Analysis of the impacts of relative permeability and mobility ratio on heterogeneity loss error during upscaling of geological modelsAmeneh Darban, Mojtaba Ghaedi and Jafar QajarOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 75 (2020) 53DOI: https://doi.org/10.2516/ogst/2020049