Level 2: Petroleum Geophysics and reservoir characterization
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