| 发明名称 |
Wellhead isolation mandrel with centralizing device |
| 摘要 |
A wellhead isolation tool including a mandrel and a centralizing device. The centralizing device will align the tool so that the lower end of the mandrel sealingly engages the production casing. The mandrel has an open bore for allowing service tools to pass therethrough.
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| 申请公布号 |
US2008110639(A1) |
申请公布日期 |
2008.05.15 |
| 申请号 |
US20060600614 |
申请日期 |
2006.11.15 |
| 申请人 |
STARR PHILLIP M;TESTA GERO D;MANKE KEVIN RAY |
发明人 |
STARR PHILLIP M.;TESTA GERO D.;MANKE KEVIN RAY |
| 分类号 |
E21B23/00 |
主分类号 |
E21B23/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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