CN2813889Y - Oil well variable frequency efficient electromagnetic heating apparatus - Google Patents
Oil well variable frequency efficient electromagnetic heating apparatus Download PDFInfo
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- CN2813889Y CN2813889Y CN 200520024639 CN200520024639U CN2813889Y CN 2813889 Y CN2813889 Y CN 2813889Y CN 200520024639 CN200520024639 CN 200520024639 CN 200520024639 U CN200520024639 U CN 200520024639U CN 2813889 Y CN2813889 Y CN 2813889Y
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Abstract
The utility model relates to a kind of oil well frequency-variable efficient electromagnetic heater in the well recovery equipment, its structure is to be serially connected with some electromagnetic generators on oil pipe, oil pipe top is equipped with insulation loop device, the variable-frequency power sources switch board provides and adds thermopower, two output windings are arranged on the output transformer of variable-frequency power sources switch board, the heatproof cable conductor of series electrical magnetic flux generator, connect the output transformer of variable-frequency power sources switch board through conversion control circuit with insulation loop device cable conductor that is connected and the well head cable conductor that is connected with oil well casing.The utility model is by the control change of conversion control circuit, form two heating systems, both can use separately, also can mix use, produce three kinds and different crude oil is heated the magnetized thick viscosity reduction mode of efficiently falling, satisfied all kinds of height, coagulate, the production needs of heavy oil wells.
Description
Technical field
The utility model relates to a kind of well recovery equipment, specifically a kind of oil well frequency-variable efficient electromagnetic heater.
Background technology
At present, both at home and abroad the oil field to high, coagulate, problem that viscous crude all exists difficult exploitation.Because the content height of the colloid in these crude oil, asphalitine and cured matter etc., so in oil recovery process, owing to the temperature from the shaft bottom to the well head reduces gradually, therefore, phenomenons such as the cured and obstruction of knot just can appear solidifying in crude oil in lifting process, make the oil well can't ordinary production.Utilizing the electromagnetism heating, is a kind of relatively effective and efficient manner that addresses the above problem at present.And existing electromagnetic heater is to be serially connected with some electromagnetic generators on oil pipe, and oil pipe top is equipped with insulation loop device, and the variable-frequency power sources switch board adds thermopower for electromagnetic generator provides.But existing electromagnetic heater has heat and imitates defectives such as low, that fault is many, performance is single, can not satisfy the production needs of all kinds of oil wells.
The utility model content
The purpose of this utility model just provides a kind of heat and imitates oil well frequency-variable efficient electromagnetic heater high, that fault is few, function is many, with satisfy various height, coagulate, the oil extraction operation needs of heavy oil wells.
The utility model is achieved in that oil well frequency-variable efficient electromagnetic heater is to be serially connected with some electromagnetic generators on oil pipe, oil pipe top is equipped with insulation loop device, the variable-frequency power sources switch board provides and adds thermopower, two output windings are arranged on the output transformer of variable-frequency power sources switch board, the heatproof cable conductor of series electrical magnetic flux generator, connect the output transformer of variable-frequency power sources switch board through conversion control circuit with insulation loop device cable conductor that is connected and the well head cable conductor that is connected with oil well casing.
Variable-frequency power sources cabinet control output two-way frequency conversion electric current in the utility model by the control change of conversion control circuit and each cable conductor, forms two heating systems of all making the loop of oil pipe, and they both can use separately, also can mix use.By their are organically combined, can produce three kinds of different crude oil are heated and magnetizedly efficiently fall thick viscosity reduction mode, thereby fully satisfy all kinds of height, coagulate, the production needs of heavy oil wells.
The utility model also can be realized like this: be provided with the heat-insulation and heat-preservation insulating layer that is solidified as a whole with interior pipe outside the interior pipe of described electromagnetic generator, stud with the electromagnetism conductor in the middle of the heat-insulation and heat-preservation insulating layer.Outside the interior pipe of electromagnetic heater, the heat-insulation and heat-preservation insulating layer is set, can restrains outwards scattering and disappearing of heat that electromagnetic heater produces effectively, with concentrate on in the oil pipe the heating by crude oil.Through experimental test, the electromagnetic heater of this form can reduce thermal loss and reach 95%, and the thermal efficiency of heating crude oil is obviously improved.
