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Thiols as Volatile Corrosion Inhibitors for Top of the Line Corrosion

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The effectiveness of hexanethiol, decanethiol and 11-mercaptoundecanoic acid for CO2 corrosion inhibition of carbon steel exposed to top of the line conditions has been investigated. Weight loss measurements were used to measure the corrosion rate.

 

Product Number: 51317--9096-SG
ISBN: 9096 2017 CP
Author: Zineb Belarbi
Publication Date: 2017
Industry: Chemical Inhibitors
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$20.00
$20.00

The effectiveness of hexanethiol, decanethiol and 11-mercaptoundecanoic acid for CO2 corrosion inhibition of carbon steel exposed to top of the line conditions has been investigated. Weight loss measurements were used to measure the corrosion rate in the absence and presence of these volatile inhibitor compounds. Afte the experiments, steel surfaces were characterized by scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS). In addition, surface characterization of adsorbed decanethiol molecules on carbon steel was performed using X-ray photoelectron spectroscopy (XPS). The results suggest the formation of an adsorbed inhibitor film on the steel surface, leading to a decrease in corrosion rate. Persistency experiments were also performed to evaluate the residence time for inhibitors adsorbed on carbon steel. Among the inhibtiors tested, decanethiol showed very good corrosion inhibition properties as well as high persistency.

 

Keywords: CO2 corrosion, top of the line, inhibition, decanethiol, XPS

The effectiveness of hexanethiol, decanethiol and 11-mercaptoundecanoic acid for CO2 corrosion inhibition of carbon steel exposed to top of the line conditions has been investigated. Weight loss measurements were used to measure the corrosion rate in the absence and presence of these volatile inhibitor compounds. Afte the experiments, steel surfaces were characterized by scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS). In addition, surface characterization of adsorbed decanethiol molecules on carbon steel was performed using X-ray photoelectron spectroscopy (XPS). The results suggest the formation of an adsorbed inhibitor film on the steel surface, leading to a decrease in corrosion rate. Persistency experiments were also performed to evaluate the residence time for inhibitors adsorbed on carbon steel. Among the inhibtiors tested, decanethiol showed very good corrosion inhibition properties as well as high persistency.

 

Keywords: CO2 corrosion, top of the line, inhibition, decanethiol, XPS

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Development of an Electrochemical Method to Study Top-Of-The-Line Corrosion

Product Number: 51317--9106-SG
ISBN: 9106 2017 CP
Author: Md Mayeedul Islam
Publication Date: 2017
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A top-of-the-line monitoring cell has been developed, that measures in-situ corrosion rates by electrochemical methods. The data presented in this paper have been conducted over 5 days at variable condensation rates to evaluate the feasibility and accuracy of the methods applied.
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51318-11117-Top-of-Line Corrosion Inhibiton and Proposal of an Inhibition Mechanism

Product Number: 51318-11117-SG
Author: Alyn Jenkins / Ian Gilbert / Aiman Kamaruzaman / Astrid Lone
Publication Date: 2018
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The work carried out to develop test methods suitable for assessing inhibitor performance in controlling TOL corrosion. New corrosion inhibitors have been developed that effectively mitigate TOL corrosion.
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51318-11223-Evaluation of Top-of-Line Corrosion Model for Multiphase Oil and Gas Environments

Product Number: 51318-11223-SG
Author: H. Li / K. M. Yap / S. Srinivasan
Publication Date: 2018
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The model was evaluated and effects of various parameters on corrosion rates are described. Corrosion rates obtained from the model are compared with actual field and lab testing data as a basis to quantify accuracy and efficacy.
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