Integral Short Drill Rod Type DZ
Integral Short Drill Rod Type DZ series are mainly used in oil field, making the connection with drilling string. Our plant manufacture various integral short drill rods with E, X, G and S steel levels.
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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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Spiral drill collar |
Spiral Drill Collar is used to reduce contact area with hole so as to avoid efficiently bit sticking from differential pressure. spiral drill colla... |
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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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The Drilling Fishing Cup |
During drilling process,drilling fishing cup is applied mainly for fishing of shivers and fallen objects such as carbide tooth,drill bit and bearin... |
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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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