METHOD OF GAS WELL OPERATION Russian patent published in 2019 - IPC E21B37/06 

FIELD: oil, gas and coke-chemical industries.

SUBSTANCE: invention relates to production of natural gas and can be used in development of gas fields, in the bottomhole zone of which there can be hydrate formation. During gas well construction, in the bottomhole zone of which hydration is possible, performing perforation of its casing string in the interval of productive gas deposit, lowering tubing string with packer and inhibitor valve, bringing the packer into operational state with the annular space insulation from the tubular space and hydrating inhibitor is fed through the annular space through the inhibitor valve into the tubing string during the well operation. Packer on the tubing string is installed below the roof of the productive gas deposit. Hydrate inhibitor is further supplied to the gas deposit through perforations above the packer.

EFFECT: prevention of hydrate formation in the bottomhole zone of gas wells and their stable operation.

1 cl, 1 dwg