Conductivity prediction of proppant-packs based on particle size distribution under variable stress conditionsTiancheng Liang, Jinwei Zhang, Chuanyou Meng, Nailing Xiu, Bo Cai and Haifeng FuE3S Web Conf., 205 (2020) 03010DOI: https://doi.org/10.1051/e3sconf/202020503010