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2 154 090

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Application

99114879/04, 1999-07-08

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Start date

1999-07-08

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Actual filing date

1999-07-08

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Published

2000-08-10

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Inventor

Lebedev N.A.Judina T.V.Khlebnikov V.N.Varnavskaja O.A.Jusupov N.Kh.Gabutdinov M.S.Gusev Ju.V.Romanov N.V.Petrov F.K.Gabov V.A.Maevskij I.I.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Institut Po Neftepromyslovoj Khimii"

METHOD OF PREPARING DEMULSIFIER FOR DEHYDRATION AND DESALTING OF CRUDE OIL Russian patent published in 2000 - IPC

Abstract RU 2154090 C1

FIELD: crude oil treatment. SUBSTANCE: amine- or glycol- based block copolymer of ethylene oxide and propylene oxide together with glycerol-based block copolymer of ethylene oxide and propylene oxide with 1-40 ethylene oxide units and 50-140 propylene oxide units and molecular weight 4000-100000 is phosphorylated by phosphorus- containing compound. Molar ratio between amine or glycol-based block copolymer, glycerol-based one, and phosphorus-containing compound is 1:(0.1-0.5):(0.1-5). In preferred embodiment of invention, phosphorylation product is dissolved in C1- C3-alcohol or its mixture with water. EFFECT: increased efficiency in treatment of crude oils with water level up to 70%. 3 tbl, 57 ex

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RU 2 154 090 C1

Authors

Lebedev N.A.

Judina T.V.

Khlebnikov V.N.

Varnavskaja O.A.

Jusupov N.Kh.

Gabutdinov M.S.

Gusev Ju.V.

Romanov N.V.

Petrov F.K.

Gabov V.A.

Maevskij I.I.

Dates

2000-08-10—Published

1999-07-08—Filed

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