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Full balanced energy saver for beam-pumping unit

A beam pumping unit and energy-saving device technology, applied in wellbore/well components, production fluids, earth-moving drilling and other directions, can solve the problems of no negative torque, low load rate and low energy consumption in work efficiency, avoiding the wasteful effect

Active Publication Date: 2012-07-18
PUYANG WEIKERUI GASOLINEEUM MACHINERY MFGCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this design is to solve many problems existing in the existing conventional beam pumping unit, and to provide a pumping unit with good balance effect, small net torque pulsation of the crank, no negative torque, high load rate and working efficiency, and low energy consumption. Low fully balanced pumping unit

Method used

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  • Full balanced energy saver for beam-pumping unit
  • Full balanced energy saver for beam-pumping unit
  • Full balanced energy saver for beam-pumping unit

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Embodiment Construction

[0013] Combine below figure 1 , image 3 Explain that the device, the full balance energy-saving device of the beam pumping unit, is mainly composed of an air storage tank 1, a balance cabin 2, a hydraulic cylinder 3, a piston rod 4, a filter 5 and pipelines. The balance cabin 2 is equipped with The balance cabin piston 2-3 divides the balance cabin into an upper cabin 2-1 and a lower cabin 2-2. A pressure gauge 2-4 is provided on the top of the balance cabin to facilitate the control of the gas storage tank 1 and the upper cabin 2-2 of the balance cabin. 1 The pressure of the added inert gas and

[0014] The amount of gas added, the inert gas can be nitrogen or argon. The gas storage tank 1 communicates with the upper cabin 2-1 of the balance cabin through the first pipeline 6-1 at the lower end, and its space is filled with inert high-pressure gas, so that the gas storage tank 1 and the upper cabin 2-1 of the balance cabin 2 Keep the same pressure. The lower end of the p...

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Abstract

The invention relates to oil production equipment, in particular to an energy saver for a beam-pumping unit. The technical scheme includes that the energy saver mainly comprises a gas storage tank, a balance cabin and a hydraulic cylinder, the balance cabin is divided into an upper cabin and a lower cabin by a balance cabin piston, the hydraulic cylinder is divided into an upper cavity and a lower cavity by a hydraulic cylinder piston, the upper cabin of the balance cabin is connected with the gas storage tank, the lower cabin is connected with the upper cavity of the hydraulic cylinder, a piston rod for being connected with a beam of the beam-pumping unit is arranged in the upper cavity of the hydraulic cylinder, and the lower cavity is communicated with air. By the aid of the design in the technical scheme, the balanced energy saver is used for the running process of a conventional unit, the output torque of a transmission is close to the minimum value, the load of a motor is mainly used for overcoming the internal resistance of the pumping unit and friction resistance among a sucker rod, downhole liquid and a component, and an energy-saving effect is extremely obvious.

Description

technical field [0001] The invention relates to oil exploitation equipment, in particular to an energy-saving device for a beam pumping unit. Background technique [0002] Conventional beam pumping unit (referred to as conventional pumping unit) has the advantages of simple structure, easy manufacture, high reliability, good durability, convenient maintenance, and adaptability to field conditions, etc., and occupies a pivotal position in oil production machinery. It will still be the preferred oil recovery equipment in the oil field for a long time to come. However, due to the structural characteristics of the conventional machine itself, it determines that its balance effect is poor, the net torque pulsation of the crank is large, and there are disadvantages such as negative torque, low load rate, low work efficiency and large energy consumption. Contents of the invention [0003] The purpose of this design is to solve many problems existing in the existing conventiona...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/00
Inventor 张玉锐殷江虹傅强
Owner PUYANG WEIKERUI GASOLINEEUM MACHINERY MFGCO
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