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TORQUE REDUCTION SUB
Torque reduction sub is to reduce the excessive torque generated by drilling in short radius horizontal section and large angle well section. It is mainly connected between short radius horizontal section and large angle well section, propose to connect a torque reduction sub by every 60ft, it can reduce 25-35% torque after using this tool, it’s slip spiral inner sleeve, straight rib outer sleeve and body mandrel are relatively in non-rotating condition.
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HYDRO CLEANER
The main purpose of hydro cleaner is to remove cement, sand, residual bullets after perforation, scratches, paraffin, burrs and other objects remaining on the inner wall of casing, keep the inner wall of casing clean so that it can run in various downhole tools. Normally used in horizontal wells and extended reach well. Its double spiral blades structure can effectively remove debris on inner wall, and at the same time, the hardfacing material can effectively improve service life of drill pipe.
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