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Pumping unit energy-saving device

An energy-saving device and a technology for pumping units, which are applied in the fields of production fluids, wellbore/well components, and earth-moving drilling, etc., can solve the problems of energy and loss of the power grid of the impact working system, and achieve the prevention of energy loss, low use cost, and operation. simple effect

Inactive Publication Date: 2017-05-03
WEIFANG SHENGLI GASOLINEEUM MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide an energy-saving device for pumping units to solve the technical problems of impacting the power grid of the working system and energy loss in the stage of useless work in the traditional use of pumping units

Method used

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Embodiment Construction

[0015] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0016] Such as Figure 1 to Figure 3 As shown together, a pumping unit energy-saving device includes a sector gear 2 installed on the output shaft of the reducer 1 of the pumping unit, and the sector gear 2 is connected through a transmission device 3 to eliminate the oil well of the pumping unit. For the back pressure screw pump in the pipeline, the screw pump adopts the single screw pump 4.

[0017] The transmission device 3 includes a transmission shaft 30 rotatably mounted on the frame 7 of the pumping unit. A transmission gear 31 is arranged on the transmission shaft 30. The transmission gear...

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Abstract

The invention belongs to the technical field of pumping units, and particularly relates to an energy-saving device of a pumping unit. The energy-saving device of the pumping unit comprises a sector gear installed on an output shaft of a speed reducer of the pumping unit, wherein the sector gear is in transmission connection through a transmission device and used for eliminating a screw pump with back pressure in an oil well pipeline. The energy-saving device has the beneficial effects of being simple in structure, environmentally friendly, convenient to operate, safe and reliable in operation, economical and applicable, saving energy and improving the working efficiency of the pumping unit.

Description

technical field [0001] The invention belongs to the technical field of pumping units, in particular to an energy-saving device for pumping units. Background technique [0002] The pumping unit is an essential equipment in traditional oil extraction, and generally each crude oil production well uses at least one pumping unit. During the working process of the pumping unit, the donkey head suspension point is affected by two types of loads, namely static load and dynamic load (sucker rod string and liquid column load, vibration and impact load, friction load, etc.), dynamic load is inertial load, The inertial load acting on the suspension point divides the upstroke into four stages as the speed changes, the acceleration load increase process, the uniform speed load reduction process, the acceleration load reduction process and the deceleration load increase process. The stage of the loading process corresponds to the process in which the donkey head of the pumping unit descen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B43/00
Inventor 曲祯祥曲丽李瑞刚
Owner WEIFANG SHENGLI GASOLINEEUM MACHINERY
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