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Self Excited Eddy Currents for the Detection of SCC

[+] Author Affiliations
Grant A. Coleman

BJ Pipeline Inspection Services, Calgary, AB, Canada

Paper No. IPC2008-64307, pp. 463-469; 7 pages
doi:10.1115/IPC2008-64307
From:
  • 2008 7th International Pipeline Conference
  • 2008 7th International Pipeline Conference, Volume 2
  • Calgary, Alberta, Canada, September 29–October 3, 2008
  • Conference Sponsors: International Petroleum Technology Institute and the Pipeline Division
  • ISBN: 978-0-7918-4858-6 | eISBN: 798-0-7918-3835-8
  • Copyright © 2008 by ASME

abstract

Self Excited Eddy Currents (SEEC) present a unique and novel method for internal inspection of natural gas transmission pipelines for the presence of features aligned with the main pipe axis such as Stress Corrosion Cracking (SCC). This paper outlines the theory, methodology and basic design principles of building a SEEC based tool. Results from initial proof of concept testing are presented.

Copyright © 2008 by ASME

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