Journal of Applied Sciences1812-56541812-5662Asian Network for Scientific Information10.3923/jas.2011.1821.18262S/CO2 Corrosion]]>AsmaraY. P.IsmailM. C.1020111110In oil and gas production environment, CO2, H2S and Acetic Acid (HAc) have become a main source that affect corrosion to the carbon steel and cause failures on the facilities. In order to minimize the failures, there must be a tool to predict those failures. This research proposed a prediction model incorporated with H2S and HAc in CO2 environments using a set of experiments. The experiments were conducted in the 3% NaCl solution saturated with 300 ppm of H2S in CO2 gas. LPR and EIS methodology were used to study corrosion mechanism and to calculate carbon steel corrosion rate. The results revealed that effects of H2S and HAc in CO2 environment have contributed in increasing corrosion rate. Those effects were caused by additional of cathodic activation reactions in the system as described by scan polarization. Analyzing through EIS showed that combined effect of CO2 and H2S promote to form film formation indicated by Warburg diffusion spectra. Although interaction of CO2 and H2S gas has a capability to produce film formation, the film can not inhibit corrosion reaction that may relate to the presence of HAc in the solution.]]>Joosten, J.K.M.W. and J.W. Hembree,2002pp: 2294pp: 2294Amri, J., E. Gulbrandsen and Nogueira,20082 corrosion of carbon steel.]]>10200203Nordsveen, M., S.N. Nyborg and R.A. Stangeland,2003591414Gray, L.G.S., B.G.A., M.J. Danysh and P.R. Tremaine,1990Parakala, S.R.,20052005Nesic, S., Thevenot, J.L. Crolet and D. Drazic,19962-Basics Revisited.]]>pp: 6pp: 6Brown, B.N.,20042Smultiphase flow loop: CO2 corrosion in the presence of trace amounts of hydrogen sulfide.]]>2004Anderko, A. and D.Y. Robert,19992/H2S Corrosion Using Thermodynamic and Electrochemical Models.]]>pp: 31pp: 31Veloz, M.A. and I. Gonzalez,20022S.]]>48135144Ismail, M.C.,20052 corrosion with the presence of acetic acid.]]>2005George, K.S. and S.Nesic,2007Nafday, O.,20042 corroson in the presence of acetic acid.]]>2004Crolet, J.L.,19992 Corrosion of Steels.]]>Garsany, Y., D. Pletcher and B. Hedges,20022.]]>538-539285297ASTM G 5-94,20042004Bai, Z.Q., C.F. Chen, M.X. Lu and J.B. Li,20062 corrosion of well tube steels with corrosion scales.]]>25275787584Zhang, G.A. and Y.F. Cheng,20092-containing formation water in the presence of acetic acid in petroleum production.]]>518794Kvarekval, J.,19992S on CO2 Corrosion of Iron and Carbon Steel.]]>