%0 Journal Article %T Strength analysis of perforated casing under non-uniform in-situ stress in ultra-deep wells %A Liu, Junlin %A Li, Guoping %A Luo, Jingbing %A Peng, Yuankui %A Xia, Xue %A Wang, Fujun %J Proceedings of SPIE %V 12784 %P 1278403-1278403-8 %@ 0277-786X %D 2023-08-23 %I SPIE %~ DeepDyve