Study on H-shaped fracture propagation and optimization in shallow dull-type coal seams in the Hancheng block, China

Autor: Haifeng Zhao, Xuejiao Li, Huaibin Zhen, Xiaohua Wang, Shuai Li
Rok vydání: 2023
Zdroj: Geoenergy Science and Engineering. 221:111226
ISSN: 2949-8910
DOI: 10.1016/j.petrol.2022.111226
Databáze: OpenAIRE