FIELD: chemistry.
SUBSTANCE: invention relates to oilfield chemistry, namely to new surfactants of formula I, including isomers, where n is a number from 2 to 9.
EFFECT: claimed surfactant can be used in the oil and gas industry in the production of hydrocarbon raw materials to increase oil recovery of carbonate deposits with high mineralization.
1 cl, 4 dwg, 4 ex
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