Thermodynamically consistent analytical approach for streamline simulations of multicomponent hydrocarbon reservoirsстатья

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1. SPE-107511Podgornova_et_al_2007.pdf SPE-107511Podgornova_et_al_2007.pdf 120,3 КБ 8 октября 2015 [AVMyasnikov]

[1] Thermodynamically consistent analytical approach for streamline simulations of multicomponent hydrocarbon reservoirs / O. Podgornova, A. Myasnikov, K. Bratvedt et al. // SPE Europec/EAGE Annual Conference and Exhibition held in London, United Kingdom, 11-14 June 2007. — SPE 107511. — 2007. One of the most challenging problems for reservoir simulation is the computation of a multicomponent flow of compressible fluids in porous media with mass exchange between phases. In this work, we consider a streamline method for two phase compressible multicomponent flows in hydrocarbon reservoirs. We prove, that even with standard PVT procedures performed at each time step at each spatial point, streamline technology maintain its better scaling ability than traditional finite difference/volume technologies. However, we went further and have treated the thermodynamics in terms of Koldoba & Koldoba approach7. The model allows for receiving phase equilibrium curves and other thermodynamic functions in analytical form, thus it achieves the thermodynamic agreement of system and greatly reduces the required computing resources.

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