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51318-10823-Effect of different parameters on the inhibition efficacy of decanethiol

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The overall objective of the present research is to investigate the effect of operating parameters on the inhibition efficacy of decanethiol in top of the line corrosion (TLC).

Product Number: 51318-10823-SG
Author: Z. Belarbi / F. Farelas / D. Young / M. Singer / S. Nesic
Publication Date: 2018
Industry: Oil and Gas Production
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The overall objective of the present research is to investigate the effect of operating parameters on the inhibition efficacy of decanethiol in top of the line corrosion (TLC). The effect of water condensation rates, monoethylene glycol (MEG), H2S and hydrocarbon on inhibitor efficacy was evaluated. It was found that the presence of MEG, variation of gas temperatures and water condensation rates did not affect the inhibition efficacy of decanethiol. In sour environments, decanethiol was able to reduce localized corrosion of carbon steel and change the morphology of corrosion products on samples exposed to 30 ppm H2S. In the presence of condensable hydrocarbon (heptane), decanethiol lost its inhibition efficacy and showed very poor persistency. This was due to its low solubility in water.

Keywords: CO2/H2S corrosion, top-of-the-line corrosion, inhibition, decanethiol

The overall objective of the present research is to investigate the effect of operating parameters on the inhibition efficacy of decanethiol in top of the line corrosion (TLC). The effect of water condensation rates, monoethylene glycol (MEG), H2S and hydrocarbon on inhibitor efficacy was evaluated. It was found that the presence of MEG, variation of gas temperatures and water condensation rates did not affect the inhibition efficacy of decanethiol. In sour environments, decanethiol was able to reduce localized corrosion of carbon steel and change the morphology of corrosion products on samples exposed to 30 ppm H2S. In the presence of condensable hydrocarbon (heptane), decanethiol lost its inhibition efficacy and showed very poor persistency. This was due to its low solubility in water.

Keywords: CO2/H2S corrosion, top-of-the-line corrosion, inhibition, decanethiol

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