| 发明名称 |
Aqueous drilling fluid |
| 摘要 |
This invention relates to an aqueous drilling fluid containing a tall oil fraction as a lubricating additive, a method of drilling with said drilling fluid containing said tall oil lubricating additive and the tall oil lubricating additive per se.
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| 申请公布号 |
US4212794(A) |
申请公布日期 |
1980.07.15 |
| 申请号 |
US19770853057 |
申请日期 |
1977.11.21 |
| 申请人 |
DEUTSCHE TEXACO AG |
发明人 |
GRODDE, KARL-HEINZ;SCHULZ, ALFRED |
| 分类号 |
C09K8/20;(IPC1-7):C09F1/02;C09K7/02 |
主分类号 |
C09K8/20 |
| 代理机构 |
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