id	sid	tid	token	lemma	pos
ajst-3250	1	1	academic	academic	ADJ
ajst-3250	1	2	journal	journal	NOUN
ajst-3250	1	3	of	of	ADP
ajst-3250	1	4	science	science	NOUN
ajst-3250	1	5	and	and	CCONJ
ajst-3250	1	6	technology	technology	NOUN
ajst-3250	1	7	issn	issn	NOUN
ajst-3250	1	8	:	:	PUNCT
ajst-3250	1	9	2771	2771	NUM
ajst-3250	1	10	-	-	SYM
ajst-3250	1	11	3032	3032	NUM
ajst-3250	1	12	|	|	NOUN
ajst-3250	1	13	vol	vol	NOUN
ajst-3250	1	14	.	.	PROPN
ajst-3250	2	1	4	4	NUM
ajst-3250	2	2	,	,	PUNCT
ajst-3250	2	3	no	no	INTJ
ajst-3250	2	4	.	.	NOUN
ajst-3250	2	5	1	1	NUM
ajst-3250	2	6	,	,	PUNCT
ajst-3250	2	7	2022	2022	NUM
ajst-3250	2	8	41	41	NUM
ajst-3250	2	9	structural	structural	ADJ
ajst-3250	2	10	optimization	optimization	NOUN
ajst-3250	2	11	design	design	NOUN
ajst-3250	2	12	of	of	ADP
ajst-3250	2	13	modular	modular	ADJ
ajst-3250	2	14	double	double	ADJ
ajst-3250	2	15	drill	drill	NOUN
ajst-3250	2	16	pipe	pipe	NOUN
ajst-3250	2	17	guoqiang	guoqiang	PROPN
ajst-3250	2	18	wang1	wang1	PROPN
ajst-3250	2	19	,	,	PUNCT
ajst-3250	2	20	*	*	PROPN
ajst-3250	2	21	,	,	PUNCT
ajst-3250	2	22	liang	liang	PROPN
ajst-3250	2	23	guo1	guo1	PROPN
ajst-3250	2	24	,	,	PUNCT
ajst-3250	2	25	2	2	NUM
ajst-3250	2	26	1school	1school	NUM
ajst-3250	2	27	of	of	ADP
ajst-3250	2	28	mechatronic	mechatronic	ADJ
ajst-3250	2	29	engineering	engineering	NOUN
ajst-3250	2	30	,	,	PUNCT
ajst-3250	2	31	southwest	southwest	ADJ
ajst-3250	2	32	petroleum	petroleum	PROPN
ajst-3250	2	33	university	university	PROPN
ajst-3250	2	34	,	,	PUNCT
ajst-3250	2	35	chengdu	chengdu	PROPN
ajst-3250	2	36	,	,	PUNCT
ajst-3250	2	37	sichuan	sichuan	PROPN
ajst-3250	2	38	610500	610500	NUM
ajst-3250	2	39	,	,	PUNCT
ajst-3250	2	40	china	china	PROPN
ajst-3250	2	41	2sichuan	2sichuan	NUM
ajst-3250	2	42	shared	share	VERB
ajst-3250	2	43	platform	platform	NOUN
ajst-3250	2	44	for	for	ADP
ajst-3250	2	45	oil	oil	NOUN
ajst-3250	2	46	and	and	CCONJ
ajst-3250	2	47	gas	gas	NOUN
ajst-3250	2	48	equipment	equipment	NOUN
ajst-3250	2	49	technology	technology	NOUN
ajst-3250	2	50	,	,	PUNCT
ajst-3250	2	51	chengdu	chengdu	PROPN
ajst-3250	2	52	,	,	PUNCT
ajst-3250	2	53	sichuan	sichuan	PROPN
ajst-3250	2	54	610500	610500	NUM
ajst-3250	2	55	,	,	PUNCT
ajst-3250	2	56	china	china	PROPN
ajst-3250	2	57	*	*	PUNCT
ajst-3250	2	58	corresponding	correspond	VERB
ajst-3250	2	59	author	author	NOUN
ajst-3250	2	60	:	:	PUNCT
ajst-3250	2	61	guoqiang	guoqiang	PROPN
ajst-3250	2	62	wang	wang	PROPN
ajst-3250	2	63	abstract	abstract	PROPN
ajst-3250	2	64	:	:	PUNCT
ajst-3250	2	65	aiming	aim	VERB
ajst-3250	2	66	at	at	ADP
ajst-3250	2	67	many	many	ADJ
ajst-3250	2	68	drilling	drilling	NOUN
ajst-3250	2	69	blocks	block	NOUN
ajst-3250	2	70	with	with	ADP
ajst-3250	2	71	pore	pore	ADJ
ajst-3250	2	72	pressure	pressure	NOUN
ajst-3250	2	73	coefficient	coefficient	NOUN
ajst-3250	2	74	�	�	PROPN
ajst-3250	2	75	1.05	1.05	NUM
ajst-3250	2	76	in	in	ADP
ajst-3250	2	77	china	china	PROPN
ajst-3250	2	78	(	(	PUNCT
ajst-3250	2	79	shale	shale	NOUN
ajst-3250	2	80	gas	gas	NOUN
ajst-3250	2	81	surface	surface	NOUN
ajst-3250	2	82	layers	layer	NOUN
ajst-3250	2	83	in	in	ADP
ajst-3250	2	84	tarim	tarim	PROPN
ajst-3250	2	85	basin	basin	PROPN
ajst-3250	2	86	and	and	CCONJ
ajst-3250	2	87	sichuan	sichuan	PROPN
ajst-3250	2	88	basin	basin	PROPN
ajst-3250	2	89	,	,	PUNCT
ajst-3250	2	90	depletion	depletion	NOUN
ajst-3250	2	91	of	of	ADP
ajst-3250	2	92	reservoirs	reservoir	NOUN
ajst-3250	2	93	and	and	CCONJ
ajst-3250	2	94	gas	gas	NOUN
ajst-3250	2	95	reservoirs	reservoir	NOUN
ajst-3250	2	96	in	in	ADP
ajst-3250	2	97	developed	develop	VERB
ajst-3250	2	98	oil	oil	NOUN
ajst-3250	2	99	and	and	CCONJ
ajst-3250	2	100	gas	gas	NOUN
ajst-3250	2	101	fields	field	NOUN
ajst-3250	2	102	in	in	ADP
ajst-3250	2	103	china	china	PROPN
ajst-3250	2	104	)	)	PUNCT
ajst-3250	2	105	,	,	PUNCT
ajst-3250	2	106	the	the	DET
ajst-3250	2	107	narrow	narrow	ADJ
ajst-3250	2	108	window	window	NOUN
ajst-3250	2	109	of	of	ADP
ajst-3250	2	110	drilling	drill	VERB
ajst-3250	2	111	fluid	fluid	ADJ
ajst-3250	2	112	density	density	NOUN
ajst-3250	2	113	in	in	ADP
ajst-3250	2	114	such	such	ADJ
ajst-3250	2	115	blocks	block	NOUN
ajst-3250	2	116	will	will	AUX
ajst-3250	2	117	directly	directly	ADV
ajst-3250	2	118	lead	lead	VERB
ajst-3250	2	119	to	to	ADP
ajst-3250	2	120	wellbore	wellbore	VERB
ajst-3250	2	121	instability	instability	NOUN
ajst-3250	2	122	,	,	PUNCT
ajst-3250	2	123	difficulty	difficulty	NOUN
ajst-3250	2	124	in	in	ADP
ajst-3250	2	125	carrying	carry	VERB
ajst-3250	2	126	rock	rock	NOUN
ajst-3250	2	127	debris	debris	NOUN
ajst-3250	2	128	and	and	CCONJ
ajst-3250	2	129	serious	serious	ADJ
ajst-3250	2	130	formation	formation	NOUN
ajst-3250	2	131	losses	loss	NOUN
ajst-3250	2	132	.	.	PUNCT
ajst-3250	3	1	in	in	ADP
ajst-3250	3	2	order	order	NOUN
ajst-3250	3	3	to	to	PART
ajst-3250	3	4	control	control	VERB
ajst-3250	3	5	the	the	DET
ajst-3250	3	6	fluctuation	fluctuation	NOUN
ajst-3250	3	7	range	range	NOUN
ajst-3250	3	8	of	of	ADP
ajst-3250	3	9	formation	formation	NOUN
ajst-3250	3	10	pressure	pressure	NOUN
ajst-3250	3	11	,	,	PUNCT
ajst-3250	3	12	on	on	ADP
ajst-3250	3	13	the	the	DET
ajst-3250	3	14	basis	basis	NOUN
ajst-3250	3	15	of	of	ADP
ajst-3250	3	16	conventional	conventional	ADJ
ajst-3250	3	17	managed	manage	VERB
ajst-3250	3	18	pressure	pressure	NOUN
ajst-3250	3	19	drilling	drilling	NOUN
ajst-3250	3	20	technology	technology	NOUN
ajst-3250	3	21	,	,	PUNCT
ajst-3250	3	22	gas	gas	NOUN
ajst-3250	3	23	lift	lift	VERB
ajst-3250	3	24	positive	positive	ADJ
ajst-3250	3	25	circulation	circulation	NOUN
ajst-3250	3	26	drilling	drill	VERB
ajst-3250	3	27	technology	technology	NOUN
ajst-3250	3	28	and	and	CCONJ
ajst-3250	3	29	marine	marine	ADJ
ajst-3250	3	30	double	double	ADJ
ajst-3250	3	31	gradient	gradient	NOUN
ajst-3250	3	32	drilling	drilling	NOUN
ajst-3250	3	33	technology	technology	NOUN
ajst-3250	3	34	are	be	AUX
ajst-3250	3	35	integrated	integrate	VERB
ajst-3250	3	36	to	to	PART
ajst-3250	3	37	form	form	VERB
ajst-3250	3	38	gas	gas	NOUN
ajst-3250	3	39	lift	lift	NOUN
ajst-3250	3	40	positive	positive	ADJ
ajst-3250	3	41	circulation	circulation	NOUN
ajst-3250	3	42	drilling	drilling	NOUN
ajst-3250	3	43	technology	technology	NOUN
ajst-3250	3	44	.	.	PUNCT
ajst-3250	4	1	the	the	DET
ajst-3250	4	2	double	double	ADJ
ajst-3250	4	3	drill	drill	NOUN
ajst-3250	4	4	pipe	pipe	NOUN
ajst-3250	4	5	is	be	AUX
ajst-3250	4	6	one	one	NUM
ajst-3250	4	7	of	of	ADP
ajst-3250	4	8	the	the	DET
ajst-3250	4	9	key	key	ADJ
ajst-3250	4	10	equipment	equipment	NOUN
ajst-3250	4	11	to	to	PART
ajst-3250	4	12	realize	realize	VERB
ajst-3250	4	13	the	the	DET
ajst-3250	4	14	above	above	ADJ
ajst-3250	4	15	drilling	drilling	NOUN
ajst-3250	4	16	technology	technology	NOUN
ajst-3250	4	17	.	.	PUNCT
ajst-3250	5	1	under	under	ADP
ajst-3250	5	2	this	this	DET
ajst-3250	5	3	background	background	NOUN
ajst-3250	5	4	,	,	PUNCT
ajst-3250	5	5	a	a	DET
ajst-3250	5	6	double	double	ADJ
ajst-3250	5	7	drill	drill	NOUN
ajst-3250	5	8	pipe	pipe	NOUN
ajst-3250	5	9	for	for	ADP
ajst-3250	5	10	gas	gas	NOUN
ajst-3250	5	11	lift	lift	NOUN
ajst-3250	5	12	positive	positive	ADJ
ajst-3250	5	13	circulation	circulation	NOUN
ajst-3250	5	14	drilling	drilling	NOUN
ajst-3250	5	15	technology	technology	NOUN
ajst-3250	5	16	is	be	AUX
ajst-3250	5	17	designed	design	VERB
ajst-3250	5	18	.	.	PUNCT
ajst-3250	6	1	in	in	ADP
ajst-3250	6	2	this	this	DET
ajst-3250	6	3	paper	paper	NOUN
ajst-3250	6	4	,	,	PUNCT
ajst-3250	6	5	the	the	DET
ajst-3250	6	6	key	key	ADJ
ajst-3250	6	7	equipment	equipment	NOUN
ajst-3250	6	8	of	of	ADP
ajst-3250	6	9	gas	gas	NOUN
ajst-3250	6	10	lift	lift	NOUN
ajst-3250	6	11	positive	positive	ADJ
ajst-3250	6	12	circulation	circulation	NOUN
ajst-3250	6	13	drilling	drilling	NOUN
ajst-3250	6	14	technology	technology	NOUN
ajst-3250	6	15	is	be	AUX
ajst-3250	6	16	analyzed	analyze	VERB
ajst-3250	6	17	and	and	CCONJ
ajst-3250	6	18	its	its	PRON
ajst-3250	6	19	structure	structure	NOUN
ajst-3250	6	20	is	be	AUX
ajst-3250	6	21	optimized	optimize	VERB
ajst-3250	6	22	.	.	PUNCT
ajst-3250	7	1	keywords	keyword	NOUN
ajst-3250	7	2	:	:	PUNCT
ajst-3250	7	3	gas	gas	NOUN
ajst-3250	7	4	lift	lift	NOUN
ajst-3250	7	5	positive	positive	ADJ
ajst-3250	7	6	circulation	circulation	NOUN
ajst-3250	7	7	drilling	drilling	NOUN
ajst-3250	7	8	technology	technology	NOUN
ajst-3250	7	9	,	,	PUNCT
ajst-3250	7	10	double	double	ADJ
ajst-3250	7	11	drill	drill	NOUN
ajst-3250	7	12	pipe	pipe	NOUN
ajst-3250	7	13	,	,	PUNCT
ajst-3250	7	14	technical	technical	ADJ
ajst-3250	7	15	analysis	analysis	NOUN
ajst-3250	7	16	,	,	PUNCT
ajst-3250	7	17	structural	structural	ADJ
ajst-3250	7	18	optimization	optimization	NOUN
ajst-3250	7	19	,	,	PUNCT
ajst-3250	7	20	application	application	NOUN
ajst-3250	7	21	trends	trend	NOUN
ajst-3250	7	22	.	.	PUNCT
ajst-3250	8	1	1	1	X
ajst-3250	8	2	.	.	X
ajst-3250	8	3	introduction	introduction	NOUN
ajst-3250	8	4	gas	gas	NOUN
ajst-3250	8	5	lift	lift	NOUN
ajst-3250	8	6	positive	positive	ADJ
ajst-3250	8	7	circulation	circulation	NOUN
ajst-3250	8	8	drilling	drilling	NOUN
ajst-3250	8	9	technology	technology	NOUN
ajst-3250	8	10	is	be	AUX
ajst-3250	8	11	a	a	DET
ajst-3250	8	12	method	method	NOUN
ajst-3250	8	13	of	of	ADP
ajst-3250	8	14	gas	gas	NOUN
ajst-3250	8	15	lift	lift	NOUN
ajst-3250	8	16	drilling	drill	VERB
ajst-3250	8	17	by	by	ADP
ajst-3250	8	18	using	use	VERB
ajst-3250	8	19	double	double	ADJ
ajst-3250	8	20	drill	drill	NOUN
ajst-3250	8	21	pipe	pipe	NOUN
ajst-3250	8	22	and	and	CCONJ
ajst-3250	8	23	other	other	ADJ
ajst-3250	8	24	auxiliary	auxiliary	ADJ
ajst-3250	8	25	drilling	drilling	NOUN
ajst-3250	8	26	equipment	equipment	NOUN
ajst-3250	8	27	.	.	PUNCT
ajst-3250	9	1	the	the	DET
ajst-3250	9	2	annular	annular	ADJ
ajst-3250	9	3	space	space	NOUN
ajst-3250	9	4	formed	form	VERB
ajst-3250	9	5	by	by	ADP
ajst-3250	9	6	the	the	DET
ajst-3250	9	7	inner	inner	ADJ
ajst-3250	9	8	and	and	CCONJ
ajst-3250	9	9	outer	outer	ADJ
ajst-3250	9	10	pipe	pipe	NOUN
ajst-3250	9	11	of	of	ADP
ajst-3250	9	12	the	the	DET
ajst-3250	9	13	double	double	ADJ
ajst-3250	9	14	drill	drill	NOUN
ajst-3250	9	15	pipe	pipe	NOUN
ajst-3250	9	16	provides	provide	VERB
ajst-3250	9	17	another	another	DET
ajst-3250	9	18	channel	channel	NOUN
ajst-3250	9	19	for	for	ADP
ajst-3250	9	20	fluid	fluid	ADJ
ajst-3250	9	21	flow	flow	NOUN
ajst-3250	9	22	,	,	PUNCT
ajst-3250	9	23	which	which	PRON
ajst-3250	9	24	can	can	AUX
ajst-3250	9	25	be	be	AUX
ajst-3250	9	26	used	use	VERB
ajst-3250	9	27	either	either	CCONJ
ajst-3250	9	28	as	as	ADP
ajst-3250	9	29	a	a	DET
ajst-3250	9	30	drilling	drilling	NOUN
ajst-3250	9	31	fluid	fluid	NOUN
ajst-3250	9	32	or	or	CCONJ
ajst-3250	9	33	air	air	NOUN
ajst-3250	9	34	injection	injection	NOUN
ajst-3250	9	35	channel	channel	NOUN
ajst-3250	9	36	or	or	CCONJ
ajst-3250	9	37	as	as	ADP
ajst-3250	9	38	a	a	DET
ajst-3250	9	39	central	central	ADJ
ajst-3250	9	40	pipe	pipe	NOUN
ajst-3250	9	41	for	for	ADP
ajst-3250	9	42	drilling	drill	VERB
ajst-3250	9	43	fluid	fluid	NOUN
ajst-3250	9	44	or	or	CCONJ
ajst-3250	9	45	air	air	NOUN
ajst-3250	9	46	injection	injection	NOUN
ajst-3250	9	47	channel	channel	NOUN
ajst-3250	9	48	.	.	PUNCT
ajst-3250	10	1	it	it	PRON
ajst-3250	10	2	can	can	AUX
ajst-3250	10	3	also	also	ADV
ajst-3250	10	4	be	be	AUX
ajst-3250	10	5	used	use	VERB
ajst-3250	10	6	in	in	ADP
ajst-3250	10	7	reverse	reverse	ADJ
ajst-3250	10	8	circulation	circulation	NOUN
ajst-3250	10	9	drilling	drilling	NOUN
ajst-3250	10	10	,	,	PUNCT
ajst-3250	10	11	where	where	SCONJ
ajst-3250	10	12	drilling	drilling	NOUN
ajst-3250	10	13	fluid	fluid	NOUN
ajst-3250	10	14	is	be	AUX
ajst-3250	10	15	circulated	circulate	VERB
ajst-3250	10	16	to	to	ADP
ajst-3250	10	17	the	the	DET
ajst-3250	10	18	surface	surface	NOUN
ajst-3250	10	19	through	through	ADP
ajst-3250	10	20	the	the	DET
ajst-3250	10	21	inner	inner	ADJ
ajst-3250	10	22	pipe	pipe	NOUN
ajst-3250	10	23	of	of	ADP
ajst-3250	10	24	the	the	DET
ajst-3250	10	25	double	double	ADJ
ajst-3250	10	26	drill	drill	NOUN
ajst-3250	10	27	pipe	pipe	NOUN
ajst-3250	10	28	.	.	PUNCT
ajst-3250	11	1	therefore	therefore	ADV
ajst-3250	11	2	,	,	PUNCT
ajst-3250	11	3	the	the	DET
ajst-3250	11	4	double	double	ADJ
ajst-3250	11	5	-	-	PUNCT
ajst-3250	11	6	pipe	pipe	NOUN
ajst-3250	11	7	drilling	drilling	NOUN
ajst-3250	11	8	method	method	NOUN
ajst-3250	11	9	can	can	AUX
ajst-3250	11	10	be	be	AUX
ajst-3250	11	11	applied	apply	VERB
ajst-3250	11	12	to	to	ADP
ajst-3250	11	13	a	a	DET
ajst-3250	11	14	variety	variety	NOUN
ajst-3250	11	15	of	of	ADP
ajst-3250	11	16	drilling	drilling	NOUN
ajst-3250	11	17	environments	environment	NOUN
ajst-3250	11	18	,	,	PUNCT
ajst-3250	11	19	and	and	CCONJ
ajst-3250	11	20	both	both	DET
ajst-3250	11	21	positive	positive	ADJ
ajst-3250	11	22	circulation	circulation	NOUN
ajst-3250	11	23	and	and	CCONJ
ajst-3250	11	24	reverse	reverse	ADJ
ajst-3250	11	25	circulation	circulation	NOUN
ajst-3250	11	26	can	can	AUX
ajst-3250	11	27	be	be	AUX
ajst-3250	11	28	carried	carry	VERB
ajst-3250	11	29	out	out	ADP
ajst-3250	11	30	[	[	PUNCT
ajst-3250	11	31	1	1	NUM
ajst-3250	11	32	-	-	SYM
ajst-3250	11	33	2	2	NUM
ajst-3250	11	34	]	]	PUNCT
ajst-3250	11	35	.	.	PUNCT
ajst-3250	12	1	in	in	ADP
ajst-3250	12	2	view	view	NOUN
ajst-3250	12	3	of	of	ADP
ajst-3250	12	4	the	the	DET
ajst-3250	12	5	research	research	NOUN
ajst-3250	12	6	on	on	ADP
ajst-3250	12	7	double	double	ADJ
ajst-3250	12	8	-	-	PUNCT
ajst-3250	12	9	pipe	pipe	NOUN
ajst-3250	12	10	drilling	drilling	NOUN
ajst-3250	12	11	,	,	PUNCT
ajst-3250	12	12	domestic	domestic	ADJ
ajst-3250	12	13	and	and	CCONJ
ajst-3250	12	14	foreign	foreign	ADJ
ajst-3250	12	15	oil	oil	NOUN
ajst-3250	12	16	companies	company	NOUN
ajst-3250	12	17	and	and	CCONJ
ajst-3250	12	18	scholars	scholar	NOUN
ajst-3250	12	19	have	have	AUX
ajst-3250	12	20	carried	carry	VERB
ajst-3250	12	21	out	out	ADP
ajst-3250	12	22	research	research	NOUN
ajst-3250	12	23	and	and	CCONJ
ajst-3250	12	24	practice	practice	NOUN
ajst-3250	12	25	on	on	ADP
ajst-3250	12	26	a	a	DET
ajst-3250	12	27	certain	certain	ADJ
ajst-3250	12	28	type	type	NOUN
ajst-3250	12	29	of	of	ADP
ajst-3250	12	30	drilling	drilling	NOUN
ajst-3250	12	31	method	method	NOUN
ajst-3250	12	32	and	and	CCONJ
ajst-3250	12	33	supporting	support	VERB
ajst-3250	12	34	equipment	equipment	NOUN
ajst-3250	12	35	.	.	PUNCT
ajst-3250	13	1	in	in	ADP
ajst-3250	13	2	2002	2002	NUM
ajst-3250	13	3	,	,	PUNCT
ajst-3250	13	4	k2	k2	ADJ
ajst-3250	13	5	energy	energy	NOUN
ajst-3250	13	6	,	,	PUNCT
ajst-3250	13	7	a	a	DET
ajst-3250	13	8	canadian	canadian	ADJ
ajst-3250	13	9	company	company	NOUN
ajst-3250	13	10	,	,	PUNCT
ajst-3250	13	11	successfully	successfully	ADV
ajst-3250	13	12	applied	apply	VERB
ajst-3250	13	13	the	the	DET
ajst-3250	13	14	double	double	ADJ
ajst-3250	13	15	-	-	PUNCT
ajst-3250	13	16	wall	wall	NOUN
ajst-3250	13	17	drillpipe	drillpipe	NOUN
ajst-3250	13	18	reverse	reverse	ADJ
ajst-3250	13	19	circulation	circulation	NOUN
ajst-3250	13	20	drilling	drilling	NOUN
ajst-3250	13	21	technique	technique	NOUN
ajst-3250	13	22	to	to	ADP
ajst-3250	13	23	two	two	NUM
ajst-3250	13	24	experimental	experimental	ADJ
ajst-3250	13	25	wells	well	NOUN
ajst-3250	13	26	in	in	ADP
ajst-3250	13	27	the	the	DET
ajst-3250	13	28	underpressure	underpressure	NOUN
ajst-3250	13	29	bow	bow	VERB
ajst-3250	13	30	island	island	NOUN
ajst-3250	13	31	formation	formation	NOUN
ajst-3250	13	32	in	in	ADP
ajst-3250	13	33	northern	northern	ADJ
ajst-3250	13	34	montana	montana	PROPN
ajst-3250	13	35	,	,	PUNCT
ajst-3250	13	36	and	and	CCONJ
ajst-3250	13	37	obtained	obtain	VERB
ajst-3250	13	38	hydrocarbon	hydrocarbon	NOUN
ajst-3250	13	39	displays	display	NOUN
ajst-3250	13	40	[	[	X
ajst-3250	13	41	3	3	NUM
ajst-3250	13	42	]	]	PUNCT
ajst-3250	13	43	.	.	PUNCT
ajst-3250	14	1	canadian	canadian	ADJ
ajst-3250	14	2	company	company	NOUN
ajst-3250	14	3	presssol	presssol	NOUN
ajst-3250	14	4	[	[	X
ajst-3250	14	5	4	4	X
ajst-3250	14	6	]	]	PUNCT
ajst-3250	14	7	patented	patent	VERB
ajst-3250	14	8	a	a	DET
ajst-3250	14	9	double	double	ADJ
ajst-3250	14	10	-	-	PUNCT
ajst-3250	14	11	walled	walled	ADJ
ajst-3250	14	12	rod	rod	NOUN
ajst-3250	14	13	drilling	drilling	NOUN
ajst-3250	14	14	system	system	NOUN
ajst-3250	14	15	in	in	ADP
ajst-3250	14	16	2003	2003	NUM
ajst-3250	14	17	and	and	CCONJ
ajst-3250	14	18	applied	apply	VERB
ajst-3250	14	19	this	this	DET
ajst-3250	14	20	technology	technology	NOUN
ajst-3250	14	21	to	to	ADP
ajst-3250	14	22	oil	oil	NOUN
ajst-3250	14	23	and	and	CCONJ
ajst-3250	14	24	gas	gas	NOUN
ajst-3250	14	25	drilling	drilling	NOUN
ajst-3250	14	26	.	.	PUNCT
ajst-3250	15	1	since	since	SCONJ
ajst-3250	15	2	the	the	DET
ajst-3250	15	3	drilling	drilling	NOUN
ajst-3250	15	4	fluid	fluid	NOUN
ajst-3250	15	5	carrying	carry	VERB
ajst-3250	15	6	cuttings	cutting	NOUN
ajst-3250	15	7	is	be	AUX
ajst-3250	15	8	returned	return	VERB
ajst-3250	15	9	from	from	ADP
ajst-3250	15	10	the	the	DET
ajst-3250	15	11	inner	inner	ADJ
ajst-3250	15	12	pipe	pipe	NOUN
ajst-3250	15	13	of	of	ADP
ajst-3250	15	14	the	the	DET
ajst-3250	15	15	drill	drill	NOUN
ajst-3250	15	16	pipe	pipe	NOUN
ajst-3250	15	17	,	,	PUNCT
ajst-3250	15	18	the	the	DET
ajst-3250	15	19	drilling	drilling	NOUN
ajst-3250	15	20	fluid	fluid	NOUN
ajst-3250	15	21	can	can	AUX
ajst-3250	15	22	avoid	avoid	VERB
ajst-3250	15	23	damage	damage	NOUN
ajst-3250	15	24	to	to	ADP
ajst-3250	15	25	the	the	DET
ajst-3250	15	26	oil	oil	NOUN
ajst-3250	15	27	and	and	CCONJ
ajst-3250	15	28	gas	gas	NOUN
ajst-3250	15	29	formation	formation	NOUN
ajst-3250	15	30	.	.	PUNCT
ajst-3250	16	1	reel	reel	NOUN
ajst-3250	16	2	well	well	ADV
ajst-3250	16	3	drilling	drilling	NOUN
ajst-3250	16	4	technology	technology	NOUN
ajst-3250	17	1	[	[	X
ajst-3250	17	2	5	5	NUM
ajst-3250	17	3	-	-	SYM
ajst-3250	17	4	6	6	NUM
ajst-3250	17	5	]	]	PUNCT
ajst-3250	17	6	was	be	AUX
ajst-3250	17	7	developed	develop	VERB
ajst-3250	17	8	in	in	ADP
ajst-3250	17	9	2004	2004	NUM
ajst-3250	17	10	.	.	PUNCT
ajst-3250	18	1	statoil	statoil	PROPN
ajst-3250	18	2	and	and	CCONJ
ajst-3250	18	3	the	the	DET
ajst-3250	18	4	scientific	scientific	ADJ
ajst-3250	18	5	research	research	NOUN
ajst-3250	18	6	council	council	PROPN
ajst-3250	18	7	of	of	ADP
ajst-3250	18	8	norway	norway	PROPN
ajst-3250	18	9	carried	carry	VERB
ajst-3250	18	10	out	out	ADP
ajst-3250	18	11	theoretical	theoretical	ADJ
ajst-3250	18	12	research	research	NOUN
ajst-3250	18	13	on	on	ADP
ajst-3250	18	14	the	the	DET
ajst-3250	18	15	technology	technology	NOUN
ajst-3250	18	16	,	,	PUNCT
ajst-3250	18	17	research	research	NOUN
ajst-3250	18	18	and	and	CCONJ
ajst-3250	18	19	testing	testing	NOUN
ajst-3250	18	20	of	of	ADP
ajst-3250	18	21	supporting	support	VERB
ajst-3250	18	22	equipment	equipment	NOUN
ajst-3250	18	23	,	,	PUNCT
ajst-3250	18	24	and	and	CCONJ
ajst-3250	18	25	started	start	VERB
ajst-3250	18	26	field	field	NOUN
ajst-3250	18	27	feasibility	feasibility	NOUN
ajst-3250	18	28	research	research	NOUN
ajst-3250	18	29	on	on	ADP
ajst-3250	18	30	the	the	DET
ajst-3250	18	31	technology	technology	NOUN
ajst-3250	18	32	in	in	ADP
ajst-3250	18	33	2005	2005	NUM
ajst-3250	18	34	.	.	PUNCT
ajst-3250	19	1	drilling	drill	VERB
ajst-3250	19	2	a	a	DET
ajst-3250	19	3	shallow	shallow	ADJ
ajst-3250	19	4	horizontal	horizontal	ADJ
ajst-3250	19	5	well	well	ADV
ajst-3250	19	6	with	with	ADP
ajst-3250	19	7	two	two	NUM
ajst-3250	19	8	-	-	PUNCT
ajst-3250	19	9	channel	channel	NOUN
ajst-3250	19	10	drill	drill	NOUN
ajst-3250	19	11	pipe	pipe	NOUN
ajst-3250	19	12	offshore	offshore	ADJ
ajst-3250	19	13	norway	norway	PROPN
ajst-3250	19	14	demonstrated	demonstrate	VERB
ajst-3250	19	15	the	the	DET
ajst-3250	19	16	ability	ability	NOUN
ajst-3250	19	17	of	of	ADP
ajst-3250	19	18	the	the	DET
ajst-3250	19	19	rdm	rdm	PROPN
ajst-3250	19	20	method	method	NOUN
ajst-3250	19	21	to	to	PART
ajst-3250	19	22	achieve	achieve	VERB
ajst-3250	19	23	a	a	DET
ajst-3250	19	24	constant	constant	ADJ
ajst-3250	19	25	downhole	downhole	NOUN
ajst-3250	19	26	pressure	pressure	NOUN
ajst-3250	19	27	gradient	gradient	NOUN
ajst-3250	20	1	[	[	X
ajst-3250	20	2	7	7	NUM
ajst-3250	20	3	-	-	SYM
ajst-3250	20	4	8	8	NUM
ajst-3250	20	5	]	]	PUNCT
ajst-3250	20	6	.	.	PUNCT
ajst-3250	21	1	in	in	ADP
ajst-3250	21	2	2006	2006	NUM
ajst-3250	21	3	,	,	PUNCT
ajst-3250	21	4	liaohe	liaohe	VERB
ajst-3250	21	5	petroleum	petroleum	NOUN
ajst-3250	21	6	exploration	exploration	NOUN
ajst-3250	21	7	bureau	bureau	NOUN
ajst-3250	21	8	in	in	ADP
ajst-3250	21	9	china	china	PROPN
ajst-3250	21	10	applied	apply	VERB
ajst-3250	21	11	for	for	ADP
ajst-3250	21	12	a	a	DET
ajst-3250	21	13	patent	patent	NOUN
ajst-3250	21	14	-doublewall	-doublewall	NOUN
ajst-3250	21	15	drilling	drilling	NOUN
ajst-3250	21	16	pipe	pipe	NOUN
ajst-3250	21	17	low	low	ADJ
ajst-3250	21	18	-	-	PUNCT
ajst-3250	21	19	pressure	pressure	NOUN
ajst-3250	21	20	drilling	drilling	NOUN
ajst-3250	21	21	technology	technology	NOUN
ajst-3250	22	1	[	[	X
ajst-3250	22	2	9	9	NUM
ajst-3250	22	3	]	]	PUNCT
ajst-3250	22	4	.	.	PUNCT
ajst-3250	23	1	this	this	DET
ajst-3250	23	2	drilling	drilling	NOUN
ajst-3250	23	3	method	method	NOUN
ajst-3250	23	4	uses	use	VERB
ajst-3250	23	5	air	air	NOUN
ajst-3250	23	6	hammer	hammer	NOUN
ajst-3250	23	7	or	or	CCONJ
ajst-3250	23	8	drill	drill	NOUN
ajst-3250	23	9	bit	bit	NOUN
ajst-3250	23	10	at	at	ADP
ajst-3250	23	11	the	the	DET
ajst-3250	23	12	lower	low	ADJ
ajst-3250	23	13	end	end	NOUN
ajst-3250	23	14	of	of	ADP
ajst-3250	23	15	concentric	concentric	ADJ
ajst-3250	23	16	double	double	ADJ
ajst-3250	23	17	-	-	PUNCT
ajst-3250	23	18	wall	wall	NOUN
ajst-3250	23	19	drilling	drilling	NOUN
ajst-3250	23	20	string	string	NOUN
ajst-3250	23	21	to	to	PART
ajst-3250	23	22	drill	drill	VERB
ajst-3250	23	23	,	,	PUNCT
ajst-3250	23	24	and	and	CCONJ
ajst-3250	23	25	has	have	AUX
ajst-3250	23	26	been	be	AUX
ajst-3250	23	27	applied	apply	VERB
ajst-3250	23	28	in	in	ADP
ajst-3250	23	29	many	many	ADJ
ajst-3250	23	30	domestic	domestic	ADJ
ajst-3250	23	31	oil	oil	NOUN
ajst-3250	23	32	fields	field	NOUN
ajst-3250	23	33	.	.	PUNCT
ajst-3250	24	1	hebei	hebei	PROPN
ajst-3250	24	2	shitan	shitan	PROPN
ajst-3250	24	3	machinery	machinery	PROPN
ajst-3250	24	4	manufacturing	manufacturing	PROPN
ajst-3250	24	5	co.	co.	PROPN
ajst-3250	24	6	,	,	PUNCT
ajst-3250	24	7	ltd	ltd	PROPN
ajst-3250	24	8	.	.	PUNCT
ajst-3250	25	1	[	[	X
ajst-3250	25	2	10	10	NUM
ajst-3250	25	3	]	]	PUNCT
ajst-3250	25	4	developed	develop	VERB
ajst-3250	25	5	and	and	CCONJ
ajst-3250	25	6	designed	design	VERB
ajst-3250	25	7	a	a	DET
ajst-3250	25	8	gaslift	gaslift	NOUN
ajst-3250	25	9	reverse	reverse	NOUN
ajst-3250	25	10	circulation	circulation	NOUN
ajst-3250	25	11	double	double	ADJ
ajst-3250	25	12	-	-	PUNCT
ajst-3250	25	13	wall	wall	NOUN
ajst-3250	25	14	drill	drill	NOUN
ajst-3250	25	15	pipe	pipe	NOUN
ajst-3250	25	16	in	in	ADP
ajst-3250	25	17	2013	2013	NUM
ajst-3250	25	18	,	,	PUNCT
ajst-3250	25	19	which	which	PRON
ajst-3250	25	20	was	be	AUX
ajst-3250	25	21	applied	apply	VERB
ajst-3250	25	22	to	to	ADP
ajst-3250	25	23	geothermal	geothermal	ADJ
ajst-3250	25	24	wells	well	NOUN
ajst-3250	25	25	,	,	PUNCT
ajst-3250	25	26	shale	shale	NOUN
ajst-3250	25	27	gas	gas	NOUN
ajst-3250	25	28	wells	well	NOUN
ajst-3250	25	29	and	and	CCONJ
ajst-3250	25	30	coalbed	coalbe	VERB
ajst-3250	25	31	methane	methane	NOUN
ajst-3250	25	32	wells	well	NOUN
ajst-3250	25	33	.	.	PUNCT
ajst-3250	26	1	in	in	ADP
ajst-3250	26	2	2015	2015	NUM
ajst-3250	26	3	,	,	PUNCT
ajst-3250	26	4	li	li	PROPN
ajst-3250	26	5	yuanling	yuanle	VERB
ajst-3250	26	6	et	et	PROPN
ajst-3250	26	7	al	al	PROPN
ajst-3250	26	8	.	.	PUNCT
ajst-3250	27	1	[	[	X
ajst-3250	27	2	11	11	NUM
ajst-3250	27	3	]	]	PUNCT
ajst-3250	27	4	studied	study	VERB
ajst-3250	27	5	the	the	DET
ajst-3250	27	6	gas	gas	NOUN
ajst-3250	27	7	reverse	reverse	NOUN
ajst-3250	27	8	circulation	circulation	NOUN
ajst-3250	27	9	drilling	drilling	NOUN
ajst-3250	27	10	technology	technology	NOUN
ajst-3250	27	11	of	of	ADP
ajst-3250	27	12	double	double	ADJ
ajst-3250	27	13	-	-	PUNCT
ajst-3250	27	14	wall	wall	NOUN
ajst-3250	27	15	drill	drill	NOUN
ajst-3250	27	16	pipe	pipe	NOUN
ajst-3250	27	17	and	and	CCONJ
ajst-3250	27	18	successfully	successfully	ADV
ajst-3250	27	19	conducted	conduct	VERB
ajst-3250	27	20	tests	test	NOUN
ajst-3250	27	21	in	in	ADP
ajst-3250	27	22	oil	oil	NOUN
ajst-3250	27	23	and	and	CCONJ
ajst-3250	27	24	gas	gas	NOUN
ajst-3250	27	25	drilling	drilling	NOUN
ajst-3250	27	26	projects	project	NOUN
ajst-3250	27	27	.	.	PUNCT
ajst-3250	28	1	in	in	ADP
ajst-3250	28	2	2019	2019	NUM
ajst-3250	28	3	,	,	PUNCT
ajst-3250	28	4	kang	kang	PROPN
ajst-3250	28	5	bo	bo	PROPN
ajst-3250	28	6	et	et	PROPN
ajst-3250	28	7	al	al	PROPN
ajst-3250	28	8	.	.	PROPN
ajst-3250	28	9	from	from	ADP
ajst-3250	28	10	china	china	PROPN
ajst-3250	28	11	university	university	PROPN
ajst-3250	28	12	of	of	ADP
ajst-3250	28	13	petroleum	petroleum	NOUN
ajst-3250	28	14	proposed	propose	VERB
ajst-3250	28	15	a	a	DET
ajst-3250	28	16	new	new	ADJ
ajst-3250	28	17	leak	leak	NOUN
ajst-3250	28	18	-	-	PUNCT
ajst-3250	28	19	through	through	ADP
ajst-3250	28	20	drilling	drilling	NOUN
ajst-3250	28	21	technology	technology	NOUN
ajst-3250	28	22	with	with	ADP
ajst-3250	28	23	gas	gas	NOUN
ajst-3250	28	24	lift	lift	NOUN
ajst-3250	28	25	and	and	CCONJ
ajst-3250	28	26	efficient	efficient	ADJ
ajst-3250	28	27	pressure	pressure	NOUN
ajst-3250	28	28	relief	relief	NOUN
ajst-3250	28	29	[	[	X
ajst-3250	28	30	12	12	NUM
ajst-3250	28	31	-	-	SYM
ajst-3250	28	32	13	13	NUM
ajst-3250	28	33	]	]	PUNCT
ajst-3250	28	34	.	.	PUNCT
ajst-3250	29	1	at	at	ADP
ajst-3250	29	2	present	present	ADJ
ajst-3250	29	3	,	,	PUNCT
ajst-3250	29	4	there	there	PRON
ajst-3250	29	5	are	be	VERB
ajst-3250	29	6	many	many	ADJ
ajst-3250	29	7	technical	technical	ADJ
ajst-3250	29	8	problems	problem	NOUN
ajst-3250	29	9	that	that	PRON
