| 发明名称 |
New applications of scleroglucan in the field of the treatment of hydrocarbon wells as completion fluid |
| 摘要 |
Use of polymers denoted by scleroglucan as completion fluid, especially as a viscosity-promoting agent and filtrate controller in brines. Notable range of properties, among others, good stability to temperature and to salts. <IMAGE>
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| 申请公布号 |
FR2570754(A1) |
申请公布日期 |
1986.03.28 |
| 申请号 |
FR19840014897 |
申请日期 |
1984.09.25 |
| 申请人 |
DOWELL SCHLUMBERGER ETU FABRICAT |
发明人 |
JACQUES DESBRIERES |
| 分类号 |
C09K8/08;C09K8/575;C09K8/62;C09K8/90;E21B43/04;(IPC1-7):E21B43/00;C09K7/02 |
主分类号 |
C09K8/08 |
| 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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