Application of Fourier descriptors and Pearson correlation for fault detection in Sucker Rod pumping system

  • Authors:

  • Fábio Soares De Lima;Luiz Affonso H. Guedes;Diego R. Silva

  • Affiliations:

  • Petróleo Brasileiro S.A., Aracaju, SE, Brazil;Universidade Federal do Rio G. do Norte, Natal, RN, Brazil;Instituto Federal de Educação Natal, RN, Brazil

  • Venue:
  • ETFA'09 Proceedings of the 14th IEEE international conference on Emerging technologies & factory automation
  • Year:
  • 2009

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Abstract

This paper presents a study of a new proposal for down-hole dynamometer cards patterns for the automatic fault diagnosis of Sucker Rod Pumping System. The accuracy and quick identification of down-hole problems is essential to the risk decrease and production improvement of the petroleum industry. The main idea is a card recognition through a digital image processing (Fourier Descriptors) and statistical (Pearson Correlation) tools. Successful results were reached when this proposal was applied in simulated cards and PETROBRAS real cards.