可通过钻井液压马达在一个海洋平台或沙漠平台上进行大位移钻井、丛式井钻井技术
Sealed driving shaft drilling motors: The ordinary mud lubricated driving shaft is replaced with oil lubricated seal driving shaft, which improves
the working conditions of the thrust and radial bearings, thus extending the service life of the drilling motors
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NON-MAGNETIC SUB | Replacement of Baker Upper Hanger Orientation Sub |
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FISHING TOOLS | Internal Hook |
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DRILLING JAR | LHBZ mechanical drilling jar is a full mechanical drilling jar, it also can be used as fishing tool. It generates upward jarring as well as downwar... |
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