AUTHOR=Wan Yong Ping , Wang Zhen Chuan , Hu Deng Ping , Wang Ye , Huo Meng Xia , Mu Xiao Yan , Han Shuang Biao TITLE=Gas-bearing evaluation of deep coal rock in Yan'an gas field of Ordos Basin JOURNAL=Frontiers in Earth Science VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2024.1438834 DOI=10.3389/feart.2024.1438834 ISSN=2296-6463