SkillsLib.ai

Seismic Interpretation & Prospect Evaluation

Interpret seismic data to rank drilling prospects with risk-scored trap geometry

3.9(31 reviews)
100+ downloads
Updated Oct 2026
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What You Can Do

You can decompose seismic interpretation into discrete analysis phases—structural identification, stratigraphic correlation, fault characterization, seal integrity evaluation, and source-to-trap geometry validation. Claude generates ranked prospect summaries with explicit confidence levels tied to seismic data quality, regional analogs, and pressure regime consistency, giving you documented rationale for go/no-go decisions and resource allocation across exploration blocks.

Features

Structural closure mapping

Identify and validate anticlines, domes, and tilted fault blocks with closure dimensions and spill-point analysis

Stratigraphic horizon correlation

Trace key reflectors across 2D/3D seismic lines to establish trap volume estimates and lateral continuity

Fault-seal assessment

Evaluate shale gouge ratio, throw, and dip to quantify fault-seal integrity in tilted blocks and compressional settings

Trap geometry validation

Cross-check structural interpretation against depth conversion, pressure regimes, and known analogs for consistency

Charge pathway analysis

Map migration routes from source kitchens to traps and score connectivity risk based on seal quality and overpressure indicators

Prospect ranking with confidence scores

Generate documented risk profiles (geological, commercial, technical) tied to seismic data resolution and regional play maturity

Farm-out documentation

Produce interpretation summaries with explicit assumptions, uncertainties, and rationale for peer review and investor packages

Example Output

Prospect: Mabrouk Anticline (Block 47, North Africa)

Trap Geometry:

  • Structural closure: 180 km² at spill point
  • Closure relief: 220 m (crest to spill)
  • Trap type: Three-way anticline with western flank dip seal
  • Estimated bulk volume: 850 MMbbl (P50)

Fault-Seal Assessment:

  • Main bounding fault: ~600 m throw, 35° dip
  • Shale gouge ratio: 0.62 (moderate seal quality)
  • Risk rating: MEDIUM — fault seal integrity 70% confidence

Charge Pathway:

  • Source: Toarcian lacustrine shale, 3.5 km depth
  • Migration route: Lateral along Pliensbachian sandstone, up-dip to anticline
  • Connectivity confidence: HIGH (85%) — direct contact with trap entry point

Risk Summary:

  • Geological risk: 65% (trap geometry and seal verified; source maturity assumed)
  • Commercial ranking: TIER 1 — proceed to detailed volumetrics
  • Recommended next phase: 3D pressure prediction and DHI analysis

What's Included

  • SKILL.md instruction file with interpretation workflow and decision logic:
  • Seismic Interpretation Checklist: structural, stratigraphic, and fault assessment criteria
  • Prospect Evaluation Template: structured form for trap geometry, seal integrity, charge pathways, and confidence scoring
  • Fault-Seal Quantification Framework: shale gouge ratio calculation and interpretation guidelines
  • Risk Ranking Matrix: geological, commercial, and technical risk categories with scoring scale

Who It's For

  • Exploration geologists — interpreting seismic data to define drilling prospects and manage exploration portfolios
  • Basin analysts — assessing play concepts and trap geometries across large acreage packages
  • Subsurface teams — ranking competing prospects for well location selection and resource allocation
  • Farm-in/farm-out evaluators — documenting interpretation rationale for peer review and investment decisions
  • Regional teams — correlating seismic horizons and fault patterns across multiple blocks and license areas

Best For

  • 2D/3D seismic dataset interpretation for new exploration blocks or lease rounds
  • Prospect definition with mapped structural closures, trap volumes, and risk profiles
  • Fault-seal evaluation in tilted fault blocks, compressional regimes, and deepwater settings
  • Stratigraphic horizon correlation across multiple seismic lines for trap volume estimation
  • Charge pathway mapping and source-to-trap connectivity assessment

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