Currently there is no universally accepted nomenclature system used in the pipeline industry. Typically each vendor or operator uses their own terminology based on relevant codes, training, and experience. This creates a problem when correlating Inline Inspection data with Non Destructive Evaluation and Metallurgical Sectioning results. This paper’s intention is to introduce a classification system that is independent of both vendor & operator specific terminology. In developing this universal nomenclature system, the authors consulted various pipeline operators and related regulatory bodies, as well as other publicized nomenclature sources. Once all the terms were compiled they were then merged, classified, and indexed. This indexed classification system will reflect the abilities and limitations of the three inspection methods and how they relate to each other so that proper correlation can be achieved.

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