Carbon isotope fractionation mechanism of deep coalbed methane in Yan’an gas field of Ordos Basin and its indication significance
Wan Yongping, Wang Zhenchuan, Qiao Yu, Han Shuangbiao, Ma Dong, Huang Jie, Bian Jiang, Liu Yu, Qiao Liang
Acta Petrolei Sinica . 2026, (4): 791 -813 .  DOI: 10.7623/syxb202604005