发明名称 |
Fixed-point packoff element with primary seal test capability |
摘要 |
A fixed-point packoff element for a full-bore pressure isolation tool supports a primary seal and a test seal to permit the primary seal to be tested by injecting test fluid through a side port of a tubing head spool before the pressure isolation tool is rigged up for a well stimulation procedure.
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申请公布号 |
US2009008100(A1) |
申请公布日期 |
2009.01.08 |
申请号 |
US20070824691 |
申请日期 |
2007.07.02 |
申请人 |
STINGER WELLHEAD PROTECTION, INC. |
发明人 |
ARTHERHOLT DANNY LEE |
分类号 |
E21B33/02 |
主分类号 |
E21B33/02 |
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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