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High Performance Seamless Casing Pipe , Oil Well Casing Pipe High Precision

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Brand Name :	Zhongshi
Model Number :	4 1/2"-20"
Certification :	API 5CT, ISO, QHSE
Price :	Negotiable
Payment Terms :	T/T, L/C

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High Performance Seamless Casing Pipe , Oil Well Casing Pipe High Precision

Oil Well drilling Seamless Casing Pipe API certified Alloy Steel Tube

Oil casing description:

Oil casing is a large diameter seamless pipe that is assembled and inserted into the drilled section of the

borehole and typically held into place with cement.

Puyang Zhongshi Group provide various seamless casing from 4-1/2’’-20’’ with steel grade J55,K55,N80,

L80,P110 etc. The Casing pipe length range is R1,R2,R3, with threads of BTC, LTC, STC.

According to the strength of steel, casing pipe steel can be divided into different steel grades. Different

steel grade is used in oil well with different well depth. In corrosive environment also requires the casing

itself has corrosion resistance. In the complicated geologic condition place also asked the casing having

an anti-collapse performance.

Features:

1. Length range R3
2. API 5CT seamless pipe

Technical specification:

Size	Linear Mass lb/ft	Outside Diameter		Wall Thickness		Type of end-finish
		inch	mm	inch	mm	Grade
						J-55 K-55	M-65	L-80 C-95	N-80 1,Q	P-110
4 1/2''	9.5	4.5	114.3	0.205	5.21	PS	PS	-	-	-
	10.5	4.5	114.3	0.224	5.69	PSB	PSB	-	-	-
	11.6	4.5	114.3	0.25	6.35	PSLB	PLB	PLB	PLB	PLB
	13.5	4.5	114.3	0.29	7.37	--	PLB	PLB	PLB	PLB
	15.1	4.5	114.3	0.337	8.56	--	-	-	-	PLB
5''	11.5	5	127	0.22	5.59	PS	PS	-	-	-
	13	5	127	0.253	6.43	PSLB	PSLB	-	-	-
	15	5	127	0.296	7.52	PSLB	PLB	PLB	PLB	PLB
	18	5	127	0.362	9.19	--	PLB	PLB	PLB	PLB
	21.4	5	127	0.437	11.1	--	PLB	PLB	PLB	PLB
	23.2	5	127	0.478	12.14	--	-	PLB	PLB	PLB
	24.1	5	127	0.5	12.7	--	-	PLB	PLB	PLB
5 1/2''	14	5.5	139.7	0.244	6.2	PS	PS	-	-	-
	15.5	5.5	139.7	0.275	6.98	PSLB	PSLB	-	-	-
	17	5.5	139.7	0.304	7.72	PSLB	PLB	PLB	PLB	PLB
	20	5.5	139.7	0.361	9.17	--	PLB	PLB	PLB	PLB
	23	5.5	139.7	0.415	10.54	--	PLB	PLB	PLB	PLB
	26.8	5.5	139.7	0.5	12.7	--	-	-	-	-
	29.7	5.5	139.7	0.562	14.27	--	-	-	-	-
	32.6	5.5	139.7	0.625	15.87	--	-	-	-	-
	35.3	5.5	139.7	0.687	17.45	--	-	-	-	-
	38	5.5	139.7	0.75	19.05	--	-	-	-	-
	40.5	5.5	139.7	0.812	20.62	--	-	-	-	-
