334	251	23	1.53	1.53	NUM
iogr-1334	251	24	g	g	NOUN
iogr-1334	251	25	/	/	SYM
iogr-1334	251	26	cm3	cm3	NOUN
iogr-1334	251	27	for	for	ADP
iogr-1334	251	28	ottawa	ottawa	NOUN
iogr-1334	251	29	sand	sand	NOUN
iogr-1334	251	30	.	.	PUNCT
iogr-1334	252	1	the	the	DET
iogr-1334	252	2	crush	crush	NOUN
iogr-1334	252	3	resistance	resistance	NOUN
iogr-1334	252	4	and	and	CCONJ
iogr-1334	252	5	loss	loss	NOUN
iogr-1334	252	6	on	on	ADP
iogr-1334	252	7	ignition	ignition	NOUN
iogr-1334	252	8	values	value	NOUN
iogr-1334	252	9	are	be	AUX
iogr-1334	252	10	consistent	consistent	ADJ
iogr-1334	252	11	with	with	ADP
iogr-1334	252	12	the	the	DET
iogr-1334	252	13	findings	finding	NOUN
iogr-1334	252	14	of	of	ADP
iogr-1334	252	15	kamel	kamel	PROPN
iogr-1334	252	16	et	et	PROPN
iogr-1334	252	17	al	al	PROPN
iogr-1334	252	18	.	.	PROPN
iogr-1334	253	1	(	(	PUNCT
iogr-1334	253	2	2019	2019	NUM
iogr-1334	253	3	)	)	PUNCT
iogr-1334	253	4	.	.	PUNCT
iogr-1334	254	1	overall	overall	ADV
iogr-1334	254	2	,	,	PUNCT
iogr-1334	254	3	the	the	DET
iogr-1334	254	4	results	result	NOUN
iogr-1334	254	5	meet	meet	VERB
iogr-1334	254	6	the	the	DET
iogr-1334	254	7	required	require	VERB
iogr-1334	254	8	specifications	specification	NOUN
iogr-1334	254	9	.	.	PUNCT
iogr-1334	255	1	table	table	NOUN
iogr-1334	255	2	11	11	NUM
iogr-1334	255	3	—	—	PUNCT
iogr-1334	255	4	comparison	comparison	NOUN
iogr-1334	255	5	of	of	ADP
iogr-1334	255	6	results	result	NOUN
iogr-1334	255	7	with	with	ADP
iogr-1334	255	8	standard	standard	ADJ
iogr-1334	255	9	method	method	NOUN
iogr-1334	255	10	.	.	PUNCT
iogr-1334	256	1	properties	property	NOUN
iogr-1334	256	2	ottawa	ottawa	PROPN
iogr-1334	256	3	sand	sand	VERB
iogr-1334	256	4	this	this	DET
iogr-1334	256	5	study	study	NOUN
iogr-1334	256	6	api	api	NOUN
iogr-1334	256	7	/	/	SYM
iogr-1334	256	8	iso	iso	PROPN
iogr-1334	256	9	standard	standard	NOUN
iogr-1334	256	10	xrf	xrf	PROPN
iogr-1334	256	11	(	(	PUNCT
iogr-1334	256	12	silicon	silicon	NOUN
iogr-1334	256	13	oxide	oxide	NOUN
iogr-1334	256	14	)	)	PUNCT
iogr-1334	256	15	ottawa	ottawa	PROPN
iogr-1334	256	16	sand	sand	VERB
iogr-1334	256	17	79	79	NUM
iogr-1334	256	18	%	%	NOUN
iogr-1334	256	19	for	for	ADP
iogr-1334	256	20	quartz	quartz	NOUN
iogr-1334	256	21	sand	sand	NOUN
iogr-1334	256	22	;	;	PUNCT
iogr-1334	256	23	72	72	NUM
iogr-1334	256	24	%	%	NOUN
iogr-1334	256	25	for	for	ADP
iogr-1334	256	26	topaz	topaz	NOUN
iogr-1334	256	27	;	;	PUNCT
iogr-1334	256	28	≥	≥	NUM
iogr-1334	256	29	70	70	NUM
iogr-1334	256	30	%	%	NOUN
iogr-1334	256	31	particle	particle	NOUN
iogr-1334	256	32	sand	sand	NOUN
iogr-1334	256	33	size	size	NOUN
iogr-1334	256	34	82	82	NUM
iogr-1334	256	35	%	%	NOUN
iogr-1334	256	36	100	100	NUM
iogr-1334	256	37	%	%	NOUN
iogr-1334	256	38	for	for	ADP
iogr-1334	256	39	quartz	quartz	NOUN
iogr-1334	256	40	and	and	CCONJ
iogr-1334	256	41	topaz	topaz	NOUN
iogr-1334	256	42	sand	sand	NOUN
iogr-1334	256	43	;	;	PUNCT
iogr-1334	256	44	>	>	PUNCT
iogr-1334	256	45	90	90	NUM
iogr-1334	256	46	%	%	NOUN
iogr-1334	256	47	(	(	PUNCT
iogr-1334	256	48	850	850	NUM
iogr-1334	256	49	-	-	PUNCT
iogr-1334	256	50	425μm	425μm	NOUN
iogr-1334	256	51	)	)	PUNCT
iogr-1334	256	52	roundness	roundness	NOUN
iogr-1334	256	53	and	and	CCONJ
iogr-1334	256	54	sphericity	sphericity	NOUN
iogr-1334	256	55	0.80	0.80	NUM
iogr-1334	256	56	0.7	0.7	NUM
iogr-1334	256	57	for	for	ADP
iogr-1334	256	58	both	both	PRON
iogr-1334	256	59	quartz	quartz	NOUN
iogr-1334	256	60	and	and	CCONJ
iogr-1334	256	61	topaz	topaz	NOUN
iogr-1334	256	62	sand	sand	NOUN
iogr-1334	256	63	;	;	PUNCT
iogr-1334	256	64	≥	≥	NUM
iogr-1334	256	65	0.6	0.6	NUM
iogr-1334	256	66	turbidity	turbidity	NOUN
iogr-1334	256	67	10.0	10.0	NUM
iogr-1334	256	68	ntu	ntu	NOUN
iogr-1334	256	69	2.80	2.80	NUM
iogr-1334	256	70	ntu	ntu	NOUN
iogr-1334	256	71	for	for	ADP
iogr-1334	256	72	quartz	quartz	NOUN
iogr-1334	256	73	;	;	PUNCT
iogr-1334	256	74	3.83	3.83	NUM
iogr-1334	256	75	ntu	ntu	NOUN
iogr-1334	256	76	for	for	ADP
iogr-1334	256	77	topaz	topaz	NOUN
iogr-1334	256	78	;	;	PUNCT
iogr-1334	256	79	<	<	X
iogr-1334	256	80	250	250	NUM
iogr-1334	256	81	ntu	ntu	ADJ
iogr-1334	256	82	bulk	bulk	ADJ
iogr-1334	256	83	density	density	NOUN
iogr-1334	256	84	1.53	1.53	NUM
iogr-1334	256	85	(	(	PUNCT
iogr-1334	256	86	g	g	NOUN
iogr-1334	256	87	/	/	SYM
iogr-1334	256	88	cm3	cm3	NOUN
iogr-1334	256	89	)	)	PUNCT
iogr-1334	256	90	1.24	1.24	NUM
iogr-1334	256	91	(	(	PUNCT
iogr-1334	256	92	g	g	NOUN
iogr-1334	256	93	/	/	SYM
iogr-1334	256	94	cm3	cm3	NOUN
iogr-1334	256	95	)	)	PUNCT
iogr-1334	256	96	for	for	ADP
iogr-1334	256	97	quarts	quart	NOUN
iogr-1334	256	98	;	;	PUNCT
iogr-1334	256	99	1.28	1.28	NUM
iogr-1334	256	100	(	(	PUNCT
iogr-1334	256	101	g	g	NOUN
iogr-1334	256	102	/	/	SYM
iogr-1334	256	103	cm3	cm3	NOUN
iogr-1334	256	104	)	)	PUNCT
iogr-1334	256	105	for	for	ADP
iogr-1334	256	106	topaz	topaz	NOUN
iogr-1334	256	107	sand	sand	NOUN
iogr-1334	256	108	;	;	PUNCT
iogr-1334	256	109	<	<	X
iogr-1334	256	110	2.0	2.0	NUM
iogr-1334	256	111	(	(	PUNCT
iogr-1334	256	112	g	g	NOUN
iogr-1334	256	113	/	/	SYM
iogr-1334	256	114	cm3	cm3	NOUN
iogr-1334	256	115	)	)	PUNCT
iogr-1334	256	116	acid	acid	NOUN
iogr-1334	256	117	solubility	solubility	NOUN
iogr-1334	256	118	1.00	1.00	NUM
iogr-1334	256	119	1.50	1.50	NUM
iogr-1334	256	120	%	%	NOUN
iogr-1334	256	121	for	for	ADP
iogr-1334	256	122	quartz	quartz	NOUN
iogr-1334	256	123	;	;	PUNCT
iogr-1334	256	124	1.72	1.72	NUM
iogr-1334	256	125	%	%	NOUN
iogr-1334	256	126	for	for	ADP
iogr-1334	256	127	topaz	topaz	NOUN
iogr-1334	256	128	;	;	PUNCT
iogr-1334	256	129	<	<	X
iogr-1334	256	130	2.0	2.0	NUM
iogr-1334	256	131	%	%	NOUN
iogr-1334	256	132	crush	crush	NOUN
iogr-1334	256	133	resistance	resistance	NOUN
iogr-1334	256	134	9.5	9.5	NUM
iogr-1334	256	135	%	%	NOUN
iogr-1334	256	136	<	<	X
iogr-1334	256	137	10	10	NUM
iogr-1334	256	138	%	%	NOUN
iogr-1334	256	139	fines	fine	NOUN
iogr-1334	256	140	generated	generate	VERB
iogr-1334	256	141	@	@	ADP
iogr-1334	256	142	2500	2500	NUM
iogr-1334	256	143	psi	psi	NOUN
iogr-1334	256	144	for	for	ADP
iogr-1334	256	145	quartz	quartz	NOUN
iogr-1334	256	146	and	and	CCONJ
iogr-1334	256	147	topaz	topaz	NOUN
iogr-1334	256	148	sand	sand	NOUN
iogr-1334	256	149	(	(	PUNCT
iogr-1334	256	150	uncoated	uncoated	ADJ
iogr-1334	256	151	sand	sand	NOUN
iogr-1334	256	152	)	)	PUNCT
iogr-1334	256	153	;	;	PUNCT
iogr-1334	256	154	<	<	X
iogr-1334	256	155	10	10	NUM
iogr-1334	256	156	%	%	NOUN
iogr-1334	256	157	fines	fine	NOUN
iogr-1334	256	158	generated	generate	VERB
iogr-1334	256	159	@	@	ADP
iogr-1334	256	160	4000	4000	NUM
iogr-1334	256	161	psi	psi	NOUN
iogr-1334	256	162	for	for	ADP
iogr-1334	256	163	quartz	quartz	NOUN
iogr-1334	256	164	and	and	CCONJ
iogr-1334	256	165	topaz	topaz	NOUN
iogr-1334	256	166	sand	sand	NOUN
iogr-1334	256	167	(	(	PUNCT
iogr-1334	256	168	resin	resin	NOUN
iogr-1334	256	169	coated	coat	VERB
iogr-1334	256	170	sand	sand	NOUN
iogr-1334	256	171	)	)	PUNCT
iogr-1334	256	172	<	<	X
iogr-1334	256	173	10	10	NUM
iogr-1334	256	174	%	%	NOUN
iogr-1334	256	175	fines	fine	NOUN
iogr-1334	256	176	loss	loss	NOUN
iogr-1334	256	177	on	on	ADP
iogr-1334	256	178	ignition	ignition	NOUN
iogr-1334	256	179	2.5	2.5	NUM
iogr-1334	256	180	%	%	NOUN
iogr-1334	256	181	1.67	1.67	NUM
iogr-1334	256	182	%	%	NOUN
iogr-1334	256	183	for	for	ADP
iogr-1334	256	184	quartz	quartz	NOUN
iogr-1334	256	185	sand	sand	NOUN
iogr-1334	256	186	;	;	PUNCT
iogr-1334	256	187	1.42	1.42	NUM
iogr-1334	256	188	%	%	NOUN
iogr-1334	256	189	for	for	ADP
iogr-1334	256	190	topaz	topaz	NOUN
iogr-1334	256	191	sand	sand	NOUN
iogr-1334	256	192	;	;	PUNCT
iogr-1334	256	193	<	<	X
iogr-1334	256	194	2.0	2.0	NUM
iogr-1334	256	195	%	%	NOUN
iogr-1334	256	196	improved	improve	VERB
iogr-1334	256	197	oil	oil	NOUN
iogr-1334	256	198	and	and	CCONJ
iogr-1334	256	199	gas	gas	NOUN
iogr-1334	256	200	recovery	recovery	NOUN
iogr-1334	256	201	14	14	NUM
iogr-1334	256	202	economic	economic	ADJ
iogr-1334	256	203	analysis	analysis	NOUN
iogr-1334	256	204	.	.	PUNCT
iogr-1334	257	1	the	the	DET
iogr-1334	257	2	economy	economy	NOUN
iogr-1334	257	3	analysis	analysis	NOUN
iogr-1334	257	4	was	be	AUX
iogr-1334	257	5	used	use	VERB
iogr-1334	257	6	to	to	PART
iogr-1334	257	7	investigate	investigate	VERB
iogr-1334	257	8	the	the	DET
iogr-1334	257	9	potential	potential	NOUN
iogr-1334	257	10	of	of	ADP
iogr-1334	257	11	the	the	DET
iogr-1334	257	12	proppant	proppant	NOUN
iogr-1334	257	13	in	in	ADP
iogr-1334	257	14	hydraulic	hydraulic	ADJ
iogr-1334	257	15	operations	operation	NOUN
iogr-1334	257	16	,	,	PUNCT
iogr-1334	257	17	and	and	CCONJ
iogr-1334	257	18	to	to	PART
iogr-1334	257	19	examine	examine	VERB
iogr-1334	257	20	the	the	DET
iogr-1334	257	21	feasibility	feasibility	NOUN
iogr-1334	257	22	of	of	ADP
iogr-1334	257	23	the	the	DET
iogr-1334	257	24	proppants	proppant	NOUN
iogr-1334	257	25	for	for	ADP
iogr-1334	257	26	use	use	NOUN
iogr-1334	257	27	in	in	ADP
iogr-1334	257	28	the	the	DET
iogr-1334	257	29	niger	niger	NOUN
iogr-1334	257	30	delta	delta	NOUN
iogr-1334	257	31	oil	oil	NOUN
iogr-1334	257	32	fields	field	NOUN
iogr-1334	257	33	.	.	PUNCT
iogr-1334	258	1	tables	table	NOUN
iogr-1334	258	2	12	12	NUM
iogr-1334	258	3	and	and	CCONJ
iogr-1334	258	4	13	13	NUM
iogr-1334	258	5	show	show	VERB
iogr-1334	258	6	the	the	DET
iogr-1334	258	7	parameters	parameter	NOUN
iogr-1334	258	8	used	use	VERB
iogr-1334	258	9	for	for	ADP
iogr-1334	258	10	economic	economic	ADJ
iogr-1334	258	11	analysis	analysis	NOUN
iogr-1334	258	12	.	.	PUNCT
iogr-1334	259	1	table	table	NOUN
iogr-1334	259	2	12	12	NUM
iogr-1334	259	3	—	—	PUNCT
iogr-1334	259	4	parameters	parameter	NOUN
iogr-1334	259	5	used	use	VERB
iogr-1334	259	6	for	for	ADP
iogr-1334	259	7	the	the	DET
iogr-1334	259	8	economic	economic	ADJ
iogr-1334	259	9	analysis	analysis	NOUN
iogr-1334	259	10	(	(	PUNCT
iogr-1334	259	11	capital	capital	NOUN
iogr-1334	259	12	expenditure	expenditure	NOUN
iogr-1334	259	13	)	)	PUNCT
