id	sid	tid	token	lemma	pos
ajst-4904	1	1	academic	academic	ADJ
ajst-4904	1	2	journal	journal	NOUN
ajst-4904	1	3	of	of	ADP
ajst-4904	1	4	science	science	NOUN
ajst-4904	1	5	and	and	CCONJ
ajst-4904	1	6	technology	technology	NOUN
ajst-4904	1	7	issn	issn	NOUN
ajst-4904	1	8	:	:	PUNCT
ajst-4904	1	9	2771	2771	NUM
ajst-4904	1	10	-	-	SYM
ajst-4904	1	11	3032	3032	NUM
ajst-4904	1	12	|	|	NOUN
ajst-4904	1	13	vol	vol	NOUN
ajst-4904	1	14	.	.	PROPN
ajst-4904	2	1	4	4	NUM
ajst-4904	2	2	,	,	PUNCT
ajst-4904	2	3	no	no	INTJ
ajst-4904	2	4	.	.	NOUN
ajst-4904	2	5	3	3	NUM
ajst-4904	2	6	,	,	PUNCT
ajst-4904	3	1	2022	2022	NUM
ajst-4904	3	2	97	97	NUM
ajst-4904	3	3	design	design	NOUN
ajst-4904	3	4	and	and	CCONJ
ajst-4904	3	5	reliability	reliability	NOUN
ajst-4904	3	6	analysis	analysis	NOUN
ajst-4904	3	7	of	of	ADP
ajst-4904	3	8	integrated	integrated	ADJ
ajst-4904	3	9	bop	bop	NOUN
ajst-4904	3	10	zixuan	zixuan	PROPN
ajst-4904	3	11	chen	chen	PROPN
ajst-4904	3	12	,	,	PUNCT
ajst-4904	3	13	bin	bin	PROPN
ajst-4904	3	14	li	li	PROPN
ajst-4904	3	15	*	*	PROPN
ajst-4904	3	16	school	school	NOUN
ajst-4904	3	17	of	of	ADP
ajst-4904	3	18	mechanical	mechanical	ADJ
ajst-4904	3	19	and	and	CCONJ
ajst-4904	3	20	electrical	electrical	ADJ
ajst-4904	3	21	engineering	engineering	NOUN
ajst-4904	3	22	,	,	PUNCT
ajst-4904	3	23	southwest	southwest	ADJ
ajst-4904	3	24	petroleum	petroleum	PROPN
ajst-4904	3	25	university	university	PROPN
ajst-4904	3	26	,	,	PUNCT
ajst-4904	3	27	chengdu	chengdu	PROPN
ajst-4904	3	28	610500	610500	NUM
ajst-4904	3	29	,	,	PUNCT
ajst-4904	3	30	china	china	PROPN
ajst-4904	3	31	corresponding	corresponding	PROPN
ajst-4904	3	32	author	author	NOUN
ajst-4904	3	33	:	:	PUNCT
ajst-4904	3	34	bin	bin	PROPN
ajst-4904	3	35	li	li	PROPN
ajst-4904	3	36	abstract	abstract	PROPN
ajst-4904	3	37	:	:	PUNCT
ajst-4904	3	38	this	this	DET
ajst-4904	3	39	article	article	NOUN
ajst-4904	3	40	in	in	ADP
ajst-4904	3	41	view	view	NOUN
ajst-4904	3	42	of	of	ADP
ajst-4904	3	43	existing	exist	VERB
ajst-4904	3	44	bop	bop	NOUN
ajst-4904	3	45	seal	seal	NOUN
ajst-4904	3	46	leakage	leakage	NOUN
ajst-4904	3	47	point	point	NOUN
ajst-4904	3	48	,	,	PUNCT
ajst-4904	3	49	low	low	ADJ
ajst-4904	3	50	service	service	NOUN
ajst-4904	3	51	life	life	NOUN
ajst-4904	3	52	,	,	PUNCT
ajst-4904	3	53	large	large	ADJ
ajst-4904	3	54	volume	volume	NOUN
ajst-4904	3	55	,	,	PUNCT
ajst-4904	3	56	high	high	ADJ
ajst-4904	3	57	weight	weight	NOUN
ajst-4904	3	58	,	,	PUNCT
ajst-4904	3	59	height	height	NOUN
ajst-4904	3	60	and	and	CCONJ
ajst-4904	3	61	installation	installation	NOUN
ajst-4904	3	62	of	of	ADP
ajst-4904	3	63	time	time	NOUN
ajst-4904	3	64	-	-	PUNCT
ajst-4904	3	65	consuming	consume	VERB
ajst-4904	3	66	to	to	ADP
ajst-4904	3	67	faults	fault	NOUN
ajst-4904	3	68	,	,	PUNCT
ajst-4904	3	69	the	the	DET
ajst-4904	3	70	annular	annular	ADJ
ajst-4904	3	71	bop	bop	NOUN
ajst-4904	3	72	and	and	CCONJ
ajst-4904	3	73	ram	ram	NOUN
ajst-4904	3	74	preventer	preventer	NOUN
ajst-4904	3	75	,	,	PUNCT
ajst-4904	3	76	one	one	NUM
ajst-4904	3	77	-	-	PUNCT
ajst-4904	3	78	piece	piece	NOUN
ajst-4904	3	79	bop	bop	NOUN
ajst-4904	3	80	design	design	NOUN
ajst-4904	3	81	scheme	scheme	NOUN
ajst-4904	3	82	is	be	AUX
ajst-4904	3	83	put	put	VERB
ajst-4904	3	84	forward	forward	ADV
ajst-4904	3	85	,	,	PUNCT
ajst-4904	3	86	and	and	CCONJ
ajst-4904	3	87	seal	seal	VERB
ajst-4904	3	88	the	the	DET
ajst-4904	3	89	mouth	mouth	NOUN
ajst-4904	3	90	of	of	ADP
ajst-4904	3	91	the	the	DET
ajst-4904	3	92	well	well	NOUN
ajst-4904	3	93	on	on	ADP
ajst-4904	3	94	the	the	DET
ajst-4904	3	95	whole	whole	NOUN
ajst-4904	3	96	,	,	PUNCT
ajst-4904	3	97	21	21	NUM
ajst-4904	3	98	mpa	mpa	NOUN
ajst-4904	3	99	pressure	pressure	NOUN
ajst-4904	3	100	blowout	blowout	NOUN
ajst-4904	3	101	limit	limit	NOUN
ajst-4904	3	102	design	design	NOUN
ajst-4904	3	103	conditions	condition	NOUN
ajst-4904	3	104	for	for	ADP
ajst-4904	3	105	structural	structural	ADJ
ajst-4904	3	106	reliability	reliability	NOUN
ajst-4904	3	107	analysis	analysis	NOUN
ajst-4904	3	108	of	of	ADP
ajst-4904	3	109	one	one	NUM
ajst-4904	3	110	-	-	PUNCT
ajst-4904	3	111	piece	piece	NOUN
ajst-4904	3	112	bop.the	bop.the	DET
ajst-4904	3	113	analysis	analysis	NOUN
ajst-4904	3	114	results	result	NOUN
ajst-4904	3	115	show	show	VERB
ajst-4904	3	116	that	that	SCONJ
ajst-4904	3	117	because	because	SCONJ
ajst-4904	3	118	the	the	DET
ajst-4904	3	119	integrated	integrate	VERB
ajst-4904	3	120	bop	bop	NOUN
ajst-4904	3	121	uses	use	VERB
ajst-4904	3	122	the	the	DET
ajst-4904	3	123	integrated	integrate	VERB
ajst-4904	3	124	shell	shell	NOUN
ajst-4904	3	125	,	,	PUNCT
ajst-4904	3	126	does	do	AUX
ajst-4904	3	127	not	not	PART
ajst-4904	3	128	need	need	VERB
ajst-4904	3	129	to	to	PART
ajst-4904	3	130	use	use	VERB
ajst-4904	3	131	the	the	DET
ajst-4904	3	132	flange	flange	NOUN
ajst-4904	3	133	connection	connection	NOUN
ajst-4904	3	134	,	,	PUNCT
ajst-4904	3	135	less	less	ADJ
ajst-4904	3	136	leakage	leakage	NOUN
ajst-4904	3	137	points	point	NOUN
ajst-4904	3	138	,	,	PUNCT
ajst-4904	3	139	can	can	AUX
ajst-4904	3	140	greatly	greatly	ADV
ajst-4904	3	141	improve	improve	VERB
ajst-4904	3	142	the	the	DET
ajst-4904	3	143	traditional	traditional	ADJ
ajst-4904	3	144	bop	bop	INTJ
ajst-4904	3	145	short	short	ADJ
ajst-4904	3	146	life	life	NOUN
ajst-4904	3	147	,	,	PUNCT
ajst-4904	3	148	easy	easy	ADJ
ajst-4904	3	149	to	to	PART
ajst-4904	3	150	leak	leak	VERB
ajst-4904	3	151	and	and	CCONJ
ajst-4904	3	152	other	other	ADJ
ajst-4904	3	153	shortcomings	shortcoming	NOUN
ajst-4904	3	154	,	,	PUNCT
ajst-4904	3	155	and	and	CCONJ
ajst-4904	3	156	the	the	DET
ajst-4904	3	157	maximum	maximum	ADJ
ajst-4904	3	158	stress	stress	NOUN
ajst-4904	3	159	and	and	CCONJ
ajst-4904	3	160	maximum	maximum	ADJ
ajst-4904	3	161	deformation	deformation	NOUN
ajst-4904	3	162	displacement	displacement	NOUN
ajst-4904	3	163	meet	meet	VERB
ajst-4904	3	164	the	the	DET
ajst-4904	3	165	design	design	NOUN
ajst-4904	3	166	requirements	requirement	NOUN
ajst-4904	3	167	.	.	PUNCT
ajst-4904	4	1	keywords	keyword	NOUN
ajst-4904	4	2	:	:	PUNCT
ajst-4904	4	3	annular	annular	ADJ
ajst-4904	4	4	bop	bop	NOUN
ajst-4904	4	5	,	,	PUNCT
ajst-4904	4	6	ram	ram	NOUN
ajst-4904	4	7	bop	bop	NOUN
ajst-4904	4	8	,	,	PUNCT
ajst-4904	4	9	reliability	reliability	NOUN
ajst-4904	4	10	analysis	analysis	NOUN
ajst-4904	4	11	.	.	PUNCT
ajst-4904	5	1	1	1	X
ajst-4904	5	2	.	.	X
ajst-4904	5	3	introduction	introduction	NOUN
ajst-4904	5	4	in	in	ADP
ajst-4904	5	5	the	the	DET
ajst-4904	5	6	process	process	NOUN
ajst-4904	5	7	of	of	ADP
ajst-4904	5	8	exploitation	exploitation	NOUN
ajst-4904	5	9	of	of	ADP
ajst-4904	5	10	oil	oil	NOUN
ajst-4904	5	11	and	and	CCONJ
ajst-4904	5	12	natural	natural	ADJ
ajst-4904	5	13	gas	gas	NOUN
ajst-4904	5	14	,	,	PUNCT
ajst-4904	5	15	since	since	SCONJ
ajst-4904	5	16	most	most	ADJ
ajst-4904	5	17	of	of	ADP
ajst-4904	5	18	the	the	DET
ajst-4904	5	19	oil	oil	NOUN
ajst-4904	5	20	wells	well	NOUN
ajst-4904	5	21	proved	prove	VERB
ajst-4904	5	22	in	in	ADP
ajst-4904	5	23	our	our	PRON
ajst-4904	5	24	country	country	NOUN
ajst-4904	5	25	are	be	AUX
ajst-4904	5	26	deep	deep	ADJ
ajst-4904	5	27	and	and	CCONJ
ajst-4904	5	28	ultradeep	ultradeep	ADJ
ajst-4904	5	29	wells	well	NOUN
ajst-4904	5	30	,	,	PUNCT
ajst-4904	5	31	the	the	DET
ajst-4904	5	32	well	well	ADJ
ajst-4904	5	33	pressure	pressure	NOUN
ajst-4904	5	34	of	of	ADP
ajst-4904	5	35	this	this	DET
ajst-4904	5	36	kind	kind	NOUN
ajst-4904	5	37	of	of	ADP
ajst-4904	5	38	oil	oil	NOUN
ajst-4904	5	39	well	well	ADV
ajst-4904	5	40	is	be	AUX
ajst-4904	5	41	much	much	ADV
ajst-4904	5	42	higher	high	ADJ
ajst-4904	5	43	than	than	ADP
ajst-4904	5	44	that	that	PRON
ajst-4904	5	45	of	of	ADP
ajst-4904	5	46	the	the	DET
ajst-4904	5	47	conventional	conventional	ADJ
ajst-4904	5	48	deep	deep	ADJ
ajst-4904	5	49	oil	oil	NOUN
ajst-4904	5	50	well	well	ADV
ajst-4904	5	51	.	.	PUNCT
ajst-4904	6	1	this	this	PRON
ajst-4904	6	2	puts	put	VERB
ajst-4904	6	3	forward	forward	ADV
ajst-4904	6	4	higher	high	ADJ
ajst-4904	6	5	requirements	requirement	NOUN
ajst-4904	6	6	for	for	ADP
ajst-4904	6	7	well	well	ADJ
ajst-4904	6	8	control	control	NOUN
ajst-4904	6	9	technology	technology	NOUN
ajst-4904	6	10	and	and	CCONJ
ajst-4904	6	11	well	well	ADV
ajst-4904	6	12	control	control	NOUN
ajst-4904	6	13	equipment	equipment	NOUN
ajst-4904	6	14	.	.	PUNCT
ajst-4904	7	1	the	the	DET
ajst-4904	7	2	bop	bop	NOUN
ajst-4904	7	3	serves	serve	VERB
ajst-4904	7	4	as	as	ADP
ajst-4904	7	5	the	the	DET
ajst-4904	7	6	core	core	NOUN
ajst-4904	7	7	well	well	ADJ
ajst-4904	7	8	control	control	NOUN
ajst-4904	7	9	device	device	NOUN
ajst-4904	7	10	.	.	PUNCT
ajst-4904	8	1	during	during	ADP
ajst-4904	8	2	drilling	drilling	NOUN
ajst-4904	8	3	operations	operation	NOUN
ajst-4904	8	4	,	,	PUNCT
ajst-4904	8	5	the	the	DET
ajst-4904	8	6	well	well	NOUN
ajst-4904	8	7	can	can	AUX
ajst-4904	8	8	be	be	AUX
ajst-4904	8	9	quickly	quickly	ADV
ajst-4904	8	10	shut	shut	VERB
ajst-4904	8	11	in	in	ADP
ajst-4904	8	12	in	in	ADP
ajst-4904	8	13	case	case	NOUN
ajst-4904	8	14	of	of	ADP
ajst-4904	8	15	emergency	emergency	NOUN
ajst-4904	8	16	such	such	ADJ
ajst-4904	8	17	as	as	ADP
ajst-4904	8	18	overflow	overflow	NOUN
ajst-4904	8	19	,	,	PUNCT
ajst-4904	8	20	kick	kick	NOUN
ajst-4904	8	21	or	or	CCONJ
ajst-4904	8	22	blowout	blowout	NOUN
ajst-4904	8	23	.	.	PUNCT
ajst-4904	9	1	if	if	SCONJ
ajst-4904	9	2	the	the	DET
ajst-4904	9	3	bop	bop	NOUN
ajst-4904	9	4	fails	fail	VERB
ajst-4904	9	5	,	,	PUNCT
ajst-4904	9	6	it	it	PRON
ajst-4904	9	7	will	will	AUX
ajst-4904	9	8	lead	lead	VERB
ajst-4904	9	9	to	to	ADP
ajst-4904	9	10	blowout	blowout	NOUN
ajst-4904	9	11	and	and	CCONJ
ajst-4904	9	12	other	other	ADJ
ajst-4904	9	13	malignant	malignant	ADJ
ajst-4904	9	14	accidents	accident	NOUN
ajst-4904	9	15	.	.	PUNCT
ajst-4904	10	1	according	accord	VERB
ajst-4904	10	2	to	to	ADP
ajst-4904	10	3	the	the	DET
ajst-4904	10	4	principle	principle	NOUN
ajst-4904	10	5	of	of	ADP
ajst-4904	10	6	the	the	DET
ajst-4904	10	7	capping	cap	VERB
ajst-4904	10	8	element	element	NOUN
ajst-4904	10	9	of	of	ADP
ajst-4904	10	10	the	the	DET
ajst-4904	10	11	bop	bop	NOUN
ajst-4904	10	12	,	,	PUNCT
ajst-4904	10	13	the	the	DET
ajst-4904	10	14	bop	bop	NOUN
ajst-4904	10	15	can	can	AUX
ajst-4904	10	16	be	be	AUX
ajst-4904	10	17	divided	divide	VERB
ajst-4904	10	18	into	into	ADP
ajst-4904	10	19	ram	ram	NOUN
ajst-4904	10	20	preventer	preventer	NOUN
ajst-4904	10	21	,	,	PUNCT
ajst-4904	10	22	ring	ring	NOUN
ajst-4904	10	23	preventer	preventer	NOUN
ajst-4904	10	24	and	and	CCONJ
ajst-4904	10	25	rotary	rotary	NOUN
ajst-4904	10	26	preventer	preventer	NOUN
ajst-4904	10	27	.	.	PUNCT
ajst-4904	11	1	the	the	DET
ajst-4904	11	2	ram	ram	NOUN
ajst-4904	11	3	preventer	preventer	NOUN
ajst-4904	11	4	provides	provide	VERB
ajst-4904	11	5	good	good	ADJ
ajst-4904	11	6	well	well	ADV
ajst-4904	11	7	sealing	sealing	NOUN
ajst-4904	11	8	and	and	CCONJ
ajst-4904	11	9	corrosion	corrosion	NOUN
ajst-4904	11	10	resistance	resistance	NOUN
ajst-4904	11	11	under	under	ADP
ajst-4904	11	12	high	high	ADJ
ajst-4904	11	13	load	load	NOUN
ajst-4904	11	14	conditions	condition	NOUN
ajst-4904	11	15	,	,	PUNCT
ajst-4904	11	16	but	but	CCONJ
ajst-4904	11	17	it	it	PRON
ajst-4904	11	18	seals	seal	VERB
ajst-4904	11	19	too	too	ADV
ajst-4904	11	20	many	many	ADJ
ajst-4904	11	21	leaks	leak	NOUN
ajst-4904	11	22	and	and	CCONJ
ajst-4904	11	23	fails	fail	VERB
ajst-4904	11	24	to	to	PART
ajst-4904	11	25	seal	seal	VERB
ajst-4904	11	26	the	the	DET
ajst-4904	11	27	well	well	NOUN
ajst-4904	11	28	when	when	SCONJ
ajst-4904	11	29	a	a	DET
ajst-4904	11	30	blowout	blowout	NOUN
ajst-4904	11	31	has	have	AUX
ajst-4904	11	32	occurred	occur	VERB
ajst-4904	11	33	.	.	PUNCT
ajst-4904	12	1	the	the	DET
ajst-4904	12	2	annular	annular	ADJ
ajst-4904	12	3	preventer	preventer	NOUN
ajst-4904	12	4	is	be	AUX
ajst-4904	12	5	designed	design	VERB
ajst-4904	12	6	to	to	PART
ajst-4904	12	7	fully	fully	ADV
ajst-4904	12	8	seal	seal	VERB
ajst-4904	12	9	the	the	DET
ajst-4904	12	10	well	well	NOUN
ajst-4904	12	11	in	in	ADP
ajst-4904	12	12	the	the	DET
ajst-4904	12	13	event	event	NOUN
ajst-4904	12	14	of	of	ADP
ajst-4904	12	15	an	an	DET
ajst-4904	12	16	empty	empty	ADJ
ajst-4904	12	17	well	well	NOUN
ajst-4904	12	18	;	;	PUNCT
ajst-4904	12	19	it	it	PRON
