This paper presented the application of streamline simulation and quality maps for optimization of production strategy that can be used for mature and developed field. These support tools permitted to reduce the total computational and time effort, allowing the improvement of the optimization process. Some particular points can be emphasized: 1. The application of the Ef function determined through streamline simulation presented good results for analysis of injector wells. 2. Distribution of injection costs can be generated using streamline simulation and applied to producer wells analysis. 3. The accurate map presents the best correlation between quality index and NPV increase. However, more computation effort was necessary. The use of more or less accurate maps depends on the compromise between time and computational resources and the desirable precision. 4. Final quality maps showed better results for producer and injector wells allocation.
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