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Short Drill Pipe | Short drill pipe is a tool for adjusting interval length of drilling tools to achieve some technical purpose in the drilling operation . According ... |
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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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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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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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