Internal corrosion of subsea flow-lines and pipelines is one of the major challenges in flow assurance. Although the crude oil itself is not corrosive the presence of water and dissolved gasses such as CO2 and H2S can potentially result in internal corrosion. It is well known that the corrosion occurs if a continuous layer of corrosive water wet the pipe. However, past experiences revealed that the probability of water wetting critically depends on the oil properties. Due to the complex nature of oil-water flows predicting the phase behavior under different conditions is a challenging task. Hence, any progress in developing a reliable method for predicting the onset of water wetting and the characteristics of corrosive water layer can significantly increase the accuracy of corrosion prediction as well as the confidence regarding the integrity of the pipelines. The present study is an attempt toward using computational fluid dynamics for studying the effect of oil properties on the sweet corrosion. To this end, an Eulerian-Eulerian approach along with population balance model is employed. Furthermore, the capability of model in predicting the main features of oil water flow and the effect of different crude oils on water wetting and corrosion rate are investigated.
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ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering
June 19–24, 2016
Busan, South Korea
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4996-5
PROCEEDINGS PAPER
CFD Simulation of the Effect of Different Oils on Water Wetting and Internal Corrosion of Oil Pipelines
Hassan Pouraria,
Hassan Pouraria
Pusan National University, Busan, Korea
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Jung Kwan Seo,
Jung Kwan Seo
Pusan National University, Busan, Korea
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Jeom Kee Paik
Jeom Kee Paik
Pusan National University, Busan, Korea
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Hassan Pouraria
Pusan National University, Busan, Korea
Jung Kwan Seo
Pusan National University, Busan, Korea
Jeom Kee Paik
Pusan National University, Busan, Korea
Paper No:
OMAE2016-54755, V005T04A023; 8 pages
Published Online:
October 18, 2016
Citation
Pouraria, H, Seo, JK, & Paik, JK. "CFD Simulation of the Effect of Different Oils on Water Wetting and Internal Corrosion of Oil Pipelines." Proceedings of the ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. Volume 5: Pipelines, Risers, and Subsea Systems. Busan, South Korea. June 19–24, 2016. V005T04A023. ASME. https://doi.org/10.1115/OMAE2016-54755
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