Recognition and Prevention of Bed Separation Water: Based on Trapezoid Platform Model

Table 1

Judgment results of the development position of the separation space.

Stratum	Lithology	(KN∙m^-3)	(GPa)	(m)	(MPa)	Are there separated strata below this layer?
						Equation (2) left	Equation (2) right
19	Sandy mudstone	24.5	5.49	14.15	0.46
						N
18	Siltstone	25.4	3.32	1.52	0.83	732430.0429	936377.5484
						N
17	Fine sandstone	26.2	16.55	2.27	2.83	4732.424296	970478.9473
						N
16	Sandy mudstone	23.50	5.23	3.03	0.48	47542.8526	995973.2413
						N
15	Siltstone	25.40	3.32	3.47	0.83	24756.77187	927546.0072
						N
14	Medium-grained sandstone	26.50	11.38	14.91	1.49	15795.03335	958095.7396
						Y
13	Gritstone	28.40	7.87	2.58	0.98	2310660.863	2123305.968
						N
12	Mudstone	23.80	1.54	2.51	0.32	44008.37238	2271704.583
						N
11	Sandy mudstone	25.50	5.58	3.34	0.53	7571.007959	19009172.85
						N
10	Siltstone	25.40	3.32	1.16	0.83	43481.21046	1954054.743
						N
9	Sandy mudstone	22.70	5.79	2.57	0.48	2988.90415	2025704.718
						N
8	Fine sandstone	26.20	16.55	0.97	2.83	22337.4331	1951607.183
						N
7	Sandy mudstone	24.50	3.58	3.02	0.49	9042.13227	2134414.478
						N
6	Medium-grained sandstone	26.50	11.38	19.12	1.49	16543.62489	1948821.267
						Y
5	Sandy mudstone	23.95	5.45	11.53	0.41	4724814.07	1896664.291
						N
4	Medium-grained sandstone	26.50	11.38	3.12	1.23	610243.8963	1551480.317
						N
3	Sandy mudstone	25.12	5.18	19.11	1.48	85358.80561	1668972.69
						N
2	Fine sandstone	26.20	16.55	11.54	2.83	594033.2438	623134.0871
						Y
1	Sandy mudstone	24.50	5.38	11.85	0.45	639873.3909	234551.7178
0	7^# coal seam	21.31	1.31	5.75	0.28