FIELD: oil and gas industry.
SUBSTANCE: invention relates to oil industry and concerns extraction of residual oil from oil reservoirs. Means for extracting residual oil from the formation, which includes a mixture of methyl esters of fatty acids and isopropanol in ratio of respectively 5:1 to 7:1.
EFFECT: wider range of products for effective recovery of residual oil from formations.
1 cl, 2 ex
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