Level 2: Petroleum Geophysics and reservoir characterization

Référence
l2pgrc25

 

Objectives

I) Course Title: Seismic Acquisition 
Objectives
At the conclusion of this course, participants will be able to:
Understand the concepts and practical applications of seismic acquisition;
Understand the basic theory and principles of seismic data acquisition;
Learn how to derive and apply basic equations that are used in acquisition;
Know the different equipment and the methodologies used on land and offshore for a seismic acquisition survey;
To know how to perform a seismic acquisition survey, and assess critical acquisition parameters. 
This course involves a number of examples and case studies to better understand the seismic acquisition design & operations.
II) Course Title: Seismic velocity modeling / depth conversion 
Objectives
At the end of this course, students should be able to:
Describe the importance of velocity data in the time-depth conversion;
Build a reliable velocity model;
Describe the various time-depth conversion methods; 
Choose the most appropriate time-depth conversion method for the task.
This course involves a number of examples and case studies to better understand the seismic velocity modeling and depth conversion.
III) Course Title: Seismic Processing 
Objectives
At the conclusion of this course, participants will be able to:Understand how waves propagate; 
Identify and remove the effects of non-geologic signals, without impacting the amplitude & phase of the primary reflections;
Develop and apply corrections to generate a more accurate image of the subsurface;
Prepare a seismic processing sequence.
This course involves a number of examples and case studies to better understand the 2D/3D seismic processing.
IV) Course Title: Seismic Interpretation 
Objectives
At the conclusion of this course, participants will learn how to:
Identify and map faults, folds, uplifts and other structural elements;
Understand how Interpret structural settings and structural styles;
Ensure 3D geometric consistency in an interpretation;
Understand how check if the interpretation is admissible;
Determine timing relationships (i.e. trap formation).
This course involves a number of examples and case studies to better understand the 2D/3D seismic interpretation.

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Content

I) Course Title: Seismic Acquisition

Introduction

Seismic Reflection Principles (waves, ray, reflection, refraction etc.)

Basic Knowledge and Techniques for Acquiring a Marine and Land 2D/3D Seismic Survey

3D Acquisition Terminology and 3D Survey Pattern

The Imaging, Geometrical & Recording Parameters

Examples & Exercises

Case Studies & Quiz

Course Summary

II) Course Title: Seismic velocity modeling / depth conversion

Introduction

Basic Definitions & Principles

Velocity Mapping / Modelling using:

Well Velocities (Check shots, VSP, etc.)

Post Stack Seismic Velocities

RMS Velocities

Interval Velocities / Dix Formula

Time-depth conversion Methods

Examples & Case Studies

Course Summary

III) Course Title: Seismic Processing

Introduction

Basic Definitions & Principles

Advanced Processing Sequence:

Demultiplexing.

3D Geometry, Trace Edit & Muting, Amplitude Recovery, Band Pass Filter, F-K Filter, SRME & tau-p.

Static Correction.

Multiples Attenuation.

Seismic Deconvolution.

Stacked Seismic Section.

Seismic Migration.

Examples & Exercises.

Case Studies.

Course Summary

IV) Course Title: Seismic Interpretation

Introduction

Basic Definitions & Principles

Role of Seismic Interpretation

Structural & Stratigraphic Interpretation using Seismic Data

Seismic to Well Tie

Horizon & Fault Picking

TWT Map Generation

Examples & Exercises

Case Studies

Course Summary