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THE INFLUENCE OF PORE GEOMETRY ON FLOW INSTABILITY AND PORE-SCALE DISPLACEMENT MECHANISMS OF DILUTE SURFACTANT FLOODING IN MIXED-WET POROUS MEDIA

Volume 14, Numéro 2, 2011, pp. 91-105
DOI: 10.1615/JPorMedia.v14.i2.10
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RÉSUMÉ

In this study, the influence of pore throat size on microscopic physical displacement mechanisms and the pore-scale flow instability of low interfacial tension two-phase flow in dilute surfactant flooding have been examined in a micromodel, which enabled us to visually investigate the microscale physicochemical interactions. The results indicated that the occurrence of the dispersivity in the flow pattern becomes severe after surfactant solution breakthrough. By decreasing the pore throat size (i.e., increasing the value of the capillary number), the macroscopic flow pattern developed in a less dispersed fashion and the instability of the flow pattern decreased, whereby the localized oil entrainment and bypassing are relatively reduced. The dominant microscopic mechanisms visualized in the model with the largest pore throat size were pore-to-pore hopping and pore-to-pore transfer. In the model with relatively intermediate pore throat size, continuous configuration of the surfactant solution was maintained over many pore throats and bodies, which allowed it to be transported over many pores resulting in the spotted configuration of the surfactant solution (due to oil entrainment and surfactant partitioning). Pore-scale discontinuous flow of surfactant solution was the major mechanism in the model with the smallest pore throat size. For the employed range of pore throat size, ultimate oil recovery and capillary number increased by decreasing the pore throat size.

CITÉ PAR
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  2. Yadali Jamaloei Benyamin, Kharrat Riyaz, Pore-scale description of surfactant-enhanced waterflooding for heavy oil recovery, Journal of Petroleum Science and Engineering, 92-93, 2012. Crossref

  3. Yadali Jamaloei Benyamin, Asghari Koorosh, Kharrat Riyaz, The investigation of suitability of different capillary number definitions for flow behavior characterization of surfactant-based chemical flooding in heavy oil reservoirs, Journal of Petroleum Science and Engineering, 90-91, 2012. Crossref

  4. Yadali Jamaloei Benyamin, Kharrat Riyaz, Asghari Koorosh, The influence of salinity on the viscous instability in viscous-modified low-interfacial tension flow during surfactant–polymer flooding in heavy oil reservoirs, Fuel, 97, 2012. Crossref

  5. Henderson Nélio, Brêttas Juan C., Sacco Wagner F., Applicability of the three-parameter Kozeny–Carman generalized equation to the description of viscous fingering in simulations of waterflood in heterogeneous porous media, Advances in Engineering Software, 85, 2015. Crossref

  6. Yadali Jamaloei Benyamin, Babolmorad Rana, Kharrat Riyaz, Visualization and analysis of viscous fingering in alcohol-assisted surfactant waterflooding of heavy oil in a two-dimensional sandstone micromodel, Fuel, 184, 2016. Crossref

  7. Yadali Jamaloei Benyamin, Asghari Koorosh, Kharrat Riyaz, Pore-scale flow characterization of low-interfacial tension flow through mixed-wet porous media with different pore geometries, Experimental Thermal and Fluid Science, 35, 1, 2011. Crossref

  8. Tsuzuki Reiko, Tanaka Ryohei, Ban Takahiko, Nagatsu Yuichiro, Deviation from capillary number scaling of nonlinear viscous fingering formed by the injection of Newtonian surfactant solution, Physics of Fluids, 31, 4, 2019. Crossref

  9. Yadali Jamaloei Benyamin, Effect of wettability on immiscible viscous fingering: Part I. Mechanisms, Fuel, 304, 2021. Crossref

  10. Jamaloei Benyamin Yadali, Impact of Formation Dilation–Recompaction on Cyclic Steam Stimulation, SPE Reservoir Evaluation & Engineering, 24, 01, 2021. Crossref

  11. Yadali Jamaloei Benyamin , Dong Mingzhe , Mahinpey Nader , Experimental and Numerical Study of Strategies for Improvement of Cyclic Solvent Injection in Thin Heavy-Oil Reservoirs, SPE Reservoir Evaluation & Engineering, 24, 01, 2021. Crossref

  12. Cheraghian Goshtasp, Hemmati Mahmood, Masihi Mohsen, Bazgir Saeed, An experimental investigation of the enhanced oil recovery and improved performance of drilling fluids using titanium dioxide and fumed silica nanoparticles, Journal of Nanostructure in Chemistry, 3, 1, 2013. Crossref

  13. Hoseini-Moghadam Seyed Mohammad Amin, Ghiasimehr Baharan, Torkaman Mohammad, Mirmarghabi Peyman, The role of temperature and porous media morphology on the performance of anionic and cationic surfactants for enhanced heavy oil recovery, Journal of Molecular Liquids, 339, 2021. Crossref

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