FIELD: oil and gas production. SUBSTANCE: composition contains, vol %: mixture of methanol or ethanol, 5-20, with aliphatic C3-C8-alcohols, 5-10, at their ratio (1-2):1 as polar nonelectrolyte; nonionic surfactant, 0.01-1.0; pH regulator, 0.01-1.0; aromatic hydrocarbons, 20-40; and aliphatic hydrocarbons, the balance. EFFECT: increased rate and extent of true dissolution of deposits and also increased aggregative stability of composition in presence of water. 2 cl, 3 tbl _
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