| 发明名称 |
Dehydration of drilling mud |
| 摘要 |
There is provided an improved method for removing water from oil based drilling fluids used in the drilling of boreholes through the ground wherein MgSO4 (magnesium sulfate) is added to the drilling fluid to scavenge the water therefrom.
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| 申请公布号 |
US6216361(B1) |
申请公布日期 |
2001.04.17 |
| 申请号 |
US19990451885 |
申请日期 |
1999.12.01 |
| 申请人 |
NEWPARK CANADA INC. |
发明人 |
SMITH RICHARD J.;JEANSON DAVID ROGER |
| 分类号 |
F26B5/00;(IPC1-7):F26B3/00 |
主分类号 |
F26B5/00 |
| 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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