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11357 Erosion-Corrosion Analysis and Prediction Methods in Gas Plant Facilities

Picture for 11357 Erosion-Corrosion Analysis and Prediction Methods in Gas Plant Facilities
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Product Number: 51300-11357-SG
ISBN: 2011 11357 CP
Author: Juan Rossi, Cecilia Albertini, Adolfo Pellicano, Luis Munoz, Sergio Fernandez
Publication Date: 2011
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Both localized corrosion and erosion-corrosion mechanisms are significant hazards to pressure vessels and pipeline systems involved in gas production and treatment operations. Process conditions tend to promote aggressive corrosion on the most common alloys used in these systems, including carbon steels, low alloy steels and stainless steels. In recent years, the author´s organization has initiated a systematic process involving the use of engineering prediction models for production, gas treatment and compression equipment in erosive and corrosive service. This initiative was complementary to a long term strategy called the CMAS (Corrosion Management Assurance System). Based on continuous monitoring, inspection and mitigation programs, CMAS is specifically directed towards detection, quantification and control of active damage mechanisms.

This paper describes the development and results of the CMAS program in the following areas:
  • Process simulation of gas treatment and compression equipment, including both thermodynamic and multiphase flow analysis.
  • Empirical corrosion, erosion and corrosion-erosion rate estimates.
  • Application of customized models to materials selection, remaining life prediction and risk assessment techniques, which constitute the nuclei of the CMAS process.

Key words: Gas – Treatment – Facilities – Corrosion – Erosion – Integrity
Both localized corrosion and erosion-corrosion mechanisms are significant hazards to pressure vessels and pipeline systems involved in gas production and treatment operations. Process conditions tend to promote aggressive corrosion on the most common alloys used in these systems, including carbon steels, low alloy steels and stainless steels. In recent years, the author´s organization has initiated a systematic process involving the use of engineering prediction models for production, gas treatment and compression equipment in erosive and corrosive service. This initiative was complementary to a long term strategy called the CMAS (Corrosion Management Assurance System). Based on continuous monitoring, inspection and mitigation programs, CMAS is specifically directed towards detection, quantification and control of active damage mechanisms.

This paper describes the development and results of the CMAS program in the following areas:
  • Process simulation of gas treatment and compression equipment, including both thermodynamic and multiphase flow analysis.
  • Empirical corrosion, erosion and corrosion-erosion rate estimates.
  • Application of customized models to materials selection, remaining life prediction and risk assessment techniques, which constitute the nuclei of the CMAS process.

Key words: Gas – Treatment – Facilities – Corrosion – Erosion – Integrity
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