Reservoir Characteristics and Gas Content of Black Shale of Wufeng-Longmaxi Formation in Qianjiang Area, Southeast Chongqing, China

Table 2

Pore structure parameter statistics of black shale in Wufeng-Longmaxi Formation of well ZY1 in southeast Chongqing.

Sample	Depth	TOC; (%)	BJH pore volume (cm^3/g)				BET average pore diameter (nm)	BET specific surface area (m^2/g)
			Micropore	Mesopore	Macropore	Total pore volume
YDN-1	2624.84 m	2.28	0.003707	0.007056	0.001202	0.011965	3.71	16.9
YDN-2	2622.49 m	4.33	0.00438	0.008471	0.001151	0.014002	3.6	20.3
YDN-3	2620.01 m	4.3	0.004839	0.008581	0.001073	0.014493	3.26	24.8
YDN-4	2618.10 m	5.91	0.006199	0.009723	0.001255	0.017177	2.97	35.1
YDN-5	2616.33 m	3.89	0.003598	0.007935	0.001299	0.012832	3.86	17.1
YDN-6	2613.00 m	2.74	0.003355	0.006578	0.000972	0.010905	3.51	17
YDN-7	2599.09 m	1.85	0.002681	0.006179	0.001037	0.009897	4.12	12.1