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Highlighted Companies

  • A Hay & Grain Co Inc (USA): involved in international trade import export. At Anderson Hay we offer a wide variety of feed... http://www.anderson-hay.com/

  • Variable Diameter Stabilizer - China

    price: contact company for price

    Variable diameter stabilizer is new tool for drilling

    operation. With special support head, variable diameter

    stabilizer can change the outside diameter by stretching out

    or drawing back support head so as to adjust the clearance

    between hole wall and stabilizer and avoid sticking.

    It is suited for formation which easily reduces diameter.

    When happen bit freezing accident, it can leave enough

    operating space for fishing job.Stabilizer is one of main

    drill tool assembly in hole guiding. During drilling in

    deviating and horizontal well , in view of workmanship,

    stabilizer OD is required to be equal or 1~2mm less than

    drill bit so that too small clearance between borehole wall

    and stabilizer usually causes stabilizer to be easily stuck

    during tripping out of hole.However, variable diameter

    stabilizer solves the problem which common stabilizer can

    not solves. During drilling in directional well, by use of

    differential pressure at nozzle produced by circulation of

    fluid among inside and outside of drill string, stabilizer

    stretch out supporting head to reach full hole so that

    stabilizer equipped with different drill tools to increase

    or angle drop or stabilize hole inclination. Meanwhile, when

    stop pump circulation, support head draws back so that

    stabilizer OD becomes small to improve tripping out


    Company Contact:

    • Phone: 8613614631909

    • Address: Dongxu 2st, No.5, Aimin Dis, Mudanjiang , China

    • Email: Email

    Published date: February 10, 2014 -

    • Business Description: Mudanjiang Dongxu Machinery Co.,Ltd has been honored with API spec 7 1

      certificate by America Petroleum Institute. Our factory covers an area

      of 20000square meters with a very strong team of technicians and

      researchers, possesses reliable production lines and advanced


      Our products: drilling tools,fishing tools,coring tools, diamond core bit, milling tools and so on. Our team will manufacture from existing designs or collaborate with the customer to design and manufacture to their specifications.

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