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1. Acid gas corrosion in oil production, transport and refining
Effluents from oil fields are made up of crude oil and/or natural gas (methane), but also water and acid gases (CO 2 and H 2 S): carbon dioxide is an acid gas present in all oil fields in varying quantities, while dihydrogen sulfide is only found in certain fields which, because of this presence, are called "acid fields".
In the presence of liquid water, the dissolution of CO 2 and H 2 S generates various corrosion phenomena on steels. Oil drilling and production equipment are primarily affected by this corrosion, but so are units processing these acid gases. Some refining units are also affected. Other agents can also increase the corrosiveness of oil production and refining waters,...
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Acid gas corrosion in oil production, transport and refining
Corrosion in acid gas treatment units
Bibliography
Standards and norms
- NORSOK CO2 corrosion rate calculation model - M506 Rev2 - 2005
- NACE ISO Petroleum and natural gas industries : materials for use in H2S containing environments in oil and gas production. Part. 1, General principles for selection of cracking-resistant material - NACE MR0175/ISO 15156-1 - 2003
- NACE ISO Petroleum and natural gas industries : materials for use in H2S containing environments in oil and gas production....
Directory
Organizations – Federations – Associations (non-exhaustive list)
Center Français de l'Anticorrosion (Cefracor) Oil & Gas Industries Commission http://www.cefracor.org
European Corrosion Federation (EFC) Working Parts 13 and 15 http://www.efcweb.org
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