发明名称 |
PROCESS FOR OIL RECOVERY |
摘要 |
Oil and water microemulsions having a high salt content and intended for assisted petroleum recovery are prepared from a concentrate containing: a mixture of at least three surfactants constituted respectively by a salt of an alkylsulphuric acid, a salt of an alkylaryl sulphonic acid and a salt of a carboxylic acid derivative selected from the group comprising sulphosuccinic acid and sulphosuccinamic acid, at least one cosurfactant constituted by a compound which is capable of forming hydrogen bonds with water. |
申请公布号 |
RO84161(B) |
申请公布日期 |
1984.07.30 |
申请号 |
RO19770092339 |
申请日期 |
1977.12.06 |
申请人 |
SOCIETE NATIONALE ELF AQUITAINE |
发明人 |
BARRIOL JEAN-PAUL;COSTE JEAN FRANCOIS;GRANGETTE HENRI |
分类号 |
C10L1/32;B01F17/00;B01F17/10;C09K8/584;C10L10/18;E21B43/22 |
主分类号 |
C10L1/32 |
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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