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Insulated Tubing

Brief Introduction:

Insulated tubing is used as down-hole equipment for the thermal recovery of heavy oil. It is manufactured and inspected according to API 5CT and GB/T 5324-2013.

When insulated tubing is used as tubing for oil recovery, its good property of heat preservation guarantees that crude oil can be easily lifted from bottom hole to the ground. When using it to inject steam into the reservoir, the heat loss of the steam can be reduced greatly; thereby increase the efficiency of heavy oil recovery.

Parameter		Specification
		244×174	219×161	194×124	177×124	168×114	139×101	139×88	127×76	114×76	114×62	114×59	89×50	73×40
Level of Insulation		D E												B C
Steel Grade		J55、N80、L80、P110、80SS、80H、110H、80S-3Cr
Connection		Outter Pipe Connection、Inner Pipe Connection、Connction without Coupling
Length(m)		0.5-12
Weight(kg/m)		110	90	77	61	43	43	42	42	32	28	36	21	15
Thread		9 5/8^”BC	8 5/8^”BC	7 5/8^”BC	7^”BC	6 5/8^”BC	5 1/2^”BC		5^”BC	4 1/2^”BC、4 1/2^”LC			3 1/2^”USS	2 7/8^”NU
OD of Outter Pipe (mm)		244.48	219.08	193.68	177.8	168.28	139.7		127	114.3			88.9	73.02
OD of Inner Pipe (mm)		174.64	161.7	124.26	124.26	114.3	101.6	88.3	76		62	59	50.66	40.9
OD of Coupling(mm)		270	245	216	201	188	154		142	132			108	90
Max IP(MPa)	20℃	MAX.105
	400℃	MAX.55
Max OC(MPa)	20℃	MAX.105
	400℃	MAX.55
Deep(m)		MAX.1600-4600
Max IT(℃)		MAX.400
Specification		API 5CT 、SY/T5324-2013

HEADQUARTERS(CHINA)

ADD:

Taiyanggong Jinxingyuan NO.8,Chao Yang District,Beijing,10028,China

EMAIL:

cptdc-market@cnpc.com.cn

WEB:

http://www.cptdc.com