iogr-1334	259	14	.	.	PUNCT
iogr-1334	260	1	s	s	AUX
iogr-1334	260	2	/	/	SYM
iogr-1334	260	3	no	no	DET
iogr-1334	260	4	parameters	parameter	NOUN
iogr-1334	260	5	quality	quality	NOUN
iogr-1334	260	6	/	/	SYM
iogr-1334	260	7	price	price	NOUN
iogr-1334	260	8	1	1	NUM
iogr-1334	260	9	quartz	quartz	NOUN
iogr-1334	260	10	sand	sand	NOUN
iogr-1334	260	11	$	$	SYM
iogr-1334	260	12	570	570	NUM
iogr-1334	260	13	per	per	ADP
iogr-1334	260	14	ton	ton	NOUN
iogr-1334	260	15	2	2	NUM
iogr-1334	260	16	topaz	topaz	NOUN
iogr-1334	260	17	sand	sand	VERB
iogr-1334	260	18	$	$	SYM
iogr-1334	260	19	680	680	NUM
iogr-1334	260	20	per	per	ADP
iogr-1334	260	21	ton	ton	NOUN
iogr-1334	260	22	total	total	NOUN
iogr-1334	260	23	capex	capex	NOUN
iogr-1334	260	24	$	$	SYM
iogr-1334	260	25	1250	1250	NUM
iogr-1334	260	26	table	table	NOUN
iogr-1334	260	27	13	13	NUM
iogr-1334	260	28	—	—	PUNCT
iogr-1334	260	29	operating	operate	VERB
iogr-1334	260	30	expenses	expense	NOUN
iogr-1334	260	31	(	(	PUNCT
iogr-1334	260	32	opex	opex	PROPN
iogr-1334	260	33	)	)	PUNCT
iogr-1334	260	34	.	.	PUNCT
iogr-1334	261	1	parameters	parameter	NOUN
iogr-1334	261	2	case	case	VERB
iogr-1334	261	3	a	a	DET
iogr-1334	261	4	(	(	PUNCT
iogr-1334	261	5	topaz	topaz	NOUN
iogr-1334	261	6	sand	sand	NOUN
iogr-1334	261	7	)	)	PUNCT
iogr-1334	261	8	case	case	NOUN
iogr-1334	261	9	b	b	X
iogr-1334	261	10	(	(	PUNCT
iogr-1334	261	11	quartz	quartz	NOUN
iogr-1334	261	12	sand	sand	NOUN
iogr-1334	261	13	)	)	PUNCT
iogr-1334	261	14	transportation	transportation	NOUN
iogr-1334	261	15	cost	cost	VERB
iogr-1334	261	16	$	$	SYM
iogr-1334	261	17	400	400	NUM
iogr-1334	261	18	per	per	ADP
iogr-1334	261	19	ton	ton	NOUN
iogr-1334	261	20	$	$	SYM
iogr-1334	261	21	300	300	NUM
iogr-1334	261	22	per	per	ADP
iogr-1334	261	23	ton	ton	NOUN
iogr-1334	261	24	labor	labor	NOUN
iogr-1334	261	25	assumed	assume	VERB
iogr-1334	261	26	two	two	NUM
iogr-1334	261	27	workers	worker	NOUN
iogr-1334	261	28	$	$	SYM
iogr-1334	261	29	200	200	NUM
iogr-1334	261	30	$	$	SYM
iogr-1334	261	31	200	200	NUM
iogr-1334	261	32	maintenance	maintenance	NOUN
iogr-1334	261	33	/	/	SYM
iogr-1334	261	34	repair	repair	NOUN
iogr-1334	261	35	expenses	expense	VERB
iogr-1334	261	36	$	$	SYM
iogr-1334	261	37	500	500	NUM
iogr-1334	261	38	$	$	SYM
iogr-1334	261	39	500	500	NUM
iogr-1334	261	40	miscellaneous	miscellaneous	ADJ
iogr-1334	261	41	expenses	expense	NOUN
iogr-1334	261	42	$	$	SYM
iogr-1334	261	43	300	300	NUM
iogr-1334	261	44	$	$	SYM
iogr-1334	261	45	300	300	NUM
iogr-1334	261	46	total	total	NOUN
iogr-1334	261	47	opex	opex	NOUN
iogr-1334	261	48	$	$	SYM
iogr-1334	261	49	1400	1400	NUM
iogr-1334	261	50	$	$	SYM
iogr-1334	261	51	1300	1300	NUM
iogr-1334	261	52	the	the	DET
iogr-1334	261	53	following	follow	VERB
iogr-1334	261	54	assumptions	assumption	NOUN
iogr-1334	261	55	were	be	AUX
iogr-1334	261	56	made	make	VERB
iogr-1334	261	57	.	.	PUNCT
iogr-1334	262	1	i.	i.	PROPN
iogr-1334	262	2	discount	discount	PROPN
iogr-1334	262	3	rate	rate	NOUN
iogr-1334	262	4	of	of	ADP
iogr-1334	262	5	10	10	NUM
iogr-1334	262	6	%	%	NOUN
iogr-1334	262	7	,	,	PUNCT
iogr-1334	262	8	ii	ii	PROPN
iogr-1334	262	9	.	.	PUNCT
iogr-1334	263	1	each	each	DET
iogr-1334	263	2	ton	ton	NOUN
iogr-1334	263	3	of	of	ADP
iogr-1334	263	4	sand	sand	NOUN
iogr-1334	263	5	generates	generate	VERB
iogr-1334	263	6	$	$	SYM
iogr-1334	263	7	2,000	2,000	NUM
iogr-1334	263	8	in	in	ADP
iogr-1334	263	9	revenue	revenue	NOUN
iogr-1334	263	10	,	,	PUNCT
iogr-1334	263	11	iii	iii	PROPN
iogr-1334	263	12	.	.	PUNCT
iogr-1334	264	1	the	the	DET
iogr-1334	264	2	operation	operation	NOUN
iogr-1334	264	3	uses	use	VERB
iogr-1334	264	4	1	1	NUM
iogr-1334	264	5	ton	ton	NOUN
iogr-1334	264	6	of	of	ADP
iogr-1334	264	7	sand	sand	NOUN
iogr-1334	264	8	per	per	ADP
iogr-1334	264	9	year	year	NOUN
iogr-1334	264	10	,	,	PUNCT
iogr-1334	264	11	iv	iv	X
iogr-1334	264	12	.	.	PROPN
iogr-1334	264	13	project	project	NOUN
iogr-1334	264	14	duration	duration	NOUN
iogr-1334	264	15	will	will	AUX
iogr-1334	264	16	last	last	VERB
iogr-1334	264	17	for	for	ADP
iogr-1334	264	18	ten	ten	NUM
iogr-1334	264	19	years	year	NOUN
iogr-1334	264	20	.	.	PUNCT
iogr-1334	265	1	the	the	DET
iogr-1334	265	2	following	follow	VERB
iogr-1334	265	3	equations	equation	NOUN
iogr-1334	265	4	were	be	AUX
iogr-1334	265	5	used	use	VERB
iogr-1334	265	6	in	in	ADP
iogr-1334	265	7	the	the	DET
iogr-1334	265	8	economic	economic	ADJ
iogr-1334	265	9	analysis	analysis	NOUN
iogr-1334	265	10	.	.	PUNCT
iogr-1334	266	1	𝑁𝑒𝑡	𝑁𝑒𝑡	ADJ
iogr-1334	266	2	𝑐𝑎𝑠ℎ	𝑐𝑎𝑠ℎ	NOUN
iogr-1334	266	3	𝑓𝑙𝑜𝑤	𝑓𝑙𝑜𝑤	NOUN
iogr-1334	266	4	(	(	PUNCT
iogr-1334	266	5	𝐹𝑉	𝐹𝑉	PROPN
iogr-1334	266	6	)	)	PUNCT
iogr-1334	266	7	=	=	SYM
iogr-1334	267	1	𝑅𝑒𝑣𝑒𝑛𝑢𝑒	𝑅𝑒𝑣𝑒𝑛𝑢𝑒	PROPN
iogr-1334	267	2	−	−	PROPN
iogr-1334	267	3	𝑇𝑜𝑡𝑎𝑙	𝑇𝑜𝑡𝑎𝑙	PROPN
iogr-1334	267	4	𝑂𝑃𝐸𝑋	𝑂𝑃𝐸𝑋	NOUN
iogr-1334	267	5	....................................................................................	....................................................................................	SYM
iogr-1334	267	6	(4	(4	NOUN
iogr-1334	267	7	)	)	PUNCT
iogr-1334	267	8	𝑃𝑉	𝑃𝑉	NOUN
iogr-1334	267	9	=	=	SYM
iogr-1334	267	10	𝐹𝑉	𝐹𝑉	PROPN
iogr-1334	267	11	(	(	PUNCT
iogr-1334	267	12	1+𝑖)𝑛	1+𝑖)𝑛	NUM
iogr-1334	267	13	..................................................................................................................................................	..................................................................................................................................................	PUNCT
iogr-1334	267	14	(	(	PUNCT
iogr-1334	267	15	5	5	X
iogr-1334	267	16	)	)	PUNCT
iogr-1334	267	17	𝑁𝑃𝑉	𝑁𝑃𝑉	PROPN
iogr-1334	267	18	=	=	SYM
iogr-1334	267	19	𝑇𝑜𝑡𝑎𝑙	𝑇𝑜𝑡𝑎𝑙	PROPN
iogr-1334	267	20	𝑃𝑉	𝑃𝑉	NOUN
iogr-1334	267	21	−	−	PROPN
iogr-1334	267	22	𝐼𝑛𝑖𝑡𝑖𝑎𝑙	𝐼𝑛𝑖𝑡𝑖𝑎𝑙	PROPN
iogr-1334	267	23	𝐶𝐴𝑃𝐸𝑋	𝐶𝐴𝑃𝐸𝑋	PROPN
iogr-1334	267	24	...............................................................................................................	...............................................................................................................	X
iogr-1334	267	25	(6	(6	PROPN
iogr-1334	267	26	)	)	PUNCT
iogr-1334	267	27	where	where	SCONJ
iogr-1334	267	28	fv	fv	PROPN
iogr-1334	267	29	is	be	AUX
iogr-1334	267	30	the	the	DET
iogr-1334	267	31	future	future	ADJ
iogr-1334	267	32	value	value	NOUN
iogr-1334	267	33	(	(	PUNCT
iogr-1334	267	34	cash	cash	NOUN
iogr-1334	267	35	flow	flow	NOUN
iogr-1334	267	36	per	per	ADP
iogr-1334	267	37	year	year	NOUN
iogr-1334	267	38	)	)	PUNCT
iogr-1334	267	39	,	,	PUNCT
iogr-1334	267	40	$	$	SYM
iogr-1334	267	41	;	;	PUNCT
iogr-1334	267	42	pv	pv	X
iogr-1334	267	43	is	be	AUX
iogr-1334	267	44	the	the	DET
iogr-1334	267	45	present	present	ADJ
iogr-1334	267	46	value	value	NOUN
iogr-1334	267	47	,	,	PUNCT
iogr-1334	267	48	$	$	SYM
iogr-1334	267	49	;	;	PUNCT
iogr-1334	267	50	i	i	PRON
iogr-1334	267	51	is	be	AUX
iogr-1334	267	52	the	the	DET
iogr-1334	267	53	discount	discount	NOUN
iogr-1334	267	54	rate	rate	NOUN
iogr-1334	267	55	,	,	PUNCT
iogr-1334	267	56	%	%	INTJ
iogr-1334	267	57	;	;	PUNCT
iogr-1334	267	58	n	n	X
iogr-1334	267	59	is	be	AUX
iogr-1334	267	60	the	the	DET
iogr-1334	267	61	number	number	NOUN
iogr-1334	267	62	of	of	ADP
iogr-1334	267	63	years	year	NOUN
iogr-1334	267	64	.	.	PUNCT
iogr-1334	268	1	improved	improve	VERB
iogr-1334	268	2	oil	oil	NOUN
iogr-1334	268	3	and	and	CCONJ
iogr-1334	268	4	gas	gas	NOUN
iogr-1334	268	5	recovery	recovery	NOUN
iogr-1334	268	6	15	15	NUM
iogr-1334	268	7	figure	figure	NOUN
iogr-1334	268	8	9	9	NUM
iogr-1334	268	9	—	—	PUNCT
iogr-1334	268	10	pv	pv	NOUN
iogr-1334	268	11	of	of	ADP
iogr-1334	268	12	cash	cash	NOUN
iogr-1334	268	13	flows	flow	NOUN
iogr-1334	268	14	over	over	ADP
iogr-1334	268	15	time	time	NOUN
iogr-1334	268	16	for	for	ADP
iogr-1334	268	17	topaz	topaz	NOUN
iogr-1334	268	18	and	and	CCONJ
iogr-1334	268	19	quartz	quartz	NOUN
iogr-1334	268	20	sand	sand	NOUN
iogr-1334	268	21	.	.	PUNCT
iogr-1334	269	1	figure	figure	NOUN
iogr-1334	269	2	9	9	NUM
iogr-1334	269	3	provides	provide	VERB
iogr-1334	269	4	valuable	valuable	ADJ
iogr-1334	269	5	insights	insight	NOUN
iogr-1334	269	6	into	into	ADP
iogr-1334	269	7	the	the	DET
iogr-1334	269	8	profitability	profitability	NOUN
iogr-1334	269	9	of	of	ADP
iogr-1334	269	10	using	use	VERB
iogr-1334	269	11	quartz	quartz	NOUN
iogr-1334	269	12	and	and	CCONJ
iogr-1334	269	13	topaz	topaz	NOUN
iogr-1334	269	14	sand	sand	NOUN
iogr-1334	269	15	as	as	ADP
iogr-1334	269	16	proppants	proppant	NOUN
iogr-1334	269	17	in	in	ADP
iogr-1334	269	18	niger	niger	NOUN
iogr-1334	269	19	delta	delta	NOUN
iogr-1334	269	20	oil	oil	NOUN
iogr-1334	269	21	field	field	NOUN
iogr-1334	269	22	.	.	PUNCT
iogr-1334	270	1	for	for	ADP
iogr-1334	270	2	the	the	DET
iogr-1334	270	3	project	project	NOUN
iogr-1334	270	4	utilizing	utilize	VERB
iogr-1334	270	5	topaz	topaz	NOUN
iogr-1334	270	6	sand	sand	NOUN
iogr-1334	270	7	,	,	PUNCT
iogr-1334	270	8	the	the	DET
iogr-1334	270	9	pv	pv	NOUN
iogr-1334	270	10	starts	start	VERB
iogr-1334	270	11	at	at	ADP
iogr-1334	270	12	$	$	SYM
iogr-1334	270	13	545.45	545.45	NUM
iogr-1334	270	14	in	in	ADP
iogr-1334	270	15	the	the	DET
iogr-1334	270	16	first	first	ADJ
iogr-1334	270	17	year	year	NOUN
iogr-1334	270	18	.	.	PUNCT
iogr-1334	271	1	over	over	ADP
iogr-1334	271	2	the	the	DET
iogr-1334	271	3	course	course	NOUN
iogr-1334	271	4	of	of	ADP
iogr-1334	271	5	10	10	NUM
iogr-1334	271	6	years	year	NOUN
iogr-1334	271	7	,	,	PUNCT
iogr-1334	271	8	it	it	PRON
iogr-1334	271	9	gradually	gradually	ADV
iogr-1334	271	10	decreased	decrease	VERB
iogr-1334	271	11	due	due	ADP
iogr-1334	271	12	to	to	ADP
iogr-1334	271	13	the	the	DET
iogr-1334	271	14	discounting	discount	VERB
iogr-1334	271	15	effect	effect	NOUN
iogr-1334	271	16	of	of	ADP
iogr-1334	271	17	10	10	NUM
iogr-1334	271	18	%	%	NOUN
iogr-1334	271	19	,	,	PUNCT
iogr-1334	271	20	reaching	reach	VERB
iogr-1334	271	21	$	$	SYM
