CN109577948A - A kind of temperature management system and method for the temperature-sensing element (device) of downhole tool - Google Patents
A kind of temperature management system and method for the temperature-sensing element (device) of downhole tool Download PDFInfo
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- CN109577948A CN109577948A CN201811477382.1A CN201811477382A CN109577948A CN 109577948 A CN109577948 A CN 109577948A CN 201811477382 A CN201811477382 A CN 201811477382A CN 109577948 A CN109577948 A CN 109577948A
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- temperature
- metal hydride
- downhole tool
- sensing element
- cold plate
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 229910052987 metal hydride Inorganic materials 0.000 claims abstract description 96
- 150000004681 metal hydrides Chemical class 0.000 claims abstract description 96
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 50
- 239000001257 hydrogen Substances 0.000 claims abstract description 50
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 20
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 150000002431 hydrogen Chemical class 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000005496 eutectics Effects 0.000 claims description 5
- 239000012809 cooling fluid Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 150000004678 hydrides Chemical class 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000002441 reversible effect Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 21
- 238000007726 management method Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- -1 hydrogen Compound Chemical class 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000017261 Fritillaria camtschatcensis Nutrition 0.000 description 1
- 244000234313 Fritillaria camtschatcensis Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/001—Cooling arrangements
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of temperature management system of the temperature-sensing element (device) of downhole tool and methods, including the temperature-sensing element (device) being contained in downhole tool shell, it further include being thermally coupled to the cold plate of temperature-sensing element (device) being made from a material that be thermally conductive, and be selectively thermally coupled to cold plate and be thermally coupled to the metal hydride removal thermal device of downhole tool shell；The cold plate being made from a material that be thermally conductive by being thermally coupled to temperature-sensing element (device) absorbs the heat that temperature-sensing element (device) generates, cold plate removes thermal device by metal hydride and transfers heat to downhole tool shell, and heat is dissipated in the fluid in the annular space in the fluid of flowing or flowing into pit shaft by downhole tool shell.The present invention removes heat using the reversible reaction of metal hydride, so the hydrogen in metal hydride container is Ke Xunhuanliyong, therefore saves raw material, save the cost, and cooling time is long.
Description
Technical field
The present invention relates to the refrigeration technology field of downhole tool, especially a kind of temperature of the temperature-sensing element (device) of downhole tool
Spend management system and method.
Background technique
In order to bung down, drill bit creeps into the thousands of rice of the earth's crust.Drill bit usually extends downwardly into a pipe from rig floor, leads to
Frequently referred to " drill string ".Drill string is connecting tube or continuous pipe, pumps drilling fluid by the pipeline to cool down and lubricate drill bit and will bore
Bits, which are promoted, arrives ground.The lower part or distal end of drill string are a bottom drilling assembly (BHA), it includes drill bit.
In order to obtain measurement and information from subsurface environment in drilling well, BHA includes electronic instrument.Various works on drilling tool
Tool, such as well logging (LWD) tool and measurement while drilling (MWD) tool, in conjunction with instrument.This tool on drill string includes various
Electronic component, these components are usually made of computer chip, circuit board, processor, data storage, power converter etc..
Downhole tool allows for running at hundreds of meters below adjacent ground surface and earth's surface.In drilling process, environment
Temperature increases with the increase of depth.With the increase of depth, cutter is by severe operating environment.For example, downhole temperature is logical
It is often very high, in some instances it may even be possible to more than 200 DEG C, in addition, pressure can exceed that 138 megapascal.In subsurface environment, especially make in drilling well
During industry, there is also vibration and impact stress.
Electronic component in downhole tool also generates heat in inside.For example, a typical wireline tool can dissipate
Power more than 135 watts, and the power that typical downhole tool can dissipate on drill string more than 10 watts.Carrying out drilling well work
When industry, the tool on drill string usually stops several weeks in subsurface environment.In other down-hole applications, drill string electronic component can be
Underground stops a few houres to being up to year.For example, in order to obtain underground survey, tool is lowered on cable or cable
Well in.These tools are commonly known as " wireline tool ".However, wireline tool is generally kept in underground unlike probing is applied
Less than twenty four hours in environment.
