Introduction of Rock Physics To Support Quantitive Seismic Interpretation

Course Code: OGC 148

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Course Sector:

Oil, Gas and Chemical

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Course Dates and Locations

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No.

Date

Days

Location

Fees

Enrollment

04 - 08 Aug 2025

5 Days

Istanbul, Turkey

$4,950

23 - 27 Nov 2025

5 Days

Dammam, KSA

$4,250

Introduction

Training course introducion / brief

This course focuses on the construction and application of first-order models in seismic amplitude interpretation and through this promotes the understanding of the essential aspects of rock physics that are relevant in interpreting all types of seismic displays (including reflectivity, impedance and AVO data).

Employ simplifications to the Zoeppritz equations and understand why they are useful in describing variation of amplitude with offset and how they are used in seismic modelling and interpretation.
Categorise AVO responses.
Appreciate how various rock property factors (such as lithology and fluid fill) affect the contrasts in acoustic properties that give rise to seismic signatures.
Construct simple single-interface amplitude-versus-angle models and determine first order effects to look for on various seismic displays.
Calculate the vertical resolution of seismic data.
Recognise the importance of calibration of seismic to well data, including the issues involved in upscaling log data to the seismic scale, and appreciate the importance of understanding accuracy in well ties.
Recognise the data sources used for building seismic models and understand the basics behind the application of rock physics models in fluid and lithology substitution.
Apply Gassmann’s equation to evaluate the effect of changing fluids on acoustic properties.
Comprehend the basics of seismic inversion and the potential pitfalls.
Understand the basics behind the various approaches to AVO analysis:
Construct an AVO projection designed to optimise changes in fluid fill.

The course is aimed as an introduction to practical rock physics application in seismic interpretation and would be of interest to all working geoscientists including geologists, geophysicists, petrophysicists

The course is designed for all geoscientists including geologists, geophysicists, Petrophysicists and QI Rock Physicist who wish to understand the principles of interpreting seismic data using rock physics models and gain awareness of how this may impact the perception of risk in exploration and production drilling. Attendees will receive a fully documented manual with text discussion, including all illustrations shown in the course.

The course is a combination of lectures and practical exercises – there is no previous experience of the package is required.

Introduction
Fundamentals
Wave propagation
Seismic basics
Rocks are isotropic and elastic
The convolution model
Modelling seismic reflectivity
What is the wavelet?
What do the trough and peak present?
Reflection, refraction and mode conversion
Single interface model - the simplest and most important seismic model:
Amplitude varing with angle (AVA)
Other seismic models
Amplitude varing with offset AVO response description
Exercises

How can we Qc the tool measurements of Key logs Vp, Vs ( Sonic) & Density?
Why the Sonic log need processing? How the measurement made by the tool? And converted to slowness?
SLB example of STC semblance processing
Why the Sonic Scanner SLB is an advantage in the current industry?
Sonic Scanner & DSI transducers frequencies
QC Sonic data
How the measurement made by the Density tool?
QC density data
Qc and Preparation of the data for Rock Physics.
Guidelines for well editing and QC
Elastic Bounds:
Distinction between cementing and sorting trends
Missing log predication
Effect of Geology on Rock physics
Examples of Xplot Editing, QC analysis and RP trends

Fluid Substitution Analysis
The importance of P & S Sonic for Fluid sub. & AVO Modelling.
Gassmann Fluid Substitution
understanding the theory.
Theory and Synopsis.
Basic Fluid Substitution- Gassmann’s equation & Work Flow
4 well Examples in Details from Varies Basins
Density correction for mud filtrate invasion ▪ Why we are doing this density Correction to mud filtrate invasion?
Theory
Workflow
Practical examples test in WBM consolidated/ unconsolidated
Conclusion Pros and cons
Conclusion of Day 3

Conceptual workflow for forward modelling and inversion
QI calibration processes for rock physics and seismic modelling
Petrophysical input To QI modelling processes
Basic Well Tie Process
Synthetic generation
What do the trough and peak present?
How to obtain the wavelet
Well Tie approaches using synthetics
How long is the wavelet optimum length?
5 examples of synthetic to well Tie
Key Conclusion and Observation
Exercise of QAQC the time/depth data with velocity interval

Conceptual Workflow for forward Modelling and inversion
Comparison between Forward Modelling and Inversion
Seismic Inversion Benefits
Seismic Inversion Examples around the world
Types of Seismic Inversion in Basics
Relative Impedance
Coloured Inversion
Deterministic Inversion
Stochastic Inversion
Pre-Inversion Checklist
Seismic Inversion: Summary

Boost certificate of completion

BOOST's Professional Attendance Certificate “BPAC” is always given to the delegates after completing the training course, and depends on their attendance of the program at a rate of no less than 80%, besides their active participation and engagement during the program sessions.

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Shareable Certificate

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COURSE METHODOLOGY

Our Training programs are implemented by combining the participants' academic knowledge and practical practice (30% theoretical / 70% practical activities).

At The end of the training program, Participants are involved in practical workshop to show their skills in applying what they were trained for. A detailed report is submitted to each participant and the training department in the organization on the results of the participant's performance and the return on training. Our programs focus on exercises, case studies, and individual and group presentations.

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TRAINING COURSE: Introduction of Rock Physics To Support Quantitive Seismic Interpretation