TransCanada has a need to manage sections of the pipeline that are susceptible to stress corrosion cracking (SCC) failure by periodically performing hydrostatic testing. Since hydrostatic testing requires a complete service interruption, In Line Inspection technologies (operating in gas pipelines without liquid couplant) are being investigated as an alternate method to managing this hazard. This requirement resulted in a joint technology and tool development project involving GE Energy and TransCanada. The EmatScan® Crack Detection (CD) tool is designed to detect and size longitudinally oriented external SCC features in gas-filled pipelines. During autumn 2002, the EmatScan® CD tool was run in a 64 km section of the TransCanada system. In 2003, field correlation excavations were conducted to assess the accuracy of the tool. This paper describes the results from the correlation program conducted to validate GE Energy’ 36 inch (914 mm) diameter EMAT (Electro Magnetic Acoustic Transducer) crack detection tool.
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2004 International Pipeline Conference
October 4–8, 2004
Calgary, Alberta, Canada
Conference Sponsors:
- International Petroleum Technology Institute
ISBN:
0-7918-4176-6
PROCEEDINGS PAPER
Validation of EMAT In-Line Inspection Technology for SCC Management Available to Purchase
Meera Kothari,
Meera Kothari
TransCanada, Calgary, AB, Canada
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Stephan Tappert,
Stephan Tappert
GE Energy, Stutensee, Germany
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Uwe Strohmeier,
Uwe Strohmeier
GE Energy, Stutensee, Germany
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N. Daryl Ronsky
N. Daryl Ronsky
GE Energy, Calgary, AB, Canada
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Meera Kothari
TransCanada, Calgary, AB, Canada
Stephan Tappert
GE Energy, Stutensee, Germany
Uwe Strohmeier
GE Energy, Stutensee, Germany
Jose Larios
GE Energy, Houston, TX
N. Daryl Ronsky
GE Energy, Calgary, AB, Canada
Paper No:
IPC2004-0078, pp. 969-974; 6 pages
Published Online:
December 4, 2008
Citation
Kothari, M, Tappert, S, Strohmeier, U, Larios, J, & Ronsky, ND. "Validation of EMAT In-Line Inspection Technology for SCC Management." Proceedings of the 2004 International Pipeline Conference. 2004 International Pipeline Conference, Volumes 1, 2, and 3. Calgary, Alberta, Canada. October 4–8, 2004. pp. 969-974. ASME. https://doi.org/10.1115/IPC2004-0078
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