Ensure your seismic data is correctly mapped to either Time (TWT milliseconds) or Depth domains. 2. Seismic Interpretation and Fault Modeling
Under the tab, define the Reference Coordinate System (CRS). Choose the exact UTM zone matching your field data.
Choose between (for clear, continuous reflectors) or Manual Tracking (for complex, noisy zones).
Go to the workflow and select Fault Modeling .
The process in the Processes Pane allows you to view well logs side-by-side in a Well Section Window . This is your primary workspace for correlating rock layers from well to well. Key logs you'll encounter include: petrel tutorial
Co-render or constrain your petrophysical modeling to your facies model. For example, ensure high porosity is only distributed within your channel facies, and low porosity is restricted to floodplain shales.
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What are you working with? (e.g., raw logs, seismic cubes, or well tops)
Your journey begins with the software's core interface. Before learning any single workflow, you must become comfortable navigating Petrel’s four main functional windows: (data source), Models (work achievements), Windows (interactive interface), and Processes (tool entry), as most basic operations are performed in the Input and Processes panes. Ensure your seismic data is correctly mapped to
For a tutorial, results should be tabulated per zone. Finally, the model can be exported for reservoir simulation: Petrel’s Export function sends grid, properties, and saturation functions to Eclipse or INTERSECT formats. Additionally, exporting key horizons as surfaces (e.g., top reservoir) to Google Earth via KML files is a powerful visualization tool.
: Use this pixel-based method for highly variable, unpatterned depositional settings.
Input your upscaled facies logs and define variogram distances to control the horizontal and vertical continuity of the facies bodies. Petrophysical Modeling (Continuous) Open .
Property modeling fills the individual 3D grid cells with geological and petrophysical variables. Well Log Upscaling Choose the exact UTM zone matching your field data
Tutorials typically provide a pre-built workflow, explaining when to use deterministic vs. stochastic methods.
Click . Petrel will output a comprehensive report detailing STOIIP (Stock Tank Oil Initially In Place) or GIIP (Gas Initially In Place) broken down by zone, facies, and fault block. 7. Upscaling for Simulation and Export to ECLIPSE/INTERSECT
Set the desired I-and-J direction cell dimensions (e.g., cell size of 50m x 50m) based on computation limits and data resolution. Making Horizons, Layering, and Zones