JewelSuite

Integrated Reservoir Modeling Software

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Model Upscaling

Jewel Suite - Model Upscaling

The geological reservoir model can be easily upscaled inside JOA® JewelSuite™ using the same JOA® Gridding method as the geological model. With the flexible setup of the JOA® Grid, the upscaling process is fast and consistent. This provides an optimal reservoir simulation grid for the anticipated recovery process using various techniques to upscale the properties.

The geological grid can be upscaled in various ways:

  • Lateral: various grid stacks are grouped together
  • Vertical: various model layers are grouped together
  • Cropped: select a lateral sub-set of stacks


The grid properties can be upscaled using various methods:

  • Average (arithmetic, geometric, harmonic) 
  • Weighted average (arithmetic, geometric, harmonic)
  • Resistance
  • Sum
  • Min / Max
  • Most occurring


After creating the simulation grid, transmissibility properties can be calculated using the permeability properties (Kx, Ky, Kz) as inputs. These properties are a measure for the transmissibility of fluids between adjacent grid cells and are used in the reservoir simulation. During this calculation all non-neighbor connections will be calculated for each fault interface. These connections are used for the Reservoir Simulation process as well.

In addition to upscaling your geological models, you can also use the model upscaling process to calculate the Well Productivity index and Aquifer connections. These will also be used in the Reservoir Simulation processes.

Example: Vertical upscaled simulation grid (5 simulation layers) with a geological model (30 layers) with porosity property as input

Vertical upscaled simulation grid