BIODEGRADABLE SUGAR-AMIDE-SURFACTANTS FOR ENHANCED OIL RECOVERY

摘要

The present invention relates to a composition comprising a) at least one compound selected from the group consisting of formulae (II) - (IV), wherein Ra is a C5 to C29 aliphatic hydrocarbon group, Rb is a C1 to C23 aliphatic hydrocarbon group, and b) a component selected from the group consisting of water, at least organic solvent, and a mixture of water and at least one organic solvent and its use as surfactant in EOR processes.