FIELD: oil-gas producing industry; applicable in fracturing of formations for increase of their productivity in producing and injection wells. SUBSTANCE: essence of proposed method consists in that, first, injected into well prepared for formation fracturing is 5-6% suspension of water-swelling high-molecular compound in formation water. Fracturing pressure is built up in swelling of high-molecular compound in porous space of formation. EFFECT: higher efficiency and reliability in considerably lower material, and technical expenditures and guaranteed preservation of integrity of flow string and strength of cement ring. 1 tbl
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