| 发明名称 |
REMOTE INTERVENTION LOGIC VALVING METHOD AND APPARATUS |
| 摘要 |
<p>A system of valves (21 - 23, 26, 31 - 36, and 41 - 43) is disclosed wherein said valves operate over a designated pressure interval and are arranged to actuate performance of a sequenced set of events by downhole tools with the application of pressure to said valves.</p> |
| 申请公布号 |
CA2499901(A1) |
申请公布日期 |
2004.04.01 |
| 申请号 |
CA20032499901 |
申请日期 |
2003.07.29 |
| 申请人 |
EXXONMOBIL UPSTREAM RESEARCH COMPANY |
发明人 |
LONNES, STEVEN B.;SOREM, WILLIAM A. |
| 分类号 |
E21B34/06;E21B23/04;E21B34/10;E21B43/25;E21B43/26;E21B47/12;E21B47/18;F15B13/07;(IPC1-7):E21B34/06 |
主分类号 |
E21B34/06 |
| 代理机构 |
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代理人 |
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| 地址 |
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