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Intelligent linear-motor oil production system

A technology for linear motors and oil production systems, applied in control systems, propulsion systems, AC motor control, etc., can solve problems such as narrow application range, achieve high pump cavity filling, avoid harmonic pollution, and save floor space

Inactive Publication Date: 2013-04-24
杨超
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is usually only suitable for oil wells with large displacement and high water content, so the scope of application is narrow

Method used

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] See figure 1 The intelligent linear motor oil recovery system shown includes a linear motor 2, a centralizer 1 is installed at one end of the linear motor 2, and a plunger pump 3 is connected to the other end of the linear motor 2, and the plunger pump 3 is connected to the oil delivery pipe 5 and the wellhead oil pipe 8 . The linear motor 2, the plunger pump 3 and the oil delivery pipe 5 of the present embodiment are all installed in the downhole well pipe 4, and the cable 7 of the linear motor 2 is connected with the control part 6 on the ground after being drawn out, and is connected with the power supply through the control part 6.

[0024] See figure 2 The structure of the linear motor is given. The linear motor 2 of this embodiment includes a casing 14, in which a plurality of stator windings 12 are spaced through installed stator end p...

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Abstract

The invention discloses an intelligent linear-motor oil production system. The intelligent linear-motor oil production system comprises an underground linear motor and is connected with a plunger pump through the linear motor, wherein the linear motor is also connected with a control part. According to the intelligent linear-motor oil production system, a cylindrical synchronizing linear motor, a plunger oil pump and a ground high-performance frequency conversion control part are adopted, thereby mechanical-electrical integration can be realized, and complicated speed reducing devices can be omitted; a frequency conversion control system is adopted, so that the intelligent linear-motor oil production system has an automatic voltage boosting and maintaining function, therefore, the harmonic pollution to a power grid can be avoided, the equipment can be remotely controlled, and running parameters can be adjusted; once underground oil is in an insufficient state, the frequency of stroke can be automatically reduced, so that high degree of filling of a chamber of the pump can be realized, and over 50% of energy can be saved for the system; in addition, the intelligent linear-motor oil production system is convenient and quick to transport, install and maintain, about 85% of floor area can be saved, and a pumping rod mechanism is omitted, so that the pumping period is greatly prolonged, and the continuous working time is increased.

Description

technical field [0001] The invention relates to oil extraction equipment, in particular to an intelligent linear motor oil extraction system. It can replace traditional oil extraction equipment. Background technique [0002] At present, oil production equipment widely used in China mainly includes oil beam pumping unit (kowtow pumping unit) and centrifugal submersible oil pump. The common disadvantages of traditional pumping units are high energy consumption and low efficiency. Taking the oil beam pumping unit as an example, its ground equipment weighs tens of tons, is bulky, and requires a large area. In addition to the pump, there are a lot of sucker rods in the well, which consume a lot of steel. In addition, the operation reliability of the equipment is poor, especially in the operation of the sucker rod, it is very easy to have partial side and partial wear, so it not only increases the maintenance cost of the equipment, but also affects the normal production volume. ...

Claims

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Application Information

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IPC IPC(8): F04B47/06F04B49/06H02P25/06H02K41/03H02P25/032
Inventor 杨超
Owner 杨超
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