| 发明名称 |
Roller Standoff Assemblies |
| 摘要 |
Roller standoff assemblies and devices facilitate disposal of an interior tubular member within an exterior tubular member. Roller standoff devices include a roller cage and at least one roller supported by the roller cage to contact and roll upon the exterior tubular member. |
| 申请公布号 |
US2012255744(A1) |
申请公布日期 |
2012.10.11 |
| 申请号 |
US201213436950 |
申请日期 |
2012.04.01 |
| 申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
SHAIKH FARHAT A.;HUNZIKER JAMES C.;JUNGHANS PAUL G.;PARSLEY RON |
| 分类号 |
E21B17/10 |
主分类号 |
E21B17/10 |
| 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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