Reservoir characterization as a discipline grew out of the recognition that more oil and gas could be extracted from reservoirs if the geology of the reservoir was understood. Prior to that awakening, reservoir development and production were the realm of the petroleum engineer. In fact, geologists of that time would have felt slighted if asked by corporate management to move from an exciting exploration assignment to a more mundane assignment working with an engineer to improve a reservoir’s performance.

Slowly, reservoir characterization came into its own as a quantitative, multidisciplinary endeavor requiring a vast array of skills and knowledge sets. Perhaps the biggest attractor to becoming a reservoir geologist was the advent of fast computing, followed by visualization programs and theaters, all of which allow young geoscientists to practice their computing skills in a highly technical work environment. Also, the discipline grew in parallel with the evolution of data integration and the advent of asset teams in the petroleum industry. Finally, reservoir characterization flourished with the quantum improvements that have occurred in geophysical acquisition and processing techniques and that allow geophysicists to image internal reservoir complexities.

Key Features

  • Practical resource describing different types of sandstone and shale reservoirs
  • Case histories of reservoir studies for easy comparison
  • Applications of standard, new, and emerging technologies


Petroleum geologists, geophysicists and engineers, explorationists

Table of Contents



Series Editor's Preface

Chapter 1. Basic Principles and Applications of Reservoir Characterization

1.1 General Introduction

1.2 Integrating Expertise for Reservoir Characterization

1.3 Oil and Gas: The Main Sources of Global Energy

1.4 The Added Value of Reservoir Characterization

1.5 Compartmentalization of Oil and Gas Reservoirs

1.6 Clastic Depositional Environments and Types of Deposits

1.7 When Is Reservoir Characterization Important in the Life Cycle of a Field?

1.8 The Value of Case Studies


Chapter 2. Basic Sedimentary Rock Properties


2.1 Introduction

2.2 Classification and Properties of Sediments and Sedimentary Rocks

2.3 Sedimentary Structures and Their Significance

2.4 Summary


Chapter 3. Geologic Time and Stratigraphy


3.1 Introduction

3.2 North American Geologic Time Scale

3.3 Determining the Time Frame in Which a Rock Formed

3.4 Micropaleontology and Biostratigraphy in Reservoir Characterization

3.5 Walther's Law and the Succession of Sedimentary Facies

3.6 Summary


Chapter 4. Tools and Techniques for Characterizing Oil and Gas Reservoirs


4.1 Introduction

4.2 Measuring Properties at Different Scales

4.3 Computers and the Computing Environment

4.4 Seismic-Reflection and Subsurface Imaging

4.5 Logging and Sampling a Well

4.6 Summary


Chapter 5. Basics of Sequence Stratigraphy for Reservoir Characterization


5.1 Sequence Stratigraphic Approach to Reservoir Characterization

5.2 Definitions and Basic Concepts

5.3 Evolution and Applications of Sequence Stratigraphy

5.4 Scales of Cyclicity

5.5 Procedure for Developing a


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