FIELD: gas and oil producing industry. SUBSTANCE: barrier is established between oil and gas parts. To establish barrier, oil is taken from field oil part to reduce thickness of oil part. Water barrier is made by injection of water through additional perforation of injection wells of gas part of field into zones above initial gas-oil contact. At the same time, gas is injected in gas part of field, and gas and oil and recovered. EFFECT: higher efficiency. 6 dwg
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