Genetic Mechanisms and Identification of Low-Resistivity Pay Zones: A Case Study of Pengyang Area, Ordos Basin, China

Table 1

Porosity, permeability, bound water saturation, and T_2lm from NMR measurements.

Sample Number	Por (%)	Permeability (mD)	Bound water saturation from NMR (%)	T2 logarithmic mean (ms)
T1	20.8	11.63	54.52	2.98
T2	22.7	65.94	51.52	7.79
T3	17.8	2.29	72.30	2.29
T4	17.7	3.47	65.77	2.9
T5	17.2	1.70	84.14	1.29
T6	7.0	0.40	82.81	0.48
T7	11.5	1.28	81.59	1.39
T8	15.9	4.29	55.28	4.36
T9	10.0	0.37	83.12	1.07
T10	5.0	0.12	81.83	1
T11	7.5	0.13	83.70	0.86
T12	18.0	2.25	84.64	1.76
T13	19.2	5.38	75.21	1.3
T14	6.0	0.045	92.74	1.41
T15	13.1	0.84	66.99	1.96
T16	16.7	1.03	76.30	1.53
T17	9.4	0.13	69.71	0.92
T18	15.4	0.74	67.63	1.17
T19	15.7	1.13	56.82	2.84
T20	13.9	0.42	88.15	1.35