id	sid	tid	token	lemma	pos
ajst-30934	1	1	academic	academic	ADJ
ajst-30934	1	2	journal	journal	NOUN
ajst-30934	1	3	of	of	ADP
ajst-30934	1	4	science	science	NOUN
ajst-30934	1	5	and	and	CCONJ
ajst-30934	1	6	technology	technology	NOUN
ajst-30934	1	7	issn	issn	NOUN
ajst-30934	1	8	:	:	PUNCT
ajst-30934	1	9	2771	2771	NUM
ajst-30934	1	10	-	-	SYM
ajst-30934	1	11	3032	3032	NUM
ajst-30934	1	12	|	|	NOUN
ajst-30934	1	13	vol	vol	NOUN
ajst-30934	1	14	.	.	PROPN
ajst-30934	1	15	15	15	NUM
ajst-30934	1	16	,	,	PUNCT
ajst-30934	1	17	no	no	INTJ
ajst-30934	1	18	.	.	NOUN
ajst-30934	1	19	2	2	NUM
ajst-30934	1	20	,	,	PUNCT
ajst-30934	1	21	2025	2025	NUM
ajst-30934	1	22	249	249	NUM
ajst-30934	1	23	coalbed	coalbe	VERB
ajst-30934	1	24	methane	methane	NOUN
ajst-30934	1	25	(	(	PUNCT
ajst-30934	1	26	cbm	cbm	NOUN
ajst-30934	1	27	)	)	PUNCT
ajst-30934	1	28	extraction	extraction	NOUN
ajst-30934	1	29	:	:	PUNCT
ajst-30934	1	30	techniques	technique	NOUN
ajst-30934	1	31	,	,	PUNCT
ajst-30934	1	32	challenges	challenge	NOUN
ajst-30934	1	33	,	,	PUNCT
ajst-30934	1	34	and	and	CCONJ
ajst-30934	1	35	environmental	environmental	ADJ
ajst-30934	1	36	considerations	consideration	NOUN
ajst-30934	1	37	yilin	yilin	PROPN
ajst-30934	1	38	wu	wu	PROPN
ajst-30934	1	39	college	college	PROPN
ajst-30934	1	40	of	of	ADP
ajst-30934	1	41	petroleum	petroleum	NOUN
ajst-30934	1	42	engineering	engineering	NOUN
ajst-30934	1	43	,	,	PUNCT
ajst-30934	1	44	xi'an	xi'an	PROPN
ajst-30934	1	45	shiyou	shiyou	PROPN
ajst-30934	1	46	university	university	PROPN
ajst-30934	1	47	,	,	PUNCT
ajst-30934	1	48	xi'an	xi'an	PROPN
ajst-30934	1	49	,	,	PUNCT
ajst-30934	1	50	shanxi	shanxi	PROPN
ajst-30934	1	51	710065	710065	NUM
ajst-30934	1	52	,	,	PUNCT
ajst-30934	1	53	china	china	PROPN
ajst-30934	1	54	abstract	abstract	NOUN
ajst-30934	1	55	:	:	PUNCT
ajst-30934	1	56	coalbed	coalbe	VERB
ajst-30934	1	57	methane	methane	NOUN
ajst-30934	1	58	(	(	PUNCT
ajst-30934	1	59	cbm	cbm	PROPN
ajst-30934	1	60	)	)	PUNCT
ajst-30934	1	61	,	,	PUNCT
ajst-30934	1	62	an	an	DET
ajst-30934	1	63	unconventional	unconventional	ADJ
ajst-30934	1	64	natural	natural	ADJ
ajst-30934	1	65	gas	gas	NOUN
ajst-30934	1	66	resource	resource	NOUN
ajst-30934	1	67	,	,	PUNCT
ajst-30934	1	68	has	have	AUX
ajst-30934	1	69	gained	gain	VERB
ajst-30934	1	70	significant	significant	ADJ
ajst-30934	1	71	attention	attention	NOUN
ajst-30934	1	72	as	as	ADP
ajst-30934	1	73	an	an	DET
ajst-30934	1	74	alternative	alternative	ADJ
ajst-30934	1	75	energy	energy	NOUN
ajst-30934	1	76	source	source	NOUN
ajst-30934	1	77	.	.	PUNCT
ajst-30934	2	1	this	this	DET
ajst-30934	2	2	paper	paper	NOUN
ajst-30934	2	3	reviews	review	VERB
ajst-30934	2	4	the	the	DET
ajst-30934	2	5	extraction	extraction	NOUN
ajst-30934	2	6	techniques	technique	NOUN
ajst-30934	2	7	,	,	PUNCT
ajst-30934	2	8	challenges	challenge	NOUN
ajst-30934	2	9	,	,	PUNCT
ajst-30934	2	10	and	and	CCONJ
ajst-30934	2	11	environmental	environmental	ADJ
ajst-30934	2	12	impacts	impact	NOUN
ajst-30934	2	13	associated	associate	VERB
ajst-30934	2	14	with	with	ADP
ajst-30934	2	15	cbm	cbm	PROPN
ajst-30934	2	16	production	production	NOUN
ajst-30934	2	17	.	.	PUNCT
ajst-30934	3	1	the	the	DET
ajst-30934	3	2	primary	primary	ADJ
ajst-30934	3	3	methods	method	NOUN
ajst-30934	3	4	include	include	VERB
ajst-30934	3	5	dewatering	dewatere	VERB
ajst-30934	3	6	,	,	PUNCT
ajst-30934	3	7	hydraulic	hydraulic	ADJ
ajst-30934	3	8	fracturing	fracturing	NOUN
ajst-30934	3	9	,	,	PUNCT
ajst-30934	3	10	and	and	CCONJ
ajst-30934	3	11	enhanced	enhance	VERB
ajst-30934	3	12	coalbed	coalbe	VERB
ajst-30934	3	13	methane	methane	NOUN
ajst-30934	3	14	recovery	recovery	NOUN
ajst-30934	3	15	(	(	PUNCT
ajst-30934	3	16	ecbm	ecbm	ADJ
ajst-30934	3	17	)	)	PUNCT
ajst-30934	3	18	.	.	PUNCT
ajst-30934	4	1	despite	despite	SCONJ
ajst-30934	4	2	its	its	PRON
ajst-30934	4	3	potential	potential	NOUN
ajst-30934	4	4	,	,	PUNCT
ajst-30934	4	5	cbm	cbm	PROPN
ajst-30934	4	6	extraction	extraction	NOUN
ajst-30934	4	7	faces	face	VERB
ajst-30934	4	8	technical	technical	ADJ
ajst-30934	4	9	,	,	PUNCT
ajst-30934	4	10	economic	economic	ADJ
ajst-30934	4	11	,	,	PUNCT
ajst-30934	4	12	and	and	CCONJ
ajst-30934	4	13	environmental	environmental	ADJ
ajst-30934	4	14	challenges	challenge	NOUN
ajst-30934	4	15	,	,	PUNCT
ajst-30934	4	16	such	such	ADJ
ajst-30934	4	17	as	as	ADP
ajst-30934	4	18	water	water	NOUN
ajst-30934	4	19	management	management	NOUN
ajst-30934	4	20	and	and	CCONJ
ajst-30934	4	21	greenhouse	greenhouse	NOUN
ajst-30934	4	22	gas	gas	NOUN
ajst-30934	4	23	emissions	emission	NOUN
ajst-30934	4	24	.	.	PUNCT
ajst-30934	5	1	sustainable	sustainable	ADJ
ajst-30934	5	2	practices	practice	NOUN
ajst-30934	5	3	and	and	CCONJ
ajst-30934	5	4	technological	technological	ADJ
ajst-30934	5	5	advancements	advancement	NOUN
ajst-30934	5	6	are	be	AUX
ajst-30934	5	7	crucial	crucial	ADJ
ajst-30934	5	8	for	for	ADP
ajst-30934	5	9	optimizing	optimize	VERB
ajst-30934	5	10	cbm	cbm	PROPN
ajst-30934	5	11	production	production	NOUN
ajst-30934	5	12	while	while	SCONJ
ajst-30934	5	13	minimizing	minimize	VERB
ajst-30934	5	14	ecological	ecological	ADJ
ajst-30934	5	15	disturbances	disturbance	NOUN
ajst-30934	5	16	.	.	PUNCT
ajst-30934	6	1	keywords	keyword	NOUN
ajst-30934	6	2	:	:	PUNCT
ajst-30934	6	3	coalbed	coalbe	VERB
ajst-30934	6	4	methane	methane	NOUN
ajst-30934	6	5	;	;	PUNCT
ajst-30934	6	6	unconventional	unconventional	ADJ
ajst-30934	6	7	gas	gas	NOUN
ajst-30934	6	8	;	;	PUNCT
ajst-30934	6	9	hydraulic	hydraulic	ADJ
ajst-30934	6	10	fracturing	fracturing	NOUN
ajst-30934	6	11	;	;	PUNCT
ajst-30934	6	12	dewatering	dewatere	VERB
ajst-30934	6	13	;	;	PUNCT
ajst-30934	6	14	environmental	environmental	ADJ
ajst-30934	6	15	impact	impact	NOUN
ajst-30934	6	16	.	.	PUNCT
ajst-30934	7	1	1	1	X
ajst-30934	7	2	.	.	X
ajst-30934	7	3	introduction	introduction	NOUN
ajst-30934	7	4	coalbed	coalbe	VERB
ajst-30934	7	5	methane	methane	NOUN
ajst-30934	7	6	(	(	PUNCT
ajst-30934	7	7	cbm	cbm	PROPN
ajst-30934	7	8	)	)	PUNCT
ajst-30934	7	9	,	,	PUNCT
ajst-30934	7	10	also	also	ADV
ajst-30934	7	11	known	know	VERB
ajst-30934	7	12	as	as	ADP
ajst-30934	7	13	coal	coal	NOUN
ajst-30934	7	14	seam	seam	NOUN
ajst-30934	7	15	gas	gas	NOUN
ajst-30934	7	16	(	(	PUNCT
ajst-30934	7	17	csg	csg	NOUN
ajst-30934	7	18	)	)	PUNCT
ajst-30934	7	19	,	,	PUNCT
ajst-30934	7	20	is	be	AUX
ajst-30934	7	21	a	a	DET
ajst-30934	7	22	form	form	NOUN
ajst-30934	7	23	of	of	ADP
ajst-30934	7	24	natural	natural	ADJ
ajst-30934	7	25	gas	gas	NOUN
ajst-30934	7	26	trapped	trap	VERB
ajst-30934	7	27	within	within	ADP
ajst-30934	7	28	coal	coal	NOUN
ajst-30934	7	29	seams	seam	NOUN
ajst-30934	7	30	.	.	PUNCT
ajst-30934	8	1	unlike	unlike	ADP
ajst-30934	8	2	conventional	conventional	ADJ
ajst-30934	8	3	gas	gas	NOUN
ajst-30934	8	4	reservoirs	reservoir	NOUN
ajst-30934	8	5	,	,	PUNCT
ajst-30934	8	6	cbm	cbm	PROPN
ajst-30934	8	7	is	be	AUX
ajst-30934	8	8	adsorbed	adsorb	VERB
ajst-30934	8	9	onto	onto	ADP
ajst-30934	8	10	the	the	DET
ajst-30934	8	11	coal	coal	NOUN
ajst-30934	8	12	matrix	matrix	NOUN
ajst-30934	8	13	and	and	CCONJ
ajst-30934	8	14	released	release	VERB
ajst-30934	8	15	through	through	ADP
ajst-30934	8	16	pressure	pressure	NOUN
ajst-30934	8	17	reduction	reduction	NOUN
ajst-30934	8	18	.	.	PUNCT
ajst-30934	9	1	with	with	ADP
ajst-30934	9	2	increasing	increase	VERB
ajst-30934	9	3	global	global	ADJ
ajst-30934	9	4	energy	energy	NOUN
ajst-30934	9	5	demand	demand	NOUN
ajst-30934	9	6	,	,	PUNCT
ajst-30934	9	7	cbm	cbm	PROPN
ajst-30934	9	8	has	have	AUX
ajst-30934	9	9	emerged	emerge	VERB
ajst-30934	9	10	as	as	ADP
ajst-30934	9	11	a	a	DET
ajst-30934	9	12	viable	viable	ADJ
ajst-30934	9	13	energy	energy	NOUN
ajst-30934	9	14	source	source	NOUN
ajst-30934	9	15	,	,	PUNCT
ajst-30934	9	16	particularly	particularly	ADV
ajst-30934	9	17	in	in	ADP
ajst-30934	9	18	countries	country	NOUN
ajst-30934	9	19	like	like	ADP
ajst-30934	9	20	the	the	DET
ajst-30934	9	21	united	united	PROPN
ajst-30934	9	22	states	states	PROPN
ajst-30934	9	23	,	,	PUNCT
ajst-30934	9	24	china	china	PROPN
ajst-30934	9	25	,	,	PUNCT
ajst-30934	9	26	australia	australia	PROPN
ajst-30934	9	27	,	,	PUNCT
ajst-30934	9	28	and	and	CCONJ
ajst-30934	9	29	india	india	PROPN
ajst-30934	9	30	.	.	PUNCT
ajst-30934	10	1	this	this	DET
ajst-30934	10	2	paper	paper	NOUN
ajst-30934	10	3	examines	examine	VERB
ajst-30934	10	4	the	the	DET
ajst-30934	10	5	extraction	extraction	NOUN
ajst-30934	10	6	techniques	technique	NOUN
ajst-30934	10	7	,	,	PUNCT
ajst-30934	10	8	operational	operational	ADJ
ajst-30934	10	9	challenges	challenge	NOUN
ajst-30934	10	10	,	,	PUNCT
ajst-30934	10	11	and	and	CCONJ
ajst-30934	10	12	environmental	environmental	ADJ
ajst-30934	10	13	concerns	concern	NOUN
ajst-30934	10	14	associated	associate	VERB
ajst-30934	10	15	with	with	ADP
ajst-30934	10	16	cbm	cbm	PROPN
ajst-30934	10	17	production	production	NOUN
ajst-30934	10	18	.	.	PUNCT
ajst-30934	11	1	2	2	X
ajst-30934	11	2	.	.	X
ajst-30934	11	3	cbm	cbm	PROPN
ajst-30934	11	4	extraction	extraction	NOUN
ajst-30934	11	5	techniques	technique	NOUN
ajst-30934	11	6	2.1	2.1	NUM
ajst-30934	11	7	.	.	PUNCT
ajst-30934	11	8	primary	primary	ADJ
ajst-30934	11	9	recovery	recovery	NOUN
ajst-30934	11	10	:	:	PUNCT
ajst-30934	11	11	dewatering	dewatere	VERB
ajst-30934	11	12	the	the	DET
ajst-30934	11	13	dewatering	dewatere	VERB
ajst-30934	11	14	process	process	NOUN
ajst-30934	11	15	represents	represent	VERB
ajst-30934	11	16	the	the	DET
ajst-30934	11	17	foundational	foundational	ADJ
ajst-30934	11	18	stage	stage	NOUN
ajst-30934	11	19	of	of	ADP
ajst-30934	11	20	conventional	conventional	ADJ
ajst-30934	11	21	cbm	cbm	PROPN
ajst-30934	11	22	extraction	extraction	NOUN
ajst-30934	11	23	,	,	PUNCT
ajst-30934	11	24	operating	operate	VERB
ajst-30934	11	25	on	on	ADP
ajst-30934	11	26	the	the	DET
ajst-30934	11	27	principle	principle	NOUN
ajst-30934	11	28	of	of	ADP
ajst-30934	11	29	reservoir	reservoir	NOUN
ajst-30934	11	30	depressurization	depressurization	NOUN
ajst-30934	11	31	.	.	PUNCT
ajst-30934	12	1	as	as	SCONJ
ajst-30934	12	2	groundwater	groundwater	NOUN
ajst-30934	12	3	is	be	AUX
ajst-30934	12	4	systematically	systematically	ADV
ajst-30934	12	5	removed	remove	VERB
ajst-30934	12	6	from	from	ADP
ajst-30934	12	7	the	the	DET
ajst-30934	12	8	coal	coal	NOUN
ajst-30934	12	9	seam	seam	NOUN
ajst-30934	12	10	through	through	ADP
ajst-30934	12	11	production	production	NOUN
ajst-30934	12	12	wells	well	NOUN
ajst-30934	12	13	,	,	PUNCT
ajst-30934	12	14	the	the	DET
ajst-30934	12	15	resultant	resultant	NOUN
ajst-30934	12	16	pressure	pressure	NOUN
ajst-30934	12	17	reduction	reduction	NOUN
ajst-30934	12	18	initiates	initiate	VERB
ajst-30934	12	19	methane	methane	NOUN
ajst-30934	12	20	desorption	desorption	NOUN
ajst-30934	12	21	from	from	ADP
ajst-30934	12	22	the	the	DET
ajst-30934	12	23	coal	coal	NOUN
ajst-30934	12	24	matrix	matrix	NOUN
ajst-30934	12	25	following	follow	VERB
ajst-30934	12	26	langmuir	langmuir	PROPN
ajst-30934	12	27	isotherm	isotherm	PROPN
ajst-30934	12	28	behavior	behavior	NOUN
ajst-30934	12	29	.	.	PUNCT
ajst-30934	13	1	this	this	DET
ajst-30934	13	2	technique	technique	NOUN
