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E-243C - Seismic Reservoir Characterization: AVO & Inversion Workshop Certification

E-243C - Seismic Reservoir Characterization: AVO & Inversion Workshop Certification

10 days
GRE/SEISMIC
Sessions
This course is not scheduled.
Who should attend?

Audience

    • Experienced geoscientists and reservoir engineers involved in multidisciplinary teams, willing to widen their knowledge in seismic reservoir characterization.

Level

  • Advanced
  • This course provides deep knowledge of seismic reservoir characterization focusing on amplitudes, using both qualitative and quantitative methods and leads attendees to understand and follow every step of seismic reservoir characterization projects.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • understand a seismic reservoir characterization study project,
  • work in a seismic reservoir characterization study project at basic level,
  • perform a feasibility study and to select the most appropriate workflow,
  • gather and prepare data for seismic interpretation studies.
Course Content
WEEK 1

Qualitative interpretation: seismic stratigraphy & attributes

2 days

  • Stratigraphic hydrocarbon traps.
  • Well-to-seismic calibration.
  • Seismic Amplitude Interpretation.
  • Seismic Resolution.
  • Seismic Attributes for Stratigraphic interpretation.
  • DHI analysis: Bright or Dim spot.
  • From basin estimation to reservoir characterization.
  • Weekly test.
  • Correction and conclusions.

Workshop

3 days

  • Case study presentation. Hands-on objectives.
  • Interpretation of sedimentary bodies.
  • Unconformity and angularity, sequence identification and picking:
  • Top and base picking of sedimentary sequence in the Tertiary group.
  • Interpretation of prograding sub-sequences using seismic facies analysis (amplitude, energy, phase, etc.) .
  • Other structures’ evidence through structural attributes analysis:
  • Channels delineation and interpretation using structural attributes.
  • Other structural elements.
  • Seismic evidence of a reservoir. Detection and analysis:
  • Amplitude and seismic attributes anomalies analysis at sequence top (DHI, gas shadows, etc.).
  • Analysis of seismic character modification in the vicinity of the reservoir (reflectivity, phase or frequency changes, multiples enhancement, structural anomalies, etc.).
  • Seismic attributes analysis and characterization:
  • Analysis of seismic inversion and porosity attributes in potential traps.
  • Attribute comparison in potential trap areas, seismic facies analysis and characterization.
  • Participants’ results presentation
  • Feedback and wrap-up
WEEK 2

Quantitative interpretation: inversion & AVO

2 days

  • Fundamentals of rock physics.
  • Wavelets.
  • Log time-to-depth conversion and resampling. Aliasing.
  • Acoustic impedances and seismic inversion.
  • AVO principles and Interpretation.
  • Well data and seismic data preconditioning for seismic characterization.
  • Quantitative reservoir property prediction: lithologies and fluids.
  • Weekly test.
  • Correction and conclusions.

Workshop

3 days

  • Case study presentation. Hands-on objectives.
  • Log time-to-depth conversion and resampling.
  • Wavelet generation.
  • Acoustic impedances and synthetic trace generation.
  • Synthetic AVO case (amplitude vs offset):
  • AVO modeling: 4 classes.
  • AVO interpretation.
  • DHI interpretation (bright spot). Fluid content determination.
  • Participants’ results presentation.
  • Feedback and wrap-up.
Ways & Means
  • Interactive presentations, practical exercises, documents analysis.
  • Workshop on case study using dedicated software.
Certification
  • An international recognition of your competencies.
  • A Advanced Certificate is obtained.
  • An expertise confirmed in E-243C - Seismic Reservoir Characterization: AVO & Inversion Workshop Certification.
  • Ready-to-use skills.