Equations of State and PVT Analysis
Applications for Improved
Reservoir Modeling
Tarek Ahmed, Ph.D., P.E.
The Link Is
[link Point to another website Only the registered members can access]
Contents
Preface ix
Acknowledgments xi
1) Fundamentals of Hydrocarbon Phase Behavior 1
Single-Component Systems 1
Two-Component Systems 19
Three-Component Systems 28
Multicomponent Systems 29
Classification of Reservoirs and Reservoir Fluids 32
Phase Rule 54
Problems 55
References 57
2) Characterizing Hydrocarbon-Plus Fractions 59
Generalized Correlations 62
PNA Determination 82
Graphical Correlations 92
Splitting and Lumping Schemes 99
Problems 130
References 132
3) Natural Gas Properties 135
Behavior of Ideal Gases 136
Behavior of Real Gases 141
Problems 176
References 178
4) PVT Properties of Crude Oils 181
Crude Oil Gravity 182
Specific Gravity of the Solution Gas 183
Crude Oil Density 184
Gas Solubility 200
Bubble-Point Pressure 207
Oil Formation Volume Factor 213
Isothermal Compressibility Coefficient of Crude Oil 218
Undersaturated Oil Properties 228
Total-Formation Volume Factor 231
Crude Oil Viscosity 237
Surface/Interfacial Tension 246
PVT Correlations for Gulf of Mexico Oil 249
Properties of Reservoir Water 253
Laboratory Analysis of Reservoir Fluids 256
Problems 321
References 327
5) Equations of State and Phase Equilibria 331
Equilibrium Ratios 331
Flash Calculations 335
Equilibrium Ratios for Real Solutions 339
Equilibrium Ratios for the Plus Fractions 349
Vapor-Liquid Equilibrium Calculations 352
Equations of State 365
Equation-of-State Applications 398
Simulation of Laboratory PVT Data by Equations of State 409
Tuning EOS Parameters 440
Original Fluid Composition from a Sample Contaminated
with Oil-Based Mud 448
Problems 450
References 453
6) Flow Assurance 457
Hydrocarbon Solids: Assessment of Risk 458
Phase Behavior of Asphaltenes 470
Asphaltene Deposit Envelope 480
Modeling the Asphaltene Deposit 482
Phase Behavior of Waxes 495
Modeling Wax Deposit 502
Prediction of Wax Appearance Temperature 505
Gas Hydrates 506
Problems 530
References 531





Reply With Quote

Bookmarks