Post-Stack and Pre-Stack Seismic Data Inversion andSeismic Reservoir Characterization

post stack and pre stack seismic data inversion andseismic reservoir characterization

Course Description:

This course provides a comprehensive exploration of post-stack and pre-stack seismic data
inversion techniques, focusing on their application in reservoir characterization. Participants
will learn the fundamental principles behind seismic inversion, its methodologies, and how to
integrate inversion results into reservoir models for fluid and saturation prediction. The course
includes hands-on exercises and real-world case studies, enabling participants to apply both
post-stack and pre-stack inversion techniques to enhance reservoir characterization and
decision-making in exploration and production.

Duration

5 Days

Target Audience

Geophysicists
Reservoir engineers
Professionals involved in seismic interpretation and reservoir characterization

Prerequisites

Basic understanding of seismic data and interpretation techniques

By the end of this course, participants will be able to

1-Understand Seismic Inversion Fundamentals

Explain the importance of seismic inversion in reservoir characterization.
Differentiate between post-stack and pre-stack inversion techniques and their respective applications.
Understand the role of reflection seismology and impedance in inversion processes.

2-Apply Post-Stack Inversion Techniques

Perform post-stack inversion using industry-standard methodologies such as impedance inversion and AVO
(Amplitude Versus Offset) analysis.
Analyze and interpret post-stack inversion results in the context of reservoir properties.
Conduct practical exercises using real seismic data to develop skills in post-stack inversion techniques.

3-Implement Pre-Stack Inversion Techniques

Understand the significance of pre-stack inversion and its advantages over post-stack methods.
Apply amplitude variation with offset (AVO) modeling to predict subsurface conditions.
Perform pre-stack inversion techniques such as AVA (Amplitude Versus Angle) and AVOI (Amplitude Versus Offset Inversion) to improve reservoir characterization.

4-Integrate Inversion Results for Reservoir Characterization

Combine seismic inversion outputs with well data for improved reservoir characterization.
Predict fluid types, lithology, and saturation based on inversion results.
Incorporate inversion data into geological and petrophysical models to enhance reservoir understanding.

5-Explore Advanced Applications and Future Trends

Investigate real-world applications of seismic inversion in exploration and production projects.
Explore how emerging technologies such as machine learning and AI are transforming seismic inversion and reservoir characterization.
Apply both post-stack and pre-stack inversion techniques to a final project, demonstrating mastery of the course
material.

Participants will leave the course with practical skills in seismic inversion techniques and the ability to apply these methods in reservoir characterization, making them well-equipped to tackle real-world challenges in exploration and production.

SYLLABUS

Day 1: Introduction to Seismic Inversion

Overview of Seismic Inversion: Importance and Applications in Reservoir Characterization
Key Concepts: Reflection Seismology and Impedance
Types of Inversion: Post-Stack vs. Pre-Stack
Fundamentals of Seismic Data Processing

Day 2: Post-Stack Inversion Techniques

Understanding Post-Stack Inversion: Concepts and Methodologies
Techniques: Impedance Inversion, AVO Analysis
Practical Exercise: Performing Post-Stack
Inversion Using Real Data
Interpretation of Inversion Results in a Reservoir Context

Day 3: Pre-Stack Inversion Techniques

Introduction to Pre-Stack Inversion: Importance and Benefits
AVO Modeling: Understanding Amplitude Variation with Offset
Techniques: Pre-Stack Inversion Approaches (AVA, AVOI)
Practical Exercise: Conducting Pre-Stack Inversion and Analyzing Results

Day 4: Reservoir Characterization Using Inversion Results

Integrating Inversion Outputs with Well Data
Techniques for Reservoir Characterization: Predicting Fluid Types and Saturation
Use of Inversion Results in Geological and Petrophysical Modeling
Case Studies: Successful Reservoir Characterization Projects

Day 5: Advanced Applications and Future Trends

Real-world Applications of Inversion Techniques in Exploration and Production
Emerging Technologies: Machine Learning and AI in Seismic Inversion
Final Project: Participants Work on a Case Study Applying Both Post-Stack and Pre-Stack Inversion
Course Review and Q&A Session