CN105873255A - Electromagnetic induction heating system of high-temperature and high-pressure test well - Google Patents
Electromagnetic induction heating system of high-temperature and high-pressure test well Download PDFInfo
- Publication number
- CN105873255A CN105873255A CN201610313788.0A CN201610313788A CN105873255A CN 105873255 A CN105873255 A CN 105873255A CN 201610313788 A CN201610313788 A CN 201610313788A CN 105873255 A CN105873255 A CN 105873255A
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- temperature
- pressure test
- high temperature
- electromagnetic induction
- induction heating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/101—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces
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- Electromagnetism (AREA)
- General Induction Heating (AREA)
Abstract
Provided is an electromagnetic induction heating system of a high-temperature and high-pressure test well. The peripheral face of a high-temperature and high-pressure test shaft is completely covered by using a heat preservation and insulation layer, non-magnetic material battens are axially installed on the outside circumference of the heat preservation and insulation layer at intervals, and high-frequency induction coils pass through the non-magnetic material battens and are wound and arranged on the outer circumferential face of the heat preservation and insulation layer. Multiple external temperature measuring elements are fixed to the non-magnetic material battens. The outmost layer of the high-temperature and high-pressure test shaft is an outer protective sleeve. An internal temperature sensor is installed in the high-temperature and high-pressure test shaft. The external temperature measuring elements and the internal temperature sensor perform signal transmission with a computer temperature control system, and the computer temperature control system is in signal connection with high-frequency power units. The high-frequency induction coils are connected with the high-frequency power units. The electromagnetic induction heating system can measure the temperature of a test medium through a temperature measuring head, controls the output power of the high-frequency power unit modules through temperature measuring signal feedback and achieves accurate test temperature control.
Description
Technical field
The invention mainly relates to petroleum drilling and mining industry experimental technique field, specifically for the interview of petroleum drilling and mining downhole tool ground
Test high temperature and pressure test well used and a kind of electromagnetic induction heating system is provided.
Technical background
Along with the minimizing of earth petroleum reserves, heavy crude reservoir, ultradeep well oil reservoir yield strengthen, in recovery process year by year
Downhole tool is usually operated in high temperature and high pressure environment, and therefore downhole tool under high pressure resistance to elevated temperatures is a technology difficulty
Topic.In order to test downhole tool high voltage performance under hot environment, need design-build High Temperature High Pressure simulation test well, in test
The built-in vertical downhole environment temperature of pit shaft carries out downhole tool pressure test, develops and is applicable to resistant to elevated temperatures downhole tool, meets and bores
Well and the needs of DP technology.Hot test well uses most heat forms to be heat-conducting oil heating at present, and its principle can be the most general
Including as: heating heating conduction oil, conduction oil is squeezed into the heating mantle annular space outside experimental wwll cylinder by high temperature circulation pump, is passed through
With test well barrel heat exchange, then by experimental wwll cylinder heating within test(ing) medium.This method is many due to heat transfer process, equipment and
Circulation manifold heat dissipation capacity is big, and the thermal efficiency is low, and heat time heating time is long.
Summary of the invention
The present invention provides a kind of high temperature and pressure test well electromagnetic induction heating system, can be by the examination in high-potting pit shaft
Test the test temperature that medium is heated rapidly to require, the High Temperature Simulation examination of petroleum drilling and mining downhole tool can be completed in laboratory
Test, detect downhole tool high-pressure tightness in high temperature environments.
To this end, the technical solution adopted in the present invention is as follows:
A kind of high temperature and pressure test well electromagnetic induction heating system, controls system including high temperature and pressure test pit shaft and computer temperature
System, the outer peripheral face heat insulation layer of this high temperature and pressure test pit shaft wraps up all standing, in the exterior periphery of this heat insulation layer
Axially spaced-apart installs non-magnet material lath, and radio-frequency induction coil crosses non-magnet material lath and winding is arranged in heat insulation layer
Outer circumference surface on；Many outside temperature elements are fixed on non-magnet material lath；The outermost layer of high temperature and pressure test pit shaft
It it is outer jointing jacket cylinder；In high temperature and pressure test pit shaft, internal temperature sensor is installed；Described outside temperature element and inside temperature
Degree sensor is transmitted by signal cable and computer temperature control system signal, and computer temperature control system is to high frequency afterwards
Power cell sends instructions to regulate and controls output size；Radio-frequency induction coil is connected to high frequency power by power cable simultaneously
Unit.
On described non-magnet material lath, interval has small arc-shaped groove along its length, and radio-frequency induction coil is along this roundlet
Arc groove is wound around.
Described internal temperature sensor is by temperature measuring head, stainless steel tube armored cable, transition seal head and multi-pin connector successively
It is formed by connecting.
