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2 256 784

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IPC

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Application

2003132206/03, 2003-11-03

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Start date

2003-11-03

(22)

Actual filing date

2003-11-03

(45)

Published

2005-07-20

(72)

Inventor

Shesternina N.V.Garejshina A.Z.Akhmetshina S.M.Frolov A.I.Fajzullin I.N.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Institut Po Neftepromyslovoj Khimii"Otkrytoe Aktsionernoe Obshchestvo Im. V.D. Shashina

METHOD FOR EXTRACTION OF OIL DEPOSIT Russian patent published in 2005 - IPC

Abstract RU 2256784 C1

FIELD: oil industry.

SUBSTANCE: method includes serial feeding into bed through force well of water solution of cellulose-containing substance with nutritious substances and bio-reagent, extraction of oil through product wells, as nutritious substances salts of phosphorus and/or nitrogen are used, and as bio-reagent - special liquid, prepared by mixing in water of cellulose-containing material and nutritious substances with following exposure and extraction of special liquid, while after feeds of water solution of cellulose-containing material with nutritious substances and special liquid technological exposures are performed. Also as additional nutritious substances special chemical compositions are used, and feeding of special liquid is performed together with nutritious substances.

EFFECT: better ecology, broader functional capabilities, higher oil yield, higher effectiveness.

3 cl, 10 ex, 2 tbl

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RU 2 256 784 C1

Authors

Shesternina N.V.

Garejshina A.Z.

Akhmetshina S.M.

Frolov A.I.

Fajzullin I.N.

Dates

2005-07-20—Published

2003-11-03—Filed