Abstract:
PROBLEM TO BE SOLVED: To provide a stable emulsion comprising a polyolefin, in particular, polyisobutene and water, and to provide a method to obtain the emulsion and also to provide the use of the emulsion.SOLUTION: An emulsion comprises, with respect to the total mass of the emulsion: (a) a polyolefin in an amount of 2 to 75 mass%; (b) a polymer Px in an amount of 0.05 to 40 mass%; (c) oil Ox in an amount of 0 to 25 mass%; (d) a surfactant Sx in an amount of 0 to 25 mass%; (e) an additive Ax in an amount of 0 to 20 mass%; and (f) water in an amount of 10 to 97.95 mass%. The emulsion can consist of components (a), (b) and (f).
Abstract:
Method of fracturing subterranean formations using aqueous compositions comprising at leastan 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 flow- back aid is selected from the group of alkyl or alkenyl polyglucosides, carboxylated alkyl or alkenyl polyglucosides and alkoxylated branched alcohols.
Abstract:
Method of fracturing subterranean formations using aqueous compositions comprising at leastan 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 flow- back aid is selected from the group of alkyl or alkenyl polyglucosides, carboxylated alkyl or alkenyl polyglucosides and alkoxylated branched alcohols.
Abstract:
The invention relates to a method for producing crude oil by means of Winsor type III microemulsion flooding wherein an aqueous surfactant formulation which comprises at least one ionic surfactant of general formula R1-O-(CH2C(CH3)HO)m(CH2CH2O)n-XY- M+is forced through injection wells into a mineral oil deposit and crude oil is removed from the deposit through production wells. The invention also relates to ionic surfactants according to the general formula.
Abstract translation:本发明涉及一种用于矿物油生产,III由南联型微乳剂,其中的含水的表面活性剂制剂中,所述通式R1-O-(CH 2 C(CH 3)HO)的至少一种离子表面活性剂包括米(CH2CH2O)的方法正XY M + 通过注射孔einpresst在Eröllagerstätte并移除通过生产井的原油沉积物。 本发明还涉及通式离子表面活性剂。
Abstract:
The invention relates to a method for producing crude oil by means of Winsor type III microemulsion flooding, wherein an aqueous surfactant formulation which comprises at least one ionic surfactant of general formula R1 N+ (R2)m (R3)n (R4) X- is forced through injection wells into a mineral oil deposit and crude oil is withdrawn from the deposit through production wells.
Abstract:
The invention relates to a method for producing crude oil by means of Winsor type III microemulsion flooding wherein an aqueous surfactant formulation which comprises at least one ionic surfactant of general formula R1-O-(CH2C(CH3)HO)m(CH2CH2O)n-XY- M+is forced through injection wells into a mineral oil deposit and crude oil is removed from the deposit through production wells. The invention also relates to ionic surfactants according to the general formula.
Abstract:
RESUMEN La presente invención se refiere a un método para producir aceite mineral de depósitos subterráneos de aceite mineral, en donde una formulación acuosa que comprende al menos una mezcla de carboxilato de alquiléter y alcohol de alquiléter correspondiente, en donde el carboxilato de alquiléter se preparó de alcohol de alquiléter, y la relación molar en la mezcla de carboxilato de alquiléter:alcohol de alquiléter es de 51:49 a 92:8, se inyecta a través de al menos un pozo de inyección en un depósito de aceite mineral, en donde el depósito tiene una temperatura de depósito de 55 °C a 150 °C, en donde el petróleo crudo tiene más de 20° API y el agua de depósito tiene más de 100 ppm de cationes divalentes, y el petróleo crudo se retira del depósito a través de al menos un pozo de producción. La invención también se refiere a la preparación de la mezcla y a un concentrado que comprende la mezcla.
Abstract:
The invention relates to a method for producing oil, in particular Winsor Type III microemulsion flooding, wherein an aqueous surfactant formulation comprising at least one non-ionic surfactant having 11 to 40 ethoxy unit and having a hydrophobic radical of 8 to 32 carbon atoms, and comprising at least one further surfactant different therefrom, is pressed through injection wells into an oil deposit, and crude oil is extracted from the deposit via production wells.
Abstract:
processo para a produção de óleo mineral, formulação de tensoativo aquoso para a produção de óleo mineral, e, tensoativo a invenção se refere a um método para produzir óleo mineral por intemédio de inundação de winsor tipo iii, em que uma formulação de tensoativo aquoso compreende pelo menos um tensoativo iônico da fórmula geral r^ 1^-o-(ch~ 2~c(ch~ 3~)ho)~ m~(ch~ 2~ch~ 2~ch~ 2~o)~ n~-xy^ -^m^ +^ ~ é forçado é removido do depósito através de poços de produção. a invenção também se refere aos tensoativos iônicos da fórmula geral.