| 发明名称 |
WELLBORE ANCHOR |
| 摘要 |
A wellbore anchor tool employing at least one pair of slip segments (32) which wrap at least partially around a mandrel (29) passing through the tool, the individual slip segments (34, 35) carrying bearing surfaces (34) and restraint members for holding the slip segments (32) in the tool but at the same time in slidable engagement with the tool.
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| 申请公布号 |
WO9506186(A1) |
申请公布日期 |
1995.03.02 |
| 申请号 |
WO1994US07179 |
申请日期 |
1994.06.24 |
| 申请人 |
ATLANTIC RICHFIELD COMPANY;ALPHA MANUFACTURING, INC. |
发明人 |
THORNTON, WILLIE, HANSEL, JR. |
| 分类号 |
E21B23/01;(IPC1-7):E21B23/04 |
主分类号 |
E21B23/01 |
| 代理机构 |
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代理人 |
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