Petrel Seismic Sampling

Generate seismic attribute maps on any 2D surface or average seismic properties within a time or depth interval.

Benefits

• Display any seismic data with a 3D depth converted model.
• Import a simulation model into Petrel and quality check it with the seismic data.
• Condition your reservoir model with depth converted seismic attributes sampled into the grid.

Seismic depth conversion

With a simple click, your seismic volume is depth converted according to the velocity functions for the horizons in a 3D grid. When a seismic volume is depth converted, Petrel will locate the time horizons and the corresponding depth horizon in the two 3D grids and adjust the Z-position of each seismic trace. The resulting depth converted seismic will be restricted to the boundaries of the 3D depth grid.

The depth converted seismic allows the same options as original seismic, including 3D auto tracking and manual interpretation. You can display the volume in the interpretation window and create attributes from the depth data.

Quality control

• Display the depth converted seismic with property grids or results from simulation to ensure the quality of the modeling.
• Different disciplines can work together on the same interface.
• Sample depth converted seismic amplitudes or attributes into an existing 3D grid.

Sampling

Sampling is the process whereby Petrel investigates the attribute values within a grid cell and populates the grid cells with one attribute value. The algorithms that can be used in this process are: closest, interpolate, intersection, and exact.

To obtain a realistic and accurate model, the sampled seismic attributes can be used to guide or condition the property modeling.

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