公开(公告)号：MY174671A

公开(公告)日：2020-05-06

申请号：MYPI2016000421

申请日：2011-03-04

Applicant: BASF SE

Inventor： DR OETTER GUNTER ,  DR BITTNER CHRISTIAN ,  DR TINSLEY JACK ,  DR SPINDLER CHRISTIAN ,  DR ALVAREZ JURGENSON GABRIELA ,  DR MAITRO-VOGEL SOPHIE ,  DR WLOKA VERONIKA ,  DR GUZMANN MARCUS

Abstract: The invention relates to a process for mineral oil production by means of Winsor Type III microemulsion flooding, in which an aqueous surfactant formulation comprising at least one ionic surfactant of the general formula R1-O-(CH 2C(CH3)HO)m(CH 2 CH 2O )n-XY- M+ is injected through injection boreholes into a mineral oil deposit, and crude oil is withdrawn from the deposit through production boreholes. The invention further relates to ionic surfactants of the general formula.

公开(公告)号：MY171132A

公开(公告)日：2019-09-27

申请号：MYPI2015001463

申请日：2013-12-13

Applicant: BASF SE

Inventor： DR BITTNER CHRISTIAN ,  LANGLOTZ BJORN ,  REICHENBACH-KLINKE ROLAND ,  DR WENZKE BENJAMIN ,  DR SPINDLER CHRISTIAN

Abstract: The present invention relates to water-soluble hydrophobically associating copolymers which are obtained in the presence of a nonpolymerizable surface-active compound and which comprise novel hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether block, the polyether block comprising a hydrophilic polyethyleneoxy block and a hydrophobic polyalkyleneoxy block consisting of alkyleneoxy units having at least 4 carbon atoms. The monomers may optionally have a terminal polyethyleneoxy block. The invention further relates to processes for preparing the copolymers and to the use thereof.

公开(公告)号：MY176140A

公开(公告)日：2020-07-24

申请号：MYPI2015001436

申请日：2013-12-13

Applicant: BASF SE

Inventor： DR ANNEN ULRICH ,  REICHENBACH-KLINKE ROLAND ,  DR BITTNER CHRISTIAN ,  LANGLOTZ BJORN ,  DR WENZKE BENJAMIN ,  DR SPINDLER CHRISTIAN ,  DR KLUMPE MARKUS ,  DR MEIER NICOLE ,  DR OSTROWSKI THOMAS

Abstract: The present invention relates to a process for preparing hydrophobically associating macromonomers M and to the novel macromonomers prepared by means of the process according to the invention. The macromonomers M comprise a copolymerizable, ethylenically unsaturated group and a polyether structure in block form, the latter consisting of a polyethyleneoxy block and a hydrophobic polyalkyleneoxy block consisting of alkyleneoxy units having at least 4 carbon atoms. Optionally, the macromonomers M may have a terminal polyethyleneoxy block. The macromonomers prepared by the process according to the invention are suitable for reaction with further monomers, especially with acrylamide, to give a water-soluble, hydrophobically associating copolymer.

公开(公告)号：MY161638A

公开(公告)日：2017-04-28

申请号：MYPI2012003985

申请日：2011-03-04

Applicant: BASF SE

Inventor： DR BITTNER CHRISTIAN ,  DR OETTER GÜNTER ,  DR TINSLEY JACK ,  DR SPINDLER CHRISTIAN ,  DR ALVAREZ-JÜRGENSON GABRIELA ,  DR MAITRO-VOGEL SOPHIE

IPC: C09K23/42 ,  C09K23/02 ,  E21B43/22 ,  C09K23/12 ,  C09K23/14 ,  C09K23/34

Abstract: THE INVENTION RELATES TO A PROCESS FOR MINERAL OIL EXTRACTION BY MEANS OF WINSOR TYPE III MICROEMULSION FLOODING, IN WHICH AN AQUEOUS SURFACTANT FORMULATION COMPRISING AT LEAST ONE IONIC SURFACTANT OF THE GENERAL FORMULA R1-O-(D)N-(B)M-(A)I-XY- M IS INJECTED THROUGH INJECTION BOREHOLES INTO A MINERAL OIL DEPOSIT, AND CRUDE OIL IS WITHDRAWN FROM THE DEPOSIT THROUGH PRODUCTION BOREHOLES. THE INVENTION FURTHER RELATES TO IONIC SURFACTANTS OF THE GENERAL FORMULA.

公开(公告)号：MY158942A

公开(公告)日：2016-11-30

申请号：MYPI2012003906

申请日：2011-03-04

Applicant: BASF SE

Inventor： DR BITTNER CHRISTIAN ,  DR OETTER GÜNTER ,  DR TINSLEY JACK ,  DR SPINDLER CHRISTIAN ,  DR ALVAREZ JÜRGENSON GABRIELA ,  DR MAITRO-VOGEL SOPHIE ,  DR WLOKA VERONIKA ,  DR GUZMANN MARCUS

IPC: E21B43/00

Abstract: A PROCESS FOR MINERAL OIL PRODUCTION BY MEANS OF WINSOR TYPE III MICROEMULSION FLOODING AND AN AQUEOUS SURFACTANT FORMULATION ARE DISCLOSED. THE AQUEOUS SURFACTANT FORMULATION CONTAINING AT LEAST ONE IONIC SURFACTANT OF THE GENERAL FORMULA R¹—O— (CH₂C(CH₃)HO)m(CH₂CH₂O)n—XY⁻M⁺ IS INJECTED THROUGH INJECTION BOREHOLES INTO A MINERAL OIL DEPOSIT, AND CRUDE OIL IS WITHDRAWN FROM THE DEPOSIT THROUGH PRODUCTION BOREHOLES.