ajst-4904	12	20	can	can	AUX
ajst-4904	12	21	seal	seal	VERB
ajst-4904	12	22	the	the	DET
ajst-4904	12	23	annular	annular	ADJ
ajst-4904	12	24	space	space	NOUN
ajst-4904	12	25	between	between	ADP
ajst-4904	12	26	the	the	DET
ajst-4904	12	27	string	string	NOUN
ajst-4904	12	28	and	and	CCONJ
ajst-4904	12	29	the	the	DET
ajst-4904	12	30	wellhead	wellhead	NOUN
ajst-4904	12	31	when	when	SCONJ
ajst-4904	12	32	there	there	PRON
ajst-4904	12	33	is	be	VERB
ajst-4904	12	34	a	a	DET
ajst-4904	12	35	string	string	NOUN
ajst-4904	12	36	in	in	ADP
ajst-4904	12	37	the	the	DET
ajst-4904	12	38	well	well	NOUN
ajst-4904	12	39	,	,	PUNCT
ajst-4904	12	40	but	but	CCONJ
ajst-4904	12	41	it	it	PRON
ajst-4904	12	42	does	do	AUX
ajst-4904	12	43	not	not	PART
ajst-4904	12	44	last	last	VERB
ajst-4904	12	45	long	long	ADV
ajst-4904	12	46	enough	enough	ADV
ajst-4904	12	47	to	to	PART
ajst-4904	12	48	be	be	AUX
ajst-4904	12	49	used	use	VERB
ajst-4904	12	50	in	in	ADP
ajst-4904	12	51	long	long	ADJ
ajst-4904	12	52	-	-	PUNCT
ajst-4904	12	53	term	term	NOUN
ajst-4904	12	54	shut	shut	NOUN
ajst-4904	12	55	-	-	PUNCT
ajst-4904	12	56	in	in	ADP
ajst-4904	12	57	conditions	condition	NOUN
ajst-4904	12	58	.	.	PUNCT
ajst-4904	13	1	rotary	rotary	NOUN
ajst-4904	13	2	bop	bop	NOUN
ajst-4904	13	3	are	be	AUX
ajst-4904	13	4	primarily	primarily	ADV
ajst-4904	13	5	used	use	VERB
ajst-4904	13	6	in	in	ADP
ajst-4904	13	7	underbalanced	underbalanced	ADJ
ajst-4904	13	8	drilling	drilling	NOUN
ajst-4904	13	9	to	to	PART
ajst-4904	13	10	deliver	deliver	VERB
ajst-4904	13	11	torque	torque	NOUN
ajst-4904	13	12	while	while	SCONJ
ajst-4904	13	13	capping	cap	VERB
ajst-4904	13	14	the	the	DET
ajst-4904	13	15	well	well	NOUN
ajst-4904	13	16	.	.	PUNCT
ajst-4904	14	1	in	in	ADP
ajst-4904	14	2	1992,hydril	1992,hydril	NUM
ajst-4904	14	3	designed	design	VERB
ajst-4904	14	4	and	and	CCONJ
ajst-4904	14	5	manufactured	manufacture	VERB
ajst-4904	14	6	a	a	DET
ajst-4904	14	7	new	new	ADJ
ajst-4904	14	8	generation	generation	NOUN
ajst-4904	14	9	of	of	ADP
ajst-4904	14	10	bop	bop	NOUN
ajst-4904	14	11	for	for	ADP
ajst-4904	14	12	saga	saga	NOUN
ajst-4904	14	13	's	's	PART
ajst-4904	14	14	snore	snore	NOUN
ajst-4904	14	15	field	field	NOUN
ajst-4904	14	16	in	in	ADP
ajst-4904	14	17	norway	norway	PROPN
ajst-4904	15	1	[	[	X
ajst-4904	15	2	1	1	NUM
ajst-4904	15	3	]	]	PUNCT
ajst-4904	15	4	,	,	PUNCT
ajst-4904	15	5	with	with	ADP
ajst-4904	15	6	the	the	DET
ajst-4904	15	7	topmost	topmost	ADJ
ajst-4904	15	8	ram	ram	NOUN
ajst-4904	15	9	of	of	ADP
ajst-4904	15	10	shear	shear	NOUN
ajst-4904	15	11	ram	ram	NOUN
ajst-4904	15	12	,	,	PUNCT
ajst-4904	15	13	capable	capable	ADJ
ajst-4904	15	14	of	of	ADP
ajst-4904	15	15	shearing	shearing	NOUN
ajst-4904	15	16	drill	drill	NOUN
ajst-4904	15	17	pipe	pipe	NOUN
ajst-4904	15	18	,	,	PUNCT
ajst-4904	15	19	equipped	equip	VERB
ajst-4904	15	20	with	with	ADP
ajst-4904	15	21	over	over	ADP
ajst-4904	15	22	-	-	PUNCT
ajst-4904	15	23	sized	sized	ADJ
ajst-4904	15	24	control	control	NOUN
ajst-4904	15	25	cylinders	cylinder	NOUN
ajst-4904	15	26	,	,	PUNCT
ajst-4904	15	27	allowing	allow	VERB
ajst-4904	15	28	rapid	rapid	ADJ
ajst-4904	15	29	shearing	shearing	NOUN
ajst-4904	15	30	of	of	ADP
ajst-4904	15	31	thick	thick	ADJ
ajst-4904	15	32	wall	wall	NOUN
ajst-4904	15	33	and	and	CCONJ
ajst-4904	15	34	large	large	ADJ
ajst-4904	15	35	diameter	diameter	NOUN
ajst-4904	15	36	tubing	tubing	NOUN
ajst-4904	15	37	.	.	PUNCT
ajst-4904	16	1	in	in	ADP
ajst-4904	16	2	2001	2001	NUM
ajst-4904	16	3	,	,	PUNCT
ajst-4904	16	4	s.	s.	PROPN
ajst-4904	16	5	angesland	angesland	PROPN
ajst-4904	16	6	,	,	PUNCT
ajst-4904	16	7	a.	a.	NOUN
ajst-4904	16	8	ivertsen	ivertsen	PROPN
ajst-4904	16	9	et	et	PROPN
ajst-4904	16	10	al	al	PROPN
ajst-4904	16	11	designed	design	VERB
ajst-4904	16	12	an	an	DET
ajst-4904	16	13	electric	electric	ADJ
ajst-4904	16	14	valve	valve	NOUN
ajst-4904	16	15	spool	spool	NOUN
ajst-4904	16	16	downhole	downhole	NOUN
ajst-4904	16	17	bop	bop	INTJ
ajst-4904	17	1	[	[	X
ajst-4904	17	2	2	2	NUM
ajst-4904	17	3	]	]	PUNCT
ajst-4904	17	4	,	,	PUNCT
ajst-4904	17	5	which	which	PRON
ajst-4904	17	6	achieves	achieve	VERB
ajst-4904	17	7	bottom	bottom	ADJ
ajst-4904	17	8	-	-	PUNCT
ajst-4904	17	9	hole	hole	NOUN
ajst-4904	17	10	blowout	blowout	NOUN
ajst-4904	17	11	prevention	prevention	NOUN
ajst-4904	17	12	by	by	ADP
ajst-4904	17	13	controlling	control	VERB
ajst-4904	17	14	the	the	DET
ajst-4904	17	15	opening	opening	NOUN
ajst-4904	17	16	and	and	CCONJ
ajst-4904	17	17	closing	closing	NOUN
ajst-4904	17	18	of	of	ADP
ajst-4904	17	19	the	the	DET
ajst-4904	17	20	internal	internal	ADJ
ajst-4904	17	21	conduits	conduit	NOUN
ajst-4904	17	22	of	of	ADP
ajst-4904	17	23	the	the	DET
ajst-4904	17	24	drill	drill	NOUN
ajst-4904	17	25	pipe	pipe	NOUN
ajst-4904	17	26	as	as	ADV
ajst-4904	17	27	well	well	ADV
ajst-4904	17	28	as	as	ADP
ajst-4904	17	29	the	the	DET
ajst-4904	17	30	fluid	fluid	ADJ
ajst-4904	17	31	inlet	inlet	NOUN
ajst-4904	17	32	channels	channel	NOUN
ajst-4904	17	33	of	of	ADP
ajst-4904	17	34	the	the	DET
ajst-4904	17	35	rubber	rubber	NOUN
ajst-4904	17	36	cylinder	cylinder	NOUN
ajst-4904	17	37	compression	compression	NOUN
ajst-4904	17	38	chamber	chamber	NOUN
ajst-4904	17	39	through	through	ADP
ajst-4904	17	40	the	the	DET
ajst-4904	17	41	electric	electric	ADJ
ajst-4904	17	42	spool	spool	NOUN
ajst-4904	17	43	.	.	PUNCT
ajst-4904	18	1	in	in	ADP
ajst-4904	18	2	2011	2011	NUM
ajst-4904	18	3	,	,	PUNCT
ajst-4904	18	4	gao	gao	PROPN
ajst-4904	18	5	xinjun	xinjun	PROPN
ajst-4904	18	6	,	,	PUNCT
ajst-4904	18	7	zheng	zheng	PROPN
ajst-4904	18	8	junhui	junhui	PROPN
ajst-4904	18	9	et	et	PROPN
ajst-4904	18	10	al	al	PROPN
ajst-4904	18	11	.	.	PUNCT
ajst-4904	19	1	[	[	X
ajst-4904	19	2	3	3	X
ajst-4904	19	3	]	]	PUNCT
ajst-4904	19	4	designed	design	VERB
ajst-4904	19	5	a	a	DET
ajst-4904	19	6	full	full	ADJ
ajst-4904	19	7	-	-	PUNCT
ajst-4904	19	8	diameter	diameter	NOUN
ajst-4904	19	9	bop	bop	NOUN
ajst-4904	19	10	in	in	ADP
ajst-4904	19	11	the	the	DET
ajst-4904	19	12	drilling	drilling	NOUN
ajst-4904	19	13	tool	tool	NOUN
ajst-4904	19	14	.	.	PUNCT
ajst-4904	20	1	the	the	DET
ajst-4904	20	2	preventer	preventer	NOUN
ajst-4904	20	3	is	be	AUX
ajst-4904	20	4	equipped	equip	VERB
ajst-4904	20	5	with	with	ADP
ajst-4904	20	6	four	four	NUM
ajst-4904	20	7	guiding	guide	VERB
ajst-4904	20	8	centralizing	centralizing	NOUN
ajst-4904	20	9	blocks	block	NOUN
ajst-4904	20	10	in	in	ADP
ajst-4904	20	11	the	the	DET
ajst-4904	20	12	inner	inner	ADJ
ajst-4904	20	13	cavity	cavity	NOUN
ajst-4904	20	14	.	.	PUNCT
ajst-4904	21	1	in	in	ADP
ajst-4904	21	2	2014	2014	NUM
ajst-4904	21	3	,	,	PUNCT
ajst-4904	21	4	dong	dong	PROPN
ajst-4904	21	5	yan	yan	PROPN
ajst-4904	21	6	,	,	PUNCT
ajst-4904	21	7	liu	liu	PROPN
ajst-4904	21	8	jiangtao	jiangtao	PROPN
ajst-4904	21	9	et	et	PROPN
ajst-4904	21	10	al	al	PROPN
ajst-4904	21	11	.	.	PUNCT
ajst-4904	22	1	[	[	X
ajst-4904	22	2	4	4	X
ajst-4904	22	3	]	]	PUNCT
ajst-4904	22	4	designed	design	VERB
ajst-4904	22	5	an	an	DET
ajst-4904	22	6	active	active	ADJ
ajst-4904	22	7	sealed	seal	VERB
ajst-4904	22	8	rotary	rotary	NOUN
ajst-4904	22	9	bop	bop	NOUN
ajst-4904	22	10	.	.	PUNCT
ajst-4904	23	1	when	when	SCONJ
ajst-4904	23	2	sealing	sealing	NOUN
ajst-4904	23	3	is	be	AUX
ajst-4904	23	4	needed	need	VERB
ajst-4904	23	5	,	,	PUNCT
ajst-4904	23	6	the	the	DET
ajst-4904	23	7	hydraulic	hydraulic	ADJ
ajst-4904	23	8	oil	oil	NOUN
ajst-4904	23	9	enters	enter	VERB
ajst-4904	23	10	the	the	DET
ajst-4904	23	11	rubber	rubber	NOUN
ajst-4904	23	12	core	core	NOUN
ajst-4904	23	13	,	,	PUNCT
ajst-4904	23	14	and	and	CCONJ
ajst-4904	23	15	the	the	DET
ajst-4904	23	16	rubber	rubber	NOUN
ajst-4904	23	17	core	core	NOUN
ajst-4904	23	18	closes	close	VERB
ajst-4904	23	19	towards	towards	ADP
ajst-4904	23	20	the	the	DET
ajst-4904	23	21	center	center	NOUN
ajst-4904	23	22	of	of	ADP
ajst-4904	23	23	the	the	DET
ajst-4904	23	24	circle	circle	NOUN
ajst-4904	23	25	under	under	ADP
ajst-4904	23	26	the	the	DET
ajst-4904	23	27	action	action	NOUN
ajst-4904	23	28	of	of	ADP
ajst-4904	23	29	pressure	pressure	NOUN
ajst-4904	23	30	until	until	SCONJ
ajst-4904	23	31	it	it	PRON
ajst-4904	23	32	is	be	AUX
ajst-4904	23	33	tightly	tightly	ADV
ajst-4904	23	34	held	hold	VERB
ajst-4904	23	35	with	with	ADP
ajst-4904	23	36	the	the	DET
ajst-4904	23	37	drill	drill	NOUN
ajst-4904	23	38	tool	tool	NOUN
ajst-4904	23	39	to	to	PART
ajst-4904	23	40	produce	produce	VERB
ajst-4904	23	41	interference	interference	NOUN
ajst-4904	23	42	fit	fit	ADJ
ajst-4904	23	43	,	,	PUNCT
ajst-4904	23	44	forming	form	VERB
ajst-4904	23	45	a	a	DET
ajst-4904	23	46	sealing	sealing	NOUN
ajst-4904	23	47	effect	effect	NOUN
ajst-4904	23	48	.	.	PUNCT
ajst-4904	24	1	in	in	ADP
ajst-4904	24	2	addition	addition	NOUN
ajst-4904	24	3	,	,	PUNCT
ajst-4904	24	4	the	the	DET
ajst-4904	24	5	rubber	rubber	NOUN
ajst-4904	24	6	core	core	NOUN
ajst-4904	24	7	can	can	AUX
ajst-4904	24	8	rotate	rotate	VERB
ajst-4904	24	9	synchronously	synchronously	ADV
ajst-4904	24	10	with	with	ADP
ajst-4904	24	11	the	the	DET
ajst-4904	24	12	assembly	assembly	NOUN
ajst-4904	24	13	along	along	ADP
ajst-4904	24	14	with	with	ADP
ajst-4904	24	15	the	the	DET
ajst-4904	24	16	rotary	rotary	ADJ
ajst-4904	24	17	drill	drill	NOUN
ajst-4904	24	18	tool	tool	NOUN
ajst-4904	24	19	,	,	PUNCT
ajst-4904	24	20	realizing	realize	VERB
ajst-4904	24	21	the	the	DET
ajst-4904	24	22	function	function	NOUN
ajst-4904	24	23	of	of	ADP
ajst-4904	24	24	the	the	DET
ajst-4904	24	25	rotating	rotate	VERB
ajst-4904	24	26	bop.in	bop.in	PROPN
ajst-4904	24	27	2017	2017	NUM
ajst-4904	24	28	,	,	PUNCT
ajst-4904	24	29	zhang	zhang	PROPN
ajst-4904	24	30	leicheng	leicheng	PROPN
ajst-4904	24	31	,	,	PUNCT
ajst-4904	24	32	zhang	zhang	PROPN
ajst-4904	24	33	haiyang	haiyang	PROPN
ajst-4904	24	34	et	et	PROPN
ajst-4904	24	35	al	al	PROPN
ajst-4904	24	36	.	.	PUNCT
ajst-4904	25	1	[	[	X
ajst-4904	25	2	5	5	NUM
ajst-4904	25	3	]	]	PUNCT
ajst-4904	25	4	designed	design	VERB
ajst-4904	25	5	a	a	DET
ajst-4904	25	6	bop	bop	NOUN
ajst-4904	25	7	with	with	ADP
ajst-4904	25	8	pressure	pressure	NOUN
ajst-4904	25	9	relief	relief	NOUN
ajst-4904	25	10	function	function	NOUN
ajst-4904	25	11	.	.	PUNCT
ajst-4904	26	1	based	base	VERB
ajst-4904	26	2	on	on	ADP
ajst-4904	26	3	the	the	DET
ajst-4904	26	4	conventional	conventional	ADJ
ajst-4904	26	5	bop	bop	NOUN
ajst-4904	26	6	,	,	PUNCT
ajst-4904	26	7	this	this	DET
ajst-4904	26	8	device	device	NOUN
ajst-4904	26	9	is	be	AUX
ajst-4904	26	10	equipped	equip	VERB
ajst-4904	26	11	with	with	ADP
ajst-4904	26	12	automatic	automatic	ADJ
ajst-4904	26	13	pressure	pressure	NOUN
ajst-4904	26	14	relief	relief	NOUN
ajst-4904	26	15	device	device	NOUN
ajst-4904	26	16	,	,	PUNCT
ajst-4904	26	17	alarm	alarm	NOUN
ajst-4904	26	18	device	device	NOUN
ajst-4904	26	19	and	and	CCONJ
ajst-4904	26	20	collection	collection	NOUN
ajst-4904	26	21	device	device	NOUN
ajst-4904	26	22	.	.	PUNCT
ajst-4904	27	1	in	in	ADP
ajst-4904	27	2	2017	2017	NUM
ajst-4904	27	3	,	,	PUNCT
ajst-4904	27	4	norwegian	norwegian	ADJ
ajst-4904	27	5	company	company	NOUN
ajst-4904	27	6	electrical	electrical	ADJ
ajst-4904	27	7	subsea	subsea	NOUN
ajst-4904	27	8	&	&	CCONJ
ajst-4904	27	9	drilling	drilling	NOUN
ajst-4904	27	10	developed	develop	VERB
ajst-4904	27	11	an	an	DET
ajst-4904	27	12	all	all	ADV
ajst-4904	27	13	-	-	PUNCT
ajst-4904	27	14	electric	electric	ADJ
ajst-4904	27	15	bop	bop	NOUN
ajst-4904	28	1	[	[	X
ajst-4904	28	2	6	6	NUM
ajst-4904	28	3	]	]	PUNCT
ajst-4904	28	4	that	that	PRON
ajst-4904	28	5	uses	use	VERB
ajst-4904	28	6	an	an	DET
ajst-4904	28	7	all	all	ADV
ajst-4904	28	8	-	-	PUNCT
ajst-4904	28	9	electric	electric	ADJ
ajst-4904	28	10	bop	bop	NOUN
ajst-4904	28	11	control	control	NOUN
ajst-4904	28	12	system	system	NOUN
ajst-4904	28	13	as	as	ADP
ajst-4904	28	14	an	an	DET
ajst-4904	28	15	alternative	alternative	NOUN
ajst-4904	28	16	to	to	ADP
ajst-4904	28	17	electro	electro	VERB
ajst-4904	28	18	-	-	PUNCT
ajst-4904	28	19	hydraulic	hydraulic	NOUN
ajst-4904	28	20	bop	bop	NOUN
ajst-4904	28	21	control	control	PROPN
ajst-4904	28	22	technology	technology	NOUN
ajst-4904	28	23	.	.	PUNCT
ajst-4904	29	1	at	at	ADP
ajst-4904	29	2	present	present	ADJ
ajst-4904	29	3	,	,	PUNCT
ajst-4904	29	4	most	most	ADJ
ajst-4904	29	5	of	of	ADP
ajst-4904	29	6	the	the	DET
