公开(公告)号：US10221348B2

公开(公告)日：2019-03-05

申请号：US13914061

申请日：2013-06-10

Applicant: BASF SE

Inventor： Monika Santa ,  Ansgar Behler ,  Thomas Van Der Koelen

IPC: C09K8/58 ,  E21B43/16 ,  C09K8/584

Abstract: Method of recovering oil from a subterranean formation which comprises a step of injecting an aqueous composition comprising alkyl and/or alk(en)yl oligolucoside (ether) carboxylates into the subterranean formation and method of alkali-surfactant flooding and alkali-surfactant-polymer-flooding using such alkyl and/or alk(en)yl oligolucoside (ether) carboxylates.

公开(公告)号：US20130327523A1

公开(公告)日：2013-12-12

申请号：US13914061

申请日：2013-06-10

Applicant: BASF SE

Inventor： Monika Santa ,  Ansgar Behler ,  Thomas Van Der Koelen

IPC: C09K8/58 ,  C09K8/584 ,  E21B43/16

CPC classification number: C09K8/58 ,  C09K8/584 ,  E21B43/16

Abstract: Method of recovering oil from a subterranean formation which comprises a step of injecting an aqueous composition comprising alkyl and/or alk(en)yl oligolucoside (ether) carboxylates into the subterranean formation and method of alkali-surfactant flooding and alkali-surfactant-polymer-flooding using such alkyl and/or alk(en)yl oligolucoside (ether) carboxylates.

Abstract translation: 从地层中回收油的方法，其包括将含有烷基和/或烷基（en）基寡糖苷（醚）羧酸盐的水性组合物注入到地层中的步骤，碱 - 表面活性剂淹没和碱 - 表面活性剂 - 聚合物 - 使用这种烷基和/或烷基（烯）基寡聚糖苷（醚）羧酸盐进行淹水。