	43.1	5.5	139.7	0.875	22.23	--	-	-	-	-
6 5/8''	20	6.625	168.28	0.288	7.32	PSLB	PSLB	-	-	-
	24	6.625	168.28	0.352	8.94	PSLB	PLB	PLB	PLB	PLB
	28	6.625	168.28	0.417	10.59	--	PLB	PLB	PLB	PLB
	32	6.625	168.28	0.475	12.06	--	--	PLB	PLB	PLB
7 3/4''	46.1	8.625	219.08	0.595	15.11	-	-	P	P	P
8 5/8''	24	8.625	219.08	0.264	6.71	PS	PS	-	-	-
	28	8.625	219.08	0.304	7.72	-	PS	-	-	-
	32	8.625	219.08	0.352	8.94	PSLB	PSLB	-	-	-
	36	8.625	219.08	0.4	10.16	PSLB	PSLB	PLB	PLB	PSLB
	8.625	219.08	0.45	11.43	-	PLB	PLB	PLB	PLB	-
	44	8.625	219.08	0.5	12.7	-	-	PLB	PLB	PLB
	49	9.625	244.28	0.557	14.15	-	-	PLB	PLB	-
9 5/8''	32.3	9.625	244.48	0.312	7.92	-	-	-	-	-
	36	9.625	244.48	0.352	8.94	PSLB	PSLB	-	-	-
	40	9.625	244.48	0.395	10.03	PSLB	PSLB	PLB	PLB	PLB
	43.5	9.625	244.48	0.435	11.05	-	PLB	PLB	PLB	PLB
	47	9.625	244.48	0.472	11.99	-	PLB	PLB	PLB	PLB
	53.5	9.625	244.48	0.545	13.84	-	-	PLB	PLB	PLB
	58.4	9.625	244.48	0.595	15.11	-	-	PLB	PLB	-
	59.4	9.625	244.48	0.609	15.57	-	-	-	-	-
	64.9	9.625	244.48	0.672	17.07	-	-	-	-	-
	70.3	9.625	244.48	0.734	18.64	-	-	-	-	-
	75.6	9.625	244.48	0.797	20.24	-	-	-	-	-
10 3/4''	32.75	10.75	273.05	0.279	7.09	-	-	-	-	-
	40.5	10.75	273.05	0.35	8.89	PSB	PSB	-	-	-
	45.5	10.75	273.05	0.4	10.16	PSB	PSB	-	-	-
	51	10.75	273.05	0.45	11.43	PSB	PSB	PSB	PSB	PSB
	55.5	10.75	273.05	0.468	12.57	-	PSB	PSB	PSB	PSB
	60.7	10.75	273.05	0.545	13.84	-	-	-	-	PSB
	65.7	10.75	273.05	0.595	15.11	-	-	-	-	PSB
	73.2	10.75	273.05	0.672	17.07	-	-	-	-	-
	79.2	10.75	273.05	0.734	18.64	-	-	-	-	-
	85.3	10.75	273.05	0.797	20.24	-	-	-	-	-
11 3/4''	42	11.75	298.45	0.333	8.46	-	-	-	-	-
	47	11.75	298.45	0.375	9.53	PSB	PSB	-	-	-
	54	11.75	298.45	0.435	11.05	PSB	PSB	-	-	-
	65	11.75	298.45	0.534	13.56	-	-	P	P	P
	71	11.75	298.45	0.582	14.78	-	-	P	P	P
13 3/8''	48	13.375	339.73	0.33	8.38	-	-	-	-	-
	54.5	13.375	339.73	0.38	9.65	PSB	PSB	-	-	-
	61	13.375	339.73	0.43	10.92	PSB	PSB	-	-	-
	68	13.375	339.73	0.48	12.19	PSB	PSB	PSB	PSB	PSB
	72	13.375	339.73	0.514	13.06	-	-	PSB	PSB	PSB
18 5/8''	87.5	18.625	473.08	0.435	11.05	PSB	PSB	-	-	-
20''	94	20	508	0.438	11.13	PSLB	PSLB	-	-	-
	106.5	20	508	0.5	12.7	PSLB	PSLB	-	-	-
	133	20	508	0.635	16.13	PSLB	-	-	-	-

Mechanical properties:

Standard	Steel grade	Tensil Strength(Mpa)	Yeild Strength(Mpa)	Elongation(%)
API 5CT	J55	≥517	379~552	0.5%
API 5CT	K55	≥655	379~552	0.5%
API 5CT	N80	≥689	552~758	0.5%
API 5CT	L80	≥655	552~655	0.5%
API 5CT	P110	≥862	758~965	0.6%

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