ajst-30934	13	3	demonstrates	demonstrate	VERB
ajst-30934	13	4	optimal	optimal	ADJ
ajst-30934	13	5	performance	performance	NOUN
ajst-30934	13	6	in	in	ADP
ajst-30934	13	7	coal	coal	NOUN
ajst-30934	13	8	reservoirs	reservoir	NOUN
ajst-30934	13	9	exhibiting	exhibit	VERB
ajst-30934	13	10	permeability	permeability	NOUN
ajst-30934	13	11	exceeding	exceed	VERB
ajst-30934	13	12	10	10	NUM
ajst-30934	13	13	md	md	NOUN
ajst-30934	13	14	,	,	PUNCT
ajst-30934	13	15	where	where	SCONJ
ajst-30934	13	16	the	the	DET
ajst-30934	13	17	natural	natural	ADJ
ajst-30934	13	18	fracture	fracture	NOUN
ajst-30934	13	19	network	network	NOUN
ajst-30934	13	20	(	(	PUNCT
ajst-30934	13	21	cleat	cleat	ADJ
ajst-30934	13	22	system	system	NOUN
ajst-30934	13	23	)	)	PUNCT
ajst-30934	13	24	facilitates	facilitate	VERB
ajst-30934	13	25	efficient	efficient	ADJ
ajst-30934	13	26	water	water	NOUN
ajst-30934	13	27	and	and	CCONJ
ajst-30934	13	28	gas	gas	NOUN
ajst-30934	13	29	flow	flow	NOUN
ajst-30934	13	30	.	.	PUNCT
ajst-30934	14	1	the	the	DET
ajst-30934	14	2	dewatering	dewatere	VERB
ajst-30934	14	3	phase	phase	NOUN
ajst-30934	14	4	typically	typically	ADV
ajst-30934	14	5	progresses	progress	VERB
ajst-30934	14	6	through	through	ADP
ajst-30934	14	7	three	three	NUM
ajst-30934	14	8	distinct	distinct	ADJ
ajst-30934	14	9	stages	stage	NOUN
ajst-30934	14	10	:	:	PUNCT
ajst-30934	14	11	initial	initial	ADJ
ajst-30934	14	12	water	water	NOUN
ajst-30934	14	13	-	-	PUNCT
ajst-30934	14	14	dominated	dominate	VERB
ajst-30934	14	15	production	production	NOUN
ajst-30934	14	16	period	period	NOUN
ajst-30934	14	17	(	(	PUNCT
ajst-30934	14	18	lasting	last	VERB
ajst-30934	14	19	3	3	NUM
ajst-30934	14	20	-	-	SYM
ajst-30934	14	21	24	24	NUM
ajst-30934	14	22	months	month	NOUN
ajst-30934	14	23	)	)	PUNCT
ajst-30934	14	24	transition	transition	NOUN
ajst-30934	14	25	phase	phase	NOUN
ajst-30934	14	26	with	with	ADP
ajst-30934	14	27	decreasing	decrease	VERB
ajst-30934	14	28	water	water	NOUN
ajst-30934	14	29	and	and	CCONJ
ajst-30934	14	30	increasing	increase	VERB
ajst-30934	14	31	gas	gas	NOUN
ajst-30934	14	32	production	production	NOUN
ajst-30934	14	33	stable	stable	ADJ
ajst-30934	14	34	gas	gas	NOUN
ajst-30934	14	35	production	production	NOUN
ajst-30934	14	36	period	period	NOUN
ajst-30934	14	37	that	that	PRON
ajst-30934	14	38	may	may	AUX
ajst-30934	14	39	continue	continue	VERB
ajst-30934	14	40	for	for	ADP
ajst-30934	14	41	5	5	NUM
ajst-30934	14	42	-	-	SYM
ajst-30934	14	43	15	15	NUM
ajst-30934	14	44	years	year	NOUN
ajst-30934	14	45	key	key	ADJ
ajst-30934	14	46	operational	operational	ADJ
ajst-30934	14	47	considerations	consideration	NOUN
ajst-30934	14	48	include	include	VERB
ajst-30934	14	49	:	:	PUNCT
ajst-30934	14	50	progressive	progressive	ADJ
ajst-30934	14	51	cavity	cavity	NOUN
ajst-30934	14	52	pumps	pump	NOUN
ajst-30934	14	53	are	be	AUX
ajst-30934	14	54	commonly	commonly	ADV
ajst-30934	14	55	employed	employ	VERB
ajst-30934	14	56	for	for	ADP
ajst-30934	14	57	their	their	PRON
ajst-30934	14	58	efficiency	efficiency	NOUN
ajst-30934	14	59	in	in	ADP
ajst-30934	14	60	handling	handle	VERB
ajst-30934	14	61	variable	variable	ADJ
ajst-30934	14	62	fluid	fluid	ADJ
ajst-30934	14	63	volumes	volume	NOUN
ajst-30934	14	64	water	water	NOUN
ajst-30934	14	65	production	production	NOUN
ajst-30934	14	66	rates	rate	NOUN
ajst-30934	14	67	may	may	AUX
ajst-30934	14	68	range	range	VERB
ajst-30934	14	69	from	from	ADP
ajst-30934	14	70	50	50	NUM
ajst-30934	14	71	to	to	PART
ajst-30934	14	72	1,500	1,500	NUM
ajst-30934	14	73	barrels	barrel	NOUN
ajst-30934	14	74	per	per	ADP
ajst-30934	14	75	day	day	NOUN
ajst-30934	14	76	depending	depend	VERB
ajst-30934	14	77	on	on	ADP
ajst-30934	14	78	reservoir	reservoir	PROPN
ajst-30934	14	79	characteristics	characteristics	PROPN
ajst-30934	14	80	total	total	ADJ
ajst-30934	14	81	water	water	NOUN
ajst-30934	14	82	production	production	NOUN
ajst-30934	14	83	over	over	ADP
ajst-30934	14	84	a	a	DET
ajst-30934	14	85	well	well	NOUN
ajst-30934	14	86	's	's	PART
ajst-30934	14	87	lifetime	lifetime	NOUN
ajst-30934	14	88	often	often	ADV
ajst-30934	14	89	reaches	reach	VERB
ajst-30934	14	90	5	5	NUM
ajst-30934	14	91	-	-	SYM
ajst-30934	14	92	20	20	NUM
ajst-30934	14	93	million	million	NUM
ajst-30934	14	94	gallons	gallon	NOUN
ajst-30934	14	95	the	the	DET
ajst-30934	14	96	powder	powder	NOUN
ajst-30934	14	97	river	river	NOUN
ajst-30934	14	98	basin	basin	NOUN
ajst-30934	14	99	(	(	PUNCT
ajst-30934	14	100	usa	usa	NOUN
ajst-30934	14	101	)	)	PUNCT
ajst-30934	14	102	exemplifies	exemplify	VERB
ajst-30934	14	103	successful	successful	ADJ
ajst-30934	14	104	dewatering	dewatering	NOUN
ajst-30934	14	105	application	application	NOUN
ajst-30934	14	106	,	,	PUNCT
ajst-30934	14	107	where	where	SCONJ
ajst-30934	14	108	shallow	shallow	ADJ
ajst-30934	14	109	coal	coal	NOUN
ajst-30934	14	110	seams	seam	NOUN
ajst-30934	14	111	(	(	PUNCT
ajst-30934	14	112	3001,000	3001,000	NUM
ajst-30934	14	113	m	m	NOUN
ajst-30934	14	114	depth	depth	NOUN
ajst-30934	14	115	)	)	PUNCT
ajst-30934	14	116	with	with	ADP
ajst-30934	14	117	high	high	ADJ
ajst-30934	14	118	permeability	permeability	NOUN
ajst-30934	14	119	(	(	PUNCT
ajst-30934	14	120	10	10	NUM
ajst-30934	14	121	-	-	SYM
ajst-30934	14	122	50	50	NUM
ajst-30934	14	123	md	md	NOUN
ajst-30934	14	124	)	)	PUNCT
ajst-30934	14	125	have	have	AUX
ajst-30934	14	126	supported	support	VERB
ajst-30934	14	127	economic	economic	ADJ
ajst-30934	14	128	production	production	NOUN
ajst-30934	14	129	with	with	ADP
ajst-30934	14	130	minimal	minimal	ADJ
ajst-30934	14	131	stimulation	stimulation	NOUN
ajst-30934	14	132	.	.	PUNCT
ajst-30934	15	1	however	however	ADV
ajst-30934	15	2	,	,	PUNCT
ajst-30934	15	3	produced	produce	VERB
ajst-30934	15	4	water	water	NOUN
ajst-30934	15	5	management	management	NOUN
ajst-30934	15	6	remains	remain	VERB
ajst-30934	15	7	a	a	DET
ajst-30934	15	8	significant	significant	ADJ
ajst-30934	15	9	challenge	challenge	NOUN
ajst-30934	15	10	,	,	PUNCT
ajst-30934	15	11	particularly	particularly	ADV
ajst-30934	15	12	in	in	ADP
ajst-30934	15	13	arid	arid	ADJ
ajst-30934	15	14	regions	region	NOUN
ajst-30934	15	15	where	where	SCONJ
ajst-30934	15	16	disposal	disposal	NOUN
ajst-30934	15	17	options	option	NOUN
ajst-30934	15	18	are	be	AUX
ajst-30934	15	19	limited	limited	ADJ
ajst-30934	15	20	and	and	CCONJ
ajst-30934	15	21	environmental	environmental	ADJ
ajst-30934	15	22	regulations	regulation	NOUN
ajst-30934	15	23	stringent	stringent	ADJ
ajst-30934	15	24	.	.	PUNCT
ajst-30934	16	1	2.2	2.2	NUM
ajst-30934	16	2	.	.	PUNCT
ajst-30934	16	3	hydraulic	hydraulic	ADJ
ajst-30934	16	4	fracturing	fracturing	NOUN
ajst-30934	16	5	(	(	PUNCT
ajst-30934	16	6	fracking	fracking	NOUN
ajst-30934	16	7	)	)	PUNCT
ajst-30934	16	8	hydraulic	hydraulic	NOUN
ajst-30934	16	9	fracturing	fracturing	NOUN
ajst-30934	16	10	has	have	AUX
ajst-30934	16	11	emerged	emerge	VERB
ajst-30934	16	12	as	as	ADP
ajst-30934	16	13	a	a	DET
ajst-30934	16	14	critical	critical	ADJ
ajst-30934	16	15	technology	technology	NOUN
ajst-30934	16	16	for	for	ADP
ajst-30934	16	17	developing	develop	VERB
ajst-30934	16	18	low	low	ADJ
ajst-30934	16	19	-	-	PUNCT
ajst-30934	16	20	permeability	permeability	NOUN
ajst-30934	16	21	coalbed	coalbe	VERB
ajst-30934	16	22	methane	methane	NOUN
ajst-30934	16	23	reservoirs	reservoir	NOUN
ajst-30934	16	24	,	,	PUNCT
ajst-30934	16	25	particularly	particularly	ADV
ajst-30934	16	26	those	those	PRON
ajst-30934	16	27	with	with	ADP
ajst-30934	16	28	permeabilities	permeability	NOUN
ajst-30934	16	29	below	below	ADP
ajst-30934	16	30	1	1	NUM
ajst-30934	16	31	millidarcy	millidarcy	NOUN
ajst-30934	16	32	and	and	CCONJ
ajst-30934	16	33	at	at	ADP
ajst-30934	16	34	depths	depth	NOUN
ajst-30934	16	35	exceeding	exceed	VERB
ajst-30934	16	36	1,000	1,000	NUM
ajst-30934	16	37	meters	meter	NOUN
ajst-30934	16	38	where	where	SCONJ
ajst-30934	16	39	natural	natural	ADJ
ajst-30934	16	40	fracture	fracture	NOUN
ajst-30934	16	41	networks	network	NOUN
ajst-30934	16	42	are	be	AUX
ajst-30934	16	43	insufficient	insufficient	ADJ
ajst-30934	16	44	for	for	ADP
ajst-30934	16	45	economic	economic	ADJ
ajst-30934	16	46	gas	gas	NOUN
ajst-30934	16	47	production	production	NOUN
ajst-30934	16	48	.	.	PUNCT
ajst-30934	17	1	the	the	DET
ajst-30934	17	2	technique	technique	NOUN
ajst-30934	17	3	relies	rely	VERB
ajst-30934	17	4	on	on	ADP
ajst-30934	17	5	injecting	inject	VERB
ajst-30934	17	6	specially	specially	ADV
ajst-30934	17	7	engineered	engineer	VERB
ajst-30934	17	8	fluids	fluid	NOUN
ajst-30934	17	9	at	at	ADP
ajst-30934	17	10	pressures	pressure	NOUN
ajst-30934	17	11	that	that	PRON
ajst-30934	17	12	exceed	exceed	VERB
ajst-30934	17	13	the	the	DET
ajst-30934	17	14	formation	formation	NOUN
ajst-30934	17	15	's	's	PART
ajst-30934	17	16	fracture	fracture	NOUN
ajst-30934	17	17	gradient	gradient	NOUN
ajst-30934	17	18	,	,	PUNCT
ajst-30934	17	19	typically	typically	ADV
ajst-30934	17	20	ranging	range	VERB
ajst-30934	17	21	between	between	ADP
ajst-30934	17	22	0.7	0.7	NUM
ajst-30934	17	23	to	to	PART
ajst-30934	17	24	1.2	1.2	NUM
ajst-30934	17	25	pounds	pound	NOUN
ajst-30934	17	26	per	per	ADP
ajst-30934	17	27	square	square	ADJ
ajst-30934	17	28	inch	inch	NOUN
ajst-30934	17	29	per	per	ADP
ajst-30934	17	30	foot	foot	NOUN
ajst-30934	17	31	,	,	PUNCT
ajst-30934	17	32	to	to	PART
ajst-30934	17	33	create	create	VERB
ajst-30934	17	34	and	and	CCONJ
ajst-30934	17	35	propagate	propagate	VERB
ajst-30934	17	36	fractures	fracture	NOUN
ajst-30934	17	37	through	through	ADP
ajst-30934	17	38	the	the	DET
ajst-30934	17	39	coal	coal	NOUN
ajst-30934	17	40	matrix	matrix	NOUN
ajst-30934	17	41	that	that	PRON
ajst-30934	17	42	serve	serve	VERB
ajst-30934	17	43	as	as	ADP
ajst-30934	17	44	conductive	conductive	ADJ
ajst-30934	17	45	pathways	pathway	NOUN
ajst-30934	17	46	for	for	ADP
ajst-30934	17	47	gas	gas	NOUN
ajst-30934	17	48	flow	flow	NOUN
ajst-30934	17	49	.	.	PUNCT
ajst-30934	18	1	modern	modern	ADJ
ajst-30934	18	2	coalbed	coalbe	VERB
ajst-30934	18	3	methane	methane	NOUN
ajst-30934	18	4	fracturing	fracturing	NOUN
ajst-30934	18	5	operations	operation	NOUN
ajst-30934	18	6	employ	employ	VERB
ajst-30934	18	7	slickwater	slickwater	NOUN
ajst-30934	18	8	fluid	fluid	NOUN
ajst-30934	18	9	systems	system	NOUN
ajst-30934	18	10	composed	compose	VERB
ajst-30934	18	11	of	of	ADP
ajst-30934	18	12	98	98	NUM
ajst-30934	18	13	-	-	SYM
ajst-30934	18	14	99.5	99.5	NUM
ajst-30934	18	15	%	%	NOUN
ajst-30934	18	16	water	water	NOUN
ajst-30934	18	17	with	with	ADP
ajst-30934	18	18	0.5	0.5	NUM
ajst-30934	18	19	-	-	SYM
ajst-30934	18	20	2	2	NUM
ajst-30934	18	21	%	%	NOUN
ajst-30934	18	22	chemical	chemical	NOUN
ajst-30934	18	23	additives	additive	NOUN
ajst-30934	18	24	designed	design	VERB
ajst-30934	18	25	to	to	PART
ajst-30934	18	26	reduce	reduce	VERB
ajst-30934	18	27	friction	friction	NOUN
ajst-30934	18	28	and	and	CCONJ
ajst-30934	18	29	improve	improve	VERB
ajst-30934	18	30	proppant	proppant	NOUN
ajst-30934	18	31	transport	transport	NOUN
ajst-30934	18	32	.	.	PUNCT
ajst-30934	19	1	these	these	DET
ajst-30934	19	2	fluids	fluid	NOUN
ajst-30934	19	3	carry	carry	VERB
ajst-30934	19	4	carefully	carefully	ADV
