Critical Length and Collapse of Interlayer in Rock Salt Natural Gas Storage

Table 1

Values of each parameter.

Number	Factor (unit)	Value
1	H (m)	1000	1250	1500	1750	2000
2	d (m)	20	30	40	50	60
3	H (m)	40	60	80	100	120
4	Η (m)	0.250	0.375	0.500	0.625	0.750
5	t (m)	1.5	2.5	3.5	4.5	5.5
6	E (GPa)	6.0	7.5	9.0	10.5	12.0
	E′ (GPa)	6.0	7.5	9.0	10.5	12.0
	Es (GPa)	4.0	5.0	6.0	7.0	8.0
7	E (GPa)	3.750	5.625	7.500	9.375	11.250
	E′ (GPa)	3.750	5.625	7.500	9.375	11.250
	Es (GPa)	5.000	5.000	5.000	5.000	5.000
8	E (GPa)	7.5	7.5	7.5	7.5	7.5
	E′ (GPa)	7.5	6.0	4.5	3.0	1.5
	Es (GPa)	5.0	5.0	5.0	5.0	5.0