发明名称 |
Hydraulically actuated control system for use in a subterranean well |
摘要 |
A control system for use in controlling actuation of tools in a subterranean well. In a described embodiment, a control system includes a well tool, an actuator for the well tool and a control module interconnected between the actuator and first and second fluid lines. The control module is operative to meter a predetermined volume of fluid from the actuator to the second line in response to pressure applied to the first line.
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申请公布号 |
US7013980(B2) |
申请公布日期 |
2006.03.21 |
申请号 |
US20030643488 |
申请日期 |
2003.08.19 |
申请人 |
WELLDYNAMICS, INC. |
发明人 |
PURKIS DANIEL G.;CURINGTON ALFRED R. |
分类号 |
E21B7/12;E21B34/10;E21B34/16;E21B41/00 |
主分类号 |
E21B7/12 |
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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