发明名称 |
PUMP FOR PUMPING HYDRAULIC WELL CONTROL FLUID INTO A PRODUCTION FLOWLINE |
摘要 |
<p>A pump for use in pumping hydraulic well control fluid expelled from a control device of a well, comprises means for accumulating such hydraulic well control fluid and means for using the pressure of hydraulic fluid supplied to the well to pump accumulated hydraulic well control fluid into a production flowline of the well.</p> |
申请公布号 |
EP2382369(B1) |
申请公布日期 |
2012.11.21 |
申请号 |
EP20090771585 |
申请日期 |
2009.12.10 |
申请人 |
VETCO GRAY CONTROLS LIMITED |
发明人 |
GILL, SIMON DAVID |
分类号 |
E21B41/00;F04B5/02;F04B9/109;F04B9/117 |
主分类号 |
E21B41/00 |
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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