Phase Behavior of Petroleum Reservoir Fluids – What Will You Learn From This Course?

by Shayne Coleman on August 7, 2011

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Phase Behavior of Petroleum Reservoir Fluids study about behavior of reservoir fluid with several parameters in reservoir. There are several parts of this course as listed below;

Phase Behavior Fundamentals. Review of Relevant Thermodynamics

• Phase Diagrams.

• Volumetric and phase behavior of pure substances.

• Volumetric and phase behavior of binary systems. Phase diagrams (P-V, P-T, P-x, y-x). Phase Equilibria

• Ternary Diagrams.

• Multicomponent systems. Classification of reservoir fluids based on phase diagrams, PVT and production data.

• Representation.


Oil and Gas Properties from Correlations

• Standard PVT tests, Differential Liberation, Constant Composition Expansion, Constant Volume Depletion (CVD),

• Review and definition of oil and gas properties used in reservoir engineering.

• Determination of Compositions.

• Swelling Tests, Minimum Miscibility Pressure (MMP), Separator Tests.

• Viscosity Correlations. Evaluation of Oil Viscosity Using Corresponding States models and Black Oil Models.

 

Generalized Phase Equilibria Models

• Petroleum Engineering Applications in Separation Processes.

• Low Pressure Phase Equilibrium.

• Extension of Corresponding States to Mixtures.

• The Principle of Corresponding States. Correlations and Models.

• Thermodynamic Properties of Homogeneous and Heterogeneous Systems.

• Phase Equilibrium: Vapor-Liquid-Equilibrium (VLE), Liquid-Liquid Equilibrium (LLE), Solid-Liquid-Equilibrium (SLE).

• Phase Equilibrium Models: Single Components. Reduced Equations of State (EOS.)

• Phase Equilibrium Models: Multicomponent Systems.

• Mixing Rules. Types of VLE Computations: Dew Point and Bubble Point Calculations. Multiphase Flash.

• Low Pressure Phase Equilibria Computations (Surface Separators).

• K-value correlations. Empirical methods to determine equilibrium ratios (K-values)

• Ideal Systems.

 

High Pressure Phase Equilibrium.

• High Pressure Phase Equilibria Applications (Reservoir)

• Evaluation of Fugacity Coefficients from Equations of State. (Soave Redlich-Kwong, Peng and Robinson).

• Equations of State Models (EOS). Cubic EOS. Root Selection.

• Evaluation of Phase Boundaries (Dew and Bubble Points) and Flash Equilibrium with EOS. Tuning of Equations of State (EOS).

• Generalization to any EOS.

 

Phase Behavior in Systems Containing

• Water. Low Temperature (Gas Hydrates) and High Temperature

• Gas Hydrates Chemistry and Properties.

• Evaluation of Gas Hydrate Formation Pressure and Temperature. Hydrate

• Inhibition Procedures.

• Formulation of Three-Phase Flash Problems (V-L1-L2). V=vapor, L1= hydrocarbon rich liquid phase and L2= aqueous liquid phase. Evaluation of Phase Equilibria when: (1) Solubility of Hydrocarbons in L2 and Water in L1 is Ignored, (2) Solubility of Water in L1 is considered, solubility of hydrocarbons in L2 is ignored, (3) All Mutual

• Solubilities are Considered.

 

Heavy Oil Fractions: Hydrocarbon Characterization Procedures

• Estimation Methods for Critical Properties. Characterization Factors.

• Fluid Characterization of the Hydrocarbon Plus Fraction ( C7 ). True Boiling Point Tests (TBP), Viscosity, and Specific Gravity.

• Computation of Viscosity of Oil-Wax Suspensions.

• Splitting and Lumping Schemes of Petroleum Fractions.

• Modeling of Wax Deposition in Pipelines.

• Wax Inhibitors.

 

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{ 1 comment… read it below or add one }

kumapayi olamide yomi August 26, 2011 at 3:34 pm

hello, I will like to have a pictotorialn illustration of the multi component behaviour of reservoir fluid.

Reply

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