Subscribe  |  Login  | 
E-153 - Seismic Reflection Fundamentals

E-153 - Seismic Reflection Fundamentals

5 days
GEO/SEISREF
Sessions
This course is not scheduled.
Who should attend?

Audience

    • E&P professionals with no or limited experience in seismic.

Level

  • Foundation
  • This course provides a thorough understanding of seismic reflection and usual applications.
  • It aims at acquiring fundamental concepts in subsurface imaging for geological interpretation purposes.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • assess the seismic reflection workflow main steps, from acquisition to interpretation,
  • understand fundamentals of seismic wave propagation with relation to petrophysical properties of subsurface,
  • grasp methodology of surface and borehole seismic acquisition, processing and interpretation.
Course Content

SEISMIC WAVES PROPAGATION & SIGNAL PROCESSING

1 day

  • Seismic waves, rock velocities and densities, Snell-Descartes laws.
  • 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

0.5 day

  • 2D and 3D seismic, land, marine, sea bottom seismic.
  • Seismic sources (explosive, vibroseis, air guns…).
  • Seismic receivers (geophones, MEMS, hydrophones…).
  • Streamer, OBC, nodes, shallow water, transition zone…

SEISMIC PROCESSING & IMAGING

0.5 day

  • 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).

BOREHOLE SEISMIC

0.5 day

  • 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

2 days

  • Principles and methodology, seismic interpretation pitfalls.
  • Hands-on: 2D seismic interpretation (on paper).

SEISMIC FOR RESERVOIR ANALYSIS

0.5 day

  • Seismic amplitudes analysis, Direct Hydrocarbon Indicators (DHI), seismic attributes analysis.
  • HR - HQ - HD - Broadband seismic, 4D seismic.
  • Multi-component seismic, P waves vs S waves.
  • AVO-AVA processing and analysis, seismic inversion.
SUMMARY, SYNTHESIS & WRAP-UP

You might be interested by these trainings
Ways & Means
  • Interactive presentations, exercises, hands-on, document analysis and videos.