(continued from issue 105 (2007) 44, pp 68-74) Laboratory experiments and observation of pit growth rates in six operating fields have led to development of a model to predict internal pitting corrosion of oil and gas pipelines. The inputs required to use the model (construction and operational) are readily availabe from the field. The model accounts for the statistical nature of pitting corrosion, predicts the growth of internal corrosion pits, considers the variation of pitting corrosion rate, and determines any error in the prediction. The first part of a two article series examined the pitting corrosion mechanism as well as problems in predicting internal pitting corrosion of oil and gas pipelines, before beginning an assessment of the parameters influencing internal pitting corrosion. This second, concluding article continues the assessment of parameters begun in Part 1 and discusses both the predicting model and its validating observations.
Corrosion modeling - Conclusion. Field inputs guide internal pitting corrosion model
Oil and Gas Journal ; 105 , 45 ; 62-67
2007
5 Seiten, 1 Bild, 11 Tabellen, 8 Quellen
Article (Journal)
English
Corrosion modeling - 1. Model predicts internal pitting corrosion of oil, gas pipelines
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