| 发明名称 |
Drilling fluids |
| 摘要 |
A drilling fluid is described, consisting essentially of sodium carboxymethyl cellulose, bentonite, water, and at least one compound selected from 2-mercaptobenzimidazole compounds, 2-mercaptobenzothiazole compounds, 2-mercaptothiazoline and 2-thioimidazolidone.
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| 申请公布号 |
US4605505(A) |
申请公布日期 |
1986.08.12 |
| 申请号 |
US19850719388 |
申请日期 |
1985.04.02 |
| 申请人 |
NITTO CHEMICAL INDUSTRY CO., LTD. |
发明人 |
YANAGIDA, MAKOTO;SEKIMOTO, YUKIHIKO;KANDA, SHOICHI |
| 分类号 |
C09K8/22;(IPC1-7):C09K7/02 |
主分类号 |
C09K8/22 |
| 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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