Logging isochronous stratigraphic division of shale based on characteristics of graptolite zones and its significance: a case study of Wufeng Formation-Longmaxi Formation in Sichuan Basin and its periphery
Nie Haikuan, Li Donghui, Jiang Tao, Yan Caina, Du Wei, Zhang Guangrong
Acta Petrolei Sinica . 2020, (3): 273 -283 .  DOI: 10.7623/syxb202003002