A Simplified Model Applied to the Barite Sag and Fluid Flow in Drilling Muds: Simulation and Experimental ResultsJosé Messias Ribeiro, Felipe Moreira Eler, André Leibson Martins, Cláudia Miriam Scheid, Luís Américo Calçada et Luiz Augusto da Cruz MeleiroOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 72 4 (2017) 23DOI: https://doi.org/10.2516/ogst/2017016