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2 087 698

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C1

(51)

IPC

(21) (22)

Application

95103352/03, 1995-03-07

(22)

Actual filing date

1995-03-07

(45)

Published

1997-08-20

(72)

Inventor

Antipov V.S.Brilliant L.S.Starkova N.R.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Neftjanaja Kompanija

METHOD FOR LEVELLING INJECTIVITY PROFILE OF INJECTION WELLS Russian patent published in 1997 - IPC

Abstract RU 2087698 C1

FIELD: oil production industry. SUBSTANCE: this increases productive capacity of reservoir and reduces growing of extracted oil due to isolation of fissured flushed zones of high-permeable beds, and increase of filtration resistance of intervals with medium permeability. Method implies subsequent injection into reservoir of two compounds of different consistency. Used as settling agent is compound with following components: sodium (potassium) silicate, calcium chloride, sodium chloride and water. Gel creating compound has these components: sodium (potassium) silicate, calcium chloride and water. EFFECT: high efficiency. 2 cl, 3 tbl

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RU 2 087 698 C1

Authors

Antipov V.S.

Brilliant L.S.

Starkova N.R.

Dates

1997-08-20—Published

1995-03-07—Filed

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