To use well logs in a 3D grid, you must upscale the high-resolution log data into the larger grid cells using methods like "Arithmetic Mean" or "Most Probable." 5. Structural Modeling (Pillar Gridding) This is where the 3D "skeleton" of your reservoir is built.

resolution of your grid. The grid must align with your fault network to ensure proper connectivity.

Create cross-sections to correlate markers across different wells.

Use the Check Data and Volume Calculation tools to estimate Original Oil in Place (OOIP) or Gas in Place (GIP).

Distribute porosity and permeability values, often conditioned to the facies model using Sequential Gaussian Simulation (SGS) . 7. Volume Calculation and Simulation

Comprehensive Petrel Tutorial: Mastering Subsurface Modeling

Load 2D or 3D seismic cubes in SEG-Y format. Use the Seismic Realization tool to optimize performance for large datasets.

A model is only as good as the data feeding it. Petrel supports a vast array of formats.

Convert fault sticks into a clean, interconnected fault framework. Pillar Gridding: Define the horizontal

Populating the grid with geological data like Porosity, Permeability, and Water Saturation.