The present invention uses electromagnetic inductive heating principle, radio-frequency induction coil to be wrapped in experimental wwll cylinder outer wall, after coil electricity
Producing high frequency electric, and then produce the alternating magnetic field changed at a high speed, metal well barrel (magnetic conductor) cutting alternate magnetic force line, at cylinder
Pars intramuralis produces alternation faradic current (i.e. current vortex), and current vortex makes the metallic molecule high speed random motion of well bore wall, mutually
Collision, friction produce heat, so that well bore wall self fast heating, complete electric heating conversion.Owing to well bore wall is direct as thermal source
Heating internal test medium, in practice it has proved that: system firing rate is fast, and temperature survey is accurate, and using effect is good.
Test(ing) medium in test well can be heated in 80C ° of-350C ° of scope arbitrarily by the present invention according to test requirements document
Temperature, can be by being installed to the temperature survey head within experimental wwll cylinder, can the temperature of direct experiment with measuring medium；By measuring
The output of temperature signal feedback control high frequency power unit module, reaches the purpose of accurate Control experiment temperature.
The present invention coordinates other pilot system, can carry out the high temperature and pressure test of drilling downhole tool at laboratory.High
Temperature high-potting well electromagnetic induction heating system accurately controls and test(ing) medium temperature in stability test pit shaft.Pass through High Temperature High Pressure
The reliable experimental data that test provides, detects downhole tool High Temperature High Pressure sealing, corrosion resistance, and then improves and develop down-hole
Tool materials and structure, meet the production practice needs of heavy crude reservoir, ultradeep well oil reservoir.
The present invention is applicable to the high-potting well of following specification: pit shaft internal diameter 90mm-400mm, pit shaft length 2m-20m, always
Hot spot power 30KW-200KW, test pressure 35 200MPa.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the I portion zoomed-in view in Fig. 1；
Fig. 3 is II zoomed-in view in Fig. 1；
Fig. 4 is the internal temperature transducer structural representation of the present invention；
In figure: 1 high-potting pit shaft；2 heat insulation layer；3 radio-frequency induction coils；4 non-magnet material laths； 5—
Outside temperature element；6 outer jointing jackets；7 high frequency power unit；8 computer temperature control systems；9 well head thread plugs
Bar；10 internal temperature sensors；11 union cap (UC)s；12 metallic gaskets.
Detailed description of the invention
The present invention is described in more detail below in conjunction with the accompanying drawings.
Refering to Fig. 1, a kind of high temperature and pressure test well electromagnetic induction heating system, including high temperature and pressure test pit shaft, this height
The outer peripheral face heat insulation layer 2 of temperature high-potting pit shaft 1 wraps up all standing, along height side on the periphery of this heat insulation layer 2
Installing non-magnet material lath 4 to interval, radio-frequency induction coil 3 crosses non-magnet material lath 4 and winding is arranged in insulation
On the outer peripheral face of layer 2；Many outside temperature elements 5 are fixed on non-magnet material lath 4 (shown in Fig. 3)；High temperature and pressure test
The outermost layer of pit shaft 1 is outer jointing jacket cylinder 6；Internal temperature sensor 10 is installed in high temperature and pressure test pit shaft 1；Outside described
Internal temperature sensor 10 is transmitted by signal cable and computer temperature control system 8 signal, and computer temperature controls afterwards
System 8 sends instructions to regulate to high frequency power unit 7 and controls output size；Radio-frequency induction coil 3 passes through power cable simultaneously
It is connected to high frequency power unit 7.High frequency power unit 7 can use power of controlled silicon cabinet etc., and computer temperature control system 8 is
Industrial conventional control system, as used pid algorithm controller etc., simply makees adaptive adjustment as the case may be.
On described non-magnet material lath 4, interval has small arc-shaped groove along its length, and radio-frequency induction coil 3 is little along this
Arc groove is wound around.Convenient by design requirement winding radio-frequency induction coil 3, reasonable distribution heating electric power.
Described internal temperature sensor 10 is by temperature measuring head 101, stainless steel tube armored cable 102, transition seal head 103 and many
Core plug 104 is connected in sequence.According to the length of high temperature and pressure test pit shaft, the length of change stainless steel tube armored cable 102
Degree, stainless steel tube armored cable 102 external diameter 2 mm-3 mm.The temperature measuring head 101 of internal temperature sensor 10 and stainless steel tube armouring
From high temperature and pressure test well 1 top after cable 102 connection, the centre bore along well head plug screw bar 9 loads high temperature and pressure test well
Cylinder 1 is internal.Well head plug screw bar 9 head uses union cap (UC) 11 to push down the transition seal head 103 of internal temperature sensor 10, transition
The bottom of seal head 103 uses metallic gasket 12 to seal.The signal that internal temperature sensor 10 is measured, is passed by signal cable
After comparing to computer temperature control system 8 with the test temperature set, sending instructions to regulate to high frequency power unit 7 controls output
Watt level, reaches accurate Control experiment pit shaft internal test medium temperature purpose, and control accuracy≤± 1C °.
