METHOD FOR DEVELOPMENT OF NONUNIFORM OIL BEDS Russian patent published in 1998 - IPC

Abstract RU 2103491 C1

FIELD: oil production industry. SUBSTANCE: this method can be most efficiently used at late stage of operating oil deposits. According to method, for higher oil recovery and reduced watering of producing wells, successively injected through injection wells are water solutions of water-soluble polymer of polyacrylamide, alkalis and salts of bivalent-trivalent metals. EFFECT: high efficiency. 1 cl, 2 tbl

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RU 2 103 491 C1

Authors

Brilliant L.S.

Novozhilov V.G.

Starkova N.R.

Dates

1998-01-27Published

1996-06-18Filed