Mesh convergence study for oil recovery analysis in stratified reservoir using the Grid Convergence Index method
DOI:
https://doi.org/10.14808/sci.plena.2024.114201Keywords:
oil reservoir, fluid dynamics simulation, Grid Convergence IndexAbstract
Fossil fuels remain essential for meeting global energy demand, making advancements in oil recovery technologies crucial. The use of Computational Fluid Dynamics (CFD) software is essential in this process. However, to ensure error-free discretization analysis, it's necessary to evaluate mesh convergence in simulations. This study conducted a mesh convergence analysis of a stratified oil reservoir in three-dimensional simulations using the Grid Convergence Index (GCI) suggested by the American Society of Mechanical Engineers (ASME). The aim is to enable future oil recovery analyses in stratified reservoirs, ensuring that domain discretization does not affect results. Three different meshes generated in ICEM CFD were used to simulate water injection for oil recovery in a synthetic reservoir with three layers each 2 meters deep. A five-spot inverted well scheme was used, with one central injector well and four producer wells. Oil saturation was monitored at points along the reservoir between the injector well and one of the producer wells. Results from Ansys CFX Solver 14.0 showed satisfactory convergence in the intermediate and finer meshes, with an average GCI of 1.42%. This study can provide a solid foundation for future investigations into oil recovery in stratified reservoirs
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Copyright (c) 2024 Fernanda Nayara Rodrigues Pereira Santana, Gabriel Francisco Da Silva, Hannah Lícia Cruz Galvão, Samia Tássia Andrade Maciel, João Paulo Lobo dos Santos, Luiz Carlos Lobato dos Santos, Rogério Luz Pagano, Acto de Lima Cunha
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