FIELD: oil and gas industry.
SUBSTANCE: invention is related to oil and gas producing industry and may be used for prevention of cracks closure by application of splitting granules - proppants - in process of hydraulic rupture of producing oil beds. Proppant represents granules from baked ceramic stock and is arranged in the form of sphere with deviation from complete sphericity of not more than 0.05% from sphere radius value. In method of well efficiency increase, comprising application of proppants, ceramic proppants are used, arranged in the form of sphere with deviation from complete sphericity of not more than 0.05% from sphere radius value. Invention is developed in dependable points of formula.
EFFECT: higher well debit.
5 cl
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