ajst-3250	29	10	need	need	VERB
ajst-3250	29	11	to	to	PART
ajst-3250	29	12	be	be	AUX
ajst-3250	29	13	solved	solve	VERB
ajst-3250	29	14	urgently	urgently	ADV
ajst-3250	29	15	in	in	ADP
ajst-3250	29	16	domestic	domestic	ADJ
ajst-3250	29	17	double	double	ADJ
ajst-3250	29	18	-	-	PUNCT
ajst-3250	29	19	deck	deck	NOUN
ajst-3250	29	20	drill	drill	NOUN
ajst-3250	29	21	pipe	pipe	NOUN
ajst-3250	29	22	used	use	VERB
ajst-3250	29	23	in	in	ADP
ajst-3250	29	24	positive	positive	ADJ
ajst-3250	29	25	circulation	circulation	NOUN
ajst-3250	29	26	drilling	drill	VERB
ajst-3250	29	27	.	.	PUNCT
ajst-3250	30	1	therefore	therefore	ADV
ajst-3250	30	2	,	,	PUNCT
ajst-3250	30	3	aiming	aim	VERB
ajst-3250	30	4	at	at	ADP
ajst-3250	30	5	the	the	DET
ajst-3250	30	6	problems	problem	NOUN
ajst-3250	30	7	of	of	ADP
ajst-3250	30	8	poor	poor	ADJ
ajst-3250	30	9	compatibility	compatibility	NOUN
ajst-3250	30	10	and	and	CCONJ
ajst-3250	30	11	poor	poor	ADJ
ajst-3250	30	12	applicability	applicability	NOUN
ajst-3250	30	13	of	of	ADP
ajst-3250	30	14	existing	exist	VERB
ajst-3250	30	15	double	double	ADJ
ajst-3250	30	16	-	-	PUNCT
ajst-3250	30	17	wall	wall	NOUN
ajst-3250	30	18	drilling	drilling	NOUN
ajst-3250	30	19	tools	tool	NOUN
ajst-3250	30	20	,	,	PUNCT
ajst-3250	30	21	a	a	DET
ajst-3250	30	22	gas	gas	NOUN
ajst-3250	30	23	-	-	PUNCT
ajst-3250	30	24	lift	lift	NOUN
ajst-3250	30	25	positive	positive	ADJ
ajst-3250	30	26	circulation	circulation	NOUN
ajst-3250	30	27	central	central	ADJ
ajst-3250	30	28	pipe	pipe	NOUN
ajst-3250	30	29	gasinjection	gasinjection	NOUN
ajst-3250	30	30	double	double	ADJ
ajst-3250	30	31	-	-	PUNCT
ajst-3250	30	32	layer	layer	NOUN
ajst-3250	30	33	drill	drill	NOUN
ajst-3250	30	34	pipe	pipe	NOUN
ajst-3250	30	35	with	with	ADP
ajst-3250	30	36	simple	simple	ADJ
ajst-3250	30	37	structure	structure	NOUN
ajst-3250	30	38	,	,	PUNCT
ajst-3250	30	39	reliable	reliable	ADJ
ajst-3250	30	40	radial	radial	ADJ
ajst-3250	30	41	positioning	positioning	NOUN
ajst-3250	30	42	,	,	PUNCT
ajst-3250	30	43	low	low	ADJ
ajst-3250	30	44	manufacturing	manufacturing	NOUN
ajst-3250	30	45	cost	cost	NOUN
ajst-3250	30	46	and	and	CCONJ
ajst-3250	30	47	excellent	excellent	ADJ
ajst-3250	30	48	performance	performance	NOUN
ajst-3250	30	49	was	be	AUX
ajst-3250	30	50	developed	develop	VERB
ajst-3250	30	51	to	to	PART
ajst-3250	30	52	provide	provide	VERB
ajst-3250	30	53	technical	technical	ADJ
ajst-3250	30	54	support	support	NOUN
ajst-3250	30	55	for	for	ADP
ajst-3250	30	56	the	the	DET
ajst-3250	30	57	stratum	stratum	NOUN
ajst-3250	30	58	with	with	ADP
ajst-3250	30	59	a	a	DET
ajst-3250	30	60	narrow	narrow	ADJ
ajst-3250	30	61	window	window	NOUN
ajst-3250	30	62	between	between	ADP
ajst-3250	30	63	pore	pore	ADJ
ajst-3250	30	64	pressure	pressure	NOUN
ajst-3250	30	65	and	and	CCONJ
ajst-3250	30	66	rupture	rupture	NOUN
ajst-3250	30	67	pressure	pressure	NOUN
ajst-3250	30	68	.	.	PUNCT
ajst-3250	31	1	2	2	X
ajst-3250	31	2	.	.	X
ajst-3250	31	3	technical	technical	ADJ
ajst-3250	31	4	analysis	analysis	NOUN
ajst-3250	31	5	2.1	2.1	NUM
ajst-3250	31	6	.	.	PUNCT
ajst-3250	32	1	gas	gas	NOUN
ajst-3250	32	2	lift	lift	VERB
ajst-3250	32	3	positive	positive	ADJ
ajst-3250	32	4	circulation	circulation	NOUN
ajst-3250	32	5	drilling	drill	VERB
ajst-3250	32	6	technology	technology	NOUN
ajst-3250	32	7	the	the	DET
ajst-3250	32	8	gas	gas	NOUN
ajst-3250	32	9	-	-	PUNCT
ajst-3250	32	10	lift	lift	NOUN
ajst-3250	32	11	positive	positive	ADJ
ajst-3250	32	12	circulation	circulation	NOUN
ajst-3250	32	13	drilling	drilling	NOUN
ajst-3250	32	14	technology	technology	NOUN
ajst-3250	32	15	uses	use	VERB
ajst-3250	32	16	the	the	DET
ajst-3250	32	17	double	double	ADJ
ajst-3250	32	18	drill	drill	NOUN
ajst-3250	32	19	pipe	pipe	NOUN
ajst-3250	32	20	.	.	PUNCT
ajst-3250	33	1	while	while	SCONJ
ajst-3250	33	2	the	the	DET
ajst-3250	33	3	mud	mud	NOUN
ajst-3250	33	4	pump	pump	NOUN
ajst-3250	33	5	pumps	pump	VERB
ajst-3250	33	6	the	the	DET
ajst-3250	33	7	drilling	drilling	NOUN
ajst-3250	33	8	fluid	fluid	NOUN
ajst-3250	33	9	into	into	ADP
ajst-3250	33	10	the	the	DET
ajst-3250	33	11	annulus	annulus	NOUN
ajst-3250	33	12	between	between	ADP
ajst-3250	33	13	the	the	DET
ajst-3250	33	14	inner	inner	ADJ
ajst-3250	33	15	pipe	pipe	NOUN
ajst-3250	33	16	and	and	CCONJ
ajst-3250	33	17	the	the	DET
ajst-3250	33	18	outer	outer	ADJ
ajst-3250	33	19	pipe	pipe	NOUN
ajst-3250	33	20	of	of	ADP
ajst-3250	33	21	the	the	DET
ajst-3250	33	22	double	double	ADJ
ajst-3250	33	23	drill	drill	NOUN
ajst-3250	33	24	pipe	pipe	NOUN
ajst-3250	33	25	,	,	PUNCT
ajst-3250	33	26	the	the	DET
ajst-3250	33	27	air	air	NOUN
ajst-3250	33	28	compressor	compressor	NOUN
ajst-3250	33	29	injects	inject	VERB
ajst-3250	33	30	compressed	compress	VERB
ajst-3250	33	31	gas	gas	NOUN
ajst-3250	33	32	from	from	ADP
ajst-3250	33	33	the	the	DET
ajst-3250	33	34	inner	inner	ADJ
ajst-3250	33	35	pipe	pipe	NOUN
ajst-3250	33	36	of	of	ADP
ajst-3250	33	37	the	the	DET
ajst-3250	33	38	double	double	ADJ
ajst-3250	33	39	drill	drill	NOUN
ajst-3250	33	40	pipe	pipe	NOUN
ajst-3250	33	41	.	.	PUNCT
ajst-3250	34	1	or	or	CCONJ
ajst-3250	34	2	the	the	DET
ajst-3250	34	3	air	air	NOUN
ajst-3250	34	4	compressor	compressor	NOUN
ajst-3250	34	5	injects	inject	VERB
ajst-3250	34	6	compressed	compress	VERB
ajst-3250	34	7	gas	gas	NOUN
ajst-3250	34	8	from	from	ADP
ajst-3250	34	9	the	the	DET
ajst-3250	34	10	annulus	annulus	NOUN
ajst-3250	34	11	between	between	ADP
ajst-3250	34	12	the	the	DET
ajst-3250	34	13	inner	inner	ADJ
ajst-3250	34	14	and	and	CCONJ
ajst-3250	34	15	outer	outer	ADJ
ajst-3250	34	16	pipe	pipe	NOUN
ajst-3250	34	17	of	of	ADP
ajst-3250	34	18	the	the	DET
ajst-3250	34	19	double	double	ADJ
ajst-3250	34	20	drill	drill	NOUN
ajst-3250	34	21	pipe	pipe	NOUN
ajst-3250	34	22	while	while	SCONJ
ajst-3250	34	23	the	the	DET
ajst-3250	34	24	mud	mud	NOUN
ajst-3250	34	25	pump	pump	NOUN
ajst-3250	34	26	pumps	pump	VERB
ajst-3250	34	27	the	the	DET
ajst-3250	34	28	drilling	drilling	NOUN
ajst-3250	34	29	fluid	fluid	NOUN
ajst-3250	34	30	into	into	ADP
ajst-3250	34	31	the	the	DET
ajst-3250	34	32	inner	inner	ADJ
ajst-3250	34	33	pipe	pipe	NOUN
ajst-3250	34	34	.	.	PUNCT
ajst-3250	35	1	when	when	SCONJ
ajst-3250	35	2	the	the	DET
ajst-3250	35	3	drilling	drilling	NOUN
ajst-3250	35	4	fluid	fluid	NOUN
ajst-3250	35	5	flows	flow	VERB
ajst-3250	35	6	through	through	ADP
ajst-3250	35	7	the	the	DET
ajst-3250	35	8	bit	bit	NOUN
ajst-3250	35	9	and	and	CCONJ
ajst-3250	35	10	returns	return	NOUN
ajst-3250	35	11	to	to	ADP
ajst-3250	35	12	a	a	DET
ajst-3250	35	13	certain	certain	ADJ
ajst-3250	35	14	depth	depth	NOUN
ajst-3250	35	15	of	of	ADP
ajst-3250	35	16	the	the	DET
ajst-3250	35	17	leakage	leakage	NOUN
ajst-3250	35	18	zone	zone	NOUN
ajst-3250	35	19	in	in	ADP
ajst-3250	35	20	the	the	DET
ajst-3250	35	21	annulus	annulus	NOUN
ajst-3250	35	22	hole	hole	NOUN
ajst-3250	35	23	,	,	PUNCT
ajst-3250	35	24	it	it	PRON
ajst-3250	35	25	mixes	mix	VERB
ajst-3250	35	26	with	with	ADP
ajst-3250	35	27	the	the	DET
ajst-3250	35	28	compressed	compress	VERB
ajst-3250	35	29	air	air	NOUN
ajst-3250	35	30	injected	inject	VERB
ajst-3250	35	31	by	by	ADP
ajst-3250	35	32	the	the	DET
ajst-3250	35	33	gas	gas	NOUN
ajst-3250	35	34	box	box	NOUN
ajst-3250	35	35	to	to	ADP
ajst-3250	35	36	the	the	DET
ajst-3250	35	37	leakage	leakage	NOUN
ajst-3250	35	38	zone	zone	NOUN
ajst-3250	35	39	.	.	PUNCT
ajst-3250	36	1	the	the	DET
ajst-3250	36	2	two	two	NUM
ajst-3250	36	3	-	-	PUNCT
ajst-3250	36	4	phase	phase	NOUN
ajst-3250	36	5	flow	flow	NOUN
ajst-3250	36	6	density	density	NOUN
ajst-3250	36	7	of	of	ADP
ajst-3250	36	8	the	the	DET
ajst-3250	36	9	gas	gas	NOUN
ajst-3250	36	10	42	42	NUM
ajst-3250	36	11	and	and	CCONJ
ajst-3250	36	12	drilling	drilling	NOUN
ajst-3250	36	13	fluid	fluid	NOUN
ajst-3250	36	14	is	be	AUX
ajst-3250	36	15	less	less	ADJ
ajst-3250	36	16	than	than	ADP
ajst-3250	36	17	the	the	DET
ajst-3250	36	18	density	density	NOUN
ajst-3250	36	19	of	of	ADP
ajst-3250	36	20	the	the	DET
ajst-3250	36	21	drilling	drilling	NOUN
ajst-3250	36	22	fluid	fluid	NOUN
ajst-3250	36	23	,	,	PUNCT
ajst-3250	36	24	resulting	result	VERB
ajst-3250	36	25	in	in	ADP
ajst-3250	36	26	an	an	DET
ajst-3250	36	27	unstable	unstable	ADJ
ajst-3250	36	28	"	"	PUNCT
ajst-3250	36	29	u	u	NOUN
ajst-3250	36	30	"	"	PUNCT
ajst-3250	36	31	shaped	shape	VERB
ajst-3250	36	32	tube	tube	NOUN
ajst-3250	36	33	effect	effect	NOUN
ajst-3250	36	34	in	in	ADP
ajst-3250	36	35	the	the	DET
ajst-3250	36	36	wellbore	wellbore	NOUN
ajst-3250	36	37	,	,	PUNCT
ajst-3250	36	38	so	so	SCONJ
ajst-3250	36	39	as	as	SCONJ
ajst-3250	36	40	to	to	PART
ajst-3250	36	41	reduce	reduce	VERB
ajst-3250	36	42	the	the	DET
ajst-3250	36	43	pressure	pressure	NOUN
ajst-3250	36	44	of	of	ADP
ajst-3250	36	45	the	the	DET
ajst-3250	36	46	liquid	liquid	ADJ
ajst-3250	36	47	column	column	NOUN
ajst-3250	36	48	at	at	ADP
ajst-3250	36	49	the	the	DET
ajst-3250	36	50	bottom	bottom	NOUN
ajst-3250	36	51	of	of	ADP
ajst-3250	36	52	the	the	DET
ajst-3250	36	53	hole	hole	NOUN
ajst-3250	36	54	,	,	PUNCT
ajst-3250	36	55	and	and	CCONJ
ajst-3250	36	56	finally	finally	ADV
ajst-3250	36	57	realize	realize	VERB
ajst-3250	36	58	the	the	DET
ajst-3250	36	59	positive	positive	ADJ
ajst-3250	36	60	circulation	circulation	NOUN
ajst-3250	36	61	drilling	drilling	NOUN
ajst-3250	36	62	process	process	NOUN
ajst-3250	36	63	of	of	ADP
ajst-3250	36	64	gas	gas	NOUN
ajst-3250	36	65	lift	lift	NOUN
ajst-3250	36	66	,	,	PUNCT
ajst-3250	36	67	as	as	SCONJ
ajst-3250	36	68	shown	show	VERB
ajst-3250	36	69	in	in	ADP
ajst-3250	36	70	fig.1	fig.1	PROPN
ajst-3250	36	71	.	.	PUNCT
ajst-3250	37	1	this	this	DET
ajst-3250	37	2	technology	technology	NOUN
ajst-3250	37	3	was	be	AUX
ajst-3250	37	4	previously	previously	ADV
ajst-3250	37	5	used	use	VERB
ajst-3250	37	6	in	in	ADP
ajst-3250	37	7	offshore	offshore	ADJ
ajst-3250	37	8	drilling	drilling	NOUN
ajst-3250	37	9	.	.	PUNCT
ajst-3250	38	1	due	due	ADP
ajst-3250	38	2	to	to	ADP
ajst-3250	38	3	the	the	DET
ajst-3250	38	4	narrow	narrow	ADJ
ajst-3250	38	5	window	window	NOUN
ajst-3250	38	6	between	between	ADP
ajst-3250	38	7	formation	formation	NOUN
ajst-3250	38	8	pore	pore	ADJ
ajst-3250	38	9	pressure	pressure	NOUN
ajst-3250	38	10	and	and	CCONJ
ajst-3250	38	11	fracture	fracture	NOUN
ajst-3250	38	12	pressure	pressure	NOUN
ajst-3250	38	13	,	,	PUNCT
ajst-3250	38	14	gas	gas	NOUN
ajst-3250	38	15	-	-	PUNCT
ajst-3250	38	16	lift	lift	NOUN
ajst-3250	38	17	positive	positive	ADJ
ajst-3250	38	18	circulation	circulation	NOUN
ajst-3250	38	19	drilling	drilling	NOUN
ajst-3250	38	20	can	can	AUX
ajst-3250	38	21	greatly	greatly	ADV
ajst-3250	38	22	increase	increase	VERB
ajst-3250	38	23	the	the	DET
ajst-3250	38	24	density	density	NOUN
ajst-3250	38	25	range	range	NOUN
ajst-3250	38	26	of	of	ADP
ajst-3250	38	27	drilling	drilling	NOUN
ajst-3250	38	28	fluid	fluid	NOUN
ajst-3250	38	29	and	and	CCONJ
ajst-3250	38	30	ensure	ensure	VERB
ajst-3250	38	31	drilling	drilling	NOUN
ajst-3250	38	32	safety	safety	NOUN
ajst-3250	38	33	.	.	PUNCT
ajst-3250	39	1	this	this	DET
ajst-3250	39	2	technology	technology	NOUN
ajst-3250	39	3	can	can	AUX
ajst-3250	39	4	be	be	AUX
ajst-3250	39	5	transplanted	transplant	VERB
ajst-3250	39	6	to	to	ADP
ajst-3250	39	7	the	the	DET
ajst-3250	39	8	land	land	NOUN
ajst-3250	39	9	environment	environment	NOUN
ajst-3250	39	10	,	,	PUNCT
ajst-3250	39	11	as	as	ADV
ajst-3250	39	12	well	well	ADV
ajst-3250	39	13	as	as	ADP
ajst-3250	39	14	the	the	DET
ajst-3250	39	15	numerous	numerous	ADJ
ajst-3250	39	16	low	low	ADJ
ajst-3250	39	17	pressure	pressure	NOUN
ajst-3250	39	18	reservoirs	reservoir	NOUN
ajst-3250	39	19	and	and	CCONJ
ajst-3250	39	20	pressure	pressure	NOUN
ajst-3250	39	21	depletion	depletion	NOUN
ajst-3250	39	22	formations	formation	NOUN
ajst-3250	39	23	on	on	ADP
ajst-3250	39	24	land	land	NOUN
ajst-3250	39	25	.	.	PUNCT
ajst-3250	40	1	advantages	advantage	NOUN
ajst-3250	40	2	of	of	ADP
ajst-3250	40	3	the	the	DET
ajst-3250	40	4	process	process	NOUN
ajst-3250	40	5	:	:	PUNCT
ajst-3250	40	6	(	(	PUNCT
ajst-3250	40	7	1	1	X
ajst-3250	40	8	)	)	PUNCT
ajst-3250	40	9	reduce	reduce	VERB
ajst-3250	40	10	the	the	DET
ajst-3250	40	11	damage	damage	NOUN
ajst-3250	40	12	to	to	ADP
ajst-3250	40	13	the	the	DET
ajst-3250	40	14	oil	oil	NOUN
ajst-3250	40	15	and	and	CCONJ
ajst-3250	40	16	gas	gas	NOUN
ajst-3250	40	17	reservoir	reservoir	NOUN
ajst-3250	40	18	,	,	PUNCT
ajst-3250	40	19	effectively	effectively	ADV
ajst-3250	40	20	protect	protect	VERB
ajst-3250	40	21	the	the	DET
ajst-3250	40	22	oil	oil	NOUN
ajst-3250	40	23	and	and	CCONJ
ajst-3250	40	24	gas	gas	NOUN
ajst-3250	40	25	reservoir	reservoir	NOUN
ajst-3250	40	26	,	,	PUNCT
ajst-3250	40	27	and	and	CCONJ
ajst-3250	40	28	improve	improve	VERB
ajst-3250	40	29	the	the	DET
ajst-3250	40	30	production	production	NOUN
ajst-3250	40	31	of	of	ADP
ajst-3250	40	32	oil	oil	NOUN
ajst-3250	40	33	and	and	CCONJ
ajst-3250	40	34	gas	gas	NOUN
ajst-3250	40	35	wells	well	NOUN
ajst-3250	40	36	.	.	PUNCT
ajst-3250	41	1	(	(	PUNCT
ajst-3250	41	2	2	2	X
ajst-3250	41	3	)	)	PUNCT
ajst-3250	41	4	there	there	PRON
ajst-3250	41	5	is	be	VERB
ajst-3250	41	6	always	always	ADV
ajst-3250	41	7	a	a	DET
ajst-3250	41	8	continuous	continuous	ADJ
ajst-3250	41	9	liquid	liquid	ADJ
ajst-3250	41	10	flow	flow	NOUN
ajst-3250	41	11	from	from	ADP
ajst-3250	41	12	wellhead	wellhead	NOUN
ajst-3250	41	13	to	to	ADP
ajst-3250	41	14	bottom	bottom	ADJ
ajst-3250	41	15	hole	hole	NOUN
ajst-3250	41	16	,	,	PUNCT
ajst-3250	41	17	so	so	CCONJ
ajst-3250	41	18	the	the	DET
ajst-3250	41	19	performance	performance	NOUN
ajst-3250	41	20	of	of	ADP
ajst-3250	41	21	conventional	conventional	ADJ
ajst-3250	41	22	downhole	downhole	NOUN
ajst-3250	41	23	dynamic	dynamic	ADJ
ajst-3250	41	24	drilling	drilling	NOUN
ajst-3250	41	25	tools	tool	NOUN
ajst-3250	41	26	and	and	CCONJ
ajst-3250	41	27	mwd	mwd	PROPN
ajst-3250	41	28	instruments	instrument	NOUN
ajst-3250	41	29	is	be	AUX
ajst-3250	41	30	not	not	PART
ajst-3250	41	31	affected	affect	VERB
ajst-3250	41	32	,	,	PUNCT
ajst-3250	41	33	and	and	CCONJ
ajst-3250	41	34	normal	normal	ADJ
ajst-3250	41	35	well	well	ADJ
ajst-3250	41	36	trajectory	trajectory	NOUN
ajst-3250	41	37	control	control	NOUN
ajst-3250	41	38	can	can	AUX
ajst-3250	41	39	be	be	AUX
ajst-3250	41	40	carried	carry	VERB
ajst-3250	41	41	out	out	ADP
ajst-3250	41	42	[	[	X
ajst-3250	41	43	9	9	NUM
ajst-3250	41	44	]	]	PUNCT
ajst-3250	41	45	.	.	PUNCT
ajst-3250	42	1	(	(	PUNCT
ajst-3250	42	2	3	3	X
ajst-3250	42	3	)	)	PUNCT
ajst-3250	42	4	it	it	PRON
ajst-3250	42	5	is	be	AUX
ajst-3250	42	6	a	a	DET
ajst-3250	42	7	way	way	NOUN
ajst-3250	42	8	to	to	PART
ajst-3250	42	9	control	control	VERB
ajst-3250	42	10	pressure	pressure	NOUN
ajst-3250	42	11	drilling	drilling	NOUN
ajst-3250	42	12	,	,	PUNCT
ajst-3250	42	13	which	which	PRON
ajst-3250	42	14	is	be	AUX
ajst-3250	42	15	suitable	suitable	ADJ
ajst-3250	42	16	for	for	ADP
ajst-3250	42	17	drilling	drill	VERB
ajst-3250	42	18	strata	strata	NOUN
ajst-3250	42	19	with	with	ADP
ajst-3250	42	20	narrow	narrow	ADJ
ajst-3250	42	21	pore	pore	ADJ
ajst-3250	42	22	pressure	pressure	NOUN
ajst-3250	42	23	and	and	CCONJ
ajst-3250	42	24	rupture	rupture	NOUN
ajst-3250	42	25	pressure	pressure	NOUN
ajst-3250	42	26	window	window	NOUN
ajst-3250	42	27	,	,	PUNCT
ajst-3250	42	28	and	and	CCONJ
ajst-3250	42	29	increases	increase	VERB
ajst-3250	42	30	the	the	DET
ajst-3250	42	31	drilling	drilling	NOUN
ajst-3250	42	32	depth	depth	NOUN
ajst-3250	42	33	.	.	PUNCT
ajst-3250	43	1	figure	figure	NOUN
ajst-3250	43	2	1	1	NUM
ajst-3250	43	3	.	.	PUNCT
ajst-3250	43	4	schematic	schematic	ADJ
ajst-3250	43	5	diagram	diagram	NOUN
ajst-3250	43	6	of	of	ADP
ajst-3250	43	7	gas	gas	NOUN
ajst-3250	43	8	lift	lift	VERB
ajst-3250	43	9	positive	positive	ADJ
ajst-3250	43	10	circulation	circulation	NOUN
ajst-3250	43	11	drilling	drilling	NOUN
ajst-3250	43	12	process	process	NOUN
ajst-3250	43	13	.	.	PUNCT
ajst-3250	44	1	2.2	2.2	NUM
ajst-3250	44	2	.	.	PUNCT
ajst-3250	45	1	design	design	NOUN
ajst-3250	45	2	requirements	requirement	NOUN
ajst-3250	45	3	of	of	ADP
ajst-3250	45	4	double	double	ADJ
ajst-3250	45	5	drill	drill	NOUN
ajst-3250	45	6	pipe	pipe	NOUN
ajst-3250	45	7	in	in	ADP
ajst-3250	45	8	order	order	NOUN
ajst-3250	45	9	to	to	PART
ajst-3250	45	10	meet	meet	VERB
ajst-3250	45	11	the	the	DET
ajst-3250	45	12	technological	technological	ADJ
ajst-3250	45	13	requirements	requirement	NOUN
ajst-3250	45	14	,	,	PUNCT
ajst-3250	45	15	a	a	DET
ajst-3250	45	16	modular	modular	ADJ
ajst-3250	45	17	assembly	assembly	NOUN
ajst-3250	45	18	of	of	ADP
ajst-3250	45	19	double	double	ADJ
ajst-3250	45	20	drill	drill	NOUN
ajst-3250	45	21	pipe	pipe	NOUN
ajst-3250	45	22	is	be	AUX
ajst-3250	45	23	proposed	propose	VERB
ajst-3250	45	24	and	and	CCONJ
ajst-3250	45	25	designed	design	VERB
ajst-3250	45	26	.	.	PUNCT
ajst-3250	46	1	unlike	unlike	ADP
ajst-3250	46	2	conventional	conventional	ADJ
ajst-3250	46	3	drill	drill	NOUN
ajst-3250	46	4	pipe	pipe	NOUN
ajst-3250	46	5	,	,	PUNCT
ajst-3250	46	6	the	the	DET
ajst-3250	46	7	double	double	ADJ
ajst-3250	46	8	drill	drill	NOUN
ajst-3250	46	9	pipe	pipe	NOUN
ajst-3250	46	10	not	not	PART
ajst-3250	46	11	only	only	ADV
ajst-3250	46	12	serves	serve	VERB
ajst-3250	46	13	as	as	ADP
ajst-3250	46	14	a	a	DET
ajst-3250	46	15	circulation	circulation	NOUN
ajst-3250	46	16	channel	channel	NOUN
ajst-3250	46	17	for	for	ADP
ajst-3250	46	18	drilling	drilling	NOUN
ajst-3250	46	19	fluid	fluid	NOUN
ajst-3250	46	20	,	,	PUNCT
ajst-3250	46	21	but	but	CCONJ
ajst-3250	46	22	also	also	ADV
ajst-3250	46	23	provides	provide	VERB
ajst-3250	46	24	a	a	DET
ajst-3250	46	25	downflow	downflow	ADJ
ajst-3250	46	26	channel	channel	NOUN
ajst-3250	46	27	for	for	ADP
ajst-3250	46	28	compressed	compressed	ADJ
ajst-3250	46	29	gas	gas	NOUN
ajst-3250	46	30	.	.	PUNCT
ajst-3250	47	1	the	the	DET
ajst-3250	47	2	double	double	ADJ
ajst-3250	47	3	drill	drill	NOUN
ajst-3250	47	4	pipe	pipe	NOUN
ajst-3250	47	5	structure	structure	NOUN
ajst-3250	47	6	is	be	AUX
ajst-3250	47	7	the	the	DET
ajst-3250	47	8	key	key	NOUN
ajst-3250	47	9	to	to	ADP
ajst-3250	47	10	the	the	DET
ajst-3250	47	11	smooth	smooth	ADJ
ajst-3250	47	12	progress	progress	NOUN
ajst-3250	47	13	of	of	ADP
ajst-3250	47	14	gas	gas	NOUN
ajst-3250	47	15	lift	lift	VERB
ajst-3250	47	16	positive	positive	ADJ
ajst-3250	47	17	circulation	circulation	NOUN
ajst-3250	47	18	drilling	drill	VERB
ajst-3250	47	19	.	.	PUNCT
ajst-3250	48	1	according	accord	VERB
ajst-3250	48	2	to	to	ADP
ajst-3250	48	3	the	the	DET
ajst-3250	48	4	relevant	relevant	ADJ
ajst-3250	48	5	technological	technological	ADJ
ajst-3250	48	6	requirements	requirement	NOUN
ajst-3250	48	7	of	of	ADP
ajst-3250	48	8	gas	gas	NOUN
ajst-3250	48	9	lift	lift	NOUN
ajst-3250	48	10	positive	positive	ADJ
ajst-3250	48	11	circulation	circulation	NOUN
ajst-3250	48	12	drilling	drilling	NOUN
ajst-3250	48	13	,	,	PUNCT
ajst-3250	48	14	the	the	DET
ajst-3250	48	15	design	design	NOUN
ajst-3250	48	16	mainly	mainly	ADV
ajst-3250	48	17	follows	follow	VERB
ajst-3250	48	18	the	the	DET
ajst-3250	48	19	following	follow	VERB
ajst-3250	48	20	principles	principle	NOUN
ajst-3250	48	21	:	:	PUNCT
ajst-3250	48	22	(	(	PUNCT
ajst-3250	48	23	1	1	X
ajst-3250	48	24	)	)	PUNCT
ajst-3250	48	25	it	it	PRON
ajst-3250	48	26	is	be	AUX
ajst-3250	48	27	necessary	necessary	ADJ
ajst-3250	48	28	to	to	PART
ajst-3250	48	29	facilitate	facilitate	VERB
ajst-3250	48	30	the	the	DET
ajst-3250	48	31	loading	loading	NOUN
ajst-3250	48	32	and	and	CCONJ
ajst-3250	48	33	unloading	unloading	NOUN
ajst-3250	48	34	of	of	ADP
ajst-3250	48	35	drill	drill	NOUN
ajst-3250	48	36	pipe	pipe	NOUN
ajst-3250	48	37	.	.	PUNCT
ajst-3250	49	1	the	the	DET
ajst-3250	49	2	size	size	NOUN
ajst-3250	49	3	and	and	CCONJ
ajst-3250	49	4	specifications	specification	NOUN
ajst-3250	49	5	of	of	ADP
ajst-3250	49	6	drill	drill	NOUN
ajst-3250	49	7	pipe	pipe	NOUN
ajst-3250	49	8	should	should	AUX
ajst-3250	49	9	meet	meet	VERB
ajst-3250	49	10	the	the	DET
ajst-3250	49	11	standards	standard	NOUN
ajst-3250	49	12	of	of	ADP
ajst-3250	49	13	oil	oil	NOUN
ajst-3250	49	14	and	and	CCONJ
ajst-3250	49	15	gas	gas	NOUN
ajst-3250	49	16	industry	industry	NOUN
ajst-3250	49	17	.	.	PUNCT
ajst-3250	50	1	while	while	SCONJ
ajst-3250	50	2	ensuring	ensure	VERB
ajst-3250	50	3	the	the	DET
ajst-3250	50	4	reliability	reliability	NOUN
ajst-3250	50	5	of	of	ADP
ajst-3250	50	6	the	the	DET
ajst-3250	50	7	process	process	NOUN
ajst-3250	50	8	,	,	PUNCT
ajst-3250	50	9	existing	exist	VERB
ajst-3250	50	10	drill	drill	NOUN
ajst-3250	50	11	pipe	pipe	NOUN
ajst-3250	50	12	should	should	AUX
ajst-3250	50	13	be	be	AUX
ajst-3250	50	14	used	use	VERB
ajst-3250	50	15	as	as	ADP
ajst-3250	50	16	a	a	DET
ajst-3250	50	17	component	component	NOUN
ajst-3250	50	18	of	of	ADP
ajst-3250	50	19	double	double	ADJ
ajst-3250	50	20	drill	drill	NOUN
ajst-3250	50	21	pipe	pipe	NOUN
ajst-3250	50	22	as	as	ADV
ajst-3250	50	23	far	far	ADV
ajst-3250	50	24	as	as	ADP
ajst-3250	50	25	possible	possible	ADJ
ajst-3250	50	26	to	to	PART
ajst-3250	50	27	facilitate	facilitate	VERB
ajst-3250	50	28	the	the	DET
ajst-3250	50	29	design	design	NOUN
ajst-3250	50	30	and	and	CCONJ
ajst-3250	50	31	manufacturing	manufacturing	NOUN
ajst-3250	50	32	and	and	CCONJ
ajst-3250	50	33	save	save	VERB
ajst-3250	50	34	costs	cost	NOUN
ajst-3250	50	35	.	.	PUNCT
ajst-3250	51	1	(	(	PUNCT
ajst-3250	51	2	2	2	X
ajst-3250	51	3	)	)	PUNCT
ajst-3250	51	4	the	the	DET
ajst-3250	51	5	material	material	NOUN
ajst-3250	51	6	selection	selection	NOUN
ajst-3250	51	7	of	of	ADP
ajst-3250	51	8	the	the	DET
ajst-3250	51	9	outer	outer	ADJ
ajst-3250	51	10	pipe	pipe	NOUN
ajst-3250	51	11	and	and	CCONJ
ajst-3250	51	12	joint	joint	NOUN
ajst-3250	51	13	of	of	ADP
ajst-3250	51	14	the	the	DET
ajst-3250	51	15	double	double	ADJ
ajst-3250	51	16	drill	drill	NOUN
ajst-3250	51	17	pipe	pipe	NOUN
ajst-3250	51	18	should	should	AUX
ajst-3250	51	19	meet	meet	VERB
ajst-3250	51	20	the	the	DET
ajst-3250	51	21	standards	standard	NOUN
ajst-3250	51	22	of	of	ADP
ajst-3250	51	23	the	the	DET
ajst-3250	51	24	oil	oil	NOUN
ajst-3250	51	25	and	and	CCONJ
ajst-3250	51	26	gas	gas	NOUN
ajst-3250	51	27	industry	industry	NOUN
ajst-3250	51	28	,	,	PUNCT
ajst-3250	51	29	and	and	CCONJ
ajst-3250	51	30	the	the	DET
ajst-3250	51	31	inner	inner	ADJ
ajst-3250	51	32	pipe	pipe	NOUN
ajst-3250	51	33	should	should	AUX
ajst-3250	51	34	be	be	AUX
ajst-3250	51	35	made	make	VERB
ajst-3250	51	36	of	of	ADP
ajst-3250	51	37	high	high	ADJ
ajst-3250	51	38	-	-	PUNCT
ajst-3250	51	39	strength	strength	NOUN
ajst-3250	51	40	seamless	seamless	ADJ
ajst-3250	51	41	steel	steel	NOUN
ajst-3250	51	42	pipe	pipe	NOUN
ajst-3250	51	43	to	to	PART
ajst-3250	51	44	ensure	ensure	VERB
ajst-3250	51	45	that	that	SCONJ
ajst-3250	51	46	the	the	DET
ajst-3250	51	47	strength	strength	NOUN
ajst-3250	51	48	and	and	CCONJ
ajst-3250	51	49	toughness	toughness	NOUN
ajst-3250	51	50	of	of	ADP
ajst-3250	51	51	the	the	DET
ajst-3250	51	52	drill	drill	NOUN
ajst-3250	51	53	pipe	pipe	NOUN
ajst-3250	51	54	meet	meet	VERB
ajst-3250	51	55	the	the	DET
ajst-3250	51	56	strength	strength	NOUN
ajst-3250	51	57	requirements	requirement	NOUN
ajst-3250	51	58	of	of	ADP
ajst-3250	51	59	drilling	drill	VERB
ajst-3250	51	60	construction	construction	NOUN
ajst-3250	51	61	;	;	PUNCT
ajst-3250	51	62	(	(	PUNCT
ajst-3250	51	63	3	3	X
ajst-3250	51	64	)	)	PUNCT
ajst-3250	51	65	good	good	ADJ
ajst-3250	51	66	sealing	sealing	NOUN
ajst-3250	51	67	performance	performance	NOUN
ajst-3250	51	68	of	of	ADP
ajst-3250	51	69	drill	drill	NOUN
ajst-3250	51	70	pipe	pipe	NOUN
ajst-3250	51	71	to	to	PART
ajst-3250	51	72	ensure	ensure	VERB
ajst-3250	51	73	the	the	DET
ajst-3250	51	74	sealing	sealing	NOUN
ajst-3250	51	75	of	of	ADP
ajst-3250	51	76	inner	inner	ADJ
ajst-3250	51	77	pipe	pipe	NOUN
ajst-3250	51	78	and	and	CCONJ
ajst-3250	51	79	outer	outer	ADJ
ajst-3250	51	80	pipe	pipe	NOUN
ajst-3250	51	81	annulus	annulus	NOUN
ajst-3250	51	82	and	and	CCONJ
ajst-3250	51	83	inner	inner	ADJ
ajst-3250	51	84	pipe	pipe	NOUN
ajst-3250	51	85	passage	passage	NOUN
ajst-3250	51	86	;	;	PUNCT
ajst-3250	51	87	at	at	ADP
ajst-3250	51	88	the	the	DET
ajst-3250	51	89	same	same	ADJ
ajst-3250	51	90	time	time	NOUN
ajst-3250	51	91	,	,	PUNCT
ajst-3250	51	92	the	the	DET
ajst-3250	51	93	drill	drill	NOUN
ajst-3250	51	94	pipe	pipe	NOUN
ajst-3250	51	95	needs	need	VERB
ajst-3250	51	96	to	to	PART
ajst-3250	51	97	be	be	AUX
ajst-3250	51	98	centered	center	VERB
ajst-3250	51	99	to	to	PART
ajst-3250	51	100	prevent	prevent	VERB
ajst-3250	51	101	the	the	DET
ajst-3250	51	102	inner	inner	ADJ
ajst-3250	51	103	pipe	pipe	NOUN
ajst-3250	51	104	from	from	ADP
ajst-3250	51	105	wearing	wear	VERB
ajst-3250	51	106	out	out	ADP
ajst-3250	51	107	,	,	PUNCT
ajst-3250	51	108	bending	bend	VERB
ajst-3250	51	109	out	out	ADP
ajst-3250	51	110	of	of	ADP
ajst-3250	51	111	shape	shape	NOUN
ajst-3250	51	112	,	,	PUNCT
ajst-3250	51	113	or	or	CCONJ
ajst-3250	51	114	even	even	ADV
ajst-3250	51	115	breaking	break	VERB
ajst-3250	51	116	.	.	PUNCT
ajst-3250	52	1	based	base	VERB
ajst-3250	52	2	on	on	ADP
ajst-3250	52	3	the	the	DET
ajst-3250	52	4	above	above	ADJ
ajst-3250	52	5	design	design	NOUN
ajst-3250	52	6	principles	principle	NOUN
ajst-3250	52	7	,	,	PUNCT
ajst-3250	52	8	the	the	DET
ajst-3250	52	9	double	double	ADJ
ajst-3250	52	10	drill	drill	NOUN
ajst-3250	52	11	pipe	pipe	NOUN
ajst-3250	52	12	is	be	AUX
ajst-3250	52	13	composed	compose	VERB
ajst-3250	52	14	of	of	ADP
ajst-3250	52	15	outer	outer	ADJ
ajst-3250	52	16	pipe	pipe	NOUN
ajst-3250	52	17	,	,	PUNCT
ajst-3250	52	18	inner	inner	ADJ
ajst-3250	52	19	pipe	pipe	NOUN
ajst-3250	52	20	,	,	PUNCT
ajst-3250	52	21	drill	drill	NOUN
ajst-3250	52	22	pipe	pipe	NOUN
ajst-3250	52	23	joint	joint	NOUN
ajst-3250	52	24	,	,	PUNCT
ajst-3250	52	25	positioning	positioning	NOUN
