oil tubing

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What is Tubing?

Oil tubing is the pipeline, which transfers crude oil and natural gas to surface layer after completion of the drill. And the tubing is used to endure the pressure during the process of mining.

Classification of tubing: NUT, EUT and IJT

oil tubing

Name: Oil Tubing
Steel Grade:J55、K55、N80、L80、P110
Standard: API SPEC 5CT/SYT 6194-2003
Specifications:
8-1240×1-200mm
Generally the tubing pipe outer diameter is from 60.3mm to 114.3mm.
Tubing end processing form: Non-upset with threaded and coupling; External upset with thread and coupling; flat end;

Applications: Down into the well, oil tubing pipe is used as a fluid or liquid injection pipe.

Mechanical Properties:

Standard	Steel Grade	Tensile Strength(MPa)	Yield Strength(MPa)	Elongation(%)	Hardness
API SPEC 5CT	J55	≥517	379～552	0.5%
	K55	≥655	379~552	0.5%
	N80	≥689	552~758	0.5%
	L80(13Cr)	≥655	552~655	0.5%	≤241HB
	P110	≥862	758~965	0.6%

Chemical Compositions(%):

Standard	Steel Grade	Chemical Compositions(%)
Standard	Steel Grade	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V	Als
API SPEC 5CT	J55	0.34～0.39	0.20～0.35	1.25～1.50	≤0.020	≤0.015	≤0.15	≤0.20	≤0.20	/	/	≤0.020
	K55	0.34～0.39	0.20～0.35	1.25～1.50	≤0.020	≤0.015	≤0.15	≤0.20	≤0.20	/	/	≤0.020
	N80	0.34～0.38	0.20～0.35	1.45～1.70	≤0.020	≤0.015	≤0.15	/	/	/	0.11～0.16	≤0.020
	L80(13Cr)	0.15～0.22	≤1.00	0.25～1.00	≤0.020	≤0.010	12.0～14.0	≤0.20	≤0.20	/	/	≤0.020
	P110	0.26～0.35	0.17～0.37	0.40～0.70	≤0.020	≤0.010	0.80～1.10	≤0.20	≤0.20	0.15～0.25	≤0.08	≤0.020

Oil Tubing Specifications:

