Casing and tubing

PRODUCT

MEDIA CENTER

Casing and tubing

5. Casing and tubing.jpg

API SPEC 5CT: Specification for Casing and Tubing
Tubing is used for extracting oil or gas from wells.
Casing & Tubing, API range of Plain end, round thread (STC and LTC), Buttress Thread and Extreme-line casing and API NUE, EUE and IJ tubing, Tubing and casing with Premium connection.
Specification & Standard: H40, J55, K55, N80(-1,-Q), L80, L80 9Cr&13Cr, P110,Q125, etc.
Size Range: 4 ½ Inches and Up for

Casing, 1.050 Inches and Up for Tubing

Tubing Dimension

Label				D Outside diameter mm	Wall thickness mm	C type of end-finish
1	2					C type of end-finish
1	NU T&C	EU T&C	IJ			H40	J55	L80	N80	C90	T95	P110
1.9	2.75	2.9	4	48.26	3.68	PNUI	PNUI	PNUI	PNUI	PNUI	PNUI
	3.65	3.73	2.76	48.26	5.08	PU	PU	PU	PU	PU	PU	PU
	4.42	-	-	48.26	6.35	-	-	P	-	P	P	-
2 3/8	4	-	-	60.32	4.24	PU	PN	PN	PN	PN	PN	-
	4.6	4.7	-	60.32	4.83	PNU	PNU	PNU	PNU	PNU	PNU	PNU
	5.8	5.95	-	60.32	6.45	-	-	PNU	PNU	PNU	PNU	PNU
	6.6	-	-	60.32	7.49	-	-	P	-	P	P	-
	7.35	7.45	-	60.32	8.53	-	-	PU	-	PU	PU	-
2 7/8	6.4	6.5	-	73.02	5.51	PNU	PNU	PNU	PNU	PNU	PNU	PNU
	7.8	7.9	-	73.02	7.01	-	-	PNU	PNU	PNU	PNU	PNU
	8.6	8.7	-	73.02	7.82	-	-	PNU	PNU	PNU	PNU	PNU
	9.35	9.45	-	73.02	8.64	-	-	PU	-	PU	PU	-
	10.5	-	-	73.02	9.96	-	-	P	-	P	P	-
3 1/2	7.7	-	-	88.9	5.49	PN	PN	PN	PN	PN	PN	-
	9.2	9.3	-	88.9	6.45	PNU	PNU	PNU	PNU	PNU	PNU	PNU
	10.2	-	-	88.9	7.34	PN	PN	PN	PN	PN	PN	-
	12.7	12.95	-	88.9	9.52	-	-	PNU	-	PNU	PNU	PNU
	14.3	-	-	88.9	10.92	-	-	P	-	P	P	-
	15.5	-	-	88.9	12.09	-	-	P	-	P	P	-
4	9.5	-	-	101.6	5.74	PN	PN	PN	PN	PN	PN	-
	10.7	11	-	101.6	6.65	PU	PU	PU	PU	PU	PU	-
	13.2	-	-	101.6	8.38	-	-	P	-	P	P	-
	16.1	-	-	101.6	10.54	-	-	P	-	P	P	-
4 1/2	12.6	12.75	-	114.3	6.88	PNU	PNU	PNU	PNU	PNU	PNU	-
4 1/2	15.2	-	-	114.3	8.56	-	-	P	-	P	P	-