ajst-3250	52	26	ring	ring	NOUN
ajst-3250	52	27	,	,	PUNCT
ajst-3250	52	28	inner	inner	ADJ
ajst-3250	52	29	pipe	pipe	NOUN
ajst-3250	52	30	nipple	nipple	NOUN
ajst-3250	52	31	and	and	CCONJ
ajst-3250	52	32	sealing	seal	VERB
ajst-3250	52	33	parts	part	NOUN
ajst-3250	52	34	.	.	PUNCT
ajst-3250	53	1	the	the	DET
ajst-3250	53	2	outer	outer	ADJ
ajst-3250	53	3	pipe	pipe	NOUN
ajst-3250	53	4	of	of	ADP
ajst-3250	53	5	the	the	DET
ajst-3250	53	6	drill	drill	NOUN
ajst-3250	53	7	pipe	pipe	NOUN
ajst-3250	53	8	is	be	AUX
ajst-3250	53	9	connected	connect	VERB
ajst-3250	53	10	by	by	ADP
ajst-3250	53	11	thread	thread	NOUN
ajst-3250	53	12	,	,	PUNCT
ajst-3250	53	13	the	the	DET
ajst-3250	53	14	inner	inner	ADJ
ajst-3250	53	15	end	end	NOUN
ajst-3250	53	16	of	of	ADP
ajst-3250	53	17	the	the	DET
ajst-3250	53	18	inner	inner	ADJ
ajst-3250	53	19	pipe	pipe	NOUN
ajst-3250	53	20	nipple	nipple	NOUN
ajst-3250	53	21	is	be	AUX
ajst-3250	53	22	connected	connect	VERB
ajst-3250	53	23	with	with	ADP
ajst-3250	53	24	the	the	DET
ajst-3250	53	25	inner	inner	ADJ
ajst-3250	53	26	pipe	pipe	NOUN
ajst-3250	53	27	by	by	ADP
ajst-3250	53	28	pipe	pipe	NOUN
ajst-3250	53	29	thread	thread	NOUN
ajst-3250	53	30	,	,	PUNCT
ajst-3250	53	31	and	and	CCONJ
ajst-3250	53	32	the	the	DET
ajst-3250	53	33	other	other	ADJ
ajst-3250	53	34	end	end	NOUN
ajst-3250	53	35	of	of	ADP
ajst-3250	53	36	the	the	DET
ajst-3250	53	37	inner	inner	ADJ
ajst-3250	53	38	pipe	pipe	NOUN
ajst-3250	53	39	nipple	nipple	NOUN
ajst-3250	53	40	is	be	AUX
ajst-3250	53	41	inserted	insert	VERB
ajst-3250	53	42	into	into	ADP
ajst-3250	53	43	the	the	DET
ajst-3250	53	44	female	female	ADJ
ajst-3250	53	45	buckle	buckle	NOUN
ajst-3250	53	46	of	of	ADP
ajst-3250	53	47	the	the	DET
ajst-3250	53	48	inner	inner	ADJ
ajst-3250	53	49	pipe	pipe	NOUN
ajst-3250	53	50	nipple	nipple	NOUN
ajst-3250	53	51	of	of	ADP
ajst-3250	53	52	the	the	DET
ajst-3250	53	53	next	next	ADJ
ajst-3250	53	54	double	double	ADJ
ajst-3250	53	55	drill	drill	NOUN
ajst-3250	53	56	pipe	pipe	NOUN
ajst-3250	53	57	,	,	PUNCT
ajst-3250	53	58	which	which	PRON
ajst-3250	53	59	is	be	AUX
ajst-3250	53	60	a	a	DET
ajst-3250	53	61	non	non	ADJ
ajst-3250	53	62	-	-	ADJ
ajst-3250	53	63	rigid	rigid	ADJ
ajst-3250	53	64	connection	connection	NOUN
ajst-3250	53	65	structure	structure	NOUN
ajst-3250	53	66	.	.	PUNCT
ajst-3250	54	1	the	the	DET
ajst-3250	54	2	outer	outer	ADJ
ajst-3250	54	3	pipe	pipe	NOUN
ajst-3250	54	4	of	of	ADP
ajst-3250	54	5	the	the	DET
ajst-3250	54	6	double	double	ADJ
ajst-3250	54	7	drill	drill	NOUN
ajst-3250	54	8	pipe	pipe	NOUN
ajst-3250	54	9	is	be	AUX
ajst-3250	54	10	the	the	DET
ajst-3250	54	11	existing	exist	VERB
ajst-3250	54	12	drill	drill	NOUN
ajst-3250	54	13	pipe	pipe	NOUN
ajst-3250	54	14	conforming	conforming	NOUN
ajst-3250	54	15	to	to	ADP
ajst-3250	54	16	the	the	DET
ajst-3250	54	17	industry	industry	NOUN
ajst-3250	54	18	standard	standard	NOUN
ajst-3250	54	19	.	.	PUNCT
ajst-3250	55	1	the	the	DET
ajst-3250	55	2	drill	drill	NOUN
ajst-3250	55	3	pipe	pipe	NOUN
ajst-3250	55	4	connector	connector	NOUN
ajst-3250	55	5	is	be	AUX
ajst-3250	55	6	a	a	DET
ajst-3250	55	7	short	short	ADJ
ajst-3250	55	8	joint	joint	NOUN
ajst-3250	55	9	connected	connect	VERB
ajst-3250	55	10	with	with	ADP
ajst-3250	55	11	api	api	NOUN
ajst-3250	55	12	standard	standard	ADJ
ajst-3250	55	13	threads	thread	NOUN
ajst-3250	55	14	,	,	PUNCT
ajst-3250	55	15	and	and	CCONJ
ajst-3250	55	16	the	the	DET
ajst-3250	55	17	inner	inner	ADJ
ajst-3250	55	18	pipe	pipe	NOUN
ajst-3250	55	19	is	be	AUX
ajst-3250	55	20	a	a	DET
ajst-3250	55	21	high	high	ADJ
ajst-3250	55	22	strength	strength	NOUN
ajst-3250	55	23	seamless	seamless	ADJ
ajst-3250	55	24	steel	steel	NOUN
ajst-3250	55	25	pipe	pipe	NOUN
ajst-3250	55	26	.	.	PUNCT
ajst-3250	56	1	the	the	DET
ajst-3250	56	2	schematic	schematic	ADJ
ajst-3250	56	3	diagram	diagram	NOUN
ajst-3250	56	4	of	of	ADP
ajst-3250	56	5	modular	modular	ADJ
ajst-3250	56	6	double	double	ADJ
ajst-3250	56	7	-	-	PUNCT
ajst-3250	56	8	layer	layer	NOUN
ajst-3250	56	9	drill	drill	NOUN
ajst-3250	56	10	pipe	pipe	NOUN
ajst-3250	56	11	structure	structure	NOUN
ajst-3250	56	12	is	be	AUX
ajst-3250	56	13	shown	show	VERB
ajst-3250	56	14	in	in	ADP
ajst-3250	56	15	fig.2	fig.2	PROPN
ajst-3250	56	16	.	.	PUNCT
ajst-3250	57	1	the	the	DET
ajst-3250	57	2	outer	outer	ADJ
ajst-3250	57	3	diameter	diameter	NOUN
ajst-3250	57	4	of	of	ADP
ajst-3250	57	5	drill	drill	NOUN
ajst-3250	57	6	pipe	pipe	NOUN
ajst-3250	57	7	should	should	AUX
ajst-3250	57	8	be	be	AUX
ajst-3250	57	9	127	127	NUM
ajst-3250	57	10	mm	mm	NOUN
ajst-3250	57	11	,	,	PUNCT
ajst-3250	57	12	and	and	CCONJ
ajst-3250	57	13	the	the	DET
ajst-3250	57	14	thickness	thickness	NOUN
ajst-3250	57	15	of	of	ADP
ajst-3250	57	16	outer	outer	ADJ
ajst-3250	57	17	pipe	pipe	NOUN
ajst-3250	57	18	body	body	NOUN
ajst-3250	57	19	is	be	AUX
ajst-3250	57	20	9.19	9.19	NUM
ajst-3250	57	21	mm	mm	NOUN
ajst-3250	57	22	.	.	PUNCT
ajst-3250	58	1	the	the	DET
ajst-3250	58	2	basic	basic	ADJ
ajst-3250	58	3	dimensions	dimension	NOUN
ajst-3250	58	4	and	and	CCONJ
ajst-3250	58	5	main	main	ADJ
ajst-3250	58	6	parameters	parameter	NOUN
ajst-3250	58	7	are	be	AUX
ajst-3250	58	8	shown	show	VERB
ajst-3250	58	9	in	in	ADP
ajst-3250	58	10	table	table	NOUN
ajst-3250	58	11	1	1	NUM
ajst-3250	58	12	.	.	NOUN
ajst-3250	58	13	1	1	NUM
ajst-3250	58	14	.	.	X
ajst-3250	58	15	drill	drill	NOUN
ajst-3250	58	16	pipe	pipe	NOUN
ajst-3250	58	17	joint	joint	ADJ
ajst-3250	58	18	2	2	NUM
ajst-3250	58	19	.	.	PUNCT
ajst-3250	58	20	positioning	positioning	NOUN
ajst-3250	58	21	ring	ring	NOUN
ajst-3250	58	22	3	3	NUM
ajst-3250	58	23	.	.	PUNCT
ajst-3250	59	1	inner	inner	ADJ
ajst-3250	59	2	pipe	pipe	NOUN
ajst-3250	59	3	sub	sub	NOUN
ajst-3250	59	4	of	of	ADP
ajst-3250	59	5	upper	upper	ADJ
ajst-3250	59	6	joint	joint	ADJ
ajst-3250	59	7	4	4	NUM
ajst-3250	59	8	.	.	PUNCT
ajst-3250	59	9	sealing	seal	VERB
ajst-3250	59	10	ring	ring	NOUN
ajst-3250	59	11	5	5	NUM
ajst-3250	59	12	.	.	PUNCT
ajst-3250	60	1	ordinary	ordinary	ADJ
ajst-3250	60	2	drill	drill	NOUN
ajst-3250	60	3	pipe	pipe	NOUN
ajst-3250	60	4	6	6	NUM
ajst-3250	60	5	.	.	PUNCT
ajst-3250	61	1	inner	inner	ADJ
ajst-3250	61	2	pipe	pipe	NOUN
ajst-3250	61	3	body	body	NOUN
ajst-3250	61	4	7	7	NUM
ajst-3250	61	5	.	.	PUNCT
ajst-3250	61	6	lower	low	ADJ
ajst-3250	61	7	connector	connector	ADJ
ajst-3250	61	8	inner	inner	ADJ
ajst-3250	61	9	pipe	pipe	NOUN
ajst-3250	61	10	sub	sub	NOUN
ajst-3250	61	11	figure	figure	NOUN
ajst-3250	61	12	2	2	NUM
ajst-3250	61	13	.	.	PUNCT
ajst-3250	61	14	schematic	schematic	ADJ
ajst-3250	61	15	diagram	diagram	NOUN
ajst-3250	61	16	of	of	ADP
ajst-3250	61	17	modular	modular	ADJ
ajst-3250	61	18	double	double	ADJ
ajst-3250	61	19	drill	drill	NOUN
ajst-3250	61	20	pipe	pipe	NOUN
ajst-3250	61	21	overall	overall	ADJ
ajst-3250	61	22	structure	structure	NOUN
ajst-3250	61	23	.	.	PUNCT
ajst-3250	62	1	43	43	NUM
ajst-3250	62	2	table	table	NOUN
ajst-3250	62	3	1	1	NUM
ajst-3250	62	4	.	.	PUNCT
ajst-3250	63	1	technical	technical	ADJ
ajst-3250	63	2	parameters	parameter	NOUN
ajst-3250	63	3	of	of	ADP
ajst-3250	63	4	127	127	NUM
ajst-3250	63	5	mm	mm	NUM
ajst-3250	63	6	modular	modular	ADJ
ajst-3250	63	7	double	double	ADJ
ajst-3250	63	8	drill	drill	NOUN
ajst-3250	63	9	pipe	pipe	NOUN
ajst-3250	63	10	.	.	PUNCT
ajst-3250	64	1	category	category	NOUN
ajst-3250	64	2	outer	outer	ADJ
ajst-3250	64	3	diameter	diameter	NOUN
ajst-3250	64	4	/mm	/mm	PUNCT
ajst-3250	64	5	inner	inner	ADJ
ajst-3250	64	6	diameter	diameter	NOUN
ajst-3250	64	7	/	/	SYM
ajst-3250	64	8	mm	mm	PROPN
ajst-3250	64	9	wall	wall	NOUN
ajst-3250	64	10	thickness	thickness	PROPN
ajst-3250	64	11	/	/	SYM
ajst-3250	64	12	mm	mm	PROPN
ajst-3250	64	13	the	the	DET
ajst-3250	64	14	length	length	NOUN
ajst-3250	64	15	of	of	ADP
ajst-3250	64	16	the	the	DET
ajst-3250	64	17	/	/	SYM
ajst-3250	64	18	mm	mm	PROPN
ajst-3250	64	19	material	material	NOUN
ajst-3250	64	20	outer	outer	ADJ
ajst-3250	64	21	pipe	pipe	NOUN
ajst-3250	64	22	body	body	NOUN
ajst-3250	64	23	127	127	NUM
ajst-3250	64	24	108.62	108.62	NUM
ajst-3250	64	25	9.19	9.19	NUM
ajst-3250	64	26	9500	9500	NUM
ajst-3250	64	27	26crmo	26crmo	NUM
ajst-3250	64	28	outer	outer	ADJ
ajst-3250	64	29	rod	rod	NOUN
ajst-3250	64	30	male	male	NOUN
ajst-3250	64	31	(	(	PUNCT
ajst-3250	64	32	female	female	NOUN
ajst-3250	64	33	)	)	PUNCT
ajst-3250	64	34	connector	connector	NOUN
ajst-3250	64	35	190.5	190.5	NUM
ajst-3250	64	36	95.25	95.25	NUM
ajst-3250	64	37	47.6	47.6	NUM
ajst-3250	64	38	405	405	NUM
ajst-3250	64	39	(	(	PUNCT
ajst-3250	64	40	381.5	381.5	NUM
ajst-3250	64	41	)	)	PUNCT
ajst-3250	64	42	42crmo	42crmo	PROPN
ajst-3250	64	43	drill	drill	NOUN
ajst-3250	64	44	pipe	pipe	NOUN
ajst-3250	64	45	joint	joint	VERB
ajst-3250	64	46	190.5	190.5	NUM
ajst-3250	64	47	95.25	95.25	NUM
ajst-3250	64	48	47.6	47.6	NUM
ajst-3250	64	49	464.3	464.3	NUM
ajst-3250	64	50	42crmo	42crmo	NUM
ajst-3250	64	51	inner	inner	ADJ
ajst-3250	64	52	tube	tube	NOUN
ajst-3250	64	53	body	body	NOUN
ajst-3250	64	54	9	9	NUM
ajst-3250	64	55	9614	9614	NUM
ajst-3250	64	56	zt380	zt380	VERB
ajst-3250	64	57	inside	inside	ADJ
ajst-3250	64	58	pipe	pipe	NOUN
ajst-3250	64	59	joint	joint	NOUN
ajst-3250	64	60	9	9	NUM
ajst-3250	64	61	76	76	NUM
ajst-3250	64	62	42crmo	42crmo	NOUN
ajst-3250	64	63	upper	upper	ADJ
ajst-3250	64	64	(	(	PUNCT
ajst-3250	64	65	lower	low	ADJ
ajst-3250	64	66	)	)	PUNCT
ajst-3250	64	67	inner	inner	ADJ
ajst-3250	64	68	pipe	pipe	NOUN
ajst-3250	64	69	sub	sub	NOUN
ajst-3250	64	70	9	9	NUM
ajst-3250	64	71	264.3(200	264.3(200	NUM
ajst-3250	64	72	)	)	PUNCT
ajst-3250	64	73	42crmo	42crmo	NOUN
ajst-3250	65	1	in	in	ADP
ajst-3250	65	2	order	order	NOUN
ajst-3250	65	3	to	to	PART
ajst-3250	65	4	realize	realize	VERB
ajst-3250	65	5	the	the	DET
ajst-3250	65	6	inner	inner	ADJ
ajst-3250	65	7	pipe	pipe	NOUN
ajst-3250	65	8	coaxial	coaxial	ADJ
ajst-3250	65	9	positioning	positioning	NOUN
ajst-3250	65	10	,	,	PUNCT
ajst-3250	65	11	a	a	DET
ajst-3250	65	12	sinking	sink	VERB
ajst-3250	65	13	step	step	NOUN
ajst-3250	65	14	is	be	AUX
ajst-3250	65	15	arranged	arrange	VERB
ajst-3250	65	16	on	on	ADP
ajst-3250	65	17	the	the	DET
ajst-3250	65	18	drill	drill	NOUN
ajst-3250	65	19	pipe	pipe	NOUN
ajst-3250	65	20	joint	joint	NOUN
ajst-3250	65	21	of	of	ADP
ajst-3250	65	22	the	the	DET
ajst-3250	65	23	double	double	ADJ
ajst-3250	65	24	drill	drill	NOUN
ajst-3250	65	25	pipe	pipe	NOUN
ajst-3250	65	26	,	,	PUNCT
ajst-3250	65	27	and	and	CCONJ
ajst-3250	65	28	the	the	DET
ajst-3250	65	29	positioning	positioning	NOUN
ajst-3250	65	30	ring	ring	NOUN
ajst-3250	65	31	is	be	AUX
ajst-3250	65	32	installed	instal	VERB
ajst-3250	65	33	on	on	ADP
ajst-3250	65	34	the	the	DET
ajst-3250	65	35	step	step	NOUN
ajst-3250	65	36	.	.	PUNCT
ajst-3250	66	1	the	the	DET
ajst-3250	66	2	positioning	positioning	NOUN
ajst-3250	66	3	ring	ring	NOUN
ajst-3250	66	4	is	be	AUX
ajst-3250	66	5	the	the	DET
ajst-3250	66	6	key	key	ADJ
ajst-3250	66	7	component	component	NOUN
ajst-3250	66	8	of	of	ADP
ajst-3250	66	9	the	the	DET
ajst-3250	66	10	inner	inner	ADJ
ajst-3250	66	11	pipe	pipe	NOUN
ajst-3250	66	12	axial	axial	ADJ
ajst-3250	66	13	and	and	CCONJ
ajst-3250	66	14	circumnavigational	circumnavigational	ADJ
ajst-3250	66	15	positioning	positioning	NOUN
ajst-3250	66	16	.	.	PUNCT
ajst-3250	67	1	its	its	PRON
ajst-3250	67	2	role	role	NOUN
ajst-3250	67	3	is	be	AUX
ajst-3250	67	4	to	to	PART
ajst-3250	67	5	place	place	VERB
ajst-3250	67	6	the	the	DET
ajst-3250	67	7	inner	inner	ADJ
ajst-3250	67	8	pipe	pipe	NOUN
ajst-3250	67	9	joint	joint	NOUN
ajst-3250	67	10	of	of	ADP
ajst-3250	67	11	the	the	DET
ajst-3250	67	12	upper	upper	ADJ
ajst-3250	67	13	(	(	PUNCT
ajst-3250	67	14	lower	low	ADJ
ajst-3250	67	15	)	)	PUNCT
ajst-3250	67	16	joint	joint	NOUN
ajst-3250	67	17	in	in	ADP
ajst-3250	67	18	the	the	DET
ajst-3250	67	19	positioning	positioning	NOUN
ajst-3250	67	20	ring	ring	NOUN
ajst-3250	67	21	,	,	PUNCT
ajst-3250	67	22	the	the	DET
ajst-3250	67	23	convex	convex	ADJ
ajst-3250	67	24	block	block	NOUN
ajst-3250	67	25	of	of	ADP
ajst-3250	67	26	the	the	DET
ajst-3250	67	27	positioning	positioning	NOUN
ajst-3250	67	28	ring	ring	NOUN
ajst-3250	67	29	is	be	AUX
ajst-3250	67	30	placed	place	VERB
ajst-3250	67	31	on	on	ADP
ajst-3250	67	32	the	the	DET
ajst-3250	67	33	drill	drill	NOUN
ajst-3250	67	34	pipe	pipe	NOUN
ajst-3250	67	35	joint	joint	NOUN
ajst-3250	67	36	,	,	PUNCT
ajst-3250	67	37	and	and	CCONJ
ajst-3250	67	38	the	the	DET
ajst-3250	67	39	inner	inner	ADJ
ajst-3250	67	40	pipe	pipe	NOUN
ajst-3250	67	41	joint	joint	NOUN
ajst-3250	67	42	of	of	ADP
ajst-3250	67	43	the	the	DET
ajst-3250	67	44	inner	inner	ADJ
ajst-3250	67	45	end	end	NOUN
ajst-3250	67	46	is	be	AUX
ajst-3250	67	47	connected	connect	VERB
ajst-3250	67	48	with	with	ADP
ajst-3250	67	49	the	the	DET
ajst-3250	67	50	inner	inner	ADJ
ajst-3250	67	51	pipe	pipe	NOUN
ajst-3250	67	52	body	body	NOUN
ajst-3250	67	53	thread	thread	NOUN
ajst-3250	67	54	.	.	PUNCT
ajst-3250	68	1	to	to	PART
ajst-3250	68	2	prevent	prevent	VERB
ajst-3250	68	3	the	the	DET
ajst-3250	68	4	inner	inner	ADJ
ajst-3250	68	5	tube	tube	NOUN
ajst-3250	68	6	from	from	ADP
ajst-3250	68	7	axial	axial	ADJ
ajst-3250	68	8	channeling	channeling	NOUN
ajst-3250	68	9	,	,	PUNCT
ajst-3250	68	10	the	the	DET
ajst-3250	68	11	outer	outer	ADJ
ajst-3250	68	12	end	end	NOUN
ajst-3250	68	13	joint	joint	NOUN
ajst-3250	68	14	has	have	VERB
ajst-3250	68	15	a	a	DET
ajst-3250	68	16	number	number	NOUN
ajst-3250	68	17	of	of	ADP
ajst-3250	68	18	groups	group	NOUN
ajst-3250	68	19	of	of	ADP
ajst-3250	68	20	c	c	ADV
ajst-3250	68	21	-	-	PUNCT
ajst-3250	68	22	shaped	shape	VERB
ajst-3250	68	23	combined	combined	ADJ
ajst-3250	68	24	sealing	sealing	NOUN
ajst-3250	68	25	rings	ring	NOUN
ajst-3250	68	26	to	to	PART
ajst-3250	68	27	ensure	ensure	VERB
ajst-3250	68	28	its	its	PRON
ajst-3250	68	29	sealing	sealing	NOUN
ajst-3250	68	30	performance	performance	NOUN
ajst-3250	68	31	.	.	PUNCT
ajst-3250	69	1	the	the	DET
ajst-3250	69	2	drill	drill	NOUN
ajst-3250	69	3	pipe	pipe	NOUN
ajst-3250	69	4	and	and	CCONJ
ajst-3250	69	5	drill	drill	NOUN
ajst-3250	69	6	pipe	pipe	NOUN
ajst-3250	69	7	joint	joint	NOUN
ajst-3250	69	8	are	be	AUX
ajst-3250	69	9	made	make	VERB
ajst-3250	69	10	of	of	ADP
ajst-3250	69	11	api	api	NOUN
ajst-3250	69	12	spec	spec	PROPN
ajst-3250	69	13	5dp	5dp	PROPN
ajst-3250	69	14	drill	drill	NOUN
ajst-3250	69	15	pipe	pipe	NOUN
ajst-3250	69	16	specification	specification	NOUN
ajst-3250	69	17	s135	s135	PROPN
ajst-3250	69	18	steel	steel	NOUN
ajst-3250	69	19	material	material	NOUN
ajst-3250	69	20	,	,	PUNCT
ajst-3250	69	21	which	which	PRON
ajst-3250	69	22	has	have	VERB
ajst-3250	69	23	high	high	ADJ
ajst-3250	69	24	strength	strength	NOUN
ajst-3250	69	25	and	and	CCONJ
ajst-3250	69	26	toughness	toughness	NOUN
ajst-3250	69	27	,	,	PUNCT
ajst-3250	69	28	good	good	ADJ
ajst-3250	69	29	hardenability	hardenability	NOUN
ajst-3250	69	30	,	,	PUNCT
ajst-3250	69	31	no	no	DET
ajst-3250	69	32	obvious	obvious	ADJ
ajst-3250	69	33	tempering	temper	VERB
ajst-3250	69	34	brittleness	brittleness	NOUN
ajst-3250	69	35	,	,	PUNCT
ajst-3250	69	36	high	high	ADJ
ajst-3250	69	37	fatigue	fatigue	NOUN
ajst-3250	69	38	limit	limit	NOUN
ajst-3250	69	39	and	and	CCONJ
ajst-3250	69	40	impact	impact	VERB
ajst-3250	69	41	resistance	resistance	NOUN
ajst-3250	69	42	after	after	ADP
ajst-3250	69	43	tempering	temper	VERB
ajst-3250	69	44	treatment	treatment	NOUN
ajst-3250	69	45	,	,	PUNCT
ajst-3250	69	46	and	and	CCONJ
ajst-3250	69	47	good	good	ADJ
ajst-3250	69	48	impact	impact	NOUN
ajst-3250	69	49	toughness	toughness	NOUN
ajst-3250	69	50	at	at	ADP
ajst-3250	69	51	low	low	ADJ
ajst-3250	69	52	temperature	temperature	NOUN
ajst-3250	69	53	.	.	PUNCT
ajst-3250	70	1	the	the	DET
ajst-3250	70	2	inner	inner	ADJ
ajst-3250	70	3	pipe	pipe	NOUN
ajst-3250	70	4	is	be	AUX
ajst-3250	70	5	zt380	zt380	VERB
ajst-3250	70	6	steel	steel	NOUN
ajst-3250	70	7	class	class	NOUN
ajst-3250	70	8	pipe	pipe	NOUN
ajst-3250	70	9	body	body	NOUN
ajst-3250	70	10	in	in	ADP
ajst-3250	70	11	gb	gb	PROPN
ajst-3250	70	12	/	/	SYM
ajst-3250	70	13	t	t	NOUN
ajst-3250	70	14	16950	16950	NUM
ajst-3250	70	15	-	-	SYM
ajst-3250	70	16	2014	2014	NUM
ajst-3250	70	17	"	"	PUNCT
ajst-3250	70	18	geological	geological	ADJ
ajst-3250	70	19	core	core	NOUN
ajst-3250	70	20	drilling	drilling	NOUN
ajst-3250	70	21	tool	tool	NOUN
ajst-3250	70	22	"	"	PUNCT
ajst-3250	70	23	standard	standard	NOUN
ajst-3250	70	24	.	.	PUNCT
ajst-3250	71	1	3	3	X
ajst-3250	71	2	.	.	X
ajst-3250	71	3	modular	modular	ADJ
ajst-3250	71	4	double	double	ADJ
ajst-3250	71	5	drill	drill	NOUN
ajst-3250	71	6	pipe	pipe	NOUN
ajst-3250	71	7	structure	structure	NOUN
ajst-3250	71	8	optimization	optimization	NOUN
ajst-3250	71	9	analysis	analysis	NOUN
ajst-3250	71	10	the	the	DET
ajst-3250	71	11	double	double	ADJ
ajst-3250	71	12	drill	drill	NOUN
ajst-3250	71	13	pipe	pipe	NOUN
ajst-3250	71	14	is	be	AUX
ajst-3250	71	15	an	an	DET
ajst-3250	71	16	important	important	ADJ
ajst-3250	71	17	part	part	NOUN
ajst-3250	71	18	of	of	ADP
ajst-3250	71	19	the	the	DET
ajst-3250	71	20	drill	drill	NOUN
ajst-3250	71	21	string	string	NOUN
ajst-3250	71	22	assembly	assembly	NOUN
ajst-3250	71	23	.	.	PUNCT
ajst-3250	72	1	it	it	PRON
ajst-3250	72	2	is	be	AUX
ajst-3250	72	3	located	locate	VERB
ajst-3250	72	4	in	in	ADP
ajst-3250	72	5	the	the	DET
ajst-3250	72	6	upper	upper	ADJ
ajst-3250	72	7	part	part	NOUN
ajst-3250	72	8	of	of	ADP
ajst-3250	72	9	the	the	DET
ajst-3250	72	10	drill	drill	NOUN
ajst-3250	72	11	string	string	NOUN
ajst-3250	72	12	and	and	CCONJ
ajst-3250	72	13	the	the	DET
ajst-3250	72	14	lower	low	ADJ
ajst-3250	72	15	part	part	NOUN
ajst-3250	72	16	of	of	ADP
ajst-3250	72	17	the	the	DET
ajst-3250	72	18	top	top	ADJ
ajst-3250	72	19	drive	drive	NOUN
ajst-3250	72	20	.	.	PUNCT
ajst-3250	73	1	the	the	DET
ajst-3250	73	2	double	double	ADJ
ajst-3250	73	3	drill	drill	NOUN
ajst-3250	73	4	pipe	pipe	NOUN
ajst-3250	73	5	is	be	AUX
ajst-3250	73	6	not	not	PART
ajst-3250	73	7	only	only	ADV
ajst-3250	73	8	the	the	DET
ajst-3250	73	9	channel	channel	NOUN
ajst-3250	73	10	of	of	ADP
ajst-3250	73	11	drilling	drilling	NOUN
ajst-3250	73	12	fluid	fluid	NOUN
ajst-3250	73	13	,	,	PUNCT
ajst-3250	73	14	but	but	CCONJ
ajst-3250	73	15	also	also	ADV
ajst-3250	73	16	the	the	DET
ajst-3250	73	17	channel	channel	NOUN
ajst-3250	73	18	of	of	ADP
ajst-3250	73	19	air	air	NOUN
ajst-3250	73	20	injection	injection	NOUN
ajst-3250	73	21	.	.	PUNCT
ajst-3250	74	1	it	it	PRON
ajst-3250	74	2	is	be	AUX
ajst-3250	74	3	subjected	subject	VERB
ajst-3250	74	4	to	to	ADP
ajst-3250	74	5	the	the	DET
ajst-3250	74	6	complex	complex	ADJ
ajst-3250	74	7	stress	stress	NOUN
ajst-3250	74	8	of	of	ADP
ajst-3250	74	9	tensile	tensile	NOUN
ajst-3250	74	10	force	force	NOUN
ajst-3250	74	11	,	,	PUNCT
ajst-3250	74	12	torque	torque	NOUN
ajst-3250	74	13	,	,	PUNCT
ajst-3250	74	14	bending	bend	VERB
ajst-3250	74	15	moment	moment	NOUN
ajst-3250	74	16	and	and	CCONJ
ajst-3250	74	17	vibration	vibration	NOUN
ajst-3250	74	18	load	load	NOUN
ajst-3250	74	19	.	.	PUNCT
ajst-3250	75	1	the	the	DET
ajst-3250	75	2	double	double	ADJ
ajst-3250	75	3	drill	drill	NOUN
ajst-3250	75	4	pipe	pipe	NOUN
ajst-3250	75	5	is	be	AUX
ajst-3250	75	6	an	an	DET
ajst-3250	75	7	intermediate	intermediate	ADJ
ajst-3250	75	8	joint	joint	ADJ
ajst-3250	75	9	structure	structure	NOUN
ajst-3250	75	10	connecting	connect	VERB
ajst-3250	75	11	the	the	DET
ajst-3250	75	12	top	top	ADJ
ajst-3250	75	13	drive	drive	NOUN
ajst-3250	75	14	and	and	CCONJ
ajst-3250	75	15	the	the	DET
ajst-3250	75	16	drill	drill	NOUN
ajst-3250	75	17	bit	bit	NOUN
ajst-3250	75	18	.	.	PUNCT
ajst-3250	76	1	since	since	SCONJ
ajst-3250	76	2	the	the	DET
ajst-3250	76	3	bottom	bottom	NOUN
ajst-3250	76	4	of	of	ADP
ajst-3250	76	5	the	the	DET
ajst-3250	76	6	drill	drill	NOUN
ajst-3250	76	7	pipe	pipe	NOUN
ajst-3250	76	8	is	be	AUX
ajst-3250	76	9	connected	connect	VERB
ajst-3250	76	10	with	with	ADP
ajst-3250	76	11	the	the	DET
ajst-3250	76	12	drill	drill	NOUN
ajst-3250	76	13	bit	bit	NOUN
ajst-3250	76	14	,	,	PUNCT
ajst-3250	76	15	the	the	DET
ajst-3250	76	16	load	load	NOUN
ajst-3250	76	17	during	during	ADP
ajst-3250	76	18	the	the	DET
ajst-3250	76	19	working	work	VERB
ajst-3250	76	20	process	process	NOUN
ajst-3250	76	21	of	of	ADP
ajst-3250	76	22	the	the	DET
ajst-3250	76	23	drill	drill	NOUN
ajst-3250	76	24	bit	bit	NOUN
ajst-3250	76	25	will	will	AUX
ajst-3250	76	26	be	be	AUX
ajst-3250	76	27	transferred	transfer	VERB
ajst-3250	76	28	to	to	ADP
ajst-3250	76	29	the	the	DET
ajst-3250	76	30	drill	drill	NOUN
ajst-3250	76	31	pipe	pipe	NOUN
ajst-3250	76	32	through	through	ADP
ajst-3250	76	33	the	the	DET
ajst-3250	76	34	connection	connection	NOUN
ajst-3250	76	35	between	between	ADP
ajst-3250	76	36	the	the	DET
ajst-3250	76	37	drill	drill	NOUN
ajst-3250	76	38	pipe	pipe	NOUN
ajst-3250	76	39	and	and	CCONJ
ajst-3250	76	40	the	the	DET
ajst-3250	76	41	drill	drill	NOUN
ajst-3250	76	42	bit	bit	NOUN
ajst-3250	76	43	,	,	PUNCT
ajst-3250	76	44	which	which	PRON
ajst-3250	76	45	requires	require	VERB
ajst-3250	76	46	that	that	SCONJ
ajst-3250	76	47	the	the	DET
ajst-3250	76	48	connection	connection	NOUN
ajst-3250	76	49	between	between	ADP
ajst-3250	76	50	the	the	DET
ajst-3250	76	51	drill	drill	NOUN
ajst-3250	76	52	pipe	pipe	NOUN
ajst-3250	76	53	and	and	CCONJ
ajst-3250	76	54	the	the	DET
ajst-3250	76	55	drill	drill	NOUN
ajst-3250	76	56	bit	bit	NOUN
ajst-3250	76	57	must	must	AUX
ajst-3250	76	58	be	be	AUX
ajst-3250	76	59	able	able	ADJ
ajst-3250	76	60	to	to	PART
ajst-3250	76	61	withstand	withstand	VERB
ajst-3250	76	62	huge	huge	ADJ
ajst-3250	76	63	internal	internal	ADJ
ajst-3250	76	64	and	and	CCONJ
ajst-3250	76	65	external	external	ADJ
ajst-3250	76	66	pressure	pressure	NOUN
ajst-3250	76	67	,	,	PUNCT
ajst-3250	76	68	distortion	distortion	NOUN
ajst-3250	76	69	,	,	PUNCT
ajst-3250	76	70	bending	bending	NOUN
ajst-3250	76	71	and	and	CCONJ
ajst-3250	76	72	vibration	vibration	NOUN
ajst-3250	76	73	.	.	PUNCT
ajst-3250	77	1	therefore	therefore	ADV
ajst-3250	77	2	,	,	PUNCT
ajst-3250	77	3	the	the	DET
ajst-3250	77	4	finite	finite	ADJ
ajst-3250	77	5	element	element	NOUN
ajst-3250	77	6	analysis	analysis	NOUN
ajst-3250	77	7	of	of	ADP
ajst-3250	77	8	the	the	DET
ajst-3250	77	9	double	double	ADJ
ajst-3250	77	10	drill	drill	NOUN
ajst-3250	77	11	pipe	pipe	NOUN
ajst-3250	77	12	is	be	AUX
ajst-3250	77	13	required	require	VERB
ajst-3250	77	14	.	.	PUNCT
ajst-3250	78	1	check	check	VERB
ajst-3250	78	2	whether	whether	SCONJ
ajst-3250	78	3	its	its	PRON
ajst-3250	78	4	strength	strength	NOUN
ajst-3250	78	5	and	and	CCONJ
ajst-3250	78	6	stiffness	stiffness	NOUN
ajst-3250	78	7	meet	meet	VERB
ajst-3250	78	8	the	the	DET
ajst-3250	78	9	design	design	NOUN
ajst-3250	78	10	requirements	requirement	NOUN
ajst-3250	78	11	,	,	PUNCT
ajst-3250	78	12	in	in	ADP
ajst-3250	78	13	order	order	NOUN
ajst-3250	78	14	to	to	PART
ajst-3250	78	15	avoid	avoid	VERB
ajst-3250	78	16	the	the	DET
ajst-3250	78	17	phenomenon	phenomenon	NOUN
ajst-3250	78	18	of	of	ADP
ajst-3250	78	19	stuck	stuck	ADJ
ajst-3250	78	20	and	and	CCONJ
ajst-3250	78	21	dedrilling	dedrille	VERB
ajst-3250	78	22	in	in	ADP
ajst-3250	78	23	the	the	DET
ajst-3250	78	24	drilling	drilling	NOUN
ajst-3250	78	25	process	process	NOUN
ajst-3250	78	26	.	.	PUNCT
ajst-3250	79	1	3.1	3.1	NUM
ajst-3250	79	2	.	.	PUNCT
ajst-3250	80	1	statics	statics	NOUN
ajst-3250	80	2	analysis	analysis	NOUN
ajst-3250	80	3	of	of	ADP
ajst-3250	80	4	modular	modular	ADJ
ajst-3250	80	5	double	double	ADJ
ajst-3250	80	6	drill	drill	NOUN
ajst-3250	80	7	pipe	pipe	NOUN
ajst-3250	80	8	the	the	DET
ajst-3250	80	9	drill	drill	NOUN
ajst-3250	80	10	pipe	pipe	NOUN
ajst-3250	80	11	is	be	AUX
ajst-3250	80	12	subjected	subject	VERB
ajst-3250	80	13	to	to	ADP
ajst-3250	80	14	a	a	DET
ajst-3250	80	15	combination	combination	NOUN
ajst-3250	80	16	of	of	ADP
ajst-3250	80	17	pressure	pressure	NOUN
ajst-3250	80	18	,	,	PUNCT
ajst-3250	80	19	torque	torque	NOUN
ajst-3250	80	20	,	,	PUNCT
ajst-3250	80	21	and	and	CCONJ
ajst-3250	80	22	internal	internal	ADJ
ajst-3250	80	23	and	and	CCONJ
ajst-3250	80	24	external	external	ADJ
ajst-3250	80	25	pressure	pressure	NOUN
ajst-3250	80	26	during	during	ADP
ajst-3250	80	27	drilling	drilling	NOUN
ajst-3250	80	28	.	.	PUNCT
ajst-3250	81	1	three	three	NUM
ajst-3250	81	2	-	-	PUNCT
ajst-3250	81	3	dimensional	dimensional	ADJ
ajst-3250	81	4	modeling	modeling	NOUN
ajst-3250	81	5	software	software	NOUN
ajst-3250	81	6	ug	ug	ADP
ajst-3250	81	7	was	be	AUX
ajst-3250	81	8	used	use	VERB
ajst-3250	81	9	to	to	PART
ajst-3250	81	10	establish	establish	VERB
ajst-3250	81	11	the	the	DET
ajst-3250	81	12	three	three	NUM
ajst-3250	81	13	-	-	PUNCT
ajst-3250	81	14	dimensional	dimensional	ADJ
ajst-3250	81	15	model	model	NOUN
ajst-3250	81	16	of	of	ADP
ajst-3250	81	17	double	double	ADJ
ajst-3250	81	18	-	-	PUNCT
ajst-3250	81	19	layer	layer	NOUN
ajst-3250	81	20	drill	drill	NOUN
ajst-3250	81	21	pipe	pipe	NOUN
ajst-3250	81	22	,	,	PUNCT
ajst-3250	81	23	and	and	CCONJ
ajst-3250	81	24	the	the	DET
ajst-3250	81	25	model	model	NOUN
ajst-3250	81	26	was	be	AUX
ajst-3250	81	27	imported	import	VERB
ajst-3250	81	28	to	to	PART
ajst-3250	81	29	workbench	workbench	VERB
ajst-3250	81	30	for	for	ADP
ajst-3250	81	31	analysis	analysis	NOUN
ajst-3250	81	32	.	.	PUNCT
ajst-3250	82	1	when	when	SCONJ
ajst-3250	82	2	adding	add	VERB
ajst-3250	82	3	constraints	constraint	NOUN
ajst-3250	82	4	,	,	PUNCT
ajst-3250	82	5	the	the	DET
ajst-3250	82	6	actual	actual	ADJ
ajst-3250	82	7	force	force	NOUN
ajst-3250	82	8	of	of	ADP
ajst-3250	82	9	the	the	DET
ajst-3250	82	10	double	double	ADJ
ajst-3250	82	11	drill	drill	NOUN
ajst-3250	82	12	pipe	pipe	NOUN
ajst-3250	82	13	is	be	AUX
ajst-3250	82	14	considered	consider	VERB
ajst-3250	82	15	to	to	PART
ajst-3250	82	16	define	define	VERB
