Oil and Gas Center

Optimization of Blasting‑Induced Roof Cutting Parameters in Key Stratum and Its Application in Gob‑Side Entry Retention Technology

ABSTRACT In the field of mining, conventional methods that rely on protective coal pillars result in significant wastage of coal resources. To achieve the dual objectives of resource recovery and roadway stability control, this study utilizes theoretical analysis, numerical simul...

Effect ofFracture Aperture and Water Saturation onthe In Situ Conversion of Tar-Rich Coal

Abstract With abundant coal resources globally, in situ conversion technology, an emerging unconventional energy development method, is a crucial pathway for achieving efficient and clean utilization of tar-rich coal. However, its application is challenged by the heterogeneity of...