The theory and practical aspects of seismic reflection data acquisition will be covered, both in marine and land environments. Students will then follow a practical seismic processing task, with relevant theory and background information on the key steps, using an industry-standard processing package.
- Pre-stack processing: Reformatting seismic data; assigning geometry to seismic trace headers 2. Trace gathering 3. Velocity analysis: NMO stretching, muting, semblance, coherence maps 4. Comparing semblance maps, picking a semblance map; picking reflection events 5. Normal move-out correction; stacking CMP gathers 6. Editing: Killing and muting traces 7. Testing and applying deconvolution (deterministic and statistical: wavelet amplitude and phase shaping, predictive deconvolution) band pass filtering 8. Residual statics correction, velocity analysis iteration 9. Multiple suppression (FK, FX, Radon-domian, Tua-p and SRME) 10. Migration: principles, methods (Kirchloff, FD, FK), Post- and pre- stack time and depth migration
- Post-stack processing, generating a client stack