ajst-4904	29	7	research	research	NOUN
ajst-4904	29	8	on	on	ADP
ajst-4904	29	9	the	the	DET
ajst-4904	29	10	bop	bop	NOUN
ajst-4904	29	11	at	at	ADP
ajst-4904	29	12	home	home	NOUN
ajst-4904	29	13	and	and	CCONJ
ajst-4904	29	14	abroad	abroad	ADV
ajst-4904	29	15	focuses	focus	VERB
ajst-4904	29	16	on	on	ADP
ajst-4904	29	17	the	the	DET
ajst-4904	29	18	separate	separate	ADJ
ajst-4904	29	19	structural	structural	ADJ
ajst-4904	29	20	optimization	optimization	NOUN
ajst-4904	29	21	of	of	ADP
ajst-4904	29	22	the	the	DET
ajst-4904	29	23	ram	ram	NOUN
ajst-4904	29	24	bop	bop	INTJ
ajst-4904	29	25	and	and	CCONJ
ajst-4904	29	26	the	the	DET
ajst-4904	29	27	annular	annular	ADJ
ajst-4904	29	28	bop	bop	NOUN
ajst-4904	29	29	.	.	PUNCT
ajst-4904	30	1	at	at	ADP
ajst-4904	30	2	present	present	ADJ
ajst-4904	30	3	,	,	PUNCT
ajst-4904	30	4	the	the	DET
ajst-4904	30	5	ram	ram	NOUN
ajst-4904	30	6	bop	bop	NOUN
ajst-4904	30	7	is	be	AUX
ajst-4904	30	8	unable	unable	ADJ
ajst-4904	30	9	to	to	PART
ajst-4904	30	10	seal	seal	VERB
ajst-4904	30	11	the	the	DET
ajst-4904	30	12	well	well	NOUN
ajst-4904	30	13	in	in	ADP
ajst-4904	30	14	case	case	NOUN
ajst-4904	30	15	of	of	ADP
ajst-4904	30	16	a	a	DET
ajst-4904	30	17	blowout	blowout	NOUN
ajst-4904	30	18	because	because	SCONJ
ajst-4904	30	19	of	of	ADP
ajst-4904	30	20	the	the	DET
ajst-4904	30	21	large	large	ADJ
ajst-4904	30	22	number	number	NOUN
ajst-4904	30	23	of	of	ADP
ajst-4904	30	24	sealing	seal	VERB
ajst-4904	30	25	leakage	leakage	NOUN
ajst-4904	30	26	points	point	NOUN
ajst-4904	30	27	.	.	PUNCT
ajst-4904	31	1	annular	annular	ADJ
ajst-4904	31	2	bop	bop	NOUN
ajst-4904	31	3	can	can	AUX
ajst-4904	31	4	not	not	PART
ajst-4904	31	5	be	be	AUX
ajst-4904	31	6	used	use	VERB
ajst-4904	31	7	for	for	ADP
ajst-4904	31	8	long	long	ADJ
ajst-4904	31	9	-	-	PUNCT
ajst-4904	31	10	term	term	NOUN
ajst-4904	31	11	well	well	ADJ
ajst-4904	31	12	sealing	sealing	NOUN
ajst-4904	31	13	,	,	PUNCT
ajst-4904	31	14	and	and	CCONJ
ajst-4904	31	15	its	its	PRON
ajst-4904	31	16	life	life	NOUN
ajst-4904	31	17	is	be	AUX
ajst-4904	31	18	not	not	PART
ajst-4904	31	19	long	long	ADJ
ajst-4904	31	20	;	;	PUNCT
ajst-4904	31	21	combined	combine	VERB
ajst-4904	31	22	bop	bop	NOUN
ajst-4904	31	23	packs	pack	NOUN
ajst-4904	31	24	are	be	AUX
ajst-4904	31	25	large	large	ADJ
ajst-4904	31	26	,	,	PUNCT
ajst-4904	31	27	heavy	heavy	ADJ
ajst-4904	31	28	,	,	PUNCT
ajst-4904	31	29	tall	tall	ADJ
ajst-4904	31	30	,	,	PUNCT
ajst-4904	31	31	time	time	NOUN
ajst-4904	31	32	-	-	PUNCT
ajst-4904	31	33	consuming	consume	VERB
ajst-4904	31	34	and	and	CCONJ
ajst-4904	31	35	laborious	laborious	ADJ
ajst-4904	31	36	to	to	PART
ajst-4904	31	37	install	install	VERB
ajst-4904	31	38	,	,	PUNCT
ajst-4904	31	39	and	and	CCONJ
ajst-4904	31	40	seal	seal	VERB
ajst-4904	31	41	many	many	ADJ
ajst-4904	31	42	leaks	leak	NOUN
ajst-4904	31	43	.	.	PUNCT
ajst-4904	32	1	aiming	aim	VERB
ajst-4904	32	2	at	at	ADP
ajst-4904	32	3	the	the	DET
ajst-4904	32	4	disadvantages	disadvantage	NOUN
ajst-4904	32	5	of	of	ADP
ajst-4904	32	6	each	each	DET
ajst-4904	32	7	type	type	NOUN
ajst-4904	32	8	of	of	ADP
ajst-4904	32	9	bop	bop	NOUN
ajst-4904	32	10	,	,	PUNCT
ajst-4904	32	11	this	this	DET
ajst-4904	32	12	paper	paper	NOUN
ajst-4904	32	13	puts	put	VERB
ajst-4904	32	14	forward	forward	ADP
ajst-4904	32	15	a	a	DET
ajst-4904	32	16	new	new	ADJ
ajst-4904	32	17	design	design	NOUN
ajst-4904	32	18	scheme	scheme	NOUN
ajst-4904	32	19	of	of	ADP
ajst-4904	32	20	integrated	integrated	ADJ
ajst-4904	32	21	bop	bop	NOUN
ajst-4904	32	22	and	and	CCONJ
ajst-4904	32	23	analyzes	analyze	VERB
ajst-4904	32	24	the	the	DET
ajst-4904	32	25	reliability	reliability	NOUN
ajst-4904	32	26	of	of	ADP
ajst-4904	32	27	its	its	PRON
ajst-4904	32	28	key	key	ADJ
ajst-4904	32	29	structure	structure	NOUN
ajst-4904	32	30	.	.	PUNCT
ajst-4904	33	1	2	2	X
ajst-4904	33	2	.	.	X
ajst-4904	33	3	structural	structural	ADJ
ajst-4904	33	4	design	design	NOUN
ajst-4904	33	5	and	and	CCONJ
ajst-4904	33	6	reliability	reliability	NOUN
ajst-4904	33	7	analysis	analysis	NOUN
ajst-4904	33	8	2.1	2.1	NUM
ajst-4904	33	9	.	.	PUNCT
ajst-4904	34	1	structural	structural	ADJ
ajst-4904	34	2	design	design	NOUN
ajst-4904	34	3	according	accord	VERB
ajst-4904	34	4	to	to	ADP
ajst-4904	34	5	the	the	DET
ajst-4904	34	6	field	field	NOUN
ajst-4904	34	7	feedback	feedback	NOUN
ajst-4904	34	8	,	,	PUNCT
ajst-4904	34	9	the	the	DET
ajst-4904	34	10	most	most	ADV
ajst-4904	34	11	commonly	commonly	ADV
ajst-4904	34	12	used	use	VERB
ajst-4904	34	13	bop	bop	NOUN
ajst-4904	34	14	is	be	AUX
ajst-4904	34	15	the	the	DET
ajst-4904	34	16	combination	combination	NOUN
ajst-4904	34	17	of	of	ADP
ajst-4904	34	18	annular	annular	ADJ
ajst-4904	34	19	bop	bop	NOUN
ajst-4904	34	20	and	and	CCONJ
ajst-4904	34	21	ram	ram	NOUN
ajst-4904	34	22	bop	bop	ADV
ajst-4904	34	23	connected	connect	VERB
ajst-4904	34	24	through	through	ADP
ajst-4904	34	25	flange	flange	NOUN
ajst-4904	34	26	.	.	PUNCT
ajst-4904	35	1	however	however	ADV
ajst-4904	35	2	,	,	PUNCT
ajst-4904	35	3	the	the	DET
ajst-4904	35	4	combination	combination	NOUN
ajst-4904	35	5	bop	bop	NOUN
ajst-4904	35	6	has	have	VERB
ajst-4904	35	7	some	some	DET
ajst-4904	35	8	disadvantages	disadvantage	NOUN
ajst-4904	35	9	such	such	ADJ
ajst-4904	35	10	as	as	ADP
ajst-4904	35	11	large	large	ADJ
ajst-4904	35	12	volume	volume	NOUN
ajst-4904	35	13	,	,	PUNCT
ajst-4904	35	14	heavy	heavy	ADJ
ajst-4904	35	15	weight	weight	NOUN
ajst-4904	35	16	,	,	PUNCT
ajst-4904	35	17	high	high	ADJ
ajst-4904	35	18	height	height	NOUN
ajst-4904	35	19	,	,	PUNCT
ajst-4904	35	20	time	time	NOUN
ajst-4904	35	21	-	-	PUNCT
ajst-4904	35	22	consuming	consume	VERB
ajst-4904	35	23	and	and	CCONJ
ajst-4904	35	24	laborious	laborious	ADJ
ajst-4904	35	25	installation	installation	NOUN
ajst-4904	35	26	,	,	PUNCT
ajst-4904	35	27	and	and	CCONJ
ajst-4904	35	28	many	many	ADJ
ajst-4904	35	29	sealing	seal	VERB
ajst-4904	35	30	leakage	leakage	NOUN
ajst-4904	35	31	points	point	NOUN
ajst-4904	35	32	.	.	PUNCT
ajst-4904	36	1	to	to	PART
ajst-4904	36	2	solve	solve	VERB
ajst-4904	36	3	the	the	DET
ajst-4904	36	4	above	above	ADJ
ajst-4904	36	5	problems	problem	NOUN
ajst-4904	36	6	,	,	PUNCT
ajst-4904	36	7	the	the	DET
ajst-4904	36	8	structure	structure	NOUN
ajst-4904	36	9	of	of	ADP
ajst-4904	36	10	the	the	DET
ajst-4904	36	11	combined	combine	VERB
ajst-4904	36	12	bop	bop	NOUN
ajst-4904	36	13	is	be	AUX
ajst-4904	36	14	optimized	optimize	VERB
ajst-4904	36	15	in	in	ADP
ajst-4904	36	16	this	this	DET
ajst-4904	36	17	paper	paper	NOUN
ajst-4904	36	18	.	.	PUNCT
ajst-4904	37	1	the	the	DET
ajst-4904	37	2	annular	annular	ADJ
ajst-4904	37	3	,	,	PUNCT
ajst-4904	37	4	single	single	ADJ
ajst-4904	37	5	gate	gate	NOUN
ajst-4904	37	6	and	and	CCONJ
ajst-4904	37	7	drilling	drill	VERB
ajst-4904	37	8	four	four	NUM
ajst-4904	37	9	-	-	PUNCT
ajst-4904	37	10	way	way	NOUN
ajst-4904	37	11	are	be	AUX
ajst-4904	37	12	designed	design	VERB
ajst-4904	37	13	in	in	ADP
ajst-4904	37	14	one	one	NUM
ajst-4904	37	15	piece	piece	NOUN
ajst-4904	37	16	,	,	PUNCT
ajst-4904	37	17	and	and	CCONJ
ajst-4904	37	18	flange	flange	NOUN
ajst-4904	37	19	connection	connection	NOUN
ajst-4904	37	20	is	be	AUX
ajst-4904	37	21	no	no	ADV
ajst-4904	37	22	longer	long	ADV
ajst-4904	37	23	required	require	VERB
ajst-4904	37	24	.	.	PUNCT
ajst-4904	38	1	the	the	DET
ajst-4904	38	2	structure	structure	NOUN
ajst-4904	38	3	is	be	AUX
ajst-4904	38	4	shown	show	VERB
ajst-4904	38	5	in	in	ADP
ajst-4904	38	6	figure	figure	NOUN
ajst-4904	38	7	1	1	NUM
ajst-4904	38	8	.	.	PUNCT
ajst-4904	38	9	compared	compare	VERB
ajst-4904	38	10	with	with	ADP
ajst-4904	38	11	the	the	DET
ajst-4904	38	12	combined	combine	VERB
ajst-4904	38	13	bop	bop	NOUN
ajst-4904	38	14	group	group	NOUN
ajst-4904	38	15	,	,	PUNCT
ajst-4904	38	16	the	the	DET
ajst-4904	38	17	integrated	integrate	VERB
ajst-4904	38	18	bop	bop	NOUN
ajst-4904	38	19	has	have	AUX
ajst-4904	38	20	fewer	few	ADJ
ajst-4904	38	21	sealing	seal	VERB
ajst-4904	38	22	leakage	leakage	NOUN
ajst-4904	38	23	points	point	NOUN
ajst-4904	38	24	,	,	PUNCT
ajst-4904	38	25	less	less	ADJ
ajst-4904	38	26	time	time	NOUN
ajst-4904	38	27	and	and	CCONJ
ajst-4904	38	28	labor	labor	NOUN
ajst-4904	38	29	before	before	ADV
ajst-4904	38	30	and	and	CCONJ
ajst-4904	38	31	after	after	ADP
ajst-4904	38	32	drilling	drilling	NOUN
ajst-4904	38	33	installation	installation	NOUN
ajst-4904	38	34	,	,	PUNCT
ajst-4904	38	35	shorter	short	ADJ
ajst-4904	38	36	drilling	drilling	NOUN
ajst-4904	38	37	cycle	cycle	NOUN
ajst-4904	38	38	,	,	PUNCT
ajst-4904	38	39	lower	low	ADJ
ajst-4904	38	40	production	production	NOUN
ajst-4904	38	41	cost	cost	NOUN
ajst-4904	38	42	,	,	PUNCT
ajst-4904	38	43	lower	low	ADJ
ajst-4904	38	44	overall	overall	ADJ
ajst-4904	38	45	quality	quality	NOUN
ajst-4904	38	46	and	and	CCONJ
ajst-4904	38	47	lower	low	ADJ
ajst-4904	38	48	overall	overall	ADJ
ajst-4904	38	49	height	height	NOUN
ajst-4904	38	50	.	.	PUNCT
ajst-4904	39	1	when	when	SCONJ
ajst-4904	39	2	there	there	PRON
ajst-4904	39	3	is	be	VERB
ajst-4904	39	4	drill	drill	NOUN
ajst-4904	39	5	,	,	PUNCT
ajst-4904	39	6	tubing	tubing	NOUN
ajst-4904	39	7	or	or	CCONJ
ajst-4904	39	8	casing	casing	NOUN
ajst-4904	39	9	in	in	ADP
ajst-4904	39	10	the	the	DET
ajst-4904	39	11	well	well	NOUN
ajst-4904	39	12	,	,	PUNCT
ajst-4904	39	13	a	a	DET
ajst-4904	39	14	variety	variety	NOUN
ajst-4904	39	15	of	of	ADP
ajst-4904	39	16	annular	annular	ADJ
ajst-4904	39	17	spaces	space	NOUN
ajst-4904	39	18	of	of	ADP
ajst-4904	39	19	different	different	ADJ
ajst-4904	39	20	sizes	size	NOUN
ajst-4904	39	21	can	can	AUX
ajst-4904	39	22	be	be	AUX
ajst-4904	39	23	closed	close	VERB
ajst-4904	39	24	;	;	PUNCT
ajst-4904	39	25	when	when	SCONJ
ajst-4904	39	26	there	there	PRON
ajst-4904	39	27	is	be	VERB
ajst-4904	39	28	no	no	DET
ajst-4904	39	29	drilling	drilling	NOUN
ajst-4904	39	30	tool	tool	NOUN
ajst-4904	39	31	in	in	ADP
ajst-4904	39	32	the	the	DET
ajst-4904	39	33	well	well	NOUN
ajst-4904	39	34	,	,	PUNCT
ajst-4904	39	35	the	the	DET
ajst-4904	39	36	wellhead	wellhead	NOUN
ajst-4904	39	37	can	can	AUX
ajst-4904	39	38	be	be	AUX
ajst-4904	39	39	completely	completely	ADV
ajst-4904	39	40	closed	close	VERB
ajst-4904	39	41	;	;	PUNCT
ajst-4904	39	42	in	in	ADP
ajst-4904	39	43	the	the	DET
ajst-4904	39	44	process	process	NOUN
ajst-4904	39	45	of	of	ADP
ajst-4904	39	46	drilling	drilling	NOUN
ajst-4904	39	47	,	,	PUNCT
ajst-4904	39	48	coring	core	VERB
ajst-4904	39	49	,	,	PUNCT
ajst-4904	39	50	logging	log	VERB
ajst-4904	39	51	and	and	CCONJ
ajst-4904	39	52	other	other	ADJ
ajst-4904	39	53	operations	operation	NOUN
ajst-4904	39	54	in	in	ADP
ajst-4904	39	55	the	the	DET
ajst-4904	39	56	blowout	blowout	NOUN
ajst-4904	39	57	,	,	PUNCT
ajst-4904	39	58	can	can	AUX
ajst-4904	39	59	be	be	AUX
ajst-4904	39	60	closed	close	VERB
ajst-4904	39	61	kelly	kelly	PROPN
ajst-4904	39	62	pipe	pipe	NOUN
ajst-4904	39	63	,	,	PUNCT
ajst-4904	39	64	coring	core	VERB
ajst-4904	39	65	tools	tool	NOUN
ajst-4904	39	66	,	,	PUNCT
ajst-4904	39	67	cable	cable	NOUN
ajst-4904	39	68	and	and	CCONJ
ajst-4904	39	69	steel	steel	NOUN
ajst-4904	39	70	wire	wire	NOUN
ajst-4904	39	71	and	and	CCONJ
ajst-4904	39	72	98	98	NUM
ajst-4904	39	73	shaft	shaft	NOUN
ajst-4904	39	74	formed	form	VERB
ajst-4904	39	75	annular	annular	PROPN
ajst-4904	39	76	space;in	space;in	NOUN
ajst-4904	39	77	the	the	DET
ajst-4904	39	78	use	use	NOUN
ajst-4904	39	79	of	of	ADP
ajst-4904	39	80	pressure	pressure	NOUN
ajst-4904	39	81	relief	relief	NOUN
ajst-4904	39	82	valve	valve	NOUN
ajst-4904	39	83	and	and	CCONJ
ajst-4904	39	84	buffer	buffer	VERB
ajst-4904	39	85	energy	energy	NOUN
ajst-4904	39	86	storage	storage	NOUN
ajst-4904	39	87	,	,	PUNCT
ajst-4904	39	88	through	through	ADP
ajst-4904	39	89	18	18	NUM
ajst-4904	39	90	°	°	NOUN
ajst-4904	39	91	no	no	DET
ajst-4904	39	92	fine	fine	ADJ
ajst-4904	39	93	buckle	buckle	NOUN
ajst-4904	39	94	butt	butt	NOUN
ajst-4904	39	95	welding	welding	NOUN
ajst-4904	39	96	drill	drill	NOUN
ajst-4904	39	97	pipe	pipe	NOUN
ajst-4904	39	98	joint	joint	NOUN
ajst-4904	39	99	,	,	PUNCT
ajst-4904	39	100	forced	force	VERB
ajst-4904	39	101	down	down	ADP
ajst-4904	39	102	the	the	DET
ajst-4904	39	103	drill	drill	NOUN
ajst-4904	39	104	tool	tool	NOUN
ajst-4904	39	105	.	.	PUNCT
ajst-4904	40	1	figure	figure	NOUN
