Numerical Studies of Advanced Methane Drainage Employing Underground Long-Reach Directional Drilling by Wiesław Szott, Małgorzata Słota-Valim, Piotr Ruciński, Krzysztof Miłek, Piotr Łętkowski

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Experimental study on effective stress sensitivity of coal permeability based on dynamic drainage process by Kang LI, Xiaoyang ZHANG, Binbin HU, Weijiang KONG, Yunfei DOU, Junjian ZHANG, Dongdong WANG

Subjects: “…coalbed methane drainage…”
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Optimization design of stress relief coalbed methane surface well in a high-gas mine by Junhui Fu, Guangcai Wen, Bichuan Zhang, Haitao Sun, Rifu Li, Jiaqi Liu

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Improvement and application of a novel drainage pump of deep coalbed methane wells in south Yanchuan by WU Zhuangkun, ZHANG Honglu, CHI Yuxuan, YIN Zhonghua, ZHANG Zhuang

Subjects: “…|coalbed methane|drainage gas production|pulverized coal stuck pump|novel drainage pump|pump inspection cycle…”
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