PIPELINE INSPECTION-1: Uncertainty-based assessment substitutes for internal inspection

Internal inspection of pipelines is not always economic, prompting development of methods for assessing a pipeline’s current condition based on historic operating and process conditions. Modeling the corrosivity of the fluids over the life of the pipeline allows establishment of an assessment of the line’s current condition. This in turn allows development of a risk-based approach to extending asset life.The risk-based analysis uses uncertainty-based probability analysis to allow for gaps in data and uncertainty in process conditions. Changes in operating condition and process fluids over time will affect likely year-on-year degradation.This first part of two articles describe...

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