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2 180 396

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Application

2001109673/03, 2001-04-10

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Start date

2001-04-10

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Actual filing date

2001-04-10

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Published

2002-03-10

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Inventor

Kotenev Ju.A.Zagidullina L.N.Khajredinov N.Sh.Andreev V.E.Zobov P.M.

(73)

Holder

Kotenev Jurij AlekseevichZagidullina Ljutsija NurievnaKhajredinov Nil ShakhidzhanovichAndreev Vadim Evgen'EvichZobov Pavel Mikhajlovich

OIL FORMATION RECOVERY INCREASING COMPOSITION Russian patent published in 2002 - IPC

Abstract RU 2180396 C1

FIELD: oil and gas production. SUBSTANCE: invention, in particular, relates to compositions for increasing oil recovery in formation in late development stage. Composition contains, wt %: excessive activated sludge as microorganism source, 1.0-2.0; bottom residues from synthetic glycerol production as nutritive medium, 0.5-2.0; polymeric dimethyldiallylammonium chloride (additionally), 0.02-0.10; and water from secondary settlers at biological waste disposal plants, the balance. EFFECT: improved filtration ability of composition and increased gas emission. 4 tbl

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RU 2 180 396 C1

Authors

Kotenev Ju.A.

Zagidullina L.N.

Khajredinov N.Sh.

Andreev V.E.

Zobov P.M.

Dates

2002-03-10—Published

2001-04-10—Filed

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