FIELD: oil and gas industry.
SUBSTANCE: as per the method, injection and production wells are arranged, air, water, combustion gases from products of production well are pumped to injection wells, and oil, combustion gases and associated gases are extracted from production wells. Heat carrier is pumped to injection wells till formation is heated to temperature of not less than 65°C to environment of well with radius of 20 m. Portion of hot water alternating with oil solvent with weight of 5-150 tonnes per 1 metre of power of producing interval is pumped. Air with weight of 0.01-0.2 of total weight of pumped water is pumped and heated water-air mixture is pumped, and water-air ratio is determined as per analytical expression.
EFFECT: increasing oil recovery of deposit.
1 ex, 1 tbl
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RU2439303C1 |
Authors
Dates
2010-11-10—Published
2009-12-14—Filed