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Multi-magnetic field constant temperature energy-saving electromagnetic de-waxing apparatus for oilfield

A multi-magnetic field and constant temperature technology, used in cleaning tools, production fluids, wellbore/well components, etc., to achieve the effect of strengthening magnetization, easy installation, safety, security, and wax removal.

Inactive Publication Date: 2009-07-01
BEIJINGZHONGKE ZHIYU TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The invention aims at the deficiency of existing electromagnetic wax removal and prevention, and provides an energy-saving and safe oil field multi-magnetic field constant temperature energy-saving electromagnetic wax removal device

Method used

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  • Multi-magnetic field constant temperature energy-saving electromagnetic de-waxing apparatus for oilfield
  • Multi-magnetic field constant temperature energy-saving electromagnetic de-waxing apparatus for oilfield

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Embodiment Construction

[0020] In order to further illustrate the oilfield multi-magnetic field constant temperature energy-saving electromagnetic wax removal device of the present invention, a more detailed description will be given below in conjunction with the examples.

[0021] figure 1 is a schematic diagram of two horizontal coils and two vertical coils, figure 2 is an end view seen from one end.

[0022] On the stainless steel pipe 2 with the flange 1, there is an outer cover 3 surrounding the pipe 2, which is divided into three sections. The microcomputer controller is placed on the far left, and is mounted on an annular circuit board 4. Adjacent to this section, there is a pair of two bobbins on which vertical coils 5, 5A are wound. These two coils form a group. The magnetic field generated by the vertical coil is perpendicular to the direction of crude oil flow in the pipeline 2.

[0023] In the third section, two horizontal coils 6, 6A are wound along the pipeline direction. These t...

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Abstract

The present invention discloses a oilfield multi-magnetic field constant temperature energy saving electro-magnetism wax cleaning proof device, which comprises the following steps: set a outer housing on a non-magnetic pipeline provided with two horizontal coil and two vertical coil inside, wherein one end of the outer housing is provided with a ring circuit board with a micro computer controller; the outer housing also contains a temperature sensor, the horizontal coil, the vertical coil and the temperature sensor are connected to the micro computer controller; heat conducting sealing material is filled inside the outer housing; the horizontal coil can be a plurality of groups; the vertical coil can also be a plurality of groups. The oilfield multi- magnetic field constant temperature energy saving electro-magnetism wax cleaning proof device of the present invention is provided with multi- magnetic field that perpendicular to each other, which enhances magnetization to wax molecule, strengths wax cleaning effect; the micro computer can detect coil temperature at any time and adjust size of coil current for constant coil temperature, and improve secure running time of wax cleaner; and can adjust operating parameter according to base oil quality so as to observe working status from the working indicator at any time; the integration design is convenient for mounting, security and anti-theft.

Description

technical field [0001] The invention relates to oil production equipment, in particular to an oilfield multi-magnetic field constant temperature energy-saving electromagnetic wax prevention and removal device. Background technique [0002] Normal alkanes with 16-64 carbon atoms become waxes. At room temperature, pure waxes are white and slightly transparent crystals with a density of 880-905kg / m 3 , melting point 49-60 ℃. Under the conditions of high temperature and high pressure in the oil reservoir, the wax contained in the oil dissolves in the crude oil. When crude oil is extracted, during the flow of crude oil from the underground oil layer into the wellbore and from the bottom of the well to the wellhead, the pressure and temperature gradually decrease, and the dissolved gas is continuously precipitated. When the temperature and pressure drop to the wax precipitation point, the dissolved gas in the crude oil The wax in the tube is precipitated in the form of crystals,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B37/00E21B43/285
Inventor 孙志强孙志刚范颖莉王瑜
Owner BEIJINGZHONGKE ZHIYU TECH DEV
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