Numerical Simulation of Time-Varying Characteristics in a High-Permeability Sandstone Reservoir: A Case of Gaoqian Southern Area

Figure 2

The change of clay mineral content and morphology under different water flooding PV.

(a) Montmorillonite in fine sandstone facies (2.5PV)

(b) Montmorillonite in fine sandstone facies (60PV)

(c) Kaolinite in fine sandstone facies (2.5PV)

(d) Kaolinite in fine sandstone facies (60PV)

(e) Montmorillonite in middle sandstone facies (2.5PV)

(f) Montmorillonite in middle sandstone facies (60PV)

(g) Kaolinite in middle sandstone facies (2.5PV)

(h) Kaolinite in middle sandstone facies (60PV)