ajst-4904	40	2	1	1	NUM
ajst-4904	40	3	.	.	PUNCT
ajst-4904	40	4	schematic	schematic	ADJ
ajst-4904	40	5	diagram	diagram	NOUN
ajst-4904	40	6	of	of	ADP
ajst-4904	40	7	the	the	DET
ajst-4904	40	8	integrated	integrate	VERB
ajst-4904	40	9	bop	bop	NOUN
ajst-4904	40	10	housing	housing	NOUN
ajst-4904	40	11	structure	structure	NOUN
ajst-4904	40	12	2.2	2.2	NUM
ajst-4904	40	13	.	.	PUNCT
ajst-4904	41	1	reliability	reliability	NOUN
ajst-4904	41	2	analysis	analysis	NOUN
ajst-4904	41	3	in	in	ADP
ajst-4904	41	4	this	this	DET
ajst-4904	41	5	paper	paper	NOUN
ajst-4904	41	6	,	,	PUNCT
ajst-4904	41	7	the	the	DET
ajst-4904	41	8	design	design	NOUN
ajst-4904	41	9	maximum	maximum	ADJ
ajst-4904	41	10	bearing	bearing	NOUN
ajst-4904	41	11	pressure	pressure	NOUN
ajst-4904	41	12	of	of	ADP
ajst-4904	41	13	the	the	DET
ajst-4904	41	14	integrated	integrate	VERB
ajst-4904	41	15	bop	bop	NOUN
ajst-4904	41	16	,	,	PUNCT
ajst-4904	41	17	that	that	ADV
ajst-4904	41	18	is	is	ADV
ajst-4904	41	19	,	,	PUNCT
ajst-4904	41	20	the	the	DET
ajst-4904	41	21	maximum	maximum	ADJ
ajst-4904	41	22	blowout	blowout	NOUN
ajst-4904	41	23	pressure	pressure	NOUN
ajst-4904	41	24	of	of	ADP
ajst-4904	41	25	21mpa	21mpa	NOUN
ajst-4904	41	26	when	when	SCONJ
ajst-4904	41	27	the	the	DET
ajst-4904	41	28	wellhead	wellhead	NOUN
ajst-4904	41	29	is	be	AUX
ajst-4904	41	30	fully	fully	ADV
ajst-4904	41	31	sealed	seal	VERB
ajst-4904	41	32	,	,	PUNCT
ajst-4904	41	33	is	be	AUX
ajst-4904	41	34	taken	take	VERB
ajst-4904	41	35	as	as	ADP
ajst-4904	41	36	the	the	DET
ajst-4904	41	37	working	work	VERB
ajst-4904	41	38	condition	condition	NOUN
ajst-4904	41	39	.	.	PUNCT
ajst-4904	42	1	abaqus	abaqus	PROPN
ajst-4904	42	2	simulation	simulation	PROPN
ajst-4904	42	3	analysis	analysis	NOUN
ajst-4904	42	4	software	software	NOUN
ajst-4904	42	5	is	be	AUX
ajst-4904	42	6	used	use	VERB
ajst-4904	42	7	to	to	PART
ajst-4904	42	8	verify	verify	VERB
ajst-4904	42	9	the	the	DET
ajst-4904	42	10	rationality	rationality	NOUN
ajst-4904	42	11	and	and	CCONJ
ajst-4904	42	12	reliability	reliability	NOUN
ajst-4904	42	13	of	of	ADP
ajst-4904	42	14	the	the	DET
ajst-4904	42	15	structural	structural	ADJ
ajst-4904	42	16	design	design	NOUN
ajst-4904	42	17	of	of	ADP
ajst-4904	42	18	the	the	DET
ajst-4904	42	19	bop	bop	NOUN
ajst-4904	42	20	.	.	PUNCT
ajst-4904	43	1	2.2.1	2.2.1	NUM
ajst-4904	43	2	.	.	PUNCT
ajst-4904	43	3	geometric	geometric	ADJ
ajst-4904	43	4	model	model	NOUN
ajst-4904	43	5	this	this	DET
ajst-4904	43	6	paper	paper	NOUN
ajst-4904	43	7	takes	take	VERB
ajst-4904	43	8	the	the	DET
ajst-4904	43	9	integrated	integrate	VERB
ajst-4904	43	10	bop	bop	NOUN
ajst-4904	43	11	as	as	ADP
ajst-4904	43	12	the	the	DET
ajst-4904	43	13	research	research	NOUN
ajst-4904	43	14	object	object	NOUN
ajst-4904	43	15	and	and	CCONJ
ajst-4904	43	16	uses	use	VERB
ajst-4904	43	17	solidworks	solidwork	NOUN
ajst-4904	43	18	to	to	PART
ajst-4904	43	19	build	build	VERB
ajst-4904	43	20	a	a	DET
ajst-4904	43	21	three	three	NUM
ajst-4904	43	22	-	-	PUNCT
ajst-4904	43	23	dimensional	dimensional	ADJ
ajst-4904	43	24	model	model	NOUN
ajst-4904	43	25	of	of	ADP
ajst-4904	43	26	the	the	DET
ajst-4904	43	27	integrated	integrate	VERB
ajst-4904	43	28	bop	bop	NOUN
ajst-4904	43	29	shell	shell	NOUN
ajst-4904	43	30	and	and	CCONJ
ajst-4904	43	31	ram.in	ram.in	ADJ
ajst-4904	43	32	order	order	VERB
ajst-4904	43	33	to	to	PART
ajst-4904	43	34	reduce	reduce	VERB
ajst-4904	43	35	the	the	DET
ajst-4904	43	36	calculation	calculation	NOUN
ajst-4904	43	37	and	and	CCONJ
ajst-4904	43	38	analysis	analysis	NOUN
ajst-4904	43	39	time	time	NOUN
ajst-4904	43	40	,	,	PUNCT
ajst-4904	43	41	simplify	simplify	VERB
ajst-4904	43	42	the	the	DET
ajst-4904	43	43	structure	structure	NOUN
ajst-4904	43	44	of	of	ADP
ajst-4904	43	45	the	the	DET
ajst-4904	43	46	bop	bop	NOUN
ajst-4904	43	47	shell	shell	NOUN
ajst-4904	43	48	,	,	PUNCT
ajst-4904	43	49	such	such	ADJ
ajst-4904	43	50	as	as	ADP
ajst-4904	43	51	chamfer	chamfer	NOUN
ajst-4904	43	52	,	,	PUNCT
ajst-4904	43	53	fillet	fillet	NOUN
ajst-4904	43	54	and	and	CCONJ
ajst-4904	43	55	ram	ram	VERB
ajst-4904	43	56	track;simplify	track;simplify	PROPN
ajst-4904	43	57	the	the	DET
ajst-4904	43	58	bop	bop	NOUN
ajst-4904	43	59	deck	deck	NOUN
ajst-4904	43	60	seal	seal	NOUN
ajst-4904	43	61	groove	groove	NOUN
ajst-4904	43	62	and	and	CCONJ
ajst-4904	43	63	other	other	ADJ
ajst-4904	43	64	structures.since	structures.since	ADP
ajst-4904	43	65	the	the	DET
ajst-4904	43	66	all	all	ADV
ajst-4904	43	67	-	-	PUNCT
ajst-4904	43	68	inone	inone	ADJ
ajst-4904	43	69	bop	bop	NOUN
ajst-4904	43	70	structure	structure	NOUN
ajst-4904	43	71	is	be	AUX
ajst-4904	43	72	symmetrical	symmetrical	ADJ
ajst-4904	43	73	about	about	ADP
ajst-4904	43	74	the	the	DET
ajst-4904	43	75	y	y	NOUN
ajst-4904	43	76	-	-	PUNCT
ajst-4904	43	77	axis	axis	NOUN
ajst-4904	43	78	,	,	PUNCT
ajst-4904	43	79	take	take	VERB
ajst-4904	43	80	half	half	NOUN
ajst-4904	43	81	of	of	ADP
ajst-4904	43	82	the	the	DET
ajst-4904	43	83	3d	3d	NUM
ajst-4904	43	84	model	model	NOUN
ajst-4904	43	85	of	of	ADP
ajst-4904	43	86	the	the	DET
ajst-4904	43	87	bop	bop	NOUN
ajst-4904	43	88	housing	housing	NOUN
ajst-4904	43	89	and	and	CCONJ
ajst-4904	43	90	import	import	VERB
ajst-4904	43	91	it	it	PRON
ajst-4904	43	92	into	into	ADP
ajst-4904	43	93	abaqus;the	abaqus;the	DET
ajst-4904	43	94	simplified	simplified	ADJ
ajst-4904	43	95	bop	bop	NOUN
ajst-4904	43	96	housing	housing	NOUN
ajst-4904	43	97	and	and	CCONJ
ajst-4904	43	98	ram	ram	NOUN
ajst-4904	43	99	model	model	NOUN
ajst-4904	43	100	are	be	AUX
ajst-4904	43	101	shown	show	VERB
ajst-4904	43	102	in	in	ADP
ajst-4904	43	103	figure	figure	NOUN
ajst-4904	43	104	2.both	2.both	NUM
ajst-4904	43	105	the	the	DET
ajst-4904	43	106	bop	bop	INTJ
ajst-4904	43	107	housing	housing	NOUN
ajst-4904	43	108	and	and	CCONJ
ajst-4904	43	109	ram	ram	NOUN
ajst-4904	43	110	are	be	AUX
ajst-4904	43	111	modulated	modulate	VERB
ajst-4904	43	112	alloy	alloy	NOUN
ajst-4904	43	113	steel	steel	NOUN
ajst-4904	43	114	with	with	ADP
ajst-4904	43	115	an	an	DET
ajst-4904	43	116	elastic	elastic	ADJ
ajst-4904	43	117	modulus	modulus	NOUN
ajst-4904	43	118	of	of	ADP
ajst-4904	43	119	2.06	2.06	NUM
ajst-4904	43	120	×	×	NOUN
ajst-4904	43	121	105mpa	105mpa	NUM
ajst-4904	43	122	and	and	CCONJ
ajst-4904	43	123	poisson	poisson	PROPN
ajst-4904	43	124	's	's	PART
ajst-4904	43	125	ratio	ratio	NOUN
ajst-4904	43	126	of	of	ADP
ajst-4904	43	127	0.3	0.3	NUM
ajst-4904	43	128	.	.	PUNCT
ajst-4904	44	1	(	(	PUNCT
ajst-4904	44	2	a	a	X
ajst-4904	44	3	)	)	PUNCT
ajst-4904	44	4	simplified	simplified	ADJ
ajst-4904	44	5	shell	shell	NOUN
ajst-4904	44	6	model	model	NOUN
ajst-4904	44	7	(	(	PUNCT
ajst-4904	44	8	b)ram	b)ram	PROPN
ajst-4904	44	9	simulation	simulation	NOUN
ajst-4904	44	10	model	model	NOUN
ajst-4904	44	11	figure	figure	NOUN
ajst-4904	44	12	2	2	NUM
ajst-4904	44	13	.	.	PUNCT
ajst-4904	44	14	simplified	simplified	ADJ
ajst-4904	44	15	model	model	NOUN
ajst-4904	44	16	of	of	ADP
ajst-4904	44	17	bop	bop	NOUN
ajst-4904	44	18	housing	housing	NOUN
ajst-4904	44	19	and	and	CCONJ
ajst-4904	44	20	ram	ram	NOUN
ajst-4904	44	21	2.2.2	2.2.2	NUM
ajst-4904	44	22	.	.	PUNCT
ajst-4904	44	23	2.2.2	2.2.2	NUM
ajst-4904	44	24	mesh	mesh	NOUN
ajst-4904	44	25	division	division	NOUN
ajst-4904	44	26	divide	divide	VERB
ajst-4904	44	27	the	the	DET
ajst-4904	44	28	bop	bop	NOUN
ajst-4904	44	29	housing	housing	NOUN
ajst-4904	44	30	,	,	PUNCT
ajst-4904	44	31	lay	lie	VERB
ajst-4904	44	32	out	out	ADP
ajst-4904	44	33	the	the	DET
ajst-4904	44	34	global	global	ADJ
ajst-4904	44	35	seeds	seed	NOUN
ajst-4904	44	36	,	,	PUNCT
ajst-4904	44	37	set	set	VERB
ajst-4904	44	38	the	the	DET
ajst-4904	44	39	approximate	approximate	ADJ
ajst-4904	44	40	global	global	ADJ
ajst-4904	44	41	size	size	NOUN
ajst-4904	44	42	to	to	ADP
ajst-4904	44	43	20	20	NUM
ajst-4904	44	44	and	and	CCONJ
ajst-4904	44	45	the	the	DET
ajst-4904	44	46	maximum	maximum	ADJ
ajst-4904	44	47	offset	offset	NOUN
ajst-4904	44	48	factor	factor	NOUN
ajst-4904	44	49	to	to	ADP
ajst-4904	44	50	0.1	0.1	NUM
ajst-4904	44	51	,	,	PUNCT
ajst-4904	44	52	and	and	CCONJ
ajst-4904	44	53	seed	seed	VERB
ajst-4904	44	54	the	the	DET
ajst-4904	44	55	bop	bop	NOUN
ajst-4904	44	56	housing	housing	NOUN
ajst-4904	44	57	as	as	ADP
ajst-4904	44	58	a	a	DET
ajst-4904	44	59	whole.when	whole.when	NOUN
ajst-4904	44	60	the	the	DET
ajst-4904	44	61	blowout	blowout	NOUN
ajst-4904	44	62	head	head	NOUN
ajst-4904	44	63	is	be	AUX
ajst-4904	44	64	fully	fully	ADV
ajst-4904	44	65	sealed	seal	VERB
ajst-4904	44	66	,	,	PUNCT
ajst-4904	44	67	due	due	ADP
ajst-4904	44	68	to	to	ADP
ajst-4904	44	69	the	the	DET
ajst-4904	44	70	influence	influence	NOUN
ajst-4904	44	71	of	of	ADP
ajst-4904	44	72	the	the	DET
ajst-4904	44	73	bottom	bottom	ADJ
ajst-4904	44	74	hole	hole	NOUN
ajst-4904	44	75	pressure	pressure	NOUN
ajst-4904	44	76	,	,	PUNCT
ajst-4904	44	77	the	the	DET
ajst-4904	44	78	contact	contact	NOUN
ajst-4904	44	79	surface	surface	NOUN
ajst-4904	44	80	between	between	ADP
ajst-4904	44	81	the	the	DET
ajst-4904	44	82	ram	ram	NOUN
ajst-4904	44	83	chamber	chamber	NOUN
ajst-4904	44	84	and	and	CCONJ
ajst-4904	44	85	the	the	DET
ajst-4904	44	86	ram	ram	NOUN
ajst-4904	44	87	of	of	ADP
ajst-4904	44	88	the	the	DET
ajst-4904	44	89	bop	bop	NOUN
ajst-4904	44	90	will	will	AUX
ajst-4904	44	91	be	be	AUX
ajst-4904	44	92	subjected	subject	VERB
ajst-4904	44	93	to	to	ADP
ajst-4904	44	94	enormous	enormous	ADJ
ajst-4904	44	95	pressure	pressure	NOUN
ajst-4904	44	96	.	.	PUNCT
ajst-4904	45	1	this	this	DET
ajst-4904	45	2	area	area	NOUN
ajst-4904	45	3	is	be	AUX
ajst-4904	45	4	the	the	DET
ajst-4904	45	5	weak	weak	ADJ
ajst-4904	45	6	area	area	NOUN
ajst-4904	45	7	of	of	ADP
ajst-4904	45	8	the	the	DET
ajst-4904	45	9	bop.therefore	bop.therefore	NOUN
ajst-4904	45	10	,	,	PUNCT
ajst-4904	45	11	a	a	DET
ajst-4904	45	12	local	local	ADJ
ajst-4904	45	13	seed	seed	NOUN
ajst-4904	45	14	is	be	AUX
ajst-4904	45	15	used	use	VERB
ajst-4904	45	16	in	in	ADP
ajst-4904	45	17	the	the	DET
ajst-4904	45	18	area	area	NOUN
ajst-4904	45	19	where	where	SCONJ
ajst-4904	45	20	the	the	DET
ajst-4904	45	21	ram	ram	NOUN
ajst-4904	45	22	cavity	cavity	NOUN
ajst-4904	45	23	and	and	CCONJ
ajst-4904	45	24	the	the	DET
ajst-4904	45	25	ram	ram	NOUN
ajst-4904	45	26	contact	contact	NOUN
ajst-4904	45	27	,	,	PUNCT
ajst-4904	45	28	and	and	CCONJ
ajst-4904	45	29	the	the	DET
ajst-4904	45	30	mesh	mesh	NOUN
ajst-4904	45	31	is	be	AUX
ajst-4904	45	32	encrypted	encrypt	VERB
ajst-4904	45	33	in	in	ADP
ajst-4904	45	34	this	this	DET
ajst-4904	45	35	area	area	NOUN
ajst-4904	45	36	.	.	PUNCT
ajst-4904	46	1	the	the	DET
ajst-4904	46	2	minimum	minimum	ADJ
ajst-4904	46	3	size	size	NOUN
ajst-4904	46	4	of	of	ADP
ajst-4904	46	5	the	the	DET
ajst-4904	46	6	local	local	ADJ
ajst-4904	46	7	seed	seed	NOUN
ajst-4904	46	8	is	be	AUX
ajst-4904	46	9	set	set	VERB
ajst-4904	46	10	as	as	ADP
ajst-4904	46	11	5	5	NUM
ajst-4904	46	12	and	and	CCONJ
ajst-4904	46	13	the	the	DET
ajst-4904	46	14	maximum	maximum	ADJ
ajst-4904	46	15	size	size	NOUN
ajst-4904	46	16	as	as	SCONJ
ajst-4904	46	17	10.the	10.the	DET
ajst-4904	46	18	bottom	bottom	ADJ
ajst-4904	46	19	surface	surface	NOUN
ajst-4904	46	20	of	of	ADP
ajst-4904	46	21	the	the	DET
ajst-4904	46	22	bop	bop	NOUN
ajst-4904	46	23	shell	shell	NOUN
ajst-4904	46	24	connected	connect	VERB
ajst-4904	46	25	to	to	ADP
ajst-4904	46	26	the	the	DET
ajst-4904	46	27	wellhead	wellhead	NOUN
ajst-4904	46	28	and	and	CCONJ
ajst-4904	46	29	the	the	DET
ajst-4904	46	30	upper	upper	ADJ
ajst-4904	46	31	surface	surface	NOUN
ajst-4904	46	32	of	of	ADP
ajst-4904	46	33	the	the	DET
ajst-4904	46	34	bop	bop	NOUN
ajst-4904	46	35	shell	shell	NOUN
ajst-4904	46	36	connected	connect	VERB
ajst-4904	46	37	to	to	ADP
ajst-4904	46	38	the	the	DET
ajst-4904	46	39	upper	upper	ADJ
ajst-4904	46	40	drilling	drilling	NOUN
ajst-4904	46	41	tool	tool	NOUN
ajst-4904	46	42	will	will	AUX
ajst-4904	46	43	be	be	AUX
ajst-4904	46	44	subject	subject	ADJ
ajst-4904	46	45	to	to	ADP
ajst-4904	46	46	great	great	ADJ
ajst-4904	46	47	pressure	pressure	NOUN
ajst-4904	46	48	due	due	ADP
ajst-4904	46	49	to	to	ADP
ajst-4904	46	50	the	the	DET
ajst-4904	46	51	influence	influence	NOUN
ajst-4904	46	52	of	of	ADP
ajst-4904	46	53	the	the	DET
