| 发明名称 |
FRICTION REDUCTION MECHANISM FOR A DOWNHOLE RELEASE ASSEMBLY |
| 摘要 |
A mechanism to enhance disengagement of release assembly portions from one another when disposed in a well. The mechanism may be disposed at an internal rod of the release assembly and configured to prevent frictional resistance to shifting of the rod. |
| 申请公布号 |
EP2831363(A1) |
申请公布日期 |
2015.02.04 |
| 申请号 |
EP20130768213 |
申请日期 |
2013.03.29 |
| 申请人 |
SERVICES PÉTROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V. |
发明人 |
MARTIN, BRANDON;GRANT, DOUGLAS W.;NELSON, KEITH R. |
| 分类号 |
E21B17/06;E21B17/03;E21B17/10 |
主分类号 |
E21B17/06 |
| 代理机构 |
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代理人 |
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