RT Journal T1 Research progress of coal fine formation, migration and control in CBM well A1 WU Haoqiang,PENG Xiaolong,ZHU Suyang,FENG Ning PB Petroleum Reservoir Evaluation and Development FD 2020-08-26 YR 2020 JF Petroleum Reservoir Evaluation and Development JO Petroleum Reservoir Evaluation and Development VO 10 IS 4 SP 70 DO 10.13809/j.cnki.cn32-1825/te.2020.04.011 K1 ;CBM(coalbed methane);coal fine;flowing laws;power-controlling approach;generation and migration LK {http://red.magtech.org.cn/EN/article/article_259.shtml}