ajst-3250	82	17	the	the	DET
ajst-3250	82	18	boundary	boundary	ADJ
ajst-3250	82	19	conditions	condition	NOUN
ajst-3250	82	20	,	,	PUNCT
ajst-3250	82	21	and	and	CCONJ
ajst-3250	82	22	the	the	DET
ajst-3250	82	23	applicable	applicable	ADJ
ajst-3250	82	24	range	range	NOUN
ajst-3250	82	25	of	of	ADP
ajst-3250	82	26	the	the	DET
ajst-3250	82	27	gas	gas	NOUN
ajst-3250	82	28	lift	lift	NOUN
ajst-3250	82	29	positive	positive	ADJ
ajst-3250	82	30	circulation	circulation	NOUN
ajst-3250	82	31	drilling	drilling	NOUN
ajst-3250	82	32	process	process	NOUN
ajst-3250	82	33	is	be	AUX
ajst-3250	82	34	considered	consider	VERB
ajst-3250	82	35	only	only	ADV
ajst-3250	82	36	when	when	SCONJ
ajst-3250	82	37	the	the	DET
ajst-3250	82	38	drill	drill	NOUN
ajst-3250	82	39	pipe	pipe	NOUN
ajst-3250	82	40	is	be	AUX
ajst-3250	82	41	run	run	VERB
ajst-3250	82	42	within	within	ADP
ajst-3250	82	43	1500	1500	NUM
ajst-3250	82	44	m.	m.	NOUN
ajst-3250	82	45	the	the	DET
ajst-3250	82	46	fixed	fix	VERB
ajst-3250	82	47	constraints	constraint	NOUN
ajst-3250	82	48	are	be	AUX
ajst-3250	82	49	applied	apply	VERB
ajst-3250	82	50	to	to	ADP
ajst-3250	82	51	the	the	DET
ajst-3250	82	52	conical	conical	ADJ
ajst-3250	82	53	surface	surface	NOUN
ajst-3250	82	54	where	where	SCONJ
ajst-3250	82	55	the	the	DET
ajst-3250	82	56	drill	drill	NOUN
ajst-3250	82	57	pipe	pipe	NOUN
ajst-3250	82	58	joint	joint	NOUN
ajst-3250	82	59	(	(	PUNCT
ajst-3250	82	60	internal	internal	ADJ
ajst-3250	82	61	thread	thread	NOUN
ajst-3250	82	62	)	)	PUNCT
ajst-3250	82	63	is	be	AUX
ajst-3250	82	64	located	locate	VERB
ajst-3250	82	65	and	and	CCONJ
ajst-3250	82	66	the	the	DET
ajst-3250	82	67	external	external	ADJ
ajst-3250	82	68	thread	thread	NOUN
ajst-3250	82	69	surface	surface	NOUN
ajst-3250	82	70	of	of	ADP
ajst-3250	82	71	the	the	DET
ajst-3250	82	72	inner	inner	ADJ
ajst-3250	82	73	pipe	pipe	NOUN
ajst-3250	82	74	nipple	nipple	NOUN
ajst-3250	82	75	of	of	ADP
ajst-3250	82	76	the	the	DET
ajst-3250	82	77	upper	upper	ADJ
ajst-3250	82	78	joint	joint	NOUN
ajst-3250	82	79	.	.	PUNCT
ajst-3250	83	1	the	the	DET
ajst-3250	83	2	pressure	pressure	NOUN
ajst-3250	83	3	load	load	NOUN
ajst-3250	83	4	of	of	ADP
ajst-3250	83	5	30kn	30kn	ADJ
ajst-3250	83	6	is	be	AUX
ajst-3250	83	7	applied	apply	VERB
ajst-3250	83	8	to	to	ADP
ajst-3250	83	9	the	the	DET
ajst-3250	83	10	conical	conical	ADJ
ajst-3250	83	11	surface	surface	NOUN
ajst-3250	83	12	where	where	SCONJ
ajst-3250	83	13	the	the	DET
ajst-3250	83	14	drill	drill	NOUN
ajst-3250	83	15	pipe	pipe	NOUN
ajst-3250	83	16	joint	joint	NOUN
ajst-3250	83	17	(	(	PUNCT
ajst-3250	83	18	external	external	ADJ
ajst-3250	83	19	thread	thread	NOUN
ajst-3250	83	20	)	)	PUNCT
ajst-3250	83	21	is	be	AUX
ajst-3250	83	22	located	locate	VERB
ajst-3250	83	23	and	and	CCONJ
ajst-3250	83	24	the	the	DET
ajst-3250	83	25	external	external	ADJ
ajst-3250	83	26	thread	thread	NOUN
ajst-3250	83	27	surface	surface	NOUN
ajst-3250	83	28	of	of	ADP
ajst-3250	83	29	the	the	DET
ajst-3250	83	30	inner	inner	ADJ
ajst-3250	83	31	pipe	pipe	NOUN
ajst-3250	83	32	sub	sub	NOUN
ajst-3250	83	33	of	of	ADP
ajst-3250	83	34	the	the	DET
ajst-3250	83	35	lower	low	ADJ
ajst-3250	83	36	joint	joint	NOUN
ajst-3250	83	37	.	.	PUNCT
ajst-3250	84	1	the	the	DET
ajst-3250	84	2	external	external	ADJ
ajst-3250	84	3	pressure	pressure	NOUN
ajst-3250	84	4	of	of	ADP
ajst-3250	84	5	15mpa	15mpa	NOUN
ajst-3250	84	6	is	be	AUX
ajst-3250	84	7	applied	apply	VERB
ajst-3250	84	8	to	to	ADP
ajst-3250	84	9	the	the	DET
ajst-3250	84	10	outer	outer	ADJ
ajst-3250	84	11	surface	surface	NOUN
ajst-3250	84	12	of	of	ADP
ajst-3250	84	13	the	the	DET
ajst-3250	84	14	double	double	ADJ
ajst-3250	84	15	drill	drill	NOUN
ajst-3250	84	16	pipe	pipe	NOUN
ajst-3250	84	17	,	,	PUNCT
ajst-3250	84	18	and	and	CCONJ
ajst-3250	84	19	the	the	DET
ajst-3250	84	20	internal	internal	ADJ
ajst-3250	84	21	pressure	pressure	NOUN
ajst-3250	84	22	of	of	ADP
ajst-3250	84	23	20mpa	20mpa	NOUN
ajst-3250	84	24	is	be	AUX
ajst-3250	84	25	applied	apply	VERB
ajst-3250	84	26	to	to	ADP
ajst-3250	84	27	the	the	DET
ajst-3250	84	28	outer	outer	ADJ
ajst-3250	84	29	surface	surface	NOUN
ajst-3250	84	30	of	of	ADP
ajst-3250	84	31	the	the	DET
ajst-3250	84	32	inner	inner	ADJ
ajst-3250	84	33	pipe	pipe	NOUN
ajst-3250	84	34	at	at	ADP
ajst-3250	84	35	the	the	DET
ajst-3250	84	36	inner	inner	ADJ
ajst-3250	84	37	surface	surface	NOUN
ajst-3250	84	38	level	level	NOUN
ajst-3250	84	39	.	.	PUNCT
ajst-3250	85	1	the	the	DET
ajst-3250	85	2	rotating	rotate	VERB
ajst-3250	85	3	speed	speed	NOUN
ajst-3250	85	4	of	of	ADP
ajst-3250	85	5	the	the	DET
ajst-3250	85	6	double	double	ADJ
ajst-3250	85	7	drill	drill	NOUN
ajst-3250	85	8	pipe	pipe	NOUN
ajst-3250	85	9	is	be	AUX
ajst-3250	85	10	200r	200r	NUM
ajst-3250	85	11	/	/	SYM
ajst-3250	85	12	min	min	NOUN
ajst-3250	85	13	.	.	PUNCT
ajst-3250	86	1	the	the	DET
ajst-3250	86	2	overall	overall	ADJ
ajst-3250	86	3	torque	torque	NOUN
ajst-3250	86	4	rating	rating	NOUN
ajst-3250	86	5	of	of	ADP
ajst-3250	86	6	22kn.m	22kn.m	NUM
ajst-3250	86	7	is	be	AUX
ajst-3250	86	8	applied	apply	VERB
ajst-3250	86	9	,	,	PUNCT
ajst-3250	86	10	and	and	CCONJ
ajst-3250	86	11	the	the	DET
ajst-3250	86	12	influence	influence	NOUN
ajst-3250	86	13	of	of	ADP
ajst-3250	86	14	the	the	DET
ajst-3250	86	15	overall	overall	ADJ
ajst-3250	86	16	dead	dead	ADJ
ajst-3250	86	17	weight	weight	NOUN
ajst-3250	86	18	is	be	AUX
ajst-3250	86	19	considered	consider	VERB
ajst-3250	86	20	.	.	PUNCT
ajst-3250	87	1	the	the	DET
ajst-3250	87	2	stress	stress	NOUN
ajst-3250	87	3	-	-	PUNCT
ajst-3250	87	4	strain	strain	NOUN
ajst-3250	87	5	nephogram	nephogram	NOUN
ajst-3250	87	6	is	be	AUX
ajst-3250	87	7	shown	show	VERB
ajst-3250	87	8	in	in	ADP
ajst-3250	87	9	fig.3	fig.3	PROPN
ajst-3250	87	10	.	.	PUNCT
ajst-3250	88	1	(	(	PUNCT
ajst-3250	88	2	a)stress	a)stress	NOUN
ajst-3250	88	3	cloud	cloud	NOUN
ajst-3250	88	4	map	map	NOUN
ajst-3250	88	5	(	(	PUNCT
ajst-3250	88	6	b)strain	b)strain	PROPN
ajst-3250	88	7	cloud	cloud	NOUN
ajst-3250	88	8	map	map	NOUN
ajst-3250	88	9	(	(	PUNCT
ajst-3250	88	10	c)local	c)local	ADJ
ajst-3250	88	11	stress	stress	NOUN
ajst-3250	88	12	nephogram	nephogram	NOUN
ajst-3250	88	13	(	(	PUNCT
ajst-3250	88	14	d)strain	d)strain	VERB
ajst-3250	88	15	local	local	ADJ
ajst-3250	88	16	cloud	cloud	NOUN
ajst-3250	88	17	image	image	NOUN
ajst-3250	88	18	figure	figure	NOUN
ajst-3250	88	19	3	3	NUM
ajst-3250	88	20	.	.	PUNCT
ajst-3250	88	21	stress	stress	NOUN
ajst-3250	88	22	-	-	PUNCT
ajst-3250	88	23	strain	strain	NOUN
ajst-3250	88	24	nephogram	nephogram	NOUN
ajst-3250	88	25	of	of	ADP
ajst-3250	88	26	modular	modular	ADJ
ajst-3250	88	27	double	double	ADJ
ajst-3250	88	28	drill	drill	NOUN
ajst-3250	88	29	pipe	pipe	NOUN
ajst-3250	88	30	.	.	PUNCT
ajst-3250	89	1	44	44	NUM
ajst-3250	89	2	the	the	DET
ajst-3250	89	3	common	common	ADJ
ajst-3250	89	4	drill	drill	NOUN
ajst-3250	89	5	pipe	pipe	NOUN
ajst-3250	89	6	material	material	NOUN
ajst-3250	89	7	of	of	ADP
ajst-3250	89	8	modular	modular	ADJ
ajst-3250	89	9	double	double	ADJ
ajst-3250	89	10	-	-	PUNCT
ajst-3250	89	11	deck	deck	NOUN
ajst-3250	89	12	drill	drill	NOUN
ajst-3250	89	13	pipe	pipe	NOUN
ajst-3250	89	14	is	be	AUX
ajst-3250	89	15	26crmo	26crmo	NUM
ajst-3250	89	16	,	,	PUNCT
ajst-3250	89	17	the	the	DET
ajst-3250	89	18	yield	yield	NOUN
ajst-3250	89	19	strength	strength	NOUN
ajst-3250	89	20	is	be	AUX
ajst-3250	89	21	835	835	NUM
ajst-3250	89	22	mpa	mpa	NOUN
ajst-3250	89	23	,	,	PUNCT
ajst-3250	89	24	the	the	DET
ajst-3250	89	25	safety	safety	NOUN
ajst-3250	89	26	factor	factor	NOUN
ajst-3250	89	27	is	be	AUX
ajst-3250	89	28	1.15	1.15	NUM
ajst-3250	89	29	,	,	PUNCT
ajst-3250	89	30	and	and	CCONJ
ajst-3250	89	31	the	the	DET
ajst-3250	89	32	allowable	allowable	ADJ
ajst-3250	89	33	stress	stress	NOUN
ajst-3250	89	34	is	be	AUX
ajst-3250	89	35	726mpa	726mpa	NUM
ajst-3250	89	36	.	.	PUNCT
ajst-3250	90	1	the	the	DET
ajst-3250	90	2	drill	drill	NOUN
ajst-3250	90	3	pipe	pipe	NOUN
ajst-3250	90	4	joint	joint	NOUN
ajst-3250	90	5	,	,	PUNCT
ajst-3250	90	6	inner	inner	ADJ
ajst-3250	90	7	pipe	pipe	NOUN
ajst-3250	90	8	body	body	NOUN
ajst-3250	90	9	,	,	PUNCT
ajst-3250	90	10	upper	upper	ADJ
ajst-3250	90	11	(	(	PUNCT
ajst-3250	90	12	lower	low	ADJ
ajst-3250	90	13	)	)	PUNCT
ajst-3250	90	14	inner	inner	ADJ
ajst-3250	90	15	pipe	pipe	NOUN
ajst-3250	90	16	sub	sub	NOUN
ajst-3250	90	17	and	and	CCONJ
ajst-3250	90	18	positioning	positioning	NOUN
ajst-3250	90	19	ring	ring	NOUN
ajst-3250	90	20	are	be	AUX
ajst-3250	90	21	made	make	VERB
ajst-3250	90	22	of	of	ADP
ajst-3250	90	23	42crmo	42crmo	NUM
ajst-3250	90	24	,	,	PUNCT
ajst-3250	90	25	yield	yield	NOUN
ajst-3250	90	26	strength	strength	NOUN
ajst-3250	90	27	is	be	AUX
ajst-3250	90	28	930	930	NUM
ajst-3250	90	29	mpa	mpa	NOUN
ajst-3250	90	30	,	,	PUNCT
ajst-3250	90	31	safety	safety	NOUN
ajst-3250	90	32	factor	factor	NOUN
ajst-3250	90	33	is	be	AUX
ajst-3250	90	34	1.15	1.15	NUM
ajst-3250	90	35	,	,	PUNCT
ajst-3250	90	36	and	and	CCONJ
ajst-3250	90	37	allowable	allowable	ADJ
ajst-3250	90	38	stress	stress	NOUN
ajst-3250	90	39	is	be	AUX
ajst-3250	90	40	808mpa	808mpa	NUM
ajst-3250	90	41	.	.	PUNCT
ajst-3250	91	1	the	the	DET
ajst-3250	91	2	local	local	ADJ
ajst-3250	91	3	stress	stress	NOUN
ajst-3250	91	4	-	-	PUNCT
ajst-3250	91	5	strain	strain	NOUN
ajst-3250	91	6	nephogram	nephogram	NOUN
ajst-3250	91	7	was	be	AUX
ajst-3250	91	8	taken	take	VERB
ajst-3250	91	9	respectively	respectively	ADV
ajst-3250	91	10	to	to	PART
ajst-3250	91	11	analyze	analyze	VERB
ajst-3250	91	12	the	the	DET
ajst-3250	91	13	maximum	maximum	ADJ
ajst-3250	91	14	stress	stress	NOUN
ajst-3250	91	15	-	-	PUNCT
ajst-3250	91	16	strain	strain	NOUN
ajst-3250	91	17	,	,	PUNCT
ajst-3250	91	18	as	as	SCONJ
ajst-3250	91	19	shown	show	VERB
ajst-3250	91	20	in	in	ADP
ajst-3250	91	21	figure	figure	NOUN
ajst-3250	91	22	5	5	NUM
ajst-3250	91	23	.	.	PUNCT
ajst-3250	92	1	at	at	ADP
ajst-3250	92	2	the	the	DET
ajst-3250	92	3	upper	upper	ADJ
ajst-3250	92	4	end	end	NOUN
ajst-3250	92	5	of	of	ADP
ajst-3250	92	6	the	the	DET
ajst-3250	92	7	modular	modular	ADJ
ajst-3250	92	8	double	double	ADJ
ajst-3250	92	9	-	-	PUNCT
ajst-3250	92	10	layer	layer	NOUN
ajst-3250	92	11	drill	drill	NOUN
ajst-3250	92	12	pipe	pipe	NOUN
ajst-3250	92	13	,	,	PUNCT
ajst-3250	92	14	stress	stress	NOUN
ajst-3250	92	15	concentration	concentration	NOUN
ajst-3250	92	16	occurred	occur	VERB
ajst-3250	92	17	at	at	ADP
ajst-3250	92	18	the	the	DET
ajst-3250	92	19	male	male	ADJ
ajst-3250	92	20	link	link	NOUN
ajst-3250	92	21	of	of	ADP
ajst-3250	92	22	the	the	DET
ajst-3250	92	23	drill	drill	NOUN
ajst-3250	92	24	pipe	pipe	NOUN
ajst-3250	92	25	short	short	ADJ
ajst-3250	92	26	section	section	NOUN
ajst-3250	92	27	and	and	CCONJ
ajst-3250	92	28	the	the	DET
ajst-3250	92	29	female	female	ADJ
ajst-3250	92	30	link	link	NOUN
ajst-3250	92	31	of	of	ADP
ajst-3250	92	32	the	the	DET
ajst-3250	92	33	drill	drill	NOUN
ajst-3250	92	34	pipe	pipe	NOUN
ajst-3250	92	35	joint	joint	NOUN
ajst-3250	92	36	.	.	PUNCT
ajst-3250	93	1	the	the	DET
ajst-3250	93	2	maximum	maximum	ADJ
ajst-3250	93	3	stress	stress	NOUN
ajst-3250	93	4	at	at	ADP
ajst-3250	93	5	the	the	DET
ajst-3250	93	6	male	male	ADJ
ajst-3250	93	7	link	link	NOUN
ajst-3250	93	8	of	of	ADP
ajst-3250	93	9	the	the	DET
ajst-3250	93	10	drill	drill	NOUN
ajst-3250	93	11	pipe	pipe	NOUN
ajst-3250	93	12	joint	joint	NOUN
ajst-3250	93	13	was	be	AUX
ajst-3250	93	14	744mpa	744mpa	NUM
ajst-3250	93	15	,	,	PUNCT
ajst-3250	93	16	less	less	ADJ
ajst-3250	93	17	than	than	ADP
ajst-3250	93	18	the	the	DET
ajst-3250	93	19	allowable	allowable	ADJ
ajst-3250	93	20	stress	stress	NOUN
ajst-3250	93	21	of	of	ADP
ajst-3250	93	22	the	the	DET
ajst-3250	93	23	material	material	NOUN
ajst-3250	93	24	.	.	PUNCT
ajst-3250	94	1	the	the	DET
ajst-3250	94	2	maximum	maximum	ADJ
ajst-3250	94	3	stress	stress	NOUN
ajst-3250	94	4	of	of	ADP
ajst-3250	94	5	the	the	DET
ajst-3250	94	6	female	female	ADJ
ajst-3250	94	7	joint	joint	NOUN
ajst-3250	94	8	of	of	ADP
ajst-3250	94	9	the	the	DET
ajst-3250	94	10	outer	outer	ADJ
ajst-3250	94	11	bar	bar	NOUN
ajst-3250	94	12	is	be	AUX
ajst-3250	94	13	248mpa	248mpa	NUM
ajst-3250	94	14	,	,	PUNCT
ajst-3250	94	15	which	which	PRON
ajst-3250	94	16	is	be	AUX
ajst-3250	94	17	less	less	ADJ
ajst-3250	94	18	than	than	ADP
ajst-3250	94	19	the	the	DET
ajst-3250	94	20	allowable	allowable	ADJ
ajst-3250	94	21	stress	stress	NOUN
ajst-3250	94	22	of	of	ADP
ajst-3250	94	23	the	the	DET
ajst-3250	94	24	material	material	NOUN
ajst-3250	94	25	.	.	PUNCT
ajst-3250	95	1	the	the	DET
ajst-3250	95	2	maximum	maximum	ADJ
ajst-3250	95	3	deformation	deformation	NOUN
ajst-3250	95	4	of	of	ADP
ajst-3250	95	5	the	the	DET
ajst-3250	95	6	male	male	ADJ
ajst-3250	95	7	link	link	NOUN
ajst-3250	95	8	of	of	ADP
ajst-3250	95	9	the	the	DET
ajst-3250	95	10	drill	drill	NOUN
ajst-3250	95	11	pipe	pipe	NOUN
ajst-3250	95	12	short	short	ADJ
ajst-3250	95	13	section	section	NOUN
ajst-3250	95	14	and	and	CCONJ
ajst-3250	95	15	the	the	DET
ajst-3250	95	16	female	female	ADJ
ajst-3250	95	17	link	link	NOUN
ajst-3250	95	18	of	of	ADP
ajst-3250	95	19	the	the	DET
ajst-3250	95	20	drill	drill	NOUN
ajst-3250	95	21	pipe	pipe	NOUN
ajst-3250	95	22	joint	joint	NOUN
ajst-3250	95	23	is	be	AUX
ajst-3250	95	24	4.6	4.6	NUM
ajst-3250	95	25	mm	mm	NOUN
ajst-3250	95	26	,	,	PUNCT
ajst-3250	95	27	which	which	PRON
ajst-3250	95	28	is	be	AUX
ajst-3250	95	29	caused	cause	VERB
ajst-3250	95	30	by	by	ADP
ajst-3250	95	31	the	the	DET
ajst-3250	95	32	weight	weight	NOUN
ajst-3250	95	33	on	on	ADP
ajst-3250	95	34	bit	bit	NOUN
ajst-3250	95	35	applied	apply	VERB
ajst-3250	95	36	to	to	ADP
ajst-3250	95	37	the	the	DET
ajst-3250	95	38	double	double	ADJ
ajst-3250	95	39	drill	drill	NOUN
ajst-3250	95	40	pipe	pipe	NOUN
ajst-3250	95	41	along	along	ADP
ajst-3250	95	42	the	the	DET
ajst-3250	95	43	borehole	borehole	NOUN
ajst-3250	95	44	direction	direction	NOUN
ajst-3250	95	45	.	.	PUNCT
ajst-3250	96	1	the	the	DET
ajst-3250	96	2	deformation	deformation	NOUN
ajst-3250	96	3	is	be	AUX
ajst-3250	96	4	less	less	ADJ
ajst-3250	96	5	than	than	ADP
ajst-3250	96	6	the	the	DET
ajst-3250	96	7	allowable	allowable	ADJ
ajst-3250	96	8	deformation	deformation	NOUN
ajst-3250	96	9	of	of	ADP
ajst-3250	96	10	5.1	5.1	NUM
ajst-3250	96	11	mm	mm	NOUN
ajst-3250	96	12	in	in	ADP
ajst-3250	96	13	the	the	DET
ajst-3250	96	14	body	body	NOUN
ajst-3250	96	15	length	length	NOUN
ajst-3250	96	16	direction	direction	NOUN
ajst-3250	96	17	,	,	PUNCT
ajst-3250	96	18	so	so	CCONJ
ajst-3250	96	19	the	the	DET
ajst-3250	96	20	strength	strength	NOUN
ajst-3250	96	21	and	and	CCONJ
ajst-3250	96	22	stiffness	stiffness	NOUN
ajst-3250	96	23	of	of	ADP
ajst-3250	96	24	the	the	DET
ajst-3250	96	25	modular	modular	ADJ
ajst-3250	96	26	double	double	ADJ
ajst-3250	96	27	drill	drill	NOUN
ajst-3250	96	28	pipe	pipe	NOUN
ajst-3250	96	29	can	can	AUX
ajst-3250	96	30	meet	meet	VERB
ajst-3250	96	31	the	the	DET
ajst-3250	96	32	application	application	NOUN
ajst-3250	96	33	requirements	requirement	NOUN
ajst-3250	96	34	.	.	PUNCT
ajst-3250	97	1	in	in	ADP
ajst-3250	97	2	conclusion	conclusion	NOUN
ajst-3250	97	3	,	,	PUNCT
ajst-3250	97	4	considering	consider	VERB
ajst-3250	97	5	the	the	DET
ajst-3250	97	6	strength	strength	NOUN
ajst-3250	97	7	and	and	CCONJ
ajst-3250	97	8	stiffness	stiffness	NOUN
ajst-3250	97	9	of	of	ADP
ajst-3250	97	10	the	the	DET
ajst-3250	97	11	overall	overall	ADJ
ajst-3250	97	12	structure	structure	NOUN
ajst-3250	97	13	,	,	PUNCT
ajst-3250	97	14	the	the	DET
ajst-3250	97	15	drill	drill	NOUN
ajst-3250	97	16	pipe	pipe	NOUN
ajst-3250	97	17	short	short	ADJ
ajst-3250	97	18	joint	joint	ADJ
ajst-3250	97	19	thread	thread	NOUN
ajst-3250	97	20	can	can	AUX
ajst-3250	97	21	be	be	AUX
ajst-3250	97	22	strengthened	strengthen	VERB
ajst-3250	97	23	to	to	PART
ajst-3250	97	24	meet	meet	VERB
ajst-3250	97	25	the	the	DET
ajst-3250	97	26	needs	need	NOUN
ajst-3250	97	27	of	of	ADP
ajst-3250	97	28	complex	complex	ADJ
ajst-3250	97	29	working	working	ADJ
ajst-3250	97	30	conditions	condition	NOUN
ajst-3250	97	31	.	.	PUNCT
ajst-3250	98	1	3.2	3.2	NUM
ajst-3250	98	2	.	.	PUNCT
ajst-3250	99	1	numerical	numerical	ADJ
ajst-3250	99	2	analysis	analysis	NOUN
ajst-3250	99	3	of	of	ADP
ajst-3250	99	4	pressure	pressure	NOUN
ajst-3250	99	5	loss	loss	NOUN
ajst-3250	99	6	compared	compare	VERB
ajst-3250	99	7	with	with	ADP
ajst-3250	99	8	conventional	conventional	ADJ
ajst-3250	99	9	single	single	ADJ
ajst-3250	99	10	-	-	PUNCT
ajst-3250	99	11	layer	layer	NOUN
ajst-3250	99	12	drilling	drilling	NOUN
ajst-3250	99	13	pipe	pipe	NOUN
ajst-3250	99	14	,	,	PUNCT
ajst-3250	99	15	modular	modular	ADJ
ajst-3250	99	16	double	double	ADJ
ajst-3250	99	17	-	-	PUNCT
ajst-3250	99	18	layer	layer	NOUN
ajst-3250	99	19	drilling	drilling	NOUN
ajst-3250	99	20	pipe	pipe	NOUN
ajst-3250	99	21	has	have	VERB
ajst-3250	99	22	a	a	DET
ajst-3250	99	23	larger	large	ADJ
ajst-3250	99	24	pressure	pressure	NOUN
ajst-3250	99	25	loss	loss	NOUN
ajst-3250	99	26	in	in	ADP
ajst-3250	99	27	the	the	DET
ajst-3250	99	28	process	process	NOUN
ajst-3250	99	29	of	of	ADP
ajst-3250	99	30	drilling	drill	VERB
ajst-3250	99	31	fluid	fluid	ADJ
ajst-3250	99	32	flow	flow	NOUN
ajst-3250	99	33	.	.	PUNCT
ajst-3250	100	1	in	in	ADP
ajst-3250	100	2	order	order	NOUN
ajst-3250	100	3	to	to	PART
ajst-3250	100	4	better	well	ADV
ajst-3250	100	5	verify	verify	VERB
ajst-3250	100	6	the	the	DET
ajst-3250	100	7	feasibility	feasibility	NOUN
ajst-3250	100	8	of	of	ADP
ajst-3250	100	9	gas	gas	NOUN
ajst-3250	100	10	-	-	PUNCT
ajst-3250	100	11	lift	lift	NOUN
ajst-3250	100	12	positive	positive	ADJ
ajst-3250	100	13	circulation	circulation	NOUN
ajst-3250	100	14	drilling	drill	VERB
ajst-3250	100	15	technology	technology	NOUN
ajst-3250	100	16	and	and	CCONJ
ajst-3250	100	17	which	which	PRON
ajst-3250	100	18	drilling	drill	VERB
ajst-3250	100	19	fluid	fluid	ADJ
ajst-3250	100	20	injection	injection	NOUN
ajst-3250	100	21	scheme	scheme	NOUN
ajst-3250	100	22	is	be	AUX
ajst-3250	100	23	more	more	ADV
ajst-3250	100	24	advantageous	advantageous	ADJ
ajst-3250	100	25	in	in	ADP
ajst-3250	100	26	technology	technology	NOUN
ajst-3250	100	27	,	,	PUNCT
ajst-3250	100	28	it	it	PRON
ajst-3250	100	29	is	be	AUX
ajst-3250	100	30	necessary	necessary	ADJ
ajst-3250	100	31	to	to	PART
ajst-3250	100	32	conduct	conduct	VERB
ajst-3250	100	33	a	a	DET
ajst-3250	100	34	comparative	comparative	ADJ
ajst-3250	100	35	analysis	analysis	NOUN
ajst-3250	100	36	of	of	ADP
ajst-3250	100	37	pressure	pressure	NOUN
ajst-3250	100	38	loss	loss	NOUN
ajst-3250	100	39	between	between	ADP
ajst-3250	100	40	internal	internal	ADJ
ajst-3250	100	41	drilling	drilling	NOUN
ajst-3250	100	42	fluid	fluid	NOUN
ajst-3250	100	43	injection	injection	NOUN
ajst-3250	100	44	scheme	scheme	NOUN
ajst-3250	100	45	and	and	CCONJ
ajst-3250	100	46	annular	annular	ADJ
ajst-3250	100	47	drilling	drilling	NOUN
ajst-3250	100	48	fluid	fluid	NOUN
ajst-3250	100	49	injection	injection	NOUN
ajst-3250	100	50	scheme	scheme	NOUN
ajst-3250	100	51	.	.	PUNCT
ajst-3250	101	1	in	in	ADP
ajst-3250	101	2	this	this	DET
ajst-3250	101	3	paper	paper	NOUN
ajst-3250	101	4	,	,	PUNCT
ajst-3250	101	5	cfd	cfd	NOUN
ajst-3250	101	6	software	software	NOUN
ajst-3250	101	7	is	be	AUX
ajst-3250	101	8	used	use	VERB
ajst-3250	101	9	to	to	PART
ajst-3250	101	10	analyze	analyze	VERB
ajst-3250	101	11	and	and	CCONJ
ajst-3250	101	12	optimize	optimize	VERB
ajst-3250	101	13	the	the	DET
ajst-3250	101	14	pressure	pressure	NOUN
ajst-3250	101	15	loss	loss	NOUN
ajst-3250	101	16	of	of	ADP
ajst-3250	101	17	the	the	DET
ajst-3250	101	18	flow	flow	NOUN
ajst-3250	101	19	passage	passage	NOUN
ajst-3250	101	20	inside	inside	ADP
ajst-3250	101	21	the	the	DET
ajst-3250	101	22	double	double	ADJ
ajst-3250	101	23	drill	drill	NOUN
ajst-3250	101	24	pipe	pipe	NOUN
ajst-3250	101	25	,	,	PUNCT
ajst-3250	101	26	and	and	CCONJ
ajst-3250	101	27	the	the	DET
ajst-3250	101	28	rule	rule	NOUN
ajst-3250	101	29	of	of	ADP
ajst-3250	101	30	pressure	pressure	NOUN
ajst-3250	101	31	loss	loss	NOUN
ajst-3250	101	32	when	when	SCONJ
ajst-3250	101	33	drilling	drilling	NOUN
ajst-3250	101	34	fluid	fluid	NOUN
ajst-3250	101	35	passes	pass	VERB
ajst-3250	101	36	through	through	ADP
ajst-3250	101	37	is	be	AUX
ajst-3250	101	38	studied	study	VERB
ajst-3250	101	39	.	.	PUNCT
ajst-3250	102	1	any	any	DET
ajst-3250	102	2	flow	flow	NOUN
ajst-3250	102	3	of	of	ADP
ajst-3250	102	4	matter	matter	NOUN
ajst-3250	102	5	must	must	AUX
ajst-3250	102	6	satisfy	satisfy	VERB
ajst-3250	102	7	the	the	DET
ajst-3250	102	8	continuity	continuity	NOUN
ajst-3250	102	9	equation	equation	NOUN
ajst-3250	102	10	.	.	PUNCT
ajst-3250	103	1	this	this	DET
ajst-3250	103	2	paper	paper	NOUN
ajst-3250	103	3	mainly	mainly	ADV
ajst-3250	103	4	studies	study	VERB
ajst-3250	103	5	the	the	DET
ajst-3250	103	6	flow	flow	NOUN
ajst-3250	103	7	characteristics	characteristic	NOUN
ajst-3250	103	8	of	of	ADP
ajst-3250	103	9	fluids	fluid	NOUN
ajst-3250	103	10	in	in	ADP
ajst-3250	103	11	the	the	DET
ajst-3250	103	12	pipeline	pipeline	NOUN
ajst-3250	103	13	.	.	PUNCT
ajst-3250	104	1	fluids	fluid	NOUN
ajst-3250	104	2	in	in	ADP
ajst-3250	104	3	the	the	DET
ajst-3250	104	4	basin	basin	NOUN
ajst-3250	104	5	are	be	AUX
ajst-3250	104	6	incompressible	incompressible	ADJ
ajst-3250	104	7	and	and	CCONJ
ajst-3250	104	8	in	in	ADP
ajst-3250	104	9	a	a	DET
ajst-3250	104	10	turbulent	turbulent	ADJ
ajst-3250	104	11	state	state	NOUN
ajst-3250	104	12	in	in	ADP
ajst-3250	104	13	the	the	DET
ajst-3250	104	14	pipeline	pipeline	NOUN
ajst-3250	104	15	,	,	PUNCT
ajst-3250	104	16	and	and	CCONJ
ajst-3250	104	17	the	the	DET
ajst-3250	104	18	movement	movement	NOUN
ajst-3250	104	19	of	of	ADP
ajst-3250	104	20	fluids	fluid	NOUN
ajst-3250	104	21	conforms	conform	VERB
ajst-3250	104	22	to	to	ADP
ajst-3250	104	23	the	the	DET
ajst-3250	104	24	law	law	NOUN
ajst-3250	104	25	of	of	ADP
ajst-3250	104	26	fluid	fluid	ADJ
ajst-3250	104	27	mechanics	mechanic	NOUN
ajst-3250	104	28	.	.	PUNCT
ajst-3250	105	1	therefore	therefore	ADV
ajst-3250	105	2	,	,	PUNCT
ajst-3250	105	3	the	the	DET
ajst-3250	105	4	following	follow	VERB
ajst-3250	105	5	governing	govern	VERB
ajst-3250	105	6	equations	equation	NOUN
ajst-3250	105	7	[	[	X
ajst-3250	105	8	14	14	NUM
ajst-3250	105	9	-	-	SYM
ajst-3250	105	10	15	15	NUM
ajst-3250	105	11	]	]	PUNCT
ajst-3250	105	12	are	be	AUX
ajst-3250	105	13	provided	provide	VERB
ajst-3250	105	14	.	.	PUNCT
ajst-3250	106	1	(	(	PUNCT
ajst-3250	106	2	a	a	X
ajst-3250	106	3	)	)	PUNCT
ajst-3250	106	4	continuity	continuity	NOUN
ajst-3250	106	5	equation	equation	NOUN
ajst-3250	106	6	:	:	PUNCT
ajst-3250	106	7			NOUN
ajst-3250	106	8			SYM
ajst-3250	106	9			NOUN
ajst-3250	106	10			SYM
ajst-3250	106	11			NOUN
ajst-3250	106	12			PROPN
ajst-3250	106	13	0	0	NUM
ajst-3250	106	14			PROPN
ajst-3250	106	15			PROPN
ajst-3250	106	16			PROPN
ajst-3250	106	17			PROPN
ajst-3250	106	18			PROPN
ajst-3250	106	19			PROPN
ajst-3250	106	20			PROPN
ajst-3250	106	21			PROPN
ajst-3250	106	22	z	z	PROPN
ajst-3250	106	23	w	w	PROPN
ajst-3250	106	24	y	y	PROPN
ajst-3250	106	25	v	v	NUM
ajst-3250	106	26	x	x	SYM
ajst-3250	106	27	u	u	NOUN
ajst-3250	106	28			NOUN
ajst-3250	106	29	(	(	PUNCT
ajst-3250	106	30	1	1	NUM
ajst-3250	106	31	)	)	PUNCT
ajst-3250	106	32	where	where	SCONJ
ajst-3250	106	33	,	,	PUNCT
ajst-3250	106	34	u	u	NOUN
ajst-3250	106	35	,	,	PUNCT
ajst-3250	106	36	v	v	NOUN
ajst-3250	106	37	and	and	CCONJ
ajst-3250	106	38	w	w	NOUN
ajst-3250	106	39	are	be	AUX
ajst-3250	106	40	the	the	DET
ajst-3250	106	41	velocity	velocity	NOUN
ajst-3250	106	42	components	component	NOUN
ajst-3250	106	43	in	in	ADP
ajst-3250	106	44	the	the	DET
ajst-3250	106	45	x	x	PROPN
ajst-3250	106	46	,	,	PUNCT
ajst-3250	106	47	y	y	PROPN
ajst-3250	106	48	and	and	CCONJ
ajst-3250	106	49	z	z	NOUN
ajst-3250	106	50	directions	direction	NOUN
ajst-3250	106	51	,	,	PUNCT
ajst-3250	106	52	ρ	ρ	PROPN
ajst-3250	106	53	is	be	AUX
ajst-3250	106	54	the	the	DET
ajst-3250	106	55	density	density	NOUN
ajst-3250	106	56	.	.	PUNCT
ajst-3250	107	1	(	(	PUNCT
ajst-3250	107	2	b	b	X
ajst-3250	107	3	)	)	PUNCT
ajst-3250	107	4	momentum	momentum	NOUN
ajst-3250	107	5	conservation	conservation	NOUN
ajst-3250	107	6	equation	equation	NOUN
ajst-3250	107	7	:	:	PUNCT
ajst-3250	107	8			NOUN
ajst-3250	107	9			PROPN
ajst-3250	107	10			NOUN
ajst-3250	107	11			NUM
ajst-3250	108	1	jji	jji	NOUN
ajst-3250	108	2	j	j	PROPN
ajst-3250	109	1	i	i	INTJ
ajst-3250	109	2	jj	jj	PROPN
ajst-3250	109	3	ji	ji	PROPN
ajst-3250	110	1	j	j	PROPN
ajst-3250	111	1	i	i	PRON
ajst-3250	111	2	suu	suu	VERB
ajst-3250	111	3	x	x	SYM
ajst-3250	111	4	u	u	NOUN
ajst-3250	111	5	xx	xx	NUM
ajst-3250	111	6	uρu	uρu	NOUN
ajst-3250	111	7	x	x	PUNCT
ajst-3250	111	8	u	u	NOUN
ajst-3250	111	9	t	t	PROPN
ajst-3250	111	10			ADP
ajst-3250	111	11			PROPN
ajst-3250	111	12			NOUN
ajst-3250	111	13			PROPN
ajst-3250	111	14			PROPN
ajst-3250	111	15			PROPN
ajst-3250	111	16			PROPN
ajst-3250	111	17			NOUN
ajst-3250	111	18			PROPN
ajst-3250	111	19			ADJ
ajst-3250	111	20			ADJ
ajst-3250	111	21			PROPN
ajst-3250	111	22			PROPN
ajst-3250	111	23			PROPN
ajst-3250	111	24			PROPN
ajst-3250	111	25			ADJ
ajst-3250	111	26			ADJ
ajst-3250	111	27			PROPN
ajst-3250	111	28			PROPN
ajst-3250	111	29			PROPN
ajst-3250	111	30			ADJ
ajst-3250	111	31			PROPN
ajst-3250	111	32			X
ajst-3250	111	33	(	(	PUNCT
ajst-3250	111	34	2	2	NUM
ajst-3250	111	35	)	)	PUNCT
ajst-3250	111	36	where	where	SCONJ
ajst-3250	111	37	,	,	PUNCT
ajst-3250	111	38	iu	iu	ADP
ajst-3250	111	39	,	,	PUNCT
ajst-3250	111	40	ju	ju	PROPN
ajst-3250	111	41	is	be	AUX
ajst-3250	111	42	the	the	DET
ajst-3250	111	43	average	average	ADJ
ajst-3250	111	44	velocity	velocity	NOUN
ajst-3250	111	45	,	,	PUNCT
ajst-3250	111	46	i	i	PRON
ajst-3250	111	47	,	,	PUNCT
