Evaluating the maximum rate of penetration for drilling borehole in soft coal seam

by Shuo Yang, Guangcai Wen, Fazhi Yan, Mingjie Zhang, Xusheng Zhao
Published 2020-09-01

A Gas–Solid–Liquid Coupling Model of Coal Seams and the Optimization of Gas Drainage Boreholes

by Yuexia Chen, Jiang Xu, Shoujian Peng, Fazhi Yan, Chaojun Fan
Published 2018-03-01

Different adsorbed gas effects on the reservoir parameters and production in coalbed methane extraction by multibranch horizontal wells

by Qixian Li, Jiang Xu, Shoujian Peng, Fazhi Yan, Chaolin Zhang, Ende Han
Published 2020-04-01

Effect of high-voltage thermal breakdown on pore characteristics of coal

by Chuanjie Zhu, Ximiao Lu, Zishan Gao, Fazhi Yan, Chang Guo, Xiangliang Zhang
Published 2017-11-01

Variation in the Pore Structure of Coal after Hydraulic Slotting and Gas Drainage

by Quanle Zou, Baiquan Lin, Jinyan Liang, Ting Liu, Yan Zhou, Fazhi Yan, Chuanjie Zhu
Published 2014-08-01