iogr-1334	271	22	231.32	231.32	NUM
iogr-1334	271	23	in	in	ADP
iogr-1334	271	24	the	the	DET
iogr-1334	271	25	10th	10th	ADJ
iogr-1334	271	26	year	year	NOUN
iogr-1334	271	27	.	.	PUNCT
iogr-1334	272	1	the	the	DET
iogr-1334	272	2	total	total	ADJ
iogr-1334	272	3	pv	pv	NOUN
iogr-1334	272	4	of	of	ADP
iogr-1334	272	5	net	net	ADJ
iogr-1334	272	6	cash	cash	NOUN
iogr-1334	272	7	flows	flow	NOUN
iogr-1334	272	8	accumulated	accumulate	VERB
iogr-1334	272	9	over	over	ADP
iogr-1334	272	10	the	the	DET
iogr-1334	272	11	period	period	NOUN
iogr-1334	272	12	is	be	AUX
iogr-1334	272	13	$	$	SYM
iogr-1334	272	14	3,686.71	3,686.71	NUM
iogr-1334	272	15	.	.	PUNCT
iogr-1334	273	1	this	this	DET
iogr-1334	273	2	positive	positive	ADJ
iogr-1334	273	3	pv	pv	NOUN
iogr-1334	273	4	indicates	indicate	VERB
iogr-1334	273	5	that	that	SCONJ
iogr-1334	273	6	using	use	VERB
iogr-1334	273	7	topaz	topaz	NOUN
iogr-1334	273	8	sand	sand	NOUN
iogr-1334	273	9	is	be	AUX
iogr-1334	273	10	economically	economically	ADV
iogr-1334	273	11	viable	viable	ADJ
iogr-1334	273	12	and	and	CCONJ
iogr-1334	273	13	should	should	AUX
iogr-1334	273	14	generate	generate	VERB
iogr-1334	273	15	a	a	DET
iogr-1334	273	16	profitable	profitable	ADJ
iogr-1334	273	17	return	return	NOUN
iogr-1334	273	18	over	over	ADP
iogr-1334	273	19	its	its	PRON
iogr-1334	273	20	duration	duration	NOUN
iogr-1334	273	21	.	.	PUNCT
iogr-1334	274	1	similarly	similarly	ADV
iogr-1334	274	2	,	,	PUNCT
iogr-1334	274	3	using	use	VERB
iogr-1334	274	4	quartz	quartz	NOUN
iogr-1334	274	5	sand	sand	NOUN
iogr-1334	274	6	also	also	ADV
iogr-1334	274	7	demonstrates	demonstrate	VERB
iogr-1334	274	8	profitability	profitability	NOUN
iogr-1334	274	9	over	over	ADP
iogr-1334	274	10	the	the	DET
iogr-1334	274	11	10	10	NUM
iogr-1334	274	12	-	-	PUNCT
iogr-1334	274	13	year	year	NOUN
iogr-1334	274	14	period	period	NOUN
iogr-1334	274	15	.	.	PUNCT
iogr-1334	275	1	it	it	PRON
iogr-1334	275	2	starts	start	VERB
iogr-1334	275	3	with	with	ADP
iogr-1334	275	4	a	a	DET
iogr-1334	275	5	present	present	ADJ
iogr-1334	275	6	value	value	NOUN
iogr-1334	275	7	of	of	ADP
iogr-1334	275	8	$	$	SYM
iogr-1334	275	9	636.36	636.36	NUM
iogr-1334	275	10	in	in	ADP
iogr-1334	275	11	the	the	DET
iogr-1334	275	12	first	first	ADJ
iogr-1334	275	13	year	year	NOUN
iogr-1334	275	14	and	and	CCONJ
iogr-1334	275	15	shows	show	VERB
iogr-1334	275	16	a	a	DET
iogr-1334	275	17	consistent	consistent	ADJ
iogr-1334	275	18	decline	decline	NOUN
iogr-1334	275	19	because	because	SCONJ
iogr-1334	275	20	of	of	ADP
iogr-1334	275	21	the	the	DET
iogr-1334	275	22	time	time	NOUN
iogr-1334	275	23	value	value	NOUN
iogr-1334	275	24	of	of	ADP
iogr-1334	275	25	money	money	NOUN
iogr-1334	275	26	.	.	PUNCT
iogr-1334	276	1	by	by	ADP
iogr-1334	276	2	the	the	DET
iogr-1334	276	3	10th	10th	ADJ
iogr-1334	276	4	year	year	NOUN
iogr-1334	276	5	,	,	PUNCT
iogr-1334	276	6	the	the	DET
iogr-1334	276	7	value	value	NOUN
iogr-1334	276	8	became	become	VERB
iogr-1334	276	9	$	$	SYM
iogr-1334	276	10	270.99	270.99	NUM
iogr-1334	276	11	.	.	PUNCT
iogr-1334	277	1	the	the	DET
iogr-1334	277	2	cumulative	cumulative	ADJ
iogr-1334	277	3	pv	pv	NOUN
iogr-1334	277	4	over	over	ADP
iogr-1334	277	5	the	the	DET
iogr-1334	277	6	entire	entire	ADJ
iogr-1334	277	7	project	project	NOUN
iogr-1334	277	8	duration	duration	NOUN
iogr-1334	277	9	amounts	amount	VERB
iogr-1334	277	10	to	to	ADP
iogr-1334	277	11	$	$	SYM
iogr-1334	277	12	4,301.60	4,301.60	NUM
iogr-1334	277	13	.	.	PUNCT
iogr-1334	278	1	this	this	PRON
iogr-1334	278	2	indicates	indicate	VERB
iogr-1334	278	3	that	that	SCONJ
iogr-1334	278	4	the	the	DET
iogr-1334	278	5	project	project	NOUN
iogr-1334	278	6	will	will	AUX
iogr-1334	278	7	yield	yield	VERB
iogr-1334	278	8	a	a	DET
iogr-1334	278	9	profitable	profitable	ADJ
iogr-1334	278	10	return	return	NOUN
iogr-1334	278	11	,	,	PUNCT
iogr-1334	278	12	confirming	confirm	VERB
iogr-1334	278	13	its	its	PRON
iogr-1334	278	14	economic	economic	ADJ
iogr-1334	278	15	viability	viability	NOUN
iogr-1334	278	16	.	.	PUNCT
iogr-1334	279	1	these	these	DET
iogr-1334	279	2	values	value	NOUN
iogr-1334	279	3	reflect	reflect	VERB
iogr-1334	279	4	the	the	DET
iogr-1334	279	5	fact	fact	NOUN
iogr-1334	279	6	that	that	SCONJ
iogr-1334	279	7	the	the	DET
iogr-1334	279	8	net	net	ADJ
iogr-1334	279	9	cash	cash	NOUN
iogr-1334	279	10	flows	flow	NOUN
iogr-1334	279	11	generated	generate	VERB
iogr-1334	279	12	by	by	ADP
iogr-1334	279	13	each	each	DET
iogr-1334	279	14	project	project	NOUN
iogr-1334	279	15	is	be	AUX
iogr-1334	279	16	sufficient	sufficient	ADJ
iogr-1334	279	17	to	to	PART
iogr-1334	279	18	cover	cover	VERB
iogr-1334	279	19	initial	initial	ADJ
iogr-1334	279	20	investments	investment	NOUN
iogr-1334	279	21	and	and	CCONJ
iogr-1334	279	22	still	still	ADV
iogr-1334	279	23	produce	produce	VERB
iogr-1334	279	24	a	a	DET
iogr-1334	279	25	positive	positive	ADJ
iogr-1334	279	26	return	return	NOUN
iogr-1334	279	27	.	.	PUNCT
iogr-1334	280	1	this	this	PRON
iogr-1334	280	2	supports	support	VERB
iogr-1334	280	3	the	the	DET
iogr-1334	280	4	conclusion	conclusion	NOUN
iogr-1334	280	5	that	that	SCONJ
iogr-1334	280	6	both	both	DET
iogr-1334	280	7	projects	project	NOUN
iogr-1334	280	8	are	be	AUX
iogr-1334	280	9	economically	economically	ADV
iogr-1334	280	10	feasible	feasible	ADJ
iogr-1334	280	11	and	and	CCONJ
iogr-1334	280	12	will	will	AUX
iogr-1334	280	13	likely	likely	ADV
iogr-1334	280	14	contribute	contribute	VERB
iogr-1334	280	15	positively	positively	ADV
iogr-1334	280	16	to	to	ADP
iogr-1334	280	17	the	the	DET
iogr-1334	280	18	financial	financial	ADJ
iogr-1334	280	19	goals	goal	NOUN
iogr-1334	280	20	of	of	ADP
iogr-1334	280	21	the	the	DET
iogr-1334	280	22	hydraulic	hydraulic	ADJ
iogr-1334	280	23	fracturing	fracture	VERB
iogr-1334	280	24	operations	operation	NOUN
iogr-1334	280	25	in	in	ADP
iogr-1334	280	26	niger	niger	PROPN
iogr-1334	280	27	delta	delta	NOUN
iogr-1334	280	28	.	.	PUNCT
iogr-1334	281	1	figure	figure	NOUN
iogr-1334	281	2	10	10	NUM
iogr-1334	281	3	shows	show	VERB
iogr-1334	281	4	the	the	DET
iogr-1334	281	5	comparison	comparison	NOUN
iogr-1334	281	6	of	of	ADP
iogr-1334	281	7	npv	npv	NOUN
iogr-1334	281	8	for	for	ADP
iogr-1334	281	9	quartz	quartz	NOUN
iogr-1334	281	10	and	and	CCONJ
iogr-1334	281	11	topaz	topaz	NOUN
iogr-1334	281	12	sand	sand	NOUN
iogr-1334	281	13	projects	project	NOUN
iogr-1334	281	14	.	.	PUNCT
iogr-1334	282	1	the	the	DET
iogr-1334	282	2	higher	high	ADJ
iogr-1334	282	3	npv	npv	NOUN
iogr-1334	282	4	for	for	ADP
iogr-1334	282	5	quartz	quartz	NOUN
iogr-1334	282	6	sand	sand	NOUN
iogr-1334	282	7	is	be	AUX
iogr-1334	282	8	attributed	attribute	VERB
iogr-1334	282	9	to	to	ADP
iogr-1334	282	10	its	its	PRON
iogr-1334	282	11	lower	low	ADJ
iogr-1334	282	12	initial	initial	ADJ
iogr-1334	282	13	capital	capital	NOUN
iogr-1334	282	14	expenditure	expenditure	NOUN
iogr-1334	282	15	and	and	CCONJ
iogr-1334	282	16	slightly	slightly	ADV
iogr-1334	282	17	reduced	reduced	ADJ
iogr-1334	282	18	operating	operating	NOUN
iogr-1334	282	19	expenses	expense	NOUN
iogr-1334	282	20	compared	compare	VERB
iogr-1334	282	21	to	to	ADP
iogr-1334	282	22	topaz	topaz	NOUN
iogr-1334	282	23	sand	sand	NOUN
iogr-1334	282	24	.	.	PUNCT
iogr-1334	283	1	this	this	DET
iogr-1334	283	2	result	result	NOUN
iogr-1334	283	3	clearly	clearly	ADV
iogr-1334	283	4	shows	show	VERB
iogr-1334	283	5	the	the	DET
iogr-1334	283	6	superior	superior	ADJ
iogr-1334	283	7	financial	financial	ADJ
iogr-1334	283	8	performance	performance	NOUN
iogr-1334	283	9	of	of	ADP
iogr-1334	283	10	quartz	quartz	NOUN
iogr-1334	283	11	sand	sand	NOUN
iogr-1334	283	12	over	over	ADP
iogr-1334	283	13	topaz	topaz	NOUN
iogr-1334	283	14	.	.	PUNCT
iogr-1334	284	1	figure	figure	NOUN
iogr-1334	284	2	10	10	NUM
iogr-1334	284	3	—	—	PUNCT
iogr-1334	284	4	comparison	comparison	NOUN
iogr-1334	284	5	of	of	ADP
iogr-1334	284	6	net	net	ADJ
iogr-1334	284	7	present	present	ADJ
iogr-1334	284	8	value	value	NOUN
iogr-1334	284	9	(	(	PUNCT
iogr-1334	284	10	npv	npv	NOUN
iogr-1334	284	11	)	)	PUNCT
iogr-1334	284	12	for	for	ADP
iogr-1334	284	13	quartz	quartz	NOUN
iogr-1334	284	14	and	and	CCONJ
iogr-1334	284	15	topaz	topaz	NOUN
iogr-1334	284	16	sand	sand	NOUN
iogr-1334	284	17	.	.	PUNCT
iogr-1334	285	1	0	0	NUM
iogr-1334	286	1	1000	1000	NUM
iogr-1334	286	2	2000	2000	NUM
iogr-1334	286	3	3000	3000	NUM
iogr-1334	286	4	4000	4000	NUM
iogr-1334	286	5	5000	5000	NUM
iogr-1334	286	6	0	0	NUM
iogr-1334	286	7	2	2	NUM
iogr-1334	286	8	4	4	NUM
iogr-1334	286	9	6	6	NUM
iogr-1334	286	10	8	8	NUM
iogr-1334	286	11	10	10	NUM
iogr-1334	286	12	12	12	NUM
iogr-1334	286	13	p	p	NOUN
iogr-1334	286	14	re	re	X
iogr-1334	286	15	se	se	X
iogr-1334	286	16	n	n	PROPN
iogr-1334	286	17	t	t	PROPN
iogr-1334	286	18	v	v	NOUN
iogr-1334	286	19	al	al	PROPN
iogr-1334	286	20	u	u	PROPN
iogr-1334	286	21	e	e	X
iogr-1334	286	22	(	(	PUNCT
iogr-1334	286	23	$	$	NOUN
iogr-1334	286	24	)	)	PUNCT
iogr-1334	286	25	time	time	NOUN
iogr-1334	286	26	(	(	PUNCT
iogr-1334	286	27	years	year	NOUN
iogr-1334	286	28	)	)	PUNCT
iogr-1334	286	29	quartz	quartz	NOUN
iogr-1334	286	30	sand	sand	NOUN
iogr-1334	286	31	topaz	topaz	NOUN
iogr-1334	286	32	sand	sand	VERB
iogr-1334	286	33	3731.2	3731.2	NUM
iogr-1334	286	34	3006.73	3006.73	NUM
iogr-1334	286	35	0	0	NUM
iogr-1334	286	36	1000	1000	NUM
iogr-1334	286	37	2000	2000	NUM
iogr-1334	286	38	3000	3000	NUM
iogr-1334	286	39	4000	4000	NUM
iogr-1334	286	40	quartz	quartz	NOUN
iogr-1334	286	41	sand	sand	NOUN
iogr-1334	286	42	(	(	PUNCT
iogr-1334	286	43	$	$	SYM
iogr-1334	286	44	)	)	PUNCT
iogr-1334	286	45	topaz	topaz	NOUN
iogr-1334	286	46	sand	sand	NOUN
iogr-1334	286	47	(	(	PUNCT
iogr-1334	286	48	$	$	SYM
iogr-1334	286	49	)	)	PUNCT
iogr-1334	287	1	n	n	NOUN
iogr-1334	287	2	p	p	NOUN
iogr-1334	287	3	v	v	X
iogr-1334	287	4	(	(	PUNCT
iogr-1334	287	5	$	$	NOUN
iogr-1334	287	6	)	)	PUNCT
iogr-1334	287	7	improved	improve	VERB
iogr-1334	287	8	oil	oil	NOUN
