FIELD: oil and gas extracting industry. SUBSTANCE: according to method well operation is stopped. Concrete bridge is mounted above the productive layer. Well is filled with argillous solution. Concrete bridge is placed in jig footplate. In the area of permafrost layer well is filled with non-freezing fluid. Fountain hardware is dismounted. Dead plug is placed in the well on depth of 3-10 meters matching the depth of neutral layer or layer of seasonal heat cycle. Inner hollows of string and pipe heads, well section above dead plug are filled with mortar. Side outlets and upper flange of pipe head are sealed with end caps, for example. EFFECT: reliable well liquidation. 1 dwg
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