--> Characterization of reservoir fluids: A predictive model for Interfacial and bulk phase equilibrium properties
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Characterization of reservoir fluids: A predictive model for Interfacial and bulk Previous HitphaseNext Hit equilibrium properties

Luís M. C. Pereira1,2, Lourdes F. Vega1, Antonin Chapoy2, and Bahman Tohidi2


1Gas Research Center and Chemical Engineering Department. The Petroleum Institute, part of the Khalifa University of Science and Technology (KUST), P.O. Box 2533, Abu Dhabi, UAE.
2Intitute of Petroleum Engineering, Heriot-Watt University, EH14 4AS, Edinburgh, UK.


May 9-10, 2018 – AAPG/SEG/EAGE/SPE Middle East Region RDPETRO, Abu Dhabi, UAE

Posted: August 26, 2018

Abstract

In this contribution, a robust theoretical approach was applied to predict the interfacial and Previous HitphaseNext Hit 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, Previous HitphaseTop 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.

AAPG Datapages/Search and Discovery Article #90329©2018 AAPG/SEG/EAGE/SPE Middle East Region RDPETRO, Abu Dhabi, UAE, May 9-10, 2018