iogr-1334	287	9	and	and	CCONJ
iogr-1334	287	10	gas	gas	NOUN
iogr-1334	287	11	recovery	recovery	NOUN
iogr-1334	287	12	16	16	NUM
iogr-1334	287	13	conclusions	conclusion	NOUN
iogr-1334	287	14	this	this	DET
iogr-1334	287	15	research	research	NOUN
iogr-1334	287	16	study	study	NOUN
iogr-1334	287	17	investigated	investigate	VERB
iogr-1334	287	18	the	the	DET
iogr-1334	287	19	use	use	NOUN
iogr-1334	287	20	of	of	ADP
iogr-1334	287	21	quartz	quartz	NOUN
iogr-1334	287	22	sand	sand	NOUN
iogr-1334	287	23	,	,	PUNCT
iogr-1334	287	24	topaz	topaz	NOUN
iogr-1334	287	25	sand	sand	NOUN
iogr-1334	287	26	and	and	CCONJ
iogr-1334	287	27	resin	resin	NOUN
iogr-1334	287	28	coated	coat	VERB
iogr-1334	287	29	sand	sand	NOUN
iogr-1334	287	30	based	base	VERB
iogr-1334	287	31	on	on	ADP
iogr-1334	287	32	the	the	DET
iogr-1334	287	33	physical	physical	ADJ
iogr-1334	287	34	,	,	PUNCT
iogr-1334	287	35	chemical	chemical	NOUN
iogr-1334	287	36	,	,	PUNCT
iogr-1334	287	37	and	and	CCONJ
iogr-1334	287	38	mechanical	mechanical	ADJ
iogr-1334	287	39	properties	property	NOUN
iogr-1334	287	40	and	and	CCONJ
iogr-1334	287	41	compared	compare	VERB
iogr-1334	287	42	them	they	PRON
iogr-1334	287	43	with	with	ADP
iogr-1334	287	44	the	the	DET
iogr-1334	287	45	standards	standard	NOUN
iogr-1334	287	46	outlined	outline	VERB
iogr-1334	287	47	in	in	ADP
iogr-1334	287	48	api	api	PROPN
iogr-1334	287	49	rp	rp	PROPN
iogr-1334	287	50	/	/	SYM
iogr-1334	287	51	iso	iso	NOUN
iogr-1334	287	52	13503	13503	NUM
iogr-1334	287	53	-	-	SYM
iogr-1334	287	54	2	2	NUM
iogr-1334	287	55	.	.	PUNCT
iogr-1334	288	1	the	the	DET
iogr-1334	288	2	study	study	NOUN
iogr-1334	288	3	evaluated	evaluate	VERB
iogr-1334	288	4	the	the	DET
iogr-1334	288	5	performance	performance	NOUN
iogr-1334	288	6	of	of	ADP
iogr-1334	288	7	the	the	DET
iogr-1334	288	8	sands	sand	NOUN
iogr-1334	288	9	as	as	ADP
iogr-1334	288	10	proppants	proppant	NOUN
iogr-1334	288	11	.	.	PUNCT
iogr-1334	289	1	quartz	quartz	NOUN
iogr-1334	289	2	sand	sand	NOUN
iogr-1334	289	3	and	and	CCONJ
iogr-1334	289	4	topaz	topaz	NOUN
iogr-1334	289	5	sand	sand	NOUN
iogr-1334	289	6	exhibited	exhibit	VERB
iogr-1334	289	7	excellent	excellent	ADJ
iogr-1334	289	8	quality	quality	NOUN
iogr-1334	289	9	based	base	VERB
iogr-1334	289	10	on	on	ADP
iogr-1334	289	11	the	the	DET
iogr-1334	289	12	parameters	parameter	NOUN
iogr-1334	289	13	considered	consider	VERB
iogr-1334	289	14	for	for	ADP
iogr-1334	289	15	commercial	commercial	ADJ
iogr-1334	289	16	proppants	proppant	NOUN
iogr-1334	289	17	.	.	PUNCT
iogr-1334	290	1	high	high	ADJ
iogr-1334	290	2	silicon	silicon	NOUN
iogr-1334	290	3	content	content	NOUN
iogr-1334	290	4	makes	make	VERB
iogr-1334	290	5	sand	sand	NOUN
iogr-1334	290	6	the	the	DET
iogr-1334	290	7	top	top	ADJ
iogr-1334	290	8	choice	choice	NOUN
iogr-1334	290	9	for	for	ADP
iogr-1334	290	10	natural	natural	ADJ
iogr-1334	290	11	sand	sand	NOUN
iogr-1334	290	12	proppant	proppant	NOUN
iogr-1334	290	13	.	.	PUNCT
iogr-1334	291	1	these	these	DET
iogr-1334	291	2	sands	sand	NOUN
iogr-1334	291	3	are	be	AUX
iogr-1334	291	4	abundant	abundant	ADJ
iogr-1334	291	5	at	at	ADP
iogr-1334	291	6	mining	mining	NOUN
iogr-1334	291	7	sites	site	NOUN
iogr-1334	291	8	and	and	CCONJ
iogr-1334	291	9	very	very	ADV
iogr-1334	291	10	affordable	affordable	ADJ
iogr-1334	291	11	.	.	PUNCT
iogr-1334	292	1	using	use	VERB
iogr-1334	292	2	quartz	quartz	NOUN
iogr-1334	292	3	sand	sand	NOUN
iogr-1334	292	4	and	and	CCONJ
iogr-1334	292	5	topaz	topaz	NOUN
iogr-1334	292	6	sand	sand	NOUN
iogr-1334	292	7	as	as	SCONJ
iogr-1334	292	8	proppants	proppant	NOUN
iogr-1334	292	9	can	can	AUX
iogr-1334	292	10	reduce	reduce	VERB
iogr-1334	292	11	the	the	DET
iogr-1334	292	12	costs	cost	NOUN
iogr-1334	292	13	associated	associate	VERB
iogr-1334	292	14	with	with	ADP
iogr-1334	292	15	using	use	VERB
iogr-1334	292	16	high	high	ADV
iogr-1334	292	17	-	-	PUNCT
iogr-1334	292	18	priced	price	VERB
iogr-1334	292	19	ottawa	ottawa	PROPN
iogr-1334	292	20	sands	sand	NOUN
iogr-1334	292	21	in	in	ADP
iogr-1334	292	22	hydraulic	hydraulic	ADJ
iogr-1334	292	23	fracturing	fracturing	NOUN
iogr-1334	292	24	operations	operation	NOUN
iogr-1334	292	25	.	.	PUNCT
iogr-1334	293	1	the	the	DET
iogr-1334	293	2	following	follow	VERB
iogr-1334	293	3	conclusions	conclusion	NOUN
iogr-1334	293	4	can	can	AUX
iogr-1334	293	5	be	be	AUX
iogr-1334	293	6	drawn	draw	VERB
iogr-1334	293	7	from	from	ADP
iogr-1334	293	8	the	the	DET
iogr-1334	293	9	experimental	experimental	ADJ
iogr-1334	293	10	study	study	NOUN
iogr-1334	293	11	:	:	PUNCT
iogr-1334	293	12	i.	i.	NOUN
iogr-1334	293	13	the	the	DET
iogr-1334	293	14	x	x	NOUN
iogr-1334	293	15	-	-	NOUN
iogr-1334	293	16	ray	ray	NOUN
iogr-1334	293	17	fluorescence	fluorescence	NOUN
iogr-1334	293	18	(	(	PUNCT
iogr-1334	293	19	xrf	xrf	PROPN
iogr-1334	293	20	)	)	PUNCT
iogr-1334	293	21	test	test	NOUN
iogr-1334	293	22	on	on	ADP
iogr-1334	293	23	the	the	DET
iogr-1334	293	24	sand	sand	NOUN
iogr-1334	293	25	indicates	indicate	VERB
iogr-1334	293	26	that	that	SCONJ
iogr-1334	293	27	quartz	quartz	NOUN
iogr-1334	293	28	sand	sand	NOUN
iogr-1334	293	29	contains	contain	VERB
iogr-1334	293	30	a	a	DET
iogr-1334	293	31	high	high	ADJ
iogr-1334	293	32	percentage	percentage	NOUN
iogr-1334	293	33	of	of	ADP
iogr-1334	293	34	silicon	silicon	NOUN
iogr-1334	293	35	oxide	oxide	NOUN
iogr-1334	293	36	,	,	PUNCT
iogr-1334	293	37	at	at	ADP
iogr-1334	293	38	79.93	79.93	NUM
iogr-1334	293	39	%	%	NOUN
iogr-1334	293	40	,	,	PUNCT
iogr-1334	293	41	while	while	SCONJ
iogr-1334	293	42	topaz	topaz	NOUN
iogr-1334	293	43	sand	sand	NOUN
iogr-1334	293	44	contains	contain	VERB
iogr-1334	293	45	72.81	72.81	NUM
iogr-1334	293	46	%	%	NOUN
iogr-1334	293	47	.	.	PUNCT
iogr-1334	294	1	ii	ii	PROPN
iogr-1334	294	2	.	.	PUNCT
iogr-1334	295	1	the	the	DET
iogr-1334	295	2	sieve	sieve	NOUN
iogr-1334	295	3	test	test	NOUN
iogr-1334	295	4	analysis	analysis	NOUN
iogr-1334	295	5	results	result	NOUN
iogr-1334	295	6	showed	show	VERB
iogr-1334	295	7	that	that	SCONJ
iogr-1334	295	8	both	both	PRON
iogr-1334	295	9	quartz	quartz	NOUN
iogr-1334	295	10	sand	sand	NOUN
iogr-1334	295	11	and	and	CCONJ
iogr-1334	295	12	topaz	topaz	NOUN
iogr-1334	295	13	sand	sand	NOUN
iogr-1334	295	14	are	be	AUX
iogr-1334	295	15	100	100	NUM
iogr-1334	295	16	%	%	NOUN
iogr-1334	295	17	compliant	compliant	NOUN
iogr-1334	295	18	in	in	ADP
iogr-1334	295	19	terms	term	NOUN
iogr-1334	295	20	of	of	ADP
iogr-1334	295	21	particle	particle	NOUN
iogr-1334	295	22	size	size	NOUN
iogr-1334	295	23	distribution	distribution	NOUN
iogr-1334	295	24	.	.	PUNCT
iogr-1334	296	1	the	the	DET
iogr-1334	296	2	crush	crush	NOUN
iogr-1334	296	3	resistance	resistance	NOUN
iogr-1334	296	4	test	test	NOUN
iogr-1334	296	5	results	result	NOUN
iogr-1334	296	6	were	be	AUX
iogr-1334	296	7	8.67	8.67	NUM
iogr-1334	296	8	%	%	NOUN
iogr-1334	296	9	and	and	CCONJ
iogr-1334	296	10	8.90	8.90	NUM
iogr-1334	296	11	%	%	NOUN
iogr-1334	296	12	,	,	PUNCT
iogr-1334	296	13	respectively	respectively	ADV
iogr-1334	296	14	.	.	PUNCT
iogr-1334	297	1	iii	iii	X
iogr-1334	297	2	.	.	PUNCT
iogr-1334	298	1	the	the	DET
iogr-1334	298	2	roundness	roundness	NOUN
iogr-1334	298	3	and	and	CCONJ
iogr-1334	298	4	sphericity	sphericity	PROPN
iogr-1334	298	5	test	test	NOUN
iogr-1334	298	6	results	result	NOUN
iogr-1334	298	7	were	be	AUX
iogr-1334	298	8	0.7	0.7	NUM
iogr-1334	298	9	and	and	CCONJ
iogr-1334	298	10	0.8	0.8	NUM
iogr-1334	298	11	respectively	respectively	ADV
iogr-1334	298	12	.	.	PUNCT
iogr-1334	299	1	the	the	DET
iogr-1334	299	2	turbidity	turbidity	NOUN
iogr-1334	299	3	of	of	ADP
iogr-1334	299	4	the	the	DET
iogr-1334	299	5	sand	sand	NOUN
iogr-1334	299	6	was	be	AUX
iogr-1334	299	7	observed	observe	VERB
iogr-1334	299	8	to	to	PART
iogr-1334	299	9	be	be	AUX
iogr-1334	299	10	2.80	2.80	NUM
iogr-1334	299	11	ntu	ntu	NOUN
iogr-1334	299	12	and	and	CCONJ
iogr-1334	299	13	3.83	3.83	NUM
iogr-1334	299	14	ntu	ntu	NOUN
iogr-1334	299	15	,	,	PUNCT
iogr-1334	299	16	while	while	SCONJ
iogr-1334	299	17	the	the	DET
iogr-1334	299	18	bulk	bulk	ADJ
iogr-1334	299	19	density	density	NOUN
iogr-1334	299	20	of	of	ADP
iogr-1334	299	21	the	the	DET
iogr-1334	299	22	quartz	quartz	NOUN
iogr-1334	299	23	and	and	CCONJ
iogr-1334	299	24	topaz	topaz	NOUN
iogr-1334	299	25	sand	sand	NOUN
iogr-1334	299	26	was	be	AUX
iogr-1334	299	27	1.24	1.24	NUM
iogr-1334	299	28	and	and	CCONJ
iogr-1334	299	29	1.28	1.28	NUM
iogr-1334	299	30	(	(	PUNCT
iogr-1334	299	31	𝑔	𝑔	PROPN
iogr-1334	299	32	𝑐𝑚	𝑐𝑚	ADJ
iogr-1334	299	33	3	3	NUM
iogr-1334	299	34	)	)	PUNCT
iogr-1334	299	35	.	.	PUNCT
iogr-1334	300	1	iv	iv	X
iogr-1334	300	2	.	.	PUNCT
iogr-1334	301	1	the	the	DET
iogr-1334	301	2	economic	economic	ADJ
iogr-1334	301	3	analysis	analysis	NOUN
iogr-1334	301	4	carried	carry	VERB
iogr-1334	301	5	out	out	ADP
iogr-1334	301	6	showed	show	VERB
iogr-1334	301	7	that	that	SCONJ
iogr-1334	301	8	quartz	quartz	NOUN
iogr-1334	301	9	had	have	VERB
iogr-1334	301	10	net	net	ADJ
iogr-1334	301	11	presence	presence	NOUN
iogr-1334	301	12	value	value	NOUN
iogr-1334	301	13	of	of	ADP
iogr-1334	301	14	3731.2	3731.2	NUM
iogr-1334	301	15	(	(	PUNCT
iogr-1334	301	16	$	$	SYM
iogr-1334	301	17	)	)	PUNCT
iogr-1334	301	18	while	while	SCONJ
iogr-1334	301	19	that	that	PRON
iogr-1334	301	20	of	of	ADP
iogr-1334	301	21	topaz	topaz	NOUN
iogr-1334	301	22	sand	sand	NOUN
iogr-1334	301	23	had	have	VERB
iogr-1334	301	24	3006.73	3006.73	NUM
iogr-1334	301	25	(	(	PUNCT
iogr-1334	301	26	$	$	SYM
iogr-1334	301	27	)	)	PUNCT
iogr-1334	301	28	respectively	respectively	ADV
iogr-1334	301	29	.	.	PUNCT
iogr-1334	302	1	the	the	DET
iogr-1334	302	2	results	result	NOUN
iogr-1334	302	3	indicate	indicate	VERB
iogr-1334	302	4	that	that	SCONJ
iogr-1334	302	5	the	the	DET
iogr-1334	302	6	quartz	quartz	NOUN
iogr-1334	302	7	and	and	CCONJ
iogr-1334	302	8	topaz	topaz	NOUN
iogr-1334	302	9	sands	sand	NOUN
iogr-1334	302	10	were	be	AUX
iogr-1334	302	11	profitable	profitable	ADJ
