发明名称 |
Fracturing plug convertible to a bridge plug |
摘要 |
A tool that is easily convertible from a frac plug to a bridge plug is disclosed. The tool comprises a mandrel with a mule shoe connected to the lower end thereof. A closing ball is disposed in a cavity defined by the mule shoe. The mandrel is threaded to receive a plug at or near the upper end thereof to convert the frac plug to a bridge plug.
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申请公布号 |
US7740079(B2) |
申请公布日期 |
2010.06.22 |
申请号 |
US20070893445 |
申请日期 |
2007.08.16 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
CLAYTON ROBERT;PORTER JESSE |
分类号 |
E21B33/12;E21B33/129 |
主分类号 |
E21B33/12 |
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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