OG90
Course Contents
Module 1: Seismic Fundamentals and Interpretation Workflow
Key Topics
- Role of seismic interpretation in subsurface decision-making
- Basic seismic wave principles and reflection response
- 2D and 3D seismic data types and survey geometry
- Seismic processing awareness for interpreters
- Data quality, resolution, noise, and imaging limitations
- Seismic displays, polarity, phase, and colour scales
- Standard seismic interpretation workflow and deliverables
Module 2: Well Ties, Synthetic Seismograms and Data Integration
Key Topics
- Integrating seismic, well logs, checkshots, and VSP data
- Time-depth relationships and velocity model fundamentals
- Synthetic seismograms and seismic-to-well calibration
- Identifying formation tops and key reflectors
- Seismic resolution and tuning thickness effects
- Geological control for reliable interpretation
- Common pitfalls in well tie and correlation work
Module 3: Structural Interpretation and Mapping
Key Topics
- Fault identification and interpretation on seismic sections
- Horizon picking and reflector continuity assessment
- Structural styles in extensional and compressional settings
- Time structure maps and depth conversion basics
- Fault framework building and trap definition
- Seismic evidence for fractures, folds, and unconformities
- Quality control of structural maps and interpretations
Module 4: Stratigraphic Interpretation and Seismic Attributes
Key Topics
- Seismic stratigraphy and sequence interpretation principles
- Recognition of clinoforms, channels, and depositional patterns
- Amplitude, frequency, phase, and coherence attributes
- Attribute selection for reservoir and facies evaluation
- Direct hydrocarbon indicators and amplitude anomalies
- Seismic geomorphology and depositional environment mapping
- Limitations and uncertainty in attribute-based interpretation
Module 5: Reservoir Evaluation, Risk and Reporting
Key Topics
- Seismic input to reservoir characterisation workflows
- Prospect identification and petroleum system integration
- Volumetric estimation concepts and uncertainty ranges
- Seismic interpretation for field development planning
- Applications in CCS, geothermal, and geohazard studies
- Communicating interpretation results and technical risks
- Final interpretation review and practical action planning