Scientific Reports

Table 3 The results of pore volume and pore specific surface area for Benxi coal.

From: Coal-forming sedimentary model and its control on vertical reservoir heterogeneity of the upper carboniferous Benxi formation in Ordos basin, China

Samples	Depth (m)	V_T/cm³/g	Average pore size (nm)	Stage pore volume/(cm³/g)			Stage pore volume/%			S_T/(cm²/g)	Stage pore specific surface area/(cm²/g)			Stage pore specific surface area/%			CO₂ Adsorbed volume/(cm³/g)	N₂ Adsorbed volume/(cm³/g)	Cumulative mercury intake/(cm³/g)	Porosity/%
Samples	Depth (m)	V_T/cm³/g	Average pore size (nm)	V₁	V₂	V₃	V₁	V₂	V₃	S_T/(cm²/g)	S₁	S₂	S₃	S₁	S₂	S₃	CO₂ Adsorbed volume/(cm³/g)	N₂ Adsorbed volume/(cm³/g)	Cumulative mercury intake/(cm³/g)	Porosity/%
Q36-1	2803.10	0.0069	0.0140	0.0042	0.0021	0.0007	60.13	30.35	9.52	23.55	22.02	0.54	0.99	93.49	2.30	4.21	2.98	0.11	0.01	3.44
Q36-2	2803.50	0.0380	0.0208	0.0334	0.0006	0.0040	87.85	1.52	10.63	138.34	135.16	0.14	3.04	97.70	0.10	2.20	18.90	0.06	0.02	4.89
Q36-3	2804.60	0.0352	0.0234	0.0275	0.0007	0.0070	78.05	2.10	19.85	132.93	128.36	0.21	4.37	96.56	0.16	3.29	18.14	0.07	0.03	6.42
Q36-4	2805.34	0.0403	0.0242	0.0311	0.0003	0.0089	77.27	0.68	22.06	147.27	143.46	0.07	3.73	97.41	0.05	2.54	19.63	0.94	0.03	6.37
Q36-5	2806.78	0.0473	0.0499	0.0273	0.0006	0.0194	57.77	1.24	40.99	144.64	135.59	0.16	8.89	93.74	0.11	6.15	19.18	0.10	0.05	9.12
Q36-6	2807.62	0.0483	0.2284	0.0306	0.0006	0.0170	63.43	1.29	35.28	152.36	144.63	0.17	7.56	94.93	0.11	4.96	20.20	0.34	0.04	7.93
Q36-7	2808.57	0.0370	0.0248	0.0294	0.0007	0.0069	79.64	1.82	18.54	141.16	137.61	0.17	3.38	97.49	0.12	2.40	19.63	1.19	0.03	5.14
Q36-8	2810.09	0.0422	0.0215	0.0282	0.0006	0.0135	66.64	1.36	32.00	132.52	129.38	0.13	3.01	97.63	0.10	2.27	18.11	1.52	0.03	5.47
Q36-9	2811.59	0.0308	0.0262	0.0247	0.0006	0.0055	80.15	1.97	17.87	116.80	114.30	0.14	2.36	97.86	0.12	2.02	16.02	0.17	0.02	4.83
Q36-10	2811.87	0.0406	0.0395	0.0303	0.0003	0.0100	74.63	0.86	24.51	148.16	143.87	0.06	4.24	97.10	0.04	2.86	19.78	0.60	0.04	7.77
Q36-11	2812.60	0.0287	0.0222	0.0218	0.0010	0.0059	75.99	3.33	20.68	104.59	101.27	0.31	3.01	96.83	0.29	2.88	14.05	0.08	0.03	6.23
Q36-12	2812.90	0.0289	0.0406	0.0208	0.0005	0.0076	72.20	1.64	26.16	96.13	92.56	0.11	3.45	96.29	0.12	3.59	13.17	1.86	0.04	7.42

Note: V₁,Micropore; V₂,Mesopore; V₃,Macropore; S₁, Micropore specific surface area; S₂,Mesopore specific surface area; S_3,Macroporous specific surface area.

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