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2 134 774

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Application

97110885/03, 1997-06-26

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Actual filing date

1997-06-26

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Published

1999-08-20

(72)

Inventor

Islamov F.Ja.Almaev R.Kh.Plotnikov I.G.Bazekina L.V.Shuvalov A.V.Paramonov S.V.

(73)

Holder

Aktsionernaja Neftjanaja Kompanija Bashneft'

METHOD OF DISPLACING OIL Russian patent published in 1999 - IPC

Abstract RU 2134774 C1

FIELD: oil and gas production. SUBSTANCE: oil displacement efficiency is achieved by improving rheological properties of displacement composition in mineralized water and formation of microemulsion in oil-solution interface. Utilized solution contains a biological surfactant and rubber-like polymer-latex at weight ratio from 1:1 to 1:5. EFFECT: increased oil recovery from permeability nonuniform strata of watered deposits. 1 tbl, 2 ex

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RU 2 134 774 C1

Authors

Islamov F.Ja.

Almaev R.Kh.

Plotnikov I.G.

Bazekina L.V.

Shuvalov A.V.

Paramonov S.V.

Dates

1999-08-20—Published

1997-06-26—Filed

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