| 发明名称 |
SWEEP IMPROVEMENT IN ENHANCED OIL RECOVERY |
| 摘要 |
<p>A method for mobility control during enhanced oil recovery in a subterranean oil-bearing formation concerns the generation of foam by the dispersion of the displacing fluid in an aqueous solution of a mixed surfactant. The mixed surfactant comprises a lignosulfonate and a surfactant with strong foaming characteristics.</p> |
| 申请公布号 |
CA1221305(A) |
申请公布日期 |
1987.05.05 |
| 申请号 |
CA19840459446 |
申请日期 |
1984.07.23 |
| 申请人 |
CITIES SERVICE OIL & GAS CORPORATION |
发明人 |
DJABBARAH, NIZAR F. |
| 分类号 |
E21B43/25;(IPC1-7):E21B43/25 |
主分类号 |
E21B43/25 |
| 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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