Simulation of two-phase flow by injecting water and surfactant into porous media containing oil and investigation of trapped oil areas

Sajadi, S. M ; Sharif University of Technology | 2021

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  1. Type of Document: Article
  2. DOI: 10.1007/s13202-020-01084-z
  3. Publisher: Springer Science and Business Media B.V , 2021
  4. Abstract:
  5. Nowadays, as the oil reservoirs reaching their half-life, using enhanced oil recovery methods is more necessary and more common. Simulations are the synthetic process of real systems. In this study, simulation of water and surfactant injection into a porous media containing oil (two-phase) was performed using the computational fluid dynamics method on the image of a real micro-model. Also, the selected anionic surfactant is sodium dodecyl sulfate, which is more effective in sand reservoirs. The effect of using surfactant depends on its concentration. This dependence on concentration in using injection compounds is referred to as critical micelle concentration (CMC). In this study, an injection concentration (inlet boundary) of 1000 ppm was considered as a concentration less than the CMC point (2365 ppm). This range of surfactant concentrations after 4.5 ms increased the porous media recovery factor by 2.21%. Surfactant injection results showed the wettability alteration and IFT finally increases the recovery factor in comparison with water injection. Also, in wide channels, saturation front, and narrow channels, the concentration front has a great effect on the main flowing. © 2021, The Author(s)
  6. Keywords:
  7. Computational fluid dynamics ; Critical micelle concentration ; Enhanced recovery ; Micelles ; Petroleum reservoir engineering ; Petroleum reservoirs ; Porous materials ; Sodium dodecyl sulfate ; Sulfur compounds ; Computational fluid dynamics methods ; Critical micelle concentration (cmc) ; Enhanced oil recovery ; Recovery factors ; Sand reservoirs ; Surfactant concentrations ; Synthetic process ; Wettability alteration ; Two phase flow
  8. Source: Journal of Petroleum Exploration and Production ; Volume 11, Issue 3 , 2021 , Pages 1353-1362 ; 21900558 (ISSN)
  9. URL: https://link.springer.com/article/10.1007/s13202-020-01084-z