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Chinese Drill Collar

	Bobby Special Steel Pipe (China) Co., Ltd.

Drill collar

[all types] [China]

Posted Date: June 05, 2009

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Description

Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. Drill collar are manufactured strictly from API Spec7-1 and SY/T5411 standard.

-Drill Collar, Non-Magnetic Drill Collars, Spiral Drill Collar, Spiral Drill Collar With Elevator & Slip Groove;

All above product ranges we produce in strict technical control with German managment standard. We have got ISO9001:2000 quality system certificate and API (American Petroleum Institute) spec7-1 system ***** specification and parameters of our excellent products are avaliable on your request.

Other Information

Location:	China
Minimum Order:
Price for Minimum Order:
	(This price is only for minimum order, for large quantities, please contact)

Sample Available:	NO

Related Categories:	Steel Pipes, Accessories »
Related Products:	drill collars, non magnetic drill collars »

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Bobby Special Steel Pipe (China) Co., Ltd.

Drill collar