| 发明名称 |
WELL PACKER HAVING AN ENERGIZED SEALING ELEMENT AND ASSOCIATED METHOD |
| 摘要 |
The present invention provides for a seal assembly that maintains a seal under various conditions by providing a source of stored energy that can be used to insure contact forces are maintained.
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| 申请公布号 |
CA2482137(C) |
申请公布日期 |
2012.08.07 |
| 申请号 |
CA20042482137 |
申请日期 |
2004.09.22 |
| 申请人 |
SCHLUMBERGER CANADA LIMITED |
发明人 |
GAMBIER, PHILIPPE |
| 分类号 |
E21B33/12;E21B33/127 |
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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