| 发明名称 |
SLOTTED SLIP ELEMENT FOR EXPANDABLE PACKER |
| 摘要 |
A packer device (10) includes a central packer mandrel (12) and a radially surrounding expansion mandrel (18) that can expand radially. At least one slip mandrel (30, 32) carrying wickers (38) surrounds the expansion mandrel and a plurality of axial slots (40, 41) are disposed within the slip mandrel.
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| 申请公布号 |
CA2606406(C) |
申请公布日期 |
2011.02.15 |
| 申请号 |
CA20062606406 |
申请日期 |
2006.04.28 |
| 申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
DOANE, JAMES C.;HARPER, JASON M. |
| 分类号 |
E21B33/12;E21B23/06;E21B33/129;E21B33/1295 |
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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| 地址 |
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