FIELD: oil production; preparation of mixture with preset characteristics and delivery of mixture to treated formation. SUBSTANCE: method includes injection into tubing string run into well of displacement agent based on nitrogen and liquid containing surfactants, gel-forming agents and acids. Quantities of components and their ratios are regulated by weighing batcher located on the lower end of internal pipe directly under packer secured to internal well of casing. EFFECT: higher efficiency. 4 cl, 2 dwg
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