ajst-30934	19	5	sized	sized	ADJ
ajst-30934	19	6	proppants	proppant	NOUN
ajst-30934	19	7	,	,	PUNCT
ajst-30934	19	8	typically	typically	ADV
ajst-30934	19	9	20/40	20/40	NUM
ajst-30934	19	10	or	or	CCONJ
ajst-30934	19	11	40/70	40/70	NUM
ajst-30934	19	12	mesh	mesh	NOUN
ajst-30934	19	13	sand	sand	NOUN
ajst-30934	19	14	,	,	PUNCT
ajst-30934	19	15	at	at	ADP
ajst-30934	19	16	concentrations	concentration	NOUN
ajst-30934	19	17	ranging	range	VERB
ajst-30934	19	18	from	from	ADP
ajst-30934	19	19	0.5	0.5	NUM
ajst-30934	19	20	to	to	PART
ajst-30934	19	21	2	2	NUM
ajst-30934	19	22	pounds	pound	NOUN
ajst-30934	19	23	per	per	ADP
ajst-30934	19	24	gallon	gallon	NOUN
ajst-30934	19	25	to	to	PART
ajst-30934	19	26	maintain	maintain	VERB
ajst-30934	19	27	fracture	fracture	NOUN
ajst-30934	19	28	conductivity	conductivity	NOUN
ajst-30934	19	29	after	after	ADP
ajst-30934	19	30	pressure	pressure	NOUN
ajst-30934	19	31	release	release	NOUN
ajst-30934	19	32	.	.	PUNCT
ajst-30934	20	1	injection	injection	NOUN
ajst-30934	20	2	rates	rate	NOUN
ajst-30934	20	3	vary	vary	VERB
ajst-30934	20	4	from	from	ADP
ajst-30934	20	5	20	20	NUM
ajst-30934	20	6	to	to	PART
ajst-30934	20	7	60	60	NUM
ajst-30934	20	8	barrels	barrel	NOUN
ajst-30934	20	9	per	per	ADP
ajst-30934	20	10	minute	minute	NOUN
ajst-30934	20	11	for	for	ADP
ajst-30934	20	12	vertical	vertical	ADJ
ajst-30934	20	13	wells	well	NOUN
ajst-30934	20	14	,	,	PUNCT
ajst-30934	20	15	with	with	ADP
ajst-30934	20	16	higher	high	ADJ
ajst-30934	20	17	rates	rate	NOUN
ajst-30934	20	18	employed	employ	VERB
ajst-30934	20	19	in	in	ADP
ajst-30934	20	20	horizontal	horizontal	ADJ
ajst-30934	20	21	well	well	NOUN
ajst-30934	20	22	applications	application	NOUN
ajst-30934	20	23	to	to	PART
ajst-30934	20	24	achieve	achieve	VERB
ajst-30934	20	25	optimal	optimal	ADJ
ajst-30934	20	26	fracture	fracture	NOUN
ajst-30934	20	27	networks	network	NOUN
ajst-30934	20	28	.	.	PUNCT
ajst-30934	21	1	the	the	DET
ajst-30934	21	2	industry	industry	NOUN
ajst-30934	21	3	has	have	AUX
ajst-30934	21	4	seen	see	VERB
ajst-30934	21	5	significant	significant	ADJ
ajst-30934	21	6	technological	technological	ADJ
ajst-30934	21	7	advancements	advancement	NOUN
ajst-30934	21	8	in	in	ADP
ajst-30934	21	9	hydraulic	hydraulic	ADJ
ajst-30934	21	10	fracturing	fracturing	NOUN
ajst-30934	21	11	techniques	technique	NOUN
ajst-30934	21	12	for	for	ADP
ajst-30934	21	13	coalbed	coalbe	VERB
ajst-30934	21	14	methane	methane	NOUN
ajst-30934	21	15	development	development	NOUN
ajst-30934	21	16	.	.	PUNCT
ajst-30934	22	1	channel	channel	PROPN
ajst-30934	22	2	fracturing	fracturing	NOUN
ajst-30934	22	3	technology	technology	NOUN
ajst-30934	22	4	has	have	AUX
ajst-30934	22	5	been	be	AUX
ajst-30934	22	6	successfully	successfully	ADV
ajst-30934	22	7	implemented	implement	VERB
ajst-30934	22	8	to	to	PART
ajst-30934	22	9	create	create	VERB
ajst-30934	22	10	stable	stable	ADJ
ajst-30934	22	11	,	,	PUNCT
ajst-30934	22	12	open	open	ADJ
ajst-30934	22	13	flow	flow	NOUN
ajst-30934	22	14	channels	channel	NOUN
ajst-30934	22	15	within	within	ADP
ajst-30934	22	16	the	the	DET
ajst-30934	22	17	proppant	proppant	ADJ
ajst-30934	22	18	pack	pack	NOUN
ajst-30934	22	19	,	,	PUNCT
ajst-30934	22	20	dramatically	dramatically	ADV
ajst-30934	22	21	improving	improve	VERB
ajst-30934	22	22	conductivity	conductivity	NOUN
ajst-30934	22	23	compared	compare	VERB
ajst-30934	22	24	to	to	ADP
ajst-30934	22	25	conventional	conventional	ADJ
ajst-30934	22	26	methods	method	NOUN
ajst-30934	22	27	.	.	PUNCT
ajst-30934	23	1	the	the	DET
ajst-30934	23	2	development	development	NOUN
ajst-30934	23	3	of	of	ADP
ajst-30934	23	4	ultra	ultra	ADJ
ajst-30934	23	5	-	-	ADJ
ajst-30934	23	6	lightweight	lightweight	ADJ
ajst-30934	23	7	proppants	proppant	NOUN
ajst-30934	23	8	has	have	AUX
ajst-30934	23	9	enabled	enable	VERB
ajst-30934	23	10	better	well	ADJ
ajst-30934	23	11	placement	placement	NOUN
ajst-30934	23	12	in	in	ADP
ajst-30934	23	13	complex	complex	ADJ
ajst-30934	23	14	fracture	fracture	NOUN
ajst-30934	23	15	networks	network	NOUN
ajst-30934	23	16	,	,	PUNCT
ajst-30934	23	17	while	while	SCONJ
ajst-30934	23	18	microseismic	microseismic	ADJ
ajst-30934	23	19	monitoring	monitoring	NOUN
ajst-30934	23	20	technologies	technology	NOUN
ajst-30934	23	21	now	now	ADV
ajst-30934	23	22	allow	allow	VERB
ajst-30934	23	23	operators	operator	NOUN
ajst-30934	23	24	to	to	PART
ajst-30934	23	25	visualize	visualize	VERB
ajst-30934	23	26	and	and	CCONJ
ajst-30934	23	27	optimize	optimize	VERB
ajst-30934	23	28	fracture	fracture	NOUN
ajst-30934	23	29	geometry	geometry	NOUN
ajst-30934	23	30	in	in	ADP
ajst-30934	23	31	real	real	ADJ
ajst-30934	23	32	-	-	PUNCT
ajst-30934	23	33	time	time	NOUN
ajst-30934	23	34	,	,	PUNCT
ajst-30934	23	35	leading	lead	VERB
ajst-30934	23	36	to	to	ADP
ajst-30934	23	37	more	more	ADV
ajst-30934	23	38	efficient	efficient	ADJ
ajst-30934	23	39	reservoir	reservoir	NOUN
ajst-30934	23	40	stimulation	stimulation	NOUN
ajst-30934	23	41	.	.	PUNCT
ajst-30934	24	1	the	the	DET
ajst-30934	24	2	bowen	bowen	PROPN
ajst-30934	24	3	basin	basin	PROPN
ajst-30934	24	4	in	in	ADP
ajst-30934	24	5	australia	australia	PROPN
ajst-30934	24	6	stands	stand	VERB
ajst-30934	24	7	as	as	ADP
ajst-30934	24	8	a	a	DET
ajst-30934	24	9	prominent	prominent	ADJ
ajst-30934	24	10	example	example	NOUN
ajst-30934	24	11	of	of	ADP
ajst-30934	24	12	successful	successful	ADJ
ajst-30934	24	13	hydraulic	hydraulic	ADJ
ajst-30934	24	14	fracturing	fracturing	NOUN
ajst-30934	24	15	application	application	NOUN
ajst-30934	24	16	in	in	ADP
ajst-30934	24	17	coalbed	coalbe	VERB
ajst-30934	24	18	methane	methane	NOUN
ajst-30934	24	19	development	development	NOUN
ajst-30934	24	20	,	,	PUNCT
ajst-30934	24	21	where	where	SCONJ
ajst-30934	24	22	the	the	DET
ajst-30934	24	23	technology	technology	NOUN
ajst-30934	24	24	has	have	AUX
ajst-30934	24	25	demonstrated	demonstrate	VERB
ajst-30934	24	26	the	the	DET
ajst-30934	24	27	ability	ability	NOUN
ajst-30934	24	28	to	to	PART
ajst-30934	24	29	increase	increase	VERB
ajst-30934	24	30	production	production	NOUN
ajst-30934	24	31	rates	rate	NOUN
ajst-30934	24	32	by	by	ADP
ajst-30934	24	33	three	three	NUM
ajst-30934	24	34	to	to	PART
ajst-30934	24	35	five	five	NUM
ajst-30934	24	36	times	time	NOUN
ajst-30934	24	37	compared	compare	VERB
ajst-30934	24	38	to	to	ADP
ajst-30934	24	39	unstimulated	unstimulated	ADJ
ajst-30934	24	40	wells	well	NOUN
ajst-30934	24	41	.	.	PUNCT
ajst-30934	25	1	this	this	DET
ajst-30934	25	2	basin	basin	NOUN
ajst-30934	25	3	's	's	PART
ajst-30934	25	4	success	success	NOUN
ajst-30934	25	5	has	have	AUX
ajst-30934	25	6	been	be	AUX
ajst-30934	25	7	achieved	achieve	VERB
ajst-30934	25	8	through	through	ADP
ajst-30934	25	9	careful	careful	ADJ
ajst-30934	25	10	optimization	optimization	NOUN
ajst-30934	25	11	of	of	ADP
ajst-30934	25	12	250	250	NUM
ajst-30934	25	13	fracture	fracture	NOUN
ajst-30934	25	14	designs	design	NOUN
ajst-30934	25	15	tailored	tailor	VERB
ajst-30934	25	16	to	to	ADP
ajst-30934	25	17	the	the	DET
ajst-30934	25	18	specific	specific	ADJ
ajst-30934	25	19	coal	coal	NOUN
ajst-30934	25	20	characteristics	characteristic	NOUN
ajst-30934	25	21	,	,	PUNCT
ajst-30934	25	22	including	include	VERB
ajst-30934	25	23	appropriate	appropriate	ADJ
ajst-30934	25	24	fluid	fluid	ADJ
ajst-30934	25	25	selection	selection	NOUN
ajst-30934	25	26	,	,	PUNCT
ajst-30934	25	27	proppant	proppant	NOUN
ajst-30934	25	28	scheduling	scheduling	NOUN
ajst-30934	25	29	,	,	PUNCT
ajst-30934	25	30	and	and	CCONJ
ajst-30934	25	31	injection	injection	NOUN
ajst-30934	25	32	parameter	parameter	NOUN
ajst-30934	25	33	optimization	optimization	NOUN
ajst-30934	25	34	.	.	PUNCT
ajst-30934	26	1	despite	despite	SCONJ
ajst-30934	26	2	its	its	PRON
ajst-30934	26	3	technical	technical	ADJ
ajst-30934	26	4	successes	success	NOUN
ajst-30934	26	5	,	,	PUNCT
ajst-30934	26	6	hydraulic	hydraulic	ADJ
ajst-30934	26	7	fracturing	fracturing	NOUN
ajst-30934	26	8	in	in	ADP
ajst-30934	26	9	coalbed	coalbe	VERB
ajst-30934	26	10	methane	methane	NOUN
ajst-30934	26	11	operations	operation	NOUN
ajst-30934	26	12	continues	continue	VERB
ajst-30934	26	13	to	to	PART
ajst-30934	26	14	face	face	VERB
ajst-30934	26	15	environmental	environmental	ADJ
ajst-30934	26	16	concerns	concern	NOUN
ajst-30934	26	17	that	that	PRON
ajst-30934	26	18	require	require	VERB
ajst-30934	26	19	careful	careful	ADJ
ajst-30934	26	20	management	management	NOUN
ajst-30934	26	21	.	.	PUNCT
ajst-30934	27	1	the	the	DET
ajst-30934	27	2	potential	potential	NOUN
ajst-30934	27	3	for	for	ADP
ajst-30934	27	4	aquifer	aquifer	NOUN
ajst-30934	27	5	contamination	contamination	NOUN
ajst-30934	27	6	remains	remain	VERB
ajst-30934	27	7	a	a	DET
ajst-30934	27	8	significant	significant	ADJ
ajst-30934	27	9	consideration	consideration	NOUN
ajst-30934	27	10	,	,	PUNCT
ajst-30934	27	11	particularly	particularly	ADV
ajst-30934	27	12	regarding	regard	VERB
ajst-30934	27	13	the	the	DET
ajst-30934	27	14	vertical	vertical	ADJ
ajst-30934	27	15	propagation	propagation	NOUN
ajst-30934	27	16	of	of	ADP
ajst-30934	27	17	fractures	fracture	NOUN
ajst-30934	27	18	into	into	ADP
ajst-30934	27	19	overlying	overlie	VERB
ajst-30934	27	20	water	water	NOUN
ajst-30934	27	21	-	-	PUNCT
ajst-30934	27	22	bearing	bear	VERB
ajst-30934	27	23	formations	formation	NOUN
ajst-30934	27	24	and	and	CCONJ
ajst-30934	27	25	the	the	DET
ajst-30934	27	26	chemical	chemical	NOUN
ajst-30934	27	27	composition	composition	NOUN
ajst-30934	27	28	of	of	ADP
ajst-30934	27	29	fracturing	fracturing	NOUN
ajst-30934	27	30	fluids	fluid	NOUN
ajst-30934	27	31	.	.	PUNCT
ajst-30934	28	1	induced	induce	VERB
ajst-30934	28	2	seismicity	seismicity	NOUN
ajst-30934	28	3	,	,	PUNCT
ajst-30934	28	4	while	while	SCONJ
ajst-30934	28	5	typically	typically	ADV
ajst-30934	28	6	limited	limit	VERB
ajst-30934	28	7	to	to	ADP
ajst-30934	28	8	magnitudes	magnitude	NOUN
ajst-30934	28	9	below	below	ADP
ajst-30934	28	10	3.0	3.0	NUM
ajst-30934	28	11	on	on	ADP
ajst-30934	28	12	the	the	DET
ajst-30934	28	13	richter	richter	NOUN
ajst-30934	28	14	scale	scale	NOUN
ajst-30934	28	15	,	,	PUNCT
ajst-30934	28	16	has	have	AUX
ajst-30934	28	17	been	be	AUX
ajst-30934	28	18	documented	document	VERB
ajst-30934	28	19	in	in	ADP
ajst-30934	28	20	some	some	DET
ajst-30934	28	21	operations	operation	NOUN
ajst-30934	28	22	and	and	CCONJ
ajst-30934	28	23	requires	require	VERB
ajst-30934	28	24	monitoring	monitor	VERB
ajst-30934	28	25	.	.	PUNCT
ajst-30934	29	1	additionally	additionally	ADV
ajst-30934	29	2	,	,	PUNCT
ajst-30934	29	3	issues	issue	NOUN
ajst-30934	29	4	surrounding	surround	VERB
ajst-30934	29	5	full	full	ADJ
ajst-30934	29	6	chemical	chemical	NOUN
ajst-30934	29	7	disclosure	disclosure	NOUN
ajst-30934	29	8	and	and	CCONJ
ajst-30934	29	9	the	the	DET
ajst-30934	29	10	sourcing	sourcing	NOUN
ajst-30934	29	11	of	of	ADP
ajst-30934	29	12	large	large	ADJ
ajst-30934	29	13	water	water	NOUN
ajst-30934	29	14	volumes	volume	NOUN
ajst-30934	29	15	needed	need	VERB
ajst-30934	29	16	for	for	ADP
ajst-30934	29	17	fracturing	fracturing	NOUN
ajst-30934	29	18	operations	operation	NOUN
