Elastodynamic Analysis of the Sucker Rod Pumping System Mechanism

  • N. DumitruEmail author
  • N. Craciunoiu
  • R. Malciu
  • N. Ploscaru
Conference paper
Part of the Mechanisms and Machine Science book series (Mechan. Machine Science, volume 24)


The paper aims to identify the dynamic response of the oil pumping unit system mechanism using the analytical method and the experimental method. By numerical processing of the developed mathematical models for longitudinal and transverse vibrations of the mechanism connecting rod and walking beam, the time variation diagrams of the linear elastic displacement were obtained in the Maple programming environment. In order to confirm the theoretical results but also for a complex analysis of the entire pumping system, there was determined the force acting upon the polished rod and there were compared the values obtained by calculus and the values experimentally determined for the angle of rotation of the walking beam. Permanent monitoring of the pumping rod mechanical stress and vibration acceleration might contribute to more efficient operation of oil deep extraction wells.


Beam pumping unit system Walking beam Polished rod Acceleration of vibration 


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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • N. Dumitru
    • 1
    Email author
  • N. Craciunoiu
    • 1
  • R. Malciu
    • 1
  • N. Ploscaru
    • 1
  1. 1.University of CraiovaCraiovaRomania

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