ajst-4904	46	54	bottom	bottom	ADJ
ajst-4904	46	55	hole	hole	NOUN
ajst-4904	46	56	pressure	pressure	NOUN
ajst-4904	46	57	.	.	PUNCT
ajst-4904	47	1	the	the	DET
ajst-4904	47	2	local	local	ADJ
ajst-4904	47	3	seeds	seed	NOUN
ajst-4904	47	4	are	be	AUX
ajst-4904	47	5	arranged	arrange	VERB
ajst-4904	47	6	with	with	ADP
ajst-4904	47	7	fine	fine	ADJ
ajst-4904	47	8	seeds	seed	NOUN
ajst-4904	47	9	of	of	ADP
ajst-4904	47	10	minimum	minimum	ADJ
ajst-4904	47	11	size	size	NOUN
ajst-4904	47	12	5	5	NUM
ajst-4904	47	13	and	and	CCONJ
ajst-4904	47	14	maximum	maximum	ADJ
ajst-4904	47	15	size	size	NOUN
ajst-4904	47	16	10	10	NUM
ajst-4904	47	17	,	,	PUNCT
ajst-4904	47	18	and	and	CCONJ
ajst-4904	47	19	the	the	DET
ajst-4904	47	20	mesh	mesh	NOUN
ajst-4904	47	21	is	be	AUX
ajst-4904	47	22	encrypted.similarly	encrypted.similarly	ADV
ajst-4904	47	23	,	,	PUNCT
ajst-4904	47	24	a	a	DET
ajst-4904	47	25	local	local	ADJ
ajst-4904	47	26	seed	seed	NOUN
ajst-4904	47	27	arrangement	arrangement	NOUN
ajst-4904	47	28	with	with	ADP
ajst-4904	47	29	a	a	DET
ajst-4904	47	30	minimum	minimum	ADJ
ajst-4904	47	31	size	size	NOUN
ajst-4904	47	32	of	of	ADP
ajst-4904	47	33	5	5	NUM
ajst-4904	47	34	and	and	CCONJ
ajst-4904	47	35	a	a	DET
ajst-4904	47	36	maximum	maximum	ADJ
ajst-4904	47	37	size	size	NOUN
ajst-4904	47	38	of	of	ADP
ajst-4904	47	39	10	10	NUM
ajst-4904	47	40	is	be	AUX
ajst-4904	47	41	used	use	VERB
ajst-4904	47	42	for	for	ADP
ajst-4904	47	43	mesh	mesh	NOUN
ajst-4904	47	44	encryption	encryption	NOUN
ajst-4904	47	45	where	where	SCONJ
ajst-4904	47	46	the	the	DET
ajst-4904	47	47	size	size	NOUN
ajst-4904	47	48	of	of	ADP
ajst-4904	47	49	the	the	DET
ajst-4904	47	50	bop	bop	NOUN
ajst-4904	47	51	housing	housing	NOUN
ajst-4904	47	52	changes	change	NOUN
ajst-4904	47	53	and	and	CCONJ
ajst-4904	47	54	stresses	stress	NOUN
ajst-4904	47	55	are	be	AUX
ajst-4904	47	56	concentrated.the	concentrated.the	DET
ajst-4904	47	57	rest	rest	NOUN
ajst-4904	47	58	of	of	ADP
ajst-4904	47	59	the	the	DET
ajst-4904	47	60	bop	bop	NOUN
ajst-4904	47	61	housing	housing	NOUN
ajst-4904	47	62	is	be	AUX
ajst-4904	47	63	laid	lay	VERB
ajst-4904	47	64	out	out	ADP
ajst-4904	47	65	in	in	ADP
ajst-4904	47	66	accordance	accordance	NOUN
ajst-4904	47	67	with	with	ADP
ajst-4904	47	68	the	the	DET
ajst-4904	47	69	initial	initial	ADJ
ajst-4904	47	70	global	global	ADJ
ajst-4904	47	71	seed	seed	NOUN
ajst-4904	47	72	size.a	size.a	PUNCT
ajst-4904	47	73	tetrahedral	tetrahedral	ADJ
ajst-4904	47	74	grid	grid	NOUN
ajst-4904	47	75	was	be	AUX
ajst-4904	47	76	used	use	VERB
ajst-4904	47	77	for	for	ADP
ajst-4904	47	78	meshing	meshing	NOUN
ajst-4904	47	79	,	,	PUNCT
ajst-4904	47	80	with	with	SCONJ
ajst-4904	47	81	a	a	DET
ajst-4904	47	82	total	total	NOUN
ajst-4904	47	83	of	of	ADP
ajst-4904	47	84	292,248	292,248	NUM
ajst-4904	47	85	meshes.the	meshes.the	DET
ajst-4904	47	86	partitioning	partitioning	NOUN
ajst-4904	47	87	results	result	NOUN
ajst-4904	47	88	are	be	AUX
ajst-4904	47	89	shown	show	VERB
ajst-4904	47	90	in	in	ADP
ajst-4904	47	91	figure	figure	NOUN
ajst-4904	47	92	3	3	NUM
ajst-4904	47	93	.	.	PUNCT
ajst-4904	47	94	figure	figure	NOUN
ajst-4904	48	1	3	3	NUM
ajst-4904	48	2	.	.	NOUN
ajst-4904	48	3	bop	bop	NOUN
ajst-4904	48	4	housing	housing	NOUN
ajst-4904	48	5	grid	grid	NOUN
ajst-4904	48	6	model	model	NOUN
ajst-4904	48	7	the	the	DET
ajst-4904	48	8	bop	bop	NOUN
ajst-4904	48	9	ram	ram	NOUN
ajst-4904	48	10	is	be	AUX
ajst-4904	48	11	divided	divide	VERB
ajst-4904	48	12	,	,	PUNCT
ajst-4904	48	13	the	the	DET
ajst-4904	48	14	global	global	ADJ
ajst-4904	48	15	seed	seed	NOUN
ajst-4904	48	16	is	be	AUX
ajst-4904	48	17	laid	lay	VERB
ajst-4904	48	18	out	out	ADP
ajst-4904	48	19	,	,	PUNCT
ajst-4904	48	20	the	the	DET
ajst-4904	48	21	approximate	approximate	ADJ
ajst-4904	48	22	global	global	ADJ
ajst-4904	48	23	size	size	NOUN
ajst-4904	48	24	is	be	AUX
ajst-4904	48	25	set	set	VERB
ajst-4904	48	26	to	to	ADP
ajst-4904	48	27	10	10	NUM
ajst-4904	48	28	,	,	PUNCT
ajst-4904	48	29	the	the	DET
ajst-4904	48	30	maximum	maximum	ADJ
ajst-4904	48	31	offset	offset	NOUN
ajst-4904	48	32	factor	factor	NOUN
ajst-4904	48	33	is	be	AUX
ajst-4904	48	34	0.1	0.1	NUM
ajst-4904	48	35	,	,	PUNCT
ajst-4904	48	36	and	and	CCONJ
ajst-4904	48	37	the	the	DET
ajst-4904	48	38	overall	overall	ADJ
ajst-4904	48	39	seed	seed	NOUN
ajst-4904	48	40	is	be	AUX
ajst-4904	48	41	laid	lay	VERB
ajst-4904	48	42	out	out	ADP
ajst-4904	48	43	for	for	ADP
ajst-4904	48	44	the	the	DET
ajst-4904	48	45	bop	bop	NOUN
ajst-4904	48	46	ram	ram	NOUN
ajst-4904	48	47	.	.	PUNCT
ajst-4904	49	1	a	a	DET
ajst-4904	49	2	tetrahedral	tetrahedral	ADJ
ajst-4904	49	3	grid	grid	NOUN
ajst-4904	49	4	was	be	AUX
ajst-4904	49	5	used	use	VERB
ajst-4904	49	6	for	for	ADP
ajst-4904	49	7	grid	grid	NOUN
ajst-4904	49	8	partitioning	partitioning	NOUN
ajst-4904	49	9	,	,	PUNCT
ajst-4904	49	10	and	and	CCONJ
ajst-4904	49	11	a	a	DET
ajst-4904	49	12	total	total	NOUN
ajst-4904	49	13	of	of	ADP
ajst-4904	49	14	44,330	44,330	NUM
ajst-4904	49	15	grids	grid	NOUN
ajst-4904	49	16	were	be	AUX
ajst-4904	49	17	divided	divide	VERB
ajst-4904	49	18	.	.	PUNCT
ajst-4904	50	1	the	the	DET
ajst-4904	50	2	partitioning	partitioning	NOUN
ajst-4904	50	3	results	result	NOUN
ajst-4904	50	4	are	be	AUX
ajst-4904	50	5	shown	show	VERB
ajst-4904	50	6	in	in	ADP
ajst-4904	50	7	figure	figure	NOUN
ajst-4904	50	8	4	4	NUM
ajst-4904	50	9	.	.	PUNCT
ajst-4904	50	10	figure	figure	VERB
ajst-4904	50	11	4	4	NUM
ajst-4904	50	12	.	.	NOUN
ajst-4904	50	13	bop	bop	NOUN
ajst-4904	50	14	ram	ram	NOUN
ajst-4904	50	15	grid	grid	NOUN
ajst-4904	50	16	model	model	NOUN
ajst-4904	50	17	2.2.3	2.2.3	NUM
ajst-4904	50	18	.	.	PUNCT
ajst-4904	51	1	boundary	boundary	ADJ
ajst-4904	51	2	condition	condition	NOUN
ajst-4904	51	3	setting	set	VERB
ajst-4904	51	4	under	under	ADP
ajst-4904	51	5	the	the	DET
ajst-4904	51	6	condition	condition	NOUN
ajst-4904	51	7	of	of	ADP
ajst-4904	51	8	blowout	blowout	NOUN
ajst-4904	51	9	and	and	CCONJ
ajst-4904	51	10	fully	fully	ADV
ajst-4904	51	11	sealed	seal	VERB
ajst-4904	51	12	wellhead	wellhead	NOUN
ajst-4904	51	13	,	,	PUNCT
ajst-4904	51	14	the	the	DET
ajst-4904	51	15	ram	ram	NOUN
ajst-4904	51	16	is	be	AUX
ajst-4904	51	17	pushed	push	VERB
ajst-4904	51	18	up	up	ADP
ajst-4904	51	19	by	by	ADP
ajst-4904	51	20	a	a	DET
ajst-4904	51	21	positive	positive	ADJ
ajst-4904	51	22	force	force	NOUN
ajst-4904	51	23	along	along	ADP
ajst-4904	51	24	the	the	DET
ajst-4904	51	25	y	y	NOUN
ajst-4904	51	26	-	-	PUNCT
ajst-4904	51	27	axis	axis	NOUN
ajst-4904	51	28	under	under	ADP
ajst-4904	51	29	the	the	DET
ajst-4904	51	30	bottom	bottom	ADJ
ajst-4904	51	31	hole	hole	NOUN
ajst-4904	51	32	pressure	pressure	NOUN
ajst-4904	51	33	,	,	PUNCT
ajst-4904	51	34	and	and	CCONJ
ajst-4904	51	35	the	the	DET
ajst-4904	51	36	interaction	interaction	NOUN
ajst-4904	51	37	between	between	ADP
ajst-4904	51	38	the	the	DET
ajst-4904	51	39	shell	shell	NOUN
ajst-4904	51	40	and	and	CCONJ
ajst-4904	51	41	the	the	DET
ajst-4904	51	42	ram	ram	NOUN
ajst-4904	51	43	is	be	AUX
ajst-4904	51	44	simplified	simplify	VERB
ajst-4904	51	45	as	as	ADP
ajst-4904	51	46	‘	'	PUNCT
ajst-4904	51	47	surface	surface	NOUN
ajst-4904	51	48	-	-	PUNCT
ajst-4904	51	49	surface	surface	NOUN
ajst-4904	51	50	’	'	PUNCT
ajst-4904	51	51	contact	contact	NOUN
ajst-4904	51	52	between	between	ADP
ajst-4904	51	53	the	the	DET
ajst-4904	51	54	upper	upper	ADJ
ajst-4904	51	55	surface	surface	NOUN
ajst-4904	51	56	of	of	ADP
ajst-4904	51	57	the	the	DET
ajst-4904	51	58	ram	ram	NOUN
ajst-4904	51	59	and	and	CCONJ
ajst-4904	51	60	the	the	DET
ajst-4904	51	61	chamber	chamber	NOUN
ajst-4904	51	62	of	of	ADP
ajst-4904	51	63	the	the	DET
ajst-4904	51	64	shell	shell	NOUN
ajst-4904	51	65	.	.	PUNCT
ajst-4904	52	1	when	when	SCONJ
ajst-4904	52	2	in	in	ADP
ajst-4904	52	3	contact	contact	NOUN
ajst-4904	52	4	,	,	PUNCT
ajst-4904	52	5	there	there	PRON
ajst-4904	52	6	is	be	VERB
ajst-4904	52	7	no	no	DET
ajst-4904	52	8	slip	slip	NOUN
ajst-4904	52	9	between	between	ADP
ajst-4904	52	10	the	the	DET
ajst-4904	52	11	ram	ram	NOUN
ajst-4904	52	12	and	and	CCONJ
ajst-4904	52	13	the	the	DET
ajst-4904	52	14	shell	shell	NOUN
ajst-4904	52	15	.	.	PUNCT
ajst-4904	53	1	the	the	DET
ajst-4904	53	2	friction	friction	NOUN
ajst-4904	53	3	formula	formula	NOUN
ajst-4904	53	4	of	of	ADP
ajst-4904	53	5	tangential	tangential	ADJ
ajst-4904	53	6	behavior	behavior	NOUN
ajst-4904	53	7	is	be	AUX
ajst-4904	53	8	rough	rough	ADJ
ajst-4904	53	9	and	and	CCONJ
ajst-4904	53	10	that	that	PRON
ajst-4904	53	11	of	of	ADP
ajst-4904	53	12	normal	normal	ADJ
ajst-4904	53	13	behavior	behavior	NOUN
ajst-4904	53	14	is	be	AUX
ajst-4904	53	15	hard	hard	ADJ
ajst-4904	53	16	contact	contact	NOUN
ajst-4904	53	17	.	.	PUNCT
ajst-4904	54	1	there	there	PRON
ajst-4904	54	2	is	be	VERB
ajst-4904	54	3	no	no	DET
ajst-4904	54	4	contact	contact	NOUN
ajst-4904	54	5	99	99	NUM
ajst-4904	54	6	between	between	ADP
ajst-4904	54	7	the	the	DET
ajst-4904	54	8	lower	low	ADJ
ajst-4904	54	9	surface	surface	NOUN
ajst-4904	54	10	of	of	ADP
ajst-4904	54	11	the	the	DET
ajst-4904	54	12	ram	ram	NOUN
ajst-4904	54	13	and	and	CCONJ
ajst-4904	54	14	the	the	DET
ajst-4904	54	15	chamber	chamber	NOUN
ajst-4904	54	16	of	of	ADP
ajst-4904	54	17	the	the	DET
ajst-4904	54	18	shell	shell	NOUN
ajst-4904	54	19	under	under	ADP
ajst-4904	54	20	pressure	pressure	NOUN
ajst-4904	54	21	.	.	PUNCT
ajst-4904	55	1	the	the	DET
ajst-4904	55	2	interaction	interaction	NOUN
ajst-4904	55	3	between	between	ADP
ajst-4904	55	4	the	the	DET
ajst-4904	55	5	ram	ram	NOUN
ajst-4904	55	6	and	and	CCONJ
ajst-4904	55	7	the	the	DET
ajst-4904	55	8	housing	housing	NOUN
ajst-4904	55	9	is	be	AUX
ajst-4904	55	10	shown	show	VERB
ajst-4904	55	11	in	in	ADP
ajst-4904	55	12	figure	figure	NOUN
ajst-4904	55	13	5	5	NUM
ajst-4904	55	14	:	:	PUNCT
ajst-4904	55	15	figure	figure	NOUN
ajst-4904	55	16	5	5	NUM
ajst-4904	55	17	.	.	PUNCT
ajst-4904	55	18	schematic	schematic	ADJ
ajst-4904	55	19	diagram	diagram	NOUN
ajst-4904	55	20	of	of	ADP
ajst-4904	55	21	the	the	DET
ajst-4904	55	22	interaction	interaction	NOUN
ajst-4904	55	23	between	between	ADP
ajst-4904	55	24	the	the	DET
ajst-4904	55	25	shell	shell	NOUN
ajst-4904	55	26	and	and	CCONJ
ajst-4904	55	27	the	the	DET
ajst-4904	55	28	ram	ram	NOUN
ajst-4904	55	29	the	the	DET
ajst-4904	55	30	integrated	integrate	VERB
ajst-4904	55	31	bop	bop	NOUN
ajst-4904	55	32	is	be	AUX
ajst-4904	55	33	installed	instal	VERB
ajst-4904	55	34	at	at	ADP
ajst-4904	55	35	the	the	DET
ajst-4904	55	36	wellhead	wellhead	NOUN
ajst-4904	55	37	,	,	PUNCT
ajst-4904	55	38	and	and	CCONJ
ajst-4904	55	39	other	other	ADJ
ajst-4904	55	40	drilling	drilling	NOUN
ajst-4904	55	41	tools	tool	NOUN
ajst-4904	55	42	are	be	AUX
ajst-4904	55	43	installed	instal	VERB
ajst-4904	55	44	on	on	ADP
ajst-4904	55	45	the	the	DET
ajst-4904	55	46	upper	upper	ADJ
ajst-4904	55	47	part	part	NOUN
ajst-4904	55	48	,	,	PUNCT
ajst-4904	55	49	which	which	PRON
ajst-4904	55	50	can	can	AUX
ajst-4904	55	51	not	not	PART
ajst-4904	55	52	generate	generate	VERB
ajst-4904	55	53	any	any	DET
ajst-4904	55	54	displacement	displacement	NOUN
ajst-4904	55	55	in	in	ADP
ajst-4904	55	56	the	the	DET
ajst-4904	55	57	actual	actual	ADJ
ajst-4904	55	58	working	working	NOUN
ajst-4904	55	59	process	process	NOUN
ajst-4904	55	60	.	.	PUNCT
ajst-4904	56	1	the	the	DET
ajst-4904	56	2	bop	bop	NOUN
ajst-4904	56	3	housing	housing	NOUN
ajst-4904	56	4	is	be	AUX
ajst-4904	56	5	regarded	regard	VERB
ajst-4904	56	6	as	as	ADP
ajst-4904	56	7	a	a	DET
ajst-4904	56	8	part	part	NOUN
ajst-4904	56	9	with	with	ADP
ajst-4904	56	10	zero	zero	NUM
ajst-4904	56	11	freedom	freedom	NOUN
ajst-4904	56	12	,	,	PUNCT
ajst-4904	56	13	and	and	CCONJ
ajst-4904	56	14	articulated	articulated	ADJ
ajst-4904	56	15	constraints	constraint	NOUN
ajst-4904	56	16	are	be	AUX
ajst-4904	56	17	imposed	impose	VERB
ajst-4904	56	18	on	on	ADP
ajst-4904	56	19	the	the	DET
ajst-4904	56	20	bottom	bottom	NOUN
ajst-4904	56	21	and	and	CCONJ
ajst-4904	56	22	top	top	NOUN
ajst-4904	56	23	of	of	ADP
ajst-4904	56	24	the	the	DET
ajst-4904	56	25	bop	bop	NOUN
ajst-4904	56	26	housing	housing	NOUN
ajst-4904	56	27	.	.	PUNCT
ajst-4904	57	1	when	when	SCONJ
ajst-4904	57	2	simplifying	simplify	VERB
ajst-4904	57	3	the	the	DET
ajst-4904	57	4	bop	bop	NOUN
ajst-4904	57	5	housing	housing	NOUN
