Working Guide to Reservoir Rock Properties and Fluid Flow


  • Tarek Ahmed

Working Guide to Reservoir Rock Properties and Fluid Flow provides an introduction to the properties of rocks and fluids that are essential in petroleum engineering. The book is organized into three parts. Part 1 discusses the classification of reservoirs and reservoir fluids. Part 2 explains different rock properties, including porosity, saturation, wettability, surface and interfacial tension, permeability, and compressibility. Part 3 presents the mathematical relationships that describe the flow behavior of the reservoir fluids. The primary reservoir characteristics that must be considered include: types of fluids in the reservoir, flow regimes, reservoir geometry, and the number of flowing fluids in the reservoir. Each part concludes with sample problems to test readers knowledge of the topic covered.
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Book information

  • Published: September 2009
  • ISBN: 978-1-85617-825-9

Table of Contents

1 Fundamentals of Reservoir Fluid Behavior Section 1.1 Classification of Reservoirs and Reservoir Fluids Pressure-Temperature Diagram Oil Reservoirs Gas Reservoirs Undefined Petroleum Fractions Section 1.2 Problems Section 1.3 References2 Fundamentals of Rock Properties Section 2.1 Porosity Absolute Porosity Effective Porosity Section 2.2 Saturation Average Saturation Section 2.3 Wettability Section 2.4 Surface and Interfacial Tension Section 2.5 Capillary Pressure Capillary Pressure of Reservoir Rocks Capillary Hysteresis Initial Saturation Distribution in a Reservoir Leverett J-Function Converting Laboratory Capillary Pressure Data Section 2.6 Permeability The Klinkenberg Effect Averaging Absolute Permeabilities Absolute Permeability Correlations Section 2.7 Rock Compressibility Section 2.8 Net Pay Thickness Section 2.9 Reservoir Heterogeneity Vertical Heterogeneity Section 2.10 Areal Heterogeneity Section 2.11 Problems Section 2.12 References3 Fundamentals of Reservoir Fluid Flow Section 3.1 Types of Fluids Incompressible Fluids Slightly Compressible Fluids Compressible Fluids Section 3.2 Flow Regimes Steady-State Flow Unsteady-State Flow Pseudosteady-State Flow Section 3.3 Reservoir Geometry Radial Flow Linear Flow Spherical and Hemispherical Flow Section 3.4 Number of Flowing Fluids in the Reservoir Section 3.5 Fluid Flow Equations Darcy’s Law Section 3.6 Steady-State Flow Linear Flow of Incompressible Fluids Linear Flow of Slightly Compressible Fluids Linear Flow of Compressible Fluids (Gases) Radial Flow of Incompressible Fluids Radial Flow of Slightly Compressible Fluids Radial Flow of Compressible Gases Horizontal Multiple-Phase Flow Section 3.7 Unsteady-State Flow Basic Transient Flow Equation Radial Flow of Slightly Compressible Fluids Section 3.8 Constant-Terminal-Pressure Solution Section 3.9 Constant-Terminal-Rate Solution The Ei-Function Solution The Dimensionless Pressure Drop (pD) Solution Radial Flow of Compressible Fluids The m(p)-Solution Method (Exact Solution) The Pressure-Squared Approximation Method (p2-Method) The Pressure-Approximation Method Section 3.10 Pseudosteady-State Flow Radial Flow of Slightly Compressible Fluids Radial Flow of Compressible Fluids (Gases) Pressure-Squared Approximation Method Pressure-Approximation Method Skin Factor Turbulent Flow Factor Section 3.11 Principle of Superposition Effects of Multiple Wells Effects of Variable Flow Rates Effects of the Reservoir Boundary Accounting for Pressure-Change Effects Section 3.12 Transient Well Testing Drawdown Test Pressure Buildup Test Section 3.13 Problems Section 3.14 ReferencesIndex