Case Studies
Inspectioneering contributors and authors have published numerous mechanical integrity case studies in Inspectioneering Journal and throughout our online resources. This page brings all of these case studies into one location to better help you learn from the experience of others.
-
May/June 2018 Inspectioneering JournalBy Geoff Clarkson at UTComp, Inc.With no industry consensus documents in existence that provide guidance for determining FFS of FRP, this article provides a case study that illustrates how an existing European design standard on GRP tanks can be used to calculate expected changes...
-
Partner ContentFFS assessment techniques are applicable to a wide range of damage types: LTA's, cracks, creep damage, dents, and more. These are very powerful analytical tools that often allow operators to not only keep the plant running, but to keep it running...
-
May/June 2018 Inspectioneering JournalBy Nayef Alanazi at Saudi Aramco R&D Center, and Muthukumar Nagu at Saudi Aramco R&D CenterThis article presents a case study from a Middle Eastern refinery that explores a heat exchanger that failed unexpectedly after five years in service. There are multiple initiators that can cause under deposit corrosion (UDC) in heat exchangers in...
-
May/June 2018 Inspectioneering JournalBy Dhananjay H. Rawal at Systech Consultancy ServicesThis article details the experience an oil company had when using FEA to evaluate the implications of a damaged pipeline. Specifically, it presents an efficient method that combines analytical techniques with FEA to determine the pipeline’s...
-
Developing a Fitness for Service Approach for Reduced Toughness Carbon Steel Piping, Flanges & Fittings
May/June 2018 Inspectioneering JournalBy Ralph E. King P.E. at Stress Engineering Services Inc., John Norris, P.E. at Stress Engineering Services, Dr. Kannan Subramanian, Ph. D., P.E. at Stress Engineering Services Inc., and Daniel Ayewah, P.E. at Stress Engineering Services Inc.There is concern in the industry over recent findings of reduced toughness fittings and flanges at risk of brittle fracture. This article provides an overview; possible contributors; measures taken to address; and a proposed FFS approach to address...
-
May/June 2018 Inspectioneering JournalBy Samer E. Ibrahim at woodHTHA of hydrogen-containing equipment can be prevented with appropriate material selection and fabrication, appropriate welding procedures, regular inspection of equipment using proven, effective technologies and equipment operated by qualified...
-
March/April 2018 Inspectioneering JournalBy Rami Mattar at Amerapex CorporationThis article features a case study on the feasibility of a wall-sticking drone for effectively conducting ultrasonic testing and other NDT methods on equipment at elevated heights.
-
March/April 2018 Inspectioneering JournalBy Ibrahim Kodssi at Independent Consultant, and Houssam Sabry at ADNOC LNGImplementing RBI for process piping can be a very tedious and lengthy exercise, especially for major process plants with thousands of feet of interconnected piping. This article shares the experience of ADNOC LNG following a structured RBI approach...
-
Establishing the Right Mindset as Industry Seeks Improved Performance - An Important Challenge as We Move into 2018
January/February 2018 Inspectioneering JournalBy Greg Alvarado at Inspectioneering JournalMost of us that work integrity and reliability understand what we do and how we do it. But how many of us understand WHY we do things? Understanding the motives behind our activities, initiatives and programs can help to galvanize and lay a...
-
January/February 2018 Inspectioneering JournalBy Phillip E. Prueter at The Equity Engineering Group, Inc.Given the concern throughout industry regarding the potential for brittle fracture failures, PWHT guidance to address potential issues arising from the recent changes in PWHT code requirements for carbon steel is examined in this article, and...
-
November/December 2017 Inspectioneering JournalBy Elizabeth Allen at DNV GL, and Michelle Havlock at DNV GLThis article explains the Statistically Active Corrosion Assessment, which is a tool for determining appropriate and realistic corrosion growth rates which can assist pipeline operators in optimizing the value of in-line inspection data.
-
November/December 2017 Inspectioneering JournalBy Geoff Clarkson at UTComp, Inc.This article, part two in a series, provides a case study of an inspection and evaluation of a Fiberglass Reinforced Polymer (FRP) column using nondestructive ultrasound readings on the outer surface of the FRP.
-
November/December 2017 Inspectioneering JournalBy James R. Widrig at Quest IntegrityIn-service equipment failures present a considerable challenge to reliability engineers. This article presents a case study of a convection tube failure in a furnace and the analyses that were performed to understand the root cause and determine the...
-
September/October 2017 Inspectioneering JournalBy Daniel Cypriano at Petrobras, and Henrique Ventura at PetrobrasAlthough value-drivers often differ between facilities, all can agree that effective asset management strategies should lead to better decision making. In this case study, the authors detail how process-based risk management strategies can make for...
-
July/August 2017 Inspectioneering JournalBy Michael Turnquist at Quest Integrity GroupThis article outlines the engineering and assessment methodologies applied during the analysis of a failure of a 15-foot diameter reactor tank supported by four legs.
-
May/June 2017 Inspectioneering JournalBy Hossam Aboegla at Lloyd's Register EnergyAsset integrity and life cycle management are unique but intertwined concepts. The dynamic process between these principles has a significant impact on the lifecycle of individual assets and, therefore, the integrity of an entire plant.
