| 发明名称 |
Well fluid and method of making |
| 摘要 |
A by-product of corn is utilized in the drilling fluid while drilling boreholes to reduce friction and to reduce the normal adverse effects inherent in each drilling fluid.
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| 申请公布号 |
US5431237(A) |
申请公布日期 |
1995.07.11 |
| 申请号 |
US19940335087 |
申请日期 |
1994.11.07 |
| 申请人 |
BOTTOM LINE INDUSTRIES, INC. |
发明人 |
WITTLIFF, JAMES R. |
| 分类号 |
C09K8/10;C09K8/32;(IPC1-7):E21B33/138;C09K7/02 |
主分类号 |
C09K8/10 |
| 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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