With the wide application of water injection operation,microbiologically influenced corrosion(MIC)has become the main cause of corrosion failure of pipelines and equipment in oil and gas industry,and the development of MIC-resistant special tubes is an effective measure to deal with this kind of failure problem.In this paper,from the role of corrosive microorganisms and biofilms,the nature and evo-lution of biofilms closely related to MIC are reviewed,the research progress of MIC-resistant special steels such as Cu-containing low alloy steels and Cu-containing stainless steels are systematically analyzed,and the role of alloying elements and microstructures in the improve-ment of MIC resistance is discussed.Finally,the development direction of MIC-resistant special steels is envisioned to provide reference for promoting the development and application of MIC-resistant special tubes for oil and gas industry.
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