Research on the permeability enhancement mechanism and technical parameter optimization of hydraulic punching in a single low-permeability thick coal seam

Research on the permeability enhancement mechanism and technical parameter optimization of hydraulic punching in a single low-permeability thick coal seam Journal of Mining and Safety Engineering . 2025, (6): 1504 -1518 . DOI: 10.13545/j.cnki.jmse.2024.0372