Drill Pipe (for Oil Industry) Manufacturer

Drill Pipe (for Oil Industry)

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Drill pipes that we supply for oil industry are available in a wide range of specifications.

Features
1. Friction welding drill pipes made of high quality structural steel, with upsetting treatment to the pipe ends after non-destructive testing and performance testing and with whole length thermal treatment after upsetting to improve toughness and strength.
2. Tool joints of the oil drill pipes are made using higher strength structural steel than the body.
3. Threads are turned in a high precision CNC lathe and accept heat treatment to fit with the body and tool joints in toughness and strength.

Technical Parameters

Drill Pipes						Tool Joints
Nominal mm (in)	Nominal weight kg/m ( Ib/ft )	Wall thickness mm	Joint weight kg/m	Thickening type	Steel grade	Connection	O.D mm	I.D mm	Torsional yield strength N.m	Materials	Drift diameter mm
73.0(27/8)	15.49(10.40)	9.19	16.32	EU	G105	NC31 (2 7/8IF )	104.8	50.8	17890	37CrMnMoA 4137H	47.6
88.9(3 1/2)	19.18(13.30)	9.35	21.58	EU	G105	NC38 (3 1/2IF)	127.0	61.9	30117	37CrMnMoA 4137H	58.8
88.9(3 1/2)	23.09(15.50)	11.04	25.14	EU	G105	NC38 (3 1/2IF)	127.0	54	35281	37CrMnMo 4137H	50.8
101.6(4)	23.39(15.70)	8.38	26.44	EU	G105	NC46 (4 IF)	152.4	82.6	45589	37CrMnMoA 4137H	79.3
114.3(4 1/2)	24.73(16.60)	8.56	26.78	EU IEU	G105	NC50 (4 1/2IF)	168.3 158.8	95.3	51082	37CrMnMoA 4137H	92.1 76.2
114.3(4 1/2)	29.79(20.00)	10.92	32.20	EU	G105	NC50 (4 1/2IF)	168.3	88.9	60569	37CrMnMoA 4137H	85.7
127.0(5)	29.05(19.50)	9.19	32.65	IEU	G105	NC50 (4 1/2IF)	168.3	82.6	69753	37CrMnMoA 4137H	79.4
127.0(5)	38.13(25.60)	12.7	42.18	IEU	G105	NC50 (4 1/2IF)	168.3	69.9	84586	37CrMnMoA 4137H	66.7