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. |