发明名称 |
Upper zone isolation tool for intelligent well completions |
摘要 |
Improved methods and apparatus for isolating and opening a subterranean zone in a multiple zone well. An isolation tool is installed in the well with a tubing string accessing a particular zone. The tool can be remotely opened and closed to provide access to the zone either mechanically or by applying pressure variation sequences to the tool.
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申请公布号 |
US6634429(B2) |
申请公布日期 |
2003.10.21 |
申请号 |
US20010932188 |
申请日期 |
2001.08.17 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
HENDERSON WILLIAM DAVID;CAVENDER TRAVIS WAYNE |
分类号 |
E21B34/10;E21B34/14;E21B43/14;(IPC1-7):E21B34/00 |
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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