Open Access

ARTICLE

Coal Seam Permeability Improvement and CBM Production Enhancement by Enlarged Borehole: Mechanism and Application

Xiyuan Li¹, Peng Chu^2,3,*, Zhuang Lu^2,3, Yuanyuan Liu^2,3, Zibin Zhu^2,3, Jin Gao^2,3, Xiaoxue Liao^2,3, Tao Yang^2,3

1 China Pingmei Shenma Group, State Key Laboratory Coking Coal Exploitat & Comprehens, Pingdingshan, 467000, China
2 Key Laboratory of Coal Methane and Fire Control, Ministry of Education, China University of Mining & Technology, Xuzhou, 221116, China
3 National Engineering Research Center for Coal Gas Control, China University of Mining & Technology, Xuzhou, 221116, China

* Corresponding Author: Peng Chu. Email: