METHOD FOR DEVELOPMENT OF MULTI-BED OIL DEPOSITS Russian patent published in 1998 - IPC

FIELD: oil production industry. SUBSTANCE: this relates to method of intensifying displacement of oil from oil beds. According to method, injected into injection wells is suspension of rubber crumb on hydrocarbon base up to pressure of hydraulic fracturing of beds in perforation interval. Performed is hydraulic isolation of similar beds in producing wells. Injected into producing wells is suspension of special mixture on hydrocarbon base with dimensions of particles by 4-5 times less than maximal diameter of pores in producing oil beds. After that, well is washed-through, oil-saturated intervals are perforated, and operation of well is started. EFFECT: higher efficiency. 1 tbl