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2 149 980

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Application

97118163/03, 1997-11-03

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Start date

1997-11-03

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Actual filing date

1997-11-03

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Published

2000-05-27

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Inventor

Khlebnikov V.N.Almaev R.Kh.Plotnikov I.G.Shuvalov A.V.Bazekina L.V.

(73)

Holder

Aktsionernaja Neftjanaja Kompanija

COMPOSITION FOR CONTROLLING PERMEABILITY OF NONUNIFORM FORMATION Russian patent published in 2000 - IPC

Abstract RU 2149980 C1

FIELD: oil and gas production. SUBSTANCE: aqueous composition containing 0.3 to 7.5 wt % (on conversion to solid) of coal-alkali reagent enhances treatment efficiency, levels flood front, and decreases nonproductive water pumping. EFFECT: increased oil recovery of formation. 5 tbl, 4 ex

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RU 2 149 980 C1

Authors

Khlebnikov V.N.

Almaev R.Kh.

Plotnikov I.G.

Shuvalov A.V.

Bazekina L.V.

Dates

2000-05-27—Published

1997-11-03—Filed

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