Multiparameter Logging Evaluation of Chang 7₃ Shale Oil in the Jiyuan Area, Ordos Basin

Table 3

Analysis results of clay minerals.

No.	Well	Depth (m)	X-ray diffraction intensity of clay (counts)					Mineral content (%)
			(N)	(E)	(T)			Illite	Mixed-layer illite/smectite	Kaolinite	Chlorite
1	Y-285	2809.60	504	1138	1368	134	183	66.78	13.5	8.34	11.38
5	Y-285	2814.30	213	300	367	104	94	58.94	13.16	14.65	13.24
11	Y-285	2820.10	424	422	509	198	131	53.31	10.99	21.49	14.22
17	Y-285	2828.20	480	662	802	185	103	59	12.48	18.32	10.2
21	Y-285	2835.60	442	351	469	168	99	45.96	15.45	24.28	14.31
25	Y-285	2845.70	535	544	615	215	109	55.99	7.31	24.36	12.35
29	Y-285	2855.10	585	411	652	176	201	39.44	23.13	17.47	19.95