Coupling of rigorous multiphase flash with advanced linearization schemes for accurate compositional simulation

Conference Paper (2021)
Author(s)

A. S. Abd (Hamad Bin Khlifa University)

Ahmad S. Abushaikha (Hamad Bin Khlifa University)

Denis V. Voskov (TU Delft - Reservoir Engineering)

Research Group
Reservoir Engineering
Copyright
© 2021 Abdul Salam Abd, Ahmad Abushaikha, D.V. Voskov
DOI related publication
https://doi.org/10.2118/203956-MS
More Info
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Publication Year
2021
Language
English
Copyright
© 2021 Abdul Salam Abd, Ahmad Abushaikha, D.V. Voskov
Research Group
Reservoir Engineering
Bibliographical Note
Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.@en
ISBN (electronic)
9781613997475
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Abstract

The properties of fluids flowing in a petroleum reservoir are quantified by understanding the thermodynamic behavior of each flowing phase in the system. This work describes proper techniques to formulate and execute a thermodynamic model for accurately predicting the equilibrium behavior of oil-gas-brine systems within the practical range of pressure and temperature. The three-phase flash algorithm is validated against published data from the available literature. The multiphase flash procedure is implemented to generate linearized physical properties by using an Operator Based Linearization (OBL) modelling technique allowing for a combination of multiple complex physics in the nonlinear solution of governing equations. This is the first implementation of three-phase flash calculations for hydrocarbons and brines based on fugacity-activity models coupled with an advanced highly efficient linearization scheme. Our approach increases the efficiency and flexibility of the modelling process of physical phenomena such as fluid flow in porous subsurface reservoirs.

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