Quantification of Pore Size and Movable Fluid Distribution in Zhangjiatan Shale of the Ordos Basin, China

Table 1

TOC, , and mineral compositions of eight shale core plugs.

Sample	Depth (m)	TOC (%)	(%)	Main mineral composition (%)
				Quartz	Clay minerals	Plagioclase	Potassium feldspar	Mica	Calcite	(Iron) dolomite	Pyrite	Siderite
L237	1176.9	3.96	0.55	24.4	32.7	7.9	14.8	1.3	8.6	5	3.8	1.5
L244	1314	3.72	0.58	40.7	24.6	7.2	18.7	1.4	2.4	2.1	2.9	0
L217	1379.7	5.33	0.74	39	26.2	5.6	24.2	0.9	0	1.6	1.1	1.4
X6009	1410	3.48	0.82	21.8	18.2	14.4	40.5	0.6	1.8	1.7	0	1
Y1011	1747	5.78	0.56	24.2	36.1	9.7	11.5	0	3.1	2.5	9.7	3.2
ZC10-6	2078	5.15	0.89	34.7	35	4.2	15.3	2.1	2.4	2.1	2.5	1.7
D6498	2230.5	1.75	0.99	51.4	18.9	4.1	22.7	1.7	1.2	0	0	0
D48031	2496	6.54	1.05	24.7	31	3.6	10.1	0	1.6	1.5	25.8	1.7