Seismic Stratigraphy

At the end of this course participants will be able to recognize and map seismic facies belts, sediment distribution systems and litho-facies belts, and use this data for prospectivity assessment. The course spends at least 50{beee9eb93468c9be9dd441377447a0561aa56e5f7efef8619ebd75ade63ff18a} of the time on seismic interpretation exercises, based on data from a wide variety of geological settings. Lectures on theory and background alternate with exercises.

Course content

• Seismic stratigraphy work flow.
• Unconformities, reflection terminations & depositional sequences.
• Seismic facies, geometry of sedimentary bodies.
• Seismic image & lithology prediction.
• Relationship sequence stratigraphy & seismic stratigraphy
• Eustacy, relative sea-level, and sediment distribution patterns.
• Chronostratigraphic charts
• Basin formation processes & sedimentation patterns
• Effect of seismic display/processing on seismic facies expression.
• Usage of velocity information
• Resolution issues.
• Mapping of seismic facies & prospectivity assessment
• Seismic expression of shallow marine clastic, carbonates, turbidites and
  lacustrine systems

Day 1

General Course Introduction

Entrance test

1. Introduction to seismic stratigraphy

Exercise 1.1: general introduction exercise

2. Different depositional sequences

Exercise 2.1: Labuan syncline

Exercise 2.2: Melvin Bay

3. Different seismic facies

Exercise 3.1: Pletmos basin

Day 2

Review key points Day 1

4. Geometry of sedimentary bodies

Exercise 4.1: interpreting body shapes

5. Effect of seismic processing on seismic facies expression; importance of display parameters

Exercise 5.1: Facies & Resolution

6. Seismic velocity and lithology prediction

Exercise 6.1: Lithology-seismic facies, using velocity information (offshore Morocco).

Day 3

Review key points Day 2

7. Chronostratigraphy

Exercise 7.1: Mar Cantabrico, Spain

Exercise 7.2: Sulawesi

8. Sedimentation patterns and sea-level changes

Exercise 8.1: Gulf of Cadiz (Spain)

9. Carbonate systems

Exercise 9.1: Bali-Flores

Day 4

Review key points Day 3

Exercise 9.2: Maldives

10. Clastic systems: Coastal – shallow marine

Exercise 10.1: Niger delta

11. Clastic systems: Turbidites

Exercise 11.1: Turbidites

Exercise 11.2: sand-seal prediction

Day 5

Review key points Day 4

12. Continental deposits

Exercise 12.1: Bohai Bay

13. Facies mapping

Exercise 13.1: North Sea facies mapping

14. Reservoir scale seismic stratigraphy