发明名称 |
Cementing tool and method |
摘要 |
An apparatus and method includes releasably engaging a cementing tool in a casing assembly at a junction of plural wellbores. Cementing slurry is pumped through the cementing tool to fill an annular region around the casing assembly. The cementing tool is retrievable without first milling components at the junction. The cementing tool has an anchoring mechanism adapted to engage a landing profile of the casing assembly. Further, the cementing tool has an external seal adapted to seal inside the casing assembly.
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申请公布号 |
US6820691(B2) |
申请公布日期 |
2004.11.23 |
申请号 |
US20020054555 |
申请日期 |
2002.01.22 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
FOLLINI JEAN-MARC;GAASTRA ARNE;OHMER HERVE |
分类号 |
E21B7/06;E21B33/14;E21B41/00;E21B43/10;(IPC1-7):E21B33/13 |
主分类号 |
E21B7/06 |
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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