Geoscience Reference
In-Depth Information
Well A
Well B
Porosity
0.35
30
0.3
50
0.25
70
90
0.2
110
0.15
130
0.1
150
170
0.05
190
0
50
100
150
200
250
Distance (m)
(a)
Well A
Well B
Permeability (10
-15
m
2
)
120
30
50
100
70
80
90
120
60
130
40
150
170
20
190
0
50
100
150
200
250
Distance (m)
(b)
Figure 4.3
Porosity and permeability map of a NAPL contaminated aquifer between two wells for a water-flood simulation.
a)
Porosity distribution.
b)
Permeability distribution. (
See insert for color representation of the figure
.)
the inverse fast Fourier transform (IFFT) (FFT
−
1
) to get
the time series of the seismic displacements
u
x
and
u
z
,
along with the time series of
seismic waves. We have checked that this corresponds
to the smallest mesh for which the solution of the partial
differential equation is mesh independent. The seismic
source is located at position So(
x
s
=0m,
z
s
= 116 m) with
a magnitude of 1.0 × 10
4
Nm. For the time domain
the electric potential
response,
. We generated a rectangular mesh at least
ten times smaller than the smallest wavelength of the
ψ
