| 发明名称 |
Method for detecting formation pore pressure by detecting pumps-off gas downhole |
| 摘要 |
A method for the detection of gas invading a wellbore during drilling by the influx of fluids which contain gas from the formations penetrated by a wellbore.
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| 申请公布号 |
US2009159337(A1) |
申请公布日期 |
2009.06.25 |
| 申请号 |
US20070004175 |
申请日期 |
2007.12.19 |
| 申请人 |
BP CORPORATION NORTH AMERICA, INC. |
发明人 |
ALBERTY MARK WILLIAM |
| 分类号 |
E21B47/06 |
主分类号 |
E21B47/06 |
| 代理机构 |
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代理人 |
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