Page 6 - PVT Property Correlations

Contents

Biographies xi
Foreword xiii
Preface xv
Acknowledgments xvii

1. Introduction 1

Importance of Accurate PVT Properties 1
Saturated and Undersaturated Reservoirs 3
Common Models for PVT Modeling 5
Black-Oil Models 5
Modified Black-Oil (MBO) Models 7
Compositional Models 8
Nomenclature 9
References 10
Problems 11

2. Reservoir-Fluid Classification 13
Review of Reservoir-Fluid Classifications 13
Practical Classification of Gases 15
Practical Classification of Oils 18
Summary of Reservoir-Fluid Classification Criteria 24
Nomenclature 24
References 24
Problems 25

3. Dry Gases 29

PVT Properties for Dry Gases 30
Specific Gravity of Gas 30
Gas Deviation Factor 31
Gas Formation Volume Factor 32
Gas Density 32
Problem 1—Calculation of Gas Density and Specific Gravity 33
Gas Viscosity 35
Gas Compressibility 36

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