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

Figure 3

Heterogeneous characteristics of microscopic pore structure of fine sandstone facies reservoir before and after water flooding in well 16-1.

(a) Before water flooding, P35, 2046 m

(b) 2.5PV, P35, 2046 m

(c) 60PV, P35, 2046 m