Results 11 to 20 of about 30,021 (263)
Construction principle of automatic control system adjustable multi-engine drive water lift pump unit [PDF]
E3S Web of Conferences, 2023 The article discusses the issues of the principle of constructing an automatic control system for a multi-motor controlled electric drive with an electrical connection along the rotor chain of asyn-chronous electric motors with phase rotors and a common ...
Khamudkhanova Nargiza +2 more
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Dynamic coupling modelling and application case analysis of high-slip motors and pumping units.
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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Research on mechanical characteristics and safety of working platform in rod pumping process
Advances in Mechanical Engineering, 2022 Rod pumping on offshore platform provides a solution to low efficient extraction of offshore heavy oil and the safety of working platform is the prerequisite for the implementation of this new technology.
Feng Dehua +4 more
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Известия Томского политехнического университета: Инжиниринг георесурсов, 2022 Relevance. Drive balance is one of the key factors determining the efficiency of well operation by downhole rod pump units. This is of particular importance for stripper wells, which operate at the margin of profitability due to low flow rates and high ...
Kamil R. Urazakov, Pavel M. Tugunov
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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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Frontiers in Energy Research, 2023 Aiming at the method of solving the optimization scheme for urban tidal drainage pumping stations during heavy rainfall below the urban drainage design standard, and the problems such as the mismatch between the head and water level of pumping stations ...
Gong Yi, Zou Wenhao
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Development and Application of Ball Screw Pumping Unit
Shiyou jixie, 2021 At present, 12,000 rod pumped wells are implementing intermittent pumping system in the Daqing Oilfield, however, due to insufficient downhole feed flow, the use of conventional walking-beam pumping unit seriously affects the economic, efficient, energy ...
Zheng Dongzhi
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Известия высших учебных заведений: Проблемы энергетики, 2021 TARGET. The purpose of this work is to develop a method for diagnostics of equipment of sucker rod pumping units (SRPU) during operation according to the parameters of the wattmetrogram. A wattmetering module is used as a measuring element, the developed
V. A. Manakhov, A. N. Tsvetkov
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Design and Dynamic Performance Analysis of Eccentric Wheel Pumping Unit
Shiyou jixie, 2020 The guide rod pumping unit with a larger extreme position angle is beneficial to the exploitation of low-yield wells. The rack and pinion shift can make the transmission more stable.
Shao Jun, Hu Guodong, Wang Dewei
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Algorithms, 2019 Background subtraction plays a fundamental role for anomaly detection in video surveillance, which is able to tell where moving objects are in the video scene.
Tianming Yu, Jianhua Yang, Wei Lu
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