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.
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September/October 2020 Inspectioneering JournalBy Luciano Narcisi at Stork AMT, and Robert Westerhuis at Stork AMTImplementing RBI as part of a Mechanical Integrity system at different sites is not a simple copy and paste project. Each case has its own characteristics and challenges. This article describes implementation in two vastly different facilities.
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May/June 2020 Inspectioneering JournalBy Phillip E. Prueter at The Equity Engineering Group, Inc., Brian R. Macejko, P.E. at The Equity Engineering Group, Inc., and Seetha Ramudu Kummari, Ph.D., P.E. at The Equity Engineering Group, Inc.This article provides an overview of brittle fracture, details on several industry failures, and a summary of deficiencies and concerns with current published methods for screening susceptibility of equipment to potential brittle fracture failures.
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March/April 2020 Inspectioneering JournalBy Ana Benz at IRISNDTField hardness tests can provide valuable information when evaluating piping and pressure vessel anomalies. This article summarizes laboratory examinations designed to gain a better understanding of UCI hardness test results taken in the field.
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March/April 2020 Inspectioneering JournalBy Baher Elsheikh at SAFCOThis article presents a comprehensive integrity management program for catalyst tubes, including elements on monitoring, inspection, data analysis, remaining life assessment, and control of human factors.
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March/April 2020 Inspectioneering JournalBy Muhammed Al-Lutfallah at Saudi Aramco, and Tamim O. Felemban at Saudi AramcoThis article reviews the effectiveness of AET for inspecting tank bottoms in two ways; namely, benchmarking regulations in different countries and comparing AET and MFLT results through a case study.
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March/April 2020 Inspectioneering JournalBy Geoff Clarkson at UTComp, Inc.This article describes the construction of corrosion-resistant fiber reinforced polymer (FRP), commonly used for pressure vessels and piping in the chemical processing industry, and the practices used for inspecting corrosion-resistant barriers.
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How Inferior UT Procedures and Practices on Pressure Vessels Cost $1 Million in Turnaround Repairs – Part 2
January/February 2020 Inspectioneering JournalBy Dave Holthaus at Comprehensive Procedure Reviews, LLC (CPR), and Kevin Gaskin at CHS, Inc.This case study discusses costly repairs that were needed on newly fabricated pressure vessels as a result of poor UT practices. The author shines a light on some industry problems that can be fixed with an understanding of what is actually required.
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January/February 2020 Inspectioneering JournalBy Ahmad RK Rana at Integrity Products and Supplies, Inc., and Dr. Zoheir Farhat at Dalhousie UniversityThis article addresses two failure events where inadequate attention to thermal fatigue led to premature equipment failure while specifying guidelines to help prevent such failures that can be a part of a plant's inspection and maintenance programs.
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The Effect of High Pressure High Temperature and Sour Service Environment on Subsea Dissimilar Joints
January/February 2020 Inspectioneering JournalBy Samer E. Ibrahim at Robert Gordon UniversityThe author will discuss the failure of a dissimilar joint while examining the root causes of the failure along with potential solutions and preventive actions that would not compromise the welding production rate.
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November/December 2019 Inspectioneering JournalBy Dave Holthaus at Comprehensive Procedure Reviews, LLC (CPR), and Kevin Gaskin at CHS, Inc.This article helps shine light on some common industry problems that can occur by having inferior UT procedures and practices, while providing several lessons learned through a case study that resulted in nearly $1 million in turnaround repairs.
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November/December 2019 Inspectioneering JournalBy Dr. Timothy Black at Quasset, Maurice Fransen at Shell Global Solutions International BV, and Sieger Terpstra at Shell Global Solutions International BVThis article examines multiple trials that entailed testing robotic systems on different non-magnetic surfaces to identify the feasibility of detecting CUI using robotics in combination with NDE technology.
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September/October 2019 Inspectioneering JournalBy Tim Haugen at Quest IntegrityThis article presents two cases studies demonstrating how properly conducting baseline fired heater tube inspection aids in early discovery and correction of defects, avoiding unexpected in-service failures, and more.
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September/October 2019 Inspectioneering JournalBy Ricardo Gonzalez at Total Refining and PetrochemicalsThe author discusses a method being used in most of their refineries and petrochemical facilities that allows them to optimize the scope of NDT during turnarounds, while improving the reliability of bundles.
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July/August 2019 Inspectioneering JournalBy Robert Sladek at Asset Optimization Consultants, Inc.This case study is intended to demonstrate how a Qualitative Risk Assessment can be a cost-effective and resource-efficient means to prioritize equipment which is often “under the radar”.
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July/August 2019 Inspectioneering JournalBy Richard B. Eckert at DNV GL, and Dr. Susmitha Purnima Kotu at DNV GLA significant number of pipeline failures due to external or internal corrosion have resulted from MIC, some with catastrophic consequences. This article demonstrates a three-step failure analysis process used to investigate the failure mechanism.
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