Oil Field Drill Pipe

Short Description:

The non-magnetic pressure drill pipe is made of low-carbon stainless steel independently developed by our company and follows API Specifications and enterprise standards. The threads can be processed with cold rolling. Our company can machine double-shoulder threads and other specifications of special threads and can accept orders of various non-standard products.

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Non-magnetic compressive service drill pipe specification

specification	OD		ID		Connerction				Body
	OD		ID		Style	OD		Inner and outer thread shoulder chamfer	Thickened part dimensions
	mm	in	mm	in	Style	mm	in	Inner and outer thread shoulder chamfer	Center areamm	Endarea mm
WCY66-65/8FH-I	168.3	Aug-65	114.3	Feb-41	65/8FH	209.6	Apr-81	195.7	184.2	176.21
WCY55-51/2FH-I	139.7	Feb-51	92.1	Aug-35	51/2FH	177.8	7	170.7	152.4	144.5
WCY50-NC50-I	127	5	76.2	3	NC50	168.3	Aug-65	154	139.7	130.2
WCY45-NC46-I	114.3	Feb-41	71.4	213/16	NC46	158.8	Apr-61	145.3	127	117.5
WCY40-NC40-I	101.6	4	65.09	29/16	NC40	133.35	Apr-51	127.4	101.6	98.43
WCY35-NC38-I	88.9	31/2	52.39	21/16	NC38	120.7	Apr-43	116.3	101.6	92.1
WCY29-NC31-I	73.03	27/8	50.8	2	NC31	104.8	Aug-41	100.4	84.1	81

Mechanical property refer to Non-maganetic drill collars
Magnetic Properties
( Magnetic field=1 X 10³/4πA/m)
1.Average:μr<1.010
2. Magnetic field gradient:B≤0.05μT