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Cite this document
Published literature, service experience, and experimental data for galvanic corrosion in oil and gas production are reviewed and discussed. Data are presented in forms that can be used as aids for formal specifications, design criteria, and inspection requirements to help prevent galvanic corrosion failures: Emphasis is placed on downhole and wellhead applications, and oil and gas production equipment for carbon dioxide (sweet) and hydrogen sulfide (sour) environments. Particular attention is given to the effects of galvanic coupling on the noble metal and resulting failures. Galvanic corrosion in seawater environments is briefly reviewed as it pertains to seawater handling, offshore platforms, and subsea completions.
galvanic corrosion, carbon dioxide, hydrogen sulfide, crude oil, gas, seawater, hydrogen stress cracking, steels (carbon and alloy), stainless steels, nickel alloys
Manager of corrosion engineering, Occidental International Exploration and Production Company, Bakersfield, CA