FIELD: oil production industry. SUBSTANCE: according to method for development of flooded oil deposit, injected into oil bed through injection wells is water suspension of chalk, water solution of ammonium chloride. After interaction of two aforesaid solutions, injected into oil bed is sulfate of univalent or trivalent metals or alkali solutions. Application of method ensures higher oil recovery from bed. EFFECT: higher efficiency. 1 cl, 1 tbl
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