ajst-30934	29	19	continue	continue	VERB
ajst-30934	29	20	to	to	PART
ajst-30934	29	21	be	be	AUX
ajst-30934	29	22	subjects	subject	NOUN
ajst-30934	29	23	of	of	ADP
ajst-30934	29	24	regulatory	regulatory	ADJ
ajst-30934	29	25	and	and	CCONJ
ajst-30934	29	26	public	public	ADJ
ajst-30934	29	27	scrutiny	scrutiny	NOUN
ajst-30934	29	28	,	,	PUNCT
ajst-30934	29	29	driving	drive	VERB
ajst-30934	29	30	the	the	DET
ajst-30934	29	31	industry	industry	NOUN
ajst-30934	29	32	toward	toward	ADP
ajst-30934	29	33	more	more	ADV
ajst-30934	29	34	transparent	transparent	ADJ
ajst-30934	29	35	and	and	CCONJ
ajst-30934	29	36	sustainable	sustainable	ADJ
ajst-30934	29	37	practices	practice	NOUN
ajst-30934	29	38	.	.	PUNCT
ajst-30934	30	1	2.3	2.3	NUM
ajst-30934	30	2	.	.	PUNCT
ajst-30934	30	3	enhanced	enhance	VERB
ajst-30934	30	4	coalbed	coalbe	VERB
ajst-30934	30	5	methane	methane	NOUN
ajst-30934	30	6	recovery	recovery	NOUN
ajst-30934	30	7	(	(	PUNCT
ajst-30934	30	8	ecbm	ecbm	ADJ
ajst-30934	30	9	)	)	PUNCT
ajst-30934	30	10	enhanced	enhance	VERB
ajst-30934	30	11	coalbed	coalbe	VERB
ajst-30934	30	12	methane	methane	NOUN
ajst-30934	30	13	recovery	recovery	NOUN
ajst-30934	30	14	(	(	PUNCT
ajst-30934	30	15	ecbm	ecbm	ADJ
ajst-30934	30	16	)	)	PUNCT
ajst-30934	30	17	represents	represent	VERB
ajst-30934	30	18	a	a	DET
ajst-30934	30	19	cutting	cut	VERB
ajst-30934	30	20	-	-	PUNCT
ajst-30934	30	21	edge	edge	NOUN
ajst-30934	30	22	approach	approach	NOUN
ajst-30934	30	23	that	that	PRON
ajst-30934	30	24	synergizes	synergize	VERB
ajst-30934	30	25	methane	methane	NOUN
ajst-30934	30	26	production	production	NOUN
ajst-30934	30	27	with	with	ADP
ajst-30934	30	28	greenhouse	greenhouse	NOUN
ajst-30934	30	29	gas	gas	NOUN
ajst-30934	30	30	mitigation	mitigation	NOUN
ajst-30934	30	31	through	through	ADP
ajst-30934	30	32	underground	underground	ADJ
ajst-30934	30	33	carbon	carbon	NOUN
ajst-30934	30	34	storage	storage	NOUN
ajst-30934	30	35	.	.	PUNCT
ajst-30934	31	1	this	this	DET
ajst-30934	31	2	innovative	innovative	ADJ
ajst-30934	31	3	technique	technique	NOUN
ajst-30934	31	4	capitalizes	capitalize	VERB
ajst-30934	31	5	on	on	ADP
ajst-30934	31	6	the	the	DET
ajst-30934	31	7	principle	principle	NOUN
ajst-30934	31	8	of	of	ADP
ajst-30934	31	9	competitive	competitive	ADJ
ajst-30934	31	10	adsorption	adsorption	NOUN
ajst-30934	31	11	,	,	PUNCT
ajst-30934	31	12	where	where	SCONJ
ajst-30934	31	13	injected	inject	VERB
ajst-30934	31	14	gases	gas	NOUN
ajst-30934	31	15	such	such	ADJ
ajst-30934	31	16	as	as	ADP
ajst-30934	31	17	carbon	carbon	NOUN
ajst-30934	31	18	dioxide	dioxide	NOUN
ajst-30934	31	19	or	or	CCONJ
ajst-30934	31	20	nitrogen	nitrogen	NOUN
ajst-30934	31	21	preferentially	preferentially	ADV
ajst-30934	31	22	displace	displace	VERB
ajst-30934	31	23	methane	methane	NOUN
ajst-30934	31	24	molecules	molecule	NOUN
ajst-30934	31	25	adsorbed	adsorb	VERB
ajst-30934	31	26	within	within	ADP
ajst-30934	31	27	the	the	DET
ajst-30934	31	28	coal	coal	NOUN
ajst-30934	31	29	matrix	matrix	NOUN
ajst-30934	31	30	.	.	PUNCT
ajst-30934	32	1	the	the	DET
ajst-30934	32	2	process	process	NOUN
ajst-30934	32	3	offers	offer	VERB
ajst-30934	32	4	dual	dual	ADJ
ajst-30934	32	5	environmental	environmental	ADJ
ajst-30934	32	6	benefits	benefit	NOUN
ajst-30934	32	7	by	by	ADP
ajst-30934	32	8	increasing	increase	VERB
ajst-30934	32	9	methane	methane	NOUN
ajst-30934	32	10	recovery	recovery	NOUN
ajst-30934	32	11	rates	rate	NOUN
ajst-30934	32	12	while	while	SCONJ
ajst-30934	32	13	simultaneously	simultaneously	ADV
ajst-30934	32	14	sequestering	sequester	VERB
ajst-30934	32	15	greenhouse	greenhouse	NOUN
ajst-30934	32	16	gases	gas	NOUN
ajst-30934	32	17	underground	underground	ADV
ajst-30934	32	18	.	.	PUNCT
ajst-30934	33	1	carbon	carbon	NOUN
ajst-30934	33	2	dioxide	dioxide	NOUN
ajst-30934	33	3	proves	prove	VERB
ajst-30934	33	4	particularly	particularly	ADV
ajst-30934	33	5	effective	effective	ADJ
ajst-30934	33	6	for	for	ADP
ajst-30934	33	7	this	this	DET
ajst-30934	33	8	purpose	purpose	NOUN
ajst-30934	33	9	due	due	ADP
ajst-30934	33	10	to	to	ADP
ajst-30934	33	11	its	its	PRON
ajst-30934	33	12	significantly	significantly	ADV
ajst-30934	33	13	higher	high	ADJ
ajst-30934	33	14	adsorption	adsorption	NOUN
ajst-30934	33	15	affinity	affinity	NOUN
ajst-30934	33	16	typically	typically	ADV
ajst-30934	33	17	two	two	NUM
ajst-30934	33	18	to	to	PART
ajst-30934	33	19	three	three	NUM
ajst-30934	33	20	times	time	NOUN
ajst-30934	33	21	greater	great	ADJ
ajst-30934	33	22	than	than	ADP
ajst-30934	33	23	methane	methane	NOUN
ajst-30934	33	24	in	in	ADP
ajst-30934	33	25	most	most	ADJ
ajst-30934	33	26	coal	coal	NOUN
ajst-30934	33	27	formations	formation	NOUN
ajst-30934	33	28	.	.	PUNCT
ajst-30934	34	1	nitrogen	nitrogen	NOUN
ajst-30934	34	2	injection	injection	NOUN
ajst-30934	34	3	,	,	PUNCT
ajst-30934	34	4	while	while	SCONJ
ajst-30934	34	5	less	less	ADV
ajst-30934	34	6	effective	effective	ADJ
ajst-30934	34	7	at	at	ADP
ajst-30934	34	8	permanent	permanent	ADJ
ajst-30934	34	9	storage	storage	NOUN
ajst-30934	34	10	,	,	PUNCT
ajst-30934	34	11	creates	create	VERB
ajst-30934	34	12	favorable	favorable	ADJ
ajst-30934	34	13	pressure	pressure	NOUN
ajst-30934	34	14	conditions	condition	NOUN
ajst-30934	34	15	that	that	PRON
ajst-30934	34	16	enhance	enhance	VERB
ajst-30934	34	17	methane	methane	NOUN
ajst-30934	34	18	desorption	desorption	NOUN
ajst-30934	34	19	and	and	CCONJ
ajst-30934	34	20	recovery	recovery	NOUN
ajst-30934	34	21	.	.	PUNCT
ajst-30934	35	1	several	several	ADJ
ajst-30934	35	2	pioneering	pioneering	ADJ
ajst-30934	35	3	ecbm	ecbm	NOUN
ajst-30934	35	4	projects	project	NOUN
ajst-30934	35	5	worldwide	worldwide	ADV
ajst-30934	35	6	demonstrate	demonstrate	VERB
ajst-30934	35	7	the	the	DET
ajst-30934	35	8	technology	technology	NOUN
ajst-30934	35	9	's	's	PART
ajst-30934	35	10	practical	practical	ADJ
ajst-30934	35	11	application	application	NOUN
ajst-30934	35	12	and	and	CCONJ
ajst-30934	35	13	potential	potential	NOUN
ajst-30934	35	14	.	.	PUNCT
ajst-30934	36	1	the	the	DET
ajst-30934	36	2	allison	allison	PROPN
ajst-30934	36	3	unit	unit	PROPN
ajst-30934	36	4	in	in	ADP
ajst-30934	36	5	colorado	colorado	PROPN
ajst-30934	36	6	's	's	PART
ajst-30934	36	7	san	san	PROPN
ajst-30934	36	8	juan	juan	PROPN
ajst-30934	36	9	basin	basin	PROPN
ajst-30934	36	10	holds	hold	VERB
ajst-30934	36	11	distinction	distinction	NOUN
ajst-30934	36	12	as	as	ADP
ajst-30934	36	13	the	the	DET
ajst-30934	36	14	world	world	NOUN
ajst-30934	36	15	's	's	PART
ajst-30934	36	16	first	first	ADJ
ajst-30934	36	17	commercial	commercial	ADJ
ajst-30934	36	18	-	-	PUNCT
ajst-30934	36	19	scale	scale	NOUN
ajst-30934	36	20	co₂-ecbm	co₂-ecbm	NUM
ajst-30934	36	21	operation	operation	NOUN
ajst-30934	36	22	,	,	PUNCT
ajst-30934	36	23	providing	provide	VERB
ajst-30934	36	24	valuable	valuable	ADJ
ajst-30934	36	25	insights	insight	NOUN
ajst-30934	36	26	into	into	ADP
ajst-30934	36	27	long	long	ADJ
ajst-30934	36	28	-	-	PUNCT
ajst-30934	36	29	term	term	NOUN
ajst-30934	36	30	performance	performance	NOUN
ajst-30934	36	31	.	.	PUNCT
ajst-30934	37	1	china	china	PROPN
ajst-30934	37	2	has	have	AUX
ajst-30934	37	3	emerged	emerge	VERB
ajst-30934	37	4	as	as	ADP
ajst-30934	37	5	a	a	DET
ajst-30934	37	6	leader	leader	NOUN
ajst-30934	37	7	in	in	ADP
ajst-30934	37	8	ecbm	ecbm	PROPN
ajst-30934	37	9	development	development	PROPN
ajst-30934	37	10	through	through	ADP
ajst-30934	37	11	comprehensive	comprehensive	ADJ
ajst-30934	37	12	projects	project	NOUN
ajst-30934	37	13	in	in	ADP
ajst-30934	37	14	the	the	DET
ajst-30934	37	15	qinshui	qinshui	NOUN
ajst-30934	37	16	basin	basin	NOUN
ajst-30934	37	17	that	that	PRON
ajst-30934	37	18	employ	employ	VERB
ajst-30934	37	19	both	both	PRON
ajst-30934	37	20	co₂	co₂	NOUN
ajst-30934	37	21	and	and	CCONJ
ajst-30934	37	22	n₂	n₂	NOUN
ajst-30934	37	23	injection	injection	NOUN
ajst-30934	37	24	strategies	strategy	NOUN
ajst-30934	37	25	.	.	PUNCT
ajst-30934	38	1	meanwhile	meanwhile	ADV
ajst-30934	38	2	,	,	PUNCT
ajst-30934	38	3	research	research	NOUN
ajst-30934	38	4	initiatives	initiative	NOUN
ajst-30934	38	5	in	in	ADP
ajst-30934	38	6	poland	poland	PROPN
ajst-30934	38	7	's	's	PART
ajst-30934	38	8	upper	upper	ADJ
ajst-30934	38	9	silesian	silesian	ADJ
ajst-30934	38	10	basin	basin	NOUN
ajst-30934	38	11	continue	continue	VERB
ajst-30934	38	12	to	to	PART
ajst-30934	38	13	expand	expand	VERB
ajst-30934	38	14	the	the	DET
ajst-30934	38	15	technology	technology	NOUN
ajst-30934	38	16	's	's	PART
ajst-30934	38	17	geographic	geographic	ADJ
ajst-30934	38	18	applicability	applicability	NOUN
ajst-30934	38	19	through	through	ADP
ajst-30934	38	20	carefully	carefully	ADV
ajst-30934	38	21	monitored	monitor	VERB
ajst-30934	38	22	pilot	pilot	NOUN
ajst-30934	38	23	tests	test	NOUN
ajst-30934	38	24	.	.	PUNCT
ajst-30934	39	1	successful	successful	ADJ
ajst-30934	39	2	ecbm	ecbm	ADJ
ajst-30934	39	3	implementation	implementation	NOUN
ajst-30934	39	4	requires	require	VERB
ajst-30934	39	5	careful	careful	ADJ
ajst-30934	39	6	consideration	consideration	NOUN
ajst-30934	39	7	of	of	ADP
ajst-30934	39	8	several	several	ADJ
ajst-30934	39	9	technical	technical	ADJ
ajst-30934	39	10	factors	factor	NOUN
ajst-30934	39	11	.	.	PUNCT
ajst-30934	40	1	carbon	carbon	NOUN
ajst-30934	40	2	dioxide	dioxide	NOUN
ajst-30934	40	3	injection	injection	NOUN
ajst-30934	40	4	demands	demand	VERB
ajst-30934	40	5	precise	precise	ADJ
ajst-30934	40	6	monitoring	monitoring	NOUN
ajst-30934	40	7	as	as	SCONJ
ajst-30934	40	8	the	the	DET
ajst-30934	40	9	gas	gas	NOUN
ajst-30934	40	10	can	can	AUX
ajst-30934	40	11	induce	induce	VERB
ajst-30934	40	12	coal	coal	NOUN
ajst-30934	40	13	swelling	swelling	NOUN
ajst-30934	40	14	that	that	PRON
ajst-30934	40	15	may	may	AUX
ajst-30934	40	16	reduce	reduce	VERB
ajst-30934	40	17	permeability	permeability	NOUN
ajst-30934	40	18	,	,	PUNCT
ajst-30934	40	19	while	while	SCONJ
ajst-30934	40	20	nitrogen	nitrogen	NOUN
ajst-30934	40	21	injection	injection	NOUN
ajst-30934	40	22	presents	present	VERB
ajst-30934	40	23	trade	trade	NOUN
ajst-30934	40	24	-	-	PUNCT
ajst-30934	40	25	offs	off	NOUN
ajst-30934	40	26	between	between	ADP
ajst-30934	40	27	improved	improve	VERB
ajst-30934	40	28	recovery	recovery	NOUN
ajst-30934	40	29	rates	rate	NOUN
ajst-30934	40	30	and	and	CCONJ
ajst-30934	40	31	decreased	decrease	VERB
ajst-30934	40	32	gas	gas	NOUN
ajst-30934	40	33	heating	heating	NOUN
ajst-30934	40	34	value	value	NOUN
ajst-30934	40	35	.	.	PUNCT
ajst-30934	41	1	engineers	engineer	NOUN
ajst-30934	41	2	must	must	AUX
ajst-30934	41	3	carefully	carefully	ADV
ajst-30934	41	4	optimize	optimize	VERB
ajst-30934	41	5	injection	injection	NOUN
ajst-30934	41	6	pressures	pressure	NOUN
ajst-30934	41	7	to	to	PART
ajst-30934	41	8	maximize	maximize	VERB
ajst-30934	41	9	methane	methane	NOUN
ajst-30934	41	10	recovery	recovery	NOUN
ajst-30934	41	11	while	while	SCONJ
ajst-30934	41	12	maintaining	maintain	VERB
ajst-30934	41	13	formation	formation	NOUN
ajst-30934	41	14	integrity	integrity	NOUN
ajst-30934	41	15	,	,	PUNCT
ajst-30934	41	16	requiring	require	VERB
ajst-30934	41	17	sophisticated	sophisticated	ADJ
ajst-30934	41	18	reservoir	reservoir	NOUN