The temperature signal that outside temperature element 5 is measured, is passed to computer temperature control system 8 by signal cable and is set
The maximum operation (service) temperature of electromagnetic induction coil compare, if it exceeds maximum operation (service) temperature, reduce high frequency power unit 7 immediately defeated
Go out power or shutdown inspection reason.Thus protect radio-frequency induction coil not overtemperature, monitor the temperature of high-potting well bore wall simultaneously.
The thickness of described heat insulation layer 2 is 10 mm-25 mm, when the thickness of heat insulation layer 2 is more than 25 mm, and sense
Answer magnetic field intensity to weaken, affect heats.
Described heat insulation layer 2 is made up of aerosil or space thermal insulation enamel coating (Therma-Cover) material.
Heat insulation layer outermost layer uses fiberglass bandage to tightly wrap.
As it is shown on figure 3, the outside temperature element end of a part touches high temperature and pressure test pit shaft through heat insulation layer 2
On 1 periphery, on the outside temperature element ends contact of another part to heat insulation layer 2 periphery, so many outside thermometrics
Element 5, the point for measuring temperature of (such as: J-type thermocouple temperature sensor etc.) comprises at two, at one outside high temperature and pressure test pit shaft 1
Circle wall, is the outer wall of heat insulation layer 2 at another.Temperature signal measured by outside temperature element 5, mainly protects high-frequency induction
Coil not overtemperature, prevents from damaging, monitors the temperature of high-potting well bore wall simultaneously, prevent temperature from controlling malfunctioning, carry out overtemperature guarantor
Protect.
Described non-magnet material lath 4 is made up of bakelite plate (also referred to as bakelite plate).Utilize its have insulation, do not produce quiet
Characteristic electric, resistant to elevated temperatures.
The higher frequency range of described high frequency power unit 7 is 5KHZ-30KHZ.The electromagnetism of current industrial use
Sensing heating frequency scope 5KHZ-40KHZ, and the present invention uses this frequency range.
Described outer jointing jacket cylinder 6 is made up of non-magnetic fire resistant resin material.This material not magnetic conduction, it is to avoid sensed add
Heat, can protect internal electromagnetic induction coil simultaneously.
Described outer jointing jacket cylinder 6 is internal arranges the strip or garden pearl that ferrite magnetic material makes, and will with nonmetal wire
This strip or garden pearl are worn and link up.Realize intercepting the magnetic line of force to leak, the effect in isolation magnetic field.
Claims (10)
1. a high temperature and pressure test well electromagnetic induction heating system, controls including high temperature and pressure test pit shaft and computer temperature
System, it is characterised in that: the outer peripheral face of this high temperature and pressure test pit shaft (1) heat insulation layer (2) wraps up all standing, this insulation
In the exterior periphery of thermal insulation layer (2), axially spaced-apart installs non-magnet material lath (4), and radio-frequency induction coil (3) crosses non-magnetic material
Flitch bar (4) winding are arranged on the outer circumference surface of heat insulation layer (2)；Many outside temperature elements (5) are fixed on non-leading
On magnetic material lath (4)；The outermost layer of high temperature and pressure test pit shaft (1) is outer jointing jacket cylinder (6)；High temperature and pressure test pit shaft
(1) internal temperature sensor (10) is installed in；Described outside temperature element (5) and internal temperature sensor (10) pass through signal
Cable and the transmission of computer temperature control system (8) signal, computer temperature control system (8) is to high frequency power unit afterwards
(7) regulation that sends instructions controls output size；Radio-frequency induction coil (3) is connected to high frequency power list by power cable simultaneously
Unit (7).
A kind of high temperature and pressure test well electromagnetic induction heating system the most according to claim 1, it is characterised in that: described non-
On permeability magnetic material lath (4), interval has small arc-shaped groove along its length, and radio-frequency induction coil (3) twines along this small arc-shaped groove
Around.
A kind of high temperature and pressure test well electromagnetic induction heating system the most according to claim 1, it is characterised in that: in described
Portion's temperature sensor (10) is by temperature measuring head (101), stainless steel tube armored cable (102), transition seal head (103) and multi-pin connector
(104) it is connected in sequence.
A kind of high temperature and pressure test well electromagnetic induction heating system the most according to claim 1, it is characterised in that: described guarantor
The thickness of temperature thermal insulation layer (2) is 10 mm-25 mm.
