Research for reducing the Minimum Miscible Pressure of crude oil and carbon dioxide by injecting citric acid isobutyl esterGuangjuan Fan, Yuejun Zhao, Yilin Li, Xiaodan Zhang and Hao ChenOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 76 (2021) 30DOI: https://doi.org/10.2516/ogst/2021007