One problem of downhole tool is that, when downhole temperature is more than the temperature of electronic component, heat cannot be dissipated to ring
In border.Heat may be in electronic component inner accumulation, this may cause the degeneration or failure of component working characteristics.Therefore, exist
Two general heat sources must be taken into consideration in downhole tool, i.e., the heat from subsurface environment around and the heat by tool component generation
Amount, for example, the electronic component of tool.
When down-hole ambient temperature can exceed that 200 DEG C, electronic component is usually being no more than 125 DEG C by nominal operation.Cause
This, tool is exposed to the raising temperature of subsurface environment and may cause degradation by the heat that component dissipates.In general, thermal failure has
At least two modes.Firstly, the thermal stress on component reduces their service life.Second, at certain temperatures, electronics device
Part may fail, and component may stop working.Thermal fault may cause cost, not only due to the replacement of the electronic component of failure
Cost, but also because electronic component failure interrupts underground activity.
Therefore it provides the temperature management system and method for a kind of temperature-sensing element (device) of downhole tool are necessary.
Summary of the invention
The invention aims to solve the deficiencies in the prior art, a kind of sensitive member of temperature of downhole tool is provided
The temperature management system and method for part.
In order to achieve the above objectives, the present invention is implemented according to following technical scheme:
A kind of temperature management system of the temperature-sensing element (device) of downhole tool, including the temperature being contained in downhole tool shell
Sensing element is spent, further includes being thermally coupled to the cold plate of temperature-sensing element (device) being made from a material that be thermally conductive, and selectively thermal coupling
It closes cold plate and is thermally coupled to the metal hydride removal thermal device of downhole tool shell.
Further, the metal hydride removal thermal device includes metal hydride, the metal hydride appearance containing hydrogen
Device, first piston, spring, heat exchanger, the metal hydride are placed in the metal hydride container containing hydrogen, and spring is set
It sets and is contacted for squeezing the metal hydride container containing hydrogen with cold plate in the metal hydride container upper end containing hydrogen, heat exchange
Device is set to the metal hydride container side containing hydrogen and contacts always with the metal hydride container containing hydrogen, heat exchanger
It is thermally coupled to the side of downhole tool shell, first piston is set to the underground of the other side of the metal hydride container containing hydrogen
For pushing the metal hydride container containing hydrogen to separate the metal hydride container containing hydrogen with cold plate on tool housing.
Further, the fusing point lower than temperature-sensing element (device) expectation maintenance temperature is provided in the metal hydride container
Eutectic material.
Further, metal hydride removal thermal device include sealing container, be set in sealing container second
Piston, the metal hydride being set between second piston and sealing container, metal hydride pass through the circulatory system selectively
It is thermally coupled to the cold plate.
Further, the circulatory system includes the heat exchanger tube containing cooling fluid, circulating pump, described heat exchanger tube one end with follow
The connection of ring pump water inlet mouth, the other end and circulating pump water outlet connect, heat exchanger tube respectively in sealing container metal hydride and
Cold plate thermal coupling, the heat exchanger tube between sealed container outside and cold plate outside are equipped with the first valve, the second valve.
Further, the heat exchanger tube is directly contacted through sealing container with the metal hydride in sealing container, and is located at
Heat exchanger tube in sealing container is set as spiral coil.
Further, the heat exchanger tube directly contacts with cold plate surface or across the channel or hole that are formed in cold plate and cold plate
Contact.
In addition, the present invention also provides a kind of method for managing temperature of the temperature-sensing element (device) of downhole tool, including it is following
Step: the cold plate being made from a material that be thermally conductive by being thermally coupled to temperature-sensing element (device) absorbs the heat that temperature-sensing element (device) generates,
Cold plate removes thermal device by metal hydride and transfers heat to downhole tool shell, by downhole tool shell by heat
It is dissipated in the fluid of flowing or flows into the fluid in the annular space of pit shaft.
