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2 071 498

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IPC

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Application

94006707/04, 1994-02-24

(22)

Actual filing date

1994-02-24

(45)

Published

1997-01-10

(72)

Inventor

Shuverov V.M.Bazhenov V.P.Shipiguzov L.M.Kobjakov N.I.Makarov A.D.Pavlychev V.N.Rjabov V.G.Antropov A.I.Jakimov S.V.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju

METHOD FOR DEHYDRATION AND DESALTING OF PETROLEUM Russian patent published in 1997 - IPC

Abstract RU 2071498 C1

FIELD: oil recovery and oil processing. SUBSTANCE: desired composition contains block copolymer of ethylene and propylene oxide on the base of ethylene diamine having formula $$$ where 4n=27-28, 4m=59-61 together with sodium or potassium salt of carboxymethyloxyethylated isononyl phenol, mass ratio of said components being 1:3-3:1. Said salt has formula $$$ where Kt is potassium or sodium. EFFECT: improves efficiency of the method. 1 tbl

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RU 2 071 498 C1

Authors

Shuverov V.M.

Bazhenov V.P.

Shipiguzov L.M.

Kobjakov N.I.

Makarov A.D.

Pavlychev V.N.

Rjabov V.G.

Antropov A.I.

Jakimov S.V.

Dates

1997-01-10—Published

1994-02-24—Filed

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