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Positive Torque Modulation Method and Key Technology of Conventional Beam Pumping Unit

Author

Listed:
  • Jinchao Xu

    (Mechanical Science and Engineering Institute, Northeast Petroleum University, Daqing 163318, China)

  • Siyuan Meng

    (Oil Production Engineering Research Institute, Daqing Oilfield Co., Ltd., Daqing 163453, China)

  • Wei Li

    (School of Petroleum Engineering, Northeast Petroleum University, Daqing 163318, China)

  • Yan Wang

    (Mechanical Science and Engineering Institute, Northeast Petroleum University, Daqing 163318, China)

Abstract

The large fluctuation of net torque and the existence of negative torque on the crank output shaft of the beam pumping unit are the decisive factors leading to its low efficiency and high energy consumption. The conventional pumping unit CYJ10-4.2-53HF was selected as the study object on the basis of the fixed shaft secondary balance principle and the positive torque modulation scheme was first proposed according to the following secondary balance principle based on the linkage. The kinematics analysis of the suspension point and the secondary incremental velocity mechanism were carried out using the theory of rigid body plane kinematics. The force analysis of each moving part of the pumping unit was carried out, the net torque expression of the crank output shaft was obtained, and an example calculation was performed. The positive torque beam pumping unit was developed and tested in a field test. The tests showed that the positive torque beam pumping unit was able to fully realize positive torque operation under field well conditions, with a power saving rate of 23.73% and a 14.5% increase in system efficiency, and that the reliability of the pumping unit meets the requirements for field application.

Suggested Citation

  • Jinchao Xu & Siyuan Meng & Wei Li & Yan Wang, 2022. "Positive Torque Modulation Method and Key Technology of Conventional Beam Pumping Unit," Energies, MDPI, vol. 15(9), pages 1-16, April.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:9:p:3141-:d:801941
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    References listed on IDEAS

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    1. Chunyou Zhang & Liang Wang & Hong Li & Lihua Wang, 2020. "Experimental Research on Parameters of a Late-Model Hydraulic-Electromotor Hybrid Pumping Unit," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-17, May.
    2. Chunyou Zhang & Liang Wang & Hong Li, 2020. "Experiments and Simulation on a Late-Model Wind-Motor Hybrid Pumping Unit," Energies, MDPI, vol. 13(4), pages 1-19, February.
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    Cited by:

    1. Jinchao Xu & Wei Li & Siyuan Meng, 2022. "Kinematic and Dynamic Simulation Analysis of Modified Conventional Beam Pumping Unit," Energies, MDPI, vol. 15(15), pages 1-15, July.

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