Geoscience Reference
In-Depth Information
Amplitude
Amplitude
Amplitude
10
1
10
1
10
1
Early time
1
1
1
0
0
0
-1
-1
-1
Early time
Target response
Target response
Target response
Amplitude
Amplitude
Amplitude
10
2
10
2
10
2
Early time
10
1
10
1
10
1
1
1
1
0
0
0
-1
-1
-1
-10
1
-10
1
-10
1
Target & overburden response
Target & overburden response
Target & overburden response
-10
2
-10
2
-10
2
Early time
Location
Location
Location
0
0
0
100
100
100
200
200
200
Loo
p
Loo
p
Loo
p
Section (VE=1)
Section (VE=1)
Section (VE=1)
300
Depth (m)
300
Depth (m)
300
Depth (m)
Amplitude
Z
10
2
Rx
Early time
X
10
1
Traverse (Rx and Tx)
100 m
1
Tx
Separated-loop (Tx leading)
0
50 m
-1
Overburden response
-10
1
Conductive overburden (not always present)
Target conductor
Horizontal (
X
) component
Vertical (
Z
) component
-10
2
Figure 5.85
Computed model responses for the separated-loop con
guration with Tx leading: for a
finite thin plate conductor in three orientations, a conductive overburden layer, and
their combined responses. VE
-
vertical exaggeration.
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