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2 209 231

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Application

2001126686/04, 2001-10-01

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Start date

2001-10-01

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Actual filing date

2001-10-01

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Published

2003-07-27

(72)

Inventor

Safin D.Kh.Nurullina I.I.Tjunin M.I.Gabdulkhakova A.Z.Gabdulkhakova N.S.Shepelin V.A.Chebareva A.I.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

DEMULSIFIER PREPARATION METHOD Russian patent published in 2003 - IPC

Abstract RU 2209231 C2

FIELD: crude oil treatment. SUBSTANCE: method consists in mixing anticorrosive agent with mixture of block copolymers of ethylene oxides obtained by oxyalkylation of polyatomic alcohol and/or amine. EFFECT: reduced amounts of demulsifier when treating heavy sulfurous oils without loss in activity at elevated temperatures. 3 cl, 4 tbl, 7 ex

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RU 2 209 231 C2

Authors

Safin D.Kh.

Nurullina I.I.

Tjunin M.I.

Gabdulkhakova A.Z.

Gabdulkhakova N.S.

Shepelin V.A.

Chebareva A.I.

Dates

2003-07-27—Published

2001-10-01—Filed

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