Kiefner and Associates, Inc.

ILI

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

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

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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