FIELD: oil production industry. SUBSTANCE: this relates to oil deposit with separated break of different permeability. According to method, in deposit which is nonuniformly flooded with injected water, detected are flushed and oil-containing intervals, determined is character of distributing current oil resources, found are zones with various concentration of resources. Then beds and sections are selected for directed cyclic treatment of localized resources. Work is performed for levelling filtration properties of beds in wells to increase hydrodynamic resistance of high-permeable intervals in injection wells. Cyclic water injection is performed with increase of volumes pumped through injection wells of those rows towards which displaced are zones of higher oil saturation, thus moving oil towards producing wells and preventing its displacement to flooded sections. EFFECT: high efficiency. 2 dwg, 2 tbl
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Authors
Dates
1997-08-20—Published
1995-06-14—Filed