Petroleum GeophysicsMETH/GPHYSICS

Who should attend?

  • This course provides a comprehensive, practical understanding of most techniques used in petroleum geophysics. It aims to focus on seismic techniques applied to investigate both reservoir structure and petrophysical characteristics.
Audience :
  • E&P professionals with no or limited experience in petroleum geophysics.

Level : Foundation

Course Content

  • INTRODUCTION TO PETROLEUM GEOPHYSICS

  • SEISMIC WAVE PROPAGATION & SIGNAL PROCESSING

      • Seismic waves, rock velocities and densities, Snell-Descartes law.
      • Reflection coefficients, acoustic impedance.
      • Seismic reflection principle. Seismic shot gathers.
      • Seismic signal vs. Seismic noises. Time domain vs. Frequency domain.
      • Time and space sampling.
  • SEISMIC ACQUISITION

      • Geodesy. Projections. Topographic surveying.
      • 2D and 3D seismic, land, marine, sea bottom seismic.
      • Seismic sources (explosive, vibroseis, airguns…).
      • Seismic receivers (geophones, MEMS, hydrophones…).
      • Streamers, OBC, nodes, shallow water, transition zone…
  • SEISMIC PROCESSING & IMAGING

      • Seismic processing workflows, post-stack versus pre-stack.
      • Enhance signal versus noise.
      • CMP/Bin, static corrections, dynamic corrections, velocity analysis.
      • Stack, post-stack migrations, pre-stack migrations (PSTM – PSDM).
      • Workshop: 2D Seismic Processing.
  • BOREHOLE SEISMIC

      • Theory and principles, synthetic seismogram and well-to-seismic tying.
      • Vertical Seismic Profile (VSP), Offset Seismic Profile (OSP), walkaway.
      • Seismic While Drilling (SWD).
      • Examples and applications.
  • SEISMIC INTERPRETATION: THEORY & PRACTICE

      • Principles and methodology, seismic interpretation pitfalls.
      • 2D seismic interpretation practice (on paper).
      • Workshop: 3D Seismic Interpretation.
  • SEISMIC FOR RESERVOIR ANALYSIS

      • Seismic amplitude analysis, Direct Hydrocarbon Indicators (DHI), seismic attribute analysis.
      • HR – HQ – HD – Broadband seismic, 4D Seismic.
      • Multi-component seismic, P waves versus S waves.
      • AVO-AVA processing and analysis, seismic inversion.
  • GRAVIMETRY, MAGNETOMETRY & ELECTRO-MAGNETOMETRY

      • Gravimetry: theory and principles.
      • Magnetometry: theory and principles.
      • Electro-magnetometry: theory and principles.
  • SUMMARY, SYNTHESIS & WRAP-UP

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • select the appropriate geophysical method to be used during various phases of petroleum Exploration & Production,
  • gain an insight into seismic reflection and methodology: acquisition, processing and interpretation,
  • acquire the fundamental principles of borehole seismic and reservoir geophysics.

Ways & Means

  • Interactive presentations, exercises, document analysis and videos.
  • 2 workshops on PC, using seismic processing and interpretation software tools.