发明名称 |
PILOTING ACTUATOR VALVE FOR SUBTERRANEAN FLOW CONTROL |
摘要 |
<p>A piloting actuator valve controls flow in a well. The piloting actuator valve is combined with a downhole completion and utilizes a pilot valve to control actuation of a main valve. A controllable actuator is coupled to the pilot valve and enables selective control over the pilot valve which, in turn, controls the state of the main valve.</p> |
申请公布号 |
CA2517408(C) |
申请公布日期 |
2010.01.26 |
申请号 |
CA20052517408 |
申请日期 |
2005.08.29 |
申请人 |
SCHLUMBERGER CANADA LIMITED |
发明人 |
OCALAN, MURAT |
分类号 |
E21B34/10;F16K31/42;H01F7/16 |
主分类号 |
E21B34/10 |
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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