Decarbonizing SAGD in heterogeneous ultra-heavy-oil reservoirs: barrier-bypassing well patterns and geomechanical dilation cut steam demand and CO2 emissions. - Sun, Xinge; Luo, Chihui; Shi, Lanxiang; Zhang, Shengfei; Huang, Jingyu; Xu, Bin (Journal of Petroleum Exploration & Production Technology, 2026)