FIELD: oil and gas production.
SUBSTANCE: procedure consists in drilling producing and pressure boreholes, in pumping working substance through pressure boreholes and withdrawal of production through producing boreholes, in analysis for determination of prevailing direction of fracturing of the deposit and zones with minimal and average density of fracturing. Horizontal and/or branched boreholes are drilled additionally in zones with minimal and average density of fracturing with oil non-saturated thickness of reservoir as big, as 10 m. Horizontal bores are positioned in the reservoir at angle 50-70° to prevailing direction of deposit fracturing. As pressure boreholes there are additionally used boreholes located in corresponding zones of density of fracturing at minimal distance from horizontal and/or branched horizontal bores of boreholes.
EFFECT: increased oil yield and efficiency of development of oil deposits.
1 dwg, 1 ex
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