OIL DEPOSIT DEVELOPMENT METHOD Russian patent published in 2012 - IPC E21B43/16 E21B43/32 

FIELD: oil and gas industry.

SUBSTANCE: according to the method working agent is pumped through injection wells, oil is extracted through production wells and insulation works are performed in production wells. According to invention, in order to perform water-insulation works there chosen are production wells in which watering-out of extracted products has increased with current water-oil of less than 8, with fluid rate of not less than 10 m³/day, water-intake rate of not less than 100 m³/day at mined oil-saturated thickness of productive layer of not less than 3 m and at stable operating mode of not less than 1.5 months. Besides, injection wells shall have influence coefficient of not less than 0.4 and be in stable operation for at least 1.5 months. Polymer systems hardened in formation conditions so that polymer gels are created are chosen as material for waterproof works.

EFFECT: higher efficiency of insulation works; reduction of extracted product watering-out.

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