MANAGING CORROSION IN OIL AND GAS PIPELINES BY IMPRESSED CURRENT CATHODIC PROTECTION

AUTHOR: IGBESI FRIDAY CHUKWUYEM

DEPARTMENT: INDUSTRIAL/PRODUCTION ENGINEERING

AFFILIATION: NNAMDI AZIKIWE UNIVERSITY, AWKA

 Managing corrosion in oil and gas pipelines by Impressed Current Cathodic Protection (ICCP) was carefully and successfully carried out. A detailed soil analysis along right way on 24” Amukpe-Urhiapele Forcados Trunkline was carried out to establish the presence of conditions necessary for corrosion of pipelines in those areas understudy. Construction of an impressed current cathodic protection rectifier was done. Carbon steel pipes were buried without/with Impressed Current Cathodic Protection (ICCP) for 4 weeks, 8 weeks, 12 weeks, 16 weeks and 20 weeks respectively. Data on weight loss and tensile strength were collected for Carbon steel pipe buried without cathodic protection (P1) and Carbon steel pipe buried with cathodic protection (P2) respectively. The data were analyzed with corrosion rate equation for P1 and P2 respectively. At the end of 20 weeks, the corrosion rate of Carbon steel pipe buried without cathodic protection (P1) was 1.9×10-3mm/yr and Carbon steel pipe buried with cathodic protection (P2) was 2.5×10-4mm/yr. From the results, it can be concluded that all things being equal, ICCP is an effective and efficient means of corrosion control in oil and gas pipelines.

TO VIEW THE FULL CONTENT OF THIS DOCUMENT, PLEASE VISIT THE UNIZIK LIBRARY WEBSITE USING THIS LINK, http://naulibrary.org/dglibrary/admin/book_directory/Industrial_Production_Engr/11351.pdf

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