CORROSION INHIBITOR PREPARATION METHOD Russian patent published in 2001 - IPC

Abstract RU 2162116 C1

FIELD: corrosion protection. SUBSTANCE: corrosion inhibitor is prepared by successively mixing (i) product of interaction of oxyethylated monoalkylphenol or oxyethylated fatty alcohol with organophosphorus compound and amine in solvent 50-80%, and (ii) product of interaction of organic acid with amine in solvent 10- 30%, and (III) nonionic simplified, the balance. Inhibitor is intended for protection of oil-field equipment against hydrogen sulfide and carbon dioxide corrosion. EFFECT: increased inhibitory properties in carbon dioxide media. 3 tbl, 22 ex

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RU 2 162 116 C1

Authors

Panteleeva A.R.

Tishankina R.F.

Timofeeva I.V.

Kuznetsov A.V.

Safin A.N.

Sagdiev N.R.

Dates

2001-01-20—Published

2000-01-28—Filed