The Geophysical Corner is a regular column in the EXPLORER, produced cooperatively by the AAPG Geophysical Integration and SEG Interpretation committees, and edited by M. Ray Thomasson. This month's column is titled "An AVO Primer."


GEOPHYSICAL CORNER
AVO Adds Flavor To Seismic Soup

Figure 11. A 3D AVO example from a Cretaceous channel sand in Alberta. The plot shows the sum of intercept and gradient, or pseudo-Poisson's ratio.

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Geophysical Corner