Full-Scale Pore and Microfracture Characterization of Deep Coal Reservoirs: A Case Study of the Benxi Formation Coal in the Daning–Jixian Block, China

Table 3

Full-aperture pore structure characteristics of the coal samples.

Sample ID	PV (cm^3/g)					SSA (m^2/g)
	Micropores	Mesopores	Macropores	Fractures	Total	Micropores	Mesopores	Macropores	Fractures	Total
DJ57-1	0.056	0.006	0.001	0.012	0.075	190.4	2.86	0.028	0.0004	193.3
DJ57-2	0.042	0.003	0.001	0.011	0.057	143.7	1.33	0.018	0.0009	145.0
DJ57-3	0.061	0.004	0.002	0.003	0.070	207.4	1.89	0.010	0.0002	209.3

Notes: PV = pore volume; SSA = specific surface area.