Table 3. Relationship of Shale Lithofacies with Different Pore Structure Parameters.

	pore structure parameters			mineral composition of the Es3x shale (wt %)
lithofacies	BET surface area (m2/g)	pore volume (cm3/g)	BET avg. pore dia. (nm)	quartz	carbonate minerals	clay	pyrite	TOC (%)
LF1	0.7993	0.0056	28.3662	12.2	59.6	17	11.2	6.56
LF2	0.76794	0.0065	29.0723	11.9	55.6	27.86	4.28	3.70
LF3	0.8328	0.0058	27.9229	13	38.2	43	5.8	3.07
LF4	0.5173	0.0045	34.8007	9.6	65.3	22.05	2.975	5
LF5	0.7311	0.0059	30.5762	9	69.9	18.15	2.6	1.54
LF6	0.6511	0.0054	33.5969	7.7	90.8	0	1.5	1.28