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Vertical Stacking Statistics of Multi-facies Object-Based Models.

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Summary
This summary is machine-generated.

New equations model facies proportions and amalgamation ratios for geological object-based models. This provides an analytical basis for applying compression algorithms to multi-facies models with realistic stacking characteristics.

Keywords:
Amalgamation ratioCompression algorithmCompression-based modelFacies proportionObject-based model

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Area of Science:

  • Geology
  • Stratigraphy
  • Sedimentology

Background:

  • Object-based geological models are crucial for understanding subsurface heterogeneity.
  • Accurate modeling of facies proportions and amalgamation is essential for reservoir characterization.
  • Existing models often lack independent control over facies stacking and amalgamation.

Purpose of the Study:

  • To derive equations for facies proportions and amalgamation ratios in multi-facies object-based models.
  • To provide an analytical basis for applying compression algorithms to these models.
  • To enable the generation of models with realistic, independently defined facies stacking characteristics.

Main Methods:

  • Derivation of equations based on volume fractions and object thicknesses of independent facies models.
  • Validation using one-dimensional continuum models.
  • Application and illustration using two-dimensional cross-sectional models.

Main Results:

  • Equations for facies proportions and amalgamation ratios were successfully derived.
  • A simple relationship was found between effective facies proportion and effective amalgamation ratio.
  • The derived relationship supports the application of compression algorithms to multi-facies object-based models.

Conclusions:

  • The study provides a robust analytical framework for multi-facies object-based geological modeling.
  • The findings facilitate the creation of more realistic subsurface models with controlled facies architecture.
  • This approach enhances the predictive power of geological models in reservoir engineering and exploration.