Compared with prior art, the invention has the following advantages:
1) hydrogen is as a kind of new energy, and resourceful, calorific capacity is high, and cleaning and the thermal efficiency are high.So method is than it
He more cleans chemical substance, and pollution on the environment is small；
2) this method removes heat using the reversible reaction of metal hydride, so the hydrogen in metal hydride container can follow
Ring utilizes, therefore saves raw material, save the cost, and cooling time is long.
3) hydrogen can be absorbed and be desorbed in the circulation of virtually limitless quantity by metal hydride, this extends underground
Tool uses the time cycle in the wellbore.
Detailed description of the invention
Fig. 1 be include that there is the well system of the downhole tool of temperature management system to schematically show.
Fig. 2 is the structural schematic diagram of the temperature management system of first embodiment.
Fig. 3 is the usage state diagram of the temperature management system of first embodiment.
Fig. 4 is the structural schematic diagram of the temperature management system of second embodiment.
Fig. 5 is the usage state diagram of the temperature management system of second embodiment.
Fig. 6 is the structural schematic diagram of the cold plate of second embodiment.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, with reference to embodiments, to the present invention into
Row is further to be described in detail.Described herein the specific embodiments are only for explaining the present invention, is not used to limit invention.
Referring now to fig. 1, the well system 140,135 including one or more downhole tools 135 is depicted with basis
The temperature management system of principle production disclosed herein.Well system 140 further includes being hanging in pit shaft 115 from drilling machine 110
Drill string 105.Drill string 105 includes drilling rod 125, and drilling rod 125 can be made of multiple portions, and BHA 120 is connected to the drilling rod.
BHA 120 includes drill bit 130, and may include other component, such as, but not limited to awl, motor, steering assembly and drill collar.
During drilling well, drilling fluid or " drilling mud " are recycled downwards by drill string 105, to lubricate and cool down drill bit 130, and as from
The delivery vehicle of the removal drilling cuttings of pit shaft 115.After exiting drill bit 130, drilling fluid passes through between drill string 105 and pit shaft 115
Ring 195 returns to ground.
In this embodiment, drilling machine 110 is continental rise.In other embodiments, downhole tool 135 can be outstanding from drilling machine
It is located on floating platform in the drill string of extension.In addition, downhole tool 135 does not need to be arranged in drill string, but electricity can also be passed through
Cable, continuous pipe or the suspension of other similar device.
In figs 2 and 3, the temperature management system for downhole tool is illustrated according to one embodiment.Temperature-sensing element (device)
205 are thermally coupled to cold plate 201.It is normal temperature sensing element 205 used in the downhole tool, such as LWD tool, including sensing
Device, computer processor and other electric components.Cold plate 201 can be formed by any Heat Conduction Material of such as aluminium.Temperature is sensitive
Element 205 can be by directly contacting or by thermally conductive intermediate member (such as torrid zone) and 201 thermal coupling of cold plate.
In order to remove heat from cold plate 201, metal hydride removal thermal device is selectively thermally coupled to cold plate 201.
Metal hydride removal thermal device includes metal hydride, the metal hydride container 210, first containing hydrogen in the present embodiment
Piston 230, spring 225, heat exchanger 220, the metal hydride are placed in the metal hydride container 210 containing hydrogen,
Spring 225 be arranged in 210 upper end of metal hydride container containing hydrogen for squeezes the metal hydride container 210 containing hydrogen and
Cold plate 201 contact, heat exchanger 220 be set to 210 side of metal hydride container containing hydrogen and with the metallic hydrogen containing hydrogen
Compound container 210 contacts always, and heat exchanger 220 is thermally coupled to the side of downhole tool shell, and first piston 230, which is set to, to be contained
Have on the downhole tool shell of the other side of the metal hydride container 210 of hydrogen for pushing the metal hydride container containing hydrogen
210, separate the metal hydride container 210 containing hydrogen with cold plate 201.The selectively thermal coupling of metal hydride container 210
To cold plate 201.Metal hydride in metal hydride container 210 can be packaged as the powder of hydrogen encirclement, have injection solidifying
The gel of the hydrogen of glue, or in the adhesive of hydrogen infiltration binder.Metal hydride reversibly stores hydrogen in metal lattice.
