Exploration and Practice of CO2 Huff-N-Puff Combined CO2 Flooding in Shale Oil Well Cluster GroupHaifeng Wang, Xiaoyan Wang, Pengtao Wang, Yang Zhang, Wei Wang, Xi Yan, Nan Zhang, Jinzhu Li and Dehua YangE3S Web Conf., 358 (2022) 02035DOI: https://doi.org/10.1051/e3sconf/202235802035