CN201443360U - Oil well electromagnetic heater - Google Patents

Oil well electromagnetic heater Download PDF

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Publication number
CN201443360U
CN201443360U CN2009200282572U CN200920028257U CN201443360U CN 201443360 U CN201443360 U CN 201443360U CN 2009200282572 U CN2009200282572 U CN 2009200282572U CN 200920028257 U CN200920028257 U CN 200920028257U CN 201443360 U CN201443360 U CN 201443360U
Authority
CN
China
Prior art keywords
oil well
oil
outlet
heating device
inlet tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009200282572U
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Chinese (zh)
Inventor
王宏
王晓明
李辛庚
王学刚
闫风洁
雒利勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
Original Assignee
Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd filed Critical Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
Priority to CN2009200282572U priority Critical patent/CN201443360U/en
Application granted granted Critical
Publication of CN201443360U publication Critical patent/CN201443360U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an oil well electromagnetic heater which has the advantages of high thermal efficiency, fast heating speed, capability of oil production and oil transportation at cryogenic environment, and the like. The heater comprises a fixed support which is provided with a heating barrel that is communicated with an inlet pipe and an outlet pipe; the heating barrel is provided with the electromagnetic heater which is connected with a power supply device; the inlet pipe and the outlet pipe are provided with temperature measuring devices which are connected with a control device; and the control device is connected with the power supply device.

