METHOD FOR DEVELOPMENT OF OIL DEPOSIT, NON-UNIFORM IN PERMEABILITY AND OIL SATURATION Russian patent published in 1998 - IPC

Abstract RU 2107812 C1

FIELD: oil production industry. SUBSTANCE: according to method, systems of injection and producing wells are arranged in oil deposit. Pumped into injection wells are fringe water, fringe polymer, finely dispersed medium, and water. Recovered from producing wells are oil and water. After injection of fringe water, pumped into well is fringe surface-active matter and/or polymer. Injection of fringe surface-active matter and/or polymer is effected in finely dispersed medium with concentration of finely dispersed material of 0.5-5%. EFFECT: high efficiency. 1 tbl

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RU 2 107 812 C1

Authors

Baturin Jurij Efremovich

Sonich Vladimir Pavlovich

Dates

1998-03-27Published

1997-09-17Filed