Variations on Reservoir Parameters of Oil Shale Deposits under Periodic Freeze-Thaw Cycles: Laboratory Tests

Table 3

Mass changes of oil shale samples before and after periodic freeze-thaw cycles.

Freeze-thaw cycle times (time)	Sample no.	Mass before freeze-thaw cycles (g)	Mass after freeze-thaw cycles (g)	Rate of mass change (%)	Average rate of mass change (%)
0	OS-2-1	139.5024	—	—	—
	OS-2-2	147.6156	—	—
	OS-2-3	138.8170	—	—
2	OS-3-1	138.2813	141.5362	2.35	2.22
	OS-3-2	134.1621	136.6143	1.83
	OS-3-3	145.2909	148.9062	2.49
4	OS-4-1	137.6229	141.5727	2.87	2.75
	OS-4-2	139.3990	143.5113	2.95
	OS-4-3	145.2748	148.8195	2.44
8	OS-5-1	138.0036	142.5931	3.33	3.20
	OS-5-2	146.2784	151.6432	3.67
	OS-5-3	135.9549	139.5099	2.61
16	OS-6-1	138.2125	143.9026	4.12	4.20
	OS-6-2	139.4651	145.5730	4.38
	OS-6-3	142.9672	148.8533	4.12
24	OS-7-1	134.2431	139.8679	4.19	4.26
	OS-7-2	147.3052	153.5951	4.27
	OS-7-3	141.9107	148.0412	4.32
48	OS-8-1	138.8485	141.8060	2.13	2.27
	OS-8-2	135.6381	139.3410	2.73
	OS-8-3	140.9224	143.6704	1.95