Micropore Characteristics and Geological Significance of Shale Reservoirs: Case Study of Fuling Shale Gas in Sichuan Basin, China

Figure 2

Microscopic pore characteristics. (a) Distribution characteristics of the intergranular pores. (b) Characteristics of the lattice quartz particles and intermolecular pores of the clay minerals. (c) Characteristics of intergranular pores, interlaminar pores. (d) Deformational characteristics of the clay mineral lamellar crystals and interlaminar pores. (e) Two ends of the interlaminar pores (slits) were connected to the interparticle pores. (f) Diagram of the layered structure of illite. Note: white areas shown in the TEM images are the pores.

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