Metal hydride is cooling, while discharging hydrogen, then absorbs hydrogen and releases heat.Metal hydride can by adjusting alloy at
Divide and production technology works at different temperatures and pressures, thus adjustment temperature and pressure.The one of commercial metals hydride
A example isAlloy can be obtained from the ErGeNICS company of N.J.Ringwood.
When pressure or temperature are lower than equilibrium valve, metal hydride will absorb hydrogen and release heat, and transfer heat to cold
Plate 201, as shown in Figure 2.The hydrogen that each metal hydride absorbs will discharge about 16000 joules of heat.In endothermic phase,
Metal hydride container 210 can be maintained on cold plate 201 by spring 225 or any other mechanical device.It is certain when reaching
When temperature, or when easy to operate, metal hydride container 210 and 201 heat of cold plate break off relations, as shown in Figure 3.Metal hydride holds
Device 210 can be pushed open by first piston 230 from cold plate.As shown in Figure 2 and Figure 3, metal hydride container 210 can be set to
Inverted trapezoidal, heat exchanger 220, first piston 230 are parallel with two waists of inverted trapezoidal with 210 contact surface of metal hydride container, this
Sample can push metal hydride container 210 to move upwards to make along heat exchanger 220 when first piston 230 acts
Metal hydride container 210 is separated with cold plate 201.At least when breaking off relations with 201 heat of cold plate, 210 thermal coupling of metal hydride container
Heat exchanger 220 is closed, heat can be discharged from temperature management system.Heat exchanger 220 is thermally coupled to downhole tool
Shell, then heat is dissipated in the fluid of flowing by downhole tool or is flowed into the fluid in the annular space of pit shaft.
When being thermally coupled to heat exchanger 220, metal hydride will desorb hydrogen while cooling, to restart heat exchange
The ability of the absorption heat of device 220.After cooling, metal hydride container 210 can be added again with 201 thermal coupling of cold plate with repetition
Hot and cold but recycles.Hydrogen can be absorbed and be desorbed in the circulation of virtually limitless quantity by metal hydride, this is extended
Downhole tool uses the time cycle in the wellbore.
In embodiment, metal hydride container 210 includes eutectic material 215, to reduce in heating and cooling cycle phase
Between temperature swing severity.Eutectic material is the alloy that there is different component to form, and is used as realizing the required of material
Fusing point.Required fusing point absorbs energy using the latent heat of fusing.Latent heat is the energy absorbed when substance is changed into liquid from solid
Amount.Therefore, when material changes its physical state, it absorbs temperature of the heat without changing material.Therefore, additional heat
The state that material can be changed, without changing its temperature.In order to which using the latent heat of fusing, eutectic material can have quick lower than temperature
The expectation of sensing unit 205 maintains the fusing point of temperature.
