Study on Test of Characteristics of A New Drum Pumping Unit

doi:10.11885/j.issn.1674-5086.2019.11.09.01

Abstract

Abstract: In order to ensure the long stroke and low stroke motion characteristics of the pumping unit, improve the life and reliability of the commutation system, and to reduce operation noise, a new type of drum pumping unit is developed and a simulation loading test is performed. The test collects real time load and displacement signals in the ideal condition of rod pump oil extraction, and performs curve fitting processing on the collected experimental data to obtain the pump indicator diagram. Through analysis of pump power diagram, we make a study of the features of smoothness and impactlessness features of pump movement under different conditions by giving sucker rod weight load and motion frequency, and got a flattening pump power diagram. In this way, the optimal matching balance weight and stroke of the pumping unit are obtained, achieving stable pumping operation and energy saving. The accuracy of the method and the reliability of the pumping unit\begin{document}$ ' $\end{document}s drive reversing system and balance system are verified through the experiments, which provides new ideas of the type test of the simulated loading characteristics of the pumping unit, and has certain reference values.

Key words: drum pumping unit, pump power diagram, load simulation, frequency, balance weight

CLC Number:

TE93

LIU Yongping, WU Long, WEI Yongqiao, DONG Changbin. Study on Test of Characteristics of A New Drum Pumping Unit[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2022, 44(1): 174-180.

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