An oil extraction motor based on magnetic refrigeration technology

Abstract

The invention provides a petroleum production motor based on a magnetic refrigeration technique, and belongs to the technical field of petroleum machinery. The petroleum production motor is characterized in that when petroleum is produced, a permanent magnet mounted between heat pipes is used for magnetizing magnetic fluids in the heat pipes, metal particles in the magnetic fluids are differentiated into N poles and S poles along the direction of magnetic lines of the permanent magnet, a driver is used for leading 3-phase alternating current to an excitation coil, and the excitation coil senses an alternating magnetic field which is changed according to a sine curve; under the action of the magnetic field, the magnetic fluid in each heat pipe starts to flow; when the magnetic fluid enters the magnetic field, heat is emitted to the outside; when the magnetic field around the magnetic fluid disappears, the magnetic fluid absorbs heat from the outside; by arranging a self-powered air pump in a sealing cavity of a linear motor, the motor can drive the air pump to do reciprocating piston movement in a running process, a working cavity and a cool chamber of the motor can sufficiently realize heat convection, and then the motor can continuously and stably drive a sucker rod to complete petroleum production.

Description

technical field [0001] The invention relates to the technical field of petroleum machinery, in particular to an oil extraction motor based on magnetic refrigeration technology. Background technique [0002] With the continuous development of my country's petroleum industry, oil extraction equipment has been in the process of continuous upgrading. Traditional oil extraction equipment mainly includes oil extraction machines and oil well pump devices. The whole set of equipment consists of ground, downhole and control parts. Traditional mechanical oil extraction machines are generally A rotary motor is used as the power, and the rotary motion of the motor is transformed into the vertical reciprocating motion of the oil production rod through the crank slider mechanism. Due to the long transmission chain, the energy loss is serious during the operation process, and the power factor of the motor is low. In addition, it drives several tons. For heavy sucker rods, the deformation of ...

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Problems solved by technology

[0002] With the continuous development of my country's petroleum industry, oil extraction equipment has been in the process of continuous upgrading. Traditional oil extraction equipment mainly includes oil extraction machines and oil well pump devices. The whole set of equipment consists of ground, downhole and control parts. Traditional mechanical oil extraction machines are generally A rotary motor is used as the power, and the rotary motion of the motor is transformed into the vertical reciprocating motion of the oil production rod through the crank slider mechanism. Due to the long transmission chain, the energy loss is serious during the operation process, and the power factor of the motor is low. In addition, it drives several tons. For heavy sucker rods, the deformation of the rod will be very serious, and even the sucker rod will be worn off or the oil pump tube will be worn out.

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