Geological Feasibility of Underground Oil Storage in Jintan Salt Mine of China

Table 1

Stratum information of Jintan salt mine.

Stratum				M1#
System	Group	Part	Symbol	Depth; (m)	Apparent thickness; (m)	Lithotype
Quaternary	Dongtai	—	Qd	17.0	17.0	Sandy clay, mudstone, glutenite
Paleogene	Sanduo	2nd	Es^2	371.5	354.5	Top: conglomeratic sandstone, brown silty mudstone
						Middle: powder sandstone, silty sandstone, mudstone
						Bottom: mudstone, sandy mudstone
		1st	Es^1	566.5	195.0	Top: basalt, metamorphic silty tuff
						Middle: gray silty mudstone
						Bottom: mudstone, gray mudstone
	Dainan	2nd	Ed^2	757.0	190.5	Silty powder sandstone, mudstone, conglomeratic mudstone
		1st	Ed^1	832.5	75.5	Gray mudstone, sandy mudstone, mudstone, dolomitic mudstone
	Funing	4th	Ef^4	860.0	27.5	Top: gypsum mudstone, dolomitic mudstone, mudstone
				1055.0	195.0	Middle: argillaceous rock salt, nitrate salt rock, thenardite salt rock, nitrate mudstone, salt mudstone, mudstone
				1110.0	55.0	Bottom: mudstone