PIPELINE INTEGRITY—2 (Conclusion): Model choice governs accuracy of corrosion predictions

Francisco Caleyo Alma Valor Victoria Venegas Jose Hiram Espina Hernandez Julio C. Velazquez Jose Manuel Hallen ESIQIE, Instituto Politecnico Nacional Mexico City Pipeline reliability analysis requires selection of a defect growth model that will accurately predict both the time evolution of corrosion defects and the probability of these defects' failure. The first article in this series (OGJ, Oct. 1, 2012, p. 122) established the methodology for developing prediction models and examined each. This second, concluding article compares the models' performance before determining the Markov model as the model of choice for correct prediction of corrosion defect depth evolution and pipelin...

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