| 发明名称 |
Structured surfactants. |
| 摘要 |
<p>A pourable aqueous composition for use as, or for dilution to form, a drilling mud comprises a least 2% by weight of a water soluble polyvalent metal salt of an alkyl polyoxyalkylene sulphuric or carboxylic acid, and at least 1% by weight of a corresponding salt of an alkyl benzene sulphuric acid, preferably in the presence of a water soluble inorganic salt or base of said polyvalent metal.</p> |
| 申请公布号 |
GR3034732(T3) |
申请公布日期 |
2001.01.31 |
| 申请号 |
GR20000402421T |
申请日期 |
2000.10.30 |
| 申请人 |
ALBRIGHT & WILSON LIMITED |
发明人 |
BRYAN, EDWARD;GROVER, BOYD WILLIAM;NICHOLSON, WILLIAM JOHN |
| 分类号 |
C09K8/22;C11D1/04;C11D1/22;C11D1/29;C11D1/66;C11D1/72;C11D3/12;C11D3/14;C11D3/36;C11D3/37;C11D17/00;(IPC1-7):C11D17/00;C09K7/02 |
主分类号 |
C09K8/22 |
| 代理机构 |
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