发明名称 |
IMPROVED PROCESS FOR ENHANCED OIL RECOVERY |
摘要 |
<p>Method 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 surfactant concentration in the solution being higher than 100 ppm (parts per million), characterized in that the said polymer contains at least one hydrophobic cationic monomer.</p> |
申请公布号 |
CA2698785(C) |
申请公布日期 |
2015.12.08 |
申请号 |
CA20082698785 |
申请日期 |
2008.09.10 |
申请人 |
SNF SAS |
发明人 |
FAVERO, CEDRIC;GAILLARD, NICOLAS |
分类号 |
E21B43/22;C09K8/584;C09K8/588 |
主分类号 |
E21B43/22 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|