Fine Depicting of Seepage Barrier for Gas Flooding in the Lower Wuerhe Formation Reservoir of the 8^th District in China

Table 3

Composition of clay minerals in intercalated cores.

Total clay mineral (%)	Clay mineral content (%)
	Monazite (S)		Illite-smectite (I/S)		Illite (I)		Chlorite (C)
	Relative	Absolute	Relative	Absolute	Relative	Absolute	Relative	Absolute
22.2	58.0	12.9			42	9.3
22.1	63.0	13.9			37	8.2
18.3			51	9.3	38	7.0	21	3.8
9.1			23	2.1	9	0.8	68	6.2
30.8			45	13.9	24	7.4	31	9.5
23.6			42	9.9	28	6.6	30	7.1
21.0	60.5	13.4	40.3	8.8	29.7	6.5	37.5	6.7