ajst-4904	57	6	,	,	PUNCT
ajst-4904	57	7	the	the	DET
ajst-4904	57	8	shell	shell	ADJ
ajst-4904	57	9	shape	shape	NOUN
ajst-4904	57	10	is	be	AUX
ajst-4904	57	11	symmetric	symmetric	ADJ
ajst-4904	57	12	about	about	ADP
ajst-4904	57	13	the	the	DET
ajst-4904	57	14	y	y	PROPN
ajst-4904	57	15	axis	axis	NOUN
ajst-4904	57	16	.	.	PUNCT
ajst-4904	58	1	the	the	DET
ajst-4904	58	2	shell	shell	ADJ
ajst-4904	58	3	crosssection	crosssection	NOUN
ajst-4904	58	4	is	be	AUX
ajst-4904	58	5	set	set	VERB
ajst-4904	58	6	as	as	SCONJ
ajst-4904	58	7	the	the	DET
ajst-4904	58	8	symmetry	symmetry	NOUN
ajst-4904	58	9	plane	plane	NOUN
ajst-4904	58	10	about	about	ADP
ajst-4904	58	11	the	the	DET
ajst-4904	58	12	symmetry	symmetry	NOUN
ajst-4904	58	13	of	of	ADP
ajst-4904	58	14	the	the	DET
ajst-4904	58	15	y	y	PROPN
ajst-4904	58	16	axis.the	axis.the	DET
ajst-4904	58	17	boundary	boundary	ADJ
ajst-4904	58	18	condition	condition	NOUN
ajst-4904	58	19	distribution	distribution	NOUN
ajst-4904	58	20	is	be	AUX
ajst-4904	58	21	shown	show	VERB
ajst-4904	58	22	in	in	ADP
ajst-4904	58	23	figure	figure	NOUN
ajst-4904	58	24	6	6	NUM
ajst-4904	58	25	:	:	PUNCT
ajst-4904	58	26	figure	figure	NOUN
ajst-4904	58	27	6	6	NUM
ajst-4904	58	28	.	.	PUNCT
ajst-4904	58	29	schematic	schematic	ADJ
ajst-4904	58	30	diagram	diagram	NOUN
ajst-4904	58	31	of	of	ADP
ajst-4904	58	32	model	model	NOUN
ajst-4904	58	33	boundary	boundary	ADJ
ajst-4904	58	34	conditions	condition	NOUN
ajst-4904	58	35	the	the	DET
ajst-4904	58	36	designed	design	VERB
ajst-4904	58	37	maximum	maximum	ADJ
ajst-4904	58	38	bearing	bearing	NOUN
ajst-4904	58	39	pressure	pressure	NOUN
ajst-4904	58	40	of	of	ADP
ajst-4904	58	41	the	the	DET
ajst-4904	58	42	integrated	integrate	VERB
ajst-4904	58	43	bop	bop	NOUN
ajst-4904	58	44	is	be	AUX
ajst-4904	58	45	21mpa	21mpa	NOUN
ajst-4904	58	46	blowout	blowout	NOUN
ajst-4904	58	47	pressure	pressure	NOUN
ajst-4904	58	48	.	.	PUNCT
ajst-4904	59	1	when	when	SCONJ
ajst-4904	59	2	setting	set	VERB
ajst-4904	59	3	the	the	DET
ajst-4904	59	4	load	load	NOUN
ajst-4904	59	5	boundary	boundary	ADJ
ajst-4904	59	6	conditions	condition	NOUN
ajst-4904	59	7	,	,	PUNCT
ajst-4904	59	8	the	the	DET
ajst-4904	59	9	rated	rate	VERB
ajst-4904	59	10	working	work	VERB
ajst-4904	59	11	pressure	pressure	NOUN
ajst-4904	59	12	of	of	ADP
ajst-4904	59	13	the	the	DET
ajst-4904	59	14	integrated	integrate	VERB
ajst-4904	59	15	bop	bop	NOUN
ajst-4904	59	16	with	with	ADP
ajst-4904	59	17	a	a	DET
ajst-4904	59	18	size	size	NOUN
ajst-4904	59	19	of	of	ADP
ajst-4904	59	20	21mpa	21mpa	NOUN
ajst-4904	59	21	is	be	AUX
ajst-4904	59	22	evenly	evenly	ADV
ajst-4904	59	23	distributed	distribute	VERB
ajst-4904	59	24	on	on	ADP
ajst-4904	59	25	the	the	DET
ajst-4904	59	26	lower	low	ADJ
ajst-4904	59	27	surface	surface	NOUN
ajst-4904	59	28	of	of	ADP
ajst-4904	59	29	the	the	DET
ajst-4904	59	30	ram	ram	NOUN
ajst-4904	59	31	,	,	PUNCT
ajst-4904	59	32	the	the	DET
ajst-4904	59	33	lower	low	ADJ
ajst-4904	59	34	surface	surface	NOUN
ajst-4904	59	35	of	of	ADP
ajst-4904	59	36	the	the	DET
ajst-4904	59	37	bop	bop	NOUN
ajst-4904	59	38	shell	shell	NOUN
ajst-4904	59	39	and	and	CCONJ
ajst-4904	59	40	the	the	DET
ajst-4904	59	41	surface	surface	NOUN
ajst-4904	59	42	of	of	ADP
ajst-4904	59	43	the	the	DET
ajst-4904	59	44	four	four	NUM
ajst-4904	59	45	way	way	NOUN
ajst-4904	59	46	outlet	outlet	NOUN
ajst-4904	59	47	in	in	ADP
ajst-4904	59	48	the	the	DET
ajst-4904	59	49	form	form	NOUN
ajst-4904	59	50	of	of	ADP
ajst-4904	59	51	load	load	NOUN
ajst-4904	59	52	pressure	pressure	NOUN
ajst-4904	59	53	.	.	PUNCT
ajst-4904	60	1	the	the	DET
ajst-4904	60	2	load	load	NOUN
ajst-4904	60	3	distribution	distribution	NOUN
ajst-4904	60	4	is	be	AUX
ajst-4904	60	5	shown	show	VERB
ajst-4904	60	6	in	in	ADP
ajst-4904	60	7	figure	figure	NOUN
ajst-4904	60	8	7	7	NUM
ajst-4904	60	9	.	.	PUNCT
ajst-4904	60	10	figure	figure	VERB
ajst-4904	60	11	7	7	NUM
ajst-4904	60	12	.	.	PUNCT
ajst-4904	60	13	schematic	schematic	ADJ
ajst-4904	60	14	diagram	diagram	NOUN
ajst-4904	60	15	of	of	ADP
ajst-4904	60	16	load	load	NOUN
ajst-4904	60	17	boundary	boundary	ADJ
ajst-4904	60	18	conditions	condition	NOUN
ajst-4904	60	19	of	of	ADP
ajst-4904	60	20	the	the	DET
ajst-4904	60	21	model	model	NOUN
ajst-4904	60	22	the	the	DET
ajst-4904	60	23	side	side	NOUN
ajst-4904	60	24	doors	door	NOUN
ajst-4904	60	25	of	of	ADP
ajst-4904	60	26	the	the	DET
ajst-4904	60	27	bop	bop	NOUN
ajst-4904	60	28	are	be	AUX
ajst-4904	60	29	bolted	bolt	VERB
ajst-4904	60	30	to	to	ADP
ajst-4904	60	31	the	the	DET
ajst-4904	60	32	bop	bop	NOUN
ajst-4904	60	33	housing	housing	NOUN
ajst-4904	60	34	and	and	CCONJ
ajst-4904	60	35	are	be	AUX
ajst-4904	60	36	used	use	VERB
ajst-4904	60	37	to	to	PART
ajst-4904	60	38	hold	hold	VERB
ajst-4904	60	39	the	the	DET
ajst-4904	60	40	ram	ram	NOUN
ajst-4904	60	41	and	and	CCONJ
ajst-4904	60	42	seal	seal	VERB
ajst-4904	60	43	it.when	it.when	ADV
ajst-4904	60	44	the	the	DET
ajst-4904	60	45	blowout	blowout	NOUN
ajst-4904	60	46	is	be	AUX
ajst-4904	60	47	fully	fully	ADV
ajst-4904	60	48	sealed	seal	VERB
ajst-4904	60	49	,	,	PUNCT
ajst-4904	60	50	the	the	DET
ajst-4904	60	51	side	side	NOUN
ajst-4904	60	52	door	door	NOUN
ajst-4904	60	53	will	will	AUX
ajst-4904	60	54	also	also	ADV
ajst-4904	60	55	be	be	AUX
ajst-4904	60	56	subject	subject	ADJ
ajst-4904	60	57	to	to	ADP
ajst-4904	60	58	the	the	DET
ajst-4904	60	59	bottom	bottom	ADJ
ajst-4904	60	60	hole	hole	NOUN
ajst-4904	60	61	pressure	pressure	NOUN
ajst-4904	60	62	due	due	ADP
ajst-4904	60	63	to	to	ADP
ajst-4904	60	64	the	the	DET
ajst-4904	60	65	sealing	sealing	NOUN
ajst-4904	60	66	.	.	PUNCT
ajst-4904	61	1	the	the	DET
ajst-4904	61	2	pressure	pressure	NOUN
ajst-4904	61	3	is	be	AUX
ajst-4904	61	4	transferred	transfer	VERB
ajst-4904	61	5	to	to	ADP
ajst-4904	61	6	the	the	DET
ajst-4904	61	7	plane	plane	NOUN
ajst-4904	61	8	of	of	ADP
ajst-4904	61	9	the	the	DET
ajst-4904	61	10	side	side	NOUN
ajst-4904	61	11	door	door	NOUN
ajst-4904	61	12	of	of	ADP
ajst-4904	61	13	the	the	DET
ajst-4904	61	14	blowout	blowout	NOUN
ajst-4904	61	15	preventer	preventer	NOUN
ajst-4904	61	16	shell	shell	NOUN
ajst-4904	61	17	through	through	ADP
ajst-4904	61	18	the	the	DET
ajst-4904	61	19	bolt	bolt	NOUN
ajst-4904	61	20	.	.	PUNCT
ajst-4904	62	1	therefore	therefore	ADV
ajst-4904	62	2	,	,	PUNCT
ajst-4904	62	3	the	the	DET
ajst-4904	62	4	working	work	VERB
ajst-4904	62	5	pressure	pressure	NOUN
ajst-4904	62	6	of	of	ADP
ajst-4904	62	7	5.6mpa	5.6mpa	NUM
ajst-4904	62	8	along	along	ADP
ajst-4904	62	9	the	the	DET
ajst-4904	62	10	positive	positive	ADJ
ajst-4904	62	11	direction	direction	NOUN
ajst-4904	62	12	of	of	ADP
ajst-4904	62	13	the	the	DET
ajst-4904	62	14	z	z	NOUN
ajst-4904	62	15	axis	axis	NOUN
ajst-4904	62	16	is	be	AUX
ajst-4904	62	17	applied	apply	VERB
ajst-4904	62	18	to	to	ADP
ajst-4904	62	19	this	this	DET
ajst-4904	62	20	plane.the	plane.the	NOUN
ajst-4904	62	21	load	load	NOUN
ajst-4904	62	22	distribution	distribution	NOUN
ajst-4904	62	23	is	be	AUX
ajst-4904	62	24	shown	show	VERB
ajst-4904	62	25	in	in	ADP
ajst-4904	62	26	figure	figure	NOUN
ajst-4904	62	27	8	8	NUM
ajst-4904	62	28	.	.	PUNCT
ajst-4904	63	1	figure	figure	NOUN
ajst-4904	63	2	8	8	NUM
ajst-4904	63	3	.	.	PUNCT
ajst-4904	64	1	schematic	schematic	ADJ
ajst-4904	64	2	diagram	diagram	NOUN
ajst-4904	64	3	of	of	ADP
ajst-4904	64	4	model	model	NOUN
ajst-4904	64	5	load	load	NOUN
ajst-4904	64	6	boundary	boundary	ADJ
ajst-4904	64	7	conditions	condition	NOUN
ajst-4904	64	8	3	3	NUM
ajst-4904	64	9	.	.	PUNCT
ajst-4904	64	10	analysis	analysis	NOUN
ajst-4904	64	11	of	of	ADP
ajst-4904	64	12	calculation	calculation	NOUN
ajst-4904	64	13	results	result	VERB
ajst-4904	64	14	through	through	ADP
ajst-4904	64	15	calculation	calculation	NOUN
ajst-4904	64	16	,	,	PUNCT
ajst-4904	64	17	it	it	PRON
ajst-4904	64	18	can	can	AUX
ajst-4904	64	19	be	be	AUX
ajst-4904	64	20	concluded	conclude	VERB
ajst-4904	64	21	that	that	SCONJ
ajst-4904	64	22	the	the	DET
ajst-4904	64	23	stress	stress	NOUN
ajst-4904	64	24	and	and	CCONJ
ajst-4904	64	25	strain	strain	VERB
ajst-4904	64	26	distribution	distribution	NOUN
ajst-4904	64	27	of	of	ADP
ajst-4904	64	28	the	the	DET
ajst-4904	64	29	integrated	integrate	VERB
ajst-4904	64	30	bop	bop	NOUN
ajst-4904	64	31	under	under	ADP
ajst-4904	64	32	21mpa	21mpa	NOUN
ajst-4904	64	33	blowout	blowout	NOUN
ajst-4904	64	34	pressure	pressure	NOUN
ajst-4904	64	35	when	when	SCONJ
ajst-4904	64	36	the	the	DET
ajst-4904	64	37	wellhead	wellhead	NOUN
ajst-4904	64	38	is	be	AUX
ajst-4904	64	39	fully	fully	ADV
ajst-4904	64	40	sealed	seal	VERB
ajst-4904	64	41	,	,	PUNCT
ajst-4904	64	42	figure	figure	NOUN
ajst-4904	64	43	9	9	NUM
ajst-4904	64	44	shows	show	VERB
ajst-4904	64	45	the	the	DET
ajst-4904	64	46	mises	mises	PROPN
ajst-4904	64	47	stress	stress	VERB
ajst-4904	64	48	nephograph	nephograph	NOUN
ajst-4904	64	49	of	of	ADP
ajst-4904	64	50	the	the	DET
ajst-4904	64	51	integrated	integrate	VERB
ajst-4904	64	52	bop	bop	NOUN
ajst-4904	64	53	shell	shell	NOUN
ajst-4904	64	54	and	and	CCONJ
ajst-4904	64	55	ram.as	ram.as	NOUN
ajst-4904	64	56	shown	show	VERB
ajst-4904	64	57	in	in	ADP
ajst-4904	64	58	the	the	DET
ajst-4904	64	59	figure	figure	NOUN
ajst-4904	64	60	,	,	PUNCT
ajst-4904	64	61	stress	stress	ADJ
ajst-4904	64	62	concentration	concentration	NOUN
ajst-4904	64	63	exists	exist	VERB
ajst-4904	64	64	in	in	ADP
ajst-4904	64	65	the	the	DET
ajst-4904	64	66	integrated	integrate	VERB
ajst-4904	64	67	bop	bop	NOUN
ajst-4904	64	68	shell	shell	NOUN
ajst-4904	64	69	at	at	ADP
ajst-4904	64	70	the	the	DET
ajst-4904	64	71	four	four	NUM
ajst-4904	64	72	-	-	PUNCT
ajst-4904	64	73	way	way	NOUN
ajst-4904	64	74	outlet	outlet	NOUN
ajst-4904	64	75	and	and	CCONJ
ajst-4904	64	76	where	where	SCONJ
ajst-4904	64	77	the	the	DET
ajst-4904	64	78	annular	annular	ADJ
ajst-4904	64	79	bop	bop	NOUN
ajst-4904	64	80	seal	seal	NOUN
ajst-4904	64	81	groove	groove	NOUN
ajst-4904	64	82	is	be	AUX
ajst-4904	64	83	installed.the	installed.the	DET
ajst-4904	64	84	upper	upper	ADJ
ajst-4904	64	85	surface	surface	NOUN
ajst-4904	64	86	of	of	ADP
ajst-4904	64	87	the	the	DET
ajst-4904	64	88	ram	ram	NOUN
ajst-4904	64	89	and	and	CCONJ
ajst-4904	64	90	the	the	DET
ajst-4904	64	91	upper	upper	ADJ
ajst-4904	64	92	surface	surface	NOUN
ajst-4904	64	93	of	of	ADP
ajst-4904	64	94	the	the	DET
ajst-4904	64	95	ram	ram	NOUN
ajst-4904	64	96	cavity	cavity	NOUN
ajst-4904	64	97	of	of	ADP
ajst-4904	64	98	the	the	DET
ajst-4904	64	99	bop	bop	NOUN
ajst-4904	64	100	housing	housing	NOUN
ajst-4904	64	101	,	,	PUNCT
ajst-4904	64	102	that	that	ADV
ajst-4904	64	103	is	is	ADV
ajst-4904	64	104	,	,	PUNCT
ajst-4904	64	105	the	the	DET
ajst-4904	64	106	contact	contact	NOUN
ajst-4904	64	107	surface	surface	NOUN
ajst-4904	64	108	between	between	ADP
ajst-4904	64	109	the	the	DET
ajst-4904	64	110	ram	ram	NOUN
ajst-4904	64	111	and	and	CCONJ
ajst-4904	64	112	the	the	DET
ajst-4904	64	113	ram	ram	NOUN
ajst-4904	64	114	cavity	cavity	NOUN
ajst-4904	64	115	,	,	PUNCT
ajst-4904	64	116	is	be	AUX
ajst-4904	64	117	near	near	ADP
ajst-4904	64	118	the	the	DET
ajst-4904	64	119	annulus	annulus	NOUN
ajst-4904	64	120	where	where	SCONJ
ajst-4904	64	121	the	the	DET
ajst-4904	64	122	stress	stress	NOUN
ajst-4904	64	123	is	be	AUX
ajst-4904	64	124	the	the	DET
ajst-4904	64	125	greatest	great	ADJ
ajst-4904	64	126	,	,	PUNCT
ajst-4904	64	127	up	up	ADP
ajst-4904	64	128	to	to	ADP
ajst-4904	64	129	459mpa	459mpa	NUM
ajst-4904	64	130	.	.	PUNCT
ajst-4904	65	1	this	this	PRON
ajst-4904	65	2	is	be	AUX
ajst-4904	65	3	the	the	DET
ajst-4904	65	4	weakest	weak	ADJ
ajst-4904	65	5	position	position	NOUN
ajst-4904	65	6	of	of	ADP
ajst-4904	65	7	the	the	DET
ajst-4904	65	8	entire	entire	ADJ
ajst-4904	65	9	structure	structure	NOUN
ajst-4904	65	10	of	of	ADP
ajst-4904	65	11	the	the	DET
ajst-4904	65	12	bop.referring	bop.referring	NOUN
ajst-4904	65	13	to	to	ADP
ajst-4904	65	14	the	the	DET
ajst-4904	65	15	mechanical	mechanical	ADJ
ajst-4904	65	16	engineering	engineering	NOUN
ajst-4904	65	17	manual	manual	NOUN
ajst-4904	65	18	,	,	PUNCT
ajst-4904	65	19	it	it	PRON
ajst-4904	65	20	is	be	AUX
ajst-4904	65	21	known	know	VERB
ajst-4904	65	22	that	that	SCONJ
ajst-4904	65	23	the	the	DET
ajst-4904	65	24	yield	yield	NOUN
