Book description
Hydraulic Fracturing in Unconventional Reservoirs: Theories, Operations, and Economic Analysis introduces the basic characteristics and theories surrounding hydraulic fracturing and the main process of fracturing in shale, including the main workflow, the details in case analysis, and the fundamental differences between theory, study, and practical operation. The book takes the complex nature of the hydraulic fracturing in unconventional reservoirs and applies a practical approach that can be useds as a workflow for designing fracture treatments in various shale basins across the world.
Providing the audience with theories, best practices, operation and execution, and economic analysis of hydraulic fracturing in unconventional reservoirs, this reference guides the engineer and manager through broad topics including an introduction to unconventional reservoirs, advanced shale reservoir characterization, and shale gas in place calculation as well as expanding to basic theories of hydraulic fracturing and advanced topics in shale reservoir stimulation.
Rounding out with coverage on the environmental aspects and practice problems on design and economic analysis, the book delivers the critical link needed between academia and industry for all aspects of hydraulic fracturing operations.
- Presents basic characteristics of unconventional reservoirs and introductory theories and practices on hydraulic fracturing, including post-fracturing analysis
- Includes an explanation of company assets and financial responsibility, with coverage on economic evaluation and how to predict decline curves
- Provides tactics on how to strengthen real-world skills with the inclusion of practice examples at the end of the book
Table of contents
- Cover image
- Title page
- Table of Contents
- Copyright
- List of Figures
- List of Tables
- List of Equations
- Biography
- Preface
- Chapter One. Introduction to Unconventional Reservoirs
- Chapter Two. Advanced Shale Reservoir Characterization
- Chapter Three. Shale Initial Gas-in-Place Calculation
- Chapter Four. Multiscale Fluid Flow and Transport in Organic-Rich Shale
- Chapter Five. Hydraulic Fracturing Fluid Systems
-
Chapter Six. Proppant Characteristics and Application Design
- Abstract
- Introduction
- Sand
- Precured Resin-Coated Sand
- Curable Resin-Coated Sand
- Intermediate-Strength Ceramic Proppant
- Lightweight Ceramic Proppant
- High-Strength Proppant
- Proppant Size
- Proppant Characteristics
- Proppant Particle-Size Distributions
- Proppant Transport and Distribution in Hydraulic Fracture
- Fracture Conductivity
- Dimensionless Fracture Conductivity
- International Organization for Standardization (ISO) Conductivity Test
- Non-Darcy Flow
- Multiphase Flow
- Reduced Proppant Concentration
- Gel Damage
- Cyclic Stress
- Fines Migration
- Time Degradation
- Finite vs Infinite Conductivity
- Chapter Seven. Unconventional Reservoir Development Footprints
- Chapter Eight. Hydraulic Fracturing Chemical Selection and Design
-
Chapter Nine. Fracture Pressure Analysis and Perforation Design
- Abstract
- Introduction
- Pressure (psi)
- Hydrostatic Pressure (psi)
- Hydrostatic Pressure Gradient (psi/ft)
- Instantaneous Shut-In Pressure (ISIP, psi)
- Fracture Gradient (FG, psi/ft)
- Bottom-Hole Treating Pressure (psi)
- Total Friction Pressure (psi)
- Pipe Friction Pressure (psi)
- Perforation Friction Pressure (psi)
- Open Perforations
- Perforation Efficiency
- Perforation Design
- Numbers of Holes (perfs) and Limited Entry Technique
- Perforation Diameter and Penetration
- Perforation Erosion
- Near-Wellbore Friction Pressure (NWBFP)
- Fracture Extension Pressure
- Closure Pressure
- Net Pressure
- Surface-Treating Pressure (STP, psi)
-
Chapter Ten. Fracture Treatment Design
- Abstract
- Introduction
- Absolute Volume Factor (AVF, gal/lbs)
- Dirty (Slurry) Versus Clean Frac Fluid
