Abstract

Potentials and limitations for acquisition and processing are examined, given the industry's interest in quantifying orthorhombic anisotropy contained in 3D P-P field data. A field-data case presents one aspect of azimuthal prestack amplitudes and demonstrates these limitations and potentials. Careful amplitude analysis of azimuth-limited near-offset prestack migrated volumes reveals significant azimuthal variations that are consistent with calibration measurements.

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