Permeability Calculation of Sand Conglomerate Reservoirs Based on Nuclear Magnetic Resonance (NMR)

Table 1

Parameters of the IFU models of some typical samples.

Sample ID		Number of fractal units ()	Number of pores generated ()	Iteration times ()	Ratio factor ()	Maximum pore diameter (μm) ()	Number of units excluded from iteration ()	Tortuosity ()	Fractal dimension ()
B64-3	Unit A		1	3	2	3.4	0	1.3336	2.5850
	Unit B		2	2	3	0.85	0	1.6128	2.7712
	Unit C		6	2	3	0.295	0	1.0684	2
	Unit D		2	2	2	0.12	0	1.1693	2
B64-38	Unit A		1	2	2	3.3	0	1.5321	2.5850
	Unit B		2	2	3	1.7	0	1.6128	2.7712
	Unit C		5	2	3	0.57	0	1.1287	2.2619
	Unit D		1	2	3	0.22	0	2.2626	2.8928
M101-2-2	Unit A		1	2	2	2.1	0	1.5321	2.5850
	Unit B		2	3	3	1.1	0	1.3932	2.7712
	Unit C		5	3	3	0.13	0	1.0532	2.2619
	Unit D		4	2	3	0.015	0	1.2190	2.4650
M5-6	Unit A		1	2	2	1	0	1.5321	2.5850
	Unit B		2	3	3	0.5	0	1.3932	2.7712
	Unit C		2	2	3	0.056	0	1.6128	2.7712
	Unit D	0	0	0	0	0	0	—	—