ANTICORROSIVE PROTECTION METHOD FOR INNER AND OUTER SURFACES OF METAL PIPELINES BY ALTERNATING CURRENT APPLYING Russian patent published in 2014 - IPC C23F15/00 C23F13/04

Abstract RU 2533467 C2

FIELD: oil and gas industry.

SUBSTANCE: invention is related to anticorrosive protection method for inner and outer surfaces of metal pipelines in order to prevent corrosion damage of their inner and outer surfaces and may be used in oil and gas industry, communal services in order to reduce emergency rate during operation of pipeline transporting corrosive substances laid underground, on ground and above ground. The protected sections of the pipeline systems are impacted by current with infra-low frequency, at that pipeline sections are separated electrically by an insulating insert.

EFFECT: improved stability of the metal pipeline to internal and external corrosion.

3 dwg

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RU 2 533 467 C2

Authors

Bojko Sergej Ivanovich

Petrov Aleksej Vladimirovich

Dates

2014-11-20—Published

2012-11-30—Filed