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2 218 463

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IPC

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Application

2002109266/13, 2002-04-09

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Start date

2002-04-09

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Actual filing date

2002-04-09

(45)

Published

2003-12-10

(72)

Inventor

Zhdanova N.V.Gabdrakhmanov N.Kh.Giljazov R.M.Julbarisov Eh.M.Galiullin T.S.Sadykov U.N.Jakupov R.F.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Neftjanaja Kompanija

METHOD OF DEVELOPMENT OF NONUNIFORM OIL FORMATION Russian patent published in 2003 - IPC

Abstract RU 2218463 C1

FIELD: oil producing industry, particularly, increase of formation oil recovery with use of microorganisms. SUBSTANCE: method includes injection through injection well of aqueous solution of immobilized microbe cells of biomass of biochemical production of protein-vitamin concentrates. Biomass microbe cells - Belvitamil are immobilized on cellulose with the following are immobilized on cellulose with the following amounts of components, wt.%: Belvitamil 0.1-5.0; cellulose 0.01-0.5; the balance, water. EFFECT: increased oil production due to combined effect of increased coefficient of displacement and higher coverage of formation by waterflooding. 1 tbl, 3 ex

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RU 2 218 463 C1

Authors

Zhdanova N.V.

Gabdrakhmanov N.Kh.

Giljazov R.M.

Julbarisov Eh.M.

Galiullin T.S.

Sadykov U.N.

Jakupov R.F.

Dates

2003-12-10—Published

2002-04-09—Filed