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Drill stem tools
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Drill tool stabilizer

    The stabilizer is an important full-drilling tool used to prevent from borehole deviation in petroleum, natural gas, geological exploration and drilling engineering. When strong rigid drill collar is equipped with and large bit weight is given, the implementation of applicable stabilizer which reduces a rate of deviation and will improve the well wall quality, drilling speed and reduces drilling costs.
    The stabilizers type: (1)Integral spiral blade stabilizer; (2) Integral straight rib stabilizer; (3) Roller type stabilizer; (4) Replaceable sleeve spiral stabilizer. Four kinds of abrasive materials for working surface for stabilizer are available: (1) Inserted hard alloy; (2) Surface inserted diamond compound; (3) Low temperature surface brazing tungsten
carbide slug; (4) Surface bead welding abrasive welding rod.The stabilizers¡¯s mechanical performance are complied with API Spec7¨C1.

Technical parameters and specifications

O.D. of bit(in) O.D. of working(mm) Thread code on two ends
Drill string type Near bit end
Top end Down end Top end Down end
6 152¡«137 NC38 NC38 NC38 3 1/2REG
6 1/2 164¡«155 NC38 NC38 NC38 3 1/2REG
8 1/2 215¡«197 NC46,NC50 NC46,NC50 NC46,NC50 4 1/2REG
9 1/2 240¡«219 NC50 NC50 NC50 4 1/2REG
12 1/4 311¡«257 NC56,6 5/8REG NC56,6 5/8REG NC56,6 5/8REG 6 5/8REG
17 1/2 444¡«339 NC61,7 5/8REG NC61,7 5/8REG NC61,7 5/8REG 7 5/8REG
26 660¡«450 7 5/8REG 7 5/8REG 7 5/8REG 7 5/8REG

Copyright:Mudanjiang Construction Material Petroleum Machinery Co.,Ltd    HEI ICP 11006197 No. -1    Technical support:Mudanjiang excellence network company
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