Quantitative Evaluation for the Threat Degree of a Thermal Reservoir to Deep Coal Mining

Table 11

Evaluation index value of the threat degree of the thermal storage aquifer.

Borehole number	Index factor
	Qs1	0.8224	1470.12	0.7551	42.09	1.9383	1.3966	56.18	-39.73
Qs2	1.0064	1561.16	0.7551	42.26	0.0416	1.2005	58.68	-235.14
Qs3	0.9559	1468.39	1.1755	62.57	0.2300	1.2092	56.13	-87.75
Qs4	1.0053	1691.00	1.1755	38.65	0.0399	1.1338	62.25	-263.67
Qs5	1.5949	1334.97	0.9007	47.72	3.1990	1.7212	52.46	15.20
Qs6	1.8727	1325.76	0.9007	32.11	0.0506	1.1038	52.21	-32.37
Qs7	0.8099	1526.42	0.9007	48.42	0.0890	1.1792	57.73	-193.92
Qs8	1.7077	1264.02	1.1755	59.43	2.9629	1.5949	50.51	21.58
Qs9	0.7841	1352.94	1.4963	42.60	1.8820	1.2690	52.96	-69.22
Qs10	1.5810	1204.30	1.4963	27.51	0.7990	1.3986	48.87	-62.10
Qs11	1.7095	1364.02	1.4963	51.37	0.2496	1.0834	53.26	-73.09
Qs12	0.1789	1521.00	1.4963	11.66	0.9416	1.1601	57.58	-146.91
Qs13	0.3719	1493.27	1.4963	20.14	0.1394	1.1403	56.81	-212.14
Sx1	0.2864	1261.70	1.5975	17.85	2.1440	1.4327	47.59	3.81
Sx2	0.9584	1393.03	1.5838	39.16	1.6810	1.4085	50.90	-143.21
Sx3	0.6118	1450.83	1.5838	30.39	0.0402	1.3850	52.36	-156.05
Tk1	0.4415	1570.14	1.0247	29.82	0.1799	1.1173	64.51	-187.55
Tk2	0.4131	1376.04	1.0247	14.46	0.0402	1.1390	58.47	-70.98
Tk3	0.5381	1565.08	1.3262	24.13	0.0460	1.0905	64.35	-204.17
Tk4	1.1794	1357.85	1.3262	29.80	2.9678	1.7301	57.91	103.46
Tk5	0.8309	1388.23	1.3262	45.42	2.8799	1.5748	58.85	77.64
Zc1	0.4629	1277.50	1.4548	28.88	2.3816	1.8315	47.99	-37.45
Zc2	0.9228	1460.61	1.4548	38.60	2.2623	1.6000	52.60	-175.14
Zc3	0.2077	1221.04	1.4966	4.31	0.3990	1.1274	46.57	-94.38
Zc4	1.5399	1339.83	1.4548	40.25	2.0805	1.9157	49.56	-35.52
Zc5	1.4500	1202.78	1.4966	37.84	0.1294	1.1806	46.11	81.17
Zc6	2.2950	1318.17	1.4966	50.32	0.1218	1.2579	49.01	-33.32
Zc7	0.4280	1270.66	1.4548	39.88	2.6783	1.6026	47.82	23.15
Mean value	0.9631	1393.9593	1.2972	35.6300	1.1641	1.3566	53.94	-79.56
Standard deviation	0.5547	123.3001	0.2623	13.7339	1.1509	0.2446	5.17	98.33