Influence of Lithofacies and Diagenetic Evolution on Pore Structure and Fluid Mobility of Tight Sandstone Reservoirs: The Fourth Member of Xujiahe Formation in Tianfu Area, Sichuan Basin, China - Hui Pan; Yuqiang Jiang; Yadong Zhou; Zhanlei Wang; Miao Li; Hao Liu; Tao Wang; Zhilin Zhao (Natural Resources Research, 2026)