Favorable lithofacies types and genesis of marine-continental transitional black shale: A case study of Permian Shanxi Formation in the eastern margin of Ordos Basin, NW China
WU Jin,WANG Hongyan,SHI Zhensheng,WANG Qi,ZHAO Qun,DONG Dazhong,LI Shuxin,LIU Dexun,SUN Shasha,QIU Zhen
Fig. 5. Shale lithofacies types and reservoir parameters of Shan23 sub-member in the Daning-Jixian section of the Permian Shanxi Formation in the eastern margin of the Ordos Basin. TOC—measured core TOC; ϕC—measured core porosity; ϕL—log interpreted porosity; Sgc—measured core gas content; Sgl—log interpreted gas content.