Nearwell local space and time refinement in reservoir simulation

Walid Kheriji, Roland Masson and Arthur Moncorgé

Mathematics and Computers in Simulation (MATCOM), 2015, vol. 118, issue C, 273-292

Abstract: In reservoir simulations, nearwell regions usually require finer space and time scales compared with the remaining of the reservoir domain. We present a domain decomposition algorithm for a two phase Darcy flow model coupling nearwell regions locally refined in space and time with a coarser reservoir discretization. The algorithm is based on an optimized Schwarz method using a full overlap at the coarse level. The main advantage of this approach is to apply to fully implicit discretizations of general multiphase flow models and to allow a simple optimization of the interface conditions based on a single phase flow equation.

Keywords: Two phase Darcy flow; Nearwell refinement; Local time stepping; Domain decomposition; Optimized Schwarz methods (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:118:y:2015:i:c:p:273-292

DOI: 10.1016/j.matcom.2014.11.022

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