AVO and Amplitude Analysis

How reflection amplitude changes with angle, and what that says about the rock. Start from the Zoeppritz equations, linearize to Shuey's intercept and gradient, learn the four AVO classes, and test each idea against live synthetic gathers you can perturb yourself.

18 interactive sections across 5 books
Start here → AVO basics: Zoeppritz, Aki-Richards, intercept and gradient, from 3D Seismic Interpretation

3D Seismic Interpretation

  1. AVO basics: Zoeppritz, Aki-Richards, intercept and gradient
  2. AVO classes and the intercept-gradient crossplot
  3. Deepwater turbidite QI: Girassol-style fluid prediction

Synthetic Seismic Modeling

  1. The AVO Classes
  2. Zoeppritz and Shuey
  3. Mode Conversion
  4. Synthetic AVO Gathers
  5. Azimuthal AVO (AVAz)
  6. Fractured Carbonate

Seismic Data Processing

  1. AVO-preserving processing
  2. Survey design sanity: fold, offset, azimuth
  3. Near-offset conditioning for inversion
  4. True-amplitude migration
  5. Elastic and anisotropic FWI

Seismic Acquisition

  1. Reflection & transmission coefficients
  2. Fold, offset, azimuth statistics
  3. VSP: zero-offset, walkaway, walkaround

Physics-Informed Neural Networks for Exploration Seismology

  1. AVO from PINN-augmented FWI

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