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Oil & Gas Training
and Competency Development
Competency Management system SLB NEXT

AVO and Seismic inversion RILS

This course is delivered in 4 hour segments over 5 days. The course is delivered by virtual means using Skype for Business.

A profitable development of an oil or gas field start with a good understanding of the subsurface as a basis for efficient and successful field management. The use of AVO and inversion techniques helps to create the best possible petrophysics subsurface model. Improved discrimination of reservoir units are made and models are generated using logs and seismic data. These techniques lead to highly accurate or highly probable (static) subsurface models compatible (if correctly up-scaled) to dynamic reservoir models obtained from reservoir engineering measurements and computations.

The correct use of seismic attributes, well data analysis, AVO and seismic inversion is essential to establish subsurface models that can be used for improved field development planning and design.

At the end of the course participants will understand basic concepts in quantitative seismic analysis and interpretation based on AVO, well-to-seismic calibration and inversion techniques.

Day 1

Session One (4 hours)

• Introduction

• Seismic Processing for AVO and Inversion

Day 2

Session Two (4 hours)

• AVO Theory Practical applications of AVO analysis – fluid factor, intercept and gradient etc.

• Well to seismic ties and wavelets

Day 3

Session Three (4 hours)

• Inversion theory and methods

• Low frequency model building

Day 4

Session Four (4 hours)

• Practical applications of seismic inversion - including lithology discrimination and rock physics inversion.

• 4D Inversion

Day 5

Session Five (4 hours)

• 3C Inversion

• Stochastic Inversion

• Future directions – joint EM-seismic inversion, AVAZ, VSP inversion, full waveform

Learning activity mix

Geologists, petrophysicists, reservoir engineers, processing geophysicists and seismic interpreters involved with exploration and development of oil and gas reservoirs.

• Seismic Processing for AVO and Inversion

• AVO Theory Practical applications of AVO analysis – fluid factor, intercept and gradient etc.

• Well to seismic ties and wavelets

• Inversion theory and methods

• Low frequency model building

• Practical applications of seismic inversion - including lithology discrimination and rock physics inversion.

• 4D Inversion

• 3C Inversion

• Stochastic Inversion

• Future directions – joint EM-seismic inversion, AVAZ, VSP inversion, full waveform

Basic Knowledge of applied geophysical principles and seismic interpretation

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