Description

A kind of electromagnetic heating device for oil well
Technical field
The utility model relates to a kind of electromagnetic heating device for oil well, belongs to oilfield extracting device of oil class.
Background technology
At present, along with the oil reservoir exploitation that deepens continuously, heavy oil wells, high-solidifiability oil well quantity constantly increase.Recover the oil and the oil transportation process in, viscous crude and the high oil that coagulates can occur solidifying phenomenons such as wax deposition and obstruction under low-temperature condition, make oil recovery and the oil transportation can't ordinary production.
Usually adopt gas fired-boiler or coal-burning boiler to add hot water or steam in the prior art, hot water or steam are injected oil well from oil pumping mouthful, with viscous crude with after coagulating the oil dilution or melting, to keep normal oil pumping.By on pipeline road, coating electric blanket the petroleum pipeline heating is coagulated oil to reach the dilution viscous crude with height, to guarantee normal oil transportation.Existing solution heavy oil wells and high-solidifiability oil well recover the oil and the technology of oil transportation exists heat to imitate defectives such as low, that performance is single, cause crude oil icing and can't normally recover the oil and oil transportation because temperature reduces especially in the winter time.
The utility model content
The purpose of this utility model is to address the above problem, provide a kind of heat imitate high, firing rate is fast, satisfy under the low temperature environment recover the oil, the electromagnetic heating device for oil well of oil transportation.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of electromagnetic heating device for oil well, it comprises fixed support, and described fixed support is provided with the cartridge heater with inlet tube and outlet UNICOM, and described cartridge heater is provided with electromagnetic heater, and electromagnetic heater is connected with supply unit; Be provided with temperature measuring equipment on inlet tube and outlet, temperature measuring equipment is connected with control device, and control device is connected with supply unit.
Described electromagnetic heater is connected with cooling unit with supply unit.
Described electromagnetic heater is the induction coil that is wrapped on the cartridge heater.
Described supply unit comprises transformer and variable-frequency power sources, connects by cable between the two; Variable-frequency power sources also is connected with control device; Transformer also is connected with cooling unit.
It is circular that described induction coil adopts copper pipe to do, and leads to cooling water in the copper pipe, and be connected with cooling unit, and cooling unit is a cooling water tank, and cooling water tank is connected by flexible pipe with transformer.
Described temperature measuring equipment comprises the thermometer II that is arranged on inlet tube and is arranged on the thermometer I of outlet that wherein thermometer I is connected with control device.
Described inlet tube is provided with flow meter, and the mouth of pipe place of inlet tube is provided with flange II; Described outlet is provided with pressure gauge and safety valve, and the mouth of pipe place of outlet is provided with flange I.
Electromagnetic heating device for oil well in the utility model comprises fixed support, induction coil, cartridge heater, switch board, variable-frequency power sources, cooling water tank etc.Cartridge heater is installed on the fixed support, and induction coil is wrapped in the cartridge heater outer ring, and links to each other with variable-frequency power sources by transformer.Cartridge heater adopts steel pipe to make the hollow cylinder shape, and it is circular that induction coil adopts copper pipe to do, logical cooling water in the copper pipe.During the induction coil energising, produce magnetic field, magnetic field can be heated cartridge heater and inner fluid thereof.
Cooling water tank is installed on the fixed support, and it is connected with transformer, induction coil by flexible pipe, its objective is cooling induction coil and transformer.The entrance point of cartridge heater is equipped with flange, flow meter, thermometer, and the port of export is equipped with flange, pressure gauge, thermometer, safety valve.Flange is used for being connected with oil well, and thermometer is a temperature of measuring fluid, so that the control fluid temperature (F.T.), safety valve is the unnecessary gas that is used for discharging in the cartridge heater, so that protection cartridge heater trouble free service.
The thermometer that the cartridge heater port of export is installed is connected with switch board by holding wire, and switch board is installed in the variable-frequency power sources.According to the temperature value of thermometer, can adjust variable-frequency power sources power output, satisfied temperature requirement by switch board.
The beneficial effects of the utility model are, can realize the Fast Heating of convection cell, and efficiency of heating surface height satisfies that low temperature environment recovers the oil and the requirement of oil transportation.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the work schematic diagram of the utility model in oil recovery;
Fig. 3 is the work schematic diagram of the utility model in oil transportation.
Wherein: 1-flange I 2-safety valve 3-pressure gauge 4-outlet 5-thermometer I 6-transformer 7-fixed support 8-holding wire 9-switch board 10-variable-frequency power sources 11-cable 12-flexible pipe 13-cooling water tank 14-thermometer II 15-inlet tube 16-flange II 17-flowmeter 18-cartridge heater 19-induction coil 20-oil pipe 21-well face 22-petroleum pipeline 23-hollow rod 24-valve I 25-petrol station 26-valve II 27-valve III 28-valve IV.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Among Fig. 1, it comprises fixed support 7, is provided with inlet tube 15 and outlet 4 on fixed support 7, and wherein the mouth of pipe place of inlet tube 15 is provided with flange II16, also is provided with flow meter 17 and thermometer II14 on the inlet tube 15; On the mouth of pipe of outlet 4, be provided with flange I1, on outlet 4, also be provided with safety valve 2, pressure gauge 3 and thermometer I5 simultaneously.Cartridge heater 18 of UNICOM between inlet tube 15 and outlet 4, be wound with induction coil 19 on cartridge heater 18, induction coil 19 is connected with transformer 6, and transformer 6 is connected with variable-frequency power sources 10 by cable 11, variable-frequency power sources 10 is connected with control device, and control device is a switch board 9.Switch board 9 also is connected with thermometer I5 by holding wire 8 simultaneously.Induction coil 19 is a hollow, is connected with cooling water in it, and cooling water is from cooling water tank 13, and transformer 6 is connected with cooling water tank 13 by flexible pipe 12 simultaneously.Two temperatures meter in the utility model also usable temp sensor replaces.
The operating principle of this device is: there is flange II16 (as shown in Figure 1) inlet tube 15 ends, and outlet 4 ends have flange I1 to link to each other with the outside.Cryogen enters cartridge heater 18 through inlet tube 15, becomes high temperature fluid after sensed circle 19 heating, flows out through outlet 4.Induction coil 19 links to each other with variable-frequency power sources 10 by transformer 6, and variable-frequency power sources 10 is given induction coil 19 indirect currents, produces alternating magnetic field in the induction coil 19, thereby makes cartridge heater 18 heatings, reaches the function that adds hot fluid.On cartridge heater 18 outlets 4 thermometer I5 is installed, thermometer I5 is connected with switch board 9 by holding wire 8, and switch board 9 is installed in the variable-frequency power sources 10.The temperature signal of switch board 9 detected temperatures meter I5, by with the comparison of setting value, adjust the power output of variable-frequency power sources.
Cooling water tank 13 is connected with transformer 6 with induction coil 19 by flexible pipe 12, and it is carried out the water flowing heat radiation.On heater 18 outlets 4 safety valve 2 is housed, when the demonstration of the pressure gauge on the outlet 43 surpassed setting value, safety valve 2 was opened exhaust automatically, so that protection cartridge heater 18 trouble free services.
The utility model realizes that in oil recovery, oil transportation the electromagnetism heating function is to realize like this.
In oil extraction system (Fig. 2), the utility model is installed on the well face 21, and its outlet 4 is connected with oil well hollow rod 23, and inlet tube 15 is connected with oil pipe 20.Crude oil in the oil pipe 20 is heated after inlet tube 15 enters the utility model, and the fluid after the heating enters hollow rod 23 through outlet 4, enters oilbearing stratum by hollow rod, and underground crude oil is heated.Underground crude oil is pumped to well face 21 places under the effect of hollow rod 23, wherein a part of crude oil enters petroleum pipeline 22, and a part of crude oil enters into the utility model and is heated once more, thus the circulation heating in crude oil.
In pipeline road (Fig. 3), the utility model is installed on the well face 21, and it is by valve I24, and valve II26 is connected with petroleum pipeline 22.When needs heated crude oil, valve-off III27, valve IV28 opened valve I24, valve II26, and crude stream enters oil station 25 after the utility model is heated, avoid petroleum pipeline 22 to influence oil transportation because of the crude oil sharp freezing.