ajst-3250	111	48	j=1	j=1	PROPN
ajst-3250	111	49	,	,	PUNCT
ajst-3250	111	50	2	2	NUM
ajst-3250	111	51	,	,	PUNCT
ajst-3250	111	52	3	3	NUM
ajst-3250	111	53	;	;	PUNCT
ajst-3250	111	54	μ	μ	NOUN
ajst-3250	111	55	is	be	AUX
ajst-3250	111	56	the	the	DET
ajst-3250	111	57	dynamic	dynamic	ADJ
ajst-3250	111	58	viscosity	viscosity	NOUN
ajst-3250	111	59	;	;	PUNCT
ajst-3250	111	60	ρ	ρ	PROPN
ajst-3250	111	61	is	be	AUX
ajst-3250	111	62	the	the	DET
ajst-3250	111	63	instantaneous	instantaneous	ADJ
ajst-3250	111	64	pressure;	pressure;	NUM
ajst-3250	111	65	ji	ji	PROPN
ajst-3250	111	66	uu	uu	PROPN
ajst-3250	111	67	is	be	AUX
ajst-3250	111	68	the	the	DET
ajst-3250	111	69	reynolds	reynolds	PROPN
ajst-3250	111	70	stress	stress	NOUN
ajst-3250	111	71	term	term	NOUN
ajst-3250	111	72	;	;	PUNCT
ajst-3250	111	73	is	be	AUX
ajst-3250	111	74	the	the	DET
ajst-3250	111	75	source	source	NOUN
ajst-3250	111	76	entry	entry	NOUN
ajst-3250	111	77	.	.	PUNCT
ajst-3250	112	1	(	(	PUNCT
ajst-3250	112	2	c	c	X
ajst-3250	112	3	)	)	PUNCT
ajst-3250	112	4	standard	standard	ADJ
ajst-3250	112	5	k	k	PROPN
ajst-3250	112	6	-	-	PUNCT
ajst-3250	112	7	ε	ε	PROPN
ajst-3250	112	8	equation	equation	NOUN
ajst-3250	112	9	:	:	PUNCT
ajst-3250	112	10	ε	ε	PROPN
ajst-3250	112	11	k	k	PROPN
ajst-3250	112	12	ρcμ	ρcμ	VERB
ajst-3250	112	13	μt	μt	ADP
ajst-3250	112	14	2	2	NUM
ajst-3250	112	15			NOUN
ajst-3250	112	16	(	(	PUNCT
ajst-3250	112	17	3	3	NUM
ajst-3250	112	18	)	)	PUNCT
ajst-3250	112	19	where	where	SCONJ
ajst-3250	112	20	,	,	PUNCT
ajst-3250	112	21	μt	μt	NOUN
ajst-3250	112	22	is	be	AUX
ajst-3250	112	23	turbulent	turbulent	ADJ
ajst-3250	112	24	viscosity	viscosity	NOUN
ajst-3250	112	25	;	;	PUNCT
ajst-3250	112	26	cμ	cμ	NOUN
ajst-3250	112	27	is	be	AUX
ajst-3250	112	28	the	the	DET
ajst-3250	112	29	empirical	empirical	ADJ
ajst-3250	112	30	constant	constant	NOUN
ajst-3250	112	31	,	,	PUNCT
ajst-3250	112	32	which	which	PRON
ajst-3250	112	33	is	be	AUX
ajst-3250	112	34	0.09	0.09	NUM
ajst-3250	112	35	;	;	PUNCT
ajst-3250	112	36	ε	ε	PROPN
ajst-3250	112	37	is	be	AUX
ajst-3250	112	38	the	the	DET
ajst-3250	112	39	turbulent	turbulent	ADJ
ajst-3250	112	40	kinetic	kinetic	ADJ
ajst-3250	112	41	energy	energy	NOUN
ajst-3250	112	42	dissipation	dissipation	NOUN
ajst-3250	112	43	rate	rate	NOUN
ajst-3250	112	44	;	;	PUNCT
ajst-3250	112	45	k	k	X
ajst-3250	112	46	is	be	AUX
ajst-3250	112	47	the	the	DET
ajst-3250	112	48	turbulent	turbulent	ADJ
ajst-3250	112	49	kinetic	kinetic	ADJ
ajst-3250	112	50	energy	energy	NOUN
ajst-3250	112	51	.	.	PUNCT
ajst-3250	113	1	(	(	PUNCT
ajst-3250	113	2	d	d	X
ajst-3250	113	3	)	)	PUNCT
ajst-3250	113	4	transport	transport	NOUN
ajst-3250	113	5	equation	equation	NOUN
ajst-3250	113	6	of	of	ADP
ajst-3250	113	7	turbulent	turbulent	ADJ
ajst-3250	113	8	kinetic	kinetic	ADJ
ajst-3250	113	9	energy	energy	NOUN
ajst-3250	113	10	k	k	NOUN
ajst-3250	113	11	:	:	PUNCT
ajst-3250	113	12			NOUN
ajst-3250	113	13			PROPN
ajst-3250	113	14			NOUN
ajst-3250	113	15			NUM
ajst-3250	113	16	ρεg	ρεg	PRON
ajst-3250	114	1	x	x	X
ajst-3250	114	2	k	k	PROPN
ajst-3250	114	3	δ	δ	PROPN
ajst-3250	114	4	μ	μ	PROPN
ajst-3250	114	5	μ	μ	PROPN
ajst-3250	114	6	x	x	X
ajst-3250	114	7	ρku	ρku	PROPN
ajst-3250	114	8	x	x	X
ajst-3250	115	1	ρk	ρk	ADP
ajst-3250	115	2	t	t	PROPN
ajst-3250	115	3	k	k	PROPN
ajst-3250	115	4	jk	jk	PROPN
ajst-3250	116	1	t	t	PROPN
ajst-3250	117	1	i	i	PRON
ajst-3250	118	1	i	i	PRON
ajst-3250	119	1	i	i	PRON
ajst-3250	119	2			VERB
ajst-3250	119	3			PROPN
ajst-3250	120	1			PROPN
ajst-3250	120	2			PROPN
ajst-3250	120	3			X
ajst-3250	120	4			NOUN
ajst-3250	120	5			NOUN
ajst-3250	120	6			VERB
ajst-3250	120	7			PROPN
ajst-3250	120	8			ADJ
ajst-3250	120	9			PROPN
ajst-3250	120	10			NOUN
ajst-3250	120	11			PROPN
ajst-3250	120	12			PROPN
ajst-3250	120	13			PROPN
ajst-3250	120	14			PROPN
ajst-3250	120	15			NOUN
ajst-3250	120	16			VERB
ajst-3250	120	17			PROPN
ajst-3250	120	18			PROPN
ajst-3250	120	19			PROPN
ajst-3250	120	20			PROPN
ajst-3250	120	21			PROPN
ajst-3250	120	22			VERB
ajst-3250	120	23			ADJ
ajst-3250	120	24			PROPN
ajst-3250	120	25	(	(	PUNCT
ajst-3250	120	26	4	4	NUM
ajst-3250	120	27	)	)	PUNCT
ajst-3250	120	28	where	where	SCONJ
ajst-3250	120	29	,	,	PUNCT
ajst-3250	120	30	gk	gk	PROPN
ajst-3250	120	31	is	be	AUX
ajst-3250	120	32	the	the	DET
ajst-3250	120	33	generation	generation	NOUN
ajst-3250	120	34	term	term	NOUN
ajst-3250	120	35	of	of	ADP
ajst-3250	120	36	turbulent	turbulent	ADJ
ajst-3250	120	37	kinetic	kinetic	ADJ
ajst-3250	120	38	energy	energy	NOUN
ajst-3250	120	39	k	k	PROPN
ajst-3250	120	40	caused	cause	VERB
ajst-3250	120	41	by	by	ADP
ajst-3250	120	42	the	the	DET
ajst-3250	120	43	average	average	ADJ
ajst-3250	120	44	velocity	velocity	NOUN
ajst-3250	120	45	gradient	gradient	NOUN
ajst-3250	120	46	,	,	PUNCT
ajst-3250	120	47	j	j	PROPN
ajst-3250	121	1	i	i	PRON
ajst-3250	121	2	i	i	INTJ
ajst-3250	122	1	j	j	PROPN
ajst-3250	123	1	j	j	NOUN
ajst-3250	123	2	i	i	PRON
ajst-3250	123	3	tk	tk	VERB
ajst-3250	123	4	x	x	PUNCT
ajst-3250	123	5	u	u	NOUN
ajst-3250	123	6	x	x	X
ajst-3250	123	7	u	u	NOUN
ajst-3250	123	8	x	x	X
ajst-3250	123	9	u	u	NOUN
ajst-3250	123	10	μg	μg	PROPN
ajst-3250	123	11			PROPN
ajst-3250	123	12			PROPN
ajst-3250	123	13			PROPN
ajst-3250	124	1			PROPN
ajst-3250	124	2			NOUN
ajst-3250	125	1			PROPN
ajst-3250	125	2			PROPN
ajst-3250	125	3			PROPN
ajst-3250	126	1			PROPN
ajst-3250	126	2			NOUN
ajst-3250	126	3			PROPN
ajst-3250	126	4			PROPN
ajst-3250	126	5			PROPN
ajst-3250	126	6			PROPN
ajst-3250	126	7			PROPN
ajst-3250	126	8			NUM
ajst-3250	126	9	,	,	PUNCT
ajst-3250	126	10	and	and	CCONJ
ajst-3250	126	11	δk=1.0	δk=1.0	PROPN
ajst-3250	126	12	is	be	AUX
ajst-3250	126	13	taken	take	VERB
ajst-3250	126	14	here	here	ADV
ajst-3250	126	15	.	.	PUNCT
ajst-3250	127	1	(	(	PUNCT
ajst-3250	127	2	f	f	X
ajst-3250	127	3	)	)	PUNCT
ajst-3250	127	4	transport	transport	NOUN
ajst-3250	127	5	equation	equation	NOUN
ajst-3250	127	6	of	of	ADP
ajst-3250	127	7	turbulent	turbulent	ADJ
ajst-3250	127	8	kinetic	kinetic	ADJ
ajst-3250	127	9	energy	energy	NOUN
ajst-3250	127	10	ε	ε	NOUN
ajst-3250	127	11	:	:	PUNCT
ajst-3250	127	12			NOUN
ajst-3250	127	13			SYM
ajst-3250	127	14			NOUN
ajst-3250	127	15			PUNCT
ajst-3250	127	16	k	k	PROPN
ajst-3250	127	17	ε	ε	PROPN
ajst-3250	127	18	ρgg	ρgg	PROPN
ajst-3250	127	19	k	k	PROPN
ajst-3250	127	20	ε	ε	PROPN
ajst-3250	127	21	g	g	PROPN
ajst-3250	127	22	δx	δx	PROPN
ajst-3250	127	23	δ	δ	PROPN
ajst-3250	127	24	δ	δ	PROPN
ajst-3250	127	25	μ	μ	PROPN
ajst-3250	127	26	μ	μ	PROPN
ajst-3250	127	27	x	x	X
ajst-3250	127	28	ρku	ρku	PROPN
ajst-3250	127	29	x	x	X
ajst-3250	127	30	ρε	ρε	PROPN
ajst-3250	127	31	t	t	PROPN
ajst-3250	127	32	εkε	εkε	VERB
ajst-3250	127	33	j	j	PROPN
ajst-3250	127	34	ε	ε	PROPN
ajst-3250	127	35	ε	ε	PROPN
ajst-3250	128	1	i	i	PRON
ajst-3250	128	2	i	i	PRON
ajst-3250	129	1	i	i	PRON
ajst-3250	129	2	i	i	VERB
ajst-3250	129	3	2	2	NUM
ajst-3250	129	4	21	21	NUM
ajst-3250	129	5			PROPN
ajst-3250	129	6			NOUN
ajst-3250	129	7			PROPN
ajst-3250	129	8			PROPN
ajst-3250	129	9			X
ajst-3250	129	10			NOUN
ajst-3250	129	11			NOUN
ajst-3250	129	12			VERB
ajst-3250	129	13			PROPN
ajst-3250	129	14			NOUN
ajst-3250	129	15			NOUN
ajst-3250	129	16			PROPN
ajst-3250	129	17			PROPN
ajst-3250	129	18			PROPN
ajst-3250	129	19			NOUN
ajst-3250	129	20			VERB
ajst-3250	129	21			PROPN
ajst-3250	129	22			PROPN
ajst-3250	129	23			PROPN
ajst-3250	129	24			PROPN
ajst-3250	129	25			PROPN
ajst-3250	129	26			VERB
ajst-3250	129	27			ADJ
ajst-3250	129	28			PROPN
ajst-3250	129	29	(	(	PUNCT
ajst-3250	129	30	5	5	NUM
ajst-3250	129	31	)	)	PUNCT
ajst-3250	129	32	where	where	SCONJ
ajst-3250	129	33	,	,	PUNCT
ajst-3250	129	34	μ	μ	PROPN
ajst-3250	129	35	is	be	AUX
ajst-3250	129	36	the	the	DET
ajst-3250	129	37	hydrodynamic	hydrodynamic	ADJ
ajst-3250	129	38	viscosity	viscosity	NOUN
ajst-3250	129	39	,	,	PUNCT
ajst-3250	129	40	and	and	CCONJ
ajst-3250	129	41	g1ε	g1ε	PROPN
ajst-3250	129	42	,	,	PUNCT
ajst-3250	129	43	g2ε	g2ε	PROPN
ajst-3250	129	44	and	and	CCONJ
ajst-3250	129	45	δε	δε	PROPN
ajst-3250	129	46	are	be	AUX
ajst-3250	129	47	empirical	empirical	ADJ
ajst-3250	129	48	constants	constant	NOUN
ajst-3250	129	49	with	with	ADP
ajst-3250	129	50	values	value	NOUN
ajst-3250	129	51	of	of	ADP
ajst-3250	129	52	1.44	1.44	NUM
ajst-3250	129	53	,	,	PUNCT
ajst-3250	129	54	1.92	1.92	NUM
ajst-3250	129	55	and	and	CCONJ
ajst-3250	129	56	1.30	1.30	NUM
ajst-3250	129	57	,	,	PUNCT
ajst-3250	129	58	respectively	respectively	ADV
ajst-3250	129	59	.	.	PUNCT
ajst-3250	130	1	3.2.1	3.2.1	NUM
ajst-3250	130	2	.	.	PUNCT
ajst-3250	130	3	annular	annular	ADJ
ajst-3250	130	4	drilling	drilling	NOUN
ajst-3250	130	5	fluid	fluid	ADJ
ajst-3250	130	6	injection	injection	NOUN
ajst-3250	130	7	analysis	analysis	NOUN
ajst-3250	130	8	when	when	SCONJ
ajst-3250	130	9	the	the	DET
ajst-3250	130	10	drilling	drilling	NOUN
ajst-3250	130	11	fluid	fluid	NOUN
ajst-3250	130	12	flows	flow	NOUN
ajst-3250	130	13	from	from	ADP
ajst-3250	130	14	the	the	DET
ajst-3250	130	15	annulus	annulus	NOUN
ajst-3250	130	16	of	of	ADP
ajst-3250	130	17	the	the	DET
ajst-3250	130	18	modular	modular	ADJ
ajst-3250	130	19	double	double	ADJ
ajst-3250	130	20	drill	drill	NOUN
ajst-3250	130	21	pipe	pipe	NOUN
ajst-3250	130	22	,	,	PUNCT
ajst-3250	130	23	the	the	DET
ajst-3250	130	24	positioning	positioning	NOUN
ajst-3250	130	25	ring	ring	NOUN
ajst-3250	130	26	adopts	adopt	VERB
ajst-3250	130	27	the	the	DET
ajst-3250	130	28	design	design	NOUN
ajst-3250	130	29	of	of	ADP
ajst-3250	130	30	three	three	NUM
ajst-3250	130	31	fulcrum	fulcrum	NOUN
ajst-3250	130	32	.	.	PUNCT
ajst-3250	131	1	due	due	ADP
ajst-3250	131	2	to	to	ADP
ajst-3250	131	3	the	the	DET
ajst-3250	131	4	existence	existence	NOUN
ajst-3250	131	5	of	of	ADP
ajst-3250	131	6	the	the	DET
ajst-3250	131	7	positioning	positioning	NOUN
ajst-3250	131	8	ring	ring	NOUN
ajst-3250	131	9	,	,	PUNCT
ajst-3250	131	10	the	the	DET
ajst-3250	131	11	annulus	annulus	NOUN
ajst-3250	131	12	injection	injection	NOUN
ajst-3250	131	13	drilling	drill	VERB
ajst-3250	131	14	hydraulic	hydraulic	ADJ
ajst-3250	131	15	loss	loss	NOUN
ajst-3250	131	16	needs	need	VERB
ajst-3250	131	17	to	to	PART
ajst-3250	131	18	be	be	AUX
ajst-3250	131	19	analyzed	analyze	VERB
ajst-3250	131	20	.	.	PUNCT
ajst-3250	132	1	in	in	ADP
ajst-3250	132	2	the	the	DET
ajst-3250	132	3	analysis	analysis	NOUN
ajst-3250	132	4	process	process	NOUN
ajst-3250	132	5	,	,	PUNCT
ajst-3250	132	6	only	only	ADV
ajst-3250	132	7	the	the	DET
ajst-3250	132	8	change	change	NOUN
ajst-3250	132	9	of	of	ADP
ajst-3250	132	10	pressure	pressure	NOUN
ajst-3250	132	11	loss	loss	NOUN
ajst-3250	132	12	of	of	ADP
ajst-3250	132	13	a	a	DET
ajst-3250	132	14	single	single	ADJ
ajst-3250	132	15	length	length	NOUN
ajst-3250	132	16	of	of	ADP
ajst-3250	132	17	the	the	DET
ajst-3250	132	18	modular	modular	ADJ
ajst-3250	132	19	double	double	ADJ
ajst-3250	132	20	drill	drill	NOUN
ajst-3250	132	21	pipe	pipe	NOUN
ajst-3250	132	22	is	be	AUX
ajst-3250	132	23	studied	study	VERB
ajst-3250	132	24	.	.	PUNCT
ajst-3250	133	1	3d	3d	NUM
ajst-3250	133	2	software	software	NOUN
ajst-3250	133	3	ug	ug	ADP
ajst-3250	133	4	was	be	AUX
ajst-3250	133	5	used	use	VERB
ajst-3250	133	6	to	to	PART
ajst-3250	133	7	establish	establish	VERB
ajst-3250	133	8	the	the	DET
ajst-3250	133	9	models	model	NOUN
ajst-3250	133	10	of	of	ADP
ajst-3250	133	11	inner	inner	ADJ
ajst-3250	133	12	pipe	pipe	NOUN
ajst-3250	133	13	with	with	ADP
ajst-3250	133	14	outer	outer	ADJ
ajst-3250	133	15	diameter	diameter	NOUN
ajst-3250	133	16	of	of	ADP
ajst-3250	133	17	20	20	NUM
ajst-3250	133	18	mm	mm	NOUN
ajst-3250	133	19	,	,	PUNCT
ajst-3250	133	20	30	30	NUM
ajst-3250	133	21	mm	mm	NOUN
ajst-3250	133	22	,	,	PUNCT
ajst-3250	133	23	40	40	NUM
ajst-3250	133	24	mm	mm	NOUN
ajst-3250	133	25	,	,	PUNCT
ajst-3250	133	26	50	50	NUM
ajst-3250	133	27	mm	mm	NOUN
ajst-3250	133	28	and	and	CCONJ
ajst-3250	133	29	60	60	NUM
ajst-3250	133	30	mm	mm	NOUN
ajst-3250	133	31	,	,	PUNCT
ajst-3250	133	32	respectively	respectively	ADV
ajst-3250	133	33	,	,	PUNCT
ajst-3250	133	34	and	and	CCONJ
ajst-3250	133	35	imported	import	VERB
ajst-3250	133	36	them	they	PRON
ajst-3250	133	37	into	into	ADP
ajst-3250	133	38	fluent	fluent	NOUN
ajst-3250	133	39	.	.	PUNCT
ajst-3250	134	1	after	after	SCONJ
ajst-3250	134	2	drilling	drill	VERB
ajst-3250	134	3	fluid	fluid	ADJ
ajst-3250	134	4	runner	runner	NOUN
ajst-3250	134	5	was	be	AUX
ajst-3250	134	6	extracted	extract	VERB
ajst-3250	134	7	,	,	PUNCT
ajst-3250	134	8	grid	grid	NOUN
ajst-3250	134	9	division	division	NOUN
ajst-3250	134	10	was	be	AUX
ajst-3250	134	11	carried	carry	VERB
ajst-3250	134	12	out	out	ADP
ajst-3250	134	13	.	.	PUNCT
ajst-3250	135	1	the	the	DET
ajst-3250	135	2	k	k	PROPN
ajst-3250	135	3	-	-	PUNCT
ajst-3250	135	4	ε	ε	PROPN
ajst-3250	135	5	model	model	NOUN
ajst-3250	135	6	was	be	AUX
ajst-3250	135	7	used	use	VERB
ajst-3250	135	8	to	to	PART
ajst-3250	135	9	set	set	VERB
ajst-3250	135	10	the	the	DET
ajst-3250	135	11	flow	flow	NOUN
ajst-3250	135	12	rate	rate	NOUN
ajst-3250	135	13	of	of	ADP
ajst-3250	135	14	drilling	drilling	NOUN
ajst-3250	135	15	fluid	fluid	NOUN
ajst-3250	135	16	as	as	ADP
ajst-3250	135	17	20l	20l	NOUN
ajst-3250	135	18	/	/	SYM
ajst-3250	135	19	s	s	NOUN
ajst-3250	135	20	,	,	PUNCT
ajst-3250	135	21	25l	25l	NUM
ajst-3250	135	22	/	/	SYM
ajst-3250	135	23	s	s	NOUN
ajst-3250	135	24	,	,	PUNCT
ajst-3250	135	25	30l	30l	NUM
ajst-3250	135	26	/	/	SYM
ajst-3250	135	27	s	s	NOUN
ajst-3250	135	28	and	and	CCONJ
ajst-3250	135	29	35l	35l	NUM
ajst-3250	135	30	/	/	SYM
ajst-3250	135	31	s	s	PROPN
ajst-3250	135	32	,	,	PUNCT
ajst-3250	135	33	the	the	DET
ajst-3250	135	34	viscosity	viscosity	NOUN
ajst-3250	135	35	of	of	ADP
ajst-3250	135	36	drilling	drilling	NOUN
ajst-3250	135	37	fluid	fluid	NOUN
ajst-3250	135	38	as	as	ADP
ajst-3250	135	39	10mpa·s	10mpa·s	NUM
ajst-3250	135	40	,	,	PUNCT
ajst-3250	135	41	the	the	DET
ajst-3250	135	42	density	density	NOUN
ajst-3250	135	43	of	of	ADP
ajst-3250	135	44	drilling	drilling	NOUN
ajst-3250	135	45	fluid	fluid	NOUN
ajst-3250	135	46	as	as	ADP
ajst-3250	135	47	1.2g	1.2g	NUM
ajst-3250	135	48	/	/	SYM
ajst-3250	135	49	cm3	cm3	NOUN
ajst-3250	135	50	and	and	CCONJ
ajst-3250	135	51	the	the	DET
ajst-3250	135	52	outlet	outlet	NOUN
ajst-3250	135	53	pressure	pressure	NOUN
ajst-3250	135	54	as	as	ADP
ajst-3250	135	55	0mpa	0mpa	NOUN
ajst-3250	135	56	.	.	PUNCT
ajst-3250	136	1	the	the	DET
ajst-3250	136	2	obtained	obtain	VERB
ajst-3250	136	3	dot	dot	NOUN
ajst-3250	136	4	plot	plot	NOUN
ajst-3250	136	5	of	of	ADP
ajst-3250	136	6	the	the	DET
ajst-3250	136	7	influence	influence	NOUN
ajst-3250	136	8	of	of	ADP
ajst-3250	136	9	different	different	ADJ
ajst-3250	136	10	inner	inner	ADJ
ajst-3250	136	11	pipe	pipe	NOUN
ajst-3250	136	12	outer	outer	ADJ
ajst-3250	136	13	diameter	diameter	NOUN
ajst-3250	136	14	on	on	ADP
ajst-3250	136	15	pressure	pressure	NOUN
ajst-3250	136	16	loss	loss	NOUN
ajst-3250	136	17	is	be	AUX
ajst-3250	136	18	shown	show	VERB
ajst-3250	136	19	in	in	ADP
ajst-3250	136	20	fig.4	fig.4	PROPN
ajst-3250	136	21	,	,	PUNCT
ajst-3250	136	22	and	and	CCONJ
ajst-3250	136	23	the	the	DET
ajst-3250	136	24	watershed	watershe	VERB
ajst-3250	136	25	velocity	velocity	NOUN
ajst-3250	136	26	vector	vector	NOUN
ajst-3250	136	27	diagram	diagram	NOUN
ajst-3250	136	28	of	of	ADP
ajst-3250	136	29	drilling	drilling	NOUN
ajst-3250	136	30	fluid	fluid	NOUN
ajst-3250	136	31	inlet	inlet	NOUN
ajst-3250	136	32	and	and	CCONJ
ajst-3250	136	33	outlet	outlet	NOUN
ajst-3250	136	34	is	be	AUX
ajst-3250	136	35	shown	show	VERB
ajst-3250	136	36	in	in	ADP
ajst-3250	136	37	fig.5	fig.5	PROPN
ajst-3250	136	38	.	.	PUNCT
ajst-3250	137	1	45	45	NUM
ajst-3250	137	2	figure	figure	NOUN
ajst-3250	137	3	4	4	NUM
ajst-3250	137	4	.	.	PUNCT
ajst-3250	137	5	influence	influence	NOUN
ajst-3250	137	6	of	of	ADP
ajst-3250	137	7	different	different	ADJ
ajst-3250	137	8	outer	outer	ADJ
ajst-3250	137	9	diameter	diameter	NOUN
ajst-3250	137	10	of	of	ADP
ajst-3250	137	11	inner	inner	ADJ
ajst-3250	137	12	pipe	pipe	NOUN
ajst-3250	137	13	on	on	ADP
ajst-3250	137	14	pressure	pressure	NOUN
ajst-3250	137	15	loss	loss	NOUN
ajst-3250	137	16	(	(	PUNCT
ajst-3250	137	17	a)inlet	a)inlet	PRON
ajst-3250	137	18	view	view	NOUN
ajst-3250	137	19	velocity	velocity	NOUN
ajst-3250	137	20	vector	vector	NOUN
ajst-3250	137	21	(	(	PUNCT
ajst-3250	137	22	b)exit	b)exit	NOUN
ajst-3250	137	23	overlooking	overlook	VERB
ajst-3250	137	24	vector	vector	NOUN
ajst-3250	137	25	diagram	diagram	NOUN
ajst-3250	137	26	(	(	PUNCT
ajst-3250	137	27	c)entrance	c)entrance	NOUN
ajst-3250	137	28	face	face	NOUN
ajst-3250	137	29	vector	vector	NOUN
ajst-3250	137	30	view	view	NOUN
ajst-3250	137	31	(	(	PUNCT
ajst-3250	137	32	d)the	d)the	DET
ajst-3250	137	33	outlet	outlet	NOUN
ajst-3250	137	34	faces	face	VERB
ajst-3250	137	35	the	the	DET
ajst-3250	137	36	vector	vector	NOUN
ajst-3250	137	37	image	image	NOUN
ajst-3250	137	38	figure	figure	NOUN
ajst-3250	137	39	5	5	NUM
ajst-3250	137	40	.	.	PUNCT
ajst-3250	137	41	watershed	watershe	VERB
ajst-3250	137	42	velocity	velocity	NOUN
ajst-3250	137	43	vector	vector	NOUN
ajst-3250	137	44	diagram	diagram	NOUN
ajst-3250	137	45	of	of	ADP
ajst-3250	137	46	inlet	inlet	NOUN
ajst-3250	137	47	and	and	CCONJ
ajst-3250	137	48	outlet	outlet	NOUN
ajst-3250	137	49	drilling	drilling	NOUN
ajst-3250	137	50	fluid	fluid	NOUN
ajst-3250	137	51	as	as	SCONJ
ajst-3250	137	52	can	can	AUX
ajst-3250	137	53	be	be	AUX
ajst-3250	137	54	seen	see	VERB
ajst-3250	137	55	from	from	ADP
ajst-3250	137	56	fig.4	fig.4	PROPN
ajst-3250	137	57	,	,	PUNCT
ajst-3250	137	58	as	as	SCONJ
ajst-3250	137	59	the	the	DET
ajst-3250	137	60	outer	outer	ADJ
ajst-3250	137	61	diameter	diameter	NOUN
ajst-3250	137	62	of	of	ADP
ajst-3250	137	63	the	the	DET
ajst-3250	137	64	inner	inner	ADJ
ajst-3250	137	65	pipe	pipe	NOUN
ajst-3250	137	66	keeps	keep	VERB
ajst-3250	137	67	increasing	increase	VERB
ajst-3250	137	68	,	,	PUNCT
ajst-3250	137	69	the	the	DET
ajst-3250	137	70	pressure	pressure	NOUN
ajst-3250	137	71	loss	loss	NOUN
ajst-3250	137	72	also	also	ADV
ajst-3250	137	73	increases	increase	VERB
ajst-3250	137	74	.	.	PUNCT
ajst-3250	138	1	however	however	ADV
ajst-3250	138	2	,	,	PUNCT
ajst-3250	138	3	due	due	ADP
ajst-3250	138	4	to	to	ADP
ajst-3250	138	5	the	the	DET
ajst-3250	138	6	limited	limited	ADJ
ajst-3250	138	7	internal	internal	ADJ
ajst-3250	138	8	space	space	NOUN
ajst-3250	138	9	of	of	ADP
ajst-3250	138	10	the	the	DET
ajst-3250	138	11	drill	drill	NOUN
ajst-3250	138	12	pipe	pipe	NOUN
ajst-3250	138	13	,	,	PUNCT
ajst-3250	138	14	the	the	DET
ajst-3250	138	15	size	size	NOUN
ajst-3250	138	16	of	of	ADP
ajst-3250	138	17	the	the	DET
ajst-3250	138	18	inner	inner	ADJ
ajst-3250	138	19	pipe	pipe	NOUN
ajst-3250	138	20	is	be	AUX
ajst-3250	138	21	constrained	constrain	VERB
ajst-3250	138	22	to	to	ADP
ajst-3250	138	23	a	a	DET
ajst-3250	138	24	certain	certain	ADJ
ajst-3250	138	25	extent	extent	NOUN
ajst-3250	138	26	,	,	PUNCT
ajst-3250	138	27	and	and	CCONJ
ajst-3250	138	28	the	the	DET
ajst-3250	138	29	pressure	pressure	NOUN
ajst-3250	138	30	loss	loss	NOUN
ajst-3250	138	31	is	be	AUX
ajst-3250	138	32	always	always	ADV
ajst-3250	138	33	maintained	maintain	VERB
ajst-3250	138	34	at	at	ADP
ajst-3250	138	35	a	a	DET
ajst-3250	138	36	high	high	ADJ
ajst-3250	138	37	state	state	NOUN
ajst-3250	138	38	within	within	ADP
ajst-3250	138	39	the	the	DET
ajst-3250	138	40	proper	proper	ADJ
ajst-3250	138	41	size	size	NOUN
ajst-3250	138	42	of	of	ADP
ajst-3250	138	43	the	the	DET
ajst-3250	138	44	inner	inner	ADJ
ajst-3250	138	45	pipe	pipe	NOUN
ajst-3250	138	46	.	.	PUNCT
ajst-3250	139	1	given	give	VERB
ajst-3250	139	2	the	the	DET
ajst-3250	139	3	pressure	pressure	NOUN
ajst-3250	139	4	loss	loss	NOUN
ajst-3250	139	5	of	of	ADP
ajst-3250	139	6	a	a	DET
ajst-3250	139	7	single	single	ADJ
ajst-3250	139	8	double	double	ADJ
ajst-3250	139	9	drill	drill	NOUN
ajst-3250	139	10	pipe	pipe	NOUN
ajst-3250	139	11	,	,	PUNCT
ajst-3250	139	12	it	it	PRON
ajst-3250	139	13	would	would	AUX
ajst-3250	139	14	be	be	AUX
ajst-3250	139	15	difficult	difficult	ADJ
ajst-3250	139	16	to	to	PART
ajst-3250	139	17	establish	establish	VERB
ajst-3250	139	18	a	a	DET
ajst-3250	139	19	circulation	circulation	NOUN
ajst-3250	139	20	channel	channel	NOUN
ajst-3250	139	21	for	for	ADP
ajst-3250	139	22	drilling	drilling	NOUN
ajst-3250	139	23	fluid	fluid	NOUN
ajst-3250	139	24	if	if	SCONJ
ajst-3250	139	25	the	the	DET
ajst-3250	139	26	double	double	ADJ
ajst-3250	139	27	drill	drill	NOUN
ajst-3250	139	28	pipe	pipe	NOUN
ajst-3250	139	29	was	be	AUX
ajst-3250	139	30	used	use	VERB
ajst-3250	139	31	in	in	ADP
ajst-3250	139	32	the	the	DET
ajst-3250	139	33	actual	actual	ADJ
ajst-3250	139	34	depth	depth	NOUN
ajst-3250	139	35	section	section	NOUN
ajst-3250	139	36	.	.	PUNCT
ajst-3250	140	1	as	as	SCONJ
ajst-3250	140	2	can	can	AUX
ajst-3250	140	3	be	be	AUX
ajst-3250	140	4	seen	see	VERB
ajst-3250	140	5	from	from	ADP
ajst-3250	140	6	fig.5	fig.5	PROPN
ajst-3250	140	7	,	,	PUNCT
ajst-3250	140	8	the	the	DET
ajst-3250	140	9	flow	flow	NOUN
ajst-3250	140	10	rate	rate	NOUN
ajst-3250	140	11	of	of	ADP
ajst-3250	140	12	drilling	drilling	NOUN
ajst-3250	140	13	fluid	fluid	NOUN
ajst-3250	140	14	increases	increase	NOUN
ajst-3250	140	15	dramatically	dramatically	ADV
ajst-3250	140	16	at	at	ADP
ajst-3250	140	17	the	the	DET
ajst-3250	140	18	positioning	positioning	NOUN
ajst-3250	140	19	ring	ring	NOUN
ajst-3250	140	20	,	,	PUNCT
ajst-3250	140	21	so	so	SCONJ
ajst-3250	140	22	the	the	DET
ajst-3250	140	23	cross	cross	ADJ
ajst-3250	140	24	-	-	ADJ
ajst-3250	140	25	sectional	sectional	ADJ
ajst-3250	140	26	area	area	NOUN
ajst-3250	140	27	has	have	VERB
ajst-3250	140	28	a	a	DET
ajst-3250	140	29	great	great	ADJ
ajst-3250	140	30	impact	impact	NOUN
ajst-3250	140	31	on	on	ADP
ajst-3250	140	32	the	the	DET
ajst-3250	140	33	pressure	pressure	NOUN
ajst-3250	140	34	loss	loss	NOUN
ajst-3250	140	35	.	.	PUNCT
ajst-3250	141	1	therefore	therefore	ADV
ajst-3250	141	2	,	,	PUNCT
ajst-3250	141	3	the	the	DET
ajst-3250	141	4	main	main	ADJ
ajst-3250	141	5	pressure	pressure	NOUN
ajst-3250	141	6	loss	loss	NOUN
ajst-3250	141	7	point	point	NOUN
ajst-3250	141	8	of	of	ADP
ajst-3250	141	9	annular	annular	ADJ
ajst-3250	141	10	injection	injection	NOUN
ajst-3250	141	11	drilling	drilling	NOUN
ajst-3250	141	12	fluid	fluid	NOUN
ajst-3250	141	13	is	be	AUX
ajst-3250	141	14	the	the	DET
ajst-3250	141	15	annular	annular	ADJ
ajst-3250	141	16	positioning	positioning	NOUN
ajst-3250	141	17	device	device	NOUN
ajst-3250	141	18	.	.	PUNCT
ajst-3250	142	1	3.2.2	3.2.2	NUM
ajst-3250	142	2	.	.	PUNCT
ajst-3250	143	1	analysis	analysis	NOUN
ajst-3250	143	2	of	of	ADP
ajst-3250	143	3	drilling	drill	VERB
ajst-3250	143	4	fluid	fluid	ADJ
ajst-3250	143	5	injection	injection	NOUN
ajst-3250	143	6	with	with	ADP
ajst-3250	143	7	inner	inner	ADJ
ajst-3250	143	8	pipe	pipe	NOUN
ajst-3250	143	9	when	when	SCONJ
ajst-3250	143	10	drilling	drilling	NOUN
ajst-3250	143	11	fluid	fluid	NOUN
ajst-3250	143	12	flows	flow	NOUN
ajst-3250	143	13	into	into	ADP
ajst-3250	143	14	the	the	DET
ajst-3250	143	15	inner	inner	ADJ
ajst-3250	143	16	pipe	pipe	NOUN
ajst-3250	143	17	of	of	ADP
ajst-3250	143	18	modular	modular	ADJ
ajst-3250	143	19	double	double	ADJ
ajst-3250	143	20	-	-	PUNCT
ajst-3250	143	21	decker	decker	NOUN
ajst-3250	143	22	drillpipe	drillpipe	NOUN
ajst-3250	143	23	,	,	PUNCT
ajst-3250	143	24	there	there	PRON
ajst-3250	143	25	is	be	VERB
ajst-3250	143	26	no	no	DET
ajst-3250	143	27	positioning	positioning	NOUN
ajst-3250	143	28	device	device	NOUN
ajst-3250	143	29	in	in	ADP
ajst-3250	143	30	the	the	DET
ajst-3250	143	31	inner	inner	ADJ
ajst-3250	143	32	pipe	pipe	NOUN
ajst-3250	143	33	,	,	PUNCT
ajst-3250	143	34	but	but	CCONJ
ajst-3250	143	35	it	it	PRON
ajst-3250	143	36	is	be	AUX
ajst-3250	143	37	also	also	ADV
ajst-3250	143	38	necessary	necessary	ADJ
ajst-3250	143	39	to	to	PART
ajst-3250	143	40	carry	carry	VERB
ajst-3250	143	41	out	out	ADP
ajst-3250	143	42	pressure	pressure	NOUN
ajst-3250	143	43	loss	loss	NOUN
ajst-3250	143	44	analysis	analysis	NOUN
ajst-3250	143	45	with	with	ADP
ajst-3250	143	46	drilling	drilling	NOUN
ajst-3250	143	47	fluid	fluid	NOUN
ajst-3250	143	48	flowing	flow	VERB
ajst-3250	143	49	into	into	ADP
ajst-3250	143	50	the	the	DET
ajst-3250	143	51	inner	inner	ADJ
ajst-3250	143	52	pipe	pipe	NOUN
ajst-3250	143	53	in	in	ADP
ajst-3250	143	54	different	different	ADJ
ajst-3250	143	55	inner	inner	ADJ
ajst-3250	143	56	diameter	diameter	NOUN
ajst-3250	143	57	ranges	range	NOUN
ajst-3250	143	58	.	.	PUNCT
ajst-3250	144	1	during	during	ADP
ajst-3250	144	2	the	the	DET
ajst-3250	144	3	analysis	analysis	NOUN
ajst-3250	144	4	,	,	PUNCT
ajst-3250	144	5	the	the	DET
ajst-3250	144	6	research	research	NOUN
ajst-3250	144	7	object	object	NOUN
ajst-3250	144	8	is	be	AUX
ajst-3250	144	9	limited	limit	VERB
ajst-3250	144	10	to	to	ADP
ajst-3250	144	11	single	single	ADJ
ajst-3250	144	12	pipe	pipe	NOUN
ajst-3250	144	13	pressure	pressure	NOUN
ajst-3250	144	14	loss	loss	NOUN
ajst-3250	144	15	.	.	PUNCT
ajst-3250	145	1	3d	3d	NUM
ajst-3250	145	2	modeling	modeling	NOUN
ajst-3250	145	3	software	software	NOUN
ajst-3250	145	4	ug	ug	ADP
ajst-3250	145	5	was	be	AUX
ajst-3250	145	6	used	use	VERB
ajst-3250	145	7	to	to	PART
ajst-3250	145	8	establish	establish	VERB
ajst-3250	145	9	the	the	DET
ajst-3250	145	10	models	model	NOUN
ajst-3250	145	11	with	with	ADP
ajst-3250	145	12	inner	inner	ADJ
ajst-3250	145	13	pipe	pipe	NOUN
ajst-3250	145	14	outer	outer	ADJ
ajst-3250	145	15	diameter	diameter	NOUN
ajst-3250	145	16	of	of	ADP
ajst-3250	145	17	50	50	NUM
ajst-3250	145	18	mm	mm	NOUN
ajst-3250	145	19	,	,	PUNCT
ajst-3250	145	20	55	55	NUM
ajst-3250	145	21	mm	mm	NOUN
ajst-3250	145	22	,	,	PUNCT
