Characteristics of carbon isotope while drilling and exploration significance of shale gas in Niutitang and Doushantuo formations in Well Eyangye-2, Yichang, Hubei, China
Zhang Jiazheng, Zhu Di, Ci Xinghua, Niu Qiang, Zhang Huanxu, Tang Yongchun, Kang Shujuan, He Kun
Acta Petrolei Sinica . 2019, (11): 1346 -1357 .  DOI: 10.7623/syxb201911005