FIELD: oil producing industry. SUBSTANCE: claimed method consists in that bottom-hole is treated and downhole equipment is cleaned from paraffin accumulations with help of microorganism in aqueous of nutrient and adaptogen in form of sodium acetate. Process is carried out in conditions optimal for microorganisms activity. Used in process is DESTROIL biological. After treatment, intensive drainage of formation is performed with help of implosive and swabbing devices. Compositions of nonionic surfactants are used for hydrophobization of porous channels of bottom-hole producing formation zone before perforation operations. EFFECT: intensified microbiological treatment of bottom-hole formation zone high oil recovery factor. 3 cl, 1 tbl
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