Claims (7)

1. electromagnetic heating device for oil well, it comprises fixed support, it is characterized in that, and described fixed support is provided with the cartridge heater with inlet tube and outlet UNICOM, and described cartridge heater is provided with electromagnetic heater, and electromagnetic heater is connected with supply unit; Be provided with temperature measuring equipment on inlet tube and outlet, temperature measuring equipment is connected with control device, and control device is connected with supply unit.
2. electromagnetic heating device for oil well as claimed in claim 1 is characterized in that, described electromagnetic heater is connected with cooling unit with supply unit.
3. electromagnetic heating device for oil well as claimed in claim 1 is characterized in that, described electromagnetic heater is the induction coil that is wrapped on the cartridge heater.
4. electromagnetic heating device for oil well as claimed in claim 1 is characterized in that described supply unit comprises transformer and variable-frequency power sources, connects by cable between the two; Variable-frequency power sources also is connected with control device; Transformer also is connected with cooling unit.
5. as claim 3 or 4 described electromagnetic heating device for oil well, it is characterized in that it is circular that described induction coil adopts copper pipe to do, lead to cooling water in the copper pipe, and be connected with cooling unit, cooling unit is a cooling water tank, and cooling water tank is connected by flexible pipe with transformer.
6. electromagnetic heating device for oil well as claimed in claim 1 is characterized in that, described temperature measuring equipment comprises the thermometer II that is arranged on inlet tube and be arranged on the thermometer I of outlet that wherein thermometer I is connected with control device.
7. as claim 1 or 6 described electromagnetic heating device for oil well, it is characterized in that described inlet tube is provided with flow meter, the mouth of pipe place of inlet tube is provided with flange II; Described outlet is provided with pressure gauge and safety valve, and the mouth of pipe place of outlet is provided with flange I.
CN2009200282572U 2009-07-08 2009-07-08 Oil well electromagnetic heater Expired - Fee Related CN201443360U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200282572U CN201443360U (en) 2009-07-08 2009-07-08 Oil well electromagnetic heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200282572U CN201443360U (en) 2009-07-08 2009-07-08 Oil well electromagnetic heater

Publications (1)

Publication Number Publication Date
CN201443360U true CN201443360U (en) 2010-04-28

Family

ID=42548036

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009200282572U Expired - Fee Related CN201443360U (en) 2009-07-08 2009-07-08 Oil well electromagnetic heater

Country Status (1)

Country Link
CN (1) CN201443360U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101634219B (en) * 2009-07-08 2011-05-04 山东电力研究院 Electromagnetic heating device for oil well

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101634219B (en) * 2009-07-08 2011-05-04 山东电力研究院 Electromagnetic heating device for oil well

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: STATE ELECTRIC NET CROP.

Effective date: 20130523

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 250100 JINAN, SHANDONG PROVINCE TO: 250002 JINAN, SHANDONG PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20130523

Address after: 250002 Ji'nan City Central District, Shandong, No. 2 South Road, No. 500

Patentee after: Shandong Research Inst. of Electric Power

Patentee after: State Grid Corporation of China

Address before: 250100, No. 500, South Second Ring Road, Shizhong District, Shandong, Ji'nan

Patentee before: Shandong Research Inst. of Electric Power

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100428

Termination date: 20180708