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| Title: |
Responding to crack-detection ILI |
| Category: |
Technical papers from the Journal of Pipeline Engineering
|
| Downloadable: |
Yes  |
| Project No.: |
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| Research
Agency: |
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| Catalog No.: |
2130s |
| Date
of Publication: |
June, 2008 |
| Price: |
$25.00
|
| Authors: |
Dr Martin Phillips and Cliff Maier |
| Abstract: |
INCREASING USE of ultrasonic crack detection (UTCD) ILI1 technology requires operators to assess and respond to the UTCD ILI reports. However, unlike magnetic-flux leakage (MFL) and ultrasonic wall thickness measuremen(UTWM) ILI reports, a response methodology for what UTCD ILI reports may contain is less well developed. This paper looks at how responding to UTCD ILI reports is similar in theory to metal-loss ILI reports, but in practice may result in less certainty. Examples of situations that may arise are given by examining two case studies, one involving the inspection of the weld of low-frequency electric resistance welded (ERW) pipe, and the other for stress-corrosion cracking. |
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