iogr-1334	302	12	for	for	ADP
iogr-1334	302	13	use	use	NOUN
iogr-1334	302	14	in	in	ADP
iogr-1334	302	15	hydraulic	hydraulic	ADJ
iogr-1334	302	16	fracturing	fracturing	NOUN
iogr-1334	302	17	operations	operation	NOUN
iogr-1334	302	18	.	.	PUNCT
iogr-1334	303	1	v.	v.	ADP
iogr-1334	303	2	the	the	DET
iogr-1334	303	3	results	result	NOUN
iogr-1334	303	4	of	of	ADP
iogr-1334	303	5	the	the	DET
iogr-1334	303	6	study	study	NOUN
iogr-1334	303	7	also	also	ADV
iogr-1334	303	8	showed	show	VERB
iogr-1334	303	9	that	that	SCONJ
iogr-1334	303	10	the	the	DET
iogr-1334	303	11	quartz	quartz	NOUN
iogr-1334	303	12	and	and	CCONJ
iogr-1334	303	13	topaz	topaz	NOUN
iogr-1334	303	14	sands	sand	NOUN
iogr-1334	303	15	meet	meet	VERB
iogr-1334	303	16	the	the	DET
iogr-1334	303	17	recommended	recommend	VERB
iogr-1334	303	18	international	international	ADJ
iogr-1334	303	19	standard	standard	ADJ
iogr-1334	303	20	organization	organization	NOUN
iogr-1334	303	21	and	and	CCONJ
iogr-1334	303	22	american	american	PROPN
iogr-1334	303	23	petroleum	petroleum	PROPN
iogr-1334	303	24	institute	institute	NOUN
iogr-1334	303	25	methods	method	NOUN
iogr-1334	303	26	and	and	CCONJ
iogr-1334	303	27	thus	thus	ADV
iogr-1334	303	28	,	,	PUNCT
iogr-1334	303	29	a	a	DET
iogr-1334	303	30	good	good	ADJ
iogr-1334	303	31	candidate	candidate	NOUN
iogr-1334	303	32	for	for	ADP
iogr-1334	303	33	use	use	NOUN
iogr-1334	303	34	in	in	ADP
iogr-1334	303	35	hydraulic	hydraulic	ADJ
iogr-1334	303	36	fracturing	fracturing	NOUN
iogr-1334	303	37	operations	operation	NOUN
iogr-1334	303	38	.	.	PUNCT
iogr-1334	304	1	recommendations	recommendation	NOUN
iogr-1334	304	2	the	the	DET
iogr-1334	304	3	following	follow	VERB
iogr-1334	304	4	are	be	AUX
iogr-1334	304	5	the	the	DET
iogr-1334	304	6	recommendations	recommendation	NOUN
iogr-1334	304	7	from	from	ADP
iogr-1334	304	8	the	the	DET
iogr-1334	304	9	study	study	NOUN
iogr-1334	304	10	.	.	PUNCT
iogr-1334	305	1	i.	i.	PROPN
iogr-1334	305	2	quartz	quartz	PROPN
iogr-1334	305	3	and	and	CCONJ
iogr-1334	305	4	topaz	topaz	NOUN
iogr-1334	305	5	sand	sand	NOUN
iogr-1334	305	6	are	be	AUX
iogr-1334	305	7	recommended	recommend	VERB
iogr-1334	305	8	for	for	ADP
iogr-1334	305	9	use	use	NOUN
iogr-1334	305	10	as	as	ADP
iogr-1334	305	11	proppants	proppant	NOUN
iogr-1334	305	12	in	in	ADP
iogr-1334	305	13	hydraulic	hydraulic	ADJ
iogr-1334	305	14	fracturing	fracturing	NOUN
iogr-1334	305	15	operations	operation	NOUN
iogr-1334	305	16	.	.	PUNCT
iogr-1334	306	1	ii	ii	X
iogr-1334	306	2	.	.	PUNCT
iogr-1334	307	1	a	a	DET
iogr-1334	307	2	conductivity	conductivity	NOUN
iogr-1334	307	3	test	test	NOUN
iogr-1334	307	4	should	should	AUX
iogr-1334	307	5	be	be	AUX
iogr-1334	307	6	conducted	conduct	VERB
iogr-1334	307	7	to	to	PART
iogr-1334	307	8	determine	determine	VERB
iogr-1334	307	9	the	the	DET
iogr-1334	307	10	amount	amount	NOUN
iogr-1334	307	11	of	of	ADP
iogr-1334	307	12	flow	flow	NOUN
iogr-1334	307	13	that	that	PRON
iogr-1334	307	14	the	the	DET
iogr-1334	307	15	sand	sand	NOUN
iogr-1334	307	16	will	will	AUX
iogr-1334	307	17	allow	allow	VERB
iogr-1334	307	18	and	and	CCONJ
iogr-1334	307	19	to	to	PART
iogr-1334	307	20	assess	assess	VERB
iogr-1334	307	21	the	the	DET
iogr-1334	307	22	influence	influence	NOUN
iogr-1334	307	23	of	of	ADP
iogr-1334	307	24	the	the	DET
iogr-1334	307	25	sand	sand	NOUN
iogr-1334	307	26	on	on	ADP
iogr-1334	307	27	the	the	DET
iogr-1334	307	28	crush	crush	NOUN
iogr-1334	307	29	resistance	resistance	NOUN
iogr-1334	307	30	potential	potential	NOUN
iogr-1334	307	31	of	of	ADP
iogr-1334	307	32	the	the	DET
iogr-1334	307	33	reservoir	reservoir	NOUN
iogr-1334	307	34	.	.	PUNCT
iogr-1334	308	1	acknowledgments	acknowledgment	NOUN
iogr-1334	308	2	the	the	DET
iogr-1334	308	3	authors	author	NOUN
iogr-1334	308	4	express	express	VERB
iogr-1334	308	5	their	their	PRON
iogr-1334	308	6	gratitude	gratitude	NOUN
iogr-1334	308	7	to	to	ADP
iogr-1334	308	8	the	the	DET
iogr-1334	308	9	management	management	NOUN
iogr-1334	308	10	of	of	ADP
iogr-1334	308	11	the	the	DET
iogr-1334	308	12	federal	federal	ADJ
iogr-1334	308	13	university	university	PROPN
iogr-1334	308	14	of	of	ADP
iogr-1334	308	15	technology	technology	PROPN
iogr-1334	308	16	,	,	PUNCT
iogr-1334	308	17	owerri	owerri	PROPN
iogr-1334	308	18	,	,	PUNCT
iogr-1334	308	19	for	for	ADP
iogr-1334	308	20	providing	provide	VERB
iogr-1334	308	21	the	the	DET
iogr-1334	308	22	laboratory	laboratory	NOUN
iogr-1334	308	23	facilities	facility	NOUN
iogr-1334	308	24	essential	essential	ADJ
iogr-1334	308	25	for	for	ADP
iogr-1334	308	26	this	this	DET
iogr-1334	308	27	research	research	NOUN
iogr-1334	308	28	.	.	PUNCT
iogr-1334	309	1	special	special	ADJ
iogr-1334	309	2	thanks	thank	NOUN
iogr-1334	309	3	are	be	AUX
iogr-1334	309	4	extended	extend	VERB
iogr-1334	309	5	to	to	ADP
iogr-1334	309	6	the	the	DET
iogr-1334	309	7	federal	federal	ADJ
iogr-1334	309	8	government	government	NOUN
iogr-1334	309	9	of	of	ADP
iogr-1334	309	10	nigeria	nigeria	PROPN
iogr-1334	309	11	and	and	CCONJ
iogr-1334	309	12	the	the	DET
iogr-1334	309	13	petroleum	petroleum	NOUN
iogr-1334	309	14	technology	technology	PROPN
iogr-1334	309	15	development	development	PROPN
iogr-1334	309	16	trust	trust	PROPN
iogr-1334	309	17	fund	fund	PROPN
iogr-1334	309	18	(	(	PUNCT
iogr-1334	309	19	ptdf	ptdf	NOUN
iogr-1334	309	20	)	)	PUNCT
iogr-1334	309	21	for	for	ADP
iogr-1334	309	22	their	their	PRON
iogr-1334	309	23	financial	financial	ADJ
iogr-1334	309	24	support	support	NOUN
iogr-1334	309	25	in	in	ADP
iogr-1334	309	26	making	make	VERB
iogr-1334	309	27	this	this	DET
iogr-1334	309	28	project	project	NOUN
iogr-1334	309	29	possible	possible	ADJ
iogr-1334	309	30	.	.	PUNCT
iogr-1334	310	1	conflict	conflict	NOUN
iogr-1334	310	2	of	of	ADP
iogr-1334	310	3	interest	interest	NOUN
iogr-1334	310	4	the	the	DET
iogr-1334	310	5	authors	author	NOUN
iogr-1334	310	6	declare	declare	VERB
iogr-1334	310	7	that	that	SCONJ
iogr-1334	310	8	there	there	PRON
iogr-1334	310	9	are	be	VERB
iogr-1334	310	10	no	no	DET
iogr-1334	310	11	conflicts	conflict	NOUN
iogr-1334	310	12	of	of	ADP
iogr-1334	310	13	interest	interest	NOUN
iogr-1334	310	14	regarding	regard	VERB
iogr-1334	310	15	the	the	DET
iogr-1334	310	16	publication	publication	NOUN
iogr-1334	310	17	of	of	ADP
iogr-1334	310	18	this	this	DET
iogr-1334	310	19	research	research	NOUN
iogr-1334	310	20	.	.	PUNCT
iogr-1334	311	1	references	reference	NOUN
iogr-1334	311	2	agrawal	agrawal	PROPN
iogr-1334	311	3	,	,	PUNCT
iogr-1334	311	4	s.	s.	PROPN
iogr-1334	311	5	and	and	CCONJ
iogr-1334	311	6	gernand	gernand	PROPN
iogr-1334	311	7	,	,	PUNCT
iogr-1334	311	8	j.m	j.m	PROPN
iogr-1334	311	9	.	.	NOUN
iogr-1334	311	10	2020	2020	NUM
iogr-1334	311	11	.	.	PUNCT
iogr-1334	312	1	quantifying	quantify	VERB
iogr-1334	312	2	the	the	DET
iogr-1334	312	3	economic	economic	ADJ
iogr-1334	312	4	impact	impact	NOUN
iogr-1334	312	5	of	of	ADP
iogr-1334	312	6	hydraulic	hydraulic	ADJ
iogr-1334	312	7	fracturing	fracturing	NOUN
iogr-1334	312	8	proppant	proppant	NOUN
iogr-1334	312	9	selection	selection	NOUN
iogr-1334	312	10	in	in	ADP
iogr-1334	312	11	light	light	NOUN
iogr-1334	312	12	of	of	ADP
iogr-1334	312	13	occupational	occupational	ADJ
iogr-1334	312	14	exposure	exposure	NOUN
iogr-1334	312	15	risk	risk	NOUN
iogr-1334	312	16	and	and	CCONJ
iogr-1334	312	17	functional	functional	ADJ
iogr-1334	312	18	requirements	requirement	NOUN
iogr-1334	312	19	.	.	PUNCT
iogr-1334	313	1	risk	risk	NOUN
iogr-1334	313	2	analysis	analysis	NOUN
iogr-1334	313	3	40(2	40(2	NUM
iogr-1334	313	4	):	):	PUNCT
iogr-1334	313	5	319	319	NUM
iogr-1334	313	6	-	-	SYM
iogr-1334	313	7	335	335	NUM
iogr-1334	313	8	.	.	PUNCT
iogr-1334	314	1	api	api	NOUN
iogr-1334	314	2	std	std	NOUN
iogr-1334	314	3	19c	19c	NUM
iogr-1334	314	4	,	,	PUNCT
iogr-1334	314	5	measurement	measurement	NOUN
iogr-1334	314	6	of	of	ADP
iogr-1334	314	7	and	and	CCONJ
iogr-1334	314	8	specifications	specification	NOUN
iogr-1334	314	9	for	for	ADP
iogr-1334	314	10	proppants	proppant	NOUN
iogr-1334	314	11	used	use	VERB
iogr-1334	314	12	in	in	ADP
iogr-1334	314	13	hydraulic	hydraulic	ADJ
iogr-1334	314	14	fracturing	fracturing	NOUN
iogr-1334	314	15	and	and	CCONJ
iogr-1334	314	16	gravelpacking	gravelpacke	VERB
iogr-1334	314	17	operations	operation	NOUN
iogr-1334	314	18	,	,	PUNCT
iogr-1334	314	19	2nd	2nd	PROPN
iogr-1334	314	20	edition	edition	NOUN
iogr-1334	314	21	.	.	PUNCT
iogr-1334	315	1	2018	2018	NUM
iogr-1334	315	2	.	.	PUNCT
iogr-1334	316	1	washington	washington	PROPN
iogr-1334	316	2	,	,	PUNCT
iogr-1334	316	3	dc	dc	PROPN
iogr-1334	316	4	:	:	PUNCT
iogr-1334	316	5	api	api	PROPN
iogr-1334	316	6	.	.	PUNCT
iogr-1334	316	7	improved	improve	VERB
iogr-1334	316	8	oil	oil	NOUN
iogr-1334	316	9	and	and	CCONJ
iogr-1334	316	10	gas	gas	NOUN
iogr-1334	316	11	recovery	recovery	NOUN
iogr-1334	316	12	17	17	NUM
iogr-1334	316	13	bandara	bandara	NOUN
iogr-1334	316	14	,	,	PUNCT
iogr-1334	316	15	a.p.g	a.p.g	PROPN
iogr-1334	316	16	.	.	PROPN
iogr-1334	316	17	,	,	PUNCT
iogr-1334	316	18	ranjith	ranjith	PROPN
iogr-1334	316	19	,	,	PUNCT
iogr-1334	316	20	w.	w.	PROPN
iogr-1334	316	21	,	,	PUNCT
iogr-1334	316	22	zheng	zheng	PROPN
iogr-1334	316	23	,	,	PUNCT
iogr-1334	316	24	w.	w.	PROPN
iogr-1334	316	25	,	,	PUNCT
iogr-1334	316	26	et	et	PROPN
iogr-1334	316	27	al	al	PROPN
iogr-1334	316	28	.	.	PROPN
iogr-1334	316	29	2022	2022	NUM
iogr-1334	316	30	.	.	PUNCT
iogr-1334	317	1	grain	grain	NOUN
iogr-1334	317	2	-	-	PUNCT
iogr-1334	317	3	scale	scale	NOUN
iogr-1334	317	4	analysis	analysis	NOUN
iogr-1334	317	5	of	of	ADP
iogr-1334	317	6	proppant	proppant	NOUN
iogr-1334	317	7	crushing	crush	VERB
iogr-1334	317	8	and	and	CCONJ
iogr-1334	317	9	embedment	embedment	ADJ
iogr-1334	317	10	using	use	VERB
iogr-1334	317	11	calibrated	calibrate	VERB
iogr-1334	317	12	discrete	discrete	ADJ
iogr-1334	317	13	element	element	NOUN
iogr-1334	317	14	models	model	NOUN
