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Tubing

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◆Tubing was inserted into casing from ground to oil layer with coupling connection or overall connection. The jack pump sucks oil from the oil layer to surface through it. Its main grade includes J55, N80, P110, C90, T95 which can resist H2S corrosion.

Specification	OD (mm)	Weight(kg/m)		Wall thickness (mm)	Type of thread
Specification	OD (mm)	NU	EU	Wall thickness (mm)	J55	L80	N80	P110
2 3/8	60.32	5.95		4.24	N	N	N
		6.85	6.99	4.83	NU	NU	NU	NU
		8.63	8.85	6.45		NU	NU	NU
2 7/8	73.02	9.52	9.67	5.51	NU	NU	NU	NU
		11.61	11.76	7.01		NU	NU	NU
		12.80	12.95	7.82		NU	NU	NU
3 1/2	88.90	11.46		5.49	N	N	N
		13.69	13.84	6.45	NU	NU	NU	NU
		15.18		7.34	N	N	N
4	101.60	14.14		5.74	N	N	N
4	101.60		16.37	6.65	U	U	U
4 1/2	114.30	18.75	18.97	6.88	NU	NU	NU
4 1/2	114.30	22.62		8.56
Note: N=NU,U=EU