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- W2041388019 abstract "Theoretical models and laboratory measurements both suggest that the interaction of solids and fluids in a reservoir formation can lead to strong attenuation measured by a low quality factor Q. When the reservoir layer is relatively thin, the loss of energy from a propagating seismic wave may be negligible. However, the low Q in such a layer can still have a measurable influence on reflections as it makes the reflection coefficient complex. A numerical modeling method that can simulate such effects rapidly for complex, laterally heterogeneous media will help to quantify the effects on reflected waveforms. Born scattering theory is useful for such problems, though it does not seem to have been applied in previous studies to modeling including finite Q values represented by complex elastic moduli. Here therefore we introduce a new implementation of the Born algorithm that does allow this type of modeling. Validation against full waveform results shows that results are accurate, and the seismograms also show that phase changes indicate the presence of low Q even when the reflecting reservoir layer is thin. The instantaneous phase seismic attribute can help to identify these effects, providing a potentially useful hydrocarbon indicator." @default.
- W2041388019 created "2016-06-24" @default.
- W2041388019 creator A5016851762 @default.
- W2041388019 date "2008-01-01" @default.
- W2041388019 modified "2023-09-25" @default.
- W2041388019 title "Seismic models of reflections from attenuating layers" @default.
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- W2041388019 doi "https://doi.org/10.1190/1.3059306" @default.
- W2041388019 hasPublicationYear "2008" @default.
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