发明名称 |
Downhole sealing tools and method of use |
摘要 |
A downhole tool apparatus for insertion into and sealing engagement with a wellbore. The apparatus comprises a tube having an expandable diameter, and a gripping member joined to the tube adapted to engage a portion of the wellbore to limit movement of the tube within the wellbore. The tube may also include a sealing member adapted to mate with the wellbore to form a sealing engagement.
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申请公布号 |
US6966386(B2) |
申请公布日期 |
2005.11.22 |
申请号 |
US20020268531 |
申请日期 |
2002.10.09 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
RINGGENBERG PAUL D.;VARGUS GREGORY W.;STEPP LEE WAYNE;SMITH DONALD R.;HINKIE RONALD L.;FOLDS DON S. |
分类号 |
E21B33/128;E21B33/1295;E21B33/134;(IPC1-7):E21B33/127 |
主分类号 |
E21B33/128 |
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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