Positive Torque Modulation Method and Key Technology of Conventional Beam Pumping Unit
Energies, 2022 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.
Jinchao Xu +3 more
doaj +4 more sources
Identification of the Four-Bar Linkage Size in a Beam Pumping Unit Based on Cubature Kalman Filter
Machines, 2022 While the size of the four-bar linkage is the basis of kinematic performance analysis in a beam pumping unit, there is still a lack of effective and direct measurement of it.
Jiaojian Yin, Dong Sun, Hongzhang Ma
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Kinematic and Dynamic Analysis of Eccentric Balanced Positive Torque Pumping Unit
MachinesBeam pumping units have numerous energy transfer links, significant net torque fluctuations and negative net torque in gear boxes, which lead to a high installed power and low system efficiency.
Jinchao Xu +4 more
doaj +3 more sources
Mechanical Analysis and Kinematic Simulation of Reversing Mechanism for Gear Guide-rod Pumping Unit
Jixie chuandong, 2021 Aiming at the low stroke times motion characteristics badly of beam pumping units，a reversing mechanism for gear guide-rod pumping units is analyzed. The reversing mechanism is mainly composed of a long rod incomplete gear，a rack moving frame，a roller ...
Jun Shao +3 more
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Full scale test of ZXCY-Series linear motor pumping units
Petroleum Exploration and Development, 2008 To solve the technical problem of the great propulsion permanent magnet synchronous linear motor, the ZXCY-Series linear motor pumping unit is developed.
Yu-hong GU +4 more
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Design and performances of a compact differential pumping unit for X-ray beamlines [PDF]
Journal of Synchrotron RadiationIn this contribution, we present a compact differential pumping unit with apertures ≥500 µm. It allows windowless operation for in-air sample environments as well as to connect low-quality in-vacuum sample environments to the beamline UHV (≤10−8 mbar ...
Cristian Maccarrone +2 more
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Dynamic coupling modelling and application case analysis of high-slip motors and pumping units. [PDF]
PLoS ONE, 2020 To solve the issues and difficulties in the high-coupling modelling of beam pumping units and high-slip motors, external characteristic experiments of high-slip motors were performed where the external database and characteristic correlation equations of
Ziming Feng +5 more
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Novel physical network algorithm for indirect measurement of polished rod load of beam-pumping unit
The Journal of Engineering, 2019 A novel neural network algorithm for indirect measurement of the polished rod load of the beam-pumping unit is proposed. The dynamometer card is a two-dimension graph of polished rod load versus horse head position, and it is widely used for working ...
Ke Wang +6 more
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Assessment of load of beam-balanced pumping units by electric motor power indicators
Записки Горного института, 2017 The results of experimental studies on the loading of beam-balanced pumping units (BP) of sucker rod- pumping equipment (SRPE) are presented. It is noted that the key factor that has the most significant effect causing the SRPE failure is the balance of ...
D. I. Shishlyannikov, A. A. Rybin
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Analysis of Variable Frequency Energy-Saving Operation of Beam Pumping Unit
IOP Conference Series: Materials Science and Engineering, 2018 The frequency converter has been applied in the beam pumping unit, but the field application is still immature, and the energy saving effect is not ideal.
Jinping He +5 more
openaire +2 more sources