A kind of high temperature and pressure test well electromagnetic induction heating system the most according to claim 4, it is characterised in that: described guarantor
Temperature thermal insulation layer (2) is made up of aerosil or space heat-insulating porcelain layer material.
A kind of high temperature and pressure test well electromagnetic induction heating system the most according to claim 1, it is characterised in that: described many
The point for measuring temperature of outside temperature element (5) comprises at two, is the cylindrical wall of high temperature and pressure test pit shaft (1), at another is at one
The outer wall of heat insulation layer (2).
A kind of high temperature and pressure test well electromagnetic induction heating system the most according to claim 1, it is characterised in that: described non-
Permeability magnetic material lath (4) is made up of bakelite plate.
A kind of high temperature and pressure test well electromagnetic induction heating system the most according to claim 1, it is characterised in that: described height
Frequently the frequency usage scope of power cell (7) is 5KHZ-30KHZ.
A kind of high temperature and pressure test well electromagnetic induction heating system the most according to claim 1, it is characterised in that: outside described
Protection sleeve (6) is made up of non-magnetic fire resistant resin material.
A kind of high temperature and pressure test well electromagnetic induction heating system the most according to claim 9, it is characterised in that: described
Outer jointing jacket cylinder (6) is internal arranges the strip or garden pearl that ferrite magnetic material makes, and with nonmetal wire by this strip or garden
Pearl is worn and links up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313788.0A CN105873255A (en) | 2016-05-12 | 2016-05-12 | Electromagnetic induction heating system of high-temperature and high-pressure test well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313788.0A CN105873255A (en) | 2016-05-12 | 2016-05-12 | Electromagnetic induction heating system of high-temperature and high-pressure test well |
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| CN105873255A true CN105873255A (en) | 2016-08-17 |
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Family Applications (1)
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| CN201610313788.0A Pending CN105873255A (en) | 2016-05-12 | 2016-05-12 | Electromagnetic induction heating system of high-temperature and high-pressure test well |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014857A (en) * | 2017-04-21 | 2017-08-04 | 机械工业上海蓝亚石化设备检测所有限公司 | A kind of experimental rig compatible with oxygen for deep cooling container heat-insulating material |
| CN108088292A (en) * | 2017-12-04 | 2018-05-29 | 四川省焱森炉业有限公司 | A kind of full liquid susceptance rice superconducting heating tube |
| CN109765665A (en) * | 2019-03-28 | 2019-05-17 | 广东亨通光电科技有限公司 | A kind of fixed device and heated line |
| CN109884272A (en) * | 2019-03-05 | 2019-06-14 | 中国石油大学(北京) | A kind of simulation system of diagenesis evolution |
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| CN103454107A (en) * | 2013-09-03 | 2013-12-18 | 西北大学 | Simulation test system for temperature resistance and pressure resistance of packer rubber sleeve |
| CN103596309A (en) * | 2013-11-20 | 2014-02-19 | 王彦彬 | Efficient electromagnetic electric heater and manufacturing method thereof |
| CN105150495A (en) * | 2015-06-16 | 2015-12-16 | 北京三联虹普新合纤技术服务股份有限公司 | Electromagnetic induction heating system of chinlon screw extruder |
| CN205754922U (en) * | 2016-05-12 | 2016-11-30 | 甘肃蓝科石化高新装备股份有限公司 | High temperature and pressure test well electromagnetic induction heating system |
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| JPH0961329A (en) * | 1995-08-29 | 1997-03-07 | Ishikawajima Harima Heavy Ind Co Ltd | Introducing method and device for fatigue crack on metal specimen |
| CN201795928U (en) * | 2010-08-20 | 2011-04-13 | 重庆仪表材料研究所 | Magnetorheological damper test stand capable of testing in low and high temperature environments |
| CN202241875U (en) * | 2011-09-07 | 2012-05-30 | 浙江动发能源科技有限公司 | Electromagnetic heating device with controllable temperature |
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| CN105150495A (en) * | 2015-06-16 | 2015-12-16 | 北京三联虹普新合纤技术服务股份有限公司 | Electromagnetic induction heating system of chinlon screw extruder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014857A (en) * | 2017-04-21 | 2017-08-04 | 机械工业上海蓝亚石化设备检测所有限公司 | A kind of experimental rig compatible with oxygen for deep cooling container heat-insulating material |
| CN108088292A (en) * | 2017-12-04 | 2018-05-29 | 四川省焱森炉业有限公司 | A kind of full liquid susceptance rice superconducting heating tube |
| CN109884272A (en) * | 2019-03-05 | 2019-06-14 | 中国石油大学(北京) | A kind of simulation system of diagenesis evolution |
| CN109765665A (en) * | 2019-03-28 | 2019-05-17 | 广东亨通光电科技有限公司 | A kind of fixed device and heated line |
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Application publication date: 20160817 |
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