Citation: | LI Changsheng, XU Shuguo, YANG Chuanshu, ZHANG Qiang, ZHANG Cheng, JING Mingmin. Trajectory optimization design model of multi-branch horizontal well of coalbed methane[J]. COAL GEOLOGY & EXPLORATION, 2015, 43(2): 48-52,57. DOI: 10.3969/j.issn.1001-1986.2015.02.010 |