FIELD: oil production industry. SUBSTANCE: this is aimed at increasing oil recovery from flooded oil beds which are nonuniform in permeability. According to method, treating solution is prepared from polymer and water with subsequent injecting this solution into oil bed. Additionally introduced into treating solution is cross-linked polymer with high water-retention at definite proportioning of components. EFFECT: higher efficiency. 4 tbl
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Authors
Dates
1998-05-10—Published
1996-05-28—Filed