METHOD FOR DEVELOPMENT OF WATERED OIL DEPOSIT NONUNIFORM IN GEOLOGICAL STRUCTURE

摘要

FIELD: oil production industry. SUBSTANCE: this is aimed at increasing oil recovery from beds at late stage of development. According to method, injected into bed through injection well is water solution of ammonium salt and used in its function is ammonium chloride, and additionally injected into bed is water solution of silicate of alkali metals. EFFECT: high efficiency. 2 tbl