摘要:
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—(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is injected through injection boreholes into a mineral oil deposit, and crude oil is withdrawn from the deposit through production boreholes. The invention further relates to ionic surfactants of the general formula.
摘要:
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is injected through injection boreholes into a mineral oil deposit, and crude oil is withdrawn from the deposit through production boreholes.
摘要:
The present invention relates to processes for tertiary mineral oil production with the aid of a surfactant mixture and to the use of a surfactant mixture for tertiary mineral oil production by means of Winsor type III microemulsion flooding, by injecting a surfactant mixture through at least one aqueous injection borehole into a mineral oil deposit, and withdrawing crude oil from the deposit through at least one production borehole, wherein the surfactant mixture, for the purpose of lowering the interfacial tension between oil and water to
摘要翻译:本发明涉及通过表面活性剂混合物生产三次矿物油的方法,以及通过Winsor III型微乳液淹没将表面活性剂混合物用于三次矿物油的方法,通过将表面活性剂混合物注入至少一种水溶液 注入井眼进入矿物油沉积物,并通过至少一个生产钻孔从沉积物中取出原油,其中为了将油和水之间的界面张力降低至<0.1mN / m 2的目的,表面活性剂混合物至少包括 以下组分:(a)一种或多种包含至少50mol%丙烯酸单元和/或甲基丙烯酸单元和/或马来酸单元和/或衣康酸单元或其盐的多羧酸盐,和(b)一种 或更多的阴离子和/或非离子表面活性剂。
摘要:
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—(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is injected through injection boreholes into a mineral oil deposit, and crude oil is withdrawn from the deposit through production boreholes. The invention further relates to ionic surfactants of the general formula.
摘要:
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—(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. The invention further relates to ionic surfactants of the general formula.
摘要:
The present invention relates to processes for tertiary mineral oil production with the aid of a surfactant mixture and to the use of a surfactant mixture for tertiary mineral oil production by means of Winsor type III microemulsion flooding, by injecting a surfactant mixture through at least one aqueous injection borehole into a mineral oil deposit, and withdrawing crude oil from the deposit through at least one production borehole, wherein the surfactant mixture, for the purpose of lowering the interfacial tension between oil and water to
摘要翻译:本发明涉及通过表面活性剂混合物生产三次矿物油的方法,以及通过Winsor III型微乳液淹没将表面活性剂混合物用于三次矿物油的方法,通过将表面活性剂混合物注入至少一种水溶液 注入井眼进入矿物油沉积物,并通过至少一个生产钻孔从沉积物中取出原油,其中为了将油和水之间的界面张力降低至<0.1mN / m 2的目的,表面活性剂混合物至少包括 以下组分:(a)一种或多种包含至少50mol%丙烯酸单元和/或甲基丙烯酸单元和/或马来酸单元和/或衣康酸单元或其盐的多羧酸盐,和(b)一种 或更多的阴离子和/或非离子表面活性剂。
摘要:
Surfactants with polyether sulfonate structure, which have a propanonylsulfonic acid group as a head group, a process for preparing such surfactants and their use for tertiary mineral oil extraction.
摘要:
The use of a surfactant mixture comprising at least one surfactant having a hydrocarbon radical composed of from 12 to 30 carbon atoms and at least one cosurfactant having a branched hydrocarbon radical composed of from 6 to 11 carbon atoms for tertiary mineral oil extraction.
摘要:
Surfactants of the general formula R1—X where R1 is an aliphatic C17H35-alkyl radical and X is a hydrophilic group, and the mean degree of branching of the R1 radical is from 2.8 to 3.7. Mixtures which comprise such surfactants and the use of such surfactants and of mixtures thereof for tertiary mineral oil extraction.
摘要:
The use of a surfactant mixture comprising at least one surfactant having a hydrocarbon radical composed of from 12 to 30 carbon atoms and at least one cosurfactant having a branched hydrocarbon radical composed of from 6 to 11 carbon atoms for tertiary mineral oil extraction.