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08470 Top of the Line Corrosion in H2S/CO2 Environment

Picture for 08470 Top of the Line Corrosion in H2S/CO2 Environment
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Product Number: 51300-08470-SG
ISBN: 08470 2008 CP
Author: Alvaro Camacho, Marc Singer, Bruce N. Brown, and Srdjan Nesic
Publication Date: 2008
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The objective of this research is to experimentally investigate the influence of H2S on CO2 on top of the line corrosion (TLC). Experiments were conducted in large scale multiphase flow loops at 3 bars absolute pressure and a fixed temperature of 70°C. Test duration ranged from 2 to 21 days. The tests were conducted on carbon steel coupons (API X-65), using deionized (DI) water as the electrolyte. It was found that the partial pressure of CO2 and the partial pressure of H2S have a strong effect on the general corrosion behavior at the top of the line. Moreover, the presence of trace amounts of H2S seems to halt the tendency towards corrosion that is often observed under sweet conditions.
The objective of this research is to experimentally investigate the influence of H2S on CO2 on top of the line corrosion (TLC). Experiments were conducted in large scale multiphase flow loops at 3 bars absolute pressure and a fixed temperature of 70°C. Test duration ranged from 2 to 21 days. The tests were conducted on carbon steel coupons (API X-65), using deionized (DI) water as the electrolyte. It was found that the partial pressure of CO2 and the partial pressure of H2S have a strong effect on the general corrosion behavior at the top of the line. Moreover, the presence of trace amounts of H2S seems to halt the tendency towards corrosion that is often observed under sweet conditions.
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