ajst-4904	65	25	limit	limit	NOUN
ajst-4904	65	26	of	of	ADP
ajst-4904	65	27	the	the	DET
ajst-4904	65	28	modulated	modulate	VERB
ajst-4904	65	29	synthetic	synthetic	ADJ
ajst-4904	65	30	steel	steel	NOUN
ajst-4904	65	31	is	be	AUX
ajst-4904	65	32	517mpa	517mpa	NUM
ajst-4904	65	33	,	,	PUNCT
ajst-4904	65	34	so	so	CCONJ
ajst-4904	65	35	the	the	DET
ajst-4904	65	36	shell	shell	NOUN
ajst-4904	65	37	design	design	NOUN
ajst-4904	65	38	meets	meet	VERB
ajst-4904	65	39	the	the	DET
ajst-4904	65	40	design	design	NOUN
ajst-4904	65	41	requirements	requirement	NOUN
ajst-4904	65	42	and	and	CCONJ
ajst-4904	65	43	can	can	AUX
ajst-4904	65	44	meet	meet	VERB
ajst-4904	65	45	the	the	DET
ajst-4904	65	46	working	work	VERB
ajst-4904	65	47	conditions	condition	NOUN
ajst-4904	65	48	.	.	PUNCT
ajst-4904	66	1	figure	figure	NOUN
ajst-4904	66	2	9	9	NUM
ajst-4904	66	3	.	.	PUNCT
ajst-4904	67	1	mises	mise	NOUN
ajst-4904	67	2	strain	strain	VERB
ajst-4904	67	3	cloud	cloud	NOUN
ajst-4904	67	4	map	map	NOUN
ajst-4904	67	5	figure	figure	NOUN
ajst-4904	67	6	10	10	NUM
ajst-4904	67	7	shows	show	VERB
ajst-4904	67	8	the	the	DET
ajst-4904	67	9	deformation	deformation	NOUN
ajst-4904	67	10	and	and	CCONJ
ajst-4904	67	11	displacement	displacement	ADJ
ajst-4904	67	12	nephogram	nephogram	NOUN
ajst-4904	67	13	of	of	ADP
ajst-4904	67	14	the	the	DET
ajst-4904	67	15	integrated	integrate	VERB
ajst-4904	67	16	bop	bop	NOUN
ajst-4904	67	17	shell	shell	NOUN
ajst-4904	67	18	and	and	CCONJ
ajst-4904	67	19	ram	ram	VERB
ajst-4904	67	20	in	in	ADP
ajst-4904	67	21	x	x	PROPN
ajst-4904	67	22	,	,	PUNCT
ajst-4904	67	23	y	y	PROPN
ajst-4904	67	24	and	and	CCONJ
ajst-4904	67	25	z	z	NOUN
ajst-4904	67	26	directions	direction	NOUN
ajst-4904	67	27	and	and	CCONJ
ajst-4904	67	28	the	the	DET
ajst-4904	67	29	total	total	ADJ
ajst-4904	67	30	deformation	deformation	NOUN
ajst-4904	67	31	and	and	CCONJ
ajst-4904	67	32	displacement	displacement	NOUN
ajst-4904	67	33	nephogram.as	nephogram.as	NOUN
ajst-4904	67	34	shown	show	VERB
ajst-4904	67	35	in	in	ADP
ajst-4904	67	36	the	the	DET
ajst-4904	67	37	figure	figure	NOUN
ajst-4904	67	38	,	,	PUNCT
ajst-4904	67	39	under	under	ADP
ajst-4904	67	40	the	the	DET
ajst-4904	67	41	condition	condition	NOUN
ajst-4904	67	42	of	of	ADP
ajst-4904	67	43	fully	fully	ADV
ajst-4904	67	44	sealed	seal	VERB
ajst-4904	67	45	wellhead	wellhead	NOUN
ajst-4904	67	46	and	and	CCONJ
ajst-4904	67	47	blowout	blowout	NOUN
ajst-4904	67	48	pressure	pressure	NOUN
ajst-4904	67	49	of	of	ADP
ajst-4904	67	50	21mpa	21mpa	NOUN
ajst-4904	67	51	,	,	PUNCT
ajst-4904	67	52	the	the	DET
ajst-4904	67	53	structural	structural	ADJ
ajst-4904	67	54	strength	strength	NOUN
ajst-4904	67	55	of	of	ADP
ajst-4904	67	56	the	the	DET
ajst-4904	67	57	four	four	NUM
ajst-4904	67	58	-	-	PUNCT
ajst-4904	67	59	way	way	NOUN
ajst-4904	67	60	exit	exit	NOUN
ajst-4904	67	61	decreases	decrease	VERB
ajst-4904	67	62	due	due	ADJ
ajst-4904	67	63	to	to	ADP
ajst-4904	67	64	structural	structural	ADJ
ajst-4904	67	65	mutation	mutation	NOUN
ajst-4904	67	66	and	and	CCONJ
ajst-4904	67	67	wall	wall	NOUN
ajst-4904	67	68	thickness	thickness	PROPN
ajst-4904	67	69	thinning	thinning	NOUN
ajst-4904	67	70	.	.	PUNCT
ajst-4904	68	1	here	here	ADV
ajst-4904	68	2	,	,	PUNCT
ajst-4904	68	3	the	the	DET
ajst-4904	68	4	deformation	deformation	NOUN
ajst-4904	68	5	displacement	displacement	NOUN
ajst-4904	68	6	in	in	ADP
ajst-4904	68	7	x	x	PUNCT
ajst-4904	68	8	direction	direction	NOUN
ajst-4904	68	9	and	and	CCONJ
ajst-4904	68	10	z	z	NOUN
ajst-4904	68	11	direction	direction	NOUN
ajst-4904	68	12	is	be	AUX
ajst-4904	68	13	the	the	DET
ajst-4904	68	14	largest	large	ADJ
ajst-4904	68	15	,	,	PUNCT
ajst-4904	68	16	with	with	ADP
ajst-4904	68	17	the	the	DET
ajst-4904	68	18	deformation	deformation	NOUN
ajst-4904	68	19	displacement	displacement	NOUN
ajst-4904	68	20	in	in	ADP
ajst-4904	68	21	x	x	PART
ajst-4904	68	22	direction	direction	NOUN
ajst-4904	68	23	up	up	ADP
ajst-4904	68	24	to	to	PART
ajst-4904	68	25	0.17	0.17	NUM
ajst-4904	68	26	mm	mm	NOUN
ajst-4904	68	27	and	and	CCONJ
ajst-4904	68	28	the	the	DET
ajst-4904	68	29	deformation	deformation	NOUN
ajst-4904	68	30	displacement	displacement	NOUN
ajst-4904	68	31	in	in	ADP
ajst-4904	68	32	z	z	NOUN
ajst-4904	68	33	direction	direction	NOUN
ajst-4904	68	34	up	up	ADP
ajst-4904	68	35	to	to	PART
ajst-4904	68	36	0.10mm.because	0.10mm.because	VERB
ajst-4904	68	37	the	the	DET
ajst-4904	68	38	ram	ram	NOUN
ajst-4904	68	39	mainly	mainly	ADV
ajst-4904	68	40	bears	bear	VERB
ajst-4904	68	41	the	the	DET
ajst-4904	68	42	stress	stress	NOUN
ajst-4904	68	43	in	in	ADP
ajst-4904	68	44	the	the	DET
ajst-4904	68	45	y	y	PROPN
ajst-4904	68	46	direction	direction	NOUN
ajst-4904	68	47	in	in	ADP
ajst-4904	68	48	the	the	DET
ajst-4904	68	49	work	work	NOUN
ajst-4904	68	50	project	project	NOUN
ajst-4904	68	51	,	,	PUNCT
ajst-4904	68	52	and	and	CCONJ
ajst-4904	68	53	the	the	DET
ajst-4904	68	54	ram	ram	NOUN
ajst-4904	68	55	cavity	cavity	NOUN
ajst-4904	68	56	is	be	AUX
ajst-4904	68	57	relatively	relatively	ADV
ajst-4904	68	58	low	low	ADJ
ajst-4904	68	59	,	,	PUNCT
ajst-4904	68	60	the	the	DET
ajst-4904	68	61	maximum	maximum	ADJ
ajst-4904	68	62	deformation	deformation	NOUN
ajst-4904	68	63	displacement	displacement	NOUN
ajst-4904	68	64	in	in	ADP
ajst-4904	68	65	the	the	DET
ajst-4904	68	66	100	100	NUM
ajst-4904	68	67	y	y	PROPN
ajst-4904	68	68	direction	direction	NOUN
ajst-4904	68	69	occurs	occur	VERB
ajst-4904	68	70	at	at	ADP
ajst-4904	68	71	the	the	DET
ajst-4904	68	72	ram	ram	NOUN
ajst-4904	68	73	,	,	PUNCT
ajst-4904	68	74	up	up	ADP
ajst-4904	68	75	to	to	ADP
ajst-4904	68	76	0.10mm.the	0.10mm.the	DET
ajst-4904	68	77	total	total	ADJ
ajst-4904	68	78	deformation	deformation	NOUN
ajst-4904	68	79	and	and	CCONJ
ajst-4904	68	80	displacement	displacement	ADJ
ajst-4904	68	81	nephogram	nephogram	NOUN
ajst-4904	68	82	of	of	ADP
ajst-4904	68	83	the	the	DET
ajst-4904	68	84	bop	bop	NOUN
ajst-4904	68	85	was	be	AUX
ajst-4904	68	86	obtained	obtain	VERB
ajst-4904	68	87	by	by	ADP
ajst-4904	68	88	the	the	DET
ajst-4904	68	89	sum	sum	NOUN
ajst-4904	68	90	of	of	ADP
ajst-4904	68	91	the	the	DET
ajst-4904	68	92	deformation	deformation	NOUN
ajst-4904	68	93	and	and	CCONJ
ajst-4904	68	94	displacement	displacement	NOUN
ajst-4904	68	95	in	in	ADP
ajst-4904	68	96	the	the	DET
ajst-4904	68	97	x	x	PROPN
ajst-4904	68	98	,	,	PUNCT
ajst-4904	68	99	y	y	PROPN
ajst-4904	68	100	and	and	CCONJ
ajst-4904	68	101	z	z	NOUN
ajst-4904	68	102	directions	direction	NOUN
ajst-4904	68	103	.	.	PUNCT
ajst-4904	69	1	the	the	DET
ajst-4904	69	2	maximum	maximum	ADJ
ajst-4904	69	3	deformation	deformation	NOUN
ajst-4904	69	4	and	and	CCONJ
ajst-4904	69	5	displacement	displacement	NOUN
ajst-4904	69	6	of	of	ADP
ajst-4904	69	7	the	the	DET
ajst-4904	69	8	bop	bop	NOUN
ajst-4904	69	9	was	be	AUX
ajst-4904	69	10	0.12	0.12	NUM
ajst-4904	69	11	mm	mm	NOUN
ajst-4904	69	12	at	at	ADP
ajst-4904	69	13	the	the	DET
ajst-4904	69	14	gate	gate	NOUN
ajst-4904	69	15	and	and	CCONJ
ajst-4904	69	16	four	four	NUM
ajst-4904	69	17	outlet.to	outlet.to	PRON
ajst-4904	69	18	sum	sum	VERB
ajst-4904	69	19	up	up	ADP
ajst-4904	69	20	:	:	PUNCT
ajst-4904	69	21	under	under	ADP
ajst-4904	69	22	the	the	DET
ajst-4904	69	23	fully	fully	ADV
ajst-4904	69	24	sealed	seal	VERB
ajst-4904	69	25	wellhead	wellhead	NOUN
ajst-4904	69	26	and	and	CCONJ
ajst-4904	69	27	21mpa	21mpa	NOUN
ajst-4904	69	28	working	working	NOUN
ajst-4904	69	29	pressure	pressure	NOUN
ajst-4904	69	30	,	,	PUNCT
ajst-4904	69	31	the	the	DET
ajst-4904	69	32	deformation	deformation	NOUN
ajst-4904	69	33	displacement	displacement	NOUN
ajst-4904	69	34	and	and	CCONJ
ajst-4904	69	35	total	total	ADJ
ajst-4904	69	36	deformation	deformation	NOUN
ajst-4904	69	37	displacement	displacement	NOUN
ajst-4904	69	38	of	of	ADP
ajst-4904	69	39	the	the	DET
ajst-4904	69	40	integrated	integrate	VERB
ajst-4904	69	41	bop	bop	NOUN
ajst-4904	69	42	in	in	ADP
ajst-4904	69	43	the	the	DET
ajst-4904	69	44	x	x	PROPN
ajst-4904	69	45	,	,	PUNCT
ajst-4904	69	46	y	y	PROPN
ajst-4904	69	47	and	and	CCONJ
ajst-4904	69	48	z	z	NOUN
ajst-4904	69	49	directions	direction	NOUN
ajst-4904	69	50	all	all	PRON
ajst-4904	69	51	meet	meet	VERB
ajst-4904	69	52	the	the	DET
ajst-4904	69	53	design	design	NOUN
ajst-4904	69	54	requirements	requirement	NOUN
ajst-4904	69	55	and	and	CCONJ
ajst-4904	69	56	can	can	AUX
ajst-4904	69	57	meet	meet	VERB
ajst-4904	69	58	the	the	DET
ajst-4904	69	59	working	work	VERB
ajst-4904	69	60	conditions	condition	NOUN
ajst-4904	69	61	.	.	PUNCT
ajst-4904	70	1	(	(	PUNCT
ajst-4904	70	2	a	a	X
ajst-4904	70	3	)	)	PUNCT
ajst-4904	70	4	x	x	NOUN
ajst-4904	70	5	-	-	NOUN
ajst-4904	70	6	direction	direction	NOUN
ajst-4904	70	7	deformation	deformation	NOUN
ajst-4904	70	8	(	(	PUNCT
ajst-4904	70	9	b	b	X
ajst-4904	70	10	)	)	PUNCT
ajst-4904	70	11	y	y	ADJ
ajst-4904	70	12	-	-	PUNCT
ajst-4904	70	13	direction	direction	NOUN
ajst-4904	70	14	deformation	deformation	NOUN
ajst-4904	70	15	(	(	PUNCT
ajst-4904	70	16	c	c	NOUN
ajst-4904	70	17	)	)	PUNCT
ajst-4904	70	18	z	z	NOUN
ajst-4904	70	19	-	-	PUNCT
ajst-4904	70	20	direction	direction	NOUN
ajst-4904	70	21	deformation	deformation	NOUN
ajst-4904	70	22	(	(	PUNCT
ajst-4904	70	23	d	d	NOUN
ajst-4904	70	24	)	)	PUNCT
ajst-4904	70	25	total	total	ADJ
ajst-4904	70	26	deformation	deformation	NOUN
ajst-4904	70	27	figure	figure	NOUN
ajst-4904	70	28	10	10	NUM
ajst-4904	70	29	.	.	PUNCT
ajst-4904	71	1	deformation	deformation	NOUN
ajst-4904	71	2	and	and	CCONJ
ajst-4904	71	3	displacement	displacement	ADJ
ajst-4904	71	4	nephogram	nephogram	NOUN
ajst-4904	71	5	4	4	NUM
ajst-4904	71	6	.	.	PUNCT
ajst-4904	71	7	summary	summary	NOUN
ajst-4904	71	8	in	in	ADP
ajst-4904	71	9	view	view	NOUN
ajst-4904	71	10	of	of	ADP
ajst-4904	71	11	the	the	DET
ajst-4904	71	12	shortcomings	shortcoming	NOUN
ajst-4904	71	13	of	of	ADP
ajst-4904	71	14	the	the	DET
ajst-4904	71	15	existing	exist	VERB
ajst-4904	71	16	bop	bop	NOUN
ajst-4904	71	17	,	,	PUNCT
ajst-4904	71	18	such	such	ADJ
ajst-4904	71	19	as	as	ADP
ajst-4904	71	20	many	many	ADJ
ajst-4904	71	21	sealing	seal	VERB
ajst-4904	71	22	leakage	leakage	NOUN
ajst-4904	71	23	points	point	NOUN
ajst-4904	71	24	,	,	PUNCT
ajst-4904	71	25	low	low	ADJ
ajst-4904	71	26	life	life	NOUN
ajst-4904	71	27	,	,	PUNCT
ajst-4904	71	28	large	large	ADJ
ajst-4904	71	29	volume	volume	NOUN
ajst-4904	71	30	,	,	PUNCT
ajst-4904	71	31	large	large	ADJ
ajst-4904	71	32	weight	weight	NOUN
ajst-4904	71	33	,	,	PUNCT
ajst-4904	71	34	high	high	ADJ
ajst-4904	71	35	height	height	NOUN
ajst-4904	71	36	,	,	PUNCT
ajst-4904	71	37	timeconsuming	timeconsuming	NOUN
ajst-4904	71	38	and	and	CCONJ
ajst-4904	71	39	labor	labor	NOUN
ajst-4904	71	40	-	-	PUNCT
ajst-4904	71	41	intensive	intensive	ADJ
ajst-4904	71	42	installation	installation	NOUN
ajst-4904	71	43	,	,	PUNCT
ajst-4904	71	44	this	this	DET
ajst-4904	71	45	paper	paper	NOUN
ajst-4904	71	46	combines	combine	VERB
ajst-4904	71	47	the	the	DET
ajst-4904	71	48	annular	annular	ADJ
ajst-4904	71	49	bop	bop	NOUN
ajst-4904	71	50	and	and	CCONJ
ajst-4904	71	51	the	the	DET
ajst-4904	71	52	ram	ram	NOUN
ajst-4904	71	53	bop	bop	INTJ
ajst-4904	71	54	,	,	PUNCT
ajst-4904	71	55	puts	put	VERB
ajst-4904	71	56	forward	forward	ADV
ajst-4904	71	57	the	the	DET
ajst-4904	71	58	design	design	NOUN
ajst-4904	71	59	scheme	scheme	NOUN
ajst-4904	71	60	of	of	ADP
ajst-4904	71	61	the	the	DET
ajst-4904	71	62	integrated	integrate	VERB
ajst-4904	71	63	bop	bop	NOUN
ajst-4904	71	64	,	,	PUNCT
ajst-4904	71	65	and	and	CCONJ
ajst-4904	71	66	analyzes	analyze	VERB
ajst-4904	71	67	the	the	DET
ajst-4904	71	68	structural	structural	ADJ
ajst-4904	71	69	reliability	reliability	NOUN
ajst-4904	71	70	of	of	ADP
ajst-4904	71	71	the	the	DET
ajst-4904	71	72	integrated	integrate	VERB
ajst-4904	71	73	bop	bop	NOUN
ajst-4904	71	74	for	for	ADP
ajst-4904	71	75	the	the	DET
ajst-4904	71	76	limit	limit	NOUN
ajst-4904	71	77	design	design	NOUN
ajst-4904	71	78	condition	condition	NOUN
ajst-4904	71	79	of	of	ADP
ajst-4904	71	80	the	the	DET
ajst-4904	71	81	fully	fully	ADV
ajst-4904	71	82	sealed	seal	VERB
ajst-4904	71	83	wellhead	wellhead	NOUN
ajst-4904	71	84	and	and	CCONJ
ajst-4904	71	85	21mpa	21mpa	NOUN
ajst-4904	71	86	blowout	blowout	NOUN
ajst-4904	71	87	pressure.the	pressure.the	DET
