FIELD: mining. SUBSTANCE: method involves providing vertical well, which may be joined with at least two guided wells, orienting vertical well to horizontal portions of guided wells towards face of most deep well; forming joining cavity by acting onto rock massif with rotating flow of solvent, which forms horizontal circular cavity; effectuating displacement of apparatus in vertical plane for gradual growing of horizontal cavity till hydraulic communication between all guided wells is set. EFFECT: increased efficiency. 3 dwg
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