API Casing
Size		Grade
OD mm(in)	WT mm	H40	J55、K55	M65	L80、C95	N80	C90、T95	P110	Q125
OD mm(in)	WT mm	H40	J55、K55	M65	L80、C95	Type 1、Q	C90、T95	P110	Q125
114.3	5.21	P/S	P/S	P/S
(4-1/2)	5.69		P/S/B	P/S/B
	6.35		P/S/L/B	P/L/B	P/L/B	P/L/B	P/L/B	P/L/B
	7.37			P/L/B	P/L/B	P/L/B	P/L/B	P/L/B
	8.56							P/L/B	P/L/B
127.00(5)	5.59		P/S	P/S
	6.43		P/S/L/B	P/S/L/B
	7.52		P/S/L/B/E	P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	9.19			P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	11.1			P/L/B	P/L/B	P/L/B	P/L/B	P/L/B	P/L/B
	12.14				P/L/B	P/L/B	P/L/B	P/L/B	P/L/B
	12.7				P/L/B	P/L/B	P/L/B	P/L/B	P/L/B
139.7	6.2	P/S	P/S	P/S
(5-1/2)	6.98		P/S/L/B/E	P/S/L/B
	7.72		P/S/L/B/E	P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	9.17			P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	10.54			P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	12.7						P
	14.27						P
	15.88						P
	17.45						P
	19.05						P
	20.62						P
	22.22						P
168.28	7.32	P/S	P/S/L/B	P/S/L/B
(6-5/8)	8.94		P/S/L/B/E	P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	10.59			P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	12.06				P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
177.80(7)	5.87	P/S
	6.91	P/S	P/S	P/S
	8.05		P/S/L/B/E	P/L/B	P/L/B/E	P/L/B/E	P/L/B/E
	9.19		P/S/L/B/E	P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	10.36			P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	11.51			P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	12.65				P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	13.72				P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	15.88						P
	17.45						P
	19.05						P
	20.62						P
	22.22						P
193.68	7.62	P/S
(7-5/8)	8.33		P/S/L/B/E	P/S/L/B	P/L/B/E	P/L/B/E	P/L/B/E
	9.52			P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	10.92			P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	12.7				P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	14.27				P/L/B	P/L/B	P/L/B	P/L/B	P/L/B
	15.11				P/L/B	P/L/B	P/L/B	P/L/B	P/L/B
	15.88				P/L/B	P/L/B	P/L/B	P/L/B	P/L/B
	17.45						P
	19.05						P
196.85	15.11				P	P	P	P	P
(7-3/4)	15.11				P	P	P	P	P
219.08	6.71		P/S	P/S
(8-5/8)	7.72	P/S		P/S
	8.94	P/S	P/S/L/B/E	P/S/L/B
	10.16		P/S/L/B/E	P/S/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	11.43			P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	12.7				P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	14.15				P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
244.48	7.92	P/S
(9-5/8)	8.94	P/S	P/S/L/B	P/S/L/B
	10.03		P/S/L/B/E	P/S/L/B	P/L/B/E	P/L/B/E	P/L/B/E
	11.05			P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	11.99			P/L/B	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	13.84				P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E	P/L/B/E
	15.11				P/L/B	P/L/B	P/L/B	P/L/B	P/L/B
	15.47						P
	17.07						P
	18.64						P
	20.24						P
273.05	7.09	P/S
(10-3/4)	8.89	P/S	P/S/B	P/S/B
	10.16		P/S/B/E	P/S/B
	11.43		P/S/B/E	P/S/B	P/S/B/E	P/S/B/E	P/S/B/E	P/S/B/E
	12.57			P/S/B	P/S/B/E	P/S/B/E	P/S/B/E	P/S/B/E
	13.84						P/S/B/E	P/S/B/E	P/S/B/E
	15.11						P/S/B	P/S/B	P/S/B
	17.07						P
	18.64						P
	20.24						P
298.45	8.46	P/S
(11-3/4)	9.53		P/S/B	P/S/B
	11.05		P/S/B	P/S/B
	12.42		P/S/B	P/S/B	P/S/B	P/S/B	P/S/B	P/S/B	P/S/B
	13.56				P	P	P	P	P
	14.78				P	P	P	P	P
339.72	8.38	P/S
(13-3/8)	9.65		P/S/B	P/S/B
	10.92		P/S/B	P/S/B
	12.19		P/S/B	P/S/B	P/S/B	P/S/B	P/S/B	P/S/B
	13.06				P/S/B	P/S/B	P/S/B	P/S/B	P/S/B
406.4	9.53	P/S
-16	11.13		P/S/B	P/S/B
	12.57		P/S/B	P/S/B
	16.66		P		P	P		P	P
473.08	11.05	P/S	P/S/B	P/S/B
(18-5/8)	11.05	P/S	P/S/B	P/S/B
508	11.13	P/S/L	P/S/L/B	P/S/L/B
-20	12.7		P/S/L/B	P/S/L/B
	16.13		P/S/L/B

Mechanical Properties

Group	Grade	Type	Total elongation under load %	Yield Strength M pa		Tensile strength min Mpa	Hardness
Group	Grade	Type	Total elongation under load %	min	max	Tensile strength min Mpa	HRC	HBW
1	2	3	4	5	6	7	8	9
2	J55	-	0.5	379	552	517	-	-
	K55	-	0.5	379	552	655	-	-
	N80	1	0.5	552	758	689	-	-
	N80	Q	0.5	552	758	689	-	-
3	L80	1	0.5	552	655	655	23	241
	L80	9Cr	0.5	552	655	655	23	241
	L80	13Cr	0.5	552	655	655	23	241
	C90		0.5	621	689	689	25.4	255
	C95	-	0.5	655	724	724	-	-
	T95		0.5	655	724	724	25.4	255
	P110	-	0.6	758	862	862	-	-
4	Q125	All	0.65	862	931	931	-	-

Prev：无
Next：无