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2 036 167

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C1

(51)

IPC

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Application

93007155/26, 1993-02-04

(22)

Actual filing date

1993-02-04

(45)

Published

1995-05-27

(72)

Inventor

Bikchantaeva N.V.Koltysheva T.N.Shegidevich G.A.Vinogradov E.A.Smirnov V.V.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Po Neftepromyslovoj Khimii

COMPOSITION FOR PREVENTING DEPOSITION ON OIL FIELD EQUIPMENT Russian patent published in 1995 - IPC

Abstract RU 2036167 C1

FIELD: oil production and oil processing. SUBSTANCE: proposed composition contains (mass %): oxyethylidene diphosphonic acid 5.15-5.5, side product of morpholine production 42.1-61.3, block copolymer of ethylene oxide and propylene oxide on the base of ethylene diamine 4.05-6.0, bis(alkylpolyoxyethylene)phosphate 20.0-27.5, isopropyl alcohol 8.0-16.0, water the rest. Said composition is effective when it is used at dosage 200-400 mg/dm3.. EFFECT: improves quality of composition. 3 tbl

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RU 2 036 167 C1

Authors

Bikchantaeva N.V.

Koltysheva T.N.

Shegidevich G.A.

Vinogradov E.A.

Smirnov V.V.

Dates

1995-05-27—Published

1993-02-04—Filed

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