发明名称 |
IMPROVED PROCESS FOR ENHANCED OIL RECOVERY |
摘要 |
Process for enhanced oil recovery consisting in introducing into the injection water a solution containing at least one polymer and at least one surfactant, the surfactant/polymer weight ratio being between 1 and 10 and the concentration of surfactant in the solution being greater than 100 ppm (parts per million), characterized in that said polymer contains at least one hydrophobic cationic monomer. |
申请公布号 |
WO2009044075(A3) |
申请公布日期 |
2009.06.25 |
申请号 |
WO2008FR51611 |
申请日期 |
2008.09.10 |
申请人 |
SNF SAS;FAVERO, CEDRIC;GAILLARD, NICOLAS |
发明人 |
FAVERO, CEDRIC;GAILLARD, NICOLAS |
分类号 |
C09K8/584;C09K8/588;E21B43/22 |
主分类号 |
C09K8/584 |
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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