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                    SEISMIC CONSULTANTS

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Geophysics for explorationists.

1. Impedance Inversion:
Introduce the synthetic seismogram.
Overview of well logs, density, Vp, Vs, and gamma.
One dimensional Synthetic.Offset Synthetic.
Brief overview of seismics. Zero offset stack.
Recovery of impedance from the stack. Sparse spike inversion.
Wavelet estimation.

2. Calibration:
Correlation between rock properties and seismic
Sonic log calibration from check shot survey (part of impedance inversion)
Use of geostatistics in calibration & interpolation.

3. Sub-Stacks Angle Stacks.
Overview of AVO.
What are its limitations.
Description of Fluid Factor, Poisson’s reflectivity, Elastic impedance.
Substacks, nears, mids, and fars.
Simailarities between these methods.
Examples..
Interpreting seismic amplitudes.

4. Attributes:
Instantaneous Amplitude, frequency and phase. Instantaneous Q.
Envelope volumes (env(far)-env(near))