Microbiologically influenced corrosion of common alloys used for subsea applications
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This project has investigated the susceptibility of offshore construction steels to microbiologically influenced corrosion in seawater, elucidating the effects of temperature, oxygen pressure, exposure time and alloy material composition on biological activity and the corrosion resistance of the selected materials in seawater. Results from this research form the foundations of essential guidelines for design criteria, risk assessment and asset integrity management based on materials selection and preservation treatments in the application to subsea equipment.
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Sheng, Q.; Silveira, K.; Tian, W.; Fong, C.; Maeda, N.; Gubner, Rolf; Wood, C. (2017)Corrosion and unwanted gas hydrate formation in subsea flowlines are two of the major issues that the global gas industry faces when transporting natural gas. Gas hydrates can cause severe blockages due to the formation ...
Effect of Tungsten on the Pitting and Crevice Corrosion Resistance of Type 25Cr Super Duplex Stainless SteelsIannuzzi, Mariano; Haugan, E.; Næss, M.; Torres Rodriguez, C.; Johnsen, R. (2016)The oil and gas industry regularly uses Type 25Cr super duplex stainless steels (SDSS) for components exposed to seawater and hydrocarbon environments in topside facilities, downhole, and subsea equipment. Much debate ...
Machuca, Laura; Murray, L.; Gubner, Rolf; Bailey, Stuart (2014)The potential effects of seawater ingress into 316L lined pipes during subsea tie-in operations on corrosion performance were investigated. Immersion and accelerated corrosion tests were conducted on 316L in different ...