发明名称 |
DOWNHOLE TOOL AND METHOD TO BOOST FLUID PRESSURE AND ANNULAR VELOCITY |
摘要 |
A disclosed embodiment of a downhole tool includes a pump that is powered by rotation of the drill string to increase fluid pressure during downhole circulation. |
申请公布号 |
CA2912971(A1) |
申请公布日期 |
2015.01.22 |
申请号 |
CA20132912971 |
申请日期 |
2013.07.16 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
MARR, ALAN WILLIAM |
分类号 |
E21B21/00;E21B21/08;F15B3/00 |
主分类号 |
E21B21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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