FIELD: oil and gas production. SUBSTANCE: composition, which may as well be employed for treating well bottom zone, contains 5-90 wt % of an anionic and 5-90 wt % of an nonionic surfactants, the former constituting petroleum or synthetic sulfonates with equivalent weight 330 to 580, and the latter being oxyethylated alkylphenols with oxyethylation degree 8 to 16. Composition further contains a solvent. EFFECT: increased oil production. 2 tbl
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