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Carbon Dioxide (CO2 ) and Hydrogen Sulfide (H2S) corrosion of carbon and low-alloy steels have been remains a key obstacle to sustaining equipments integrity in hydrocarbon production. This is based on the fact that CO2 and H2S corrosion is by far the most prevalent form of attack encountered in upstream operations. The intent of this presentation is to provide information on the Carbon Dioxide (CO2 ) and Hydrogen Sulfide (H2S) corrosion mechanisms, highlight key parameters affecting theirs occurrence, and draw attention to the forms of mitigation by chemicals, the difficulties and challenges involved on its applications and laboratory qualification.
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