Practical Seismic Interpretation with Petrel
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Program Professional Framework
Practical Seismic Interpretation with Petrel
Program Overview
Seismic interpretation turns reflection data into the structural and stratigraphic framework on which prospects and field developments are built. This hands-on course uses Petrel to work through a complete interpretation workflow: project setup and data loading, seismic data quality and display, well-to-seismic ties with synthetic seismograms, horizon and fault interpretation, seismic attributes for reservoir and fault detection, velocity modelling and depth conversion, and generation of surfaces and maps for volumetrics. Exercises use a dataset representative of Gulf carbonate settings, where subtle structures and low-relief closures demand careful interpretation.
Learning Outcomes
- ✓Set up a Petrel project with correct coordinate systems and load seismic, well and log data.
- ✓Generate synthetic seismograms and tie wells to seismic to identify key reflectors.
- ✓Interpret horizons and faults consistently across a 3D seismic volume.
- ✓Apply seismic attributes to highlight faults, fractures and reservoir variations.
- ✓Build a velocity model and convert time interpretations to depth.
- ✓Produce depth structure maps and gross rock volume estimates for a mapped closure.
Target Audience
- Geophysicists and seismic interpreters
- Exploration and development geologists
- Geoscience technicians using Petrel
- Reservoir engineers who work with seismic-derived maps
Detailed Program Modules
01Project Setup and Data Loading
- Coordinate reference systems and project settings
- Loading seismic, wells, logs and checkshots
- Data quality checks and visualisation
02Seismic Fundamentals for Interpreters
- Reflection principles, polarity and phase
- Resolution and tuning effects
- Display settings and colour scales
03Well-to-Seismic Ties
- Synthetic seismogram generation
- Wavelet extraction and tie quality
- Identifying key reflectors
04Structural Interpretation
- Horizon interpretation and autotracking
- Fault interpretation and fault modelling
- Quality control of interpretation consistency
05Seismic Attributes
- Structural attributes for faults and fractures
- Amplitude and frequency attributes for reservoirs
- Attribute extraction on horizons
06Depth Conversion and Mapping
- Velocity modelling methods
- Time-to-depth conversion and uncertainty
- Surface generation, mapping and volumetrics
Training Methodology
Applied Project & Assessment
Applied Project
Using a provided 3D seismic and well dataset, participants complete an interpretation in Petrel from well tie to depth maps, and present structure maps, a fault framework and a gross rock volume estimate for a mapped prospect.
Assessment
Short diagnostic at the start, practical tasks linked to each learning outcome, and evaluation of the applied project against published criteria.