Resumo

NAVARRETE, Joe; MONTALVO, Pamela  e  CONDOR, José. Desarrollo de un modelo predictivo en Excel para el proceso de inyección de agua utilizando el método de Dake-Welge para un reservorio homogéneo de estrato simple. Figempa [online]. 2016, vol.2, n.2, pp.17-26. ISSN 2602-8484.  https://doi.org/10.29166/revfig.v1i2.863.

This predictive model uses the Dake-Welge method for a homogeneous reservoir of a single layer taking into account the segregated flow and the diffusive flow patterns. This module is part of a project to build analysis software for technologies of secondary oil recovery. The development of the model was done in three stages: The first stage consisted in literature review mainly of specialized books of waterflooding. The second stage comprised the creation of an Excel workbook with the theoretical fundamentals. Finally, during the third stage there was a validation of the methodology by comparing the results of the Excel workbook with the commercial software WaterDrive owned. The results obtained in the segregated flow pattern of the model matched the outcomes of the software WaterDrive. The results obtained in the diffuse flow pattern had a maximum error of 1.28 per cent in the breakthrough time. These results probe that the model is robust and it would be ready to test in a pilot project. The decision of developing a methodology using Excel allows the writing of it using any programming language. The positive records obtained from this model give confidence that Ecuadorian universities can replicate commercial software at very low costs.

Palavras-chave : Enhanced oil recovery; Waterflooding; Dake-Welge method; segregated flow; diffusive flow.

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