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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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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July/August 2019 Inspectioneering JournalBy Rashed Alhajri at Saudi Aramco, Hatim Alhamdan at Saudi Aramco, and Fahad Alhindas at Saudi AramcoGasification technology has emerged in oil and gas due to the high combustion energy of Syngas and less environmental concerns than flue gas. This article discusses proper inspection and corrosion monitoring techniques for gasification units.
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Partner Content
LOTIS utilizes laser profilometry to conduct internal steam reformer tube inspections. The data captured by LOTIS is exceptionally powerful when combined with our LifeQuest™ remaining life assessment capabilities, providing an integrated solution set for the process and syngas industries.
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July/August 2019 Inspectioneering JournalBy Jeannie Lewis at The Equity Engineering GroupThis article provides a case study showing the real costs and effects of having a dated engineering standards program, as well as the financial benefits through increased reliability of having a thriving engineering standards program.
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July/August 2019 Inspectioneering JournalBy Geoff Clarkson at UTComp, Inc.This article is written to provide a brief case study of an acoustic emission test of an FRP storage tank. A method combining acoustic emission with ultrasonics is proposed to ensure reliable long term operation.
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July/August 2019 Inspectioneering JournalBy Ana Benz at IRISNDTTanks are ubiquitous and essential in industrial societies. When they fail, the consequences can be dire if products/volumes they store are explosive and/or toxic.
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May/June 2019 Inspectioneering JournalBy Vibha Zaman, P.E. at Asset Optimization Consultants, and Leomar Penuela at Asset Optimization ConsultantsA well-implemented and managed reliability program incorporating RBI, DMR, and IOWs can identify potential damage mechanisms, optimize maintenance and inspection activities, reduce risks, and improve the governance in managing Ethane Crackers.
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January/February 2019 Inspectioneering JournalBy Qasem Fandem at Saudi AramcoWelding imperfections vary in impact from being acceptable to requiring repair. It is important to ensure the quality of welds using NDT and to ensure the strength of the entire piping system with hydrotesting.
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November/December 2018 Inspectioneering JournalBy Greg Alvarado at Inspectioneering JournalThis article shares examples of where RBI work processes either broke down or were non-existent, or where the user did not fully understand the technology or overall RBI logic and the results.
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November/December 2018 Inspectioneering JournalBy Efrain Rios at Fortress Oil & Gas, LLCThis article describes how an international oil and gas company built an inspection data management program for its U.S. operations yielding improved confidence in decision-making information, cost savings through increased efficiency, and an overall improvement in the asset integrity program’s performance.
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July/August 2018 Inspectioneering JournalBy Philip Buchan at CyberhawkThe benefits and advantages of drone inspection over other methods have made this technology a viable solution in industry. As utilization of drone technology continues to grow and expand, it’s important to not only understand what they can do but also, their limitations.
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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 in FRP for FRP vessels.
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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 addition to sulfur, which is the focus of this article.
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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 fitness for continued service.
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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 the issue.
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