Conventional Mercury Penetration and Constant Velocity Mercury Penetration Experiments Are Used to Quantitatively Characterize the Difference in Micropore Structure in Low Permeability Reservoirs and Its Influence on Movable Fluid Saturation

Figure 10

Superposition diagram of pore throat distribution and cumulative mercury saturation curve of C 7 reservoir.

(a) Class III (C 7 reservoir)

(b) Class IV (C 7 reservoir)