-
公开(公告)号：WO2020079148A1
公开(公告)日：2020-04-23
申请号：PCT/EP2019/078211
申请日：2019-10-17
申请人： BASF SE
发明人： EL-TOUFAILI, Faissal-Ali , LOESCH, Dennis , SCHMIDT, Anna-Corina , ZIMMERMANN, Tobias Joachim , OSTERMAYR, Markus , TINSLEY, Jack , BUSBY, Brent
摘要： Process of fracturing subterranean, oil-and/or gas-bearing formations by injecting an aqueous fracturing fluid into a wellbore at a rate and pressure sufficient to penetrate into the formation, and to initiate or extend fractures in the formation, wherein the aqueous fracturing fluid is obtained by mixing at least an aqueous base fluid and an aqueous polyacrylamide concentrate having a concentration of 3.1to 14.9 % by weight of polyacrylamides, relating to the total of all components of the aqueous polyacrylamide concentrate, and wherein at least a part of the aqueous fracturing fluid injected additionally comprises a proppant.
-
公开(公告)号：WO2019081330A1
公开(公告)日：2019-05-02
申请号：PCT/EP2018/078511
申请日：2018-10-18
申请人： BASF SE
发明人： SPRAFKE, Hazel , ZIMMERMANN, Tobias Joachim , MECKELNBURG, Dirk , LOESCH, Dennis , OSTERMAYR, Markus , EL-TOUFAILI, Faissal-Ali
摘要： Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide gel hold in a transportable polymerization unit from a location A to a location B. The transportable polymerization unit comprises a cylindrical upper part, a conical part at its lower end, feeds for the aqueous monomer solution, a closable bottom opening, and means allowing to deploy the polymerization unit in a vertical manner.
-
3.发明申请
公开(公告)号：WO2020084033A1
公开(公告)日：2020-04-30
申请号：PCT/EP2019/078971
申请日：2019-10-24
申请人： BASF SE
发明人： LANGLOTZ, Bjoern , ZIMMERMANN, Tobias Joachim , REICHENBACH-KLINKE, Roland , BITTNER, Christian , BRODT, Gregor
IPC分类号： C09K8/588
摘要： Die vorliegende Erfindung betrifft hydrophob assoziierende Monomere, welche eine copolymerisierbare, ethylenisch ungesättigte Gruppe sowie eine Polyetherstruktur in Blockform, welche aus einem Polyethylenoxy-Block und einem Polypropylenoxy-Block besteht, umfassen. Die Erfindung betrifft ferner ein hydrophob assoziierendes Copolymere, enthaltend hydrophob assoziierende Monomere, sowie die Verwendung von hydrophob assoziierenden Copolymeren bei der tertiären Erdölförderung.
-
公开(公告)号：WO2019081319A1
公开(公告)日：2019-05-02
申请号：PCT/EP2018/078489
申请日：2018-10-18
申请人： BASF SE
发明人： SPRAFKE, Hazel , OSTERMAYR, Markus , ZIMMERMANN, Tobias Joachim , LOESCH, Dennis , MECKELNBURG, Dirk , EL-TOUFAILI, Faissal-Ali
摘要： Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide gel hold in a transportable polymerization unit from a location A to a location B. The aqueous polyacrylamide gel furthermore comprises at least one stabilizer for prevention of polymer degradation.
-
公开(公告)号：WO2021175757A1
公开(公告)日：2021-09-10
申请号：PCT/EP2021/054990
申请日：2021-03-01
申请人： BASF SE
发明人： BARRERA-MEDRANO, Daniel , EL-TOUFAILI, Faissal-Ali , SCHMIDT, Anna-Corina , TINSLEY, Jack, F , BUSBY, Brent , LOESCH, Dennis , OSTERMAYR, Markus , ZIMMERMANN, Tobias Joachim
摘要： Method of manufacturing an aqueous polyacrylamide premix, wherein the aqueous polyacrylamide premix is prepared by mixing a polyacrylamide inverse emulsion or a liquid dispersion polymer comprising polyacrylamides with an aqueous fluid thereby obtaining an aqueous premix comprising at least water, an organic hydrophobic liquid and polyacrylamides, wherein the polyacrylamide concentration is from 2 to 19.9 % by weight of polyacrylamides and allowing the aqueous premix to ripen for a certain time. Use of such an aqueous premix for various applications, in particular for hydraulic fracturing and enhanced oil recovery.
-
公开(公告)号：WO2020079120A1
公开(公告)日：2020-04-23
申请号：PCT/EP2019/078158
申请日：2019-10-17
申请人： BASF SE
摘要： The present invention relates to a process for preparing ammonium (meth-) acrylate, aqueous ammonium (meth-) acrylate solutions obtainable by such process, and (meth-) acrylic acid homopolymers or copolymers obtainable by polymerizing such ammonium (meth-) acrylate. The invention furthermore relates to a modular, relocatable bioconversion unit for manufacturing aqueous ammonium (meth-) acrylate solutions.
