Quantitative Characterization of Pore Space for the Occurrence of Continental Shale Oil in Lithofacies of Different Types: Middle Jurassic Lianggaoshan Formation in Southeastern Sichuan Basin of the Upper Yangtze Area

Figure 2

Column diagram and core photos of the Middle Jurassic Ranggosan Formation stratigraphy in well TY1. (a) Stratigraphic column diagram of the TY1 well; (b) dark gray shale of the upper subsection of the first section of the Ryanggosan Formation in TY1 well, 2579 m; (c) gray-black shale of the lower subsection of the second section of the Ryanggosan Formation in TY1 well, 2542 m; (d) gray fine sandstone of the third section of the Ryanggosan Formation in TY1 well, 2421 m. See Figure 1 for the well locations.

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