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2 078 916

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C1

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IPC

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Application

95107530/03, 1995-05-17

(22)

Actual filing date

1995-05-17

(45)

Published

1997-05-10

(72)

Inventor

Garejshina A.Z.Akhmetshina S.M.Zijakaev Z.N.Solodov A.V.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Po Neftepromyslovoj Khimii

COMPOSITION FOR TREATMENT OF OIL DEPOSIT Russian patent published in 1997 - IPC

Abstract RU 2078916 C1

FIELD: oil producing industry, particular, compositions for treatment of oil deposits. SUBSTANCE: composition for treatment of oil deposit contains bacteria oxidizing hydrocarbons, culture medium , mineral additive and water. Culture medium is used in form of organic fertilizer, and mineral additive is used in form of diammonium phosphate with the following quantities of components, mas.%: hydrocarbon-oxidizing bacteria 0.02-0.6; organic fertilizer 1.0-2.0; diammonium phosphate 0.05-0.15; the balance. water. EFFECT: increased sweep of formation due to growth of bacterium cells and increased degree of displacement of residual oil due to producing directly in formation of oil displacing agents. 1 tbl

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RU 2 078 916 C1

Authors

Garejshina A.Z.

Akhmetshina S.M.

Zijakaev Z.N.

Solodov A.V.

Dates

1997-05-10—Published

1995-05-17—Filed

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