Back-off Sub
Back-off Sub
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Integral Heavy Wight Drill Pipe | Size TubeOD(+1/16,-1/32) TubeOD1 ToolJointOD(+1/16,-1/32)2 ToolJointOD(+1/8,-0) Connection MaxElevatorUpsetDia CenterUpsetDia(+1/... |
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Box Tap | Thetapertapisaspecialfishingtoolmakingthreadintubedroppedobjectsuchasdrillpipeandoiltube.Thetapsareturnedfromhightrengthalloysteelforgingmaterialsa... |
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dril-collar | Non-magnetic Drill collars are made from Non-magnetic steel bars with low-strength by combining a proprietary chemical analysis and a rotary hammer... |
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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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Spiral Drill Collar With Elevator Groove And Slip Groove | Elevator groove and slip groove made on box thread face of slick drill collar or spiral drill collar can be used as lifting sub and safety slip whe... |
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