In this paper a holistic approach to defect assessment is developed. The main emphasis is put on issues of defect detection and characterization — discrimination, interpretation and sizing by comprehensive evaluation of data acquired from In-line inspection (ILI) tools. The role of human factor in the use of ILI technology is discussed. General characteristic of ILI as a measurement system is given, and basics of the holistic analysis of ILI are presented. Results of analysis of real ILI data and of Monte-Carlo simulation are addressed, including a new approach to planning and analyzing results of verification digs, and an assessment of the true values of defect parameters.
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Holistic Approach to Acquisition and Statistical Analysis of ILI Results
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Polouian, LV, & Timashev, SA. "Holistic Approach to Acquisition and Statistical Analysis of ILI Results." Proceedings of the 2006 International Pipeline Conference. Volume 2: Integrity Management; Poster Session; Student Paper Competition. Calgary, Alberta, Canada. September 25–29, 2006. pp. 439-446. ASME. https://doi.org/10.1115/IPC2006-10291
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