The utility model also can be realized like this: a joint glass fiber reinforced plastic oil pumping rod is installed on the sucker rod in oil pipe, and its effect is the seal as sucker rod.This is because the utility model is the galvanic circle of doing the electromagnetism heating with oil pipe, and the insulating properties of crude oil in the oil pipe and water is relatively poor, occurs the phenomenon that makes sucker rod charged unavoidably.And on sucker rod, install a joint glass fiber reinforced plastic oil pumping rod additional, thoroughly insulated in the upper end of sucker rod, thereby guarantee the safety of producing.
The utility model can produce the mode of three kinds of different heating, magnetization crude oil, reach three kinds of different heating, magnetization effect, thereby can be according to the oily situation of different oil wells, conversion working method as required fully satisfies all kinds of height thus, coagulates, the production needs of heavy oil wells.Plurality of electromagnetic heater in this electromagnetic heater can rationally be provided with on demand, through oil reservoir, by heating and magnetizing two kinds of effects, make the crude oil intensification magnetization in oil reservoir and the oil pipe, with abundant increase reservoir permeability, improve pump and take out effect, realize oil well production increasing, low consumption and purpose efficiently.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Wherein, the 1st, oil pipe, the 2nd, electromagnetic generator on the pump, the 3rd, electromagnetic generator under the pump, the 4th, the oil reservoir electromagnetic generator, the 5th, heatproof cable conductor, the 6th, cable centralizer, the 7th, insulation loop device, the 8th, cable seal well head, the 9th, temperature controller, the 10th, cable conductor, the 11st, variable-frequency power sources switch board, the 12nd, glass fiber reinforced plastic oil pumping rod, the 13rd, oil well casing connector, the 14th, well head cable conductor, the 15th, oil well casing.
Fig. 2 is the structural representation of the electromagnetic heater in the utility model.
Wherein, the 16th, electromagnetic heater electromagnetism conductor, the 17th, interior pipe, the 18th, heat-insulation and heat-preservation insulating layer.
Fig. 3 is the automatically controlled schematic diagram of electromagnetism mode of heating in the utility model.
Fig. 4 is the automatically controlled schematic diagram of skin mode of heating of becoming in the utility model.
Fig. 5 is the automatically controlled schematic diagram of Hybrid Heating mode in the utility model.
The specific embodiment
As shown in Figure 1, this oil well frequency-variable efficient electromagnetic heater be on the oil pipe 1 by heatproof cable conductor 5 serial connection pumps on electromagnetic generator 3 and oil reservoir electromagnetic generator 4 under the plurality of electromagnetic generator 2, pump; Cable centralizer 6, insulation loop device 7, cable seal well head 8 and the temperature controller 9 of fixing and protection cable still are installed on oil pipe 1; Two output windings on the output transformer of variable-frequency power sources switch board 11 connect heatproof cable conductor 5, cable conductor 10 and well head cable conductor 14 respectively through conversion control circuit.
Electromagnetic heater in this device (as shown in Figure 2) is bonding being wrapped with by resin and fibrous heat-insulation and heat-preservation insulating layer 18 on the outer wall of interior pipe 17, studs with electromagnetism conductor 16 in the middle of the heat-insulation and heat-preservation insulating layer.
The utility model is adjusted the output transformer of variable-frequency power sources cabinet 11 and the connected mode of two heating system stube cable leads by conversion control circuit, can produce following three kinds of different mode of heatings.
