Microscale Research on Effective Geosequestration of CO₂ in Coal Reservoir: A Natural Analogue Study in Haishiwan Coalfield, China

Table 1

Basic properties of the coal and oil shale samples.

Sample	(%)	Ad (%)	(%)	(%)
Coal	1.84	5.91	28.45	0.96
Oil shale	1.31	5.51	26.38	0.62

Note. means the moisture content (air-dried basis), means the ash content (dried basis), means the volatile matter content (air-dried basis), and means the maximum vitrinite reflectance.