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2 144 981

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IPC

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Application

97100699/03, 1997-01-17

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Start date

1997-01-17

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Actual filing date

1997-01-17

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Published

2000-01-27

(72)

Inventor

Zagidullina L.N.Fakhretdinov R.N.Selimov F.A.Nazmiev I.M.Zjuzjul'Kin G.S.Zagidullin R.Z.Andreev V.E.Marmuz T.N.Kotenev Ju.A.

(73)

Holder

Nauchno-Issledovatel'Skij Institut

COMPOSITION FOR OIL DISPLACEMENT Russian patent published in 2000 - IPC

Abstract RU 2144981 C1

FIELD: oil-producing industry; applicable in oil production by microbiological methods. SUBSTANCE: composition contains activated sludge from secondary settling basin of biological water treatment plants in amount of 0.2-1.0 wt.%, water, and additionally polydimethyldiallyl ammonium chloride amounting to 0.02-0.05 wt.%. Water may be used in the form of biochemically treated sewage water. EFFECT: increased oil displacement ability of composition due to increase of its biological activity. 2 cl, 4 tbl

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RU 2 144 981 C1

Authors

Zagidullina L.N.

Fakhretdinov R.N.

Selimov F.A.

Nazmiev I.M.

Zjuzjul'Kin G.S.

Zagidullin R.Z.

Andreev V.E.

Marmuz T.N.

Kotenev Ju.A.

Dates

2000-01-27—Published

1997-01-17—Filed