Study on the Coupling Law between Pore-Scale Fluid Flow Capacity and Pore-Throat Configuration in Tight Sandstone Reservoirs

Figure 5

Interstitial materials in the research areas. Ka: kaolinite; Il: illite; Ch: chlorite; Ne: ne; Ca: carbonate; Fe: ferrocalcite; Do: dolomite; An: ankerite; Sp: specity; Si: silica; Fed: ferrodolomite; Py: pyrite; Ot: others.