New Developments in Multiblock Reservoir Simulation: Black Oil Modeling, Nonmatching Subdomains and Near-Well Upscaling

Abstract

New Developments in Multiblock Reservoir Simulation: Black Oil Modeling, Nonmatching Subdomains and Near-Well Upscaling S. H. Lee; S. H. Lee ChevronTexaco EPTC Search for other works by this author on: This Site Google Scholar C. Wolfsteiner; C. Wolfsteiner ChevronTexaco EPTC Search for other works by this author on: This Site Google Scholar L. J. Durlofsky; L. J. Durlofsky ChevronTexaco EPTC Search for other works by this author on: This Site Google Scholar P. Jenny; P. Jenny ChevronTexaco EPTC Search for other works by this author on: This Site Google Scholar H. A. Tchelepi H. A. Tchelepi ChevronTexaco EPTC Search for other works by this author on: This Site Google Scholar Paper presented at the SPE Reservoir Simulation Symposium, Houston, Texas, February 2003. Paper Number: SPE-79682-MS https://doi.org/10.2118/79682-MS Published: February 03 2003 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Get Permissions Search Site Citation Lee, S. H., Wolfsteiner, C., Durlofsky, L. J., Jenny, P., and H. A. Tchelepi. "New Developments in Multiblock Reservoir Simulation: Black Oil Modeling, Nonmatching Subdomains and Near-Well Upscaling." Paper presented at the SPE Reservoir Simulation Symposium, Houston, Texas, February 2003. doi: https://doi.org/10.2118/79682-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)SPE Reservoir Simulation Conference Search Advanced Search Abstract In multiblock reservoir simulation techniques, the reservoir model is divided into a number of subdomains or blocks. In our current implementation, these blocks are locally structured but globally unstructured. This representation enables the modeling of geometrically complex reservoir features such as fault surfaces and nonconventional wells while avoiding many of the complications of fully unstructured formulations. In this paper, we present several important developments within this frame-work. These include the extension of a previous two phase flow finite volume formulation to the general black oil case, the implementation of techniques for treating systems in which grid lines do not match between adjacent subdomains, and the application of a near-well radial upscaling technique to the multi-block paradigm. Simulation results illustrating the accuracy and efficiency of these new capabilities are presented. These include a black oil simulation for a local well study, flow through a realistic reservoir with several wells and faults, flow through a fault surface represented by nonmatching grid lines, and a two phase flow simulation demonstrating the applicability of the near-well upscaling procedure to multiblock models. With the new developments presented in this paper, the finite volume based multiblock simulator can be applied to a variety of problems of practical interest. Keywords: saturation, simulator, fault plane, grid line, modeling & simulation, local grid refinement, permeability, equation, well model, implementation Subjects: Reservoir Characterization, Fluid Characterization, Reservoir Fluid Dynamics, Improved and Enhanced Recovery, Reservoir Simulation, Formation Evaluation & Management, Phase behavior and PVT measurements, Flow in porous media, Scaling methods, Drillstem/well testing Copyright 2003, Society of Petroleum Engineers You can access this article if you purchase or spend a download.