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Api Standard Drill Collar - China

price: contact company for price

WEIGAO offers a wide variety of drill collar sizes from 3 ⅛” - 9

½”, spiraled or slick, and with API connections. All our drill collars

are tailored to your specific requirements.

We supply slick, spiral, and non-magnetic drill collars; their sizes are from 3-1/8 to 11 inches.

WEIGAO Drill collars are made of AISI 4145 H modified alloy steel or non-magnetic material. Other grades are available on request. WEIGAO drill collars are used successfully for sour gas wells. After forging or rolling, the bars are peeled, heat treated, stress relieved, ultrasonically inspected and straightened to API specifications, to ensure that each bar will meet the physical properties.

Company Contact:

  • Phone: 08603514388799

  • Address: No.3,South Industrial Zone Of Nanshahe, Songzhuang, Taiyuan, China

  • Email: Email

Published date: July 19, 2013 -

  • Business Description: Shanxi Weigao Petroleum Drilling Tools Co., Ltd, a private high tech

    enterprise integrating scientific research, production and marketing,

    with years of history in the production of petroleum drilling collars,

    square kellys, and other products, produces series of petroleum drilling

    machineries and no excavation drills professionally.

    We have many kinds of high precision manufacturing and inspection equipment: special numerical control pipe thread lathes, large cylindrical lathes, milling machine, deep hole boring machine, friction welding machine, medium frequency heat treatment production line, as well as variety of thread gauge, single measuring instruments, thickness gauges, hardness testers, ultrasonic flaw detectors, ballistic work testing machines, universal hydraulic testing machines with microcomputer display and so on.

    With sophisticated production equipment, strict inspecting method and strong technology strength, we have mastered the key technique in producing petroleum drilling tools, whole process of production meet the requirement of API standard. Our company has already won the Certification of Quality System ISO9001:2000 and has obtained the product logo licenses of API SPEC7 1 (Certificate No.7 1 0625) and API Q1 (Certificate No.0571), which are issued by American Petroleum Institute.

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