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2 136 869

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Application

98114887/03, 1998-07-21

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Start date

1998-07-21

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Actual filing date

1998-07-21

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Published

1999-09-10

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Inventor

Simaev Ju.M.Bazekina L.V.Luk'Janov Ju.V.Vasilenko V.F.Mikhajlov A.A.Kurmakaeva S.A.

(73)

Holder

Aktsionernaja Neftjanaja Kompanija Bashneft'

METHOD OF DEVELOPING OIL DEPOSIT Russian patent published in 1999 - IPC

Abstract RU 2136869 C1

FIELD: oil and gas production. SUBSTANCE: method consists in consecutively injecting edges of aqueous solution of a biopolymer together with water-soluble biological surfactant and liquid glass at preferable ratio 1:1: (0.04-0.2). EFFECT: increased efficiency of development resulting in increased oil recovery due to reduced water permeability of washed formation bottoms. 2 cl, 1 tbl, 2 ex

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RU 2 136 869 C1

Authors

Simaev Ju.M.

Bazekina L.V.

Luk'Janov Ju.V.

Vasilenko V.F.

Mikhajlov A.A.

Kurmakaeva S.A.

Dates

1999-09-10—Published

1998-07-21—Filed

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