Geology Reference
In-Depth Information
a)
Figure 5.31
Sub-tuning seismic model
putting well data in the context of
uncertainty; (a) schematic model of 'thin-
bed' reservoir, (b) well data showing a
high correlation coefficient between
amplitude and net pay thickness at wells,
(c) model data generated by varying
thickness of sands and intervening shale.
shale
oil sand
b)
R
2
=0.89
60
40
20
10
20
40
30
Amplitude
c)
Models with varying shale
and sand thicknesses
60
40
20
single clean sand
10
20
40
30
Amplitude
78
