The performance requirements, corresponding indexes and laboratory evaluation methods of corrosion inhibitors have a direct impact on the selection of corrosion inhibitors. The performance requirements of corrosion inhibitor for natural gas gathering and transportation pipelines can be summarized into two aspects: corrosion inhibition and usability performance. Corrosion inhibition includes inhibition performance in aqueous phase and in TOL. Usability include compatibility, stability, pouring point, emulsifying tendency, etc. Based on the some different types of gas fields requirements, the performance requirements and corresponding indexes of corrosion inhibitors for wet gas gathering and transportation pipeline are analyzed, and the corresponding performance indicators of corrosion inhibitors for different types of gas fields are proposed. Finally, the commonly applied laboratory evaluation methods in current active standards have been analyzed and summarized, and verified.

Subject
Field performance, Test methods, Petroleum products, Inhibitor performance, Emulsions, Pipelines, Condensates, Refineries, Natural gas, Liquids, Transportation, Corrosion inhibitors, Oil
Keywords:
corrosion inhibitor, usability performance, environmental performance
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2022
Association for Materials Protection and Performance (AMPP)
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