Identificação de Estáticas em Poços de Petróleo utilizando Motifs

• Daniel Folador Rossi IFES
• Karin Satie Komati IFES
• Mateus Conrad Barcellos da Costa IFES

DOI: https://doi.org/10.5753/semish.2023.230748

Abstract

The identification of build-ups is a crucial step in the analysis of formation damage in oil wells, wich can be considered a laborious and error-prone process. This article discusses an approach to this process based on the search for Motifs in time series of pressure data. Three distinct methods were evaluated in the study: a pure Motifs detection algorithm and combinations of the Motifs detection algorithm with the Derivative method and the Convolution Filter method. Tests were performed on ten sets of synthetic data. The method that achieved the best performance in the F_0.5 metric was the Motifs detection algorithm combined with the derivative method.

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