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10056 PHMSA-Sponsored Research: Improvements to ECDA Process-Cased Pipes

Product Number: 51300-10056-SG
ISBN: 10056 2010 CP
Author: Larry G. Rankin, James T. Carroll, David H. Kroon, Dale Lindemuth, Marlane Miller, Olagoke Olabisi
Publication Date: 2010
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This paper highlights an ongoing PHMSA-sponsored research project directed toward developing an External Corrosion Direct Assessment (ECDA) methodology for segments of pipelines that are cased in metallic casings below ground. The paper addresses cased pipe assessment technologies, results of research and testing for applying ECDA methodologies to cased pipe, and a preliminary Cased Pipe ECDA methodology. This ongoing 2-year research project is one part of a three part project to identify enhancements for the ECDA process. The other two parts of the project are enhancing severity ranking for ECDA Indirect Inspection indications and enhancing measurement of pipe-to-soil potentials on pipe under pavement. Completion of this project is scheduled for May 2010.

Key words: Cased Pipe, ECDA, Indirect Inspection tools
This paper highlights an ongoing PHMSA-sponsored research project directed toward developing an External Corrosion Direct Assessment (ECDA) methodology for segments of pipelines that are cased in metallic casings below ground. The paper addresses cased pipe assessment technologies, results of research and testing for applying ECDA methodologies to cased pipe, and a preliminary Cased Pipe ECDA methodology. This ongoing 2-year research project is one part of a three part project to identify enhancements for the ECDA process. The other two parts of the project are enhancing severity ranking for ECDA Indirect Inspection indications and enhancing measurement of pipe-to-soil potentials on pipe under pavement. Completion of this project is scheduled for May 2010.

Key words: Cased Pipe, ECDA, Indirect Inspection tools
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