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Discussion and Future Work

The numerical tests illustrate that forward-scattered wavefield imaging can lead to interpretable ADCIG volumes. In particular, we show that vertical ADCIGs are able to resolve geologic dips oriented sub-parallel to the plane-wave propagation direction. Conversely, horizontal ADCIGs are shown to afford little resolution to flat-lying reflectors. This data set, though, does not provide an ideal test of the forward-scattered imaging approach. The shots are both limited in number and distribution of wavenumbers within each shot-record. Higher frequency content of the data is required before the spatial resolution of forward-scattered ADCIGs is fully assessed. In the future, we will apply the methodology to data sets containing forward-scattered waves, potentially including cross-hole seismic, VSP, and long-offset surface reflection data.


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Next: Concluding Remarks Up: Shragge et al.: Forward-scattered Previous: Numerical Examples
Stanford Exploration Project
5/3/2005