| 发明名称 |
TUBULAR ACTUATOR AND METHOD |
| 摘要 |
A tubular actuator includes, a restrictor disposed at a tubular that is engageably receptive to a runnable member run thereagainst as long as pressure remains above a latch pressure, the restrictor configured to allow passage of the runnable member after a delay at pressure equal to or below the latch pressure.
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| 申请公布号 |
US2011073320(A1) |
申请公布日期 |
2011.03.31 |
| 申请号 |
US20090566909 |
申请日期 |
2009.09.25 |
| 申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
FAY PETER J.;XU YANG |
| 分类号 |
E21B34/14;E21B23/00;E21B33/12;E21B34/06;F15B21/00;F16K31/00;F16L55/11 |
主分类号 |
E21B34/14 |
| 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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