| 发明名称 |
DRILLING FLUID LUBRICANT AND METHOD OF USE |
| 摘要 |
<p>A method for increasing drilling rates by reducing torque and drag in hostile environments such as high pressure, high temperature, and horizontal wells is provided by adding chemically and thermally inert spherical carbon beads to the drilling fluid.</p> |
| 申请公布号 |
WO2009035758(A1) |
申请公布日期 |
2009.03.19 |
| 申请号 |
WO2008US69916 |
申请日期 |
2008.07.14 |
| 申请人 |
SUPERIOR GRAPHITE CO. |
发明人 |
WAWRZOS, FRANK, A.;WEINTRITT, DONALD, J. |
| 分类号 |
C09K8/03 |
主分类号 |
C09K8/03 |
| 代理机构 |
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代理人 |
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| 主权项 |
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