| 发明名称 |
Durability of downhole tools |
| 摘要 |
An apparatus for downhole operation. The apparatus comprising a support body having a surface located in a borehole and a coating on an at least a portion of the surface of the support body. The coating is an inert material selected for reducing friction and corrosion. |
| 申请公布号 |
US8631864(B2) |
申请公布日期 |
2014.01.21 |
| 申请号 |
US20090867313 |
申请日期 |
2009.02.06 |
| 申请人 |
SAENGER RICHARD;DESROCHES JEAN;QUISEL NATALIA;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
SAENGER RICHARD;DESROCHES JEAN;QUISEL NATALIA |
| 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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