Seismic Interpretation & Well Integration Guide
Interpret seismic sections with well-log confidence quantification
What You Can Do
You systematically interpret 2D/3D seismic sections, integrate well log data to anchor your picks, and quantify confidence in your structural and stratigraphic interpretations. Claude guides you through horizon mapping, fault definition, well-to-seismic ties, and risk assessment—turning raw data into defensible subsurface models with explicit uncertainty bounds.
Features
Systematically identify and track seismic horizons across sections, evaluate reflection character and continuity, and resolve interpretation ambiguities with geophysical reasoning.
Step-by-step guidance for tying well logs to seismic picks, including synthetic seismogram concepts, velocity model validation, and depth-to-time conversion checks.
Map faults, dip patterns, anticlines, and fault-bounded traps; assess throw magnitudes; evaluate structural plausibility against regional tectonics.
Identify unconformities, sequence boundaries, and depositional packages; assess lateral facies changes; integrate well chronostratigraphy with seismic geometries.
Quantify interpretation confidence based on data quality, well control density and distribution, seismic resolution, and regional geologic constraints. Assign confidence scores (high/medium/low) to different interpretation zones.
Identify key interpretation risks—sparse well control, velocity model uncertainty, seismic noise, complex geology—and rank them by impact on prospect definition.
Systematically develop alternative structural and stratigraphic scenarios; evaluate data fit for each; assess which alternatives are geologically plausible and commercially significant.
Structure your interpretation into clear, team-ready reports with cross-sections, confidence maps, uncertainty discussion, and recommended next steps.
Example Output
Seismic Interpretation Summary — Prospect Alpha
| Feature | Interpretation | Confidence | Data Support |
|---|---|---|---|
| Top Reservoir | Continuous reflector at ~1,850 ms | High | 3 well ties, good coherency |
| Anticline Crest | Dip reversal at CMP 3,200 | Medium | 1 well at flank, noise on flanks |
| Bounding Fault | 150 ms throw, dips 65° | Medium-Low | Sparse well control, poor resolution |
Well-to-Seismic Tie (Well-1): ✓ Synthetic seismogram matches observed traces within 20 ms ✓ Horizon picks tied ±15 ms (frequency-dependent uncertainty) ✓ Velocity model validated at well location → Confidence in regional picks: Medium
Risk Assessment:
- Data coverage risk — Only one well within prospect area; flanks unconstrained
- Velocity model risk — Deviated well trajectory increases tie uncertainty
- Seismic resolution risk — Thin interval <30 ms; risk of thickness underestimation → Recommendation: Acquire 2-3 additional wells or shallow 3D to reduce coverage risk
What's Included
- Seismic interpretation checklists: Systematic workflows for horizon picking, fault definition, and structural/stratigraphic assessment—ensures no key features are overlooked.
- Well integration frameworks: Step-by-step tie procedures, synthetic seismogram logic, and depth-to-time validation methods for robust well-to-seismic correlation.
- Confidence quantification rubrics: Structured methods to score data quality, well control distribution, seismic resolution, and regional constraints; convert to confidence categories.
- Structural/stratigraphic templates: Reusable forms for documenting horizon geometries, fault architectures, sequence boundaries, and depositional facies interpretations.
- Risk register and alternative scenarios: Tables for listing interpretation risks, ranking by business impact, and documenting alternative geological models with data-fit assessment.
- Interpretation report template: Ready-to-fill structure for documenting your subsurface model: executive summary, data description, interpretation methodology, results, confidence discussion, and recommendations.
Who It's For
- Petroleum geoscientists and seismic interpreters
- Exploration managers assessing prospect risk
- Well site geologists integrating well-to-seismic data
- Development teams updating subsurface models post-drill
- Reservoir engineers defining structural architecture for simulation
Best For
- Prospect identification and definition in exploration plays
- Seismic-to-well tie verification before well planning
- Structural mapping and fault seal assessment
- Confidence-driven decision support for drilling locations
- Post-well interpretation updates and model refinement
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