iogr-1334	317	15	.	.	PUNCT
iogr-1334	318	1	acta	acta	PROPN
iogr-1334	318	2	geotechnica	geotechnica	PROPN
iogr-1334	318	3	17(12	17(12	NUM
iogr-1334	318	4	):	):	PUNCT
iogr-1334	318	5	1	1	NUM
iogr-1334	318	6	-	-	SYM
iogr-1334	318	7	28	28	NUM
iogr-1334	318	8	.	.	PUNCT
iogr-1334	319	1	curimbaba	curimbaba	PROPN
iogr-1334	319	2	,	,	PUNCT
iogr-1334	319	3	s.	s.	PROPN
iogr-1334	319	4	,	,	PUNCT
iogr-1334	319	5	kerr	kerr	PROPN
iogr-1334	319	6	de	de	PROPN
iogr-1334	319	7	paiva	paiva	PROPN
iogr-1334	319	8	cortes	cortes	PROPN
iogr-1334	319	9	,	,	PUNCT
iogr-1334	319	10	g.w	g.w	PROPN
iogr-1334	319	11	.	.	PROPN
iogr-1334	319	12	,	,	PUNCT
iogr-1334	319	13	and	and	CCONJ
iogr-1334	319	14	de	de	PROPN
iogr-1334	319	15	paiva	paiva	NOUN
iogr-1334	319	16	cortes	corte	NOUN
iogr-1334	319	17	,	,	PUNCT
iogr-1334	319	18	g.	g.	PROPN
iogr-1334	319	19	2011	2011	NUM
iogr-1334	319	20	.	.	PUNCT
iogr-1334	320	1	proppant	proppant	NOUN
iogr-1334	320	2	for	for	ADP
iogr-1334	320	3	hydraulic	hydraulic	ADJ
iogr-1334	320	4	fracturing	fracturing	NOUN
iogr-1334	320	5	of	of	ADP
iogr-1334	320	6	oil	oil	NOUN
iogr-1334	320	7	and	and	CCONJ
iogr-1334	320	8	gas	gas	NOUN
iogr-1334	320	9	wells	well	NOUN
iogr-1334	320	10	.	.	PUNCT
iogr-1334	321	1	u.s	u.s	PROPN
iogr-1334	321	2	.	.	PROPN
iogr-1334	321	3	patent	patent	NOUN
iogr-1334	321	4	no	no	PROPN
iogr-1334	321	5	.	.	PUNCT
iogr-1334	321	6	us7954548b2	us7954548b2	NOUN
iogr-1334	321	7	.	.	PUNCT
iogr-1334	322	1	duchnowska	duchnowska	PROPN
iogr-1334	322	2	,	,	PUNCT
iogr-1334	322	3	m.	m.	NOUN
iogr-1334	322	4	,	,	PUNCT
iogr-1334	322	5	strzałkowski	strzałkowski	VERB
iogr-1334	322	6	,	,	PUNCT
iogr-1334	322	7	p.	p.	PROPN
iogr-1334	322	8	,	,	PUNCT
iogr-1334	322	9	bakalarz	bakalarz	PROPN
iogr-1334	322	10	,	,	PUNCT
iogr-1334	322	11	a.	a.	NOUN
iogr-1334	322	12	,	,	PUNCT
iogr-1334	322	13	et	et	PROPN
iogr-1334	322	14	al	al	PROPN
iogr-1334	322	15	.	.	PROPN
iogr-1334	322	16	2023	2023	NUM
iogr-1334	322	17	.	.	PUNCT
iogr-1334	323	1	influence	influence	NOUN
iogr-1334	323	2	of	of	ADP
iogr-1334	323	3	basalt	basalt	NOUN
iogr-1334	323	4	aggregate	aggregate	ADJ
iogr-1334	323	5	crushing	crush	VERB
iogr-1334	323	6	technology	technology	NOUN
iogr-1334	323	7	on	on	ADP
iogr-1334	323	8	its	its	PRON
iogr-1334	323	9	geometrical	geometrical	ADJ
iogr-1334	323	10	properties	property	NOUN
iogr-1334	323	11	—	—	PUNCT
iogr-1334	323	12	preliminary	preliminary	ADJ
iogr-1334	323	13	studies	study	NOUN
iogr-1334	323	14	.	.	PUNCT
iogr-1334	324	1	materials	material	NOUN
iogr-1334	324	2	16(2	16(2	NUM
iogr-1334	324	3	):	):	PUNCT
iogr-1334	324	4	602	602	NUM
iogr-1334	324	5	.	.	PUNCT
iogr-1334	325	1	elochukwu	elochukwu	NOUN
iogr-1334	325	2	,	,	PUNCT
iogr-1334	325	3	h.	h.	PROPN
iogr-1334	325	4	and	and	CCONJ
iogr-1334	325	5	kenneth	kenneth	PROPN
iogr-1334	325	6	,	,	PUNCT
iogr-1334	325	7	k.k	k.k	PROPN
iogr-1334	325	8	.	.	PROPN
iogr-1334	325	9	2020	2020	NUM
iogr-1334	325	10	.	.	PUNCT
iogr-1334	326	1	characterization	characterization	NOUN
iogr-1334	326	2	of	of	ADP
iogr-1334	326	3	baram	baram	NOUN
iogr-1334	326	4	and	and	CCONJ
iogr-1334	326	5	tanjung	tanjung	NOUN
iogr-1334	326	6	sands	sand	NOUN
iogr-1334	326	7	as	as	ADP
iogr-1334	326	8	potential	potential	ADJ
iogr-1334	326	9	proppants	proppant	NOUN
iogr-1334	326	10	.	.	PUNCT
iogr-1334	327	1	energy	energy	NOUN
iogr-1334	327	2	geoscience	geoscience	NOUN
iogr-1334	327	3	20(1	20(1	NUM
iogr-1334	327	4	):	):	PUNCT
iogr-1334	327	5	1	1	NUM
iogr-1334	327	6	-	-	SYM
iogr-1334	327	7	15	15	NUM
iogr-1334	327	8	.	.	PUNCT
iogr-1334	328	1	gaber	gaber	PROPN
iogr-1334	328	2	,	,	PUNCT
iogr-1334	328	3	m.a.w	m.a.w	NOUN
iogr-1334	328	4	.	.	PUNCT
iogr-1334	328	5	and	and	CCONJ
iogr-1334	328	6	ibrahim	ibrahim	PROPN
iogr-1334	328	7	,	,	PUNCT
iogr-1334	328	8	g.e.d.a	g.e.d.a	PROPN
iogr-1334	328	9	.	.	PROPN
iogr-1334	328	10	2021	2021	NUM
iogr-1334	328	11	.	.	PUNCT
iogr-1334	328	12	characterization	characterization	NOUN
iogr-1334	328	13	of	of	ADP
iogr-1334	328	14	some	some	DET
iogr-1334	328	15	egyptian	egyptian	ADJ
iogr-1334	328	16	white	white	ADJ
iogr-1334	328	17	sand	sand	NOUN
iogr-1334	328	18	and	and	CCONJ
iogr-1334	328	19	dunes	dune	NOUN
iogr-1334	328	20	for	for	ADP
iogr-1334	328	21	utilization	utilization	NOUN
iogr-1334	328	22	as	as	ADP
iogr-1334	328	23	hydraulic	hydraulic	ADJ
iogr-1334	328	24	fracturing	fracturing	NOUN
iogr-1334	328	25	sand	sand	NOUN
iogr-1334	328	26	for	for	ADP
iogr-1334	328	27	tight	tight	ADJ
iogr-1334	328	28	oil	oil	NOUN
iogr-1334	328	29	well	well	NOUN
iogr-1334	328	30	layers	layer	NOUN
iogr-1334	328	31	.	.	PUNCT
iogr-1334	329	1	annals	annals	PROPN
iogr-1334	329	2	geol	geol	PROPN
iogr-1334	329	3	.	.	PUNCT
iogr-1334	330	1	surv	surv	PROPN
iogr-1334	330	2	.	.	PUNCT
iogr-1334	331	1	egypt	egypt	PROPN
iogr-1334	331	2	.	.	PUNCT
iogr-1334	332	1	38(1):1	38(1):1	PROPN
iogr-1334	332	2	-	-	SYM
iogr-1334	332	3	18	18	NUM
iogr-1334	332	4	.	.	PUNCT
iogr-1334	333	1	guo	guo	PROPN
iogr-1334	333	2	,	,	PUNCT
iogr-1334	333	3	b.	b.	PROPN
iogr-1334	333	4	,	,	PUNCT
iogr-1334	333	5	liu	liu	PROPN
iogr-1334	333	6	,	,	PUNCT
iogr-1334	333	7	x.	x.	NOUN
iogr-1334	333	8	,	,	PUNCT
iogr-1334	333	9	and	and	CCONJ
iogr-1334	333	10	tan	tan	PROPN
iogr-1334	333	11	,	,	PUNCT
iogr-1334	333	12	x.	x.	NOUN
iogr-1334	333	13	2017	2017	NUM
iogr-1334	333	14	.	.	PUNCT
iogr-1334	334	1	hydraulic	hydraulic	ADJ
iogr-1334	334	2	fracturing	fracturing	NOUN
iogr-1334	334	3	.	.	PUNCT
iogr-1334	335	1	in	in	ADP
iogr-1334	335	2	petroleum	petroleum	NOUN
iogr-1334	335	3	production	production	NOUN
iogr-1334	335	4	engineering	engineering	NOUN
iogr-1334	335	5	,	,	PUNCT
iogr-1334	335	6	2nd	2nd	PROPN
iogr-1334	335	7	ed	ed	NOUN
iogr-1334	335	8	.	.	PUNCT
iogr-1334	335	9	houston	houston	PROPN
iogr-1334	335	10	,	,	PUNCT
iogr-1334	335	11	texas	texas	PROPN
iogr-1334	335	12	:	:	PUNCT
iogr-1334	335	13	gulf	gulf	PROPN
iogr-1334	335	14	professional	professional	ADJ
iogr-1334	335	15	publishing	publishing	NOUN
iogr-1334	335	16	.	.	PUNCT
iogr-1334	336	1	haque	haque	PROPN
iogr-1334	336	2	,	,	PUNCT
iogr-1334	336	3	m.h	m.h	PROPN
iogr-1334	336	4	.	.	PROPN
iogr-1334	336	5	,	,	PUNCT
iogr-1334	336	6	saini	saini	PROPN
iogr-1334	336	7	,	,	PUNCT
iogr-1334	336	8	r.k	r.k	PROPN
iogr-1334	336	9	.	.	PROPN
iogr-1334	336	10	,	,	PUNCT
iogr-1334	336	11	sayed	say	VERB
iogr-1334	336	12	,	,	PUNCT
iogr-1334	336	13	m.a	m.a	PROPN
iogr-1334	336	14	.	.	PROPN
iogr-1334	336	15	,	,	PUNCT
iogr-1334	336	16	et	et	PROPN
iogr-1334	336	17	al	al	PROPN
iogr-1334	336	18	.	.	PROPN
iogr-1334	336	19	2019	2019	NUM
iogr-1334	336	20	.	.	PUNCT
iogr-1334	337	1	nano	nano	NOUN
iogr-1334	337	2	-	-	PUNCT
iogr-1334	337	3	composite	composite	ADJ
iogr-1334	337	4	resin	resin	NOUN
iogr-1334	337	5	coated	coat	VERB
iogr-1334	337	6	proppant	proppant	NOUN
iogr-1334	337	7	for	for	ADP
iogr-1334	337	8	hydraulic	hydraulic	ADJ
iogr-1334	337	9	fracturing	fracturing	NOUN
iogr-1334	337	10	.	.	PUNCT
iogr-1334	338	1	paper	paper	NOUN
iogr-1334	338	2	presented	present	VERB
iogr-1334	338	3	at	at	ADP
iogr-1334	338	4	the	the	DET
iogr-1334	338	5	offshore	offshore	ADJ
iogr-1334	338	6	technology	technology	PROPN
iogr-1334	338	7	conference	conference	NOUN
iogr-1334	338	8	,	,	PUNCT
iogr-1334	338	9	houston	houston	PROPN
iogr-1334	338	10	,	,	PUNCT
iogr-1334	338	11	texas	texas	PROPN
iogr-1334	338	12	,	,	PUNCT
iogr-1334	338	13	6	6	NUM
iogr-1334	338	14	-	-	SYM
iogr-1334	338	15	9	9	NUM
iogr-1334	338	16	may	may	NOUN
iogr-1334	338	17	.	.	PUNCT
iogr-1334	339	1	otc-29572ms	otc-29572ms	PROPN
iogr-1334	339	2	.	.	PUNCT
iogr-1334	339	3	heagy	heagy	PROPN
iogr-1334	339	4	,	,	PUNCT
iogr-1334	339	5	l.j	l.j	PROPN
iogr-1334	339	6	.	.	PROPN
iogr-1334	339	7	,	,	PUNCT
iogr-1334	339	8	cockett	cockett	PROPN
iogr-1334	339	9	,	,	PUNCT
iogr-1334	339	10	r.	r.	PROPN
iogr-1334	339	11	,	,	PUNCT
iogr-1334	339	12	and	and	CCONJ
iogr-1334	339	13	oldenburg	oldenburg	PROPN
iogr-1334	339	14	,	,	PUNCT
iogr-1334	339	15	d.w	d.w	PROPN
iogr-1334	339	16	.	.	NOUN
iogr-1334	339	17	2014	2014	NUM
iogr-1334	339	18	.	.	PUNCT
iogr-1334	340	1	parametrized	parametrized	ADJ
iogr-1334	340	2	inversion	inversion	NOUN
iogr-1334	340	3	framework	framework	NOUN
iogr-1334	340	4	for	for	ADP
iogr-1334	340	5	proppant	proppant	ADJ
iogr-1334	340	6	volume	volume	NOUN
iogr-1334	340	7	in	in	ADP
iogr-1334	340	8	a	a	DET
iogr-1334	340	9	hydraulically	hydraulically	ADV
iogr-1334	340	10	fractured	fracture	VERB
iogr-1334	340	11	reservoir	reservoir	NOUN
iogr-1334	340	12	.	.	PUNCT
iogr-1334	341	1	paper	paper	NOUN
iogr-1334	341	2	presented	present	VERB
iogr-1334	341	3	at	at	ADP
iogr-1334	341	4	the	the	DET
iogr-1334	341	5	2014	2014	NUM
iogr-1334	341	6	seg	seg	PROPN
iogr-1334	341	7	annual	annual	ADJ
iogr-1334	341	8	meeting	meeting	NOUN
iogr-1334	341	9	,	,	PUNCT
iogr-1334	341	10	denver	denver	PROPN
iogr-1334	341	11	,	,	PUNCT
iogr-1334	341	12	colorado	colorado	PROPN
iogr-1334	341	13	,	,	PUNCT
iogr-1334	341	14	usa	usa	PROPN
iogr-1334	341	15	,	,	PUNCT
iogr-1334	341	16	26	26	NUM
iogr-1334	341	17	-	-	SYM
iogr-1334	341	18	29	29	NUM
iogr-1334	341	19	octobe	octobe	NOUN
iogr-1334	341	20	.	.	PUNCT
iogr-1334	342	1	seg-2014	seg-2014	PROPN
iogr-1334	342	2	-	-	PUNCT
iogr-1334	342	3	1639	1639	NUM
iogr-1334	342	4	hu	hu	PROPN
iogr-1334	342	5	,	,	PUNCT
iogr-1334	342	6	k.	k.	PROPN
iogr-1334	342	7	,	,	PUNCT
iogr-1334	342	8	sun	sun	PROPN
iogr-1334	342	9	,	,	PUNCT
iogr-1334	342	10	j.j	j.j	PROPN
iogr-1334	342	11	.	.	PROPN
iogr-1334	342	12	,	,	PUNCT
iogr-1334	342	13	wong	wong	PROPN
iogr-1334	342	14	,	,	PUNCT
iogr-1334	342	15	j.	j.	PROPN
iogr-1334	342	16	,	,	PUNCT
iogr-1334	342	17	et	et	PROPN
iogr-1334	342	18	al	al	PROPN
iogr-1334	342	19	.	.	PROPN
iogr-1334	342	20	2014	2014	NUM
iogr-1334	342	21	.	.	PUNCT
iogr-1334	343	1	proppants	proppant	NOUN
iogr-1334	343	2	selection	selection	NOUN
iogr-1334	343	3	based	base	VERB
iogr-1334	343	4	on	on	ADP
iogr-1334	343	5	field	field	NOUN
