Risk-based model aids selection of pipeline inspection, maintenance strategies

The existing method of pipeline monitoring, which requires an entire pipeline to be inspected periodically, wastes time and is expensive.A risk-based model that reduces the amount of time spent on inspection has been developed.This model not only reduces the cost of maintaining petroleum pipelines, but also suggests an efficient design and operation philosophy, construction method, and logical insurance plans.The risk-based model uses analytic hierarchy process (AHP), a multiple attribute decision-making technique, to identify factors that influence failure on specific segments and analyze their effects by determining the probabilities of risk factors.The severity of failure is determined...

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