FIELD: oil and gas industry. SUBSTANCE: according to method, prior to injection of water solution of surface-active matter it is aerated at pressure of at least 4.5 reservoir pressure values, and forcing it into reservoir is effected under pressure not below 1.7 r.p. - h.p., where r.p. - reservoir pressure, r.p. - hydrostatic pressure. EFFECT: high efficiency.
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Authors
Dates
1997-07-10—Published
1995-06-14—Filed