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51312-01231-Use of ECDA Approach in Prioritization of ILI Anomalies

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Product Number: 51312-01231-SG
ISBN: 01231 2012 CP
Author: Sorin M. Segall
Publication Date: 2012
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ABSTRACT An effective ILI program shall provide a prioritized excavation response plan to address anomalies identified as being of particular concern. Locations that show potential for imminent or short term failure are prioritized under Phase 1 and Phase 2 responses respectively while anomalies that could grow to become a severe risk for pipeline integrity prior to the next ILI are prioritized as Phase 3 excavations. This paper describes the use of ECDA principles in prioritizing Phase 3 anomalies on a gas pipeline in northern Ontario resulting in a more effective excavation program. An ECDA type of prioritization criterion based on the results of an integrated CIPS/DCVG survey in conjunction with the results of Phase 1 and Phase 2 digs is proposed. Keywords: ILI ECDA CIPS DCVG Prior History of Corrosion.
ABSTRACT An effective ILI program shall provide a prioritized excavation response plan to address anomalies identified as being of particular concern. Locations that show potential for imminent or short term failure are prioritized under Phase 1 and Phase 2 responses respectively while anomalies that could grow to become a severe risk for pipeline integrity prior to the next ILI are prioritized as Phase 3 excavations. This paper describes the use of ECDA principles in prioritizing Phase 3 anomalies on a gas pipeline in northern Ontario resulting in a more effective excavation program. An ECDA type of prioritization criterion based on the results of an integrated CIPS/DCVG survey in conjunction with the results of Phase 1 and Phase 2 digs is proposed. Keywords: ILI ECDA CIPS DCVG Prior History of Corrosion.
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Improving the Quality of ECDA Indirect Inspection Data

Product Number: 51317--9038-SG
ISBN: 9038 2017 CP
Author: Sorin Segall
Publication Date: 2017
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The quality of indirect inspection data is critical in an External Corrosion Direct Assessment (ECDA).  The need exists to increase the accuracy of the field data collection, to improve the data processing and to effectively present the results. This paper describes several challenges.
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51314-3815-Challenges in Analyzing ECDA Indirect Inspections Data

Product Number: 51314-3815-SG
ISBN: 3815 2014 CP
Author: Sorin Segall
Publication Date: 2014
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Lessons Learned During 10 Years of ECDA Application

Product Number: 51315-5601-SG
ISBN: 5601 2015 CP
Author: Sorin Segall
Publication Date: 2015
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This paper summarizes the results of ten years of External Corrosion Direct Assessment (ECDA) application on more than 100 projects and includes a number of important lessons learned during the process.
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