ajst-3250	145	23	60	60	NUM
ajst-3250	145	24	mm	mm	NOUN
ajst-3250	145	25	,	,	PUNCT
ajst-3250	145	26	65	65	NUM
ajst-3250	145	27	mm	mm	NOUN
ajst-3250	145	28	and	and	CCONJ
ajst-3250	145	29	70	70	NUM
ajst-3250	145	30	mm	mm	NOUN
ajst-3250	145	31	respectively	respectively	ADV
ajst-3250	145	32	,	,	PUNCT
ajst-3250	145	33	and	and	CCONJ
ajst-3250	145	34	imported	import	VERB
ajst-3250	145	35	them	they	PRON
ajst-3250	145	36	into	into	ADP
ajst-3250	145	37	fluent	fluent	NOUN
ajst-3250	145	38	for	for	ADP
ajst-3250	145	39	analysis	analysis	NOUN
ajst-3250	145	40	.	.	PUNCT
ajst-3250	146	1	the	the	DET
ajst-3250	146	2	setting	setting	NOUN
ajst-3250	146	3	during	during	ADP
ajst-3250	146	4	analysis	analysis	NOUN
ajst-3250	146	5	was	be	AUX
ajst-3250	146	6	the	the	DET
ajst-3250	146	7	same	same	ADJ
ajst-3250	146	8	as	as	ADP
ajst-3250	146	9	the	the	DET
ajst-3250	146	10	above	above	ADJ
ajst-3250	146	11	annular	annular	ADJ
ajst-3250	146	12	drilling	drilling	NOUN
ajst-3250	146	13	fluid	fluid	NOUN
ajst-3250	146	14	injection	injection	NOUN
ajst-3250	146	15	method	method	NOUN
ajst-3250	146	16	.	.	PUNCT
ajst-3250	147	1	the	the	DET
ajst-3250	147	2	dot	dot	NOUN
ajst-3250	147	3	plot	plot	NOUN
ajst-3250	147	4	of	of	ADP
ajst-3250	147	5	the	the	DET
ajst-3250	147	6	influence	influence	NOUN
ajst-3250	147	7	of	of	ADP
ajst-3250	147	8	different	different	ADJ
ajst-3250	147	9	outer	outer	ADJ
ajst-3250	147	10	diameter	diameter	NOUN
ajst-3250	147	11	of	of	ADP
ajst-3250	147	12	inner	inner	ADJ
ajst-3250	147	13	pipe	pipe	NOUN
ajst-3250	147	14	on	on	ADP
ajst-3250	147	15	pressure	pressure	NOUN
ajst-3250	147	16	consumption	consumption	NOUN
ajst-3250	147	17	is	be	AUX
ajst-3250	147	18	shown	show	VERB
ajst-3250	147	19	in	in	ADP
ajst-3250	147	20	fig.6	fig.6	PROPN
ajst-3250	147	21	.	.	PUNCT
ajst-3250	148	1	figure	figure	NOUN
ajst-3250	148	2	6	6	NUM
ajst-3250	148	3	.	.	PUNCT
ajst-3250	149	1	influence	influence	NOUN
ajst-3250	149	2	of	of	ADP
ajst-3250	149	3	different	different	ADJ
ajst-3250	149	4	inner	inner	ADJ
ajst-3250	149	5	diameter	diameter	NOUN
ajst-3250	149	6	on	on	ADP
ajst-3250	149	7	pressure	pressure	NOUN
ajst-3250	149	8	loss	loss	NOUN
ajst-3250	149	9	as	as	SCONJ
ajst-3250	149	10	can	can	AUX
ajst-3250	149	11	be	be	AUX
ajst-3250	149	12	seen	see	VERB
ajst-3250	149	13	from	from	ADP
ajst-3250	149	14	fig.6	fig.6	PROPN
ajst-3250	149	15	,	,	PUNCT
ajst-3250	149	16	the	the	DET
ajst-3250	149	17	pressure	pressure	NOUN
ajst-3250	149	18	loss	loss	NOUN
ajst-3250	149	19	tends	tend	VERB
ajst-3250	149	20	to	to	PART
ajst-3250	149	21	decrease	decrease	VERB
ajst-3250	149	22	obviously	obviously	ADV
ajst-3250	149	23	when	when	SCONJ
ajst-3250	149	24	the	the	DET
ajst-3250	149	25	inner	inner	ADJ
ajst-3250	149	26	diameter	diameter	NOUN
ajst-3250	149	27	of	of	ADP
ajst-3250	149	28	the	the	DET
ajst-3250	149	29	inner	inner	ADJ
ajst-3250	149	30	pipe	pipe	NOUN
ajst-3250	149	31	keeps	keep	VERB
ajst-3250	149	32	increasing	increase	VERB
ajst-3250	149	33	,	,	PUNCT
ajst-3250	149	34	and	and	CCONJ
ajst-3250	149	35	the	the	PRON
ajst-3250	149	36	larger	large	ADJ
ajst-3250	149	37	the	the	DET
ajst-3250	149	38	outer	outer	ADJ
ajst-3250	149	39	diameter	diameter	NOUN
ajst-3250	149	40	of	of	ADP
ajst-3250	149	41	the	the	DET
ajst-3250	149	42	inner	inner	ADJ
ajst-3250	149	43	pipe	pipe	NOUN
ajst-3250	149	44	,	,	PUNCT
ajst-3250	149	45	the	the	PRON
ajst-3250	149	46	smaller	small	ADJ
ajst-3250	149	47	the	the	DET
ajst-3250	149	48	impact	impact	NOUN
ajst-3250	149	49	on	on	ADP
ajst-3250	149	50	the	the	DET
ajst-3250	149	51	drilling	drilling	NOUN
ajst-3250	149	52	fluid	fluid	NOUN
ajst-3250	149	53	displacement	displacement	NOUN
ajst-3250	149	54	.	.	PUNCT
ajst-3250	150	1	therefore	therefore	ADV
ajst-3250	150	2	,	,	PUNCT
ajst-3250	150	3	reserving	reserve	VERB
ajst-3250	150	4	enough	enough	ADJ
ajst-3250	150	5	compressed	compress	VERB
ajst-3250	150	6	air	air	NOUN
ajst-3250	150	7	passage	passage	NOUN
ajst-3250	150	8	and	and	CCONJ
ajst-3250	150	9	46	46	NUM
ajst-3250	150	10	increasing	increase	VERB
ajst-3250	150	11	the	the	DET
ajst-3250	150	12	diameter	diameter	NOUN
ajst-3250	150	13	of	of	ADP
ajst-3250	150	14	the	the	DET
ajst-3250	150	15	inner	inner	ADJ
ajst-3250	150	16	pipe	pipe	NOUN
ajst-3250	150	17	as	as	ADV
ajst-3250	150	18	much	much	ADV
ajst-3250	150	19	as	as	ADP
ajst-3250	150	20	possible	possible	ADJ
ajst-3250	150	21	can	can	AUX
ajst-3250	150	22	effectively	effectively	ADV
ajst-3250	150	23	reduce	reduce	VERB
ajst-3250	150	24	the	the	DET
ajst-3250	150	25	pressure	pressure	NOUN
ajst-3250	150	26	loss	loss	NOUN
ajst-3250	150	27	and	and	CCONJ
ajst-3250	150	28	improve	improve	VERB
ajst-3250	150	29	the	the	DET
ajst-3250	150	30	flow	flow	NOUN
ajst-3250	150	31	capacity	capacity	NOUN
ajst-3250	150	32	of	of	ADP
ajst-3250	150	33	the	the	DET
ajst-3250	150	34	drilling	drilling	NOUN
ajst-3250	150	35	fluid	fluid	NOUN
ajst-3250	150	36	.	.	PUNCT
ajst-3250	151	1	3.3	3.3	NUM
ajst-3250	151	2	.	.	PUNCT
ajst-3250	152	1	sealing	seal	VERB
ajst-3250	152	2	analysis	analysis	NOUN
ajst-3250	152	3	of	of	ADP
ajst-3250	152	4	inner	inner	ADJ
ajst-3250	152	5	pipe	pipe	NOUN
ajst-3250	152	6	joints	joint	NOUN
ajst-3250	152	7	the	the	DET
ajst-3250	152	8	tightness	tightness	NOUN
ajst-3250	152	9	of	of	ADP
ajst-3250	152	10	the	the	DET
ajst-3250	152	11	inner	inner	ADJ
ajst-3250	152	12	pipe	pipe	NOUN
ajst-3250	152	13	of	of	ADP
ajst-3250	152	14	the	the	DET
ajst-3250	152	15	double	double	ADJ
ajst-3250	152	16	drill	drill	NOUN
ajst-3250	152	17	pipe	pipe	NOUN
ajst-3250	152	18	is	be	AUX
ajst-3250	152	19	the	the	DET
ajst-3250	152	20	key	key	NOUN
ajst-3250	152	21	to	to	ADP
ajst-3250	152	22	the	the	DET
ajst-3250	152	23	reliability	reliability	NOUN
ajst-3250	152	24	of	of	ADP
ajst-3250	152	25	the	the	DET
ajst-3250	152	26	double	double	ADJ
ajst-3250	152	27	drill	drill	NOUN
ajst-3250	152	28	pipe	pipe	NOUN
ajst-3250	152	29	.	.	PUNCT
ajst-3250	153	1	on	on	ADP
ajst-3250	153	2	the	the	DET
ajst-3250	153	3	basis	basis	NOUN
ajst-3250	153	4	of	of	ADP
ajst-3250	153	5	the	the	DET
ajst-3250	153	6	above	above	ADJ
ajst-3250	153	7	analysis	analysis	NOUN
ajst-3250	153	8	,	,	PUNCT
ajst-3250	153	9	using	use	VERB
ajst-3250	153	10	the	the	DET
ajst-3250	153	11	inner	inner	ADJ
ajst-3250	153	12	pipe	pipe	NOUN
ajst-3250	153	13	to	to	PART
ajst-3250	153	14	inject	inject	VERB
ajst-3250	153	15	drilling	drilling	NOUN
ajst-3250	153	16	fluid	fluid	NOUN
ajst-3250	153	17	and	and	CCONJ
ajst-3250	153	18	the	the	DET
ajst-3250	153	19	annulus	annulus	NOUN
ajst-3250	153	20	to	to	PART
ajst-3250	153	21	inject	inject	VERB
ajst-3250	153	22	compressed	compressed	ADJ
ajst-3250	153	23	gas	gas	NOUN
ajst-3250	153	24	is	be	AUX
ajst-3250	153	25	more	more	ADJ
ajst-3250	153	26	in	in	ADP
ajst-3250	153	27	line	line	NOUN
ajst-3250	153	28	with	with	ADP
ajst-3250	153	29	the	the	DET
ajst-3250	153	30	needs	need	NOUN
ajst-3250	153	31	of	of	ADP
ajst-3250	153	32	the	the	DET
ajst-3250	153	33	gas	gas	NOUN
ajst-3250	153	34	lift	lift	NOUN
ajst-3250	153	35	positive	positive	ADJ
ajst-3250	153	36	circulation	circulation	NOUN
ajst-3250	153	37	drilling	drilling	NOUN
ajst-3250	153	38	process	process	NOUN
ajst-3250	153	39	.	.	PUNCT
ajst-3250	154	1	the	the	DET
ajst-3250	154	2	medium	medium	NOUN
ajst-3250	154	3	in	in	ADP
ajst-3250	154	4	the	the	DET
ajst-3250	154	5	inner	inner	ADJ
ajst-3250	154	6	pipe	pipe	NOUN
ajst-3250	154	7	passage	passage	NOUN
ajst-3250	154	8	is	be	AUX
ajst-3250	154	9	35mpa	35mpa	NOUN
ajst-3250	154	10	drilling	drilling	NOUN
ajst-3250	154	11	fluid	fluid	NOUN
ajst-3250	154	12	,	,	PUNCT
ajst-3250	154	13	so	so	SCONJ
ajst-3250	154	14	it	it	PRON
ajst-3250	154	15	has	have	VERB
ajst-3250	154	16	high	high	ADJ
ajst-3250	154	17	requirements	requirement	NOUN
ajst-3250	154	18	for	for	ADP
ajst-3250	154	19	sealing	seal	VERB
ajst-3250	154	20	.	.	PUNCT
ajst-3250	155	1	if	if	SCONJ
ajst-3250	155	2	the	the	DET
ajst-3250	155	3	inner	inner	ADJ
ajst-3250	155	4	pipe	pipe	NOUN
ajst-3250	155	5	is	be	AUX
ajst-3250	155	6	connected	connect	VERB
ajst-3250	155	7	by	by	ADP
ajst-3250	155	8	thread	thread	NOUN
ajst-3250	155	9	,	,	PUNCT
ajst-3250	155	10	it	it	PRON
ajst-3250	155	11	is	be	AUX
ajst-3250	155	12	difficult	difficult	ADJ
ajst-3250	155	13	to	to	PART
ajst-3250	155	14	ensure	ensure	VERB
ajst-3250	155	15	the	the	DET
ajst-3250	155	16	synchronous	synchronous	ADJ
ajst-3250	155	17	connection	connection	NOUN
ajst-3250	155	18	in	in	ADP
ajst-3250	155	19	the	the	DET
ajst-3250	155	20	process	process	NOUN
ajst-3250	155	21	of	of	ADP
ajst-3250	155	22	modular	modular	ADJ
ajst-3250	155	23	double	double	ADJ
ajst-3250	155	24	drill	drill	NOUN
ajst-3250	155	25	pipe	pipe	NOUN
ajst-3250	155	26	connecting	connect	VERB
ajst-3250	155	27	a	a	DET
ajst-3250	155	28	single	single	ADJ
ajst-3250	155	29	root	root	NOUN
ajst-3250	155	30	,	,	PUNCT
ajst-3250	155	31	so	so	SCONJ
ajst-3250	155	32	in	in	ADP
ajst-3250	155	33	order	order	NOUN
ajst-3250	155	34	to	to	PART
ajst-3250	155	35	ensure	ensure	VERB
ajst-3250	155	36	the	the	DET
ajst-3250	155	37	connection	connection	NOUN
ajst-3250	155	38	of	of	ADP
ajst-3250	155	39	the	the	DET
ajst-3250	155	40	double	double	ADJ
ajst-3250	155	41	drill	drill	NOUN
ajst-3250	155	42	pipe	pipe	NOUN
ajst-3250	155	43	is	be	AUX
ajst-3250	155	44	reliable	reliable	ADJ
ajst-3250	155	45	,	,	PUNCT
ajst-3250	155	46	prevent	prevent	VERB
ajst-3250	155	47	the	the	DET
ajst-3250	155	48	overall	overall	ADJ
ajst-3250	155	49	structure	structure	NOUN
ajst-3250	155	50	with	with	ADP
ajst-3250	155	51	the	the	DET
ajst-3250	155	52	vibration	vibration	NOUN
ajst-3250	155	53	of	of	ADP
ajst-3250	155	54	the	the	DET
ajst-3250	155	55	drill	drill	NOUN
ajst-3250	155	56	string	string	NOUN
ajst-3250	155	57	axial	axial	ADJ
ajst-3250	155	58	or	or	CCONJ
ajst-3250	155	59	circumferential	circumferential	ADJ
ajst-3250	155	60	displacement	displacement	NOUN
ajst-3250	155	61	,	,	PUNCT
ajst-3250	155	62	because	because	SCONJ
ajst-3250	155	63	the	the	DET
ajst-3250	155	64	drill	drill	NOUN
ajst-3250	155	65	pipe	pipe	NOUN
ajst-3250	155	66	is	be	AUX
ajst-3250	155	67	affected	affect	VERB
ajst-3250	155	68	by	by	ADP
ajst-3250	155	69	the	the	DET
ajst-3250	155	70	load	load	NOUN
ajst-3250	155	71	channel	channel	NOUN
ajst-3250	155	72	movement	movement	NOUN
ajst-3250	155	73	of	of	ADP
ajst-3250	155	74	its	its	PRON
ajst-3250	155	75	strength	strength	NOUN
ajst-3250	155	76	,	,	PUNCT
ajst-3250	155	77	the	the	DET
ajst-3250	155	78	outer	outer	ADJ
ajst-3250	155	79	joint	joint	ADJ
ajst-3250	155	80	design	design	NOUN
ajst-3250	155	81	for	for	ADP
ajst-3250	155	82	high	high	ADJ
ajst-3250	155	83	pressure	pressure	NOUN
ajst-3250	155	84	plug	plug	NOUN
ajst-3250	155	85	structure	structure	NOUN
ajst-3250	155	86	,	,	PUNCT
ajst-3250	155	87	allow	allow	VERB
ajst-3250	155	88	the	the	DET
ajst-3250	155	89	existence	existence	NOUN
ajst-3250	155	90	of	of	ADP
ajst-3250	155	91	channeling	channeling	NOUN
ajst-3250	155	92	while	while	SCONJ
ajst-3250	155	93	ensuring	ensure	VERB
ajst-3250	155	94	its	its	PRON
ajst-3250	155	95	sealing	sealing	NOUN
ajst-3250	155	96	performance	performance	NOUN
ajst-3250	155	97	.	.	PUNCT
ajst-3250	156	1	based	base	VERB
ajst-3250	156	2	on	on	ADP
ajst-3250	156	3	the	the	DET
ajst-3250	156	4	existing	exist	VERB
ajst-3250	156	5	double	double	ADJ
ajst-3250	156	6	drill	drill	NOUN
ajst-3250	156	7	pipe	pipe	NOUN
ajst-3250	156	8	o	o	NOUN
ajst-3250	156	9	-	-	ADJ
ajst-3250	156	10	ring	ring	ADJ
ajst-3250	156	11	seal	seal	NOUN
ajst-3250	156	12	,	,	PUNCT
ajst-3250	156	13	this	this	DET
ajst-3250	156	14	paper	paper	NOUN
ajst-3250	156	15	proposes	propose	VERB
ajst-3250	156	16	a	a	DET
ajst-3250	156	17	c	c	ADV
ajst-3250	156	18	-	-	PUNCT
ajst-3250	156	19	shaped	shape	VERB
ajst-3250	156	20	combined	combine	VERB
ajst-3250	156	21	seal	seal	NOUN
ajst-3250	156	22	for	for	ADP
ajst-3250	156	23	the	the	DET
ajst-3250	156	24	sealing	sealing	NOUN
ajst-3250	156	25	of	of	ADP
ajst-3250	156	26	the	the	DET
ajst-3250	156	27	inner	inner	ADJ
ajst-3250	156	28	pipe	pipe	NOUN
ajst-3250	156	29	joint	joint	NOUN
ajst-3250	156	30	,	,	PUNCT
ajst-3250	156	31	and	and	CCONJ
ajst-3250	156	32	its	its	PRON
ajst-3250	156	33	schematic	schematic	ADJ
ajst-3250	156	34	diagram	diagram	NOUN
ajst-3250	156	35	is	be	AUX
ajst-3250	156	36	shown	show	VERB
ajst-3250	156	37	in	in	ADP
ajst-3250	156	38	fig.7	fig.7	ADJ
ajst-3250	156	39	.	.	PUNCT
ajst-3250	157	1	(	(	PUNCT
ajst-3250	157	2	a	a	X
ajst-3250	157	3	)	)	PUNCT
ajst-3250	157	4	o	o	NOUN
ajst-3250	157	5	-	-	ADJ
ajst-3250	157	6	ring	ring	ADJ
ajst-3250	157	7	seal	seal	NOUN
ajst-3250	157	8	(	(	PUNCT
ajst-3250	157	9	b	b	NOUN
ajst-3250	157	10	)	)	PUNCT
ajst-3250	157	11	c	c	NOUN
ajst-3250	157	12	combination	combination	NOUN
ajst-3250	157	13	seal	seal	NOUN
ajst-3250	157	14	ring	ring	NOUN
ajst-3250	157	15	figure	figure	NOUN
ajst-3250	157	16	7	7	NUM
ajst-3250	157	17	.	.	PUNCT
ajst-3250	157	18	schematic	schematic	ADJ
ajst-3250	157	19	diagram	diagram	NOUN
ajst-3250	157	20	of	of	ADP
ajst-3250	157	21	sealing	seal	VERB
ajst-3250	157	22	of	of	ADP
ajst-3250	157	23	pipe	pipe	NOUN
ajst-3250	157	24	joint	joint	NOUN
ajst-3250	157	25	in	in	ADP
ajst-3250	157	26	drill	drill	NOUN
ajst-3250	157	27	pipe	pipe	NOUN
ajst-3250	157	28	of	of	ADP
ajst-3250	157	29	double	double	ADJ
ajst-3250	157	30	drill	drill	NOUN
ajst-3250	157	31	pipe	pipe	NOUN
ajst-3250	157	32	3.3.1	3.3.1	NUM
ajst-3250	157	33	.	.	PUNCT
ajst-3250	157	34	mathematical	mathematical	ADJ
ajst-3250	157	35	model	model	NOUN
ajst-3250	157	36	in	in	ADP
ajst-3250	157	37	this	this	DET
ajst-3250	157	38	paper	paper	NOUN
ajst-3250	157	39	,	,	PUNCT
ajst-3250	157	40	the	the	DET
ajst-3250	157	41	ansys	ansys	PROPN
ajst-3250	157	42	software	software	PROPN
ajst-3250	157	43	is	be	AUX
ajst-3250	157	44	used	use	VERB
ajst-3250	157	45	to	to	PART
ajst-3250	157	46	analyze	analyze	VERB
ajst-3250	157	47	the	the	DET
ajst-3250	157	48	performance	performance	NOUN
ajst-3250	157	49	of	of	ADP
ajst-3250	157	50	o	o	NOUN
ajst-3250	157	51	-	-	NOUN
ajst-3250	157	52	ring	ring	NOUN
ajst-3250	157	53	and	and	CCONJ
ajst-3250	157	54	c	c	NOUN
ajst-3250	157	55	-	-	PUNCT
ajst-3250	157	56	ring	ring	NOUN
ajst-3250	157	57	combined	combine	VERB
ajst-3250	157	58	seal	seal	NOUN
ajst-3250	157	59	under	under	ADP
ajst-3250	157	60	static	static	ADJ
ajst-3250	157	61	and	and	CCONJ
ajst-3250	157	62	dynamic	dynamic	ADJ
ajst-3250	157	63	seal	seal	NOUN
ajst-3250	157	64	conditions	condition	NOUN
ajst-3250	157	65	,	,	PUNCT
ajst-3250	157	66	and	and	CCONJ
ajst-3250	157	67	it	it	PRON
ajst-3250	157	68	is	be	AUX
ajst-3250	157	69	concluded	conclude	VERB
ajst-3250	157	70	that	that	SCONJ
ajst-3250	157	71	the	the	DET
ajst-3250	157	72	two	two	NUM
ajst-3250	157	73	kinds	kind	NOUN
ajst-3250	157	74	of	of	ADP
ajst-3250	157	75	seal	seal	NOUN
ajst-3250	157	76	rings	ring	NOUN
ajst-3250	157	77	have	have	VERB
ajst-3250	157	78	certain	certain	ADJ
ajst-3250	157	79	reference	reference	NOUN
ajst-3250	157	80	significance	significance	NOUN
ajst-3250	157	81	when	when	SCONJ
ajst-3250	157	82	used	use	VERB
ajst-3250	157	83	in	in	ADP
ajst-3250	157	84	modular	modular	ADJ
ajst-3250	157	85	double	double	ADJ
ajst-3250	157	86	drill	drill	NOUN
ajst-3250	157	87	pipe	pipe	NOUN
ajst-3250	157	88	.	.	PUNCT
ajst-3250	158	1	the	the	DET
ajst-3250	158	2	main	main	ADJ
ajst-3250	158	3	difference	difference	NOUN
ajst-3250	158	4	between	between	ADP
ajst-3250	158	5	o	o	NOUN
ajst-3250	158	6	-	-	NOUN
ajst-3250	158	7	ring	ring	NOUN
ajst-3250	158	8	and	and	CCONJ
ajst-3250	158	9	c	c	NOUN
ajst-3250	158	10	-	-	PUNCT
ajst-3250	158	11	ring	ring	NOUN
ajst-3250	158	12	is	be	AUX
ajst-3250	158	13	that	that	SCONJ
ajst-3250	158	14	c	c	NOUN
ajst-3250	158	15	-	-	PUNCT
ajst-3250	158	16	ring	ring	NOUN
ajst-3250	158	17	is	be	AUX
ajst-3250	158	18	a	a	DET
ajst-3250	158	19	combination	combination	NOUN
ajst-3250	158	20	of	of	ADP
ajst-3250	158	21	o	o	NOUN
ajst-3250	158	22	-	-	NOUN
ajst-3250	158	23	ring	ring	NOUN
ajst-3250	158	24	and	and	CCONJ
ajst-3250	158	25	polytetrafluoroethylene	polytetrafluoroethylene	NOUN
ajst-3250	158	26	(	(	PUNCT
ajst-3250	158	27	ptfe	ptfe	NOUN
ajst-3250	158	28	)	)	PUNCT
ajst-3250	158	29	c	c	NOUN
ajst-3250	158	30	-	-	PUNCT
ajst-3250	158	31	ring	ring	NOUN
ajst-3250	158	32	containing	contain	VERB
ajst-3250	158	33	added	add	VERB
ajst-3250	158	34	materials	material	NOUN
ajst-3250	158	35	.	.	PUNCT
ajst-3250	159	1	the	the	DET
ajst-3250	159	2	geometric	geometric	ADJ
ajst-3250	159	3	characteristics	characteristic	NOUN
ajst-3250	159	4	,	,	PUNCT
ajst-3250	159	5	constraints	constraint	NOUN
ajst-3250	159	6	,	,	PUNCT
ajst-3250	159	7	and	and	CCONJ
ajst-3250	159	8	external	external	ADJ
ajst-3250	159	9	load	load	NOUN
ajst-3250	159	10	of	of	ADP
ajst-3250	159	11	these	these	DET
ajst-3250	159	12	two	two	NUM
ajst-3250	159	13	kinds	kind	NOUN
ajst-3250	159	14	of	of	ADP
ajst-3250	159	15	rings	ring	NOUN
ajst-3250	159	16	are	be	AUX
ajst-3250	159	17	symmetric	symmetric	ADJ
ajst-3250	159	18	about	about	ADP
ajst-3250	159	19	the	the	DET
ajst-3250	159	20	central	central	ADJ
ajst-3250	159	21	axis	axis	NOUN
ajst-3250	159	22	,	,	PUNCT
ajst-3250	159	23	and	and	CCONJ
ajst-3250	159	24	all	all	DET
ajst-3250	159	25	the	the	DET
ajst-3250	159	26	stress	stress	NOUN
ajst-3250	159	27	,	,	PUNCT
ajst-3250	159	28	strain	strain	NOUN
ajst-3250	159	29	and	and	CCONJ
ajst-3250	159	30	displacement	displacement	NOUN
ajst-3250	159	31	are	be	AUX
ajst-3250	159	32	symmetric	symmetric	ADJ
ajst-3250	159	33	in	in	ADP
ajst-3250	159	34	the	the	DET
ajst-3250	159	35	central	central	ADJ
ajst-3250	159	36	axis	axis	NOUN
ajst-3250	159	37	.	.	PUNCT
ajst-3250	160	1	therefore	therefore	ADV
ajst-3250	160	2	,	,	PUNCT
ajst-3250	160	3	the	the	DET
ajst-3250	160	4	two	two	NUM
ajst-3250	160	5	sealing	sealing	NOUN
ajst-3250	160	6	rings	ring	NOUN
ajst-3250	160	7	can	can	AUX
ajst-3250	160	8	be	be	AUX
ajst-3250	160	9	simplified	simplify	VERB
ajst-3250	160	10	into	into	ADP
ajst-3250	160	11	a	a	DET
ajst-3250	160	12	plane	plane	NOUN
ajst-3250	160	13	axisymmetric	axisymmetric	ADJ
ajst-3250	160	14	model	model	NOUN
ajst-3250	160	15	.	.	PUNCT
ajst-3250	161	1	the	the	DET
ajst-3250	161	2	equilibrium	equilibrium	NOUN
ajst-3250	161	3	differential	differential	ADJ
ajst-3250	161	4	equation	equation	NOUN
ajst-3250	161	5	of	of	ADP
ajst-3250	161	6	axisymmetric	axisymmetric	ADJ
ajst-3250	161	7	problems	problem	NOUN
ajst-3250	161	8	is	be	AUX
ajst-3250	161	9	as	as	SCONJ
ajst-3250	161	10	follows	follow	VERB
ajst-3250	161	11	[	[	X
ajst-3250	161	12	16	16	NUM
ajst-3250	161	13	]	]	PUNCT
ajst-3250	161	14	.	.	PUNCT
ajst-3250	162	1			NUM
ajst-3250	162	2			NUM
ajst-3250	162	3			PROPN
ajst-3250	162	4			NUM
ajst-3250	162	5			NUM
ajst-3250	162	6			NUM
ajst-3250	162	7			ADP
ajst-3250	162	8			PROPN
ajst-3250	162	9			PROPN
ajst-3250	162	10			PROPN
ajst-3250	162	11			PROPN
ajst-3250	162	12			PROPN
ajst-3250	162	13			PROPN
ajst-3250	162	14			ADP
ajst-3250	162	15			PROPN
ajst-3250	162	16			VERB
ajst-3250	162	17			PROPN
ajst-3250	162	18			PROPN
ajst-3250	162	19			VERB
ajst-3250	162	20			PROPN
ajst-3250	162	21			PROPN
ajst-3250	162	22	0	0	NUM
ajst-3250	162	23	0	0	PUNCT
ajst-3250	162	24	z	z	NOUN
ajst-3250	162	25	zzz	zzz	PROPN
ajst-3250	163	1	z	z	NOUN
ajst-3250	163	2	f	f	PROPN
ajst-3250	164	1	z	z	NOUN
ajst-3250	164	2	f	f	PROPN
ajst-3250	164	3	z	z	PROPN
ajst-3250	164	4			NOUN
ajst-3250	164	5			PROPN
ajst-3250	164	6			NOUN
ajst-3250	164	7			VERB
ajst-3250	164	8			ADP
ajst-3250	164	9			PROPN
ajst-3250	164	10			NOUN
ajst-3250	164	11			PROPN
ajst-3250	164	12			NOUN
ajst-3250	164	13			ADP
ajst-3250	164	14			NOUN
ajst-3250	164	15	(	(	PUNCT
ajst-3250	164	16	6	6	NUM
ajst-3250	164	17	)	)	PUNCT
ajst-3250	164	18	where	where	SCONJ
ajst-3250	164	19	,	,	PUNCT
ajst-3250	164	20			NOUN
ajst-3250	164	21	,	,	PUNCT
ajst-3250	164	22	z	z	PROPN
ajst-3250	164	23	is	be	AUX
ajst-3250	164	24	the	the	DET
ajst-3250	164	25	direction	direction	NOUN
ajst-3250	164	26	of	of	ADP
ajst-3250	164	27	the	the	DET
ajst-3250	164	28	coordinate	coordinate	NOUN
ajst-3250	164	29	axis	axis	NOUN
ajst-3250	164	30	of	of	ADP
ajst-3250	164	31	the	the	DET
ajst-3250	164	32	cylindrical	cylindrical	ADJ
ajst-3250	164	33	coordinate	coordinate	NOUN
ajst-3250	164	34	system	system	NOUN
ajst-3250	164	35	;	;	PUNCT
ajst-3250	164	36			NUM
ajst-3250	164	37	is	be	AUX
ajst-3250	164	38	radial	radial	ADJ
ajst-3250	164	39	normal	normal	ADJ
ajst-3250	164	40	stress	stress	NOUN
ajst-3250	164	41	;	;	PUNCT
ajst-3250	164	42			X
ajst-3250	164	43	is	be	AUX
ajst-3250	164	44	the	the	DET
ajst-3250	164	45	circumferential	circumferential	ADJ
ajst-3250	164	46	normal	normal	ADJ
ajst-3250	164	47	stress	stress	NOUN
ajst-3250	164	48	;	;	PUNCT
ajst-3250	164	49	z	z	PROPN
ajst-3250	164	50	is	be	AUX
ajst-3250	164	51	the	the	DET
ajst-3250	164	52	axial	axial	ADJ
ajst-3250	164	53	normal	normal	ADJ
ajst-3250	164	54	stress	stress	NOUN
ajst-3250	164	55	;	;	PUNCT
ajst-3250	164	56	z	z	X
ajst-3250	164	57	is	be	AUX
ajst-3250	164	58	the	the	DET
ajst-3250	164	59	shear	shear	NOUN
ajst-3250	164	60	stress	stress	NOUN
ajst-3250	164	61	along	along	ADP
ajst-3250	164	62	the	the	DET
ajst-3250	164	63	z	z	NOUN
ajst-3250	164	64	axis	axis	NOUN
ajst-3250	164	65	,	,	PUNCT
ajst-3250	164	66	and	and	CCONJ
ajst-3250	164	67	z	z	X
ajst-3250	164	68	=	=	SYM
ajst-3250	164	69			NOUN
ajst-3250	165	1	z	z	NOUN
ajst-3250	165	2	,	,	PUNCT
ajst-3250	165	3	f	f	PROPN
ajst-3250	165	4	is	be	AUX
ajst-3250	165	5	the	the	DET
ajst-3250	165	6	radial	radial	ADJ
ajst-3250	165	7	force	force	NOUN
ajst-3250	165	8	;	;	PUNCT
ajst-3250	165	9	zf	zf	PROPN
ajst-3250	165	10	is	be	AUX
ajst-3250	165	11	the	the	DET
ajst-3250	165	12	axial	axial	ADJ
ajst-3250	165	13	force	force	NOUN
ajst-3250	165	14	.	.	PUNCT
ajst-3250	166	1	3.3.2	3.3.2	X
ajst-3250	166	2	.	.	PUNCT
ajst-3250	166	3	material	material	NOUN
ajst-3250	166	4	definition	definition	NOUN
ajst-3250	166	5	the	the	DET
ajst-3250	166	6	inner	inner	ADJ
ajst-3250	166	7	pipe	pipe	NOUN
ajst-3250	166	8	male	male	NOUN
ajst-3250	166	9	joint	joint	NOUN
ajst-3250	166	10	is	be	AUX
ajst-3250	166	11	made	make	VERB
ajst-3250	166	12	of	of	ADP
ajst-3250	166	13	steel	steel	NOUN
ajst-3250	166	14	,	,	PUNCT
ajst-3250	166	15	which	which	PRON
ajst-3250	166	16	has	have	VERB
ajst-3250	166	17	higher	high	ADJ
ajst-3250	166	18	stiffness	stiffness	NOUN
ajst-3250	166	19	than	than	ADP
ajst-3250	166	20	the	the	DET
ajst-3250	166	21	two	two	NUM
ajst-3250	166	22	sealing	seal	VERB
ajst-3250	166	23	ring	ring	NOUN
ajst-3250	166	24	materials	material	NOUN
ajst-3250	166	25	.	.	PUNCT
ajst-3250	167	1	in	in	ADP
ajst-3250	167	2	order	order	NOUN
ajst-3250	167	3	to	to	PART
ajst-3250	167	4	reduce	reduce	VERB
ajst-3250	167	5	the	the	DET
ajst-3250	167	6	amount	amount	NOUN
ajst-3250	167	7	of	of	ADP
ajst-3250	167	8	simulation	simulation	NOUN
ajst-3250	167	9	calculation	calculation	NOUN
ajst-3250	167	10	,	,	PUNCT
ajst-3250	167	11	the	the	DET
ajst-3250	167	12	hydraulic	hydraulic	ADJ
ajst-3250	167	13	cylinder	cylinder	NOUN
ajst-3250	167	14	wall	wall	NOUN
ajst-3250	167	15	and	and	CCONJ
ajst-3250	167	16	sealing	seal	VERB
ajst-3250	167	17	groove	groove	NOUN
ajst-3250	167	18	are	be	AUX
ajst-3250	167	19	set	set	VERB
ajst-3250	167	20	as	as	ADV
ajst-3250	167	21	discrete	discrete	ADJ
ajst-3250	167	22	rigid	rigid	ADJ
ajst-3250	167	23	body	body	NOUN
ajst-3250	167	24	.	.	PUNCT
ajst-3250	168	1	the	the	DET
ajst-3250	168	2	elastic	elastic	ADJ
ajst-3250	168	3	modulus	modulus	NOUN
ajst-3250	168	4	of	of	ADP
ajst-3250	168	5	c	c	NOUN
ajst-3250	168	6	-	-	PUNCT
ajst-3250	168	7	shaped	shape	VERB
ajst-3250	168	8	polytetrafluoroethylene	polytetrafluoroethylene	NOUN
ajst-3250	168	9	ring	ring	NOUN
ajst-3250	168	10	is	be	AUX
ajst-3250	168	11	1000mpa	1000mpa	NUM
ajst-3250	168	12	and	and	CCONJ
ajst-3250	168	13	poisson	poisson	PROPN
ajst-3250	168	14	's	's	PART
ajst-3250	168	15	ratio	ratio	NOUN
ajst-3250	168	16	is	be	AUX
ajst-3250	168	17	0.4[17	0.4[17	NOUN
ajst-3250	168	18	]	]	PUNCT
ajst-3250	168	19	.	.	PUNCT
ajst-3250	169	1	the	the	PRON
ajst-3250	169	2	o	o	NOUN
ajst-3250	169	3	-	-	NOUN
ajst-3250	169	4	ring	ring	NOUN
ajst-3250	169	5	is	be	AUX
ajst-3250	169	6	mostly	mostly	ADV
ajst-3250	169	7	rubber	rubber	NOUN
ajst-3250	169	8	material	material	NOUN
ajst-3250	169	9	.	.	PUNCT
ajst-3250	170	1	rubber	rubber	NOUN
ajst-3250	170	2	has	have	VERB
ajst-3250	170	3	nonlinear	nonlinear	ADJ
ajst-3250	170	4	characteristics	characteristic	NOUN
ajst-3250	170	5	,	,	PUNCT
ajst-3250	170	6	and	and	CCONJ
ajst-3250	170	7	has	have	VERB
ajst-3250	170	8	the	the	DET
ajst-3250	170	9	elastic	elastic	ADJ
ajst-3250	170	10	properties	property	NOUN
ajst-3250	170	11	of	of	ADP
ajst-3250	170	12	metal	metal	NOUN
ajst-3250	170	13	and	and	CCONJ
ajst-3250	170	14	the	the	DET
ajst-3250	170	15	viscous	viscous	ADJ
ajst-3250	170	16	properties	property	NOUN
ajst-3250	170	17	of	of	ADP
ajst-3250	170	18	fluid	fluid	NOUN
ajst-3250	170	19	.	.	PUNCT
ajst-3250	171	1	it	it	PRON
ajst-3250	171	2	does	do	AUX
ajst-3250	171	3	not	not	PART
ajst-3250	171	4	have	have	VERB
ajst-3250	171	5	the	the	DET
ajst-3250	171	6	linear	linear	ADJ
ajst-3250	171	7	properties	property	NOUN
ajst-3250	171	8	as	as	ADP
ajst-3250	171	9	metal	metal	NOUN
ajst-3250	171	10	materials	material	NOUN
ajst-3250	171	11	,	,	PUNCT
ajst-3250	171	12	and	and	CCONJ
ajst-3250	171	13	does	do	AUX
ajst-3250	171	14	not	not	PART
ajst-3250	171	15	conform	conform	VERB
ajst-3250	171	16	to	to	ADP
ajst-3250	171	17	hooke	hooke	PROPN
ajst-3250	171	18	's	's	PART
ajst-3250	171	19	law	law	NOUN
ajst-3250	171	20	,	,	PUNCT
ajst-3250	171	21	so	so	SCONJ
ajst-3250	171	22	it	it	PRON
ajst-3250	171	23	can	can	AUX
ajst-3250	171	24	not	not	PART
ajst-3250	171	25	be	be	AUX
ajst-3250	171	26	solved	solve	VERB
ajst-3250	171	27	only	only	ADV
ajst-3250	171	28	by	by	ADP
