The Evolutionary Characteristics of Reservoir Microstructure under Long-Term Waterflooding Development and Its Fractal Description

Table 1

The fractal dimension analysis results of different water cut stages of core B.

Scope	Water cut	Slope	Intercept		(MPa)
Larger pores	0	0.5786	0.8422	2.437	0.036264	0.9919
	0.75	0.6258	0.9183	2.3892	0.035141	0.9966
	0.85	0.6597	0.9808	2.357	0.033487	0.9982
	0.95	0.7393	1.1480	2.206	0.030154	0.9955
Smaller pores	0	0.1990	0.5192	2.801	0.001712	0.9988
	0.75	0.1728	0.5545	2.827	0.000942	0.9972
	0.85	0.1534	0.5908	2.844	0.000742	0.9980
	0.95	0.1229	0.6202	2.878	0.000044	0.9968