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CORROSION is the premier research journal featuring peer-reviewed technical articles from the world’s top researchers and provides a permanent record of progress in the science and technology of corrosion prevention and control. 70+ years and over 7,100 peer-reviewed articles with advances in corrosion science and engineering have been published in CORROSION.
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Case study: A Steam Assisted Gravity Drainage facility in northern Alberta, Canada is examined as it experienced two very similar failures in heat exchanger tubes within 2 years of each other due to a boiler feedwater tank without a nitrogen blanket and a low flow condition.
Oil field operating company’s (1) flowline network in North and West Kuwait (NWK) has over 3000 wells connected through 6” carbon steel pipelines flowing from wellhead to the nearest Gathering Center (GC). Untreated wet crude is transported through the flowlines to GC’s directly or passing through the Remote Headers and Manifold (RHM) to GCs. In RHM, mixing of the wet crude takes place before it is sent to GC’s via transfer lines for further separation. The flowlines are laid aboveground except at road crossings where they are buried.
A 22-year-old liquid line experienced an unexpected failure due to internal corrosion after adding the production from one well. Investigation included ILI records, operating pressures and temperatures, oil pressure / volume / temperature (PVT) data, possible flow regimes, failure analysis reports, and mitigation practices.
Microbiologically influenced corrosion (MIC) is one of the most aggressive forms of corrosion leading to infrastructure and equipment damage in various industries, including but not limited to the oil and gas industry,1 water systems,2 medical devices,3 marine environments,4 nuclear waste storage facilities,5 and aviation fuel systems6 and storage.7 MIC received great attention because of the increasing cost associated with corrosion damage, particularly in oil and gas industry. The overall cost of corrosion has been estimated to be approximately 3.4% in the global Gross National Product8 which equates to approximately $2.9 trillion in 2018.9 A conservative estimate shows that 20% of all corrosion in aqueous system is MIC,10 which accounts to billions of dollars in the US.
Microbiologically Influenced Corrosion (MIC) is a major concern in process industries, particularly in the Oil and Gas sector. It is estimated that 25-30% of corrosion related failures in pipelines and industrial equipment can be attributed to MIC. The cost of metallic corrosion has been estimated to range between 2-3% of the gross domestic product (GDP) in developed countries and MIC certainly accounts for a significant fraction of the total cost of corrosion amounting to billions of dollars due to unexpected shutdowns, equipment replacement, mitigation strategies, etc.