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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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