- Slurry (Dirty) Density (ppg)
- Stage Fluid Clean Volume (BBLs)
- Stage Fluid Slurry (Dirty) Volume (BBLs)
- Stage Proppant (lbs)
- Sand per Foot (lb/ft)
- Water per Foot
- Sand-to-Water Ratio (SWR, lb/gal)
- Slick Water Frac Schedule
- Foam Frac Schedule and Calculations
- Foam Volume
- Nitrogen Volume
- Blender Sand Concentration
- Slurry Factor (SF)
- Clean Rate (No Proppant)
- Clean Rate (with Proppant)
- Slurry Rate (with Proppant)
- Nitrogen Rate (With and Without Proppant)
- Chapter Eleven. Horizontal Well Multistage Completion Techniques
-
Chapter Twelve. Completions and Flowback Design Evaluation in Relation to Production
- Abstract
- Introduction
- Landing Zone
- Stage Spacing
- Cluster Spacing
- Number of Perforations, Entry-Hole Diameter (EHD), and Perforation Phasing
- Sand and Water per Foot
- Proppant Size and Type
- Bounded Versus Unbounded (Inner vs. Outer)
- Up Dip Versus Down Dip
- Well Spacing
- Water Quality
- Flowback Design
- Flowback Equipment
- Flowback Equipment Spacing Guidelines
- Tubing Analysis
-
Chapter Thirteen. Rock Mechanical Properties and In Situ Stresses
- Abstract
- Introduction
- Young’s Modulus (psi)
- Poisson’s Ratio (ν)
- Fracture Toughness ()
- Brittleness and Fracability Ratios
- Vertical, Minimum Horizontal, and Maximum Horizontal Stresses
- Vertical Stress
- Minimum Horizontal Stress
- Biot’s Constant (Poroelastic Constant)
- Maximum Horizontal Stress
- Various Stress States
- Fracture Orientation
- Transverse Fractures
- Longitudinal Fractures
- Chapter Fourteen. Diagnostic Fracture Injection Test
-
Chapter Fifteen. Numerical Simulation of Hydraulic Fracturing Propagation
- Abstract
- Introduction
- Stratigraphic and Geological Structure Modeling
- Development of Hydraulic Fracturing Simulators
- Two-dimensional Hydraulic Fracturing Models
- Fluid Flow in Hydraulic Fractures
- Solid Elastic Response
- Pseudo–Three-Dimensional (Pseudo-3D) Hydraulic Fracturing Models
- Three-Dimensional Hydraulic Fracturing Models
- Hydraulic and Natural Fracture Interactions
- Hydraulic Fracture Stage Merging and Stress Shadow Effects
-
Chapter Sixteen. Operations and Execution
- Abstract
- Introduction
- Water Sources
- Hydration Unit (“Hydro”)
- Blender
- Sand Master (Sand Mover, Sand King, or Sand Castle)
- T-belt
- Missile
- Frac Manifold (Isolation Manifold)
- Frac Van (Control Room)
- Overpressuring Safety Devices
- Water Coordination
- Sand Coordination
- Chemical Coordination
- Stage Treatment
- Tips for Flowback After Screening Out
- Frac Wellhead
- Chapter Seventeen. Decline Curve Analysis
-
Chapter Eighteen. Economic Evaluation
- Abstract
- Introduction
- Net Cash-Flow Model (NCF)
- Royalty
- Working Interest (WI)
- Net Revenue Interest (NRI)
- British Thermal Unit (BTU) Content
- Shrinkage Factor
- Operating Expense (Opex)
- Total Opex per Month
- Severance Tax
- Ad Valorem Tax
- Net Opex
- Revenue
- NYMEX (New York Mercantile Exchange)
- Henry Hub and Basis Price
- Cushing Hub and West Texas Intermediate (WTI)
- Mont Belvieu and Oil Price Information Services (OPIS)
- Capital Expenditure Cost (Capex)
- Opex, Capex, and Pricing Escalations
- Profit (Net Cash Flow)
- Before Federal Income Tax (BTAX) Monthly Undiscounted Net Cash Flow (NCF)
- Discount Rate
- Weight of Debt and Equity
- Cost of Debt
- Cost of Equity
- Capital Budgeting
- Net Present Value (NPV)
- BTAX and ATAX Monthly Discounted Net Cash Flow (NCF)
- Internal Rate of Return (IRR)
- NPV Versus IRR
- Modified Internal Rate of Return (MIRR)
- Payback Method
- Profitability Index (PI)
- Tax Model (ATAX Calculation)
- Example Problems
- References
- Index
Product information
- Title: Hydraulic Fracturing in Unconventional Reservoirs
- Author(s):
- Release date: November 2016
- Publisher(s): Gulf Professional Publishing
- ISBN: 9780128498620
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