Various forms of cracks, crack-like indications and long seam weld anomalies are known to be present in pipelines, which can become a safety concern over the operational life of the pipeline. The most typical forms of cracking are manufacturing-related (such as lack of fusion, cold welds and hook-crack-like phenomena), operations-Driven (fatigue cracks initiating at imperfections or dents) and environmentally-assisted (stress corrosion cracking, hydrogen-induced cracking and corrosion fatigue cracking). This course will cover in greater depth the formation and conditions that drive growth of cracks until they become unstable, leading to leaks or ruptures. The appropriate assessment methods such as ILI tools, pressure testing and direct assessments will be reviewed as well as traditional and current engineering methods for determining crack severity for response and remediation. Each attendee will receive a complimentary Excel-based crack assessment calculator which will be demonstrated in class using practical case studies. It will be necessary to bring a laptop to this course.
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