Modeling non-Darcy flows in realistic pore-scale proppant geometries Public Deposited

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  • The ability to evaluate the effective permeability of proppant packs is useful in predicting the efficiency of hydraulic fracture installations. In this paper we propose a computational approach combining microimaging data from X-ray computed microtomography, the simulations of flow at pore-scale, and an upscaling process which identifies the effective model parameters at the core-scale. With this computational approach applied to proppant pack we confirm the reduction in the fracture conductivity and subsequent reduction in the productivity of a hydraulically fractured reservoir due to the high flow rates and to the migration of fine particles resulting in pore throat bridging.
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  • Trykozko, A., Peszynska, M., & Dohnalik, M. (2016). Modeling non-Darcy flows in realistic pore-scale proppant geometries. Computers and Geotechnics, 71, 352-360. doi:10.1016/j.compgeo.2015.08.011
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  • A. Trykozko has received funding from the Polish–Norwegian Research Programme operated by the National Centre for Research and Development under the Norwegian Financial Mechanism 2009–2014 in the frame of Project Contract No Pol-Nor/209820/14/2013. Her research was in part supported by PL-Grid infrastructure and the computing grant G35-12 of Interdisciplinary Centre for Mathematical and Computational Modeling, University of Warsaw. M. Peszynska was partially supported by the grant NSF–DMS 1115827 “Hybrid modeling in porous media”.
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