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Oil sands production has unique challenges in terms of materials selection and long-term performance. This paper provides a general overview of various oil sands recovery and upgrading processes, and outlines areas where polymers and composites could be effectively utilized. Case studies.
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Organic coating systems for protection against internal corrosion of pipelines are important to maintain integrity of oil and gas infrastructure. The present investigation focuses on evaluation of protective properties of a set of multiphase coating systems in the environment encountered inside of off-shore natural gas pipelines.
Hydrogen Induced Cracking (HIC) can be a major issue for line pipe exposed to sour environments. In this study, influence of the test solutions on HIC evaluation was investigated from the view point of corrosion. Electrochemical measurements were employed to compare corrosion behavior of line pipe steels between the 0.93N acetate buffer solution and the conventional 0.05N acetate solution.
We describe the advancement of an activity-based quantitative polymerase chain reaction (qPCR) assay which can distinguish live from dead corrosion influencing microorganisms in oil and gas pipeline environments. We discuss the limitations and possible future optimization methods for Propidium monazide-qPCR techniques in the industry.
In this work 57 anodized aluminum bath systems were evaluated, based on different organic acid mixtures (oxalic/O and citric/C), inorganic (sulfuric/S, phosphoric/P and boric/B) and additives with natural substances (Dividivi/A Tannin/B, Aloe Vera/C, Neem/D and Mango leaves/E).
Advances in precision, fully-digital ultrasonic wall-thickness measurement systems with cellular data back-haul enable accurate, deployable, and cost-effective corrosion monitoring systems. Comparisons are presented. This paper includes design principles of this next-generation platform, end-user input, and recent installation and operational experiences.
A laboratory study was performed by exposing seven candidate heat exchanger alloys to simulated 2 (sCO2) Brayton power cycles. The alloys, consisting of fineirtriaitilcly s 3te.6e%ls ,O austenitic stainless steels, and nickel-base alloys, were exposed to impure CO2 containing 2 and 5.3% H2O at a constant pressure of 200 bar.
Several hundred wireless wall-thickness monitoring sensors were installed in crude and vacuum distillation units. This enables capability to determine the corrosion risk associated with different crudes long before any undesirable consequences of corrosion events occur.
Acceptable “industry standard” for dissolving a silicate deposit is hydrofluoric acid. Here, we introduce a safer, more environmentallyfriendly el method for dissolving silicate scales and present a case study for its application in industry.
Replacement of bones by implants require a second surgery to remove the implant after tissues have healed. Toward finding an implant that (instead) degrades in the physiological environment, we investigate the corrosion behavior of pure Magnesium in saline solution containing Fenton reagents.
Orthopedic joint replacements, implants, and bone plates are generic, mass-produced components, which may not always be compatible. This paper investigates the optimum properties for two additive manufacturing processes, selective laser melting (SLM) and electron beam melting (EBM), for implant surgeries.
Magnesium (Mg) for biodegradable medical implant devices are limited by fast degradation rates of Mg. The study presents alloy design and thermomechancial processing to optimize mechanical and biological properties of a new proprietary Mg alloy. Corrosion profiles were evaluated by in vitro and in vivo studies.