Micropore Characteristics and Geological Significance of Shale Reservoirs: Case Study of Fuling Shale Gas in Sichuan Basin, China

Table 2

Peak aperture and micropore volume ratio measured by different methods.

Sample	Adsorption-mercury injection method		Nuclear magnetic resonance method
	Peak pore diameter (nm)	Micropore volume ratio (%)	Peak pore diameter (nm)	Micropore volume ratio (%)
1	4.9	12.62	5.6	18.89
2	4.7	12.93	3.2	25.39
3	3.1	13.31	2.4	29.97
4	3.7	14.12	1.5	32.38
5	2.7	14.23	1.1	37.34