FIELD: crude oil treatment. SUBSTANCE: composition contains 28-50% of nonionic demulsifier based on oxyethylated and oxypropylated propylene glycol or ethylene glycol; 0.5-55.0% of aromatic petroleum solvent; 5.0-59.5% of non-aromatic water-soluble solvent, e.g. methanol; and 8-17% of oxyalkylated polyester resin with molecular weight 4000-6000 Da. Composition is intended for use in oil and gas production industries on different oil and gas deposits. EFFECT: provided equality in dehydration degree for water-oil emulsions with strongly differing characteristics. 2 cl, 2 tbl
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