| 发明名称 |
Drilling mud additive. |
| 摘要 |
A drilling mud additive comprising graphite, a silicate such as phlogopite and a silicone such as dimethylpolysiloxane and drilling muds including the additive. |
| 申请公布号 |
ZA9209373(B) |
申请公布日期 |
1993.06.02 |
| 申请号 |
ZA19920009373 |
申请日期 |
1992.12.03 |
| 申请人 |
CHEMICAL SERVICES LIMITED |
发明人 |
JOHANNES MEINTJIES DE BEER |
| 分类号 |
C09K8/035;C09K8/20;C09K8/24 |
主分类号 |
C09K8/035 |
| 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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