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Basic Seismic Interpretation

Who should attend:

Exploration and production geophysicists, exploration geoscientists.


This course assumes a basic knowledge of seismic interpretation and concentrates on the role of the seismic interpreter in the search for oil and gas. In addition to workshop exercises focused on the traditional mapping of subsurface structures, we also look at direct indicators of hydrocarbons using techniques such as AVO and Seismic Inversion. The focus is on real hands-on exercises, which should reinforce the contents of the course.


Module 1: Seismic Data

  • Seismic sections on paper
  • Seismic data on the workstation
  • Well data
  • Non-seismic geophysical data
  • Special seismic and attribute data

Module 2: Basic reflection theory

  • Seismic waves
  • P and S waves
  • Normal reflection
  • Acoustic Impedance, Reflection Coefficients
  • Wavelets
  • Vertical resolution
  • What are the thinnest beds that can be resolved, and how does this change with depth?
  • Horizontal resolution
  • What scale of features can be seen?

Module 3: Acquisition & Processing

  • Acquisition of seismic data
  • Prestack processing
  • Poststack processing

Module 4: Incorporating Geological information

  • Surface geology and other geophysical methods
  • The integration of well data

Module 5: Picking and mapping horizons

  • Choice of reflection
  • Following reflections
  • Sources of error
  • Mapping by hand
  • Computer mapping

Module 6: Structural interpretation

  • Structural geology terminology
  • Classification of structures
  • Stress fields (simple strain ellipsoid)
  • Seismic interpretation pitfalls (problems)

Module 7: Sequence Stratigraphy

  • Controls and basic concepts
  • Parasequences, parasequence sets and flooding surfaces
  • Sequences and systems tracts
  • Application of sequence stratigraphy

Module 8: Seismic stratigrahic analysis

  • Recognition of Sequences in Seismic
  • A Seismic Sequence Analysis Process Workflow

Module 9: Advanced seismic interpretation techniques

  • Attributes and other techniques can help in the search
  • Post-stack amplitude analysis
  • Seismic attributes
  • Surface attributes
  • Other techniques
  • AVO
  • Impedance inversion
  • Geostatistics
  • 4D and 4C

Module 10: depth conversion

  • The need for depth conversion
  • Rough estimates of depth on seismic data
  • Time / depth data from wells
  • Time / depth data from stacking velocities
  • Integrating both kinds of data

Extra Schedule Information

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We will schedule a class for this course when there are enough participants on the waiting list.

Proprietary Training

If you would like this course delivered on a proprietary basis, please let us know where and approximately when you would like the training to take place, and provide us with an estimation of the likely number of participants.

We can then send you a formal proposal, outlining the technical and financial details of the course.

For this service please contact us.