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A Comparative Methodology for the POE Assessment of Corrosion vs Cracking

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A Comparative Methodology A Comparative Methodology for the POE Assessment of Corrosion vs Cracking Lucinda SmartKiefner and Associates, Inc., Ames, USA The probability of exceedance (POE) method refers to the likelihood that a defect exceeds a specific limit or threshold, such as pressure or depth. This concept is essential in risk-based pipeline management, as it

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Engineering Assessment of Dents Without Dent Profiles: Prioritizing Resources and Leveraging Existing Data

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Engineering Assessment of Dents without Dent Profiles: Prioritizing Resources and Leveraging Existing Data Zahra Lotfian, PhD, PE Senior Engineer, Kiefner and Associates, Inc. Houston, Texas [email protected] Noraswad Mohamad Daud Lead Engineer, Saudi Aramco Abqaiq, Saudi Arabia [email protected] Dent integrity assessments typically rely on high-resolution dent profile data to estimate strain levels and assess fatigue life.

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What Can You Do with an Abundance of ILI Validation Data?

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What Can You Do with an Abundance of ILI Validation Data? Lucinda Smart, Benjamin Wright Kiefner and Associates, Inc., Ames, USA The concept of in-line inspection (ILI) tool validation could be succinctly summarized as follows: identify dig locations based on ILI reported features, measure these features in the ditch, compare in-ditch results with ILI predictions,

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Remaining Life Assessment of Hydrogen Pipelines for Flaw Sizes Below ILI and NDE Detection Limits

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Remaining Life Assessment of Hydrogen Pipelines for Flaw Sizes Below ILI and NDE Detection Limits Zahra Lotifan, Michiel Brongers  Kiefner and Associates, Inc., Houston, USA. Kiefner and Associates, Inc., Columbus, USA. While pressure cycle fatigue may not typically be a significant concern in conventional gas pipelines, introducing hydrogen changes the dynamic. This makes pressure cycle

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Considerations for Pipeline Safety and Siting

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Pipeline Report for the State of Colorado: Considerations for Pipeline Safety and Siting Kiefner and Associates, Inc. worked on a pipeline study with input from Colorado Energy and Carbon Management Commission (ECMC) and Public Utilities Commission (PUC) to address pipeline safety, regulatory gaps, and recommendations for improving oversight and coordination in Colorado. The study involved

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