Table 2 Comparison between the measured and estimated Kv values for the selected data points.

From: Application of electrical resistivity tomography (ERT) for rock mass quality evaluation

ERT data (selected)

Well data

% Matching

ERT point

Resistivity (Ωm) (selected value)

Estimated Kv′

Depth (m)

Well name

Measured Kv

Kv vs Kv′

New1-41

1008

0.57

25

W1

0.56

98

New1-118

8000

0.95

31

W2

0.97

97

New1-212

505

0.38

10

W3

0.39

97

New2-13

18

0.04

5

W4

0.02

50