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Application

2001133116/03, 2001-12-11

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Start date

2001-12-11

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Actual filing date

2001-12-11

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Published

2003-09-27

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Inventor

Krasnopevtseva N.V.Vlasov S.A.Polishchuk A.M.Kudrjashov B.M.Kagan Ja.M.Balakin V.V.Savel'Ev Ju.S.

(73)

Holder

Polishchuk Aleksandr Mikhajlovich

COMPOSITION FOR REGULATION OF OIL DEPOSIT DEVELOPMENT Russian patent published in 2003 - IPC

Abstract RU 2213212 C2

FIELD: oil producing industry, particularly, well development of oil deposits. SUBSTANCE: composition includes exopolysacharide containing 1-30 wt.% of uronic acids and produced Azotobacter Vinelandii (Lipman)FTch-1 VKPM V-5933 in form of culture fluid, chrome alum and water. Composition additionally contains surfactant from class of ethoxylated ethers of sorbitan of general formula given in invention description. Composition contains the following amounts of ingredients, wt.%: said exopolysacharide 0.001-1.0; chrome alum 0.002-0.04; said surfactant 0.02- 0.1; the balance, water. EFFECT: improved rheological properties of compositions, its higher flexibility resulting in its needed strength. 1 tbl

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RU 2 213 212 C2

Authors

Krasnopevtseva N.V.

Vlasov S.A.

Polishchuk A.M.

Kudrjashov B.M.

Kagan Ja.M.

Balakin V.V.

Savel'Ev Ju.S.

Dates

2003-09-27—Published

2001-12-11—Filed

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