公开(公告)号：US20170355897A1

公开(公告)日：2017-12-14

申请号：US15527249

申请日：2015-11-17

Applicant: BASF SE

Inventor： Christian BITTNER ,  Günter OETTER ,  Sebastian Alexander WEIßE ,  Hans-Christian RATHS ,  Jack TINSLEY ,  Marcel KIENLE

IPC: C09K8/584 ,  C09K8/60 ,  E21B43/20 ,  C09K8/86

CPC classification number: C09K8/584 ,  B01F17/0085 ,  C09K8/524 ,  C09K8/602 ,  C09K8/86 ,  C09K2208/28 ,  E21B43/20

Abstract: The present invention relates to a method for 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a crude oil having more than 20° API and a deposit water having more than 100 ppm of divalent cations, and crude oil is withdrawn through at least one production well from the deposit.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.

公开(公告)号：US20150353815A1

公开(公告)日：2015-12-10

申请号：US14760725

申请日：2014-01-03

Applicant: BASF CORPORATION ,  BASF SE

Inventor： Vandana KURKAL-SIEBERT ,  Jack TINSLEY ,  Tanhee GALINDO ,  Rimassa SHAWN

IPC: C09K8/68 ,  E21B43/26 ,  E21B43/267 ,  C09K8/80

CPC classification number: C09K8/68 ,  C09K8/80 ,  C09K8/86 ,  E21B43/26 ,  E21B43/267

Abstract: Method of fracturing subterranean formations using aqueous compositions comprising at least an aqueous base fluid, proppants, a viscosifier, at least one flowback aid and removing at least a portion of the aqueous fracturing fluid from the formation after fracturing. The flowback aid is selected from the group of alkyl or alkenyl polyglucosides, carboxylated alkyl or alkenyl polyglucosides and alkoxylated branched alcohols.

Abstract translation: 使用包含至少含水基础流体，支撑剂，增粘剂，至少一个回流辅助剂的水性组合物并在压裂后从地层中去除至少一部分水性压裂液的方法。 反流助剂选自烷基或链烯基多葡糖苷，羧基化烷基或链烯基多葡糖苷和烷氧基化支链醇。