Research on Directional Long Horizontal Drilling Hydraulic Fracturing Technology in Disaster Key Stratum of Working Faces. - Du, Shang; Zhao, Zhipeng; Li, Derong; Xu, Haidong; Shen, Chenjie; Liu, Xuesheng; Yu, Tianwu; Wang, Chao; Biswas, Arnab (Advances in Civil Engineering, 2026)