Abstract
ABSTRACT The effect of temperature on sweet corrosion in carbon steel pipelines at different liquid velocities under various oil-water concentrations was studied. Carbon steel coupons were used to study the corrosion products formed. With an increase of temperature up to 60 C, corrosion rate increases. Above 60 C, protective carbonate layers were observed. At lower temperature and pressures, the corrosion rates are similar to those predicted by de Waard and Milliams. With an increase in temperature, the corrosion rate increase is more pronounced at higher pressures and is greater than the de Waard and Milliams. No maximum in the corrosion rate is seen for oil water mixtures for temperatures up to 80 C.
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