Petroleum Geophysics



Chapter I:  Petroleum Geophysics & Role in the Oil & Gas Industry

 I-Seismic Acquisition

1)  Introduction to Geophysics

2)  Why listen to the Earth?Types of Seismic Data (2D,3D,4D,OBC,HR)

3)  Land & Marine Seismic Acquisition

 a) Topography & Navigation Positioning

 b) Sources

 c) Receivers

 d) Recording

 4) Main Acquisition Parameters & Results

a) Survey Designs

b) Folds

c) Shot Records

d) QC & Quick Look Processing

5) Economics

II– Seismic Processing

1) Basic Processing Flow

2) Pre-Stack Processing

a) Shot Domain

b) CMP Domain

c) NMO & Velocity Analysis

3) Stack & Post Stack Processing

a) Stack

b) Noise Attenuation

c) Migration

d) Scaling & Display

4) Special Processing

a) AVO

b) Seismic Inversion

III– Seismic Interpretation Overview

1)  Introduction

2)  Play Concept & Shared Earth Model in E&P

3)  QC Data & Establish a Quick Look Framework

4)  Well to Seismic Calibration use VSPs (Identify Key Horizons for Interpretation)

5)   Interpret Horizons & Fault Use « Autotrack »

6)  Time Structure Maps & Structural Framework

7)   Establish Velocity Model (s), Use G&G Data

8)   Depth Structure Maps,Identufy Areas of Interest Isopach Maps .QC & Re-Calibrate to Well Data

9)  Reserves Estimate & Geological Model

10)   Stratigraphic Seismic  Interpretation

Chapter II: Seismic Acquisition & Processing in the Oil

& Gas Industry

I– Some fundamentals of geophysical Exploration

1) Seismic Surveys

2) Marine Acquisition in Practice

3) Onboard Processing

II-Seismic Processing

1)  Introduction

2)  Contractors

3)  Typical Processing Job

4)  Some Processing Examples

5)  References