New gas drainage technology boosts efficiency and safety in coal mining.
The gas drainage technology with large horizontal boreholes used in Qianqiu Coal Mine's mining face showed high efficiency and stable results compared to other methods.
New study reveals optimal gas drilling parameters for improved coal mine safety.
Revolutionary Gas Pre-Drainage Technology Boosts Safety in Outburst Mines.
Revolutionary Large Boreholes Improve Coal Mine Gas Drainage Efficiency Dramatically