iogr-1334	343	6	case	case	NOUN
iogr-1334	343	7	studies	study	NOUN
iogr-1334	343	8	of	of	ADP
iogr-1334	343	9	well	well	INTJ
iogr-1334	343	10	production	production	NOUN
iogr-1334	343	11	performance	performance	NOUN
iogr-1334	343	12	in	in	ADP
iogr-1334	343	13	the	the	DET
iogr-1334	343	14	bakken	bakken	PROPN
iogr-1334	343	15	shale	shale	NOUN
iogr-1334	343	16	play	play	NOUN
iogr-1334	343	17	.	.	PUNCT
iogr-1334	344	1	paper	paper	NOUN
iogr-1334	344	2	presented	present	VERB
iogr-1334	344	3	at	at	ADP
iogr-1334	344	4	the	the	DET
iogr-1334	344	5	spe	spe	PROPN
iogr-1334	344	6	western	western	ADJ
iogr-1334	344	7	north	north	PROPN
iogr-1334	344	8	american	american	ADJ
iogr-1334	344	9	and	and	CCONJ
iogr-1334	344	10	rocky	rocky	ADJ
iogr-1334	344	11	mountain	mountain	NOUN
iogr-1334	344	12	joint	joint	ADJ
iogr-1334	344	13	meeting	meeting	NOUN
iogr-1334	344	14	,	,	PUNCT
iogr-1334	344	15	denver	denver	PROPN
iogr-1334	344	16	,	,	PUNCT
iogr-1334	344	17	colorado	colorado	PROPN
iogr-1334	344	18	,	,	PUNCT
iogr-1334	344	19	17	17	NUM
iogr-1334	344	20	-	-	SYM
iogr-1334	344	21	19	19	NUM
iogr-1334	344	22	april.spe-169566	april.spe-169566	NOUN
iogr-1334	344	23	-	-	PUNCT
iogr-1334	344	24	ms	ms	PROPN
iogr-1334	344	25	ismaeel	ismaeel	PROPN
iogr-1334	344	26	,	,	PUNCT
iogr-1334	344	27	e.	e.	PROPN
iogr-1334	344	28	and	and	CCONJ
iogr-1334	344	29	tayeb	tayeb	PROPN
iogr-1334	344	30	,	,	PUNCT
iogr-1334	344	31	a.	a.	NOUN
iogr-1334	344	32	2024	2024	NUM
iogr-1334	344	33	.	.	PUNCT
iogr-1334	345	1	reduction	reduction	NOUN
iogr-1334	345	2	of	of	ADP
iogr-1334	345	3	water	water	NOUN
iogr-1334	345	4	turbidity	turbidity	NOUN
iogr-1334	345	5	with	with	ADP
iogr-1334	345	6	bio	bio	NOUN
iogr-1334	345	7	-	-	NOUN
iogr-1334	345	8	flocculent	flocculent	NOUN
iogr-1334	345	9	:	:	PUNCT
iogr-1334	345	10	use	use	NOUN
iogr-1334	345	11	of	of	ADP
iogr-1334	345	12	aloe	aloe	PROPN
iogr-1334	345	13	vera	vera	NOUN
iogr-1334	345	14	gel	gel	NOUN
iogr-1334	345	15	.	.	PUNCT
iogr-1334	346	1	international	international	ADJ
iogr-1334	346	2	journal	journal	PROPN
iogr-1334	346	3	of	of	ADP
iogr-1334	346	4	industry	industry	NOUN
iogr-1334	346	5	and	and	CCONJ
iogr-1334	346	6	sustainable	sustainable	ADJ
iogr-1334	346	7	development	development	NOUN
iogr-1334	346	8	1(1):1	1(1):1	PROPN
iogr-1334	346	9	-	-	SYM
iogr-1334	346	10	17	17	NUM
iogr-1334	346	11	.	.	PUNCT
iogr-1334	347	1	kamel	kamel	PROPN
iogr-1334	347	2	,	,	PUNCT
iogr-1334	347	3	a.	a.	PROPN
iogr-1334	347	4	,	,	PUNCT
iogr-1334	347	5	salem	salem	PROPN
iogr-1334	347	6	,	,	PUNCT
iogr-1334	347	7	z.	z.	PROPN
iogr-1334	347	8	,	,	PUNCT
iogr-1334	347	9	chemini	chemini	PROPN
iogr-1334	347	10	,	,	PUNCT
iogr-1334	347	11	r.	r.	PROPN
iogr-1334	347	12	,	,	PUNCT
iogr-1334	347	13	et	et	PROPN
iogr-1334	347	14	al	al	PROPN
iogr-1334	347	15	.	.	PROPN
iogr-1334	347	16	2019	2019	NUM
iogr-1334	347	17	.	.	PUNCT
iogr-1334	348	1	characterization	characterization	NOUN
iogr-1334	348	2	of	of	ADP
iogr-1334	348	3	natural	natural	ADJ
iogr-1334	348	4	sand	sand	NOUN
iogr-1334	348	5	proppant	proppant	NOUN
iogr-1334	348	6	used	use	VERB
iogr-1334	348	7	in	in	ADP
iogr-1334	348	8	hydraulic	hydraulic	ADJ
iogr-1334	348	9	fracturing	fracturing	NOUN
iogr-1334	348	10	fluids	fluid	NOUN
iogr-1334	348	11	.	.	PUNCT
iogr-1334	349	1	particulate	particulate	NOUN
iogr-1334	349	2	science	science	NOUN
iogr-1334	349	3	and	and	CCONJ
iogr-1334	349	4	technology	technology	NOUN
iogr-1334	349	5	37(6	37(6	NUM
iogr-1334	349	6	):	):	PUNCT
iogr-1334	349	7	716	716	NUM
iogr-1334	349	8	-	-	SYM
iogr-1334	349	9	724	724	NUM
iogr-1334	349	10	.	.	PUNCT
iogr-1334	350	1	liang	liang	PROPN
iogr-1334	350	2	,	,	PUNCT
iogr-1334	350	3	f.	f.	PROPN
iogr-1334	350	4	,	,	PUNCT
iogr-1334	350	5	sayed	say	VERB
iogr-1334	350	6	,	,	PUNCT
iogr-1334	350	7	m.	m.	NOUN
iogr-1334	350	8	,	,	PUNCT
iogr-1334	350	9	al	al	PROPN
iogr-1334	350	10	-	-	PUNCT
iogr-1334	350	11	muntasheri	muntasheri	PROPN
iogr-1334	350	12	,	,	PUNCT
iogr-1334	350	13	g.a	g.a	PROPN
iogr-1334	350	14	.	.	PROPN
iogr-1334	350	15	,	,	PUNCT
iogr-1334	350	16	et	et	PROPN
iogr-1334	350	17	al	al	PROPN
iogr-1334	350	18	.	.	PROPN
iogr-1334	350	19	2016	2016	NUM
iogr-1334	350	20	.	.	PUNCT
iogr-1334	351	1	a	a	DET
iogr-1334	351	2	comprehensive	comprehensive	ADJ
iogr-1334	351	3	review	review	NOUN
iogr-1334	351	4	on	on	ADP
iogr-1334	351	5	proppant	proppant	NOUN
iogr-1334	351	6	technologies	technology	NOUN
iogr-1334	351	7	.	.	PUNCT
iogr-1334	352	1	petroleum	petroleum	NOUN
iogr-1334	352	2	2(1	2(1	NUM
iogr-1334	352	3	):	):	PUNCT
iogr-1334	352	4	26	26	NUM
iogr-1334	352	5	-	-	SYM
iogr-1334	352	6	39	39	NUM
iogr-1334	352	7	.	.	PUNCT
iogr-1334	353	1	martins	martin	NOUN
iogr-1334	353	2	,	,	PUNCT
iogr-1334	353	3	l.s	l.s	PROPN
iogr-1334	353	4	.	.	PROPN
iogr-1334	353	5	,	,	PUNCT
iogr-1334	353	6	zanini	zanini	PROPN
iogr-1334	353	7	,	,	PUNCT
iogr-1334	353	8	n.c	n.c	PROPN
iogr-1334	353	9	.	.	PROPN
iogr-1334	353	10	,	,	PUNCT
iogr-1334	353	11	botelho	botelho	NOUN
iogr-1334	353	12	,	,	PUNCT
iogr-1334	353	13	a.l.s	a.l.s	NOUN
iogr-1334	353	14	.	.	PROPN
iogr-1334	353	15	,	,	PUNCT
iogr-1334	353	16	et	et	PROPN
iogr-1334	353	17	al	al	PROPN
iogr-1334	353	18	.	.	PROPN
iogr-1334	353	19	2021	2021	NUM
iogr-1334	353	20	.	.	PUNCT
iogr-1334	354	1	envelopes	envelope	NOUN
iogr-1334	354	2	with	with	ADP
iogr-1334	354	3	microplastics	microplastic	NOUN
iogr-1334	354	4	generated	generate	VERB
iogr-1334	354	5	from	from	ADP
iogr-1334	354	6	recycled	recycle	VERB
iogr-1334	354	7	plastic	plastic	NOUN
iogr-1334	354	8	bags	bag	NOUN
iogr-1334	354	9	for	for	ADP
iogr-1334	354	10	crude	crude	ADJ
iogr-1334	354	11	oil	oil	NOUN
iogr-1334	354	12	sorption	sorption	NOUN
iogr-1334	354	13	.	.	PUNCT
iogr-1334	355	1	polymer	polymer	NOUN
iogr-1334	355	2	engineering	engineering	NOUN
iogr-1334	355	3	&	&	CCONJ
iogr-1334	355	4	science	science	PROPN
iogr-1334	355	5	61(7):2055	61(7):2055	PROPN
iogr-1334	355	6	-	-	PUNCT
iogr-1334	355	7	2065	2065	NUM
iogr-1334	355	8	.	.	PUNCT
iogr-1334	356	1	moghadasi	moghadasi	NOUN
iogr-1334	356	2	,	,	PUNCT
iogr-1334	356	3	r.	r.	PROPN
iogr-1334	356	4	,	,	PUNCT
iogr-1334	356	5	rostami	rostami	PROPN
iogr-1334	356	6	,	,	PUNCT
iogr-1334	356	7	a.	a.	NOUN
iogr-1334	356	8	,	,	PUNCT
iogr-1334	356	9	and	and	CCONJ
iogr-1334	356	10	hemmati	hemmati	NOUN
iogr-1334	356	11	-	-	PUNCT
iogr-1334	356	12	sarapardeh	sarapardeh	NOUN
iogr-1334	356	13	,	,	PUNCT
iogr-1334	356	14	a.	a.	NOUN
iogr-1334	356	15	2019	2019	NUM
iogr-1334	356	16	.	.	PUNCT
iogr-1334	357	1	application	application	NOUN
iogr-1334	357	2	of	of	ADP
iogr-1334	357	3	nanofluids	nanofluid	NOUN
iogr-1334	357	4	for	for	ADP
iogr-1334	357	5	treating	treat	VERB
iogr-1334	357	6	fines	fine	NOUN
iogr-1334	357	7	migration	migration	NOUN
iogr-1334	357	8	during	during	ADP
iogr-1334	357	9	hydraulic	hydraulic	ADJ
iogr-1334	357	10	fracturing	fracturing	NOUN
iogr-1334	357	11	:	:	PUNCT
iogr-1334	357	12	experimental	experimental	ADJ
iogr-1334	357	13	study	study	NOUN
iogr-1334	357	14	and	and	CCONJ
iogr-1334	357	15	mechanistic	mechanistic	ADJ
iogr-1334	357	16	understanding	understanding	NOUN
iogr-1334	357	17	.	.	PUNCT
iogr-1334	358	1	journal	journal	PROPN
iogr-1334	358	2	name	name	NOUN
iogr-1334	358	3	3(2	3(2	NUM
iogr-1334	358	4	):	):	PUNCT
iogr-1334	358	5	198	198	NUM
iogr-1334	358	6	-	-	SYM
iogr-1334	358	7	206	206	NUM
iogr-1334	358	8	.	.	PUNCT
iogr-1334	359	1	mohamad	mohamad	PROPN
iogr-1334	359	2	-	-	PUNCT
iogr-1334	359	3	sobri	sobri	PROPN
iogr-1334	359	4	,	,	PUNCT
iogr-1334	359	5	a.n	a.n	PROPN
iogr-1334	359	6	.	.	PROPN
iogr-1334	359	7	2013	2013	NUM
iogr-1334	359	8	.	.	PUNCT
iogr-1334	360	1	microscopic	microscopic	ADJ
iogr-1334	360	2	study	study	NOUN
iogr-1334	360	3	on	on	ADP
iogr-1334	360	4	size	size	NOUN
iogr-1334	360	5	and	and	CCONJ
iogr-1334	360	6	roundness	roundness	NOUN
iogr-1334	360	7	of	of	ADP
iogr-1334	360	8	some	some	DET
iogr-1334	360	9	malaysian	malaysian	ADJ
iogr-1334	360	10	sand	sand	NOUN
iogr-1334	360	11	for	for	ADP
iogr-1334	360	12	proppant	proppant	NOUN
iogr-1334	360	13	.	.	PUNCT
iogr-1334	361	1	ms	ms	PROPN
iogr-1334	361	2	thesis	thesis	NOUN
iogr-1334	361	3	.	.	PUNCT
iogr-1334	362	1	universiti	universiti	PROPN
iogr-1334	362	2	teknologi	teknologi	PROPN
iogr-1334	362	3	petronas	petronas	PROPN
iogr-1334	362	4	,	,	PUNCT
iogr-1334	362	5	perak	perak	PROPN
iogr-1334	362	6	,	,	PUNCT
iogr-1334	362	7	malaysia	malaysia	PROPN
iogr-1334	362	8	.	.	PUNCT
iogr-1334	363	1	rojas	rojas	PROPN
iogr-1334	363	2	,	,	PUNCT
iogr-1334	363	3	a.	a.	PROPN
iogr-1334	363	4	,	,	PUNCT
iogr-1334	363	5	rezaei	rezaei	PROPN
iogr-1334	363	6	koochi	koochi	PROPN
iogr-1334	363	7	,	,	PUNCT
iogr-1334	363	8	m.	m.	NOUN
iogr-1334	363	9	,	,	PUNCT
iogr-1334	363	10	varfolomeev	varfolomeev	PROPN
iogr-1334	363	11	,	,	PUNCT
iogr-1334	363	12	m.a	m.a	PROPN
iogr-1334	363	13	.	.	PROPN
iogr-1334	363	14	,	,	PUNCT
iogr-1334	363	15	et	et	PROPN
iogr-1334	363	16	al	al	PROPN
iogr-1334	363	17	.	.	PROPN
iogr-1334	363	18	2023	2023	NUM
iogr-1334	363	19	.	.	PUNCT
iogr-1334	364	1	catalytic	catalytic	ADJ
iogr-1334	364	2	activation	activation	NOUN
iogr-1334	364	3	of	of	ADP
iogr-1334	364	4	ammonium	ammonium	NOUN
iogr-1334	364	5	nitrate	nitrate	NOUN
iogr-1334	364	6	and	and	CCONJ
iogr-1334	364	7	sodium	sodium	NOUN
iogr-1334	364	8	nitrite	nitrite	NOUN
iogr-1334	364	9	:	:	PUNCT
iogr-1334	364	10	experimental	experimental	ADJ
iogr-1334	364	11	,	,	PUNCT
iogr-1334	364	12	modeling	modeling	NOUN
iogr-1334	364	13	and	and	CCONJ
iogr-1334	364	14	prediction	prediction	NOUN
iogr-1334	364	15	of	of	ADP
iogr-1334	364	16	the	the	DET
iogr-1334	364	17	fracking	fracke	VERB
iogr-1334	364	18	envelope	envelope	NOUN
iogr-1334	364	19	in	in	ADP
iogr-1334	364	20	low	low	ADJ
iogr-1334	364	21	-	-	PUNCT
iogr-1334	364	22	permeability	permeability	NOUN
iogr-1334	364	23	reservoirs	reservoir	NOUN
iogr-1334	364	24	.	.	PUNCT
iogr-1334	365	1	energy	energy	NOUN
iogr-1334	365	2	&	&	CCONJ
