| 发明名称 |
STAGED PREFORMED-SURFACTANT-OPTIMIZED AQUEOUS ALKALINE FLOOD |
| 摘要 |
<p>K 8955 CAN STAGED PREFORMED-SURFACIANT-OPTIMIZED AQUEOUS ALKALINE FLOOD Oil is recovered from an acidic oil reservoir by injecting an alkaline, saline, aqueous solution containing proportions of preformed cosurfactant which are decreased as increasing amounts of the solution are injected. DURH04/CS</p> |
| 申请公布号 |
CA1221621(A) |
申请公布日期 |
1987.05.12 |
| 申请号 |
CA19840467014 |
申请日期 |
1984.11.05 |
| 申请人 |
SHELL CANADA LIMITED |
发明人 |
LAWSON, JIMMIE B.;THIGPEN, DAVID R. |
| 分类号 |
C09K8/58;(IPC1-7):E21B43/20 |
主分类号 |
C09K8/58 |
| 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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