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2 225 899

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IPC

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Application

2003107036/02, 2003-03-13

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Start date

2003-03-13

(22)

Actual filing date

2003-03-13

(45)

Published

2004-03-20

(72)

Inventor

Panteleeva A.R.Gafurov R.R.Chumak I.Ju.Kudrjavtseva L.A.Timofeeva I.V.Polovnjak V.K.Neizvestnaja R.G.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

CORROSION INHIBITOR - BACTERICIDE IN HYDROGEN SULFIDE-CONTAINING MEDIA Russian patent published in 2004 - IPC

Abstract RU 2225899 C1

FIELD: oil and gas production. SUBSTANCE: invention relates to protection of oil-field equipment and intended for suppressing vital activity of microorganisms and inhibiting corrosion in oil production, transportation, and storage systems, and in watered oil formations, including those operated in secondary oil production. Bactericidal corrosion inhibitor contains 20-15% nonionic surfactant, 30- 50% nitrogen-containing compound, and solvent, said nitrogen-containing compound being product of reaction of tetramethyldipropylenetriamine with C8-C16-alkyl bromides at their molar ratio 1: (1-2), respectively. EFFECT: increased low-dose efficiency and ensured activity against sulfate-reducing bacteria. 1 tbl, 2 ex

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RU 2 225 899 C1

Authors

Panteleeva A.R.

Gafurov R.R.

Chumak I.Ju.

Kudrjavtseva L.A.

Timofeeva I.V.

Polovnjak V.K.

Neizvestnaja R.G.

Dates

2004-03-20—Published

2003-03-13—Filed