| 发明名称 |
Leak Detection Method for a Rotating Control Head Bearing Assembly and its Latch Assembly using a Comparator |
| 摘要 |
A leak detection method uses a comparator to compare fluid values in and from the latch assembly of the latch system for an oilfield device and/or in and from the bearing assembly of a rotating control head.
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| 申请公布号 |
US2011168382(A1) |
申请公布日期 |
2011.07.14 |
| 申请号 |
US201113071800 |
申请日期 |
2011.03.25 |
| 申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
BAILEY THOMAS F.;CHAMBERS JAMES W. |
| 分类号 |
E21B17/10 |
主分类号 |
E21B17/10 |
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代理人 |
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