发明名称 Modular well servicing combination unit
摘要 A single well servicing combination unit comprising: a hydraulic manifold removably connectable to the power-take-off of a power source to drive a plurality of hydraulic pumps and motors that control a plurality of well servicing modules that are removably mounted on said combination unit, said well servicing modules being interconnectable by plumbing.
申请公布号 US2008264649(A1) 申请公布日期 2008.10.30
申请号 US20070796168 申请日期 2007.04.29
申请人 CRAWFORD JAMES D 发明人 CRAWFORD JAMES D.
分类号 E21B23/00 主分类号 E21B23/00
代理机构 代理人
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