发明名称 |
WELLBORE PRESSURE CONTROL WITH OPTIMIZED PRESSURE DRILLING |
摘要 |
A well system can include an accumulator in communication with a wellbore, whereby the accumulator applies pressure to the wellbore. A method of maintaining a desired pressure in a wellbore can include applying pressure to the wellbore from an accumulator in response to pressure in the wellbore being less than the desired pressure. Another well system can include a dampener in communication with a wellbore isolated from atmosphere, whereby the dampener mitigates pressure spikes in the wellbore.
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申请公布号 |
US2012255777(A1) |
申请公布日期 |
2012.10.11 |
申请号 |
US201213423384 |
申请日期 |
2012.03.19 |
申请人 |
BERNARD CHRISTOPHER J.;HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
BERNARD CHRISTOPHER J. |
分类号 |
E21B21/08;E21B27/00;E21B34/00;E21B44/00 |
主分类号 |
E21B21/08 |
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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