Anticorrosive Monitoring and Complex Diagnostics of Corrosion-Technical Condition of Main Oil Pipelines in Russia

M. Kosterina; S. Artemeva; M. Komarov; I. Vjunitsky; V. Pritula

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자료유형: 학술저널

저자정보: M. Kosterina S. Artemeva M. Komarov I. Vjunitsky V. Pritula

저널정보: 한국부식방식학회 Corrosion Science and Technology Corrosion Science and Technology 제7권 제4호

발행연도: 2008.1

수록면: 208 - 211 (4page)

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연구주제

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연구방법

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Safety operation of main pipelines is primarily provided by anticorrosive monitoring. Anticorrosive monitoring of oil pipeline transportation objects is based on results of complex corrosion inspections, analysis of basic data including design data, definition of a corrosion residual rate and diagnostic of general equipment’s technical condition. All the abovementioned arrangements are regulated by normative documents. For diagnostics of corrosion-technical condition of oil pipeline transportation objects one presently uses different methods such as in-line inspection using devices with ultrasonic, magnetic or another detector, acoustic-emission diagnostics, electrometric survey, general external corrosion diagnostics and cameral processing of obtained data. Results of a complex of diagnostics give a possibility:․to arrange a pipeline’s sectors according to a degree of corrosion danger;․to check up true condition of pipeline’s metal;․to estimate technical condition and working ability of a system of anticorrosive protection. However such a control of corrosion technical condition of a main pipeline creates the appearance of estimation of a true degree of protection of an object if values of protective potential with resistive component are taken into consideration only. So in addition to corrosive technical diagnostics one must define a true residual corrosion rate taking into account protective action of electrochemical protection and true protection of a pipeline one must at times. Realized anticorrosive monitoring enables to take a reasonable decision about further operation of objects according to objects’ residual life, variation of operation parameters, repair and dismantlement of objects.

#corrosion #monitoring #diagnostic #pipelines

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