Investigation of the Pipeline Coating Properties Degradation to Increase the Energy Efficiency of the Cathodic Protection Stations

Abstract:

In this paper, it is proposed to investigate the influence of the parameter providing the rate of pipeline coating degradation on the protective length of cathodic protection systems (CPS). Comparison of the calculated values of the pipeline coating resistance with the predicted values is carried out according to the theoretical distribution of the pipeline coating resistance in time. The difference between the practical value of the parameter providing the rate of coating degradation of the considered pipeline section from the predicted one is determined. The dependence of the parameter providing the rate of pipeline coating degradation on the protective length of the CPS has been formed, which makes it possible to reduce the number of cathodic protection stations along the pipeline path at the design stage, and to diminish their energy consumption in the electrochemical protection system from corrosion of oil and gas pipelines.

• Periodical: Materials Science Forum (Volume 1083)
• Pages: 183-192
• DOI: https://doi.org/10.4028/p-cw0rag
• Online since: April 2023
• Authors: R.V. Aginey*, Zh.Yu. Kapachinskikh, E.V. Isupova
• Keywords: Cathodic Protection, Coating Resistance, Corrosion

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