公开(公告)号：US20200239762A1

公开(公告)日：2020-07-30

申请号：US16617575

申请日：2018-05-16

Applicant: BASF SE ,  Wintershall Holding GmbH

Inventor： Christian BITTNER ,  Guenter OETTER ,  Christian SPINDLER ,  Hans BULLIEN ,  David LEY ,  Lorenz SIGGEL

IPC: C09K8/60 ,  C09K8/86 ,  E21B43/16

Abstract: The present invention relates to a method of producing mineral oil from underground mineral oil deposits, in which an aqueous saline surfactant formulation comprising a surfactant mixture, for the purpose of lowering the interfacial tension between oil and water to

公开(公告)号：US20220002614A1

公开(公告)日：2022-01-06

申请号：US17295903

申请日：2019-11-19

Applicant: BASF SE

Inventor： Christian BITTNER ,  Christian SPINDLER ,  Guenter OETTER ,  David LEY ,  Lorenz SIGGEL

IPC: C09K8/584 ,  C09K8/28

Abstract: The present invention relates to a method of producing mineral oil from an underground mineral oil deposit, in which an aqueous saline surfactant formulation comprising a surfactant mixture, for the purpose of lowering the interfacial tension between oil and water to