Protecting underground pipelines from corrosion in sub-zero environments

Northern Canada's permafrost and semi-permafrost environment poses a challenge for designing and building buried oil and gas pipelines. Researchers explored and evaluated the use of a certain type of corrosion prevention system, cathodic protection, in permafrost regions. Researchers have explained how cathodic protection systems function in sub-zero environments and how they can, when combined with external pipeline coatings, provide long-term protection from corrosion.

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