Assessment of xanthan gum and xanthan-g-silica derivatives as chemical flooding agents and rock wettability modifiersAhmed Ashraf Soliman, Abdelaziz Nasr El-hoshoudy and Attia Mahmoud AttiaOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 75 (2020) 12DOI: https://doi.org/10.2516/ogst/2020004