FIELD: oil and gas industry.
SUBSTANCE: invention is intended for the creation and operation of underground storage facilities for natural gas enriched with helium (USNGEH). In USNGEH, on which production wells are built in the dome part of the reservoir, injection wells at a predetermined distance from the impact of production wells and control wells, cyclic injection of natural gas enriched with helium (NGEH), to the storage facility with the creation of its active volume and preservation of the buffer volume of a hydrocarbon or non-hydrocarbon gas and selection of an active volume of NGEH.
EFFECT: improving the quality of stored natural gas by reducing the risk of formation of large mixing zones, the efficiency of use due to the possibility of regulating the composition at wellheads by means of area regulation of injection and selection.
12 dwg
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