Prediction of the Gas Injection Effect on the Asphaltene Phase EnvelopePeyman Bahrami, Riyaz Kharrat, Sedigheh Mahdavi and Hamed FirooziniaOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 70 6 (2015) 1075-1086DOI: https://doi.org/10.2516/ogst/2014037