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2 064 954

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C1

(51)

IPC

(21) (22)

Application

94022632/03, 1994-06-28

(22)

Actual filing date

1994-06-28

(45)

Published

1996-08-10

(72)

Inventor

Sharifullin A.V.Bajres S.V.Gazizov A.A.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju Firma

COMPOSITION FOR REMOVAL OF ASPHALTENE-TAR-PARAFFINE FORMATIONS Russian patent published in 1996 - IPC

Abstract RU 2064954 C1

FIELD: oil industry. SUBSTANCE: composition contains, % be weight: hydroxyethyl alkylphenol with 4-6 hydroxyethyl groups 0.001-5; product of condensation of diethylene triamine and oleic acid with molar ratio of (1:1) oC (1: 2) - 0.001-5; hydrocarbon solvent the balance. Preferred variant of composition contains hydroxyethyl alkylphenol with 4-6 hydroxyethyl groups; product of condensation of diethylene triamine and oleic acid with molar ratio of (1: 1) oC (1:2), 2-butoxyethanol and hydrocarbon solvent. EFFECT: increased efficiency in removing asphaltene-tar-paraffine formations. 3 cl, 2 tbl

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RU 2 064 954 C1

Authors

Sharifullin A.V.

Bajres S.V.

Gazizov A.A.

Dates

1996-08-10—Published

1994-06-28—Filed

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