An experimental investigation on the use of saponin as a non-ionic surfactant for chemical enhanced oil recovery (EOR) in sandstone and carbonate oil reservoirs: IFT, wettability alteration, and oil recovery

• Hossein KhayatiPetroleum University of Technology
• Aghil MoslemizadehAmirkabir University of Technology
• Khalil ShahbaziPetroleum University of Technology
• Mostafa Keshavarz MoravejiAmirkabir University of Technology
• Seyyed Hadi RiaziSahand University of Technology