1, electromagnetism mode of heating: the electromagnetic heating system heating that the electromagnetism heating mainly is made up of several electromagnetic heaters, at first be that its output two ends are stube cable lead 5 and cable conductor 10 (see figure 3)s respectively with two output winding series connection of variable-frequency power sources switch board 11 output transformers.Utilize cable conductor 5, penetrate by cable seal well head 8, with electromagnetic generator 3,4 series connection of oil reservoir electromagnetic generator under plurality of electromagnetic generator 2, the pump on the pump that is connected on the oil pipe 1, with cable centralizer 6 cable conductor 5 is fixed on the oil pipe 1 simultaneously, lower end at oil reservoir electromagnetic generator 4 is connected with oil pipe 1, through insulation loop device 7 and cable conductor 10, return in the variable-frequency power sources cabinet 11, constitute the closed-loop path.9 pairs of electromagnetic generators of temperature controller are carried out temperature and are controlled automatically.
After the power supply, electric current can generate an electromagnetic field by the electromagnetism conductor 16 of electromagnetic heater, be subjected to the effect in magnetic field, crude oil just produces electromagnetism heat in interior pipe 17 and the pipe, former oil molecule is through magnetization simultaneously, and surface tension descends, and viscosity reduces, and the frequency conversion electric current on the oil pipe 1 of flowing through can make tubing string produce uniform Kelvin effect heat, and the crude oil in the oil pipe is heated up.Heater insulation insulation insulating layer 18 makes heat can not inwardly manage outer scattering and disappearing, and reduces thermal loss.
2, Kelvin effect hot mode: the Kelvin effect mode of heating mainly is a heating system of utilizing oil pipe 1 and oil well casing 15 to form.By the frequency conversion electric current of the oil pipe 1 of flowing through, make oil pipe produce a large amount of Kelvin effect heat.It is two the output winding parallel connections of elder generation with variable-frequency power sources cabinet 11 output transformers, and its output two ends are stube cable lead 10 and cable conductor 14 (see figure 4)s respectively.Utilize cable conductor 10 to connect insulation loop device 7 and oil pipe 1, oil pipe and connector between sleeve pipe 13 and sleeve pipe 15 formation loops by the tubing string lower end again through well head cable conductor 14, return in the variable frequency control cabinet 11.
Send when work electricity, the frequency conversion electric current of oil pipe 1 is flow through in institute, makes whole tubing string produce a large amount of Kelvin effect heat equably, is absorbed by the crude oil in the oil pipe 1 then, makes its temperature rising.
3, Hybrid Heating mode: Hybrid Heating is that electromagnetism mode of heating and Kelvin effect mode of heating is simultaneously shared.At first be that two output windings with variable-frequency power sources cabinet 11 output transformers use separately, common terminal, three outputs are stube cable lead 5, cable conductor 10 and cable conductor 14 (see figure 5)s respectively.
Above-mentioned two heating systems are powered simultaneously, allow electromagnetic heating system and Kelvin effect heating system work simultaneously, make two kinds of effects jointly to the heating crude oil on oil reservoir and the pump, under the pump in the oil pipe, magnetization, can fully adjust the temperature of tubing string diverse location thus, fully satisfy the demand of different well ' s conditions, avoid waste, reach energy-conservation, volume increase, purpose efficiently.
Claims (3)
1, oil well frequency-variable efficient electromagnetic heater, on oil pipe (1), be serially connected with some electromagnetic generators (2,3,4), oil pipe (1) top is equipped with insulation loop device (7), variable-frequency power sources switch board (11) provides and adds thermopower, it is characterized in that two output windings being arranged, the heatproof cable conductor (5) of series electrical magnetic flux generator on the output transformer of variable-frequency power sources switch board (11), connect the output transformer of variable-frequency power sources switch board (11) through conversion control circuit with insulation loop device (7) cable conductor (10) that is connected and the well head cable conductor (14) that is connected with oil well casing (15).
2, oil well frequency-variable efficient electromagnetic heater according to claim 1, it is characterized in that outside the interior pipe (17) of described electromagnetic generator, being provided with the heat-insulation and heat-preservation insulating layer (18) that is solidified as a whole with interior pipe, in the middle of the heat-insulation and heat-preservation insulating layer, stud with electromagnetism conductor (16).
