API 5D drill pipe

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API 5D drill pipe
Posting date : Aug 30, 2007
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84-
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drill pipe is according to API SPEC 5D, API SPEC 7, it is For well drilling and all tool-joint butt Welding. It can be divided into:drill pipe ,heavy weight drill pipe,square and hexagonal kelly drill collar is according to API 7,is manufactured form AISI 4145H modified steel,Full-length heat –treatment proceses ensure that mechanical propreties meet to exceed API spec 7 requirements.A hardness range of 285-341.it can be divided into: slick drill collar , spiral drill collar and non-magnetic drill collar .Casing and tubing are according API SPEC 5CT API SPEC 5B. Tubing is used to exacting petroleum and natural gas from a well Casing serves as walls of a well. APL 5L linepipe, it is For conveyance of gas, water and oil in oil and gas industry.

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