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Type: Artigo
Title: Simulation of polymer flooding considering size model increase and economic evaluation
Author: Sanches, Kemily Keiko Miyaji
Moreno, Rosangela Barros Zanoni Lopes
Abstract: The water flooding is widely used because it is relatively simple and inexpensive. However, this method presents some disadvantages. Since water is usually less viscous than the oil, the water tends to arrive soon and in large quantities at the producer well, resulting in a low oil production due to the low swept efficiency. These conditions motivate the use of advanced recovery methods, and among them, polymer injection stands out. In this paper, the oil recovery by water injection alternated with polymer slug (WAP) is compared with continuous water flooding (WF). Variations on slug size, injection starting time of the polymer slug, relative permeability curves, polymer viscosity and mobile oil saturation were evaluated. Subsequently, the model was submitted to a size increase, and these results were used in economic analysis based on the net present value (NPV). The information obtained helps to understand how the oil recovery factor is influenced by changes in flooding conditions. The upsizing process doesn’t present distortions when comparing different scale models. The differences in oil recovery factor and water-oil ratio were lower than 0.2%. The integration of EOR results and oil prices encourage the project viability analysis
Subject: Polímeros
Country: Estados Unidos
Editor: Taylor & Francis
Rights: Fechado
Date Issue: 2017
Appears in Collections:FEM - Artigos e Outros Documentos

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