ajst-3250	171	29	basic	basic	ADJ
ajst-3250	171	30	parameters	parameter	NOUN
ajst-3250	171	31	.	.	PUNCT
ajst-3250	172	1	in	in	ADP
ajst-3250	172	2	the	the	DET
ajst-3250	172	3	finite	finite	PROPN
ajst-3250	172	4	element	element	PROPN
ajst-3250	172	5	simulation	simulation	PROPN
ajst-3250	172	6	,	,	PUNCT
ajst-3250	172	7	the	the	DET
ajst-3250	172	8	following	follow	VERB
ajst-3250	172	9	assumptions	assumption	NOUN
ajst-3250	172	10	are	be	AUX
ajst-3250	172	11	made	make	VERB
ajst-3250	172	12	:	:	PUNCT
ajst-3250	172	13	①the	①the	DET
ajst-3250	172	14	rubber	rubber	NOUN
ajst-3250	172	15	material	material	NOUN
ajst-3250	172	16	has	have	VERB
ajst-3250	172	17	certain	certain	ADJ
ajst-3250	172	18	young	young	ADJ
ajst-3250	172	19	's	's	PART
ajst-3250	172	20	modulus	modulus	NOUN
ajst-3250	172	21	and	and	CCONJ
ajst-3250	172	22	poisson	poisson	NOUN
ajst-3250	172	23	's	's	PART
ajst-3250	172	24	ratio	ratio	NOUN
ajst-3250	172	25	;	;	PUNCT
ajst-3250	172	26	②	②	NUM
ajst-3250	172	27	isotropic	isotropic	ADJ
ajst-3250	172	28	rubber	rubber	NOUN
ajst-3250	172	29	material	material	NOUN
ajst-3250	172	30	;	;	PUNCT
ajst-3250	172	31	③	③	NUM
ajst-3250	172	32	the	the	DET
ajst-3250	172	33	volume	volume	NOUN
ajst-3250	172	34	of	of	ADP
ajst-3250	172	35	rubber	rubber	NOUN
ajst-3250	172	36	is	be	AUX
ajst-3250	172	37	unchanged	unchanged	ADJ
ajst-3250	172	38	when	when	SCONJ
ajst-3250	172	39	it	it	PRON
ajst-3250	172	40	is	be	AUX
ajst-3250	172	41	extruded	extrude	VERB
ajst-3250	172	42	;	;	PUNCT
ajst-3250	172	43	④the	④the	PRON
ajst-3250	172	44	contact	contact	NOUN
ajst-3250	172	45	boundary	boundary	ADV
ajst-3250	172	46	between	between	ADP
ajst-3250	172	47	rubber	rubber	NOUN
ajst-3250	172	48	and	and	CCONJ
ajst-3250	172	49	other	other	ADJ
ajst-3250	172	50	parts	part	NOUN
ajst-3250	172	51	can	can	AUX
ajst-3250	172	52	not	not	PART
ajst-3250	172	53	be	be	AUX
ajst-3250	172	54	crossed	cross	VERB
ajst-3250	172	55	.	.	PUNCT
ajst-3250	173	1	aiming	aim	VERB
ajst-3250	173	2	at	at	ADP
ajst-3250	173	3	the	the	DET
ajst-3250	173	4	special	special	ADJ
ajst-3250	173	5	properties	property	NOUN
ajst-3250	173	6	of	of	ADP
ajst-3250	173	7	rubber	rubber	NOUN
ajst-3250	173	8	materials	material	NOUN
ajst-3250	173	9	,	,	PUNCT
ajst-3250	173	10	the	the	DET
ajst-3250	173	11	mooney	mooney	PROPN
ajst-3250	173	12	-	-	PUNCT
ajst-3250	173	13	rivlin	rivlin	PROPN
ajst-3250	173	14	model	model	NOUN
ajst-3250	173	15	of	of	ADP
ajst-3250	173	16	continuum	continuum	ADJ
ajst-3250	173	17	representation	representation	NOUN
ajst-3250	173	18	is	be	AUX
ajst-3250	173	19	widely	widely	ADV
ajst-3250	173	20	used	use	VERB
ajst-3250	173	21	to	to	PART
ajst-3250	173	22	calculate	calculate	VERB
ajst-3250	173	23	the	the	DET
ajst-3250	173	24	mechanical	mechanical	ADJ
ajst-3250	173	25	problems	problem	NOUN
ajst-3250	173	26	of	of	ADP
ajst-3250	173	27	hyperelastic	hyperelastic	ADJ
ajst-3250	173	28	materials	material	NOUN
ajst-3250	173	29	under	under	ADP
ajst-3250	173	30	large	large	ADJ
ajst-3250	173	31	deformation	deformation	NOUN
ajst-3250	173	32	.	.	PUNCT
ajst-3250	174	1	the	the	DET
ajst-3250	174	2	two	two	NUM
ajst-3250	174	3	-	-	PUNCT
ajst-3250	174	4	parameter	parameter	NOUN
ajst-3250	174	5	strain	strain	NOUN
ajst-3250	174	6	energy	energy	NOUN
ajst-3250	174	7	density	density	NOUN
ajst-3250	174	8	function	function	NOUN
ajst-3250	174	9	is	be	AUX
ajst-3250	174	10	expressed	express	VERB
ajst-3250	174	11	as	as	SCONJ
ajst-3250	174	12	follows	follow	VERB
ajst-3250	174	13	.	.	PUNCT
ajst-3250	175	1			NOUN
ajst-3250	175	2			PROPN
ajst-3250	175	3			NOUN
ajst-3250	175	4	33	33	PUNCT
ajst-3250	175	5	2211	2211	NUM
ajst-3250	175	6			PROPN
ajst-3250	175	7	icicw	icicw	NOUN
ajst-3250	175	8	(	(	PUNCT
ajst-3250	175	9	7	7	NUM
ajst-3250	175	10	)	)	PUNCT
ajst-3250	175	11	where	where	SCONJ
ajst-3250	175	12	:	:	PUNCT
ajst-3250	175	13	w	w	NOUN
ajst-3250	175	14	is	be	AUX
ajst-3250	175	15	strain	strain	ADJ
ajst-3250	175	16	energy	energy	NOUN
ajst-3250	175	17	density	density	NOUN
ajst-3250	175	18	;	;	PUNCT
ajst-3250	175	19	1c	1c	NOUN
ajst-3250	175	20	,	,	PUNCT
ajst-3250	175	21	2c	2c	NOUN
ajst-3250	175	22	is	be	AUX
ajst-3250	175	23	the	the	DET
ajst-3250	175	24	material	material	NOUN
ajst-3250	175	25	constant	constant	ADJ
ajst-3250	175	26	of	of	ADP
ajst-3250	175	27	the	the	DET
ajst-3250	175	28	mooney	mooney	PROPN
ajst-3250	175	29	-	-	PUNCT
ajst-3250	175	30	rivlin	rivlin	PROPN
ajst-3250	175	31	model	model	NOUN
ajst-3250	175	32	;	;	PUNCT
ajst-3250	175	33	1i	1i	NOUN
ajst-3250	175	34	,	,	PUNCT
ajst-3250	175	35	2i	2i	NUM
ajst-3250	175	36	is	be	AUX
ajst-3250	175	37	the	the	DET
ajst-3250	175	38	first	first	ADJ
ajst-3250	175	39	and	and	CCONJ
ajst-3250	175	40	second	second	ADJ
ajst-3250	175	41	tensor	tensor	NOUN
ajst-3250	175	42	invariants	invariant	NOUN
ajst-3250	175	43	.	.	PUNCT
ajst-3250	176	1	in	in	ADP
ajst-3250	176	2	this	this	DET
ajst-3250	176	3	paper	paper	NOUN
ajst-3250	176	4	,	,	PUNCT
ajst-3250	176	5	1.87mpa	1.87mpa	NUM
ajst-3250	176	6	and	and	CCONJ
ajst-3250	176	7	0.47mpa	0.47mpa	NUM
ajst-3250	176	8	are	be	AUX
ajst-3250	176	9	adopted	adopt	VERB
ajst-3250	176	10	[	[	X
ajst-3250	176	11	18	18	NUM
ajst-3250	176	12	]	]	PUNCT
ajst-3250	176	13	.	.	PUNCT
ajst-3250	177	1	3.3.3	3.3.3	NUM
ajst-3250	177	2	.	.	PUNCT
ajst-3250	177	3	establishment	establishment	NOUN
ajst-3250	177	4	of	of	ADP
ajst-3250	177	5	analysis	analysis	NOUN
ajst-3250	177	6	model	model	NOUN
ajst-3250	177	7	the	the	DET
ajst-3250	177	8	analysis	analysis	NOUN
ajst-3250	177	9	model	model	NOUN
ajst-3250	177	10	adopts	adopt	VERB
ajst-3250	177	11	the	the	DET
ajst-3250	177	12	sealing	sealing	NOUN
ajst-3250	177	13	groove	groove	NOUN
ajst-3250	177	14	form	form	NOUN
ajst-3250	177	15	of	of	ADP
ajst-3250	177	16	inner	inner	ADJ
ajst-3250	177	17	pipe	pipe	NOUN
ajst-3250	177	18	joint	joint	NOUN
ajst-3250	177	19	in	in	ADP
ajst-3250	177	20	radial	radial	ADJ
ajst-3250	177	21	seal	seal	NOUN
ajst-3250	177	22	,	,	PUNCT
ajst-3250	177	23	and	and	CCONJ
ajst-3250	177	24	simplifies	simplify	VERB
ajst-3250	177	25	the	the	DET
ajst-3250	177	26	axisymmetric	axisymmetric	ADJ
ajst-3250	177	27	sealing	seal	VERB
ajst-3250	177	28	ring	ring	NOUN
ajst-3250	177	29	into	into	ADP
ajst-3250	177	30	a	a	DET
ajst-3250	177	31	two	two	NUM
ajst-3250	177	32	-	-	PUNCT
ajst-3250	177	33	dimensional	dimensional	ADJ
ajst-3250	177	34	cross	cross	ADJ
ajst-3250	177	35	-	-	ADJ
ajst-3250	177	36	section	section	ADJ
ajst-3250	177	37	analysis	analysis	NOUN
ajst-3250	177	38	model	model	NOUN
ajst-3250	177	39	,	,	PUNCT
ajst-3250	177	40	which	which	PRON
ajst-3250	177	41	can	can	AUX
ajst-3250	177	42	significantly	significantly	ADV
ajst-3250	177	43	improve	improve	VERB
ajst-3250	177	44	the	the	DET
ajst-3250	177	45	calculation	calculation	NOUN
ajst-3250	177	46	efficiency	efficiency	NOUN
ajst-3250	177	47	.	.	PUNCT
ajst-3250	178	1	the	the	DET
ajst-3250	178	2	model	model	NOUN
ajst-3250	178	3	size	size	NOUN
ajst-3250	178	4	view	view	NOUN
ajst-3250	178	5	is	be	AUX
ajst-3250	178	6	shown	show	VERB
ajst-3250	178	7	in	in	ADP
ajst-3250	178	8	fig.8	fig.8	PROPN
ajst-3250	178	9	.	.	PUNCT
ajst-3250	179	1	through	through	ADP
ajst-3250	179	2	the	the	DET
ajst-3250	179	3	universal	universal	ADJ
ajst-3250	179	4	friction	friction	NOUN
ajst-3250	179	5	and	and	CCONJ
ajst-3250	179	6	wear	wear	VERB
ajst-3250	179	7	testing	testing	NOUN
ajst-3250	179	8	machine	machine	NOUN
ajst-3250	179	9	,	,	PUNCT
ajst-3250	179	10	the	the	DET
ajst-3250	179	11	friction	friction	NOUN
ajst-3250	179	12	coefficient	coefficient	NOUN
ajst-3250	179	13	between	between	ADP
ajst-3250	179	14	the	the	DET
ajst-3250	179	15	five	five	NUM
ajst-3250	179	16	groups	group	NOUN
ajst-3250	179	17	of	of	ADP
ajst-3250	179	18	o	o	NOUN
ajst-3250	179	19	-	-	PUNCT
ajst-3250	179	20	rings	ring	NOUN
ajst-3250	179	21	and	and	CCONJ
ajst-3250	179	22	the	the	DET
ajst-3250	179	23	inner	inner	ADJ
ajst-3250	179	24	wall	wall	NOUN
ajst-3250	179	25	of	of	ADP
ajst-3250	179	26	the	the	DET
ajst-3250	179	27	joint	joint	NOUN
ajst-3250	179	28	and	and	CCONJ
ajst-3250	179	29	the	the	DET
ajst-3250	179	30	sealing	sealing	NOUN
ajst-3250	179	31	groove	groove	NOUN
ajst-3250	179	32	is	be	AUX
ajst-3250	179	33	about	about	ADV
ajst-3250	179	34	0.2	0.2	NUM
ajst-3250	179	35	,	,	PUNCT
ajst-3250	179	36	and	and	CCONJ
ajst-3250	179	37	the	the	DET
ajst-3250	179	38	friction	friction	NOUN
ajst-3250	179	39	coefficient	coefficient	NOUN
ajst-3250	179	40	between	between	ADP
ajst-3250	179	41	the	the	DET
ajst-3250	179	42	c	c	NOUN
ajst-3250	179	43	-	-	PUNCT
ajst-3250	179	44	ring	ring	NOUN
ajst-3250	179	45	and	and	CCONJ
ajst-3250	179	46	the	the	DET
ajst-3250	179	47	inner	inner	ADJ
ajst-3250	179	48	wall	wall	NOUN
ajst-3250	179	49	of	of	ADP
ajst-3250	179	50	the	the	DET
ajst-3250	179	51	joint	joint	NOUN
ajst-3250	179	52	and	and	CCONJ
ajst-3250	179	53	the	the	DET
ajst-3250	179	54	sealing	sealing	NOUN
ajst-3250	179	55	groove	groove	NOUN
ajst-3250	179	56	is	be	AUX
ajst-3250	179	57	about	about	ADV
ajst-3250	179	58	0.03[19	0.03[19	NOUN
ajst-3250	179	59	]	]	PUNCT
ajst-3250	179	60	.	.	PUNCT
ajst-3250	180	1	the	the	DET
ajst-3250	180	2	o	o	NOUN
ajst-3250	180	3	-	-	NOUN
ajst-3250	180	4	ring	ring	NOUN
ajst-3250	180	5	and	and	CCONJ
ajst-3250	180	6	c	c	NOUN
ajst-3250	180	7	-	-	PUNCT
ajst-3250	180	8	o	o	NOUN
ajst-3250	180	9	-	-	NOUN
ajst-3250	180	10	ring	ring	ADJ
ajst-3250	180	11	combined	combine	VERB
ajst-3250	180	12	seal	seal	NOUN
ajst-3250	180	13	meshes	mesh	NOUN
ajst-3250	180	14	were	be	AUX
ajst-3250	180	15	divided	divide	VERB
ajst-3250	180	16	respectively	respectively	ADV
ajst-3250	180	17	,	,	PUNCT
ajst-3250	180	18	the	the	DET
ajst-3250	180	19	contact	contact	NOUN
ajst-3250	180	20	surface	surface	NOUN
ajst-3250	180	21	was	be	AUX
ajst-3250	180	22	refined	refine	VERB
ajst-3250	180	23	,	,	PUNCT
ajst-3250	180	24	and	and	CCONJ
ajst-3250	180	25	the	the	DET
ajst-3250	180	26	finite	finite	PROPN
ajst-3250	180	27	element	element	NOUN
ajst-3250	180	28	model	model	NOUN
ajst-3250	180	29	was	be	AUX
ajst-3250	180	30	established	establish	VERB
ajst-3250	180	31	.	.	PUNCT
ajst-3250	181	1	the	the	DET
ajst-3250	181	2	radial	radial	ADJ
ajst-3250	181	3	dimension	dimension	NOUN
ajst-3250	181	4	of	of	ADP
ajst-3250	181	5	the	the	DET
ajst-3250	181	6	inner	inner	ADJ
ajst-3250	181	7	pipe	pipe	NOUN
ajst-3250	181	8	sealing	sealing	NOUN
ajst-3250	181	9	groove	groove	NOUN
ajst-3250	181	10	is	be	AUX
ajst-3250	181	11	50	50	NUM
ajst-3250	181	12	mm	mm	NOUN
ajst-3250	181	13	.	.	PUNCT
ajst-3250	182	1	the	the	DET
ajst-3250	182	2	downward	downward	ADJ
ajst-3250	182	3	displacement	displacement	NOUN
ajst-3250	182	4	is	be	AUX
ajst-3250	182	5	applied	apply	VERB
ajst-3250	182	6	to	to	ADP
ajst-3250	182	7	the	the	DET
ajst-3250	182	8	inner	inner	ADJ
ajst-3250	182	9	wall	wall	NOUN
ajst-3250	182	10	of	of	ADP
ajst-3250	182	11	the	the	DET
ajst-3250	182	12	joint	joint	NOUN
ajst-3250	182	13	,	,	PUNCT
ajst-3250	182	14	and	and	CCONJ
ajst-3250	182	15	the	the	DET
ajst-3250	182	16	upward	upward	ADJ
ajst-3250	182	17	displacement	displacement	NOUN
ajst-3250	182	18	is	be	AUX
ajst-3250	182	19	applied	apply	VERB
ajst-3250	182	20	to	to	ADP
ajst-3250	182	21	the	the	DET
ajst-3250	182	22	sealing	sealing	NOUN
ajst-3250	182	23	groove	groove	NOUN
ajst-3250	182	24	to	to	PART
ajst-3250	182	25	simulate	simulate	VERB
ajst-3250	182	26	the	the	DET
ajst-3250	182	27	process	process	NOUN
ajst-3250	182	28	of	of	ADP
ajst-3250	182	29	the	the	DET
ajst-3250	182	30	sealing	sealing	NOUN
ajst-3250	182	31	ring	ring	NOUN
ajst-3250	182	32	being	be	AUX
ajst-3250	182	33	compressed	compress	VERB
ajst-3250	182	34	47	47	NUM
ajst-3250	182	35	during	during	ADP
ajst-3250	182	36	assembly	assembly	NOUN
ajst-3250	182	37	.	.	PUNCT
ajst-3250	183	1	after	after	ADP
ajst-3250	183	2	compression	compression	NOUN
ajst-3250	183	3	,	,	PUNCT
ajst-3250	183	4	a	a	DET
ajst-3250	183	5	certain	certain	ADJ
ajst-3250	183	6	sealing	sealing	NOUN
ajst-3250	183	7	pressure	pressure	NOUN
ajst-3250	183	8	is	be	AUX
ajst-3250	183	9	applied	apply	VERB
ajst-3250	183	10	to	to	ADP
ajst-3250	183	11	one	one	NUM
ajst-3250	183	12	side	side	NOUN
ajst-3250	183	13	of	of	ADP
ajst-3250	183	14	the	the	DET
ajst-3250	183	15	sealing	sealing	NOUN
ajst-3250	183	16	ring	ring	NOUN
ajst-3250	183	17	.	.	PUNCT
ajst-3250	184	1	figure	figure	NOUN
ajst-3250	184	2	8	8	NUM
ajst-3250	184	3	.	.	PUNCT
ajst-3250	184	4	model	model	NOUN
ajst-3250	184	5	size	size	NOUN
ajst-3250	184	6	view	view	VERB
ajst-3250	184	7	3.3.4	3.3.4	NUM
ajst-3250	184	8	.	.	PUNCT
ajst-3250	185	1	sealing	seal	VERB
ajst-3250	185	2	performance	performance	NOUN
ajst-3250	185	3	analysis	analysis	NOUN
ajst-3250	185	4	in	in	ADP
ajst-3250	185	5	this	this	DET
ajst-3250	185	6	paper	paper	NOUN
ajst-3250	185	7	,	,	PUNCT
ajst-3250	185	8	the	the	DET
ajst-3250	185	9	sealing	sealing	NOUN
ajst-3250	185	10	performance	performance	NOUN
ajst-3250	185	11	of	of	ADP
ajst-3250	185	12	o	o	NOUN
ajst-3250	185	13	-	-	NOUN
ajst-3250	185	14	ring	ring	NOUN
ajst-3250	185	15	and	and	CCONJ
ajst-3250	185	16	c	c	NOUN
ajst-3250	185	17	-	-	PUNCT
ajst-3250	185	18	ring	ring	NOUN
ajst-3250	185	19	is	be	AUX
ajst-3250	185	20	analyzed	analyze	VERB
ajst-3250	185	21	on	on	ADP
ajst-3250	185	22	the	the	DET
ajst-3250	185	23	seals	seal	NOUN
ajst-3250	185	24	by	by	ADP
ajst-3250	185	25	applying	apply	VERB
ajst-3250	185	26	different	different	ADJ
ajst-3250	185	27	pressures	pressure	NOUN
ajst-3250	185	28	.	.	PUNCT
ajst-3250	186	1	whether	whether	SCONJ
ajst-3250	186	2	the	the	DET
ajst-3250	186	3	sealing	sealing	NOUN
ajst-3250	186	4	is	be	AUX
ajst-3250	186	5	sealed	seal	VERB
ajst-3250	186	6	or	or	CCONJ
ajst-3250	186	7	not	not	PART
ajst-3250	186	8	is	be	AUX
ajst-3250	186	9	determined	determine	VERB
ajst-3250	186	10	by	by	ADP
ajst-3250	186	11	the	the	DET
ajst-3250	186	12	maximum	maximum	ADJ
ajst-3250	186	13	contact	contact	NOUN
ajst-3250	186	14	pressure	pressure	NOUN
ajst-3250	186	15	σmax	σmax	NOUN
ajst-3250	186	16	(	(	PUNCT
ajst-3250	186	17	mpa	mpa	PROPN
ajst-3250	186	18	)	)	PUNCT
ajst-3250	186	19	of	of	ADP
ajst-3250	186	20	the	the	DET
ajst-3250	186	21	sealing	sealing	NOUN
ajst-3250	186	22	surface	surface	NOUN
ajst-3250	186	23	and	and	CCONJ
ajst-3250	186	24	the	the	DET
ajst-3250	186	25	working	working	NOUN
ajst-3250	186	26	pressure	pressure	NOUN
ajst-3250	186	27	.	.	PUNCT
ajst-3250	187	1	if	if	SCONJ
ajst-3250	187	2	the	the	DET
ajst-3250	187	3	maximum	maximum	ADJ
ajst-3250	187	4	contact	contact	NOUN
ajst-3250	187	5	pressure	pressure	NOUN
ajst-3250	187	6	of	of	ADP
ajst-3250	187	7	the	the	DET
ajst-3250	187	8	sealing	sealing	NOUN
ajst-3250	187	9	surface	surface	NOUN
ajst-3250	187	10	is	be	AUX
ajst-3250	187	11	greater	great	ADJ
ajst-3250	187	12	than	than	ADP
ajst-3250	187	13	the	the	DET
ajst-3250	187	14	working	working	NOUN
ajst-3250	187	15	pressure	pressure	NOUN
ajst-3250	187	16	,	,	PUNCT
ajst-3250	187	17	the	the	DET
ajst-3250	187	18	sealing	sealing	NOUN
ajst-3250	187	19	is	be	AUX
ajst-3250	187	20	realized	realize	VERB
ajst-3250	187	21	.	.	PUNCT
ajst-3250	188	1	the	the	DET
ajst-3250	188	2	maximum	maximum	ADJ
ajst-3250	188	3	contact	contact	NOUN
ajst-3250	188	4	pressure	pressure	NOUN
ajst-3250	188	5	and	and	CCONJ
ajst-3250	188	6	seal	seal	VERB
ajst-3250	188	7	pressure	pressure	NOUN
ajst-3250	188	8	rule	rule	NOUN
ajst-3250	188	9	of	of	ADP
ajst-3250	188	10	different	different	ADJ
ajst-3250	188	11	sealing	sealing	NOUN
ajst-3250	188	12	rings	ring	NOUN
ajst-3250	188	13	are	be	AUX
ajst-3250	188	14	shown	show	VERB
ajst-3250	188	15	in	in	ADP
ajst-3250	188	16	fig.9	fig.9	PROPN
ajst-3250	188	17	.	.	PUNCT
ajst-3250	189	1	figure	figure	NOUN
ajst-3250	189	2	9	9	NUM
ajst-3250	189	3	.	.	PUNCT
ajst-3250	190	1	maximum	maximum	ADJ
ajst-3250	190	2	contact	contact	NOUN
ajst-3250	190	3	pressure	pressure	NOUN
ajst-3250	190	4	at	at	ADP
ajst-3250	190	5	different	different	ADJ
ajst-3250	190	6	seal	seal	NOUN
ajst-3250	190	7	pressures	pressure	NOUN
ajst-3250	190	8	as	as	SCONJ
ajst-3250	190	9	shown	show	VERB
ajst-3250	190	10	in	in	ADP
ajst-3250	190	11	fig.9	fig.9	PROPN
ajst-3250	190	12	,	,	PUNCT
ajst-3250	190	13	the	the	DET
ajst-3250	190	14	sealing	sealing	NOUN
ajst-3250	190	15	performance	performance	NOUN
ajst-3250	190	16	of	of	ADP
ajst-3250	190	17	the	the	DET
ajst-3250	190	18	two	two	NUM
ajst-3250	190	19	kinds	kind	NOUN
ajst-3250	190	20	of	of	ADP
ajst-3250	190	21	sealing	sealing	NOUN
ajst-3250	190	22	rings	ring	NOUN
ajst-3250	190	23	is	be	AUX
ajst-3250	190	24	that	that	SCONJ
ajst-3250	190	25	the	the	DET
ajst-3250	190	26	maximum	maximum	ADJ
ajst-3250	190	27	contact	contact	NOUN
ajst-3250	190	28	stress	stress	NOUN
ajst-3250	190	29	increases	increase	VERB
ajst-3250	190	30	with	with	ADP
ajst-3250	190	31	the	the	DET
ajst-3250	190	32	increase	increase	NOUN
ajst-3250	190	33	of	of	ADP
ajst-3250	190	34	sealing	seal	VERB
ajst-3250	190	35	pressure	pressure	NOUN
ajst-3250	190	36	,	,	PUNCT
ajst-3250	190	37	and	and	CCONJ
ajst-3250	190	38	the	the	DET
ajst-3250	190	39	maximum	maximum	ADJ
ajst-3250	190	40	contact	contact	NOUN
ajst-3250	190	41	stress	stress	NOUN
ajst-3250	190	42	is	be	AUX
ajst-3250	190	43	greater	great	ADJ
ajst-3250	190	44	than	than	ADP
ajst-3250	190	45	the	the	DET
ajst-3250	190	46	sealing	sealing	NOUN
ajst-3250	190	47	pressure	pressure	NOUN
ajst-3250	190	48	,	,	PUNCT
ajst-3250	190	49	which	which	PRON
ajst-3250	190	50	can	can	AUX
ajst-3250	190	51	achieve	achieve	VERB
ajst-3250	190	52	the	the	DET
ajst-3250	190	53	purpose	purpose	NOUN
ajst-3250	190	54	of	of	ADP
ajst-3250	190	55	sealing	seal	VERB
ajst-3250	190	56	.	.	PUNCT
ajst-3250	191	1	compared	compare	VERB
ajst-3250	191	2	with	with	ADP
ajst-3250	191	3	the	the	DET
ajst-3250	191	4	two	two	NUM
ajst-3250	191	5	kinds	kind	NOUN
ajst-3250	191	6	of	of	ADP
ajst-3250	191	7	sealing	seal	VERB
ajst-3250	191	8	rings	ring	NOUN
ajst-3250	191	9	,	,	PUNCT
ajst-3250	191	10	the	the	DET
ajst-3250	191	11	c	c	NOUN
ajst-3250	191	12	-	-	PUNCT
ajst-3250	191	13	type	type	NOUN
ajst-3250	191	14	combined	combined	ADJ
ajst-3250	191	15	sealing	sealing	NOUN
ajst-3250	191	16	ring	ring	NOUN
ajst-3250	191	17	has	have	VERB
ajst-3250	191	18	a	a	DET
ajst-3250	191	19	smaller	small	ADJ
ajst-3250	191	20	maximum	maximum	ADJ
ajst-3250	191	21	contact	contact	NOUN
ajst-3250	191	22	pressure	pressure	NOUN
ajst-3250	191	23	than	than	ADP
ajst-3250	191	24	the	the	DET
ajst-3250	191	25	o	o	ADJ
ajst-3250	191	26	-	-	NOUN
ajst-3250	191	27	type	type	NOUN
ajst-3250	191	28	sealing	sealing	NOUN
ajst-3250	191	29	ring	ring	NOUN
ajst-3250	191	30	,	,	PUNCT
ajst-3250	191	31	and	and	CCONJ
ajst-3250	191	32	the	the	DET
ajst-3250	191	33	sealing	seal	VERB
ajst-3250	191	34	parts	part	NOUN
ajst-3250	191	35	are	be	AUX
ajst-3250	191	36	not	not	PART
ajst-3250	191	37	easy	easy	ADJ
ajst-3250	191	38	to	to	PART
ajst-3250	191	39	deformation	deformation	NOUN
ajst-3250	191	40	.	.	PUNCT
ajst-3250	192	1	in	in	ADP
ajst-3250	192	2	the	the	DET
ajst-3250	192	3	process	process	NOUN
ajst-3250	192	4	of	of	ADP
ajst-3250	192	5	using	use	VERB
ajst-3250	192	6	the	the	DET
ajst-3250	192	7	double	double	ADJ
ajst-3250	192	8	-	-	PUNCT
ajst-3250	192	9	layer	layer	NOUN
ajst-3250	192	10	drill	drill	NOUN
ajst-3250	192	11	pipe	pipe	NOUN
ajst-3250	192	12	,	,	PUNCT
ajst-3250	192	13	it	it	PRON
ajst-3250	192	14	is	be	AUX
ajst-3250	192	15	more	more	ADV
ajst-3250	192	16	suitable	suitable	ADJ
ajst-3250	192	17	for	for	ADP
ajst-3250	192	18	the	the	DET
ajst-3250	192	19	complex	complex	ADJ
ajst-3250	192	20	and	and	CCONJ
ajst-3250	192	21	varied	varied	ADJ
ajst-3250	192	22	downhole	downhole	NOUN
ajst-3250	192	23	environment	environment	NOUN
ajst-3250	192	24	,	,	PUNCT
ajst-3250	192	25	and	and	CCONJ
ajst-3250	192	26	has	have	VERB
ajst-3250	192	27	higher	high	ADJ
ajst-3250	192	28	reliability	reliability	NOUN
ajst-3250	192	29	.	.	PUNCT
ajst-3250	193	1	4	4	X
ajst-3250	193	2	.	.	X
ajst-3250	193	3	conclusion	conclusion	NOUN
ajst-3250	193	4	(	(	PUNCT
ajst-3250	193	5	1	1	NUM
ajst-3250	193	6	)	)	PUNCT
ajst-3250	193	7	double	double	ADJ
ajst-3250	193	8	-	-	PUNCT
ajst-3250	193	9	decker	decker	NOUN
ajst-3250	193	10	drill	drill	NOUN
ajst-3250	193	11	pipe	pipe	NOUN
ajst-3250	193	12	is	be	AUX
ajst-3250	193	13	an	an	DET
ajst-3250	193	14	important	important	ADJ
ajst-3250	193	15	supporting	support	VERB
ajst-3250	193	16	equipment	equipment	NOUN
ajst-3250	193	17	of	of	ADP
ajst-3250	193	18	gas	gas	NOUN
ajst-3250	193	19	-	-	PUNCT
ajst-3250	193	20	lift	lift	NOUN
ajst-3250	193	21	positive	positive	ADJ
ajst-3250	193	22	circulation	circulation	NOUN
ajst-3250	193	23	drilling	drilling	NOUN
ajst-3250	193	24	technology	technology	NOUN
ajst-3250	193	25	.	.	PUNCT
ajst-3250	194	1	the	the	DET
ajst-3250	194	2	modular	modular	ADJ
ajst-3250	194	3	double	double	ADJ
ajst-3250	194	4	-	-	PUNCT
ajst-3250	194	5	decker	decker	NOUN
ajst-3250	194	6	drill	drill	NOUN
ajst-3250	194	7	pipe	pipe	NOUN
ajst-3250	194	8	has	have	VERB
ajst-3250	194	9	the	the	DET
ajst-3250	194	10	characteristics	characteristic	NOUN
ajst-3250	194	11	of	of	ADP
ajst-3250	194	12	reliable	reliable	ADJ
ajst-3250	194	13	positioning	positioning	NOUN
ajst-3250	194	14	,	,	PUNCT
ajst-3250	194	15	simple	simple	ADJ
ajst-3250	194	16	assembly	assembly	NOUN
ajst-3250	194	17	,	,	PUNCT
ajst-3250	194	18	good	good	ADJ
ajst-3250	194	19	applicability	applicability	NOUN
ajst-3250	194	20	and	and	CCONJ
ajst-3250	194	21	easy	easy	ADJ
ajst-3250	194	22	maintenance	maintenance	NOUN
ajst-3250	194	23	.	.	PUNCT
ajst-3250	195	1	(	(	PUNCT
ajst-3250	195	2	2	2	X
ajst-3250	195	3	)	)	PUNCT
ajst-3250	195	4	the	the	DET
ajst-3250	195	5	modular	modular	ADJ
ajst-3250	195	6	double	double	ADJ
ajst-3250	195	7	drill	drill	NOUN
ajst-3250	195	8	pipe	pipe	NOUN
ajst-3250	195	9	needs	need	VERB
ajst-3250	195	10	to	to	PART
ajst-3250	195	11	strengthen	strengthen	VERB
ajst-3250	195	12	the	the	DET
ajst-3250	195	13	joint	joint	NOUN
ajst-3250	195	14	,	,	PUNCT
ajst-3250	195	15	which	which	PRON
ajst-3250	195	16	can	can	AUX
ajst-3250	195	17	effectively	effectively	ADV
ajst-3250	195	18	improve	improve	VERB
ajst-3250	195	19	its	its	PRON
ajst-3250	195	20	reliability	reliability	NOUN
ajst-3250	195	21	;	;	PUNCT
ajst-3250	195	22	using	use	VERB
ajst-3250	195	23	the	the	DET
ajst-3250	195	24	inner	inner	ADJ
ajst-3250	195	25	pipe	pipe	NOUN
ajst-3250	195	26	to	to	PART
ajst-3250	195	27	inject	inject	VERB
ajst-3250	195	28	drilling	drilling	NOUN
ajst-3250	195	29	fluid	fluid	NOUN
ajst-3250	195	30	can	can	AUX
ajst-3250	195	31	significantly	significantly	ADV
ajst-3250	195	32	reduce	reduce	VERB
ajst-3250	195	33	the	the	DET
ajst-3250	195	34	pressure	pressure	NOUN
ajst-3250	195	35	loss	loss	NOUN
ajst-3250	195	36	through	through	ADP
ajst-3250	195	37	the	the	DET
ajst-3250	195	38	fluid	fluid	NOUN
ajst-3250	195	39	.	.	PUNCT
ajst-3250	196	1	(	(	PUNCT
ajst-3250	196	2	3	3	X
ajst-3250	196	3	)	)	PUNCT
ajst-3250	196	4	modular	modular	ADJ
ajst-3250	196	5	double	double	ADJ
ajst-3250	196	6	drill	drill	NOUN
ajst-3250	196	7	pipe	pipe	NOUN
ajst-3250	196	8	has	have	VERB
ajst-3250	196	9	reliable	reliable	ADJ
ajst-3250	196	10	tensile	tensile	NOUN
ajst-3250	196	11	and	and	CCONJ
ajst-3250	196	12	torsional	torsional	ADJ
ajst-3250	196	13	performance	performance	NOUN
ajst-3250	196	14	of	of	ADP
ajst-3250	196	15	drill	drill	NOUN
ajst-3250	196	16	pipe	pipe	NOUN
ajst-3250	196	17	,	,	PUNCT
ajst-3250	196	18	and	and	CCONJ
ajst-3250	196	19	the	the	DET
ajst-3250	196	20	inner	inner	ADJ
ajst-3250	196	21	pipe	pipe	NOUN
ajst-3250	196	22	size	size	NOUN
ajst-3250	196	23	can	can	AUX
ajst-3250	196	24	be	be	AUX
ajst-3250	196	25	adjusted	adjust	VERB
ajst-3250	196	26	flexibly	flexibly	ADV
ajst-3250	196	27	;	;	PUNCT
ajst-3250	196	28	the	the	DET
ajst-3250	196	29	drilling	drilling	NOUN
ajst-3250	196	30	fluid	fluid	NOUN
ajst-3250	196	31	with	with	ADP
ajst-3250	196	32	large	large	ADJ
ajst-3250	196	33	inner	inner	ADJ
ajst-3250	196	34	tube	tube	NOUN
ajst-3250	196	35	has	have	VERB
ajst-3250	196	36	lower	low	ADJ
ajst-3250	196	37	pressure	pressure	NOUN
ajst-3250	196	38	loss	loss	NOUN
ajst-3250	196	39	;	;	PUNCT
ajst-3250	196	40	the	the	DET
ajst-3250	196	41	c	c	NOUN
ajst-3250	196	42	-	-	PUNCT
ajst-3250	196	43	shaped	shape	VERB
ajst-3250	196	44	sealing	sealing	NOUN
ajst-3250	196	45	performance	performance	NOUN
ajst-3250	196	46	of	of	ADP
ajst-3250	196	47	the	the	DET
ajst-3250	196	48	inner	inner	ADJ
ajst-3250	196	49	pipe	pipe	NOUN
ajst-3250	196	50	joint	joint	NOUN
ajst-3250	196	51	is	be	AUX
ajst-3250	196	52	better	well	ADJ
ajst-3250	196	53	than	than	ADP
ajst-3250	196	54	the	the	DET
ajst-3250	196	55	o	o	NOUN
ajst-3250	196	56	-	-	ADJ
ajst-3250	196	57	shaped	shaped	ADJ
ajst-3250	196	58	sealing	sealing	NOUN
ajst-3250	196	59	structure	structure	NOUN
ajst-3250	196	60	of	of	ADP
ajst-3250	196	61	the	the	DET
ajst-3250	196	62	existing	exist	VERB
ajst-3250	196	63	double	double	ADJ
ajst-3250	196	64	drill	drill	NOUN
ajst-3250	196	65	pipe	pipe	NOUN
ajst-3250	196	66	.	.	PUNCT
ajst-3250	197	1	references	reference	NOUN
ajst-3250	197	2	[	[	X
ajst-3250	197	3	1	1	X
ajst-3250	197	4	]	]	PUNCT
ajst-3250	197	5	zheng	zheng	PROPN
ajst-3250	197	6	biao	biao	PROPN
ajst-3250	197	7	,	,	PUNCT
ajst-3250	197	8	zou	zou	PROPN
ajst-3250	197	9	wenzhong	wenzhong	PROPN
ajst-3250	197	10	,	,	PUNCT
ajst-3250	197	11	li	li	PROPN
ajst-3250	197	12	yonghe	yonghe	PROPN
ajst-3250	197	13	.	.	PUNCT
ajst-3250	198	1	the	the	DET
ajst-3250	198	2	heavy	heavy	ADJ
ajst-3250	198	3	oil	oil	NOUN
ajst-3250	198	4	reservoirs	reservoir	NOUN
ajst-3250	198	5	of	of	ADP
ajst-3250	198	6	low	low	ADJ
ajst-3250	198	7	pressure	pressure	NOUN
ajst-3250	198	8	gas	gas	NOUN
ajst-3250	198	9	drilling	drilling	NOUN
ajst-3250	198	10	and	and	CCONJ
ajst-3250	198	11	inflatable	inflatable	ADJ
