Technology of across-goaf drainage of coalbed methane from a lower coal seam group and its primary application: Taking Sihe mine field as an example

Authors

LI Junjun, State Key Laboratory of Coal and Coalbed Methane Co-Mining, Jincheng 048012, China; Yi'an Lanyan Coal and Coalbed Methane Co-Mining Technology Co. Ltd., Taiyuan 030031, China
LI Guofu, State Key Laboratory of Coal and Coalbed Methane Co-Mining, Jincheng 048012, China; Yi'an Lanyan Coal and Coalbed Methane Co-Mining Technology Co. Ltd., Taiyuan 030031, China
HAO Haijin, State Key Laboratory of Coal and Coalbed Methane Co-Mining, Jincheng 048012, China; Yi'an Lanyan Coal and Coalbed Methane Co-Mining Technology Co. Ltd., Taiyuan 030031, China
HAO Chunsheng, State Key Laboratory of Coal and Coalbed Methane Co-Mining, Jincheng 048012, China; Shanxi Lanyan Coalbed Methane Group Co. Ltd., Jincheng 048204, China
WANG Zheng, State Key Laboratory of Coal and Coalbed Methane Co-Mining, Jincheng 048012, China; Yi'an Lanyan Coal and Coalbed Methane Co-Mining Technology Co. Ltd., Taiyuan 030031, China

Abstract

Technology of across-goaf drainage of coalbed methane from a lower coal seam group and its primary application: Taking Sihe mine field as an example

Keywords

across goaf, coalbed methane extraction, nitrogen replacement casing drilling, lower coal seam group, layered fracturing, refined drainage

DOI

10.3969/j.issn.1001-1986.2021.04.012

Recommended Citation

LI Junjun, LI Guofu, HAO Haijin, et al. (2021) "Technology of across-goaf drainage of coalbed methane from a lower coal seam group and its primary application: Taking Sihe mine field as an example," Coal Geology & Exploration: Vol. 49: Iss. 4, Article 13.
DOI: 10.3969/j.issn.1001-1986.2021.04.012
Available at: https://cge.researchcommons.org/journal/vol49/iss4/13

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