ajst-4904	71	88	analysis	analysis	NOUN
ajst-4904	71	89	results	result	NOUN
ajst-4904	71	90	show	show	VERB
ajst-4904	71	91	that	that	SCONJ
ajst-4904	71	92	,	,	PUNCT
ajst-4904	71	93	because	because	SCONJ
ajst-4904	71	94	the	the	DET
ajst-4904	71	95	integrated	integrate	VERB
ajst-4904	71	96	bop	bop	NOUN
ajst-4904	71	97	uses	use	VERB
ajst-4904	71	98	the	the	DET
ajst-4904	71	99	integrated	integrate	VERB
ajst-4904	71	100	shell	shell	NOUN
ajst-4904	71	101	,	,	PUNCT
ajst-4904	71	102	does	do	AUX
ajst-4904	71	103	not	not	PART
ajst-4904	71	104	need	need	VERB
ajst-4904	71	105	to	to	PART
ajst-4904	71	106	use	use	VERB
ajst-4904	71	107	the	the	DET
ajst-4904	71	108	flange	flange	NOUN
ajst-4904	71	109	connection	connection	NOUN
ajst-4904	71	110	,	,	PUNCT
ajst-4904	71	111	less	less	ADJ
ajst-4904	71	112	leakage	leakage	NOUN
ajst-4904	71	113	points	point	NOUN
ajst-4904	71	114	,	,	PUNCT
ajst-4904	71	115	can	can	AUX
ajst-4904	71	116	greatly	greatly	ADV
ajst-4904	71	117	improve	improve	VERB
ajst-4904	71	118	the	the	DET
ajst-4904	71	119	traditional	traditional	ADJ
ajst-4904	71	120	bop	bop	INTJ
ajst-4904	71	121	short	short	ADJ
ajst-4904	71	122	life	life	NOUN
ajst-4904	71	123	,	,	PUNCT
ajst-4904	71	124	easy	easy	ADJ
ajst-4904	71	125	to	to	PART
ajst-4904	71	126	leak	leak	VERB
ajst-4904	71	127	and	and	CCONJ
ajst-4904	71	128	other	other	ADJ
ajst-4904	71	129	shortcomings	shortcoming	NOUN
ajst-4904	71	130	,	,	PUNCT
ajst-4904	71	131	and	and	CCONJ
ajst-4904	71	132	the	the	DET
ajst-4904	71	133	maximum	maximum	ADJ
ajst-4904	71	134	stress	stress	NOUN
ajst-4904	71	135	and	and	CCONJ
ajst-4904	71	136	maximum	maximum	ADJ
ajst-4904	71	137	deformation	deformation	NOUN
ajst-4904	71	138	displacement	displacement	NOUN
ajst-4904	71	139	meet	meet	VERB
ajst-4904	71	140	the	the	DET
ajst-4904	71	141	design	design	NOUN
ajst-4904	71	142	requirements.based	requirements.base	VERB
ajst-4904	71	143	on	on	ADP
ajst-4904	71	144	the	the	DET
ajst-4904	71	145	reliability	reliability	NOUN
ajst-4904	71	146	analysis	analysis	NOUN
ajst-4904	71	147	results	result	NOUN
ajst-4904	71	148	,	,	PUNCT
ajst-4904	71	149	the	the	DET
ajst-4904	71	150	following	follow	VERB
ajst-4904	71	151	suggestions	suggestion	NOUN
ajst-4904	71	152	are	be	AUX
ajst-4904	71	153	put	put	VERB
ajst-4904	71	154	forward	forward	ADV
ajst-4904	71	155	for	for	ADP
ajst-4904	71	156	the	the	DET
ajst-4904	71	157	design	design	NOUN
ajst-4904	71	158	of	of	ADP
ajst-4904	71	159	the	the	DET
ajst-4904	71	160	integrated	integrated	ADJ
ajst-4904	71	161	bop	bop	NOUN
ajst-4904	71	162	:	:	PUNCT
ajst-4904	71	163	(	(	PUNCT
ajst-4904	71	164	1	1	X
ajst-4904	71	165	)	)	PUNCT
ajst-4904	71	166	the	the	DET
ajst-4904	71	167	four	four	NUM
ajst-4904	71	168	outlet	outlet	NOUN
ajst-4904	71	169	of	of	ADP
ajst-4904	71	170	the	the	DET
ajst-4904	71	171	integrated	integrate	VERB
ajst-4904	71	172	bop	bop	NOUN
ajst-4904	71	173	shell	shell	NOUN
ajst-4904	71	174	is	be	AUX
ajst-4904	71	175	connected	connect	VERB
ajst-4904	71	176	with	with	ADP
ajst-4904	71	177	the	the	DET
ajst-4904	71	178	four	four	NUM
ajst-4904	71	179	flange	flange	NOUN
ajst-4904	71	180	,	,	PUNCT
ajst-4904	71	181	and	and	CCONJ
ajst-4904	71	182	the	the	DET
ajst-4904	71	183	structural	structural	ADJ
ajst-4904	71	184	strength	strength	NOUN
ajst-4904	71	185	here	here	ADV
ajst-4904	71	186	is	be	AUX
ajst-4904	71	187	relatively	relatively	ADV
ajst-4904	71	188	low	low	ADJ
ajst-4904	71	189	,	,	PUNCT
ajst-4904	71	190	easy	easy	ADJ
ajst-4904	71	191	to	to	PART
ajst-4904	71	192	appear	appear	VERB
ajst-4904	71	193	relatively	relatively	ADV
ajst-4904	71	194	large	large	ADJ
ajst-4904	71	195	deformation	deformation	NOUN
ajst-4904	71	196	and	and	CCONJ
ajst-4904	71	197	displacement	displacement	NOUN
ajst-4904	71	198	,	,	PUNCT
ajst-4904	71	199	which	which	PRON
ajst-4904	71	200	has	have	VERB
ajst-4904	71	201	a	a	DET
ajst-4904	71	202	great	great	ADJ
ajst-4904	71	203	impact	impact	NOUN
ajst-4904	71	204	on	on	ADP
ajst-4904	71	205	the	the	DET
ajst-4904	71	206	sealing	sealing	NOUN
ajst-4904	71	207	performance	performance	NOUN
ajst-4904	71	208	,	,	PUNCT
ajst-4904	71	209	so	so	CCONJ
ajst-4904	71	210	there	there	PRON
ajst-4904	71	211	is	be	VERB
ajst-4904	71	212	a	a	DET
ajst-4904	71	213	potential	potential	ADJ
ajst-4904	71	214	leak	leak	NOUN
ajst-4904	71	215	,	,	PUNCT
ajst-4904	71	216	it	it	PRON
ajst-4904	71	217	is	be	AUX
ajst-4904	71	218	necessary	necessary	ADJ
ajst-4904	71	219	to	to	PART
ajst-4904	71	220	strengthen	strengthen	VERB
ajst-4904	71	221	the	the	DET
ajst-4904	71	222	sealing	sealing	NOUN
ajst-4904	71	223	performance	performance	NOUN
ajst-4904	71	224	here	here	ADV
ajst-4904	71	225	;	;	PUNCT
ajst-4904	71	226	(	(	PUNCT
ajst-4904	71	227	2	2	X
ajst-4904	71	228	)	)	PUNCT
ajst-4904	71	229	the	the	DET
ajst-4904	71	230	integrated	integrate	VERB
ajst-4904	71	231	bop	bop	NOUN
ajst-4904	71	232	shell	shell	NOUN
ajst-4904	71	233	has	have	VERB
ajst-4904	71	234	stress	stress	NOUN
ajst-4904	71	235	concentration	concentration	NOUN
ajst-4904	71	236	at	at	ADP
ajst-4904	71	237	the	the	DET
ajst-4904	71	238	four	four	NUM
ajst-4904	71	239	-	-	PUNCT
ajst-4904	71	240	way	way	NOUN
ajst-4904	71	241	outlet	outlet	NOUN
ajst-4904	71	242	,	,	PUNCT
ajst-4904	71	243	the	the	DET
ajst-4904	71	244	installation	installation	NOUN
ajst-4904	71	245	of	of	ADP
ajst-4904	71	246	the	the	DET
ajst-4904	71	247	annular	annular	ADJ
ajst-4904	71	248	bop	bop	NOUN
ajst-4904	71	249	sealing	seal	VERB
ajst-4904	71	250	groove	groove	NOUN
ajst-4904	71	251	,	,	PUNCT
ajst-4904	71	252	and	and	CCONJ
ajst-4904	71	253	the	the	DET
ajst-4904	71	254	contact	contact	NOUN
ajst-4904	71	255	surface	surface	NOUN
ajst-4904	71	256	between	between	ADP
ajst-4904	71	257	the	the	DET
ajst-4904	71	258	ram	ram	NOUN
ajst-4904	71	259	and	and	CCONJ
ajst-4904	71	260	the	the	DET
ajst-4904	71	261	ram	ram	NOUN
ajst-4904	71	262	cavity.it	cavity.it	ADJ
ajst-4904	71	263	is	be	AUX
ajst-4904	71	264	suggested	suggest	VERB
ajst-4904	71	265	that	that	SCONJ
ajst-4904	71	266	in	in	ADP
ajst-4904	71	267	the	the	DET
ajst-4904	71	268	design	design	NOUN
ajst-4904	71	269	stage	stage	NOUN
ajst-4904	71	270	,	,	PUNCT
ajst-4904	71	271	structural	structural	ADJ
ajst-4904	71	272	optimization	optimization	NOUN
ajst-4904	71	273	should	should	AUX
ajst-4904	71	274	be	be	AUX
ajst-4904	71	275	carried	carry	VERB
ajst-4904	71	276	out	out	ADP
ajst-4904	71	277	according	accord	VERB
ajst-4904	71	278	to	to	ADP
ajst-4904	71	279	the	the	DET
ajst-4904	71	280	above	above	ADJ
ajst-4904	71	281	positions	position	NOUN
ajst-4904	71	282	to	to	PART
ajst-4904	71	283	alleviate	alleviate	VERB
ajst-4904	71	284	the	the	DET
ajst-4904	71	285	stress	stress	NOUN
ajst-4904	71	286	concentration	concentration	NOUN
ajst-4904	71	287	,	,	PUNCT
ajst-4904	71	288	and	and	CCONJ
ajst-4904	71	289	surface	surface	NOUN
ajst-4904	71	290	strengthening	strengthen	VERB
ajst-4904	71	291	process	process	NOUN
ajst-4904	71	292	should	should	AUX
ajst-4904	71	293	be	be	AUX
ajst-4904	71	294	carried	carry	VERB
ajst-4904	71	295	out	out	ADP
ajst-4904	71	296	to	to	PART
ajst-4904	71	297	improve	improve	VERB
ajst-4904	71	298	the	the	DET
ajst-4904	71	299	structural	structural	ADJ
ajst-4904	71	300	strength	strength	NOUN
ajst-4904	71	301	.	.	PUNCT
ajst-4904	72	1	references	reference	NOUN
ajst-4904	72	2	[	[	X
ajst-4904	72	3	1	1	X
ajst-4904	72	4	]	]	X
ajst-4904	72	5	klees	klee	NOUN
ajst-4904	72	6	k.advanced	k.advance	VERB
ajst-4904	72	7	bop	bop	INTJ
ajst-4904	72	8	stack	stack	NOUN
ajst-4904	72	9	makes	make	VERB
ajst-4904	72	10	debut	debut	NOUN
ajst-4904	72	11	.	.	PUNCT
ajst-4904	73	1	drilling	drill	VERB
ajst-4904	73	2	contr.1992	contr.1992	PROPN
ajst-4904	73	3	,	,	PUNCT
ajst-4904	73	4	48(6):29	48(6):29	PROPN
ajst-4904	73	5	-	-	SYM
ajst-4904	73	6	31	31	NUM
ajst-4904	73	7	.	.	PUNCT
ajst-4904	74	1	[	[	X
ajst-4904	74	2	2	2	NUM
ajst-4904	74	3	]	]	PUNCT
ajst-4904	74	4	s.sangesland	s.sangesland	NOUN
ajst-4904	74	5	,	,	PUNCT
ajst-4904	74	6	a.sivertsen	a.sivertsen	NOUN
ajst-4904	74	7	,	,	PUNCT
ajst-4904	74	8	hiorth	hiorth	NOUN
ajst-4904	74	9	e.downhole	e.downhole	ADJ
ajst-4904	74	10	blowout	blowout	NOUN
ajst-4904	74	11	preveter	preveter	ADV
ajst-4904	75	1	[	[	X
ajst-4904	76	1	m].2001	m].2001	X
ajst-4904	76	2	.	.	PUNCT
ajst-4904	77	1	[	[	X
ajst-4904	77	2	3	3	X
ajst-4904	77	3	]	]	X
ajst-4904	77	4	gao	gao	PROPN
ajst-4904	77	5	chengjun	chengjun	PROPN
ajst-4904	77	6	,	,	PUNCT
ajst-4904	77	7	zheng	zheng	PROPN
ajst-4904	77	8	junhui	junhui	PROPN
ajst-4904	77	9	,	,	PUNCT
ajst-4904	77	10	jing	jing	ADJ
ajst-4904	77	11	yinghua	yinghua	PROPN
ajst-4904	77	12	,	,	PUNCT
ajst-4904	77	13	li	li	PROPN
ajst-4904	77	14	zhongming	zhongming	PROPN
ajst-4904	77	15	,	,	PUNCT
ajst-4904	77	16	li	li	PROPN
ajst-4904	77	17	hongbing	hongbing	PROPN
ajst-4904	77	18	,	,	PUNCT
ajst-4904	77	19	cai	cai	PROPN
ajst-4904	77	20	liqing	liqing	PROPN
ajst-4904	77	21	.	.	PUNCT
ajst-4904	78	1	drilling	drilling	NOUN
ajst-4904	78	2	&	&	CCONJ
ajst-4904	78	3	production	production	NOUN
ajst-4904	78	4	technology	technology	NOUN
ajst-4904	78	5	,	,	PUNCT
ajst-4904	78	6	2011	2011	NUM
ajst-4904	78	7	,	,	PUNCT
ajst-4904	78	8	34(06):65	34(06):65	NUM
ajst-4904	78	9	-	-	SYM
ajst-4904	78	10	67	67	NUM
ajst-4904	78	11	+	+	NOUN
ajst-4904	78	12	9	9	NUM
ajst-4904	78	13	.	.	PUNCT
ajst-4904	79	1	[	[	X
ajst-4904	79	2	4	4	NUM
ajst-4904	79	3	]	]	X
ajst-4904	79	4	dong	dong	PROPN
ajst-4904	79	5	yan	yan	PROPN
ajst-4904	79	6	,	,	PUNCT
ajst-4904	79	7	liu	liu	PROPN
ajst-4904	79	8	jiangtao	jiangtao	PROPN
ajst-4904	79	9	,	,	PUNCT
ajst-4904	79	10	yu	yu	PROPN
ajst-4904	79	11	chenglong	chenglong	PROPN
ajst-4904	79	12	,	,	PUNCT
ajst-4904	79	13	han	han	PROPN
ajst-4904	79	14	yu	yu	PROPN
ajst-4904	79	15	'	'	PUNCT
ajst-4904	79	16	an	an	PROPN
ajst-4904	79	17	,	,	PUNCT
ajst-4904	79	18	li	li	PROPN
ajst-4904	79	19	yuhai	yuhai	PROPN
ajst-4904	79	20	,	,	PUNCT
ajst-4904	79	21	bai	bai	PROPN
ajst-4904	79	22	xiaojie.development	xiaojie.development	NUM
ajst-4904	79	23	of	of	ADP
ajst-4904	79	24	a	a	DET
ajst-4904	79	25	new	new	ADJ
ajst-4904	79	26	type	type	NOUN
ajst-4904	79	27	of	of	ADP
ajst-4904	79	28	active	active	ADJ
ajst-4904	79	29	sealed	seal	VERB
ajst-4904	79	30	rotary	rotary	NOUN
ajst-4904	79	31	bop	bop	INTJ
ajst-4904	80	1	[	[	X
ajst-4904	80	2	j	j	X
ajst-4904	80	3	]	]	X
ajst-4904	80	4	.	.	PUNCT
ajst-4904	81	1	china	china	PROPN
ajst-4904	81	2	petroleum	petroleum	PROPN
ajst-4904	81	3	machinery,2014,42(10):2225	machinery,2014,42(10):2225	PROPN
ajst-4904	81	4	.	.	PUNCT
ajst-4904	82	1	[	[	X
ajst-4904	82	2	5	5	X
ajst-4904	82	3	]	]	X
ajst-4904	82	4	zhang	zhang	PROPN
ajst-4904	82	5	leicheng	leicheng	PROPN
ajst-4904	82	6	,	,	PUNCT
ajst-4904	82	7	zhang	zhang	PROPN
ajst-4904	82	8	haiyang	haiyang	PROPN
ajst-4904	82	9	,	,	PUNCT
ajst-4904	82	10	chen	chen	PROPN
ajst-4904	82	11	yijin	yijin	PROPN
ajst-4904	82	12	,	,	PUNCT
ajst-4904	82	13	shang	shang	PROPN
ajst-4904	82	14	fengxiang	fengxiang	PROPN
ajst-4904	82	15	,	,	PUNCT
ajst-4904	82	16	li	li	PROPN
ajst-4904	82	17	haixia	haixia	PROPN
ajst-4904	82	18	.	.	PUNCT
ajst-4904	83	1	a	a	DET
ajst-4904	83	2	kind	kind	NOUN
ajst-4904	83	3	of	of	ADP
ajst-4904	83	4	bop	bop	NOUN
ajst-4904	83	5	with	with	ADP
ajst-4904	83	6	pressure	pressure	NOUN
ajst-4904	83	7	relief	relief	NOUN
ajst-4904	83	8	function	function	NOUN
ajst-4904	84	1	[	[	X
ajst-4904	84	2	p	p	X
ajst-4904	84	3	]	]	X
ajst-4904	84	4	.	.	PUNCT
ajst-4904	85	1	cn207017970u,2018	cn207017970u,2018	PROPN
ajst-4904	85	2	-	-	PUNCT
ajst-4904	85	3	02	02	NUM
ajst-4904	85	4	-	-	PUNCT
ajst-4904	85	5	16	16	NUM
ajst-4904	85	6	.	.	PUNCT
ajst-4904	86	1	[	[	X
ajst-4904	86	2	6	6	NUM
ajst-4904	86	3	]	]	PUNCT
ajst-4904	86	4	cui	cui	X
ajst-4904	86	5	haipeng	haipeng	PROPN
ajst-4904	86	6	.	.	PUNCT
ajst-4904	87	1	development	development	NOUN
ajst-4904	87	2	status	status	NOUN
ajst-4904	87	3	of	of	ADP
ajst-4904	87	4	intelligent	intelligent	ADJ
ajst-4904	87	5	well	well	NOUN
ajst-4904	87	6	control	control	NOUN
ajst-4904	87	7	abroad	abroad	ADV
ajst-4904	88	1	[	[	X
ajst-4904	88	2	j].intelligent	j].intelligent	PROPN
ajst-4904	88	3	factory,2019(11):66	factory,2019(11):66	PROPN
ajst-4904	88	4	-	-	PUNCT
ajst-4904	88	5	68	68	NUM
ajst-4904	88	6	+	+	NOUN
ajst-4904	88	7	72	72	NUM
ajst-4904	88	8	.	.	PUNCT