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

Table 3

Result of CEC and Qv.

Sample number	CEC (mmol/100 g)	Por (%)	Grain density (g/cm^3)	Qv (meq/mL)
T2	3	0.23	2.65	0.27
T3	7.3	0.18	2.68	0.9
T5	5.1	0.17	2.71	0.66
T6	2.2	0.07	2.71	0.79
T10	1.4	0.05	2.65	0.7
T11	1.8	0.08	2.64	0.58
T15	3.1	0.13	2.64	0.54
T17	3.8	0.09	2.68	0.98
T18	2.1	0.15	2.68	0.31
T20	2.9	0.14	2.7	0.49