ajst-30934	41	19	modeling	modeling	NOUN
ajst-30934	41	20	and	and	CCONJ
ajst-30934	41	21	real	real	ADJ
ajst-30934	41	22	-	-	PUNCT
ajst-30934	41	23	time	time	NOUN
ajst-30934	41	24	monitoring	monitoring	NOUN
ajst-30934	41	25	systems	system	NOUN
ajst-30934	41	26	.	.	PUNCT
ajst-30934	42	1	the	the	DET
ajst-30934	42	2	carbon	carbon	NOUN
ajst-30934	42	3	sequestration	sequestration	NOUN
ajst-30934	42	4	potential	potential	NOUN
ajst-30934	42	5	of	of	ADP
ajst-30934	42	6	ecbm	ecbm	ADJ
ajst-30934	42	7	operations	operation	NOUN
ajst-30934	42	8	is	be	AUX
ajst-30934	42	9	substantial	substantial	ADJ
ajst-30934	42	10	,	,	PUNCT
ajst-30934	42	11	with	with	ADP
ajst-30934	42	12	theoretical	theoretical	ADJ
ajst-30934	42	13	storage	storage	NOUN
ajst-30934	42	14	capacities	capacity	NOUN
ajst-30934	42	15	ranging	range	VERB
ajst-30934	42	16	from	from	ADP
ajst-30934	42	17	two	two	NUM
ajst-30934	42	18	to	to	PART
ajst-30934	42	19	four	four	NUM
ajst-30934	42	20	cubic	cubic	ADJ
ajst-30934	42	21	meters	meter	NOUN
ajst-30934	42	22	of	of	ADP
ajst-30934	42	23	co₂	co₂	NOUN
ajst-30934	42	24	per	per	ADP
ajst-30934	42	25	ton	ton	NOUN
ajst-30934	42	26	of	of	ADP
ajst-30934	42	27	coal	coal	NOUN
ajst-30934	42	28	,	,	PUNCT
ajst-30934	42	29	offering	offer	VERB
ajst-30934	42	30	meaningful	meaningful	ADJ
ajst-30934	42	31	contributions	contribution	NOUN
ajst-30934	42	32	to	to	ADP
ajst-30934	42	33	emissions	emission	NOUN
ajst-30934	42	34	reduction	reduction	NOUN
ajst-30934	42	35	targets	target	NOUN
ajst-30934	42	36	.	.	PUNCT
ajst-30934	43	1	despite	despite	SCONJ
ajst-30934	43	2	its	its	PRON
ajst-30934	43	3	promise	promise	NOUN
ajst-30934	43	4	,	,	PUNCT
ajst-30934	43	5	ecbm	ecbm	ADJ
ajst-30934	43	6	technology	technology	NOUN
ajst-30934	43	7	faces	face	VERB
ajst-30934	43	8	several	several	ADJ
ajst-30934	43	9	implementation	implementation	NOUN
ajst-30934	43	10	challenges	challenge	NOUN
ajst-30934	43	11	that	that	PRON
ajst-30934	43	12	require	require	VERB
ajst-30934	43	13	ongoing	ongoing	ADJ
ajst-30934	43	14	research	research	NOUN
ajst-30934	43	15	and	and	CCONJ
ajst-30934	43	16	development	development	NOUN
ajst-30934	43	17	.	.	PUNCT
ajst-30934	44	1	ensuring	ensure	VERB
ajst-30934	44	2	the	the	DET
ajst-30934	44	3	permanent	permanent	ADJ
ajst-30934	44	4	integrity	integrity	NOUN
ajst-30934	44	5	of	of	ADP
ajst-30934	44	6	stored	store	VERB
ajst-30934	44	7	co₂	co₂	NOUN
ajst-30934	44	8	remains	remain	VERB
ajst-30934	44	9	a	a	DET
ajst-30934	44	10	primary	primary	ADJ
ajst-30934	44	11	concern	concern	NOUN
ajst-30934	44	12	,	,	PUNCT
ajst-30934	44	13	particularly	particularly	ADV
ajst-30934	44	14	regarding	regard	VERB
ajst-30934	44	15	potential	potential	ADJ
ajst-30934	44	16	leakage	leakage	NOUN
ajst-30934	44	17	pathways	pathway	NOUN
ajst-30934	44	18	and	and	CCONJ
ajst-30934	44	19	long	long	ADJ
ajst-30934	44	20	-	-	PUNCT
ajst-30934	44	21	term	term	NOUN
ajst-30934	44	22	reservoir	reservoir	NOUN
ajst-30934	44	23	behavior	behavior	NOUN
ajst-30934	44	24	.	.	PUNCT
ajst-30934	45	1	the	the	DET
ajst-30934	45	2	economic	economic	ADJ
ajst-30934	45	3	viability	viability	NOUN
ajst-30934	45	4	of	of	ADP
ajst-30934	45	5	ecbm	ecbm	PROPN
ajst-30934	45	6	depends	depend	VERB
ajst-30934	45	7	on	on	ADP
ajst-30934	45	8	developing	develop	VERB
ajst-30934	45	9	costeffective	costeffective	ADJ
ajst-30934	45	10	gas	gas	NOUN
ajst-30934	45	11	separation	separation	NOUN
ajst-30934	45	12	and	and	CCONJ
ajst-30934	45	13	compression	compression	NOUN
ajst-30934	45	14	systems	system	NOUN
ajst-30934	45	15	to	to	PART
ajst-30934	45	16	handle	handle	VERB
ajst-30934	45	17	the	the	DET
ajst-30934	45	18	large	large	ADJ
ajst-30934	45	19	volumes	volume	NOUN
ajst-30934	45	20	involved	involve	VERB
ajst-30934	45	21	.	.	PUNCT
ajst-30934	46	1	reservoir	reservoir	PROPN
ajst-30934	46	2	heterogeneity	heterogeneity	PROPN
ajst-30934	46	3	presents	present	VERB
ajst-30934	46	4	additional	additional	ADJ
ajst-30934	46	5	complications	complication	NOUN
ajst-30934	46	6	,	,	PUNCT
ajst-30934	46	7	as	as	SCONJ
ajst-30934	46	8	uneven	uneven	ADJ
ajst-30934	46	9	gas	gas	NOUN
ajst-30934	46	10	distribution	distribution	NOUN
ajst-30934	46	11	can	can	AUX
ajst-30934	46	12	reduce	reduce	VERB
ajst-30934	46	13	sweep	sweep	NOUN
ajst-30934	46	14	efficiency	efficiency	NOUN
ajst-30934	46	15	and	and	CCONJ
ajst-30934	46	16	overall	overall	ADJ
ajst-30934	46	17	project	project	NOUN
ajst-30934	46	18	performance	performance	NOUN
ajst-30934	46	19	.	.	PUNCT
ajst-30934	47	1	recent	recent	ADJ
ajst-30934	47	2	technological	technological	ADJ
ajst-30934	47	3	innovations	innovation	NOUN
ajst-30934	47	4	aim	aim	VERB
ajst-30934	47	5	to	to	PART
ajst-30934	47	6	address	address	VERB
ajst-30934	47	7	these	these	DET
ajst-30934	47	8	challenges	challenge	NOUN
ajst-30934	47	9	through	through	ADP
ajst-30934	47	10	mixed	mixed	ADJ
ajst-30934	47	11	-	-	PUNCT
ajst-30934	47	12	gas	gas	NOUN
ajst-30934	47	13	injection	injection	NOUN
ajst-30934	47	14	strategies	strategy	NOUN
ajst-30934	47	15	that	that	PRON
ajst-30934	47	16	combine	combine	VERB
ajst-30934	47	17	co₂	co₂	NOUN
ajst-30934	47	18	and	and	CCONJ
ajst-30934	47	19	n₂	n₂	NOUN
ajst-30934	47	20	in	in	ADP
ajst-30934	47	21	optimal	optimal	ADJ
ajst-30934	47	22	ratios	ratio	NOUN
ajst-30934	47	23	,	,	PUNCT
ajst-30934	47	24	microbially	microbially	ADV
ajst-30934	47	25	enhanced	enhance	VERB
ajst-30934	47	26	recovery	recovery	NOUN
ajst-30934	47	27	concepts	concept	NOUN
ajst-30934	47	28	that	that	PRON
ajst-30934	47	29	stimulate	stimulate	VERB
ajst-30934	47	30	in	in	ADP
ajst-30934	47	31	-	-	PUNCT
ajst-30934	47	32	situ	situ	NOUN
ajst-30934	47	33	methane	methane	NOUN
ajst-30934	47	34	production	production	NOUN
ajst-30934	47	35	,	,	PUNCT
ajst-30934	47	36	and	and	CCONJ
ajst-30934	47	37	integrated	integrated	ADJ
ajst-30934	47	38	systems	system	NOUN
ajst-30934	47	39	that	that	PRON
ajst-30934	47	40	couple	couple	NOUN
ajst-30934	47	41	ecbm	ecbm	ADJ
ajst-30934	47	42	with	with	ADP
ajst-30934	47	43	geothermal	geothermal	ADJ
ajst-30934	47	44	energy	energy	NOUN
ajst-30934	47	45	extraction	extraction	NOUN
ajst-30934	47	46	for	for	ADP
ajst-30934	47	47	improved	improve	VERB
ajst-30934	47	48	overall	overall	ADJ
ajst-30934	47	49	efficiency	efficiency	NOUN
ajst-30934	47	50	.	.	PUNCT
ajst-30934	48	1	3	3	X
ajst-30934	48	2	.	.	X
ajst-30934	48	3	challenges	challenge	NOUN
ajst-30934	48	4	in	in	ADP
ajst-30934	48	5	cbm	cbm	PROPN
ajst-30934	48	6	production	production	PROPN
ajst-30934	48	7	3.1	3.1	NUM
ajst-30934	48	8	.	.	PUNCT
ajst-30934	49	1	technical	technical	ADJ
ajst-30934	49	2	challenges	challenge	NOUN
ajst-30934	49	3	3.1.1	3.1.1	NUM
ajst-30934	49	4	.	.	PUNCT
ajst-30934	50	1	low	low	ADJ
ajst-30934	50	2	permeability	permeability	NOUN
ajst-30934	50	3	and	and	CCONJ
ajst-30934	50	4	heterogeneity	heterogeneity	NOUN
ajst-30934	50	5	of	of	ADP
ajst-30934	50	6	coal	coal	NOUN
ajst-30934	50	7	seams	seam	NOUN
ajst-30934	50	8	coal	coal	NOUN
ajst-30934	50	9	reservoirs	reservoir	NOUN
ajst-30934	50	10	often	often	ADV
ajst-30934	50	11	exhibit	exhibit	VERB
ajst-30934	50	12	low	low	ADJ
ajst-30934	50	13	permeability	permeability	NOUN
ajst-30934	50	14	(	(	PUNCT
ajst-30934	50	15	typically	typically	ADV
ajst-30934	50	16	0.1–50	0.1–50	ADJ
ajst-30934	50	17	md	md	NOUN
ajst-30934	50	18	)	)	PUNCT
ajst-30934	50	19	,	,	PUNCT
ajst-30934	50	20	which	which	PRON
ajst-30934	50	21	restricts	restrict	VERB
ajst-30934	50	22	gas	gas	NOUN
ajst-30934	50	23	flow	flow	NOUN
ajst-30934	50	24	and	and	CCONJ
ajst-30934	50	25	reduces	reduce	VERB
ajst-30934	50	26	recovery	recovery	NOUN
ajst-30934	50	27	efficiency	efficiency	NOUN
ajst-30934	50	28	.	.	PUNCT
ajst-30934	51	1	unlike	unlike	ADP
ajst-30934	51	2	conventional	conventional	ADJ
ajst-30934	51	3	gas	gas	NOUN
ajst-30934	51	4	reservoirs	reservoir	NOUN
ajst-30934	51	5	,	,	PUNCT
ajst-30934	51	6	coal	coal	NOUN
ajst-30934	51	7	seams	seam	NOUN
ajst-30934	51	8	are	be	AUX
ajst-30934	51	9	highly	highly	ADV
ajst-30934	51	10	heterogeneous	heterogeneous	ADJ
ajst-30934	51	11	due	due	ADJ
ajst-30934	51	12	to	to	ADP
ajst-30934	51	13	fractures	fracture	NOUN
ajst-30934	51	14	(	(	PUNCT
ajst-30934	51	15	cleats	cleat	NOUN
ajst-30934	51	16	)	)	PUNCT
ajst-30934	51	17	and	and	CCONJ
ajst-30934	51	18	varying	vary	VERB
ajst-30934	51	19	coal	coal	NOUN
ajst-30934	51	20	ranks	rank	NOUN
ajst-30934	51	21	.	.	PUNCT
ajst-30934	52	1	this	this	DET
ajst-30934	52	2	variability	variability	NOUN
ajst-30934	52	3	complicates	complicate	VERB
ajst-30934	52	4	well	well	ADJ
ajst-30934	52	5	placement	placement	NOUN
ajst-30934	52	6	and	and	CCONJ
ajst-30934	52	7	stimulation	stimulation	NOUN
ajst-30934	52	8	strategies	strategy	NOUN
ajst-30934	52	9	.	.	PUNCT
ajst-30934	53	1	the	the	DET
ajst-30934	53	2	san	san	PROPN
ajst-30934	53	3	juan	juan	PROPN
ajst-30934	53	4	basin	basin	PROPN
ajst-30934	53	5	is	be	AUX
ajst-30934	53	6	one	one	NUM
ajst-30934	53	7	of	of	ADP
ajst-30934	53	8	the	the	DET
ajst-30934	53	9	most	most	ADV
ajst-30934	53	10	productive	productive	ADJ
ajst-30934	53	11	cbm	cbm	ADJ
ajst-30934	53	12	regions	region	NOUN
ajst-30934	53	13	due	due	ADP
ajst-30934	53	14	to	to	ADP
ajst-30934	53	15	its	its	PRON
ajst-30934	53	16	high	high	ADJ
ajst-30934	53	17	-	-	PUNCT
ajst-30934	53	18	permeability	permeability	NOUN
ajst-30934	53	19	coal	coal	NOUN
ajst-30934	53	20	seams	seam	NOUN
ajst-30934	53	21	.	.	PUNCT
ajst-30934	54	1	however	however	ADV
ajst-30934	54	2	,	,	PUNCT
ajst-30934	54	3	in	in	ADP
ajst-30934	54	4	low	low	ADJ
ajst-30934	54	5	-	-	PUNCT
ajst-30934	54	6	permeability	permeability	NOUN
ajst-30934	54	7	basins	basin	NOUN
ajst-30934	54	8	like	like	ADP
ajst-30934	54	9	the	the	DET
ajst-30934	54	10	powder	powder	NOUN
ajst-30934	54	11	river	river	NOUN
ajst-30934	54	12	basin	basin	NOUN
ajst-30934	54	13	,	,	PUNCT
ajst-30934	54	14	operators	operator	NOUN
ajst-30934	54	15	rely	rely	VERB
ajst-30934	54	16	heavily	heavily	ADV
ajst-30934	54	17	on	on	ADP
ajst-30934	54	18	hydraulic	hydraulic	ADJ
ajst-30934	54	19	fracturing	fracturing	NOUN
ajst-30934	54	20	to	to	PART
ajst-30934	54	21	enhance	enhance	VERB
ajst-30934	54	22	production	production	NOUN
ajst-30934	54	23	.	.	PUNCT
ajst-30934	55	1	3.1.2	3.1.2	X
ajst-30934	55	2	.	.	PUNCT
ajst-30934	55	3	water	water	NOUN
ajst-30934	55	4	production	production	NOUN
ajst-30934	55	5	and	and	CCONJ
ajst-30934	55	6	management	management	NOUN
ajst-30934	55	7	cbm	cbm	PROPN
ajst-30934	55	8	extraction	extraction	NOUN
ajst-30934	55	9	generates	generate	VERB
ajst-30934	55	10	large	large	ADJ
ajst-30934	55	11	volumes	volume	NOUN
ajst-30934	55	12	of	of	ADP
ajst-30934	55	13	produced	produce	VERB
ajst-30934	55	14	water	water	NOUN
ajst-30934	55	15	,	,	PUNCT
ajst-30934	55	16	which	which	PRON
ajst-30934	55	17	must	must	AUX
ajst-30934	55	18	be	be	AUX
ajst-30934	55	19	treated	treat	VERB
ajst-30934	55	20	before	before	ADP
ajst-30934	55	21	disposal	disposal	NOUN
ajst-30934	55	22	or	or	CCONJ
ajst-30934	55	23	reuse	reuse	NOUN
ajst-30934	55	24	.	.	PUNCT
ajst-30934	56	1	the	the	DET
ajst-30934	56	2	water	water	NOUN
ajst-30934	56	3	is	be	AUX
ajst-30934	56	4	often	often	ADV
