Mathematical Geosciences

, 41:29 | Cite as

Application of Multiple Point Geostatistics to Non-stationary Images

  • Luis Manuel de Vries
  • Jesus Carrera
  • Oriol Falivene
  • Oscar Gratacós
  • Luit Jan Slooten


Simulation of flow and solute transport through aquifers or oil reservoirs requires a precise representation of subsurface heterogeneity that can be achieved by stochastic simulation approaches. Traditional geostatistical methods based on variograms, such as truncated Gaussian simulation or sequential indicator simulation, may fail to generate the complex, curvilinear, continuous and interconnected facies distributions that are often encountered in real geological media, due to their reliance on two-point statistics. Multiple Point Geostatistics (MPG) overcomes this constraint by using more complex point configurations whose statistics are retrieved from training images. Obtaining representative statistics requires stationary training images, but geological understanding often suggests a priori facies variability patterns. This research aims at extending MPG to non-stationary facies distributions. The proposed method subdivides the training images into different areas. The statistics for each area are stored in separate frequency search trees. Several training images are used to ensure that the obtained statistics are representative. The facies probability distribution for each cell during simulation is calculated by weighting the probabilities from the frequency trees. The method is tested on two different object-based training image sets. Results show that non-stationary training images can be used to generate suitable non-stationary facies distributions.


Geostatistics Multiple point statistics Non-stationary Training image Reservoir modelling 


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Copyright information

© International Association for Mathematical Geology 2008

Authors and Affiliations

  • Luis Manuel de Vries
    • 1
    • 3
  • Jesus Carrera
    • 2
    • 3
  • Oriol Falivene
    • 3
  • Oscar Gratacós
    • 3
  • Luit Jan Slooten
    • 4
  1. 1.Department of Earth SciencesUtrecht UniversityUtrechtThe Netherlands
  2. 2.Institut Jaume Almera de Ciencies de La Terra, CSICBarcelonaSpain
  3. 3.Geomodels Institute, Group of Geodynamics and Basin AnalysisUniversitat de BarcelonaBarcelonaSpain
  4. 4.Hydrogeology GroupTechnical University of Catalonia (UPC)BarcelonaSpain

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