Evolution of Dynamic Elastic Parameters and Dry-Out-Induced Weakening Mechanisms in Reservoir and Caprock During Underground Gas Storage: Joint Ultrasonic and NMR Monitoring. - Wang, Yan; Zhai, Zhen; Gan, Quan; Huang, Saipeng; Li, Limin; Zeng, Juan; Wen, Tingjun; Jia, Sida (Applied Sciences (2076-3417), 2026)