FIELD: oil producing industry. SUBSTANCE: method consists in periodic injection of steam into producing wells, and oil production. Nonheated water is pumped into injection wells during steam injection into producing wells and steam condensation in formation, and is discontinued during extraction of oil from them. EFFECT: higher oil recovery from highly inhomogeneous formations due to forcing heat-transfer agent condensate out of zone of producing wells. 2 cl
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Authors
Dates
1994-03-15—Published
1990-01-30—Filed