ajst-30934	56	5	saline	saline	ADJ
ajst-30934	56	6	or	or	CCONJ
ajst-30934	56	7	contains	contain	VERB
ajst-30934	56	8	trace	trace	NOUN
ajst-30934	56	9	metals	metal	NOUN
ajst-30934	56	10	,	,	PUNCT
ajst-30934	56	11	posing	pose	VERB
ajst-30934	56	12	environmental	environmental	ADJ
ajst-30934	56	13	risks	risk	NOUN
ajst-30934	56	14	.	.	PUNCT
ajst-30934	57	1	solutions	solution	NOUN
ajst-30934	57	2	:	:	PUNCT
ajst-30934	57	3	reverse	reverse	VERB
ajst-30934	57	4	osmosis	osmosis	NOUN
ajst-30934	57	5	and	and	CCONJ
ajst-30934	57	6	electrodialysis	electrodialysis	NOUN
ajst-30934	57	7	for	for	ADP
ajst-30934	57	8	desalination	desalination	NOUN
ajst-30934	57	9	.	.	PUNCT
ajst-30934	58	1	reinjection	reinjection	NOUN
ajst-30934	58	2	into	into	ADP
ajst-30934	58	3	deep	deep	ADJ
ajst-30934	58	4	aquifers	aquifer	NOUN
ajst-30934	58	5	(	(	PUNCT
ajst-30934	58	6	where	where	SCONJ
ajst-30934	58	7	permitted	permit	VERB
ajst-30934	58	8	)	)	PUNCT
ajst-30934	58	9	.	.	PUNCT
ajst-30934	59	1	agricultural	agricultural	ADJ
ajst-30934	59	2	reuse	reuse	NOUN
ajst-30934	59	3	after	after	ADP
ajst-30934	59	4	proper	proper	ADJ
ajst-30934	59	5	treatment	treatment	NOUN
ajst-30934	59	6	(	(	PUNCT
ajst-30934	59	7	e.g.	e.g.	ADV
ajst-30934	59	8	,	,	PUNCT
ajst-30934	59	9	in	in	ADP
ajst-30934	59	10	australia	australia	PROPN
ajst-30934	59	11	’s	’s	PART
ajst-30934	59	12	surat	surat	PROPN
ajst-30934	59	13	basin	basin	PROPN
ajst-30934	59	14	)	)	PUNCT
ajst-30934	59	15	.	.	PUNCT
ajst-30934	60	1	3.2	3.2	NUM
ajst-30934	60	2	.	.	PUNCT
ajst-30934	61	1	economic	economic	ADJ
ajst-30934	61	2	challenges	challenge	NOUN
ajst-30934	61	3	3.2.1	3.2.1	NUM
ajst-30934	61	4	.	.	PUNCT
ajst-30934	62	1	high	high	ADJ
ajst-30934	62	2	initial	initial	ADJ
ajst-30934	62	3	investment	investment	NOUN
ajst-30934	62	4	and	and	CCONJ
ajst-30934	62	5	operational	operational	ADJ
ajst-30934	62	6	costs	cost	NOUN
ajst-30934	62	7	drilling	drilling	NOUN
ajst-30934	62	8	&	&	CCONJ
ajst-30934	62	9	completion	completion	NOUN
ajst-30934	62	10	costs	cost	NOUN
ajst-30934	62	11	:	:	PUNCT
ajst-30934	62	12	horizontal	horizontal	ADJ
ajst-30934	62	13	wells	well	NOUN
ajst-30934	62	14	and	and	CCONJ
ajst-30934	62	15	hydraulic	hydraulic	ADJ
ajst-30934	62	16	fracturing	fracturing	NOUN
ajst-30934	62	17	increase	increase	NOUN
ajst-30934	62	18	expenses	expense	NOUN
ajst-30934	62	19	.	.	PUNCT
ajst-30934	63	1	water	water	NOUN
ajst-30934	63	2	handling	handling	NOUN
ajst-30934	63	3	costs	cost	NOUN
ajst-30934	63	4	:	:	PUNCT
ajst-30934	63	5	treatment	treatment	NOUN
ajst-30934	63	6	and	and	CCONJ
ajst-30934	63	7	disposal	disposal	NOUN
ajst-30934	63	8	account	account	NOUN
ajst-30934	63	9	for	for	ADP
ajst-30934	63	10	20–30	20–30	NUM
ajst-30934	63	11	%	%	NOUN
ajst-30934	63	12	of	of	ADP
ajst-30934	63	13	operational	operational	ADJ
ajst-30934	63	14	costs	cost	NOUN
ajst-30934	63	15	.	.	PUNCT
ajst-30934	64	1	3.2.2	3.2.2	X
ajst-30934	64	2	.	.	PUNCT
ajst-30934	64	3	market	market	NOUN
ajst-30934	64	4	dependence	dependence	NOUN
ajst-30934	64	5	and	and	CCONJ
ajst-30934	64	6	gas	gas	NOUN
ajst-30934	64	7	price	price	NOUN
ajst-30934	64	8	volatility	volatility	NOUN
ajst-30934	64	9	cbm	cbm	PROPN
ajst-30934	64	10	projects	project	NOUN
ajst-30934	64	11	require	require	VERB
ajst-30934	64	12	long	long	ADJ
ajst-30934	64	13	-	-	PUNCT
ajst-30934	64	14	term	term	NOUN
ajst-30934	64	15	investment	investment	NOUN
ajst-30934	64	16	,	,	PUNCT
ajst-30934	64	17	but	but	CCONJ
ajst-30934	64	18	gas	gas	NOUN
ajst-30934	64	19	price	price	NOUN
ajst-30934	64	20	fluctuations	fluctuation	NOUN
ajst-30934	64	21	(	(	PUNCT
ajst-30934	64	22	e.g.	e.g.	ADV
ajst-30934	64	23	,	,	PUNCT
ajst-30934	64	24	shale	shale	ADJ
ajst-30934	64	25	gas	gas	NOUN
ajst-30934	64	26	competition	competition	NOUN
ajst-30934	64	27	)	)	PUNCT
ajst-30934	64	28	affect	affect	VERB
ajst-30934	64	29	profitability	profitability	NOUN
ajst-30934	64	30	.	.	PUNCT
ajst-30934	65	1	in	in	ADP
ajst-30934	65	2	china	china	PROPN
ajst-30934	65	3	,	,	PUNCT
ajst-30934	65	4	government	government	NOUN
ajst-30934	65	5	subsidies	subsidy	NOUN
ajst-30934	65	6	have	have	AUX
ajst-30934	65	7	supported	support	VERB
ajst-30934	65	8	cbm	cbm	PROPN
ajst-30934	65	9	development	development	NOUN
ajst-30934	65	10	,	,	PUNCT
ajst-30934	65	11	whereas	whereas	SCONJ
ajst-30934	65	12	in	in	ADP
ajst-30934	65	13	the	the	DET
ajst-30934	65	14	u.s	u.s	PROPN
ajst-30934	65	15	.	.	PROPN
ajst-30934	65	16	,	,	PUNCT
ajst-30934	65	17	low	low	ADJ
ajst-30934	65	18	natural	natural	ADJ
ajst-30934	65	19	gas	gas	NOUN
ajst-30934	65	20	prices	price	NOUN
ajst-30934	65	21	have	have	AUX
ajst-30934	65	22	slowed	slow	VERB
ajst-30934	65	23	investment	investment	NOUN
ajst-30934	65	24	.	.	PUNCT
ajst-30934	66	1	3.3	3.3	NUM
ajst-30934	66	2	.	.	PUNCT
ajst-30934	67	1	geomechanical	geomechanical	ADJ
ajst-30934	67	2	and	and	CCONJ
ajst-30934	67	3	reservoir	reservoir	NOUN
ajst-30934	67	4	challenges	challenge	NOUN
ajst-30934	67	5	coal	coal	NOUN
ajst-30934	67	6	shrinkage	shrinkage	NOUN
ajst-30934	67	7	&	&	CCONJ
ajst-30934	67	8	well	well	ADJ
ajst-30934	67	9	damage	damage	NOUN
ajst-30934	67	10	:	:	PUNCT
ajst-30934	67	11	as	as	ADP
ajst-30934	67	12	gas	gas	NOUN
ajst-30934	67	13	desorbs	desorb	NOUN
ajst-30934	67	14	,	,	PUNCT
ajst-30934	67	15	coal	coal	NOUN
ajst-30934	67	16	matrix	matrix	NOUN
ajst-30934	67	17	shrinks	shrink	VERB
ajst-30934	67	18	,	,	PUNCT
ajst-30934	67	19	potentially	potentially	ADV
ajst-30934	67	20	causing	cause	VERB
ajst-30934	67	21	subsidence	subsidence	NOUN
ajst-30934	67	22	or	or	CCONJ
ajst-30934	67	23	wellbore	wellbore	NOUN
ajst-30934	67	24	collapse	collapse	NOUN
ajst-30934	67	25	.	.	PUNCT
ajst-30934	68	1	fracture	fracture	NOUN
ajst-30934	68	2	closure	closure	NOUN
ajst-30934	68	3	:	:	PUNCT
ajst-30934	68	4	over	over	ADP
ajst-30934	68	5	time	time	NOUN
ajst-30934	68	6	,	,	PUNCT
ajst-30934	68	7	proppants	proppant	NOUN
ajst-30934	68	8	(	(	PUNCT
ajst-30934	68	9	e.g.	e.g.	ADV
ajst-30934	68	10	,	,	PUNCT
ajst-30934	68	11	sand	sand	NOUN
ajst-30934	68	12	)	)	PUNCT
ajst-30934	68	13	in	in	ADP
ajst-30934	68	14	fractures	fracture	NOUN
ajst-30934	68	15	may	may	AUX
ajst-30934	68	16	embed	embed	VERB
ajst-30934	68	17	,	,	PUNCT
ajst-30934	68	18	reducing	reduce	VERB
ajst-30934	68	19	permeability	permeability	NOUN
ajst-30934	68	20	.	.	PUNCT
ajst-30934	69	1	251	251	NUM
ajst-30934	69	2	4	4	NUM
ajst-30934	69	3	.	.	X
ajst-30934	69	4	environmental	environmental	ADJ
ajst-30934	69	5	and	and	CCONJ
ajst-30934	69	6	regulatory	regulatory	ADJ
ajst-30934	69	7	considerations	consideration	NOUN
ajst-30934	69	8	4.1	4.1	NUM
ajst-30934	69	9	.	.	PUNCT
ajst-30934	70	1	environmental	environmental	ADJ
ajst-30934	70	2	impacts	impact	NOUN
ajst-30934	70	3	4.1.1	4.1.1	NUM
ajst-30934	70	4	.	.	PUNCT
ajst-30934	71	1	water	water	NOUN
ajst-30934	71	2	contamination	contamination	NOUN
ajst-30934	71	3	risks	risk	NOUN
ajst-30934	71	4	fracking	fracke	VERB
ajst-30934	71	5	fluids	fluid	NOUN
ajst-30934	71	6	:	:	PUNCT
ajst-30934	71	7	chemicals	chemical	NOUN
ajst-30934	71	8	used	use	VERB
ajst-30934	71	9	in	in	ADP
ajst-30934	71	10	hydraulic	hydraulic	ADJ
ajst-30934	71	11	fracturing	fracturing	NOUN
ajst-30934	71	12	(	(	PUNCT
ajst-30934	71	13	e.g.	e.g.	ADV
ajst-30934	71	14	,	,	PUNCT
ajst-30934	71	15	biocides	biocide	NOUN
ajst-30934	71	16	,	,	PUNCT
ajst-30934	71	17	surfactants	surfactant	NOUN
ajst-30934	71	18	)	)	PUNCT
ajst-30934	71	19	may	may	AUX
ajst-30934	71	20	leak	leak	VERB
ajst-30934	71	21	into	into	ADP
ajst-30934	71	22	groundwater	groundwater	NOUN
ajst-30934	71	23	.	.	PUNCT
ajst-30934	72	1	produced	produce	VERB
ajst-30934	72	2	water	water	NOUN
ajst-30934	72	3	disposal	disposal	NOUN
ajst-30934	72	4	:	:	PUNCT
ajst-30934	72	5	improper	improper	ADJ
ajst-30934	72	6	handling	handling	NOUN
ajst-30934	72	7	can	can	AUX
ajst-30934	72	8	lead	lead	VERB
ajst-30934	72	9	to	to	ADP
ajst-30934	72	10	soil	soil	NOUN
ajst-30934	72	11	salinization	salinization	NOUN
ajst-30934	72	12	and	and	CCONJ
ajst-30934	72	13	ecosystem	ecosystem	NOUN
ajst-30934	72	14	damage	damage	NOUN
ajst-30934	72	15	.	.	PUNCT
ajst-30934	73	1	4.1.2	4.1.2	X
ajst-30934	73	2	.	.	PUNCT
ajst-30934	73	3	methane	methane	NOUN
ajst-30934	73	4	leakage	leakage	NOUN
ajst-30934	73	5	and	and	CCONJ
ajst-30934	73	6	greenhouse	greenhouse	NOUN
ajst-30934	73	7	gas	gas	NOUN
ajst-30934	73	8	emissions	emission	NOUN
ajst-30934	73	9	fugitive	fugitive	ADJ
ajst-30934	73	10	methane	methane	NOUN
ajst-30934	73	11	:	:	PUNCT
ajst-30934	73	12	3–8	3–8	NUM
ajst-30934	73	13	%	%	NOUN
ajst-30934	73	14	of	of	ADP
ajst-30934	73	15	produced	produce	VERB
ajst-30934	73	16	cbm	cbm	NOUN
ajst-30934	73	17	may	may	AUX
ajst-30934	73	18	escape	escape	VERB
ajst-30934	73	19	during	during	ADP
ajst-30934	73	20	extraction	extraction	NOUN
ajst-30934	73	21	,	,	PUNCT
ajst-30934	73	22	with	with	ADP
ajst-30934	73	23	a	a	DET
ajst-30934	73	24	global	global	ADJ
ajst-30934	73	25	warming	warming	NOUN
ajst-30934	73	26	potential	potential	NOUN
ajst-30934	73	27	25×	25×	NOUN
ajst-30934	73	28	greater	great	ADJ
ajst-30934	73	29	than	than	ADP
ajst-30934	73	30	co₂.	co₂.	NOUN
ajst-30934	73	31	mitigation	mitigation	NOUN
ajst-30934	73	32	strategies	strategy	NOUN
ajst-30934	73	33	:	:	PUNCT
ajst-30934	73	34	leak	leak	NOUN
ajst-30934	73	35	detection	detection	NOUN
ajst-30934	73	36	and	and	CCONJ
ajst-30934	73	37	repair	repair	NOUN
ajst-30934	73	38	(	(	PUNCT
ajst-30934	73	39	ldar	ldar	NOUN
ajst-30934	73	40	)	)	PUNCT
ajst-30934	73	41	using	use	VERB
ajst-30934	73	42	infrared	infrared	ADJ
ajst-30934	73	43	cameras	camera	NOUN
ajst-30934	73	44	.	.	PUNCT
ajst-30934	74	1	vapor	vapor	NOUN
ajst-30934	74	2	recovery	recovery	NOUN
ajst-30934	74	3	units	unit	NOUN
ajst-30934	74	4	(	(	PUNCT
ajst-30934	74	5	vrus	vrus	PROPN
ajst-30934	74	6	)	)	PUNCT
ajst-30934	74	7	to	to	PART
ajst-30934	74	8	capture	capture	VERB
ajst-30934	74	9	vented	vent	VERB
ajst-30934	74	10	gas	gas	NOUN
ajst-30934	74	11	.	.	PUNCT
ajst-30934	75	1	4.1.3	4.1.3	X
ajst-30934	75	2	.	.	PUNCT
ajst-30934	75	3	land	land	NOUN
ajst-30934	75	4	use	use	NOUN
ajst-30934	75	5	and	and	CCONJ
ajst-30934	75	6	biodiversity	biodiversity	NOUN
ajst-30934	75	7	disruption	disruption	NOUN
ajst-30934	75	8	well	well	NOUN
ajst-30934	75	9	pads	pad	NOUN
ajst-30934	75	10	,	,	PUNCT
ajst-30934	75	11	pipelines	pipeline	NOUN
ajst-30934	75	12	,	,	PUNCT
ajst-30934	75	13	and	and	CCONJ
ajst-30934	75	14	access	access	NOUN
ajst-30934	75	15	roads	road	NOUN
ajst-30934	75	16	fragment	fragment	ADJ
ajst-30934	75	17	habitats	habitat	NOUN
ajst-30934	75	18	.	.	PUNCT
ajst-30934	76	1	example	example	NOUN
ajst-30934	76	2	:	:	PUNCT
ajst-30934	76	3	in	in	ADP
ajst-30934	76	4	australia	australia	PROPN
ajst-30934	76	5	’s	’s	PART
ajst-30934	76	6	queensland	queensland	PROPN
ajst-30934	76	7	,	,	PUNCT
ajst-30934	76	8	cbm	cbm	PROPN
ajst-30934	76	9	development	development	PROPN
ajst-30934	76	10	has	have	AUX
ajst-30934	76	11	raised	raise	VERB
ajst-30934	76	12	concerns	concern	NOUN
ajst-30934	76	13	over	over	ADP
ajst-30934	76	14	impacts	impact	NOUN
ajst-30934	76	15	on	on	ADP
ajst-30934	76	16	the	the	DET
ajst-30934	76	17	great	great	ADJ
ajst-30934	76	18	artesian	artesian	ADJ
