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2 077 608

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Application

95118273/02, 1995-10-24

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Actual filing date

1995-10-24

(45)

Published

1997-04-20

(72)

Inventor

Panteleeva A.R.Tishankina R.F.Sagdiev N.R.Kudrjavtseva L.A.Malkov Ju.K.Magalimov A.F.Minnegaleev M.G.Ryzhkina I.S.Timofeeva I.V.

(73)

Holder

Aktsionernoe Obshchestvo

CORROSION INHIBITOR IN AQUEOUS MEDIA Russian patent published in 1997 - IPC

Abstract RU 2077608 C1

FIELD: oil and gas production. SUBSTANCE: corrosion inhibitor for oil-field equipment operating in aqueous media containing oxygen and hydrogen sulfide contains (in wt %): phosphoric acid, 5-20; ethanolamine, 6.6.-13.3; interaction product of hydroxyalkylated surfactant and a phosphorous acid derivative, 7.2-28.5; and solvent, the balance. EFFECT: improved corrosion resistance. 1 tbl

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RU 2 077 608 C1

Authors

Panteleeva A.R.

Tishankina R.F.

Sagdiev N.R.

Kudrjavtseva L.A.

Malkov Ju.K.

Magalimov A.F.

Minnegaleev M.G.

Ryzhkina I.S.

Timofeeva I.V.

Dates

1997-04-20—Published

1995-10-24—Filed

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