FIELD: oil and gas production. SUBSTANCE: in the course of development of oil pool with cavernous fractured reservoir, vertical and of horizontal wells are led. Oil is taken away from producing wells and working agent is injected through injection wells. When developing oil pool with cavernous fractured reservoir with horizontal cavernosity, horizontal well in productive bed is led below or above horizontal cavernosity. From of horizontal hole, perforation of bed, its hydraulic fracturing, or drilling of vertical holes to horizontal cavernosity zone are performed. EFFECT: increased oil recovery. 3 ex
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