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02291 INHIBITION OF CO2 CORROSION OF CARBON STEEL IN THE PRESENCE OF ACETATE

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Product Number: 51300-02291-SG
ISBN: 02291 2002 CP
Author: Dharma Abayarathna, and Ali Naraghi
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Water produced during the production of oil and gas causes major corrosion problems in oilfield operations. The corrosivity of the produced water increases or decreases depending on the nature of the dissolved substances. Dissolved bicarbonates in produced water are found to decrease corrosion whereas the organic acids and acid gases enhance the corrosion of carbon steel in the oilfields. The mitigation of CO2 corrosion in the presence of acetic acid was investigated in this study. Rotating cylinder electrode tests were conducted to study the inhibition properties of several corrosion inhibitors. Based on the laboratory test results, watersoluble cationic organic corrosion inhibitors found to be very effective in controlling acetate enhanced CO2 corrosion. Key words: corrosion inhibitors, CO2 corrosion, acetate, acetic acid, bicarbonate, organic acid
Water produced during the production of oil and gas causes major corrosion problems in oilfield operations. The corrosivity of the produced water increases or decreases depending on the nature of the dissolved substances. Dissolved bicarbonates in produced water are found to decrease corrosion whereas the organic acids and acid gases enhance the corrosion of carbon steel in the oilfields. The mitigation of CO2 corrosion in the presence of acetic acid was investigated in this study. Rotating cylinder electrode tests were conducted to study the inhibition properties of several corrosion inhibitors. Based on the laboratory test results, watersoluble cationic organic corrosion inhibitors found to be very effective in controlling acetate enhanced CO2 corrosion. Key words: corrosion inhibitors, CO2 corrosion, acetate, acetic acid, bicarbonate, organic acid
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Picture for 02273 THE ROLE OF ACETATE IN CO2...
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02273 THE ROLE OF ACETATE IN CO2 CORROSION OF CARBON STEEL: HAS THE CHEMISTRY BEEN FORGOTTEN?

Product Number: 51300-02273-SG
ISBN: 02273 2002 CP
Author: Yannick Garsany, Derek Pletcher, and Bill Hedges
Publication Date: 2003
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The influence of acetate ion on the rate of corrosion of carbon steel (X65) in 3 % NaCl brine saturated with carbon dioxide has been investigated using voltammetry at a rotating disc electrode. The rate of corrosion can only be understood if it is recognised that the cathodic process in the steel corrosion is affected by acetic acid.
Picture for 05306 The Effect of Acetic Acid and Acetate on CO2
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05306 The Effect of Acetic Acid and Acetate on CO2 Corrosion of Carbon Steel

Product Number: 51300-05306-SG
ISBN: 05306 2005 CP
Author: Xing-Peng Guo, Zhenyu Chen, and Dong Liu, Huazhong University of Science & Technology; Katsuhiko Ban
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Picture for 03324 THE ROLE OF ACETATE IN CO2 CORROSION
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03324 THE ROLE OF ACETATE IN CO2 CORROSION OF CARBON STEEL STUDIES RELATED TO OILFIELD CONDITIONS

Product Number: 51300-03324-SG
ISBN: 03324 2003 CP
Author: Yannick Garsany, Derek Pletcher, Bill Hedges
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