Equations of State and PVT Analysis

Equations of State and PVT Analysis

1st Edition - February 1, 2007

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  • Author: Tarek Ahmed
  • eBook ISBN: 9780127999784

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This title covers a wide range of topics related to the Pressure Volume Temperature (PVT) behavior of complex hydrocarbon systems and documents the ability of Equations of State (EOS) in modeling their behavior. This book aims to provide the practicing engineer and engineering student with tools needed to solve problems that require a description of the PVT of hydrocarbon systems from their compositions. Because of the dramatic evolution in computational capabilities, petroleum engineers can now study such phenomena as the development of miscibility during gas injection, compositional gradient as a function of depth and the behavior near critical hydrocarbon systems with more sophisticated EOS models.

Table of Contents

  • Preface


    1 Fundamentals of Hydrocarbon Phase Behavior

    Single-Component Systems

    Two-Component Systems

    Three-Component Systems

    Multicomponent Systems

    Classification of Reservoirs and Reservoir Fluids

    Phase Rule



    2 Characterizing Hydrocarbon-Plus Fractions

    Generalized Correlations

    PNA Determination

    Graphical Correlations

    Splitting and Lumping Schemes



    3 Natural Gas Properties

    Behavior of Ideal Gases

    Behavior of Real Gases



    4 PVT Properties of Crude Oils

    Crude Oil Gravity

    Specific Gravity of the Solution Gas

    Crude Oil Density

    Gas Solubility

    Bubble-Point Pressure

    Oil Formation Volume Factor

    Isothermal Compressibility Coefficient of Crude Oil

    Undersaturated Oil Properties

    Total-Formation Volume Factor

    Crude Oil Viscosity

    Surface/Interfacial Tension

    PVT Correlations for Gulf of Mexico Oil

    Properties of Reservoir Water

    Laboratory Analysis of Reservoir Fluids



    5 Equations of State and Phase Equilibria

    Equilibrium Ratios

    Flash Calculations

    Equilibrium Ratios for Real Solutions

    Equilibrium Ratios for the Plus Fractions

    Vapor-Liquid Equilibrium Calculations

    Equations of State

    Equation-of-State Applications

    Simulation of Laboratory PVT Data by Equations of State

    Tuning EOS Parameters

    Original Fluid Composition from a Sample Contaminated with Oil-Based Mud



    6 Flow Assurance

    Hydrocarbon Solids: Assessment of Risk

    Phase Behavior of Asphaltenes

    Asphaltene Deposit Envelope

    Modeling the Asphaltene Deposit

    Phase Behavior of Waxes

    Modeling Wax Deposit

    Prediction of Wax Appearance Temperature

    Gas Hydrates





Product details

  • No. of pages: 553
  • Language: English
  • Copyright: © Gulf Publishing Company 2007
  • Published: February 1, 2007
  • Imprint: Gulf Publishing Company
  • eBook ISBN: 9780127999784

About the Author

Tarek Ahmed

Tarek is currently a Founder of Tarek Ahmed and Associates, Ltd, a consulting firm that specializes in in-house petroleum engineering courses and consulting services worldwide. Prior to that, he was a Reservoir Engineering Advisor for Anadarko, Baker Hughes, Gaffney, and Cline and Associates. He was also a Professor and head of the Petroleum Engineering Department at Montana Tech of the University of Montana for over 22 years. He earned his PhD from University of Oklahoma, his Masters from the University of Missouri-Rolla, and a BS from the Faculty of Petroleum in Egypt - all degrees in petroleum engineering. Dr. Ahmed has authored numerous papers and several successful Elsevier books, including Advanced Reservoir Engineering (2005) and Reservoir Engineering Handbook, 4th Edition (2010).

Affiliations and Expertise

Consultant, Tarek Ahmed and Associates, Ltd., Spring, TX, USA

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