Oil & Gas Training
and Competency Development

Discipline Geophysics
LevelFoundation
Duration5 Days
Delivery Mechanism Classroom
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Seismic Stratigraphy

Purpose of the course:

  • Teach principles of stratigraphic interpretation of seismic data on basin and field scale
  • Link seismic expression of stratigraphy with basin type and evolution
  • Demonstrate the application of seismic stratigraphy to prospectivity evaluation of sedimentary basins
  • Build-up seismic stratigraphic interpretation skills via a multitude of exercises, based on data from many different areas.
  • Demonstrate applicability of seismic stratigraphy on as field scale reservoir analysis

 

  • Agenda
  • Audience
  • Prerequisites
  • Agenda

    Day 1

    Focus on sequences:

    • What is seismic stratigraphy?
    • Exercise 1
    • Stratigraphic sequences
    • Recognition of stratigraphic sequences on seismic data: onlap, downlap, and truncation
    • Repeat of Exercise 1 applying new knowledge 
    • Exercise 2: recognise stratigraphic sequences
    • Seismic facies
    • Repeat of Exercise 1 applying new knowledge
    • Repeat of Exercise 2: applying new knowledge

    Day 2

    Focus on facies:

    • Review lessons learned on day 1 (group discussion)
    • Geometry of sedimentary bodies
    • Exercise 3
    • Effect of seismic processing on seismic facies expression; importance of display parameters
    • Exercise 4: describe seismic facies part one
    • Exercise 5: describe seismic facies part two
    • Lithology, velocity, and seismic facies
    • Exercise 7: lithology-seismic facies interpretation, incorporating velocity information. (Example from offshore Morocco)
    • Exercise 6 (Example from Mar Cantabrico, Spain)

    Day 3

    Focus on basins and sea level:

    • Review lessons learned Day 2 (group discussion)
    • Eustacy and relative sea-level changes through time
    • Exercise 8 : Gulf of Cadiz (Spain)
    • Sea-level and sedimentation patterns
    • Repeat of exercise 8 applying new knowledge
    • The Chronostratigraphic chart
    • Exercise 9: construct a chonostratigraphic chart
    • Finish Exercise 8, applying new knowledge
    • Basin formation processes and impact on sedimentation patterns
    • Exercise 10 (Jeanne d’Arc Basin, Canada)

    Day 4

    Focus on turbidites:

    • Review lessons learned Day 3 (group discussion)
    • Exercise 17: Lacustrine reservoirs (Bohai Bay, China)
    • Turbidite sedimentation patterns
    • Exercise 13: Offshore Louisiana
    • Exercise 14: Offshore Guyana
    • Deposition of source rocks
    • Exercise 15: recognition of source rocks on seismic data in lacustrine basin

    Day 5

    Focus on carbonates:

    • Review lessons learned Day 4 (group discussion)
    • Mapping seismic facies and prospectivity assessment
    • Exercise 18: mapping seismic facies, prospectivity assessment
    • Carbonate depositional environments
    • Exercise 11: Bali-Flores margin
    • Exercise 12: Luconia (N-Borneo)
    • Final group discussion & course evaluation
  • Audience

    Geologists and Geophysicists involved in Seismic Interpretation

  • Prerequisites

    Basic Knowledge of Geophysics, Geology and Some awareness of Seismic Interpretation

  • Prerequisites

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