FIELD: oil producing industry, particular, methods of development of nonuniform oil formations by water flooding; applicable also in water shutoff in producing wells. SUBSTANCE: method of development of nonuniform oil formation by water-flooding includes injection of aqueous solution of partially hydrolyzed polyacrylamide with introduction into it of chromium acetate with clay suspension treated with chromium potash alum is carried out simultaneously or successively. EFFECT: higher efficiency. 2 cl, 2 tbl
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