• JS Pau JS Pau Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak Darul Ridzuan, Malaysia
  • WKS Pao WKS Pao Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak Darul Ridzuan, Malaysia
  • SP Yong SP Yong Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak Darul Ridzuan, Malaysia
  • PQ Memon PQ Memon Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak Darul Ridzuan, Malaysia


Relative permeability, CO2/brine system, Brook-Corey model, Van Genuchten model, simplified relative permeability (SM) model


Carbon dioxide capture and storage (CCS) is one of the promising technology that reduces the release of anthropogenic CO2 into the atmosphere. Saline aquifer has the largest storage capacity globally and it becomes the subject of interest in this study. For better prediction of CO2 flow, the description of relative permeability relies on empirical data but there is a lack of data for CO2/brine system. The most widely used empirical equation is the Brook-Corey and Van Genuchten models. The sophisticated nature of the mathematical equation leads to long computational time despite the better predictions it provides. This paper proposed a simplified relative permeability model (SM) which is proven to highly reduce the computational time by 8.3 times (comparing with BC model) and 5.4 times (comparing with VG model). SM have an acceptable accuracy for CO2 flow prediction, with about 0.9 of R2 coefficient (comparing with VG model) but 0.05 of R2 coefficient (comparing with BC model) for a two year simulation. The numerical method applied for two phase flow differential equation is the recently developed mixed hybrid finite element method. The simplified model is recommended for prediction of one year injection period in preliminary study.


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How to Cite

JS Pau, J. P., WKS Pao, W. P., SP Yong, S. Y., & PQ Memon, P. M. (2018). EVALUATION OF RELATIVE PERMEABILITY MODELS IN CO2/BRINE SYSTEM USING MIXED AND HYBRID FINITE ELEMENT METHOD. Jurnal Mekanikal, 37(2). Retrieved from https://jurnalmekanikal.utm.my/index.php/jurnalmekanikal/article/view/36




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