| 发明名称 |
PILOTING ACTUATOR VALVE FOR SUBTERRANEAN FLOW CONTROL |
| 摘要 |
The present invention provides for a pilot valve used in a well and in which the state of the pilot valve is controlled by an actuator.
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| 申请公布号 |
US2008149187(A1) |
申请公布日期 |
2008.06.26 |
| 申请号 |
US20080044487 |
申请日期 |
2008.03.07 |
| 申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
OCALAN MURAT |
| 分类号 |
F04F1/08;F16K31/42;H01F7/16 |
主分类号 |
F04F1/08 |
| 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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