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  3. Rock Physics and Statistical Rock Physics for Seismic Reservoir Characterization and Quantitative Interpretation

Rock Physics and Statistical Rock Physics for Seismic Reservoir Characterization and Quantitative Interpretation

  • Skill
  • 3 Days
  • ClassroomClassroom
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This course covers fundamentals of Rock Physics and Statistical Rock Physics, ranging from basic laboratory and theoretical results to practical “recipes” that can be immediately applied in the field.  We will present qualitative and quantitative tools for understanding and predicting the effects of lithology, pore fluid types and saturation, stress and pore pressure, and temperature on seismic velocity. We will present case studies and strategies for quantitative seismic interpretation and, suggestions for more effectively employing seismic-to-rock properties transforms in reservoir characterization, with emphasis on seismic interpretation for lithology and subsurface fluid detection.
Day 1

Intro and overview

Basic Geophysical Concepts

Seismic Velocities and factors that effect velocities

Bounding nethods

Effective medium theories

Gassmann fluid substitution

Uses, abuses, and piffalls

Day 2

Shaly sands and their seismic signatures

Linking Rock Physics with Geologic processes

Vp/Vs relations and the rock physics of AVO

AVO analysis case study

Day 3

Fluid flow and partial saturation

Uncertainties and Probabilities

Statical Rock Physics for reservoir characterization

Rock Physics Templates

Near and far offset Impedance inversion case study

Rock physics and time-lapse seismic monitoring

Wrap up review

Learning activity mix

The course is recommended for all geophysicists, reservoir geologists, seismic interpreters, and engineers concerned with reservoir characterization, reservoir delineation, hydrocarbon detection, reservoir development and recovery monitoring.

  • Introduction to Rock Physics, motivation, introductory examples
  • Parameters that influence seismic velocities - Conceptual Overview effects of fluids, stress, pore pressure, temperature, porosity
  • Bounding methods for robust modeling of seismic velocities
  • Effective media models for elastic properties of rocks
  • Gassmann Fluid substitution – uses, abuses, and pitfalls derivation, recipe and examples, useful approximations
  • Rock Physics of AVO interpretation
  • Shaly sands and their seismic signatures
  • Granular media models, unconsolidated sand model, cemented sand model
  • Statistical rock physics and uncertainty assessment
  • Quantitative seismic interpretation and rock physics templates.
  • Example case studies using AVO and seismic impedance for quantitative reservoir characterization

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