发明名称 |
DUAL BARRIER PLUG SYSTEM FOR A WELLHEAD |
摘要 |
A dual barrier plug system includes a frac spool, having a dual barrier plug disposed within the interior of the frac spool; a valve selector member disposed within the interior of the dual barrier plug; and the plurality of seals are used to seal fluid flow from below the frac spool, and the seals provide two barriers to each fluid flow.
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申请公布号 |
US2011036596(A1) |
申请公布日期 |
2011.02.17 |
申请号 |
US20100855543 |
申请日期 |
2010.08.12 |
申请人 |
NGUYEN KHANG VAN;TRUMBULL MARTIN ANTHONY |
发明人 |
NGUYEN KHANG VAN;TRUMBULL MARTIN ANTHONY |
分类号 |
E21B33/12;E21B19/00 |
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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