iogr-1334	365	3	fuels	fuel	NOUN
iogr-1334	365	4	37(20):1	37(20):1	PROPN
iogr-1334	365	5	-	-	SYM
iogr-1334	365	6	15	15	NUM
iogr-1334	365	7	.	.	PUNCT
iogr-1334	365	8	soane	soane	NOUN
iogr-1334	365	9	,	,	PUNCT
iogr-1334	365	10	d.	d.	PROPN
iogr-1334	365	11	,	,	PUNCT
iogr-1334	365	12	mahoney	mahoney	PROPN
iogr-1334	365	13	,	,	PUNCT
iogr-1334	365	14	r.p	r.p	PROPN
iogr-1334	365	15	.	.	PROPN
iogr-1334	365	16	,	,	PUNCT
iogr-1334	365	17	and	and	CCONJ
iogr-1334	365	18	casado	casado	PROPN
iogr-1334	365	19	portilla	portilla	PROPN
iogr-1334	365	20	,	,	PUNCT
iogr-1334	365	21	r.	r.	PROPN
iogr-1334	365	22	2011	2011	NUM
iogr-1334	365	23	.	.	PUNCT
iogr-1334	366	1	proppants	proppant	NOUN
iogr-1334	366	2	for	for	ADP
iogr-1334	366	3	hydraulic	hydraulic	ADJ
iogr-1334	366	4	fracturing	fracturing	NOUN
iogr-1334	366	5	technologies	technology	NOUN
iogr-1334	366	6	.	.	PUNCT
iogr-1334	367	1	u.s	u.s	PROPN
iogr-1334	367	2	.	.	PROPN
iogr-1334	367	3	patent	patent	NOUN
iogr-1334	367	4	no	no	PROPN
iogr-1334	367	5	.	.	PUNCT
iogr-1334	368	1	us20110120719a1	us20110120719a1	PROPN
iogr-1334	368	2	.	.	PUNCT
iogr-1334	368	3	tang	tang	PROPN
iogr-1334	368	4	,	,	PUNCT
iogr-1334	368	5	y.	y.	PROPN
iogr-1334	368	6	,	,	PUNCT
iogr-1334	368	7	ranjith	ranjith	PROPN
iogr-1334	368	8	,	,	PUNCT
iogr-1334	368	9	p.	p.	NOUN
iogr-1334	368	10	,	,	PUNCT
iogr-1334	368	11	and	and	CCONJ
iogr-1334	368	12	perera	perera	PROPN
iogr-1334	368	13	,	,	PUNCT
iogr-1334	368	14	m.	m.	NOUN
iogr-1334	368	15	2018	2018	NUM
iogr-1334	368	16	.	.	PUNCT
iogr-1334	369	1	major	major	ADJ
iogr-1334	369	2	factors	factor	NOUN
iogr-1334	369	3	influencing	influence	VERB
iogr-1334	369	4	proppant	proppant	NOUN
iogr-1334	369	5	behavior	behavior	NOUN
iogr-1334	369	6	and	and	CCONJ
iogr-1334	369	7	proppantassociated	proppantassociate	VERB
iogr-1334	369	8	damage	damage	NOUN
iogr-1334	369	9	mechanisms	mechanism	NOUN
iogr-1334	369	10	during	during	ADP
iogr-1334	369	11	hydraulic	hydraulic	ADJ
iogr-1334	369	12	fracturing	fracturing	NOUN
iogr-1334	369	13	.	.	PUNCT
iogr-1334	370	1	acta	acta	PROPN
iogr-1334	370	2	geotechnica	geotechnica	PROPN
iogr-1334	370	3	18(4	18(4	NUM
iogr-1334	370	4	):	):	PUNCT
iogr-1334	370	5	757	757	PROPN
iogr-1334	370	6	-	-	SYM
iogr-1334	370	7	780	780	NUM
iogr-1334	370	8	.	.	PUNCT
iogr-1334	371	1	taylor	taylor	PROPN
iogr-1334	371	2	,	,	PUNCT
iogr-1334	371	3	r.s	r.s	PROPN
iogr-1334	371	4	.	.	PROPN
iogr-1334	371	5	,	,	PUNCT
iogr-1334	371	6	mcintosh	mcintosh	PROPN
iogr-1334	371	7	,	,	PUNCT
iogr-1334	371	8	g.	g.	PROPN
iogr-1334	371	9	,	,	PUNCT
iogr-1334	371	10	litun	litun	PROPN
iogr-1334	371	11	,	,	PUNCT
iogr-1334	371	12	r.	r.	PROPN
iogr-1334	371	13	,	,	PUNCT
iogr-1334	371	14	et	et	PROPN
iogr-1334	371	15	al	al	PROPN
iogr-1334	371	16	.	.	PROPN
iogr-1334	371	17	2009	2009	NUM
iogr-1334	371	18	.	.	PUNCT
iogr-1334	372	1	montney	montney	ADJ
iogr-1334	372	2	fracturing	fracturing	NOUN
iogr-1334	372	3	-	-	PUNCT
iogr-1334	372	4	fluid	fluid	NOUN
iogr-1334	372	5	considerations	consideration	NOUN
iogr-1334	372	6	.	.	PUNCT
iogr-1334	373	1	journal	journal	PROPN
iogr-1334	373	2	name	name	PROPN
iogr-1334	373	3	49(12):1	49(12):1	PROPN
iogr-1334	373	4	-	-	SYM
iogr-1334	373	5	16	16	NUM
iogr-1334	373	6	.	.	PUNCT
iogr-1334	374	1	wahab	wahab	PROPN
iogr-1334	374	2	,	,	PUNCT
iogr-1334	374	3	g.m.a	g.m.a	NOUN
iogr-1334	374	4	.	.	PUNCT
iogr-1334	374	5	,	,	PUNCT
iogr-1334	374	6	ibrahim	ibrahim	PROPN
iogr-1334	374	7	,	,	PUNCT
iogr-1334	374	8	g.e.d.a	g.e.d.a	PROPN
iogr-1334	374	9	.	.	PROPN
iogr-1334	374	10	,	,	PUNCT
iogr-1334	374	11	and	and	CCONJ
iogr-1334	374	12	abdel	abdel	PROPN
iogr-1334	374	13	wahab	wahab	PROPN
iogr-1334	374	14	,	,	PUNCT
iogr-1334	374	15	a.a.m	a.a.m	PROPN
iogr-1334	374	16	.	.	PROPN
iogr-1334	374	17	2022	2022	NUM
iogr-1334	374	18	.	.	PUNCT
iogr-1334	375	1	geological	geological	ADJ
iogr-1334	375	2	and	and	CCONJ
iogr-1334	375	3	engineering	engineering	NOUN
iogr-1334	375	4	appraisal	appraisal	NOUN
iogr-1334	375	5	of	of	ADP
iogr-1334	375	6	hydraulic	hydraulic	ADJ
iogr-1334	375	7	frac	frac	ADJ
iogr-1334	375	8	sand	sand	NOUN
iogr-1334	375	9	in	in	ADP
iogr-1334	375	10	some	some	DET
iogr-1334	375	11	egyptian	egyptian	ADJ
iogr-1334	375	12	localities	locality	NOUN
iogr-1334	375	13	as	as	ADP
iogr-1334	375	14	a	a	DET
iogr-1334	375	15	proppant	proppant	NOUN
iogr-1334	375	16	of	of	ADP
iogr-1334	375	17	oil	oil	NOUN
iogr-1334	375	18	well	well	NOUN
iogr-1334	375	19	drilling	drilling	NOUN
iogr-1334	375	20	.	.	PUNCT
iogr-1334	376	1	heliyon	heliyon	PROPN
iogr-1334	376	2	8(8):1	8(8):1	PROPN
iogr-1334	376	3	-	-	SYM
iogr-1334	376	4	22	22	NUM
iogr-1334	376	5	.	.	PUNCT
iogr-1334	377	1	xu	xu	PROPN
iogr-1334	377	2	,	,	PUNCT
iogr-1334	377	3	f.	f.	PROPN
iogr-1334	377	4	,	,	PUNCT
iogr-1334	377	5	yao	yao	PROPN
iogr-1334	377	6	,	,	PUNCT
iogr-1334	377	7	k.	k.	PROPN
iogr-1334	377	8	,	,	PUNCT
iogr-1334	377	9	li	li	PROPN
iogr-1334	377	10	,	,	PUNCT
iogr-1334	377	11	d.	d.	PROPN
iogr-1334	377	12	,	,	PUNCT
iogr-1334	377	13	et	et	PROPN
iogr-1334	377	14	al	al	PROPN
iogr-1334	377	15	.	.	PROPN
iogr-1334	377	16	2022	2022	NUM
iogr-1334	377	17	.	.	PUNCT
iogr-1334	378	1	study	study	NOUN
iogr-1334	378	2	on	on	ADP
iogr-1334	378	3	the	the	DET
iogr-1334	378	4	effect	effect	NOUN
iogr-1334	378	5	of	of	ADP
iogr-1334	378	6	acid	acid	ADJ
iogr-1334	378	7	corrosion	corrosion	NOUN
iogr-1334	378	8	on	on	ADP
iogr-1334	378	9	proppant	proppant	NOUN
iogr-1334	378	10	properties	property	NOUN
iogr-1334	378	11	.	.	PUNCT
iogr-1334	379	1	energies	energy	NOUN
iogr-1334	379	2	15(22	15(22	PROPN
iogr-1334	379	3	):	):	PUNCT
iogr-1334	379	4	83	83	NUM
iogr-1334	379	5	-	-	SYM
iogr-1334	379	6	101	101	NUM
iogr-1334	379	7	.	.	PUNCT
iogr-1334	380	1	improved	improve	VERB
iogr-1334	380	2	oil	oil	NOUN
iogr-1334	380	3	and	and	CCONJ
iogr-1334	380	4	gas	gas	NOUN
iogr-1334	380	5	recovery	recovery	NOUN
iogr-1334	380	6	18	18	NUM
iogr-1334	380	7	zhang	zhang	PROPN
iogr-1334	380	8	,	,	PUNCT
iogr-1334	380	9	y.	y.	PROPN
iogr-1334	380	10	,	,	PUNCT
iogr-1334	380	11	lu	lu	PROPN
iogr-1334	380	12	,	,	PUNCT
iogr-1334	380	13	x.	x.	PROPN
iogr-1334	380	14	,	,	PUNCT
iogr-1334	380	15	zhang	zhang	PROPN
iogr-1334	380	16	,	,	PUNCT
iogr-1334	380	17	x.	x.	PROPN
iogr-1334	380	18	,	,	PUNCT
iogr-1334	380	19	et	et	PROPN
iogr-1334	380	20	al	al	PROPN
iogr-1334	380	21	.	.	PROPN
iogr-1334	380	22	2020	2020	NUM
iogr-1334	380	23	.	.	PUNCT
iogr-1334	381	1	proppant	proppant	NOUN
iogr-1334	381	2	transportation	transportation	NOUN
iogr-1334	381	3	in	in	ADP
iogr-1334	381	4	cross	cross	NOUN
iogr-1334	381	5	fractures	fracture	NOUN
iogr-1334	381	6	:	:	PUNCT
iogr-1334	381	7	some	some	DET
iogr-1334	381	8	findings	finding	NOUN
iogr-1334	381	9	and	and	CCONJ
iogr-1334	381	10	suggestions	suggestion	NOUN
iogr-1334	381	11	for	for	ADP
iogr-1334	381	12	field	field	NOUN
iogr-1334	381	13	engineering	engineering	NOUN
iogr-1334	381	14	.	.	PUNCT
iogr-1334	382	1	energies	energy	NOUN
iogr-1334	382	2	13(18	13(18	NUM
iogr-1334	382	3	):	):	PUNCT
iogr-1334	382	4	4912	4912	NUM
iogr-1334	382	5	-	-	PUNCT
iogr-1334	382	6	4924	4924	NUM
iogr-1334	382	7	.	.	PUNCT
iogr-1334	383	1	zoveidavianpoor	zoveidavianpoor	PROPN
iogr-1334	383	2	,	,	PUNCT
iogr-1334	383	3	m.	m.	NOUN
iogr-1334	383	4	and	and	CCONJ
iogr-1334	383	5	gharibi	gharibi	NOUN
iogr-1334	383	6	,	,	PUNCT
iogr-1334	383	7	a.	a.	NOUN
iogr-1334	383	8	2015	2015	NUM
iogr-1334	383	9	.	.	PUNCT
iogr-1334	384	1	application	application	NOUN
iogr-1334	384	2	of	of	ADP
iogr-1334	384	3	polymers	polymer	NOUN
iogr-1334	384	4	for	for	ADP
iogr-1334	384	5	coating	coat	VERB
iogr-1334	384	6	of	of	ADP
iogr-1334	384	7	proppant	proppant	NOUN
iogr-1334	384	8	in	in	ADP
iogr-1334	384	9	hydraulic	hydraulic	ADJ
iogr-1334	384	10	fracturing	fracturing	NOUN
iogr-1334	384	11	of	of	ADP
iogr-1334	384	12	subterraneous	subterraneous	ADJ
iogr-1334	384	13	formations	formation	NOUN
iogr-1334	384	14	:	:	PUNCT
iogr-1334	384	15	a	a	DET
iogr-1334	384	16	comprehensive	comprehensive	ADJ
iogr-1334	384	17	review	review	NOUN
iogr-1334	384	18	.	.	PUNCT
iogr-1334	385	1	journal	journal	PROPN
iogr-1334	385	2	of	of	ADP
iogr-1334	385	3	natural	natural	ADJ
iogr-1334	385	4	gas	gas	NOUN
iogr-1334	385	5	science	science	NOUN
iogr-1334	385	6	and	and	CCONJ
iogr-1334	385	7	engineering	engineering	NOUN
iogr-1334	385	8	24(1	24(1	NOUN
iogr-1334	385	9	):	):	PUNCT
iogr-1334	385	10	24	24	NUM
iogr-1334	385	11	-	-	SYM
iogr-1334	385	12	34	34	NUM
iogr-1334	385	13	.	.	PUNCT
iogr-1334	386	1	zwalatha	zwalatha	PROPN
iogr-1334	386	2	,	,	PUNCT
iogr-1334	386	3	m.r	m.r	PROPN
iogr-1334	386	4	.	.	PROPN
iogr-1334	386	5	,	,	PUNCT
iogr-1334	386	6	mohammed	mohammed	PROPN
iogr-1334	386	7	,	,	PUNCT
iogr-1334	386	8	b.a	b.a	PROPN
iogr-1334	386	9	.	.	PROPN
iogr-1334	386	10	,	,	PUNCT
iogr-1334	386	11	garba	garba	PROPN
iogr-1334	386	12	,	,	PUNCT
iogr-1334	386	13	k.	k.	PROPN
iogr-1334	386	14	,	,	PUNCT
iogr-1334	386	15	et	et	PROPN
iogr-1334	386	16	al	al	PROPN
iogr-1334	386	17	.	.	PROPN
iogr-1334	386	18	2024	2024	NUM
iogr-1334	386	19	.	.	PUNCT
iogr-1334	387	1	appraisal	appraisal	NOUN
iogr-1334	387	2	of	of	ADP
iogr-1334	387	3	the	the	DET
iogr-1334	387	4	propping	prop	VERB
iogr-1334	387	5	potential	potential	NOUN
iogr-1334	387	6	of	of	ADP
iogr-1334	387	7	luwa	luwa	NOUN
iogr-1334	387	8	sand	sand	NOUN
iogr-1334	387	9	in	in	ADP
iogr-1334	387	10	nigeria	nigeria	PROPN
iogr-1334	387	11	for	for	ADP
iogr-1334	387	12	hydraulic	hydraulic	ADJ
iogr-1334	387	13	fracturing	fracturing	NOUN
iogr-1334	387	14	applications	application	NOUN
iogr-1334	387	15	.	.	PUNCT
iogr-1334	388	1	abuad	abuad	PROPN
iogr-1334	388	2	journal	journal	PROPN
iogr-1334	388	3	of	of	ADP
iogr-1334	388	4	engineering	engineering	NOUN
iogr-1334	388	5	and	and	CCONJ
iogr-1334	388	6	applied	apply	VERB
iogr-1334	388	7	sciences	science	NOUN
iogr-1334	388	8	2(1	2(1	NUM
iogr-1334	388	9	):	):	PUNCT
iogr-1334	388	10	1019	1019	NUM
iogr-1334	388	11	.	.	PUNCT