ajst-30934	76	19	basin	basin	NOUN
ajst-30934	76	20	.	.	PUNCT
ajst-30934	77	1	4.2	4.2	NUM
ajst-30934	77	2	.	.	PUNCT
ajst-30934	77	3	regulatory	regulatory	ADJ
ajst-30934	77	4	frameworks	framework	NOUN
ajst-30934	77	5	and	and	CCONJ
ajst-30934	77	6	best	good	ADJ
ajst-30934	77	7	practices	practice	NOUN
ajst-30934	77	8	4.2.1	4.2.1	NUM
ajst-30934	77	9	.	.	PUNCT
ajst-30934	78	1	water	water	NOUN
ajst-30934	78	2	contamination	contamination	NOUN
ajst-30934	78	3	risks	risk	NOUN
ajst-30934	78	4	table	table	NOUN
ajst-30934	78	5	1	1	NUM
ajst-30934	78	6	.	.	PUNCT
ajst-30934	79	1	different	different	ADJ
ajst-30934	79	2	countries	country	NOUN
ajst-30934	79	3	country	country	NOUN
ajst-30934	79	4	key	key	ADJ
ajst-30934	79	5	regulations	regulation	NOUN
ajst-30934	79	6	focus	focus	VERB
ajst-30934	79	7	areas	area	NOUN
ajst-30934	79	8	usa	usa	PROPN
ajst-30934	79	9	clean	clean	PROPN
ajst-30934	79	10	water	water	PROPN
ajst-30934	79	11	act	act	PROPN
ajst-30934	79	12	,	,	PUNCT
ajst-30934	79	13	safe	safe	ADJ
ajst-30934	79	14	drinking	drinking	NOUN
ajst-30934	79	15	water	water	NOUN
ajst-30934	79	16	act	act	NOUN
ajst-30934	79	17	(	(	PUNCT
ajst-30934	79	18	sdwa	sdwa	ADJ
ajst-30934	79	19	)	)	PUNCT
ajst-30934	79	20	water	water	NOUN
ajst-30934	79	21	protection	protection	NOUN
ajst-30934	79	22	,	,	PUNCT
ajst-30934	79	23	fracking	fracke	VERB
ajst-30934	79	24	disclosure	disclosure	PROPN
ajst-30934	79	25	australia	australia	PROPN
ajst-30934	79	26	epbc	epbc	PROPN
ajst-30934	79	27	act	act	PROPN
ajst-30934	79	28	(	(	PUNCT
ajst-30934	79	29	1999	1999	NUM
ajst-30934	79	30	)	)	PUNCT
ajst-30934	79	31	,	,	PUNCT
ajst-30934	79	32	state	state	NOUN
ajst-30934	79	33	-	-	PUNCT
ajst-30934	79	34	level	level	NOUN
ajst-30934	79	35	csg	csg	NOUN
ajst-30934	79	36	policies	policy	NOUN
ajst-30934	79	37	water	water	NOUN
ajst-30934	79	38	management	management	NOUN
ajst-30934	79	39	,	,	PUNCT
ajst-30934	79	40	land	land	NOUN
ajst-30934	79	41	access	access	NOUN
ajst-30934	79	42	china	china	PROPN
ajst-30934	79	43	cbm	cbm	PROPN
ajst-30934	79	44	development	development	PROPN
ajst-30934	79	45	policy	policy	NOUN
ajst-30934	79	46	(	(	PUNCT
ajst-30934	79	47	2020	2020	NUM
ajst-30934	79	48	)	)	PUNCT
ajst-30934	79	49	subsidies	subsidy	NOUN
ajst-30934	79	50	,	,	PUNCT
ajst-30934	79	51	methane	methane	NOUN
ajst-30934	79	52	capture	capture	NOUN
ajst-30934	79	53	incentives	incentive	VERB
ajst-30934	79	54	4.2.2	4.2.2	NUM
ajst-30934	79	55	.	.	PUNCT
ajst-30934	80	1	sustainable	sustainable	ADJ
ajst-30934	80	2	practices	practice	NOUN
ajst-30934	80	3	and	and	CCONJ
ajst-30934	80	4	future	future	ADJ
ajst-30934	80	5	directions	direction	NOUN
ajst-30934	80	6	in	in	ADP
ajst-30934	80	7	cbm	cbm	PROPN
ajst-30934	80	8	development	development	PROPN
ajst-30934	80	9	to	to	PART
ajst-30934	80	10	mitigate	mitigate	VERB
ajst-30934	80	11	environmental	environmental	ADJ
ajst-30934	80	12	risks	risk	NOUN
ajst-30934	80	13	and	and	CCONJ
ajst-30934	80	14	improve	improve	VERB
ajst-30934	80	15	operational	operational	ADJ
ajst-30934	80	16	sustainability	sustainability	NOUN
ajst-30934	80	17	,	,	PUNCT
ajst-30934	80	18	the	the	DET
ajst-30934	80	19	cbm	cbm	PROPN
ajst-30934	80	20	industry	industry	NOUN
ajst-30934	80	21	is	be	AUX
ajst-30934	80	22	increasingly	increasingly	ADV
ajst-30934	80	23	adopting	adopt	VERB
ajst-30934	80	24	best	good	ADJ
ajst-30934	80	25	practices	practice	NOUN
ajst-30934	80	26	such	such	ADJ
ajst-30934	80	27	as	as	ADP
ajst-30934	80	28	water	water	NOUN
ajst-30934	80	29	recycling	recycling	NOUN
ajst-30934	80	30	through	through	ADP
ajst-30934	80	31	closed	close	VERB
ajst-30934	80	32	-	-	PUNCT
ajst-30934	80	33	loop	loop	NOUN
ajst-30934	80	34	systems	system	NOUN
ajst-30934	80	35	,	,	PUNCT
ajst-30934	80	36	methane	methane	NOUN
ajst-30934	80	37	capture	capture	NOUN
ajst-30934	80	38	technologies	technology	NOUN
ajst-30934	80	39	to	to	PART
ajst-30934	80	40	reduce	reduce	VERB
ajst-30934	80	41	fugitive	fugitive	ADJ
ajst-30934	80	42	emissions	emission	NOUN
ajst-30934	80	43	,	,	PUNCT
ajst-30934	80	44	and	and	CCONJ
ajst-30934	80	45	comprehensive	comprehensive	ADJ
ajst-30934	80	46	site	site	NOUN
ajst-30934	80	47	rehabilitation	rehabilitation	NOUN
ajst-30934	80	48	programs	program	NOUN
ajst-30934	80	49	to	to	PART
ajst-30934	80	50	restore	restore	VERB
ajst-30934	80	51	land	land	NOUN
ajst-30934	80	52	post	post	NOUN
ajst-30934	80	53	-	-	NOUN
ajst-30934	80	54	production	production	NOUN
ajst-30934	80	55	.	.	PUNCT
ajst-30934	81	1	looking	look	VERB
ajst-30934	81	2	ahead	ahead	ADV
ajst-30934	81	3	,	,	PUNCT
ajst-30934	81	4	the	the	DET
ajst-30934	81	5	integration	integration	NOUN
ajst-30934	81	6	of	of	ADP
ajst-30934	81	7	carbon	carbon	NOUN
ajst-30934	81	8	capture	capture	NOUN
ajst-30934	81	9	and	and	CCONJ
ajst-30934	81	10	storage	storage	NOUN
ajst-30934	81	11	(	(	PUNCT
ajst-30934	81	12	ccs	ccs	PROPN
ajst-30934	81	13	)	)	PUNCT
ajst-30934	81	14	with	with	ADP
ajst-30934	81	15	enhanced	enhanced	ADJ
ajst-30934	81	16	coalbed	coalbe	VERB
ajst-30934	81	17	methane	methane	NOUN
ajst-30934	81	18	recovery	recovery	NOUN
ajst-30934	81	19	(	(	PUNCT
ajst-30934	81	20	ecbm	ecbm	NOUN
ajst-30934	81	21	)	)	PUNCT
ajst-30934	81	22	presents	present	VERB
ajst-30934	81	23	a	a	DET
ajst-30934	81	24	dual	dual	ADJ
ajst-30934	81	25	opportunity	opportunity	NOUN
ajst-30934	81	26	to	to	PART
ajst-30934	81	27	boost	boost	VERB
ajst-30934	81	28	gas	gas	NOUN
ajst-30934	81	29	yields	yield	NOUN
ajst-30934	81	30	while	while	SCONJ
ajst-30934	81	31	sequestering	sequester	VERB
ajst-30934	81	32	co₂	co₂	NOUN
ajst-30934	81	33	,	,	PUNCT
ajst-30934	81	34	aligning	align	VERB
ajst-30934	81	35	with	with	ADP
ajst-30934	81	36	global	global	ADJ
ajst-30934	81	37	decarbonization	decarbonization	NOUN
ajst-30934	81	38	goals	goal	NOUN
ajst-30934	81	39	.	.	PUNCT
ajst-30934	82	1	advanced	advanced	ADJ
ajst-30934	82	2	monitoring	monitoring	NOUN
ajst-30934	82	3	systems	system	NOUN
ajst-30934	82	4	leveraging	leverage	VERB
ajst-30934	82	5	ai	ai	VERB
ajst-30934	82	6	and	and	CCONJ
ajst-30934	82	7	iot	iot	PROPN
ajst-30934	82	8	are	be	AUX
ajst-30934	82	9	also	also	ADV
ajst-30934	82	10	being	be	AUX
ajst-30934	82	11	deployed	deploy	VERB
ajst-30934	82	12	for	for	ADP
ajst-30934	82	13	real	real	ADJ
ajst-30934	82	14	-	-	PUNCT
ajst-30934	82	15	time	time	NOUN
ajst-30934	82	16	tracking	tracking	NOUN
ajst-30934	82	17	of	of	ADP
ajst-30934	82	18	methane	methane	NOUN
ajst-30934	82	19	leaks	leak	NOUN
ajst-30934	82	20	and	and	CCONJ
ajst-30934	82	21	reservoir	reservoir	NOUN
ajst-30934	82	22	performance	performance	NOUN
ajst-30934	82	23	,	,	PUNCT
ajst-30934	82	24	enabling	enable	VERB
ajst-30934	82	25	proactive	proactive	ADJ
ajst-30934	82	26	mitigation	mitigation	NOUN
ajst-30934	82	27	.	.	PUNCT
ajst-30934	83	1	regulatory	regulatory	ADJ
ajst-30934	83	2	frameworks	framework	NOUN
ajst-30934	83	3	worldwide	worldwide	ADV
ajst-30934	83	4	are	be	AUX
ajst-30934	83	5	evolving	evolve	VERB
ajst-30934	83	6	to	to	PART
ajst-30934	83	7	enforce	enforce	VERB
ajst-30934	83	8	stricter	strict	ADJ
ajst-30934	83	9	methane	methane	NOUN
ajst-30934	83	10	controls	control	NOUN
ajst-30934	83	11	,	,	PUNCT
ajst-30934	83	12	as	as	SCONJ
ajst-30934	83	13	seen	see	VERB
ajst-30934	83	14	in	in	ADP
ajst-30934	83	15	the	the	DET
ajst-30934	83	16	eu	eu	PROPN
ajst-30934	83	17	methane	methane	NOUN
ajst-30934	83	18	strategy	strategy	NOUN
ajst-30934	83	19	and	and	CCONJ
ajst-30934	83	20	u.s	u.s	PROPN
ajst-30934	83	21	.	.	PROPN
ajst-30934	83	22	epa	epa	PROPN
ajst-30934	83	23	guidelines	guideline	NOUN
ajst-30934	83	24	,	,	PUNCT
ajst-30934	83	25	which	which	PRON
ajst-30934	83	26	mandate	mandate	VERB
ajst-30934	83	27	leak	leak	NOUN
ajst-30934	83	28	detection	detection	NOUN
ajst-30934	83	29	and	and	CCONJ
ajst-30934	83	30	repair	repair	NOUN
ajst-30934	83	31	(	(	PUNCT
ajst-30934	83	32	ldar	ldar	NOUN
ajst-30934	83	33	)	)	PUNCT
ajst-30934	83	34	protocols	protocol	NOUN
ajst-30934	83	35	.	.	PUNCT
ajst-30934	84	1	collaborative	collaborative	ADJ
ajst-30934	84	2	efforts	effort	NOUN
ajst-30934	84	3	among	among	ADP
ajst-30934	84	4	governments	government	NOUN
ajst-30934	84	5	,	,	PUNCT
ajst-30934	84	6	industry	industry	NOUN
ajst-30934	84	7	,	,	PUNCT
ajst-30934	84	8	and	and	CCONJ
ajst-30934	84	9	researchers	researcher	NOUN
ajst-30934	84	10	will	will	AUX
ajst-30934	84	11	be	be	AUX
ajst-30934	84	12	critical	critical	ADJ
ajst-30934	84	13	to	to	PART
ajst-30934	84	14	balance	balance	VERB
ajst-30934	84	15	energy	energy	NOUN
ajst-30934	84	16	security	security	NOUN
ajst-30934	84	17	with	with	ADP
ajst-30934	84	18	environmental	environmental	ADJ
ajst-30934	84	19	stewardship	stewardship	NOUN
ajst-30934	84	20	,	,	PUNCT
ajst-30934	84	21	ensuring	ensure	VERB
ajst-30934	84	22	cbm	cbm	PROPN
ajst-30934	84	23	’s	’s	PART
ajst-30934	84	24	role	role	NOUN
ajst-30934	84	25	in	in	ADP
ajst-30934	84	26	a	a	DET
ajst-30934	84	27	transitional	transitional	ADJ
ajst-30934	84	28	energy	energy	NOUN
ajst-30934	84	29	landscape	landscape	NOUN
ajst-30934	84	30	.	.	PUNCT
ajst-30934	85	1	5	5	X
ajst-30934	85	2	.	.	X
ajst-30934	85	3	summary	summary	VERB
ajst-30934	85	4	cbm	cbm	PROPN
ajst-30934	85	5	extraction	extraction	NOUN
ajst-30934	85	6	presents	present	VERB
ajst-30934	85	7	a	a	DET
ajst-30934	85	8	promising	promising	ADJ
ajst-30934	85	9	yet	yet	ADV
ajst-30934	85	10	challenging	challenging	ADJ
ajst-30934	85	11	energy	energy	NOUN
ajst-30934	85	12	solution	solution	NOUN
ajst-30934	85	13	.	.	PUNCT
ajst-30934	86	1	while	while	SCONJ
ajst-30934	86	2	technological	technological	ADJ
ajst-30934	86	3	advancements	advancement	NOUN
ajst-30934	86	4	improve	improve	VERB
ajst-30934	86	5	efficiency	efficiency	NOUN
ajst-30934	86	6	,	,	PUNCT
ajst-30934	86	7	environmental	environmental	ADJ
ajst-30934	86	8	and	and	CCONJ
ajst-30934	86	9	economic	economic	ADJ
ajst-30934	86	10	hurdles	hurdle	NOUN
ajst-30934	86	11	remain	remain	VERB
ajst-30934	86	12	.	.	PUNCT
ajst-30934	87	1	future	future	ADJ
ajst-30934	87	2	research	research	NOUN
ajst-30934	87	3	should	should	AUX
ajst-30934	87	4	focus	focus	VERB
ajst-30934	87	5	on	on	ADP
ajst-30934	87	6	optimizing	optimize	VERB
ajst-30934	87	7	recovery	recovery	NOUN
ajst-30934	87	8	methods	method	NOUN
ajst-30934	87	9	and	and	CCONJ
ajst-30934	87	10	minimizing	minimize	VERB
ajst-30934	87	11	ecological	ecological	ADJ
ajst-30934	87	12	impacts	impact	NOUN
ajst-30934	87	13	to	to	PART
ajst-30934	87	14	ensure	ensure	VERB
ajst-30934	87	15	sustainable	sustainable	ADJ
ajst-30934	87	16	cbm	cbm	PROPN
ajst-30934	87	17	development	development	NOUN
ajst-30934	87	18	.	.	PUNCT
ajst-30934	88	1	references	reference	NOUN
ajst-30934	88	2	[	[	X
ajst-30934	88	3	1	1	NUM
ajst-30934	88	4	]	]	X
ajst-30934	88	5	liu	liu	PROPN
ajst-30934	88	6	,	,	PUNCT
ajst-30934	88	7	x.-q	x.-q	PROPN
ajst-30934	88	8	.	.	PROPN
ajst-30934	88	9	,	,	PUNCT
ajst-30934	88	10	li	li	PROPN
ajst-30934	88	11	,	,	PUNCT
ajst-30934	88	12	m.	m.	NOUN
ajst-30934	88	13	,	,	PUNCT
ajst-30934	88	14	zhang	zhang	PROPN
ajst-30934	88	15	,	,	PUNCT
ajst-30934	88	16	c.	c.	PROPN
ajst-30934	88	17	,	,	PUNCT
ajst-30934	88	18	fang	fang	PROPN
ajst-30934	88	19	,	,	PUNCT
