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Mechanics of Hydraulic Fracturing, 2nd Edition

Book Description

Revised to include current components considered for today’s unconventional and multi-fracture grids, Mechanics of Hydraulic Fracturing, Second Edition explains one of the most important features for fracture design — the ability to predict the geometry and characteristics of the hydraulically induced fracture. With two-thirds of the world’s oil and natural gas reserves committed to unconventional resources, hydraulic fracturing is the best proven well stimulation method to extract these resources from their more remote and complex reservoirs. However, few hydraulic fracture models can properly simulate more complex fractures. Engineers and well designers must understand the underlying mechanics of how fractures are modeled in order to correctly predict and forecast a more advanced fracture network.

Updated to accommodate today’s fracturing jobs, Mechanics of Hydraulic Fracturing, Second Edition enables the engineer to:

  • Understand complex fracture networks to maximize completion strategies
  • Recognize and compute stress shadow, which can drastically affect fracture network patterns
  • Optimize completions by properly modeling and more accurately predicting for today’s hydraulic fracturing completions

  • Discusses the underlying mechanics of creating a fracture from the wellbore
  • Enhanced to include newer modeling components such as stress shadow and interaction of hydraulic fracture with a natural fracture, which aids in more complex fracture networks
  • Updated experimental studies that apply to today’s unconventional fracturing cases

Table of Contents

  1. Cover image
  2. Title page
  3. Table of Contents
  4. Copyright
  5. Preface to the First Edition
  6. Preface to the Second Edition
  7. Chapter 1: Fracturing of a wellbore and 2D fracture models
    1. Abstract
    2. Introduction
    3. Fracturing of a wellbore
    4. Constant height fracture models
    5. Circular fractures
    6. Energy consideration
    7. Poroelasticity and filtercake
  8. Chapter 2: Three-dimensional fracture modeling
    1. Abstract
    2. Introduction
    3. Fluid motion inside the fracture
    4. Fracture opening equation
    5. Propagation of a hydraulic fracture
    6. Mesh generation
    7. Results and discussion
  9. Chapter 3: Proppant transport in a 3D fracture
    1. Abstract
    2. Introduction
    3. The governing equations
    4. Proppant transport
    5. Finite element formulation
    6. Analysis of shut-in
    7. Results and discussion
    8. Pseudo 3D models
  10. Chapter 4: Deviated wellbores
    1. Abstract
    2. Introduction
    3. Stress distribution and initiation of a hydraulic fracture
    4. Cased hole and perforation strategy
  11. Chapter 5: Link-up of mini-fractures from perforated holes
    1. Abstract
    2. Introduction
    3. Formulation of the problem
    4. Solution method
    5. Fracture growth and link-up
    6. Results and discussion
  12. Chapter 6: Turning of fracture from a deviated wellbore
    1. Abstract
    2. Introduction
    3. Nonsymmetric growth of a 2D fracture from a horizontal wellbore
    4. The turning of a hydraulic fracture
    5. Results and discussion
    6. Fracturing of a horizontal well
  13. Chapter 7: Fracture propagation in a naturally fractured formation
    1. Abstract
    2. Introduction
    3. Interaction of a HF with a NF
    4. Modeling of complex fracture networks
    5. Impact of NFs on HF pattern
    6. Propagation of shear slip along a NF
  14. Chapter 8: Stress shadow
    1. Abstract
    2. Introduction
    3. Formulation of the problem
    4. Interaction between parallel fractures
    5. Interaction among complex fractures
  15. Chapter 9: Experimental studies
    1. Abstract
    2. Introduction
    3. Experiments carried out in laboratory
    4. Experiments carried out in the field
  16. Notations
  17. Author Index
  18. Subject Index