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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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Integral Spiral Heavy Weight Drill Pipe | Integral spiral heavy weight drill pipe is to extend the central upset of heavy weight drill pipe and to cut spiral groove on heavy weight drill pi... |
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The LL Type Reverse Circulation Junk Basket | The LL type reverse circulation junk basket is used to retrieve all types of small junk objects such as cone,cutter,hand tool and junks from the bo... |
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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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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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