-
7.发明申请
公开(公告)号：WO2020084046A1
公开(公告)日：2020-04-30
申请号：PCT/EP2019/079019
申请日：2019-10-24
申请人： BASF SE
发明人： BITTNER, Christian , LANGLOTZ, Bjoern , ZIMMERMANN, Tobias Joachim , REICHENBACH-KLINKE, Roland
IPC分类号： C09K8/588
摘要： Die vorliegende Erfindung betrifft ein Verfahren mittels DMC-Katalyse zur Herstellung von hydrophob assoziierenden Monomeren, welche eine copolymerisierbare, ethylenisch ungesättigte Gruppe sowie eine Polyetherstruktur in Blockform, welche aus einem Polyethylenoxy-Block und einem Polypropylenoxy-Block besteht, umfassen. Die Erfindung betrifft ferner wasserlösliche hydrophob assoziierende Copolymere, enthaltend so hergestellte hydrophob assoziierende Monomere, sowie die Verwendungder wasserlöslichen hydrophob assoziierenden Copolymere bei der tertiären Erdölförderung.
-
公开(公告)号：WO2020079149A1
公开(公告)日：2020-04-23
申请号：PCT/EP2019/078213
申请日：2019-10-17
申请人： BASF SE
发明人： EL-TOUFAILI, Faissal-Ali , LOESCH, Dennis , SCHMIDT, Anna-Corina , ZIMMERMANN, Tobias Joachim , OSTERMAYR, Markus , TINSLEY, Jack , BUSBY, Brent , BARRERA-MEDRANO, Daniel
摘要： Process of providing polyacrylamides to a site-of-use comprising at least the steps of mixing a polyacrylamide powder at a manufacturing site with an aqueous liquid, thereby obtaining a homogeneous aqueous polyacrylamide concentrate, transporting said concentrate in a transport unit from the manufacturing site to the site-of-use, and removing the homogeneous aqueous concentrate from the transport unit at the site-of-use. Process of treating subterranean, oil and/or gas bearing formations by injecting an aqueous treatment fluid into at least one wellbore, wherein the aqueous treatment fluid is manufactured by mixing at least an aqueous base fluid with said homogeneous aqueous polyacrylamide concentrate at the site-of-use.
-
公开(公告)号：WO2020079119A1
公开(公告)日：2020-04-23
申请号：PCT/EP2019/078157
申请日：2019-10-17
申请人： BASF SE
发明人： EL-TOUFAILI, Faissal-Ali , LOESCH, Dennis , SCHMIDT, Anna-Corina , ZIMMERMANN, Tobias Joachim , OSTERMAYR, Markus , TINSLEY, Jack , BUSBY, Brent
IPC分类号： C08F20/56 , C08F2/01 , C08F220/56 , C12P13/02 , E21B7/00
摘要： Method of providing aqueous polyacrylamide concentrates, wherein the process comprises preparing the concentrates at a location A by radically polymerizing an aqueous monomer solution comprising at least water and 1% to 14.9 % by weight - relating to the total of all components of the aqueous monomer solution - of water-soluble, monoethylenically unsaturated monomers, wherein said water-soluble, monoethylenically unsaturated monomers comprise at least acrylamide and transporting the obtained aqueous polyacrylamide concentrates to a different location B by transport means selected from the group of trucks, railcars or ships.
-
公开(公告)号：WO2019081328A1
公开(公告)日：2019-05-02
申请号：PCT/EP2018/078503
申请日：2018-10-18
申请人： BASF SE
发明人： ZIMMERMANN, Tobias Joachim , SINZINGER, Michael , SCHWARZ, Mirjam , ERL, Veronika , KRONAST, Alexander
IPC分类号： C08F2/10 , C08F220/56 , C08F220/54 , C08F216/14 , C09K8/588 , C09K8/68 , C09K8/88 , E21B21/06
摘要： Process for producing hydrophobically associating polyacrylamides Summary Process of manufacturing hydrophobically associating polyacrylamides comprising at least acrylamide or derivatives thereof and an associative monomer by adiabatic gel polymerization of an aqueous monomer solution, wherein the concentration of the monomers in the aqueous solution is from 1mole / kg to 3.3 mole / kg, relating to the total of all components of the aqueous monomer solution. The process yields hydrophobically associating polyacrylamides having an improved viscosity efficiency. Hydrophobically associating polyacrylamides obtainable by the process of the present invention and use of such hydrophobically associating polyacrylamides for oilfield applications, in particular for enhanced oil recovery, conformance control and hydraulic fracturing.
-
-
-
-
-
-
-
-
-
搜索结果
14 条记录 (耗时 0.01 秒)
