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2 263 726

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Application

2004132737/02, 2004-11-10

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Start date

2004-11-10

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Actual filing date

2004-11-10

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Published

2005-11-10

(72)

Inventor

Rjabinin D.P.Kislikova S.A.Tudrij V.D.Sharafeeva D.G.Anan'Ev N.A.Khusnullin M.G.Gil'Mutdinov A.V.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Firma

INHIBITOR OF METAL CORROSION IN HYDROGEN SULFIDE MEDIA Russian patent published in 2005 - IPC

Abstract RU 2263726 C1

FIELD: corrosion protection.

SUBSTANCE: invention relates to means of protecting oil-field equipment against corrosion and provides inhibitor containing, wt %: alkylbenzyldimethylammonium chloride fraction C10-C18 2.5-10, oxyethylated C8-C18-alkylamine 3-10, ethanolamine 1-5, mixture of polymer-polyols of oxyethylated polypropylene glycol 2.5-7.5, and solvent the balance.

EFFECT: increased metal corrosion inhibitory efficiency for acid and neutral hydrogen sulfide-containing oil-field media at low specific consumptions.

3 tbl

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RU 2 263 726 C1

Authors

Rjabinin D.P.

Kislikova S.A.

Tudrij V.D.

Sharafeeva D.G.

Anan'Ev N.A.

Khusnullin M.G.

Gil'Mutdinov A.V.

Dates

2005-11-10—Published

2004-11-10—Filed

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