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Author

Kai-Zhi Li

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2026

Research on Combined Perforation and Blasting Technology for Increasing Permeability in Low-Permeability Hard Coal Seams

To address the low efficiency and uncontrollable fracture expansion in gas extraction from low-permeability hard coal seams, a synergistic permeability enhancement technology integrating loose blasting and hydraulic perforation (LBHP) is proposed. Combined with theoretical analysis, ANSYS/COMSOL numerical simulatio...

Liguo Wang, Jing-Tao Wu, Xiang-Jun Chen et al. · 0 citations

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