Abstract
Corrosion resistance (RP) of X65 steel was investigated in an oil-in-water emulsion containing H2S and CO2 at several oil concentrations and different flow regions using a novel emulsion flow loop. One working electrode was mounted in the flow developing region while the other one was mounted in a region where the flow is fully developed. The experimental results show that the addition of CO2 to an H2S containing emulsion decreases the corrosion rate. The RP in the flow developing region is less than that in the fully developed region and it increases with increasing oil concentration. This flow loop is a promising tool for investigating the RP of engineering materials in a simulated environment similar to that encountered in the petroleum industry.
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