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Pluri-Gaussian Simulation tools
By Ephesia Consult
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Plug-in Attributes
Platform:
Petrel
Challenges:
Unconventional Shale
ECCN:
France origin, EAR99
Version
  • 2016 | 2017 | 2018
Supporting Documents
Installation Guide
Release Notes
User Manual
Overview
Pluri-Gaussian Simulation is a method for simulating facies properties while respecting inter-facies relationships defined in a bivariate Gaussian Truncation Diagram (TD). In addition to providing the fully integrated PGS method for Facies Modeling in Petrel, the plug-in also features the Truncation Diagram Editor offering a complete and user-friendly toolbox to create TDs.
Specifications
  • Performing efficient facies simulations
  • Method fully integrated in the Facies Modeling process
  • Conditioning to upscaled cells
  • Imposing non-stationarity (locally varying facies fractions)
  • Honoring locally varying variogram azimuth
  • Respecting inter-facies relationships as defined on the Truncation Diagrams (TDs)
  • Drawing TDs manually via a complete toolbox
  • Building TDs directly from hard data
  • Adjusting TDs automatically to target fractions
  • Visualizing TDs and statistics
Features
PGS allows to efficiently simulate lithologies while respecting: conditioning data, inter-facies relationships (defined in the Truncation Diagram) and non-stationarity (locally varying proportions and variogram azimuth). Furthermore, the Truncation Diagram Editor provides convenient tools to create TDs either manually (by drawing limits and zones) or automatically (initialized from hard data).