Back-off Sub
Back-off Sub
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Integral Heavy Wight Drill Pipe | The wall thickness of heavy weight drill pipe is between drill pipe and drill collar,its structure is simliar with drill pipe.It is made from premi... |
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LT-T Type Releasing Overshot | The releasing overshot is the special external fishing tool used for fishing drilcollar ,drill pipe ,oil tube and other fishes in drilling and work... |
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Back-off Sub | Back-off Sub Type OD(mm) ID(mm) Connection(API) ThreadforFishing(API) OAL(mm) ZDK105-1-00 105 20 NC31LH 27... |
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Integral Heavy Weight Drill Pipe | The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is similar with drill pipe. It is made from pre... |
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