Method of mineral oil production
    24.
    发明专利

    公开(公告)号:AU2015348408B2

    公开(公告)日:2019-08-15

    申请号:AU2015348408

    申请日:2015-11-17

    Applicant: BASF SE

    Abstract: The present invention relates to a method of producing mineral oil from underground mineral oil deposits, in which an aqueous formulation comprising at least a mixture of alkyl ether carboxylate and corresponding alkyl ether alcohol, where the alkyl ether carboxylate has been prepared from the alkyl ether alcohol and the molar ratio in the mixture of alkyl ether carboxylate:alkyl ether alcohol is from 51:49 to 92:8, is injected through at least one injection well into a mineral oil deposit, where the deposit has a deposit temperature of 55°C to 150°C, a crude oil having more than 20° API and a deposit water having more than 100 ppm of divalent cations, and crude oil is withdrawn through at least one production well from the deposit. The invention further relates to the preparation of the mixture and to a concentrate comprising the mixture.

    СПОСОБ ДОБЫЧИ НЕФТИ

    公开(公告)号:EA031462B9

    公开(公告)日:2019-05-31

    申请号:EA201691230

    申请日:2014-12-05

    Applicant: BASF SE

    Abstract: Способдобычинефтиизподземныхнефтяныхместорождений, прикоторомв нефтяноеместорождениечерезпоменьшеймереоднунагнетательнуюскважинус температуройместорождения 20-120°C нагнетаютводнуюкомпозицию, содержащуюпоменьшеймереодинводорастворимыйгидрофобно-ассоциативныйсополимер, иизместорождениячерезпоменьшеймереоднуэксплуатационнуюскважинуизвлекаютсыруюнефть, причемводорастворимыйсополимерсодержит, поменьшеймере, акриламидилиегопроизводные, атакжесмесь, содержащуюпоменьшеймередваамфифильныхмакромономера.

    SOLUBILITY ENHANCERS ON BASIS OF ALLYL ALCOHOL FOR AQUEOUS SURFACTANT FORMULATIONS FOR ENHANCED OIL RECOVERY

    公开(公告)号:CA3068362A1

    公开(公告)日:2019-01-17

    申请号:CA3068362

    申请日:2018-07-11

    Applicant: BASF SE

    Abstract: The present invention relates to a method for the production of crude oil from subterranean, oil- bearing formations comprising at least the following steps of providing an aqueous surfactant composition comprising water and a surfactant mixture, injecting said surfactant composition into the subterranean, oil-bearing formation through at least one injection well, thereby reducing the crude oil-water interfacial tension to less than 0.1 mN/m, and withdrawing crude oil from the formation through at least one production well, wherein the surfactant mixture comprises at least a surfactant (A) having the general formula R1-O-(CH2CH(R2)O)a-(CH2CH(CH3)O)b- (CH2CH2O)c-R3-Y- M+ (I) and a solubility enhancer (B) having the general formula R4-O-(CH2CH(CH3)O)x-(CH2CH2O)y-R3-Y- M+ (II), wherein R1 to R4, a, b, c, x, y, Y and M have the meaning as defined the the description and claims. The invention further relates to said aqueous surfactant composition and methods for preparing the same as well as the use of solubility enhancer (B) for enhancing the solubility of anionic surfactant (A).

    Method for recovering petroleum
    28.
    发明专利

    公开(公告)号:AU2014363793B2

    公开(公告)日:2018-02-22

    申请号:AU2014363793

    申请日:2014-12-05

    Applicant: BASF SE

    Abstract: A method for recovering petroleum from underground petroleum reservoirs, wherein an aqueous formulation containing at least one water-soluble hydrophobically associating copolymer is injected via at least one injection bore into a petroleum reservoir at a reservoir temperature ranging from 20°C to 120°C, and crude petroleum is extracted from the reservoir via at least one production bore; the water-soluble copolymer contains at least acrylamide or derivatives thereof and a mixture containing at least two amphiphilic macromonomers.

    METHOD OF TERTIARY MINERAL OIL PRODUCTION

    公开(公告)号:CA3009290A1

    公开(公告)日:2017-07-20

    申请号:CA3009290

    申请日:2017-01-04

    Applicant: BASF SE

    Abstract: The invention relates to a method for the tertiary recovery of petroleum from underground deposits having a deposit temperature of = 70°C, wherein a copolymer comprising (meth)acrylamide or derivatives thereof, monoethylenically unsaturated carboxylic acids, in particular acrylic acid, and an associative monomer is used, wherein the amount of the associative monomer is 0.1 to 0.9 wt%. A water-soluble copolymer comprising (meth)acrylamide or derivatives thereof, monoethylenically unsaturated carboxylic acids, in particular acrylic acid, and 0.1 to 0.9 wt% of an associative monomer.

    Procedimiento de producción de reforzadores del blanqueador

    公开(公告)号:ES2622488T3

    公开(公告)日:2017-07-06

    申请号:ES06763731

    申请日:2006-06-14

    Applicant: BASF SE

    Abstract: Procedimiento de producción de compuestos químicos de fórmula I**Fórmula** en la que R es alquilo, que comprende las siguientes etapas: a) producir dihidroisoquinolina a partir de isoquinolina, b) producir, opcionalmente, un glicidiléter a partir de un alcohol y una epiclorhidrina, c) hacer reaccionar dicha dihidroisoquinolina con SO3 y dicho glicidiléter, en el que la dihidroisoquinolina en la etapa a) se produce por ai) reducción de una isoquinolina para dar una tetrahidroisoquinolina y aii) oxidación de dicha tetrahidroisoquinolina para dar la dihidroisoquinolina, en el que la etapa c) comprende las etapas de ci) disolver la dihidroisoquinolina en un disolvente, cii) añadir SO3 a la solución obtenida en ci), en la que SO3 se utiliza en exceso con respecto a la dihidroisoquinolina, ciii) añadir glicidiléter a la solución obtenida en cii), civ) calentar la mezcla obtenida en ciii), cv) inactivar el SO3 restante en la mezcla obtenida en ciii) o civ), cvii) inducir la cristalización, cviii) filtrar los cristales de la mezcla obtenida en cvii), cix) purificar los cristales obtenidos en cviii), cx) secar los cristales obtenidos en cviii) o cix).

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