Table 1 The geometrical structure, volume of interest (i.e., model dimension), and grid-cell dimension of the models.

From: A novel flow-based geometrical upscaling method for representing fault zones with two-phase fault rock properties into a dynamic reservoir model

Truth model (Fig. 2a)

Upscaled model (Fig. 2b)

Contains 3D sub-seismic fault zone components explicitly with their associated single-phase and two-phase fault rock properties

Contains 3D sub-seismic fault zone components and associated fault rock properties upscaled using two-phase flow-based geometrical upscaling

Non-uniform grid-cells

Uniform grid-cells

Model dimension: 500 × 250 × 25 m

Model dimension: 500 × 250 × 25 m

Grid-cell dimension: 30 × 38 × 5

Grid-cell dimension: 20 × 10 × 5