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

Table 4

Critical length of each interlayer under different conditions.

Number	H (m)	γb (N/m^3)	M	t (m)	E′/E	E/Es	a1 (m)	a2 (m)	a3 (m)	a4 (m)
A1	950	9800	1.29	3.8	1.0	1.2	54.61	33.36	25.49	14.06
A2	965	10780	1.27	2.2	0.9	1.2	31.61	22.17	19.44	12.82
B	970	10780	1.27	4.0	1.0	1.2	55.60	70.00	110.00	74.00
C1	1020	9800	1.51	1.4	1.0	1.2	17.94	15.78	17.31	5.68
C2	1030	10780	1.32	2.8	0.9	1.2	38.20	26.56	23.07	14.10
C3	1050	11760	1.43	2.0	1.0	1.2	25.00	41.60	86.20	44.90