| 发明名称 |
LATERAL LINER TIEBACK ASSEMBLY |
| 摘要 |
The invention relates to a tieback hanger for connecting the liner of a lateral well bore to the parent well bore. The tieback hanger includes a spring which maintain s a constant force on the tieback hanger to prevent it from protruding into the parent well bore.
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| 申请公布号 |
CA2238500(C) |
申请公布日期 |
2005.05.03 |
| 申请号 |
CA19982238500 |
申请日期 |
1998.05.14 |
| 申请人 |
STELLARTON ENERGY CORPORATION |
发明人 |
GEORGE, GRANT E.E.;BEGG, STEPHEN M. |
| 分类号 |
E21B41/00;(IPC1-7):E21B33/129;E21B33/04;E21B33/138 |
主分类号 |
E21B41/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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