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Conclusions

Imaging the subsurface with wave-equation migration algorithms can be extended in exciting ways to encompass new experiments. Combinations of natural or induced seismicity, and surface and down-hole sources and 3-C receivers has the potential to greatly extend the scope of imaging techniques. To demonstrate the generalized processing flow, we have used a synthetic buried source to generate two complementary images of model structure. By extension, the same methodology can be used to produce five additional images using other scattering modes extant in the teleseismic section. Buried sources closer to our array undergo a transition from plane-waves to point-like sources. We speculate that these can also be utilized for imaging by following the procedures outlined above. The application of these ideas would be most readily accomplished in cross-well tomography and VSP experimental geometries. The potential for reservoir monitoring using pressure-change induced micro-fracture sources during exploitation or CO2 sequestration is also extremely intriguing.


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Next: REFERENCES Up: Shragge and Artman: Imaging Previous: Experiments
Stanford Exploration Project
7/8/2003