Petroleum Rock Mechanics

1st Edition

Drilling Operations and Well Design

Authors: Bernt Aadnoy Reza Looyeh
Paperback ISBN: 9780123855466
eBook ISBN: 9780123855473
Imprint: Gulf Professional Publishing
Published Date: 26th May 2011
Page Count: 376
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Petroleum Rock Mechanics: Drilling Operations and Well Design covers the fundamentals of solid mechanics and petroleum rock mechanics and their application to oil and gas-related drilling operations and well design. More specifically, it examines the role of formation, strength of rock materials, and wellbore mechanics, along with the impact of in-situ stress changes on wellbore and borehole behavior. Practical examples with solutions and a comprehensive glossary of terminologies are provided. Equations are incorporated into well-known failure criteria to predict stresses and to analyze a range of failure scenarios throughout drilling, well operation, and well completion processes. The book also discusses stress and strain components, principal and deviatoric stresses and strains, materials behavior, the theories of elasticity and inelasticity, probabilistic analysis of stress data, the tensile and shear strength of rocks, wellbore stability, and fracture and collapse behavior for both single and multi-lateral wells. Both inexperienced university students and experienced engineers will find this book extremely useful.

Key Features

  • Clearly applies rock mechanics to on and off shore oil and gas drilling
  • Step by Step approach to the analyze wellbore instabilities
  • Provides worked out examples with solutions to everyday problems


Reservoir Engineers, Production Engineer, Drilling Engineers, Exploration Geophysicists

Table of Contents




About the authors

List of symbols

Chapter 1. Stress/Strain Definitions and Components

1.1. General concept

1.2. Definition of stress

1.3. Stress components

1.4. Definition of strain

1.5. Strain components

Chapter 2. Stress and Strain Transformation

2.1. Introduction

2.2. Transformation principles

2.3. Two-dimensional stress transformation

2.4. Stress transformation in space

2.5. Tensor of stress components

2.6. Strain transformation in space

Chapter 3. Principal and Deviatoric Stresses and Strains

3.1. Introduction

3.2. Principal stresses

3.3. Average and deviatoric stresses

3.4. General interpretation of principal stresses

3.5. Two-dimensional stress analysis

3.6. Properties of strain

Chapter 4. Theory of Elasticity

4.1. Introduction

4.2. Materials behavior

4.3. Hooke's law

4.4. Hooke's law in shear

4.5. Analysis of structures

4.6. Theory of inelasticity

4.7. Constitutive relation for rocks

Chapter 5. Failure Criteria

5.1. Introduction

5.2. Failure criteria for rock materials

5.3. The von mises failure criterion

5.4. Mohr-coulomb failure criterion

5.5. The griffith failure criterion

5.6. Hoek-brown failure criterion

5.7. Druker-prager failure criterion

5.8. Mogi-coulomb failure criterion

Chapter 6. Introduction to Petroleum Rock Mechanics

6.1. Introduction

6.2. Definition and classification of rocks

6.3. Petroleum rock mechanics

6.4. Why study stress in rocks?

6.5. Units of measurement

Chapter 7. Porous Rocks and Effective Stresses

7.1. Introduction

7.2. Anisotropy and inhomogeneity

7.3. Anisot


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Gulf Professional Publishing
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About the Author

Bernt Aadnoy

Department of Petroleum Engineering, University of Stavanger, Stavanger, Norway

Affiliations and Expertise

Department of Petroleum Engineering, University of Stavanger, Stavanger, Norway

Reza Looyeh

Affiliations and Expertise

Lead Engineer, Chevron Limited, Pembroke Refinery, UK