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Keywords: Ultrasonic
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Proceedings Papers

Proc. ASME. IPC2012, Volume 2: Pipeline Integrity Management, 369-378, September 24–28, 2012
Paper No: IPC2012-90184
... historical data was available for the 3 non-piggable pipelines compared to the newer 36 pipeline which was ultrasonically (UT) inspected via in-line inspection (ILI). In the Indirect Inspection step, the proprietary internal corrosion predictive model (ICPM), enpICDATM, was applied with a uniform pitting...
Proceedings Papers

Proc. ASME. IPC2008, 2008 7th International Pipeline Conference, Volume 3, 175-178, September 29–October 3, 2008
Paper No: IPC2008-64273
... 10 07 2009 Various types of defect may be formed in girth welds of long-distance pipeline in the process of welding. They are hidden dangers to pipeline transportation safety. Currently, ultrasonic phased array instrument is commonly adopted for quick automatic positioning...
Proceedings Papers

Proc. ASME. IPC2008, 2008 7th International Pipeline Conference, Volume 2, 297-300, September 29–October 3, 2008
Paper No: IPC2008-64181
... 10 07 2009 Though ultrasonic phased array technology is more efficient than traditional manual ultrasonic testing method, automatic flaw classification is a challenge and still hasn’t been well solved. Whether the representative features can be extracted from each type of ultrasonic...
Proceedings Papers

Proc. ASME. IPC2004, 2004 International Pipeline Conference, Volumes 1, 2, and 3, 905-908, October 4–8, 2004
Paper No: IPC2004-0719
... Phased arrays generate ultrasonic waves by using recisely-defined time delays for each element in an ultrasonic array group, this permits constructive and destructive interference of the wavefronts to form the pre-defined beam. So, ultrasonic phased arrays are well suited to weld inspections...
Proceedings Papers

Proc. ASME. IPC2004, 2004 International Pipeline Conference, Volumes 1, 2, and 3, 929-934, October 4–8, 2004
Paper No: IPC2004-0392
.... Enbridge has tested and utilized various NDE techniques to assess these defects with varying degrees of success. This paper identifies how Enbridge has employed a selection of automated internal and external corrosion mapping systems and advanced ultrasonic flaw sizing techniques. The review...