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2 069 669

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C1

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IPC

(21) (22)

Application

94007817/04, 1994-03-10

(22)

Actual filing date

1994-03-10

(45)

Published

1996-11-27

(72)

Inventor

Tudrij G.A.Klimovitskij E.N.Kostakov Ju.Ju.Polozov A.M.Judina T.V.Rjabinina N.I.Lebedev N.A.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Po Neftepromyslovoj Khimii

METHOD OF PREPARING DEMULSIFIER Russian patent published in 1996 - IPC

Abstract RU 2069669 C1

FIELD: oil and gas production; petroleum dehydration. SUBSTANCE: demulsifier is prepared by interaction of polyethylene-propylene oxide block copolymer with phosphorelating agent and then with an amine at weight ratio 1 : up to 2 : up to 2, respectively. EFFECT: achieved protection of oil field equipment from corrosion. 2 cl

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RU 2 069 669 C1

Authors

Tudrij G.A.

Klimovitskij E.N.

Kostakov Ju.Ju.

Polozov A.M.

Judina T.V.

Rjabinina N.I.

Lebedev N.A.

Dates

1996-11-27—Published

1994-03-10—Filed

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