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E-254 - SRC: Seismic Reservoir Characterization

24 hours RES/BLSRC
Level
Foundation
Audience
  • Geologists, geophysicists and reservoir engineers with basic knowledge in geophysics.
Purpose
  • This course provides a comprehensive, practical understanding of how seismic data is used to characterize, model, and rank reservoirs.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • understand the relationship between physical properties of rocks and geophysics,
  • master the main steps of seismic reservoir characterization workflow, to perform QC and to assess data to be interpreted and related uncertainties,
  • To interpret major results of petro-elastic analysis and modeling, AVO-AVA and Inversion studies and to understand methodological issues in seismic inversion, attributes classification and reservoir properties prediction.
Prerequisite
  • No prerequisites for this course.
Ways and means
  • The first 2 hours are dedicated to introducing agenda, methods and tools.
  • Specific needs and expectations of each participant are also assessed and discussed (MCQ and phone interview with the tutor).
Observation
Total training duration is 24 hours, spread over a 6-week period

Seismic reservoir characterization 3 hours
  • What is seismic reservoir characterization, how is it integrated?
  • Methods used and scale issues.
Rock physics 2.5 hours
  • Introduction to Rock Physics.
  • Rock physics theory – Basic concepts.
  • Theoretical Rock Physics – Influence of key parameters.
  • Practical Rock Physics – Most sensitive factors.
  • Applied Rock Physics – Rock Physics Model: place in seismic reservoir characterization.
Physics & AVO principles 5 hours
  • Why AVO?
  • Wave propagation.
  • Seismic data prerequisites.
Calibration 2 hours
  • Well-to-seismic calibration: objectives & workflows.
  • Review of recommended wavelet extraction techniques.
  • Real case example: multi-well calibration.
  • Wavelet deconvolution.
AVO in practice 3 hours
  • Introduction to AVO interpretation.
  • AVO seismofacies.
  • AVO class.
  • AVO facies volume.
Inversion 4 hours
  • Introduction to Inversion of seismic data – Required input data – Inversion techniques and their limits.
  • Post-stack and pre-stack inversion.
  • Validation and interpretation of inversion results.
Reservoir properties prediction 4.5 hours
  • Attribute classification.
  • Prediction techniques.
  • Characterization results validation.