公开(公告)号：CA3064487A1

公开(公告)日：2018-12-06

申请号：CA3064487

申请日：2018-05-16

Applicant: BASF SE

Inventor： BITTNER CHRISTIAN ,  OETTER GUENTER ,  SPINDLER CHRISTIAN ,  BULLIEN HANS ,  LEY DAVID ,  SIGGEL LORENZ

IPC: C09K8/584 ,  C11D1/06 ,  C11D1/62 ,  C11D1/65 ,  C11D1/74 ,  C11D1/90

Abstract: The invention relates to a method for extracting petroleum from underground oil reservoirs, wherein an aqueous, salt-containing surfactant formulation comprising a surfactant mixture for lowering the interfacial tension between oil and water to