Abstract
Challenges due to erosion-corrosion in oil and gas production are briefly reviewed. In accordance with theories of non-equilibrium thermodynamics, mechanical metallurgy and electrochemistry, the theoretical models were built to assess the synergistic effect in slurry erosion process. The new models have been validated by experiments to evaluate the hardness degradation induced by corrosion and the consequently accelerated erosion. The experimental investigations demonstrated that the corrosion-induced surface hardness degradation is governed by a mechanism of the corrosion-enhanced erosion of steels. The corrosion-induced erosion is also observable in flowing electrolyte free of solid particles. Based on the understanding of erosion-corrosion mechanisms, the methods to evaluate the erosion-corrosion resistance of materials and the approaches to mitigate the damage caused by erosion-corrosion are recommended.
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© 2014 TMS (The Minerals, Metals & Materials Society)
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Lu, B., Xia, D., Luo, J. (2014). Mechanism of Corrosion-Enhanced Erosion of Steels in Oil and Gas Production. In: TMS 2014: 143rd Annual Meeting & Exhibition. Springer, Cham. https://doi.org/10.1007/978-3-319-48237-8_94
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DOI: https://doi.org/10.1007/978-3-319-48237-8_94
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-48593-5
Online ISBN: 978-3-319-48237-8
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