FIELD: oil-and-gas industry.
SUBSTANCE: invention relates to oil production. Proposed method comprises lowering the string into well to inject acid compounds via said string into bed. Prior to processing, geophysical survey is executed to randomly divide borehole into intervals depending upon intensity of inflow and type of extracted fluid. Assembly with two packers on string is lowered into processed interval. Intervals are processing with isolation of every interval by assembly with two packers: interval with high-intensity water inflow is processed the first by injection of back water-oil emulsion at flow rate of 6-12 m3/h. Interval with mixed inflow of water and oil is processed the second at injection of back oil-acid emulsion at flow rate of 24-36 m3/h. Oil-saturated interval is processed the first by injection of acid at flow rate of 54-66 m3/h.
EFFECT: decreased well stream watering by 20-70%, higher oil yield.
3 ex, 1 dwg
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