FIELD: oil and gas industry.
SUBSTANCE: invention is related to the area of oil and gas industry and intended for operation of underground gas storage (UGS) operation. At UGS with arranged producers with storage collector opening cyclic injection of natural gas is made with creation of its buffer and active volume and extraction of the gas active volume. In process of the UGS operation carbon dioxide in injected to the lower part of the storage thus replacing natural gas in the buffer volume. At the end of natural gas extraction cycle the boundary line of carbon dioxide and natural gas reaches the lower openings in the perforation interval of the producers.
EFFECT: invention ensures increase in active volume of stored natural gas in the UGS and reduction of costs for formation of the buffer volume.
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