ajst-3250	198	12	gravel	gravel	NOUN
ajst-3250	198	13	pack	pack	NOUN
ajst-3250	198	14	completion	completion	NOUN
ajst-3250	198	15	technology	technology	NOUN
ajst-3250	198	16	and	and	CCONJ
ajst-3250	198	17	application	application	NOUN
ajst-3250	198	18	[	[	X
ajst-3250	198	19	j	j	X
ajst-3250	198	20	]	]	X
ajst-3250	198	21	.	.	PUNCT
ajst-3250	199	1	oil	oil	NOUN
ajst-3250	199	2	drilling	drilling	NOUN
ajst-3250	199	3	technology	technology	NOUN
ajst-3250	199	4	,	,	PUNCT
ajst-3250	199	5	1993	1993	NUM
ajst-3250	199	6	(	(	PUNCT
ajst-3250	199	7	04	04	NUM
ajst-3250	199	8	)	)	PUNCT
ajst-3250	199	9	:	:	PUNCT
ajst-3250	200	1	32	32	NUM
ajst-3250	200	2	-	-	SYM
ajst-3250	200	3	40	40	NUM
ajst-3250	200	4	+	+	NUM
ajst-3250	200	5	51	51	NUM
ajst-3250	200	6	.	.	PUNCT
ajst-3250	200	7	doi	doi	NOUN
ajst-3250	200	8	:	:	PUNCT
ajst-3250	200	9	10.13639	10.13639	NUM
ajst-3250	200	10	/	/	SYM
ajst-3250	200	11	j.o	j.o	PROPN
ajst-3250	200	12	dpt	dpt	PROPN
ajst-3250	200	13	.	.	PROPN
ajst-3250	200	14	1993.04.007	1993.04.007	NUM
ajst-3250	200	15	.	.	PUNCT
ajst-3250	201	1	[	[	X
ajst-3250	201	2	2	2	NUM
ajst-3250	201	3	]	]	PUNCT
ajst-3250	201	4	yang	yang	PROPN
ajst-3250	201	5	guang	guang	PROPN
ajst-3250	201	6	,	,	PUNCT
ajst-3250	201	7	kaisheng	kaisheng	PROPN
ajst-3250	201	8	long	long	ADV
ajst-3250	201	9	,	,	PUNCT
ajst-3250	201	10	bai	bai	PROPN
ajst-3250	201	11	liye	liye	PROPN
ajst-3250	201	12	,	,	PUNCT
ajst-3250	201	13	cao	cao	PROPN
ajst-3250	201	14	jifei	jifei	PROPN
ajst-3250	201	15	,	,	PUNCT
ajst-3250	201	16	zhang	zhang	PROPN
ajst-3250	201	17	guobin	guobin	PROPN
ajst-3250	201	18	.	.	PUNCT
ajst-3250	201	19	drilling	drilling	NOUN
ajst-3250	201	20	technology	technology	NOUN
ajst-3250	201	21	and	and	CCONJ
ajst-3250	201	22	applicability	applicability	NOUN
ajst-3250	201	23	analysis	analysis	NOUN
ajst-3250	201	24	of	of	ADP
ajst-3250	201	25	double	double	ADJ
ajst-3250	201	26	-	-	PUNCT
ajst-3250	201	27	wall	wall	NOUN
ajst-3250	201	28	drill	drill	NOUN
ajst-3250	201	29	pipe	pipe	NOUN
ajst-3250	202	1	[	[	X
ajst-3250	202	2	j	j	X
ajst-3250	202	3	]	]	X
ajst-3250	202	4	.	.	PUNCT
ajst-3250	203	1	west	west	PROPN
ajst-3250	203	2	china	china	PROPN
ajst-3250	203	3	exploration	exploration	PROPN
ajst-3250	203	4	engineering	engineering	NOUN
ajst-3250	203	5	,	,	PUNCT
ajst-3250	203	6	2013	2013	NUM
ajst-3250	203	7	,	,	PUNCT
ajst-3250	203	8	25(03):80	25(03):80	NUM
ajst-3250	203	9	-	-	SYM
ajst-3250	203	10	82	82	NUM
ajst-3250	203	11	.	.	PUNCT
ajst-3250	204	1	[	[	X
ajst-3250	204	2	3	3	NUM
ajst-3250	204	3	]	]	X
ajst-3250	204	4	yang	yang	PROPN
ajst-3250	204	5	huwei	huwei	PROPN
ajst-3250	204	6	.	.	PUNCT
ajst-3250	205	1	development	development	NOUN
ajst-3250	205	2	of	of	ADP
ajst-3250	205	3	reverse	reverse	ADJ
ajst-3250	205	4	circulation	circulation	NOUN
ajst-3250	205	5	drilling	drill	VERB
ajst-3250	205	6	double	double	ADJ
ajst-3250	205	7	-	-	PUNCT
ajst-3250	205	8	wall	wall	NOUN
ajst-3250	205	9	drilling	drilling	NOUN
ajst-3250	205	10	tool	tool	NOUN
ajst-3250	205	11	for	for	ADP
ajst-3250	205	12	large	large	ADJ
ajst-3250	205	13	diameter	diameter	NOUN
ajst-3250	205	14	reaming	ream	VERB
ajst-3250	205	15	[	[	X
ajst-3250	205	16	j	j	X
ajst-3250	205	17	]	]	X
ajst-3250	205	18	.	.	PUNCT
ajst-3250	206	1	coal	coal	NOUN
ajst-3250	206	2	mine	mine	NOUN
ajst-3250	206	3	machinery,20,41(01):157	machinery,20,41(01):157	PROPN
ajst-3250	206	4	-	-	PUNCT
ajst-3250	206	5	159	159	NUM
ajst-3250	206	6	.	.	PUNCT
ajst-3250	207	1	[	[	X
ajst-3250	207	2	4	4	X
ajst-3250	207	3	]	]	PUNCT
ajst-3250	207	4	wang	wang	PROPN
ajst-3250	207	5	yunmei	yunmei	PROPN
ajst-3250	207	6	,	,	PUNCT
ajst-3250	207	7	li	li	PROPN
ajst-3250	207	8	chen	chen	PROPN
ajst-3250	207	9	,	,	PUNCT
ajst-3250	207	10	ma	ma	PROPN
ajst-3250	207	11	jianmin	jianmin	PROPN
ajst-3250	207	12	.	.	PUNCT
ajst-3250	208	1	application	application	NOUN
ajst-3250	208	2	of	of	ADP
ajst-3250	208	3	reverse	reverse	ADJ
ajst-3250	208	4	circulation	circulation	NOUN
ajst-3250	208	5	drilling	drill	VERB
ajst-3250	208	6	technology	technology	NOUN
ajst-3250	208	7	in	in	ADP
ajst-3250	208	8	shallow	shallow	ADJ
ajst-3250	208	9	gas	gas	NOUN
ajst-3250	208	10	development	development	NOUN
ajst-3250	209	1	[	[	X
ajst-3250	209	2	j	j	X
ajst-3250	209	3	]	]	X
ajst-3250	209	4	.	.	PUNCT
ajst-3250	210	1	china	china	PROPN
ajst-3250	210	2	petroleum	petroleum	PROPN
ajst-3250	210	3	machinery,2007(05):59	machinery,2007(05):59	PROPN
ajst-3250	210	4	-	-	PUNCT
ajst-3250	210	5	61	61	NUM
ajst-3250	210	6	.	.	PUNCT
ajst-3250	211	1	[	[	X
ajst-3250	211	2	5	5	NUM
ajst-3250	211	3	]	]	PUNCT
ajst-3250	211	4	m.mir	m.mir	NOUN
ajst-3250	211	5	rajabi	rajabi	NOUN
ajst-3250	211	6	,	,	PUNCT
ajst-3250	211	7	a.i1	a.i1	X
ajst-3250	211	8	.	.	PUNCT
ajst-3250	212	1	nergaard.riserless	nergaard.riserless	PROPN
ajst-3250	212	2	reelwell	reelwell	VERB
ajst-3250	212	3	drilling	drilling	NOUN
ajst-3250	212	4	method	method	NOUN
ajst-3250	212	5	to	to	PART
ajst-3250	212	6	address	address	VERB
ajst-3250	212	7	many	many	ADJ
ajst-3250	212	8	deepwater	deepwater	ADJ
ajst-3250	212	9	drilling	drilling	NOUN
ajst-3250	212	10	chanllenges	chanllenge	NOUN
ajst-3250	212	11	.	.	PUNCT
ajst-3250	213	1	iadc	iadc	PROPN
ajst-3250	213	2	/	/	SYM
ajst-3250	213	3	spe	spe	PROPN
ajst-3250	213	4	126148	126148	NUM
ajst-3250	213	5	.	.	PUNCT
ajst-3250	214	1	[	[	X
ajst-3250	214	2	6	6	NUM
ajst-3250	214	3	]	]	X
ajst-3250	214	4	ola	ola	PROPN
ajst-3250	214	5	vestavik	vestavik	PROPN
ajst-3250	214	6	,	,	PUNCT
ajst-3250	214	7	scott	scott	PROPN
ajst-3250	214	8	kerr	kerr	PROPN
ajst-3250	214	9	,	,	PUNCT
ajst-3250	214	10	stuart	stuart	PROPN
ajst-3250	214	11	brown.reelwell	brown.reelwell	PROPN
ajst-3250	214	12	drillingmethod.spe/iadc	drillingmethod.spe/iadc	X
ajst-3250	214	13	119491	119491	NUM
ajst-3250	214	14	.	.	PUNCT
ajst-3250	215	1	[	[	X
ajst-3250	215	2	7	7	NUM
ajst-3250	215	3	]	]	PUNCT
ajst-3250	215	4	vestavik	vestavik	NOUN
ajst-3250	215	5	,	,	PUNCT
ajst-3250	215	6	o.	o.	NOUN
ajst-3250	215	7	m.	m.	NOUN
ajst-3250	215	8	,	,	PUNCT
ajst-3250	215	9	thorogood	thorogood	PROPN
ajst-3250	215	10	,	,	PUNCT
ajst-3250	215	11	j	j	PROPN
ajst-3250	215	12	..	..	PUNCT
ajst-3250	215	13	,	,	PUNCT
ajst-3250	215	14	bourdelet	bourdelet	NOUN
ajst-3250	215	15	,	,	PUNCT
ajst-3250	215	16	e	e	PROPN
ajst-3250	215	17	..	..	PUNCT
ajst-3250	215	18	,	,	PUNCT
ajst-3250	215	19	schmalhorst	schmalhorst	NOUN
ajst-3250	215	20	,	,	PUNCT
ajst-3250	215	21	b	b	NOUN
ajst-3250	215	22	..	..	PUNCT
ajst-3250	215	23	,	,	PUNCT
ajst-3250	215	24	and	and	CCONJ
ajst-3250	215	25	j.	j.	PROPN
ajst-3250	215	26	p.	p.	PROPN
ajst-3250	215	27	roed	roed	PROPN
ajst-3250	215	28	.	.	PUNCT
ajst-3250	216	1	"	"	PUNCT
ajst-3250	216	2	horizontal	horizontal	ADJ
ajst-3250	216	3	drilling	drilling	NOUN
ajst-3250	216	4	with	with	ADP
ajst-3250	216	5	dual	dual	ADJ
ajst-3250	216	6	channel	channel	NOUN
ajst-3250	216	7	drill	drill	NOUN
ajst-3250	216	8	pipe	pipe	NOUN
ajst-3250	216	9	.	.	PUNCT
ajst-3250	216	10	"	"	PUNCT
ajst-3250	217	1	paper	paper	NOUN
ajst-3250	217	2	presented	present	VERB
ajst-3250	217	3	at	at	ADP
ajst-3250	217	4	the	the	DET
ajst-3250	217	5	spe	spe	PROPN
ajst-3250	217	6	/	/	SYM
ajst-3250	217	7	iadc	iadc	NOUN
ajst-3250	217	8	drilling	drilling	NOUN
ajst-3250	217	9	conference	conference	NOUN
ajst-3250	217	10	and	and	CCONJ
ajst-3250	217	11	exhibition	exhibition	NOUN
ajst-3250	217	12	,	,	PUNCT
ajst-3250	217	13	the	the	DET
ajst-3250	217	14	hague	hague	NOUN
ajst-3250	217	15	,	,	PUNCT
ajst-3250	217	16	the	the	DET
ajst-3250	217	17	netherlands	netherlands	PROPN
ajst-3250	217	18	,	,	PUNCT
ajst-3250	217	19	march	march	PROPN
ajst-3250	217	20	2017	2017	NUM
ajst-3250	217	21	.	.	PUNCT
ajst-3250	218	1	doi	doi	NOUN
ajst-3250	218	2	:	:	PUNCT
ajst-3250	218	3	https://doi.org/10.2118/184683-ms	https://doi.org/10.2118/184683-ms	NOUN
ajst-3250	218	4	.	.	PUNCT
ajst-3250	219	1	[	[	X
ajst-3250	219	2	8	8	NUM
ajst-3250	219	3	]	]	SYM
ajst-3250	219	4	breivik	breivik	PROPN
ajst-3250	219	5	,	,	PUNCT
ajst-3250	219	6	dag	dag	PROPN
ajst-3250	219	7	helge	helge	PROPN
ajst-3250	219	8	,	,	PUNCT
ajst-3250	219	9	rørvik	rørvik	PROPN
ajst-3250	219	10	,	,	PUNCT
ajst-3250	219	11	helge	helge	NOUN
ajst-3250	219	12	,	,	PUNCT
ajst-3250	219	13	and	and	CCONJ
ajst-3250	219	14	ola	ola	PROPN
ajst-3250	219	15	michael	michael	PROPN
ajst-3250	219	16	vestavik	vestavik	PROPN
ajst-3250	219	17	.	.	PUNCT
ajst-3250	220	1	"	"	PUNCT
ajst-3250	220	2	improving	improve	VERB
ajst-3250	220	3	horizontal	horizontal	ADJ
ajst-3250	220	4	well	well	INTJ
ajst-3250	220	5	mpd	mpd	NOUN
ajst-3250	220	6	by	by	ADP
ajst-3250	220	7	using	use	VERB
ajst-3250	220	8	a	a	DET
ajst-3250	220	9	dual	dual	ADJ
ajst-3250	220	10	-	-	PUNCT
ajst-3250	220	11	channel	channel	NOUN
ajst-3250	220	12	drillstring	drillstring	NOUN
ajst-3250	220	13	.	.	PUNCT
ajst-3250	220	14	"	"	PUNCT
ajst-3250	221	1	paper	paper	NOUN
ajst-3250	221	2	presented	present	VERB
ajst-3250	221	3	at	at	ADP
ajst-3250	221	4	the	the	DET
ajst-3250	221	5	spe	spe	PROPN
ajst-3250	221	6	/	/	SYM
ajst-3250	221	7	iadc	iadc	NOUN
ajst-3250	221	8	managed	manage	VERB
ajst-3250	221	9	pressure	pressure	NOUN
ajst-3250	221	10	drilling	drilling	NOUN
ajst-3250	221	11	and	and	CCONJ
ajst-3250	221	12	underbalanced	underbalanced	ADJ
ajst-3250	221	13	operations	operation	NOUN
ajst-3250	221	14	conference	conference	NOUN
ajst-3250	221	15	and	and	CCONJ
ajst-3250	221	16	exhibition	exhibition	NOUN
ajst-3250	221	17	,	,	PUNCT
ajst-3250	221	18	virtual	virtual	ADJ
ajst-3250	221	19	,	,	PUNCT
ajst-3250	221	20	october	october	PROPN
ajst-3250	221	21	2020	2020	NUM
ajst-3250	221	22	.	.	PUNCT
ajst-3250	222	1	doi	doi	NOUN
ajst-3250	222	2	:	:	PUNCT
ajst-3250	222	3	https://doi.org/10.2118/200506-ms	https://doi.org/10.2118/200506-ms	NOUN
ajst-3250	222	4	.	.	PUNCT
ajst-3250	223	1	[	[	X
ajst-3250	223	2	9	9	NUM
ajst-3250	223	3	]	]	SYM
ajst-3250	223	4	li	li	X
ajst-3250	223	5	yonghe	yonghe	PROPN
ajst-3250	223	6	.	.	PUNCT
ajst-3250	224	1	low	low	ADJ
ajst-3250	224	2	pressure	pressure	NOUN
ajst-3250	224	3	drilling	drilling	NOUN
ajst-3250	224	4	technology	technology	NOUN
ajst-3250	224	5	of	of	ADP
ajst-3250	224	6	double	double	ADJ
ajst-3250	224	7	drill	drill	NOUN
ajst-3250	224	8	pipe	pipe	NOUN
ajst-3250	225	1	[	[	X
ajst-3250	225	2	j	j	X
ajst-3250	225	3	]	]	X
ajst-3250	225	4	.	.	PUNCT
ajst-3250	226	1	petroleum	petroleum	NOUN
ajst-3250	226	2	drilling	drilling	NOUN
ajst-3250	226	3	techniques,2007(02):1	techniques,2007(02):1	NOUN
ajst-3250	226	4	-	-	PUNCT
ajst-3250	226	5	4	4	NUM
ajst-3250	226	6	.	.	PUNCT
ajst-3250	227	1	[	[	X
ajst-3250	227	2	10	10	NUM
ajst-3250	227	3	]	]	PUNCT
ajst-3250	227	4	xu	xu	PROPN
ajst-3250	228	1	honglin	honglin	PROPN
ajst-3250	228	2	,	,	PUNCT
ajst-3250	228	3	yang	yang	PROPN
ajst-3250	228	4	bin	bin	PROPN
ajst-3250	228	5	,	,	PUNCT
ajst-3250	228	6	shi	shi	PROPN
ajst-3250	228	7	taihe	taihe	PROPN
ajst-3250	228	8	,	,	PUNCT
ajst-3250	228	9	zhang	zhang	PROPN
ajst-3250	228	10	zhi	zhi	PROPN
ajst-3250	228	11	.	.	PUNCT
ajst-3250	229	1	analysis	analysis	NOUN
ajst-3250	229	2	of	of	ADP
ajst-3250	229	3	influencing	influence	VERB
ajst-3250	229	4	factors	factor	NOUN
ajst-3250	229	5	for	for	ADP
ajst-3250	229	6	gas	gas	NOUN
ajst-3250	229	7	sealing	sealing	NOUN
ajst-3250	229	8	performance	performance	NOUN
ajst-3250	229	9	of	of	ADP
ajst-3250	229	10	special	special	ADJ
ajst-3250	229	11	thread	thread	NOUN
ajst-3250	229	12	on	on	ADP
ajst-3250	229	13	ball	ball	NOUN
ajst-3250	229	14	face	face	NOUN
ajst-3250	229	15	cone	cone	NOUN
ajst-3250	230	1	[	[	X
ajst-3250	230	2	j	j	X
ajst-3250	230	3	]	]	X
ajst-3250	230	4	.	.	PUNCT
ajst-3250	231	1	journal	journal	PROPN
ajst-3250	231	2	of	of	ADP
ajst-3250	231	3	southwest	southwest	PROPN
ajst-3250	231	4	petroleum	petroleum	PROPN
ajst-3250	231	5	university	university	PROPN
ajst-3250	231	6	(	(	PUNCT
ajst-3250	231	7	science	science	NOUN
ajst-3250	231	8	&	&	CCONJ
ajst-3250	231	9	technology	technology	NOUN
ajst-3250	231	10	edition),2017,39(06):162166	edition),2017,39(06):162166	ADJ
ajst-3250	231	11	.	.	PUNCT
ajst-3250	232	1	[	[	X
ajst-3250	232	2	11	11	NUM
ajst-3250	232	3	]	]	X
ajst-3250	232	4	tian	tian	PROPN
ajst-3250	232	5	jialin	jialin	PROPN
ajst-3250	232	6	,	,	PUNCT
ajst-3250	232	7	yang	yang	PROPN
ajst-3250	232	8	zhi	zhi	PROPN
ajst-3250	232	9	,	,	PUNCT
ajst-3250	232	10	fu	fu	PROPN
ajst-3250	232	11	chuanhong	chuanhong	PROPN
ajst-3250	232	12	,	,	PUNCT
ajst-3250	232	13	yang	yang	PROPN
ajst-3250	232	14	lin	lin	PROPN
ajst-3250	232	15	,	,	PUNCT
ajst-3250	232	16	li	li	PROPN
ajst-3250	232	17	you	you	PROPN
ajst-3250	232	18	,	,	PUNCT
ajst-3250	232	19	zhu	zhu	PROPN
ajst-3250	232	20	yonghao	yonghao	PROPN
ajst-3250	232	21	.	.	PUNCT
ajst-3250	233	1	analysis	analysis	NOUN
ajst-3250	233	2	of	of	ADP
ajst-3250	233	3	drill	drill	NOUN
ajst-3250	233	4	string	string	NOUN
ajst-3250	233	5	failure	failure	NOUN
ajst-3250	233	6	caused	cause	VERB
ajst-3250	233	7	by	by	ADP
ajst-3250	233	8	erosion	erosion	NOUN
ajst-3250	233	9	of	of	ADP
ajst-3250	233	10	fluid	fluid	NOUN
ajst-3250	233	11	-	-	PUNCT
ajst-3250	233	12	solid	solid	NOUN
ajst-3250	233	13	coupled	couple	VERB
ajst-3250	233	14	drilling	drilling	NOUN
ajst-3250	233	15	fluid	fluid	NOUN
ajst-3250	233	16	[	[	X
ajst-3250	233	17	j	j	X
ajst-3250	233	18	]	]	X
ajst-3250	233	19	.	.	PUNCT
ajst-3250	234	1	china	china	PROPN
ajst-3250	234	2	offshore	offshore	ADJ
ajst-3250	234	3	oil	oil	NOUN
ajst-3250	234	4	and	and	CCONJ
ajst-3250	234	5	gas,2015,27(02):73	gas,2015,27(02):73	ADJ
ajst-3250	234	6	-	-	PUNCT
ajst-3250	234	7	77	77	NUM
ajst-3250	234	8	+	+	NOUN
ajst-3250	234	9	86	86	NUM
ajst-3250	234	10	.	.	PUNCT
ajst-3250	235	1	[	[	X
ajst-3250	235	2	12	12	NUM
ajst-3250	235	3	]	]	X
ajst-3250	235	4	kang	kang	PROPN
ajst-3250	235	5	bo	bo	PROPN
ajst-3250	235	6	,	,	PUNCT
ajst-3250	235	7	fan	fan	PROPN
ajst-3250	235	8	honghai	honghai	PROPN
ajst-3250	235	9	,	,	PUNCT
ajst-3250	235	10	tang	tang	PROPN
ajst-3250	235	11	honglin	honglin	PROPN
ajst-3250	235	12	,	,	PUNCT
ajst-3250	235	13	deng	deng	PROPN
ajst-3250	235	14	song	song	PROPN
ajst-3250	235	15	,	,	PUNCT
ajst-3250	235	16	liu	liu	PROPN
ajst-3250	235	17	yali	yali	PROPN
ajst-3250	235	18	,	,	PUNCT
ajst-3250	235	19	shao	shao	PROPN
ajst-3250	235	20	shuai	shuai	PROPN
ajst-3250	235	21	,	,	PUNCT
ajst-3250	235	22	zhou	zhou	PROPN
ajst-3250	235	23	yanjun	yanjun	PROPN
ajst-3250	235	24	.	.	PUNCT
ajst-3250	236	1	common	common	ADJ
ajst-3250	236	2	low	low	ADJ
ajst-3250	236	3	-	-	PUNCT
ajst-3250	236	4	voltage	voltage	NOUN
ajst-3250	236	5	fractured	fractured	ADJ
ajst-3250	236	6	formation	formation	NOUN
ajst-3250	236	7	gas	gas	NOUN
ajst-3250	236	8	lift	lift	NOUN
ajst-3250	236	9	through	through	ADP
ajst-3250	236	10	missing	miss	VERB
ajst-3250	236	11	drilling	drilling	NOUN
ajst-3250	236	12	technology	technology	NOUN
ajst-3250	237	1	[	[	X
ajst-3250	237	2	j	j	X
ajst-3250	237	3	]	]	X
ajst-3250	237	4	.	.	PUNCT
ajst-3250	238	1	oil	oil	NOUN
ajst-3250	238	2	drilling	drilling	NOUN
ajst-3250	238	3	technology	technology	NOUN
ajst-3250	238	4	,	,	PUNCT
ajst-3250	238	5	2019	2019	NUM
ajst-3250	238	6	,	,	PUNCT
ajst-3250	238	7	9	9	NUM
ajst-3250	238	8	(	(	PUNCT
ajst-3250	238	9	5	5	NUM
ajst-3250	238	10	)	)	PUNCT
ajst-3250	238	11	:	:	PUNCT
ajst-3250	239	1	580	580	NUM
ajst-3250	239	2	-	-	SYM
ajst-3250	239	3	585	585	NUM
ajst-3250	239	4	.	.	PUNCT
ajst-3250	240	1	the	the	DET
ajst-3250	240	2	doi	doi	NOUN
ajst-3250	240	3	:	:	PUNCT
ajst-3250	240	4	10.13639	10.13639	NUM
ajst-3250	240	5	/	/	SYM
ajst-3250	240	6	j.o	j.o	PROPN
ajst-3250	240	7	dpt	dpt	PROPN
ajst-3250	240	8	.	.	PROPN
ajst-3250	240	9	2019.05.005	2019.05.005	NUM
ajst-3250	240	10	.	.	PUNCT
ajst-3250	241	1	[	[	X
ajst-3250	241	2	13	13	NUM
ajst-3250	241	3	]	]	X
ajst-3250	241	4	kang	kang	PROPN
ajst-3250	241	5	,	,	PUNCT
ajst-3250	241	6	bo	bo	PROPN
ajst-3250	241	7	,	,	PUNCT
ajst-3250	241	8	fan	fan	PROPN
ajst-3250	241	9	,	,	PUNCT
ajst-3250	241	10	honghai	honghai	ADJ
ajst-3250	241	11	,	,	PUNCT
ajst-3250	241	12	liu	liu	PROPN
ajst-3250	241	13	,	,	PUNCT
ajst-3250	241	14	jinge	jinge	PROPN
ajst-3250	241	15	,	,	PUNCT
ajst-3250	241	16	wen	wen	PROPN
ajst-3250	241	17	,	,	PUNCT
ajst-3250	241	18	zixiang	zixiang	PROPN
ajst-3250	241	19	,	,	PUNCT
ajst-3250	241	20	deng	deng	PROPN
ajst-3250	241	21	,	,	PUNCT
ajst-3250	241	22	song	song	NOUN
ajst-3250	241	23	,	,	PUNCT
ajst-3250	241	24	wang	wang	PROPN
ajst-3250	241	25	,	,	PUNCT
ajst-3250	241	26	shujiang	shujiang	PROPN
ajst-3250	241	27	,	,	PUNCT
ajst-3250	241	28	chen	chen	PROPN
ajst-3250	241	29	,	,	PUNCT
ajst-3250	241	30	yongming	yongming	PROPN
ajst-3250	241	31	,	,	PUNCT
ajst-3250	241	32	zhou	zhou	PROPN
ajst-3250	241	33	,	,	PUNCT
ajst-3250	241	34	yanjun	yanjun	PROPN
ajst-3250	241	35	,	,	PUNCT
ajst-3250	241	36	feng	feng	PROPN
ajst-3250	241	37	,	,	PUNCT
ajst-3250	241	38	guangtong	guangtong	PROPN
ajst-3250	241	39	,	,	PUNCT
ajst-3250	241	40	li	li	PROPN
ajst-3250	241	41	,	,	PUNCT
ajst-3250	241	42	zongqing	zongqing	NOUN
ajst-3250	241	43	,	,	PUNCT
ajst-3250	241	44	and	and	CCONJ
ajst-3250	241	45	xiuliang	xiuliang	PROPN
ajst-3250	241	46	yan	yan	PROPN
ajst-3250	241	47	.	.	PUNCT
ajst-3250	242	1	"	"	PUNCT
ajst-3250	242	2	an	an	DET
ajst-3250	242	3	efficient	efficient	ADJ
ajst-3250	242	4	gas	gas	NOUN
ajst-3250	242	5	-	-	PUNCT
ajst-3250	242	6	lift	lift	NOUN
ajst-3250	242	7	mpd	mpd	NOUN
ajst-3250	242	8	based	base	VERB
ajst-3250	242	9	on	on	ADP
ajst-3250	242	10	dual	dual	ADJ
ajst-3250	242	11	-	-	PUNCT
ajst-3250	242	12	channel	channel	NOUN
ajst-3250	242	13	drillpipe	drillpipe	NOUN
ajst-3250	242	14	.	.	PUNCT
ajst-3250	242	15	"	"	PUNCT
ajst-3250	243	1	paper	paper	NOUN
ajst-3250	243	2	presented	present	VERB
ajst-3250	243	3	at	at	ADP
ajst-3250	243	4	the	the	DET
ajst-3250	243	5	iadc	iadc	NOUN
ajst-3250	243	6	/	/	SYM
ajst-3250	243	7	spe	spe	PROPN
ajst-3250	243	8	asia	asia	PROPN
ajst-3250	243	9	pacific	pacific	PROPN
ajst-3250	243	10	drilling	drilling	PROPN
ajst-3250	243	11	technology	technology	NOUN
ajst-3250	243	12	conference	conference	NOUN
ajst-3250	243	13	and	and	CCONJ
ajst-3250	243	14	exhibition	exhibition	NOUN
ajst-3250	243	15	,	,	PUNCT
ajst-3250	243	16	bangkok	bangkok	PROPN
ajst-3250	243	17	,	,	PUNCT
ajst-3250	243	18	thailand	thailand	PROPN
ajst-3250	243	19	,	,	PUNCT
ajst-3250	243	20	august	august	PROPN
ajst-3250	243	21	2018	2018	NUM
ajst-3250	243	22	.	.	PUNCT
ajst-3250	244	1	doi	doi	NOUN
ajst-3250	244	2	:	:	PUNCT
ajst-3250	244	3	https://doi.org/10.2118/191047-ms	https://doi.org/10.2118/191047-ms	ADJ
ajst-3250	244	4	.	.	PUNCT
ajst-3250	245	1	48	48	NUM
ajst-3250	246	1	[	[	SYM
ajst-3250	246	2	14	14	NUM
ajst-3250	246	3	]	]	X
ajst-3250	246	4	numerical	numerical	PROPN
ajst-3250	246	5	simulation	simulation	NOUN
ajst-3250	246	6	of	of	ADP
ajst-3250	246	7	pressure	pressure	NOUN
ajst-3250	246	8	loss	loss	NOUN
ajst-3250	246	9	in	in	ADP
ajst-3250	246	10	bridge	bridge	NOUN
ajst-3250	246	11	subjoint	subjoint	NOUN
ajst-3250	246	12	of	of	ADP
ajst-3250	246	13	stratified	stratified	ADJ
ajst-3250	246	14	water	water	NOUN
ajst-3250	246	15	injection	injection	NOUN
ajst-3250	246	16	tool	tool	NOUN
ajst-3250	246	17	based	base	VERB
ajst-3250	246	18	on	on	ADP
ajst-3250	246	19	fluent	fluent	ADJ
ajst-3250	247	1	[	[	X
ajst-3250	247	2	j	j	X
ajst-3250	247	3	]	]	X
ajst-3250	247	4	.	.	PUNCT
ajst-3250	248	1	journal	journal	PROPN
ajst-3250	248	2	of	of	ADP
ajst-3250	248	3	petrochemical	petrochemical	NOUN
ajst-3250	248	4	universities	university	NOUN
ajst-3250	248	5	,	,	PUNCT
ajst-3250	248	6	201,34(06):64	201,34(06):64	NUM
ajst-3250	248	7	-	-	SYM
ajst-3250	248	8	69	69	NUM
ajst-3250	248	9	.	.	PUNCT
ajst-3250	249	1	[	[	X
ajst-3250	249	2	15	15	NUM
ajst-3250	249	3	]	]	X
ajst-3250	249	4	huang	huang	PROPN
ajst-3250	249	5	zhongwei	zhongwei	PROPN
ajst-3250	249	6	,	,	PUNCT
ajst-3250	249	7	li	li	PROPN
ajst-3250	249	8	gensheng	gensheng	PROPN
ajst-3250	249	9	,	,	PUNCT
ajst-3250	249	10	huang	huang	PROPN
ajst-3250	249	11	zhao	zhao	PROPN
ajst-3250	249	12	.	.	PUNCT
ajst-3250	250	1	experimental	experimental	ADJ
ajst-3250	250	2	study	study	NOUN
ajst-3250	250	3	on	on	ADP
ajst-3250	250	4	annular	annular	ADJ
ajst-3250	250	5	pressure	pressure	NOUN
ajst-3250	250	6	loss	loss	NOUN
ajst-3250	250	7	of	of	ADP
ajst-3250	250	8	oil	oil	NOUN
ajst-3250	250	9	jacket	jacket	NOUN
ajst-3250	251	1	[	[	X
ajst-3250	251	2	j	j	X
ajst-3250	251	3	]	]	X
ajst-3250	251	4	.	.	PUNCT
ajst-3250	252	1	journal	journal	PROPN
ajst-3250	252	2	of	of	ADP
ajst-3250	252	3	china	china	PROPN
ajst-3250	252	4	university	university	PROPN
ajst-3250	252	5	of	of	ADP
ajst-3250	252	6	petroleum	petroleum	NOUN
ajst-3250	252	7	(	(	PUNCT
ajst-3250	252	8	edition	edition	NOUN
ajst-3250	252	9	of	of	ADP
ajst-3250	252	10	natural	natural	ADJ
ajst-3250	252	11	science	science	NOUN
ajst-3250	252	12	)	)	PUNCT
ajst-3250	252	13	,	,	PUNCT
ajst-3250	252	14	2015	2015	NUM
ajst-3250	252	15	,	,	PUNCT
ajst-3250	252	16	39(01):79	39(01):79	NOUN
ajst-3250	252	17	-	-	SYM
ajst-3250	252	18	82	82	NUM
ajst-3250	252	19	.	.	PUNCT
ajst-3250	253	1	[	[	X
ajst-3250	253	2	16	16	NUM
ajst-3250	253	3	]	]	X
ajst-3250	253	4	xu	xu	PROPN
ajst-3250	253	5	zhilun	zhilun	PROPN
ajst-3250	253	6	.	.	PUNCT
ajst-3250	254	1	xu	xu	PROPN
ajst-3250	255	1	zhilun.elastic	zhilun.elastic	PROPN
ajst-3250	255	2	mechanics[m].beijing	mechanics[m].beijing	NOUN
ajst-3250	255	3	:	:	PUNCT
ajst-3250	255	4	higher	high	ADJ
ajst-3250	255	5	education	education	NOUN
ajst-3250	255	6	press	press	NOUN
ajst-3250	255	7	,	,	PUNCT
ajst-3250	255	8	2006(in	2006(in	NUM
ajst-3250	255	9	chinese	chinese	NOUN
ajst-3250	255	10	)	)	PUNCT
ajst-3250	255	11	)	)	PUNCT
ajst-3250	255	12	.	.	PUNCT
ajst-3250	256	1	(	(	PUNCT
ajst-3250	256	2	xu	xu	INTJ
ajst-3250	256	3	zhilun.elastic	zhilun.elastic	PROPN
ajst-3250	256	4	mechanics[m].beijing	mechanics[m].beijing	NOUN
ajst-3250	256	5	:	:	PUNCT
ajst-3250	256	6	higher	high	ADJ
ajst-3250	256	7	education	education	NOUN
ajst-3250	256	8	press	press	NOUN
ajst-3250	256	9	,	,	PUNCT
ajst-3250	256	10	2006(in	2006(in	NUM
ajst-3250	256	11	chinese	chinese	NOUN
ajst-3250	256	12	)	)	PUNCT
ajst-3250	256	13	)	)	PUNCT
ajst-3250	256	14	.	.	PUNCT
ajst-3250	257	1	[	[	X
ajst-3250	257	2	17	17	NUM
ajst-3250	257	3	]	]	X
ajst-3250	257	4	tang	tang	PROPN
ajst-3250	257	5	bin	bin	PROPN
ajst-3250	257	6	,	,	PUNCT
ajst-3250	257	7	xue	xue	PROPN
ajst-3250	257	8	pu	pu	PROPN
ajst-3250	257	9	,	,	PUNCT
ajst-3250	257	10	wang	wang	PROPN
ajst-3250	257	11	hua	hua	PROPN
ajst-3250	257	12	.	.	PROPN
ajst-3250	258	1	finite	finite	PROPN
ajst-3250	258	2	element	element	NOUN
ajst-3250	258	3	analysis	analysis	NOUN
ajst-3250	258	4	of	of	ADP
ajst-3250	258	5	che	che	NOUN
ajst-3250	258	6	's	's	PART
ajst-3250	258	7	seal	seal	NOUN
ajst-3250	258	8	in	in	ADP
ajst-3250	258	9	underwater	underwater	ADJ
ajst-3250	258	10	motor	motor	NOUN
ajst-3250	258	11	seal	seal	NOUN
ajst-3250	258	12	[	[	X
ajst-3250	258	13	j	j	X
ajst-3250	258	14	]	]	X
ajst-3250	258	15	.	.	PUNCT
ajst-3250	259	1	mechanical	mechanical	ADJ
ajst-3250	259	2	research	research	NOUN
ajst-3250	259	3	and	and	CCONJ
ajst-3250	259	4	application,2012,25(02):76	application,2012,25(02):76	NOUN
ajst-3250	259	5	-	-	PUNCT
ajst-3250	259	6	77	77	NUM
ajst-3250	259	7	+	+	NOUN
ajst-3250	259	8	80	80	NUM
ajst-3250	259	9	.	.	PUNCT
ajst-3250	260	1	[	[	X
ajst-3250	260	2	18	18	NUM
ajst-3250	260	3	]	]	X
ajst-3250	260	4	lu	lu	PROPN
ajst-3250	260	5	shaofeng	shaofeng	NOUN
ajst-3250	260	6	,	,	PUNCT
ajst-3250	260	7	liu	liu	PROPN
ajst-3250	260	8	tingjiao	tingjiao	PROPN
ajst-3250	260	9	.	.	PROPN
ajst-3250	260	10	type	type	NOUN
ajst-3250	260	11	o	o	PROPN
ajst-3250	260	12	and	and	CCONJ
ajst-3250	260	13	y	y	PROPN
ajst-3250	260	14	type	type	NOUN
ajst-3250	260	15	sealing	seal	VERB
ajst-3250	260	16	ring	ring	NOUN
ajst-3250	260	17	precompression	precompression	NOUN
ajst-3250	260	18	sealing	seal	VERB
ajst-3250	260	19	performance	performance	NOUN
ajst-3250	260	20	analysis	analysis	NOUN
ajst-3250	260	21	[	[	X
ajst-3250	260	22	j	j	X
ajst-3250	260	23	]	]	X
ajst-3250	260	24	.	.	PUNCT
ajst-3250	261	1	chinese	chinese	ADJ
ajst-3250	261	2	journal	journal	PROPN
ajst-3250	261	3	of	of	ADP
ajst-3250	261	4	construction	construction	NOUN
ajst-3250	261	5	machinery	machinery	NOUN
ajst-3250	261	6	,	,	PUNCT
ajst-3250	261	7	2019	2019	NUM
ajst-3250	261	8	(	(	PUNCT
ajst-3250	261	9	5	5	NUM
ajst-3250	261	10	)	)	PUNCT
ajst-3250	261	11	:	:	PUNCT
ajst-3250	261	12	466	466	NUM
ajst-3250	261	13	-	-	SYM
ajst-3250	261	14	470	470	NUM
ajst-3250	261	15	.	.	PUNCT
ajst-3250	262	1	the	the	DET
ajst-3250	262	2	doi	doi	NOUN
ajst-3250	262	3	:	:	PUNCT
ajst-3250	262	4	10.15999	10.15999	NUM
ajst-3250	262	5	/	/	SYM
ajst-3250	262	6	j.carol	j.carol	PROPN
ajst-3250	262	7	carroll	carroll	PROPN
ajst-3250	262	8	nki	nki	PROPN
ajst-3250	262	9	311926.2019.05.018	311926.2019.05.018	PROPN
ajst-3250	262	10	.	.	PUNCT
ajst-3250	263	1	[	[	X
ajst-3250	263	2	19	19	NUM
ajst-3250	263	3	]	]	PUNCT
ajst-3250	263	4	comparative	comparative	ADJ
ajst-3250	263	5	analysis	analysis	NOUN
ajst-3250	263	6	of	of	ADP
ajst-3250	263	7	mechanical	mechanical	ADJ
ajst-3250	263	8	properties	property	NOUN
ajst-3250	263	9	of	of	ADP
ajst-3250	263	10	o	o	NOUN
ajst-3250	263	11	-	-	VERB
ajst-3250	263	12	shaped	shaped	ADJ
ajst-3250	263	13	and	and	CCONJ
ajst-3250	263	14	c	c	NOUN
ajst-3250	263	15	-	-	PUNCT
ajst-3250	263	16	shaped	shape	VERB
ajst-3250	263	17	composite	composite	ADJ
ajst-3250	263	18	seals	seal	NOUN
ajst-3250	263	19	[	[	X
ajst-3250	263	20	j	j	X
ajst-3250	263	21	]	]	X
ajst-3250	263	22	.	.	PUNCT
ajst-3250	264	1	chinese	chinese	ADJ
ajst-3250	264	2	journal	journal	PROPN
ajst-3250	264	3	of	of	ADP
ajst-3250	264	4	applied	apply	VERB
ajst-3250	264	5	mechanics	mechanic	NOUN
ajst-3250	264	6	,	,	PUNCT
ajst-3250	264	7	201,38(01):306	201,38(01):306	NUM
ajst-3250	264	8	-	-	SYM
ajst-3250	264	9	312	312	NUM
ajst-3250	264	10	.	.	PUNCT