Identification of Hydraulic Connection Points between Different Confined Aquifers in the Liyazhuang Coal Mine

Table 2

The initial data and calculation results of the Fengfeng Formation.

Drill number	The original water level value (m)	The calculated water level value (m)
Lk2	456.20	453.45
Lk4	445.71	449.00
Lk5	441.65	441.63
Lk6	447.20	451.49
Lk8	448.63	448.62
Lk11	446.73	447.43
Lk12	443.97	451.29
The average water level value	447.155	448.989

The value of hydraulic conductivity in the and -direction is 0.315 m²/s and 0.315 m²/s. Variance: 3.5928. Error: 0.00409.