Characterization of reservoir fluids: A predictive model for interfacial and bulk phase equilibrium properties

Luís M. C. Pereira; Lourdes F. Vega; Antonin Chapoy; Bahman Tohidi

doi:10.1190/RDP2018-38788160.1

Characterization of reservoir fluids: A predictive model for interfacial and bulk phase equilibrium properties

Luís M. C. Pereira, Lourdes F. Vega, Antonin Chapoy, Bahman Tohidi

School of Energy, Geoscience, Infrastructure and Society

Research output: Contribution to journal › Conference article › peer-review

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Abstract

In this contribution, a robust theoretical approach was applied to predict the interfacial and phase equilibrium properties of real reservoir fluids. The modeling approach was based on an improved version of the Peng-Robinson equation of state (EoS) and on the Density Gradient Theory (DGT) for fluid interfaces. All the EoS and DGT parameters were obtained from literature correlations or calculated through a group-contribution method, leading to the computation of all the fluid properties in a fully predictive manner. The good agreement with volumetric, phase composition and interfacial tension data of multiple contact tests confirmed the superior predictive capabilities of the present modeling approach for describing key PVT properties of reservoir fluids.

Original language	English
Pages (from-to)	8-11
Number of pages	4
Journal	SEG Global Meeting Abstracts
DOIs	https://doi.org/10.1190/RDP2018-38788160.1
Publication status	Published - 9 May 2018
Event	SEG/AAPG/EAGE/SPE Research and Development Petroleum Conference and Exhibition 2018 - Abu Dhabi, United Arab Emirates Duration: 9 May 2018 → 10 May 2018

ASJC Scopus subject areas

Geotechnical Engineering and Engineering Geology
Geochemistry and Petrology
Fuel Technology

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title = "Characterization of reservoir fluids: A predictive model for interfacial and bulk phase equilibrium properties",

abstract = "In this contribution, a robust theoretical approach was applied to predict the interfacial and phase equilibrium properties of real reservoir fluids. The modeling approach was based on an improved version of the Peng-Robinson equation of state (EoS) and on the Density Gradient Theory (DGT) for fluid interfaces. All the EoS and DGT parameters were obtained from literature correlations or calculated through a group-contribution method, leading to the computation of all the fluid properties in a fully predictive manner. The good agreement with volumetric, phase composition and interfacial tension data of multiple contact tests confirmed the superior predictive capabilities of the present modeling approach for describing key PVT properties of reservoir fluids.",

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doi = "10.1190/RDP2018-38788160.1",

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T2 - SEG/AAPG/EAGE/SPE Research and Development Petroleum Conference and Exhibition 2018

AU - Pereira, Luís M. C.

AU - Vega, Lourdes F.

AU - Chapoy, Antonin

AU - Tohidi, Bahman

PY - 2018/5/9

Y1 - 2018/5/9

N2 - In this contribution, a robust theoretical approach was applied to predict the interfacial and phase equilibrium properties of real reservoir fluids. The modeling approach was based on an improved version of the Peng-Robinson equation of state (EoS) and on the Density Gradient Theory (DGT) for fluid interfaces. All the EoS and DGT parameters were obtained from literature correlations or calculated through a group-contribution method, leading to the computation of all the fluid properties in a fully predictive manner. The good agreement with volumetric, phase composition and interfacial tension data of multiple contact tests confirmed the superior predictive capabilities of the present modeling approach for describing key PVT properties of reservoir fluids.

AB - In this contribution, a robust theoretical approach was applied to predict the interfacial and phase equilibrium properties of real reservoir fluids. The modeling approach was based on an improved version of the Peng-Robinson equation of state (EoS) and on the Density Gradient Theory (DGT) for fluid interfaces. All the EoS and DGT parameters were obtained from literature correlations or calculated through a group-contribution method, leading to the computation of all the fluid properties in a fully predictive manner. The good agreement with volumetric, phase composition and interfacial tension data of multiple contact tests confirmed the superior predictive capabilities of the present modeling approach for describing key PVT properties of reservoir fluids.

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JF - SEG Global Meeting Abstracts

Y2 - 9 May 2018 through 10 May 2018

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Characterization of reservoir fluids: A predictive model for interfacial and bulk phase equilibrium properties

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