Labels		Outside diameter	Nominal linear mass	Wall thickness	J55	N80	L80	P110
Labels		mm	kg/m	mm	K55	N80	L80	P110
4 1/2	9.5	114.3	14.14	5.21	PS	-	-	-
4 1/2	10.5	114.3	15.63	5.69	PSB	-	-	-
4 1/2	11.6	114.3	17.26	6.35	PSLB	PLB	PLB	PLB
4 1/2	13.5	114.3	20.09	7.37	-	PLB	PLB	PLB
4 1/2	15.1	114.3	22.47	8.56	-	-	-	PLB
5	11.5	127	17.11	5.59	PS	-	-	-
5	13	127	19.35	6.43	PSLB	-	-	-
5	15	127	22.32	7.52	PSLBE	PLBE	PLBE	PLBE
5	18	127	26.79	9.19	-	PLBE	PLBE	PLBE
5	21.4	127	31.85	11.1	-	PLB	PLB	PLB
5	23.2	127	34.53	12.14	-	PLB	PLB	PLB
5	24.1	127	35.86	12.7	-	PLB	PLB	PLB
5 1/2	14	139.7	20.83	6.2	PS	-	-	-
5 1/2	15.5	139.7	23.07	6.98	PSLBE	-	-	-
5 1/2	17	139.7	25.3	7.72	PSLBE	PLBE	PLBE	PLBE
5 1/2	20	139.7	29.76	9.17	-	PLBE	PLBE	PLBE
5 1/2	23	139.7	34.23	10.54	-	PLBE	PLBE	PLBE
5 1/2	26.8	139.7	39.88	12.7	-	-	-	-
5 1/2	29.7	139.7	44.2	14.27	-	-	-	-
5 1/2	32.6	139.7	48.51	15.88	-	-	-	-
5 1/2	35.3	139.7	52.53	17.45	-	-	-	-
5 1/2	38	139.7	56.55	19.05	-	-	-	-
5 1/2	40.5	139.7	60.27	20.62	-	-	-	-
5 1/2	43.1	139.7	64.14	22.22	-	-	-	-
6 5/8	20	168.28	29.76	7.32	PSLB	-	-	-
6 5/8	24	168.28	35.72	8.94	PSLBE	PLBE	PLBE	PLBE
6 5/8	28	168.28	41.67	10.59	-	PLBE	PLBE	PLBE
6 5/8	32	168.28	47.62	12.06	-	PLBE	PLBE	PLBE
7	17	177.8	25.3	5.87	-	-	-	-
7	20	177.8	29.76	6.91	PS	-	-	-
7	23	177.8	34.23	8.05	PSLBE	PLBE	PLBE	-
7	26	177.8	38.69	9.19	PSLBE	PLBE	PLBE	PLBE
7	29	177.8	43.16	10.36	-	PLBE	PLBE	PLBE
7	32	177.8	47.62	11.51	-	PLBE	PLBE	PLBE
7	35	177.8	52.09	12.65	-	PLBE	PLBE	PLBE
7	38	177.8	56.55	13.72	-	PLBE	PLBE	PLBE
7	42.7	177.8	63.54	15.88	-	-	-	-
7	46.4	177.8	69.05	17.45	-	-	-	-
7	50	177.8	74.56	19.05	-	-	-	-
7	53.6	177.8	79.77	20.62	-	-	-	-
7	57.1	177.8	84.97	22.22	-	-	-	-
7 5/8	24	193.68	35.72	7.62	-	-	-	-
7 5/8	26.4	193.68	39.29	8.33	PSLBE	PLBE	PLBE	-
7 5/8	29.7	193.68	44.2	9.52	-	PLBE	PLBE	PLBE
7 5/8	33.7	193.68	50.15	10.92	-	PLBE	PLBE	PLBE
7 5/8	39	193.68	58.05	12.7	-	PLBE	PLBE	PLBE
7 5/8	42.8	193.68	63.69	14.27	-	PLB	PLB	PLB
7 5/8	45.3	193.68	67.41	15.11	-	PLB	PLB	PLB
7 5/8	47.1	193.68	70.09	15.88	-	PLB	PLB	PLB
7 5/8	51	193.68	76.19	17.45	-	-	-	-
7 5/8	55.3	193.68	80.3	19.05	-	-	-	-
8 5/8	24	219.08	35.72	6.61	PS	-	-	-
8 5/8	28	219.08	41.67	7.72	-	-	-	-
8 5/8	32	219.08	47.62	8.94	PSLBE	-	-	-
8 5/8	36	219.08	53.57	10.16	PSLBE	PLBE	PLBE	-
8 5/8	40	219.08	59.53	11.43	-	PLBE	PLBE	PLBE
8 5/8	44	219.08	65.48	12.7	-	PLBE	PLBE	PLBE
8 5/8	49	219.08	72.92	14.15	-	PLBE	PLBE	PLBE
9 5/8	32	244.48	48.07	7.92	-	-	-	-
9 5/8	36	244.48	53.57	8.94	PSLB	-	-	-
9 5/8	40	244.48	59.53	10.03	PSLBE	PLBE	PLBE	-
9 5/8	43.5	244.48	64.73	11.05	-	PLBE	PLBE	PLBE
9 5/8	47	244.48	69.94	11.99	-	PLBE	PLBE	PLBE
9 5/8	53.5	244.48	79.62	13.84	-	PLBE	PLBE	PLBE
9 5/8	58.4	244.48	86.91	15.11	-	PLB	PLB	PLB
9 5/8	59	244.48	88.4	15.47	-	-	-	-
9 5/8	64.9	244.48	96.58	17.07	-	-	-	-
9 5/8	70.3	244.48	104.62	18.64	-	-	-	-
9 5/8	75.6	244.48	112.5	20.24	-	-	-	-
10 3/4	32.75	273.05	48.74	7.09	-	-	-	-
10 3/4	40.5	273.05	60.27	8.89	PSB	-	-	-
10 3/4	45.5	273.05	67.71	10.16	PSBE	-	-	-
10 3/4	51	273.05	75.9	11.43	PSBE	PSBE	PSBE	PSBE
10 3/4	55	273.05	82.59	12.57	-	PSBE	PSBE	PSBE
10 3/4	60.7	273.05	90.33	13.84	-	-	-	PSBE
10 3/4	65.7	273.05	97.77	15.11	-	-	-	PSB
10 3/4	73.2	273.05	108.93	17.07	-	-	-	-
10 3/4	79.2	273.05	117.86	18.64	-	-	-	-
10 3/4	85.3	273.05	126.94	20.24	-	-	-	-
11 3/4	42	298.45	62.5	8.46	-	-	-	-
11 3/4	47	298.45	69.94	9.53	PSB	-	-	-
11 3/4	54	298.45	80.36	11.05	PSB	-	-	-
11 3/4	60	298.45	89.29	12.42	PSB	PSB	PSB	PSB
11 3/4	65	298.45	96.73	13.56	-	P	P	P
11 3/4	71	298.45	105.66	14.78	-	P	P	P
13 3/8	48	339.72	71.43	8.38	-	-	-	-
13 3/8	54.5	339.72	81.1	9.65	PSB	-	-	-
13 3/8	61	339.72	90.78	10.92	PSB	-	-	-
13 3/8	68	339.72	101.19	12.19	PSB	PSB	PSB	PSB
13 3/8	72	339.72	107.15	13.06	-	PSB	PSB	PSB
16	65	406.4	96.73	9.53	-	-	-	-
16	75	406.4	111.61	11.13	PSB	-	-	-
16	84	406.4	125.01	12.57	PSB	-	-	-
16	109	406.4	162.21	16.66	P	P	P	P
18 5/8	87.5	473.08	130.21	11.05	PSLB	-	-	-
20	94	508	139.89	11.13	PSLB	-	-	-
20	106.5	508	158.49	12.7	PSLB	-	-	-
20	133	508	197.93	16.13	PSLB	-	-	-
P: Plain end; S: Short round thread; L: Long round thread; B: Buttress thread; E; Extreme line.

Oil Tubing Pipe Process:

Specializing in various kinds of oil tubing production and supplying, Ourway steel subsidiary of AGICO is a professional oil tubing pipe manufacturer and supplier in the international trade. We keep enough in stock in the warehouse every month. Besides, we keep a good relationship with every big steel factory in China, so we can guarantee the delivery time and competitive prices for customers. Therefore, if you have any inquiry on oil tubing, please don‘t hesitate to contact us by e-mail or ring us!

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