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By Kenny T. Farrow, PhD, PE, PEng, Principal Engineer, Stress Engineering Services Canada
As a pipeline operator, are you challenged by embedded flaws in pipeline girth welds? As most weld repairs are often done under less-than-ideal conditions (wide range of temperatures, awkward geometries, time constraints, excavation costs, etc.) there is adequate justification for having the best possible technical approach for evaluating flaws prior to repair. Stress-based engineering critical assessment ECA procedures for embedded flaws as well as the use of finite element analysis (FEA) of embedded flaws subjected to large strains, are core approaches here at Stress Engineering Service Canada. ECA and FEA of girth weld flaws are powerful methodologies that can assist in prioritizing, scheduling, or in some cases, eliminating the need for costly integrity digs. Please reach out to hear more about how we can help. Note that if required, we validate our work with small- or full-scale testing, ensuring that our engineering solutions meet your real-world needs.
*Tensile Test of Girth Weld with Digital Image Correlation Strain Field
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