3, oil well frequency-variable efficient electromagnetic heater according to claim 1 is characterized in that being equipped with on the sucker rod in oil pipe (1) a joint glass fiber reinforced plastic oil pumping rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520024639 CN2813889Y (en) | 2005-08-08 | 2005-08-08 | Oil well variable frequency efficient electromagnetic heating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520024639 CN2813889Y (en) | 2005-08-08 | 2005-08-08 | Oil well variable frequency efficient electromagnetic heating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2813889Y true CN2813889Y (en) | 2006-09-06 |
Family
ID=36948975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520024639 Expired - Fee Related CN2813889Y (en) | 2005-08-08 | 2005-08-08 | Oil well variable frequency efficient electromagnetic heating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2813889Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790929A (en) * | 2015-04-20 | 2015-07-22 | 辽宁华孚石油高科技股份有限公司 | Electric preheating device for deep oil sand oil reservoir |
| CN106014338A (en) * | 2016-07-13 | 2016-10-12 | 朱长林 | Oil well shaft power generation and electromagnetic viscosity-reducing wax-prevention heating system |
| CN106761628A (en) * | 2016-12-20 | 2017-05-31 | 中国石油天然气股份有限公司 | Downhole electric heating horizontal well tube rod structure and its oil reservoir heating means |
| CN106837280A (en) * | 2017-03-31 | 2017-06-13 | 中嵘能源科技集团有限公司 | Combined heated lifting device and its heating lifting method |
| CN107387022A (en) * | 2017-09-11 | 2017-11-24 | 山东聊城金泰节能科技有限公司 | A kind of gas well Special electromagnetic circulation tubing and casing anti-block apparatus and its application |
| CN109826603A (en) * | 2019-03-26 | 2019-05-31 | 安徽物迅科技有限公司 | A kind of diving (oil) multi-stag shaft bottom electromagnetic heater |
| CN115110925A (en) * | 2022-07-05 | 2022-09-27 | 东营久森石油科技有限公司 | Electromagnetic frequency conversion intensification viscosity reduction device |
-
2005
- 2005-08-08 CN CN 200520024639 patent/CN2813889Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790929A (en) * | 2015-04-20 | 2015-07-22 | 辽宁华孚石油高科技股份有限公司 | Electric preheating device for deep oil sand oil reservoir |
| CN106014338A (en) * | 2016-07-13 | 2016-10-12 | 朱长林 | Oil well shaft power generation and electromagnetic viscosity-reducing wax-prevention heating system |
| CN106014338B (en) * | 2016-07-13 | 2018-05-29 | 朱长林 | A kind of well wellbore power generation, electromagnetism adhesion reducing and wax preventing heating system |
| CN106761628A (en) * | 2016-12-20 | 2017-05-31 | 中国石油天然气股份有限公司 | Downhole electric heating horizontal well tube rod structure and its oil reservoir heating means |
| CN106837280A (en) * | 2017-03-31 | 2017-06-13 | 中嵘能源科技集团有限公司 | Combined heated lifting device and its heating lifting method |
| CN106837280B (en) * | 2017-03-31 | 2023-09-05 | 中嵘能源科技集团有限公司 | Combined heating lifting device and heating lifting method thereof |
| CN107387022A (en) * | 2017-09-11 | 2017-11-24 | 山东聊城金泰节能科技有限公司 | A kind of gas well Special electromagnetic circulation tubing and casing anti-block apparatus and its application |
| CN109826603A (en) * | 2019-03-26 | 2019-05-31 | 安徽物迅科技有限公司 | A kind of diving (oil) multi-stag shaft bottom electromagnetic heater |
| CN115110925A (en) * | 2022-07-05 | 2022-09-27 | 东营久森石油科技有限公司 | Electromagnetic frequency conversion intensification viscosity reduction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060906 Termination date: 20110808 |