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Application

99105286/13, 1999-03-11

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Start date

1999-03-11

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Actual filing date

1999-03-11

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Published

2000-06-10

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Inventor

Gafurov O.G.Ramazanova A.A.Zagidullina L.N.Nazmiev I.M.Ragulin V.A.Kotenev Ju.A.Andreev V.E.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Neftjanaja Kompanija

OIL FIELD DEVELOPMENT METHOD Russian patent published in 2000 - IPC

Abstract RU 2150580 C1

FIELD: oil and gas production. SUBSTANCE: method consists in injecting excess activated sludge followed by, 3 to 12 months later, injecting aqueous solutions of mixtures of dihydroxybenzenes, 2-4%, ratio of injected volumes being 1: (0.3-0.7). Water level in produced oil from some wells was 4-fold reduced during 10 months or longer. EFFECT: increased productivity of wells. 2 tbl

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RU 2 150 580 C1

Authors

Gafurov O.G.

Ramazanova A.A.

Zagidullina L.N.

Nazmiev I.M.

Ragulin V.A.

Kotenev Ju.A.

Andreev V.E.

Dates

2000-06-10—Published

1999-03-11—Filed

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