PIPELINE INSPECTION-Conclusion: Corrosivity modeling helps determine current condition

Modeling the corrosivity of liquids transported over the life of a pipeline can determine the current condition of pipelines in which in-line inspection is not possible. Such modeling also allows development of a risk-based approach to extending asset life.The first part of this two-article series (OGJ, Nov. 5, 2007, p. 92) described the parameters of the risk-based approach and presented the first of two case studies in which use of uncertainty modeling helped assess a pipeline’s current condition.This second, concluding, article presents the second case study.North Sea caseA North Sea operator with an extensive subsea pipeline network experienced difficulty in performing inline in...

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