ajst-30934	88	20	r.	r.	PROPN
ajst-30934	88	21	,	,	PUNCT
ajst-30934	88	22	zhong	zhong	PROPN
ajst-30934	88	23	,	,	PUNCT
ajst-30934	88	24	n.	n.	PROPN
ajst-30934	88	25	,	,	PUNCT
ajst-30934	88	26	xue	xue	PROPN
ajst-30934	88	27	,	,	PUNCT
ajst-30934	88	28	y.	y.	PROPN
ajst-30934	88	29	,	,	PUNCT
ajst-30934	88	30	zhou	zhou	PROPN
ajst-30934	88	31	,	,	PUNCT
ajst-30934	88	32	y.	y.	PROPN
ajst-30934	88	33	,	,	PUNCT
ajst-30934	88	34	jiang	jiang	PROPN
ajst-30934	88	35	,	,	PUNCT
ajst-30934	88	36	w.	w.	PROPN
ajst-30934	88	37	,	,	PUNCT
ajst-30934	88	38	&	&	CCONJ
ajst-30934	88	39	chen	chen	PROPN
ajst-30934	88	40	,	,	PUNCT
ajst-30934	88	41	x.-y	x.-y	PROPN
ajst-30934	88	42	.	.	PUNCT
ajst-30934	89	1	(	(	PUNCT
ajst-30934	89	2	2020	2020	NUM
ajst-30934	89	3	)	)	PUNCT
ajst-30934	89	4	.	.	PUNCT
ajst-30934	90	1	mechanistic	mechanistic	ADJ
ajst-30934	90	2	insight	insight	NOUN
ajst-30934	90	3	into	into	ADP
ajst-30934	90	4	the	the	DET
ajst-30934	90	5	optimal	optimal	ADJ
ajst-30934	90	6	recovery	recovery	NOUN
ajst-30934	90	7	efficiency	efficiency	NOUN
ajst-30934	90	8	of	of	ADP
ajst-30934	90	9	cbm	cbm	PROPN
ajst-30934	90	10	in	in	ADP
ajst-30934	90	11	sub	sub	ADJ
ajst-30934	90	12	-	-	ADJ
ajst-30934	90	13	bituminous	bituminous	ADJ
ajst-30934	90	14	coal	coal	NOUN
ajst-30934	90	15	through	through	ADP
ajst-30934	90	16	molecular	molecular	ADJ
ajst-30934	90	17	simulation	simulation	NOUN
ajst-30934	90	18	.	.	PUNCT
ajst-30934	91	1	fuel	fuel	NOUN
ajst-30934	91	2	,	,	PUNCT
ajst-30934	91	3	267	267	NUM
ajst-30934	91	4	,	,	PUNCT
ajst-30934	91	5	117137	117137	NUM
ajst-30934	91	6	.	.	PUNCT
ajst-30934	92	1	[	[	X
ajst-30934	92	2	2	2	NUM
ajst-30934	92	3	]	]	X
ajst-30934	92	4	china	china	PROPN
ajst-30934	92	5	united	united	PROPN
ajst-30934	92	6	coalbed	coalbed	PROPN
ajst-30934	92	7	methane	methane	PROPN
ajst-30934	92	8	corp	corp	PROPN
ajst-30934	92	9	.	.	PROPN
ajst-30934	92	10	&	&	CCONJ
ajst-30934	92	11	alberta	alberta	PROPN
ajst-30934	92	12	research	research	PROPN
ajst-30934	92	13	council	council	PROPN
ajst-30934	92	14	.	.	PUNCT
ajst-30934	93	1	(	(	PUNCT
ajst-30934	93	2	2008	2008	NUM
ajst-30934	93	3	)	)	PUNCT
ajst-30934	93	4	.	.	PUNCT
ajst-30934	94	1	recommended	recommend	VERB
ajst-30934	94	2	practices	practice	NOUN
ajst-30934	94	3	for	for	ADP
ajst-30934	94	4	co₂-enhanced	co₂-enhance	VERB
ajst-30934	94	5	coalbed	coalbe	VERB
ajst-30934	94	6	methane	methane	NOUN
ajst-30934	94	7	pilot	pilot	NOUN
ajst-30934	94	8	tests	test	NOUN
ajst-30934	94	9	in	in	ADP
ajst-30934	94	10	china	china	PROPN
ajst-30934	95	1	[	[	X
ajst-30934	95	2	中英文本	中英文本	PROPN
ajst-30934	95	3	]	]	PUNCT
ajst-30934	95	4	.	.	PUNCT
ajst-30934	96	1	geological	geological	ADJ
ajst-30934	96	2	publishing	publishing	NOUN
ajst-30934	96	3	house	house	NOUN
ajst-30934	96	4	.	.	PUNCT
ajst-30934	97	1	[	[	X
ajst-30934	97	2	3	3	X
ajst-30934	97	3	]	]	PUNCT
ajst-30934	97	4	state	state	NOUN
ajst-30934	97	5	administration	administration	NOUN
ajst-30934	97	6	of	of	ADP
ajst-30934	97	7	coal	coal	NOUN
ajst-30934	97	8	mine	mine	NOUN
ajst-30934	97	9	safety	safety	NOUN
ajst-30934	97	10	.	.	PUNCT
ajst-30934	98	1	(	(	PUNCT
ajst-30934	98	2	2006	2006	NUM
ajst-30934	98	3	)	)	PUNCT
ajst-30934	98	4	.	.	PUNCT
ajst-30934	99	1	*	*	PUNCT
ajst-30934	99	2	gas	gas	NOUN
ajst-30934	99	3	drainage	drainage	NOUN
ajst-30934	99	4	basic	basic	ADJ
ajst-30934	99	5	index	index	NOUN
ajst-30934	99	6	in	in	ADP
ajst-30934	99	7	coal	coal	NOUN
ajst-30934	99	8	mine	mine	NOUN
ajst-30934	99	9	(	(	PUNCT
ajst-30934	99	10	aq	aq	X
ajst-30934	99	11	1026	1026	NUM
ajst-30934	99	12	-	-	SYM
ajst-30934	99	13	2006	2006	NUM
ajst-30934	99	14	)	)	PUNCT
ajst-30934	99	15	*	*	PUNCT
ajst-30934	99	16	.	.	PUNCT
ajst-30934	100	1	china	china	PROPN
ajst-30934	100	2	coal	coal	NOUN
ajst-30934	100	3	industry	industry	NOUN
ajst-30934	100	4	publishing	publishing	NOUN
ajst-30934	100	5	house	house	NOUN
ajst-30934	100	6	.	.	PUNCT
ajst-30934	101	1	[	[	X
ajst-30934	101	2	4	4	NUM
ajst-30934	101	3	]	]	X
ajst-30934	101	4	wang	wang	PROPN
ajst-30934	101	5	,	,	PUNCT
ajst-30934	101	6	h.	h.	PROPN
ajst-30934	101	7	f.	f.	PROPN
ajst-30934	101	8	,	,	PUNCT
ajst-30934	101	9	cheng	cheng	PROPN
ajst-30934	101	10	,	,	PUNCT
ajst-30934	101	11	y.	y.	PROPN
ajst-30934	101	12	p.	p.	PROPN
ajst-30934	101	13	,	,	PUNCT
ajst-30934	101	14	yu	yu	PROPN
ajst-30934	101	15	,	,	PUNCT
ajst-30934	101	16	q.	q.	PROPN
ajst-30934	101	17	x.	x.	PROPN
ajst-30934	101	18	,	,	PUNCT
ajst-30934	101	19	zhou	zhou	PROPN
ajst-30934	101	20	,	,	PUNCT
ajst-30934	101	21	z.	z.	PROPN
ajst-30934	101	22	y.	y.	PROPN
ajst-30934	101	23	,	,	PUNCT
ajst-30934	101	24	zhou	zhou	PROPN
ajst-30934	101	25	,	,	PUNCT
ajst-30934	101	26	h.	h.	PROPN
ajst-30934	101	27	x.	x.	PROPN
ajst-30934	101	28	,	,	PUNCT
ajst-30934	101	29	&	&	CCONJ
ajst-30934	101	30	liu	liu	PROPN
ajst-30934	101	31	,	,	PUNCT
ajst-30934	101	32	h.	h.	PROPN
ajst-30934	101	33	y.	y.	PROPN
ajst-30934	101	34	(	(	PUNCT
ajst-30934	101	35	2008	2008	NUM
ajst-30934	101	36	)	)	PUNCT
ajst-30934	101	37	.	.	PUNCT
ajst-30934	102	1	research	research	NOUN
ajst-30934	102	2	on	on	ADP
ajst-30934	102	3	the	the	DET
ajst-30934	102	4	amount	amount	NOUN
ajst-30934	102	5	of	of	ADP
ajst-30934	102	6	safe	safe	ADJ
ajst-30934	102	7	mineable	mineable	ADJ
ajst-30934	102	8	coal	coal	NOUN
ajst-30934	102	9	in	in	ADP
ajst-30934	102	10	mines	mine	NOUN
ajst-30934	102	11	susceptible	susceptible	ADJ
ajst-30934	102	12	to	to	ADP
ajst-30934	102	13	coal	coal	NOUN
ajst-30934	102	14	and	and	CCONJ
ajst-30934	102	15	gas	gas	NOUN
ajst-30934	102	16	outburst	outburst	NOUN
ajst-30934	102	17	.	.	PUNCT
ajst-30934	103	1	journal	journal	PROPN
ajst-30934	103	2	of	of	ADP
ajst-30934	103	3	china	china	PROPN
ajst-30934	103	4	university	university	PROPN
ajst-30934	103	5	of	of	ADP
ajst-30934	103	6	mining	mining	NOUN
ajst-30934	103	7	&	&	CCONJ
ajst-30934	103	8	technology	technology	NOUN
ajst-30934	103	9	,	,	PUNCT
ajst-30934	103	10	18(2	18(2	NUM
ajst-30934	103	11	)	)	PUNCT
ajst-30934	103	12	,	,	PUNCT
ajst-30934	103	13	182–186	182–186	NUM
ajst-30934	103	14	[	[	SYM
ajst-30934	103	15	5	5	NUM
ajst-30934	103	16	]	]	X
ajst-30934	103	17	liu	liu	PROPN
ajst-30934	103	18	,	,	PUNCT
ajst-30934	103	19	l.	l.	PROPN
ajst-30934	103	20	(	(	PUNCT
ajst-30934	103	21	2007	2007	NUM
ajst-30934	103	22	)	)	PUNCT
ajst-30934	103	23	.	.	PUNCT
ajst-30934	104	1	relief	relief	NOUN
ajst-30934	104	2	gas	gas	NOUN
ajst-30934	104	3	drainage	drainage	NOUN
ajst-30934	104	4	technology	technology	NOUN
ajst-30934	104	5	during	during	ADP
ajst-30934	104	6	distant	distant	ADJ
ajst-30934	104	7	under	under	NOUN
ajst-30934	104	8	-	-	PUNCT
ajst-30934	104	9	protect	protect	NOUN
ajst-30934	104	10	seam	seam	NOUN
ajst-30934	104	11	mining	mining	NOUN
ajst-30934	104	12	.	.	PUNCT
ajst-30934	105	1	mining	mining	NOUN
ajst-30934	105	2	safety	safety	PROPN
ajst-30934	105	3	&	&	CCONJ
ajst-30934	105	4	environmental	environmental	PROPN
ajst-30934	105	5	protection	protection	PROPN
ajst-30934	105	6	,	,	PUNCT
ajst-30934	105	7	34(6	34(6	NOUN
ajst-30934	105	8	)	)	PUNCT
ajst-30934	105	9	,	,	PUNCT
ajst-30934	105	10	45–47	45–47	NUM
ajst-30934	105	11	.	.	PUNCT
ajst-30934	106	1	[	[	X
ajst-30934	106	2	6	6	NUM
ajst-30934	106	3	]	]	SYM
ajst-30934	106	4	yu	yu	PROPN
ajst-30934	106	5	,	,	PUNCT
ajst-30934	106	6	q.	q.	PROPN
ajst-30934	106	7	x.	x.	PROPN
ajst-30934	106	8	(	(	PUNCT
ajst-30934	106	9	1992	1992	NUM
ajst-30934	106	10	)	)	PUNCT
ajst-30934	106	11	.	.	PUNCT
ajst-30934	107	1	the	the	DET
ajst-30934	107	2	prevention	prevention	NOUN
ajst-30934	107	3	and	and	CCONJ
ajst-30934	107	4	control	control	NOUN
ajst-30934	107	5	of	of	ADP
ajst-30934	107	6	gas	gas	NOUN
ajst-30934	107	7	in	in	ADP
ajst-30934	107	8	coal	coal	NOUN
ajst-30934	107	9	mines	mine	NOUN
ajst-30934	107	10	.	.	PUNCT
ajst-30934	108	1	china	china	PROPN
ajst-30934	108	2	university	university	PROPN
ajst-30934	108	3	of	of	ADP
ajst-30934	108	4	mining	mining	NOUN
ajst-30934	108	5	and	and	CCONJ
ajst-30934	108	6	technology	technology	NOUN
ajst-30934	108	7	press	press	NOUN
ajst-30934	108	8	.	.	PUNCT
ajst-30934	109	1	[	[	X
ajst-30934	109	2	7	7	NUM
ajst-30934	109	3	]	]	X
ajst-30934	109	4	chen	chen	PROPN
ajst-30934	109	5	,	,	PUNCT
ajst-30934	109	6	z.	z.	PROPN
ajst-30934	109	7	,	,	PUNCT
ajst-30934	109	8	wang	wang	PROPN
ajst-30934	109	9	,	,	PUNCT
ajst-30934	109	10	b.	b.	PROPN
ajst-30934	109	11	,	,	PUNCT
ajst-30934	109	12	hao	hao	PROPN
ajst-30934	109	13	,	,	PUNCT
ajst-30934	109	14	h.	h.	PROPN
ajst-30934	109	15	,	,	PUNCT
ajst-30934	109	16	&	&	CCONJ
ajst-30934	109	17	hao	hao	PROPN
ajst-30934	109	18	,	,	PUNCT
ajst-30934	109	19	c.	c.	PROPN
ajst-30934	109	20	(	(	PUNCT
ajst-30934	109	21	year	year	NOUN
ajst-30934	109	22	)	)	PUNCT
ajst-30934	109	23	.	.	PUNCT
ajst-30934	110	1	analysis	analysis	NOUN
ajst-30934	110	2	on	on	ADP
ajst-30934	110	3	drainage	drainage	NOUN
ajst-30934	110	4	features	feature	NOUN
ajst-30934	110	5	and	and	CCONJ
ajst-30934	110	6	drainage	drainage	NOUN
ajst-30934	110	7	effect	effect	NOUN
ajst-30934	110	8	of	of	ADP
ajst-30934	110	9	coalbed	coalbe	VERB
ajst-30934	110	10	methane	methane	NOUN
ajst-30934	110	11	well	well	ADV
ajst-30934	110	12	in	in	ADP
ajst-30934	110	13	sihe	sihe	ADJ
ajst-30934	110	14	block	block	NOUN
ajst-30934	110	15	.	.	PUNCT
ajst-30934	111	1	journal	journal	PROPN
ajst-30934	111	2	of	of	ADP
ajst-30934	111	3	coal	coal	PROPN
ajst-30934	111	4	science	science	PROPN
ajst-30934	111	5	&	&	CCONJ
ajst-30934	111	6	engineering	engineering	PROPN
ajst-30934	111	7	(	(	PUNCT
ajst-30934	111	8	china	china	PROPN
ajst-30934	111	9	)	)	PUNCT
ajst-30934	111	10	.	.	PUNCT
ajst-30934	112	1	[	[	X
ajst-30934	112	2	8	8	NUM
ajst-30934	112	3	]	]	SYM
ajst-30934	112	4	deng	deng	PROPN
ajst-30934	112	5	,	,	PUNCT
ajst-30934	112	6	y.-h	y.-h	PROPN
ajst-30934	112	7	.	.	PROPN
ajst-30934	112	8	,	,	PUNCT
ajst-30934	112	9	abrahams	abrahams	PROPN
ajst-30934	112	10	,	,	PUNCT
ajst-30934	112	11	b.	b.	PROPN
ajst-30934	112	12	f.	f.	PROPN
ajst-30934	112	13	,	,	PUNCT
ajst-30934	112	14	&	&	CCONJ
ajst-30934	112	15	lang	lang	PROPN
ajst-30934	112	16	,	,	PUNCT
ajst-30934	112	17	j.-p	j.-p	PROPN
ajst-30934	112	18	.	.	PUNCT
ajst-30934	113	1	(	(	PUNCT
ajst-30934	113	2	2025	2025	NUM
ajst-30934	113	3	)	)	PUNCT
ajst-30934	113	4	.	.	PUNCT
ajst-30934	114	1	design	design	NOUN
ajst-30934	114	2	and	and	CCONJ
ajst-30934	114	3	synthesis	synthesis	NOUN
ajst-30934	114	4	of	of	ADP
ajst-30934	114	5	a	a	DET
ajst-30934	114	6	cluster	cluster	NOUN
ajst-30934	114	7	-	-	PUNCT
ajst-30934	114	8	based	base	VERB
ajst-30934	114	9	supramolecular	supramolecular	ADJ
ajst-30934	114	10	reaction	reaction	NOUN
ajst-30934	114	11	pump	pump	NOUN
ajst-30934	114	12	for	for	ADP
ajst-30934	114	13	the	the	DET
ajst-30934	114	14	efficient	efficient	ADJ
ajst-30934	114	15	catalysis	catalysis	NOUN
ajst-30934	114	16	of	of	ADP
ajst-30934	114	17	amination	amination	NOUN
ajst-30934	114	18	reactions	reaction	NOUN
ajst-30934	114	19	.	.	PUNCT
ajst-30934	115	1	journal	journal	NOUN
ajst-30934	115	2	of	of	ADP
ajst-30934	115	3	the	the	DET
ajst-30934	115	4	american	american	PROPN
ajst-30934	115	5	chemical	chemical	PROPN
ajst-30934	115	6	society	society	NOUN
ajst-30934	115	7	.	.	PUNCT