Study on Pore Structure of Shale Reservoir by Low Temperature Nitrogen Adsorption Method

Table 1

Fundamental analysis data of shale samples.

Sample no.	TOC (%)	Quantitative analysis of whole rock (%)							Clay minerals
		Quartz	Potassium feldspar	Plagioclase	Calcite	Dolomite	Pyrite	Siderite
L-2	1.66	34	5	39	0	2	0	0	20
L-3	2.67	30	7	15	3	10	0	5	30
L-5	4.49	37	6	25	0	0	0	3	29
L-6	3.19	39	7	24	2	0	0	0	28
L-21	0.68	32	4	15	1	0	0	7	41
L-24	6.60	21	2	11	29	5	0	9	23
L-27	5.26	23	7	26	0	0	1	4	39
L-29	5.65	29	6	11		4			50
L-35	6.53	24	2	22	0	13	0	0	39