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2 354 752

(13)

(51)

IPC

C23F11/14(2006-01-01)

(21) (22)

Application

2006141319/02, 2006-11-22

(24)

Start date

2006-11-22

(22)

Actual filing date

2006-11-22

(45)

Published

2009-05-10

(72)

Inventor

Abdrakhmanov Il'Dus BarievichKhusnitdinov Ramil' NuritdinovichMustafin Akhat Gaziz'JanovichGataullin Rail Rafkatovich

(73)

Holder

Institut Organicheskoj Khimii Ufimskogo Nauchnogo Tsentra Ran

HYDROGEN SULPHIDE CORROSION STEEL PROTECTION TECHNIQUE Russian patent published in 2009 - IPC C23F11/14

Abstract RU 2354752 C2

FIELD: chemistry; metallurgy.

SUBSTANCE: invention refers to corrosion metal protection by using inhibitors in mineralised mediums of hydrogen sulphide to be used in oil industry. The method involves addition of 2,4,6-three-(11-methyl-21-butenyl)aniline concentrated 25-200 mg/l in mineralised mediums of hydrogen sulphide.

EFFECT: reduced steel corrosion rate.

1 tbl, 3 ex

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RU 2 354 752 C2

Authors

Abdrakhmanov Il'Dus Barievich

Khusnitdinov Ramil' Nuritdinovich

Mustafin Akhat Gaziz'Janovich

Gataullin Rail Rafkatovich

Dates

2009-05-10—Published

2006-11-22—Filed