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Author name: Jessica Quach

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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2025 Spot Bonus Incentive

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Exciting Opportunity: 2025 Spot Bonus Program! Exciting News from Kiefner and Associates, Inc.! We’re launching a new Spot Bonus Program to reward industry experts—whether you are retired and looking for flexible work or seeking full-time opportunities. If you are an industry expert and have strong industry connections, this could be a great opportunity for you!

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Managing Internal Corrosion Threat in Unpiggable Pipeline and Facility Deadlegs

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Managing Internal Corrosion Threat in Unpiggable Pipeline and Facility Deadlegs Leslie Ward Kiefner and Associates, Inc., Houston, TX, USA Dead leads in piping systems create a high risk for internal corrosion because of their no-flow or low-flow condition. Within the Midstream industry, designs continue to include dead legs, so facility integrity management programs must manage

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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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Advancements and Risk Management in Pipeline Integrity, Assessment, and Safety

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Advancements and Risk Management in Pipeline Integrity, Assessment, and Safety Engineering Critical Assessment of Vintage Girth Welds Presentation Engineering Critical Assessment of Vintage Girth Welds Paper Study of Pipelines that Ruptured while Operating at a Hoop Stress Below 30% SMYS Risk Assessment Model Paper: Here are Factors that Govern Evaluation of Mechanical Damage to Pipelines

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PipeProps™

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PipeProps™ Confidently verify pipeline material grade for 49 CFR 192 Compliance The Challenge: For pipelines without traceable, verifiable, and complete (TVC) records, 49 CFR § 192.607 requires material verification testing whenever the pipeline is exposed. When records are incomplete, in-situ nondestructive testing is necessary. However, uncertain in-situ testing results create compliance challenges. How can you be

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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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Paul Sinclair

Kiefner And Associates Experts / By

Paul Sinclair Technical Authority Mr. Paul Sinclair graduated with a BS in Electrical Engineering from Texas A&M University. He has a versatile engineering background with more than 36 years of experience in pipeline integrity, corrosion control, cathodic protection, and integrity management. Mr. Sinclair has in depth knowledge and understanding of pipeline and corrosion engineering principals

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Leslie Ward

Kiefner And Associates Experts / By

Leslie Ward Senior Principal Engineer Ms. Leslie Ward provides professional consulting and engineering services to support project execution and business development activities. She prepares project proposals and provides information by assembling and summarizing data, preparing reports, and presenting findings, analyses, and recommendations. She also performs quality reviews of draft technical reports and supports the completion

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