Variable Diameter Stabilizer - Chinaprice: contact company for price
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
- Posted By: Mudanjiang Dongxu Machinery Co.,Ltd
- Phone: 8613614631909
- Address: Dongxu 2st, No.5, Aimin Dis, Mudanjiang , China
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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