In figures 4 and 5, temperature management system is illustrated according to another embodiment.Temperature management system shown in Figure 4 and 5,
In order to remove heat from cold plate 201, metal hydride removal thermal device is selectively thermally coupled to cold plate 201.The present embodiment
Middle metal hydride removal thermal device includes sealing container 330, the second piston being set in sealing container 330 310, setting
Metal hydride 315 between second piston 310 and sealing container 330, metal hydride 315 pass through circulatory system selectivity
Geothermal Coupling is to the cold plate 201.The circulatory system includes the heat exchanger tube 305 containing cooling fluid, circulating pump 307, the heat exchange
305 one end of pipe connect with 307 water inlet of circulating pump, the connection of the other end and 307 water outlet of circulating pump, heat exchanger tube 305 respectively with it is close
201 thermal coupling of metal hydride 315 and cold plate in container 330 is sealed, 330 outside of sealing container and 201 outside of cold plate are located at
Between heat exchanger tube 305 be equipped with the first valve 306A, the second valve 306B.It is right that metal hydride 315 is controlled using second piston 310
The absorption of hydrogen, this has efficiently controlled heat absorption rate.Metal hydride 315 is included in sealing container 330, to allow by second
Piston 310 carries out pressure control to metal hydride 315.Such as hydraulic or electric power can be used to drive in pressure piston 310.?
When pressure is lower than balance pressure, metal hydride 315 desorbs hydrogen and absorbs heat.As shown in figure 4, at valve 306A and 306B
In open state and when circulating pump 307 is in active state, metal hydride 315 and 201 thermal coupling of cold plate.As shown in figure 5, working as
First valve 306A, the second valve 306B are in close state and circulating pump 307 is inactive, metal hydride 315 and cold plate 201
It is detached from.Circulating pump 307 can be positive-displacement pump but it is also possible to be any other suitable pump.
In order to remove heat from any temperature-sensitive components 205, the pressure and circulating pump 307 reduced on metal hydride 315 is followed
Ring working fluid.As shown in fig. 6, heat exchanger tube 305 can pass through the channel or hole 501 formed in cold plate 201.In order to more effective
Ground transfers heat to metal hydride 315, and heat exchanger tube 305 may include heat exchanger sections 320, which can be with
It is spiral winding.The temperature of metal hydride 315 can be kept constant by adjusting the pressure on metal hydride 315, with
Help maintains substantially invariable cooling rate.When hydrogen is exhausted from metal hydride 315 completely, in metal hydride 315
Temperature will start to increase, and needs are continued to cool down by hydrogen supply.
During the recharging cycle, the first valve 306A and the second valve 306B are closed, and circulating pump 307 is inactive with by metallic hydrogen
Compound 315 and cold plate 201 are pyrolyzed coupling.In recharge cycle, second piston 310 increases the pressure of hydrogen in sealing container 330, this
So that metal hydride 215 reuptakes hydrogen and discharges heat.Heat can pass through tool body or any other thermal coupling quilt
It is discharged into wellbore.After heat is discharged, the circulation of working fluid can be restarted, and is reduced on metal hydride 315
Pressure, to absorb heat since temperature-sensing element (device) 205 again.
It can be provided by Turboalternator for the power supply of downhole tool and heat management system disclosed herein, the whirlpool
Wheel alternating current generator is driven by the drilling fluid pumped by drill string.Turboalternator can be axial direction, radial direction or mixed flow
Dynamic type.Alternatively, the positive displacement motor that alternating current generator can be driven by drilling fluid drives, such as Moineau type motor.It can
To understand, other power supplys, such as battery or the power supply from surface also can be used.In one embodiment, by drill string from table
Power supply on face provides electrical power.
Temperature management system removes enough heats to keep temperature-sensing element (device) below its rated temperature or lower than it
Rated temperature, for example, temperature is no more than 125 DEG C.For example, temperature-sensing element (device) 205 can be maintained 135 by temperature management system
DEG C hereinafter, even at 80 DEG C or less.In general, temperature is lower, the service life of temperature-sensing element (device) 205 is longer.
Therefore, the temperature of temperature management system management any temperature-sensitive components 205.Therefore, it is absorbed from temperature-sensing element (device) 205
Heat extends the service life of temperature-sensing element (device) 205 under given environment temperature.
The limitation that technical solution of the present invention is not limited to the above specific embodiments, it is all to do according to the technique and scheme of the present invention
Technology deformation out, falls within the scope of protection of the present invention.
Claims (8)
1. a kind of temperature management system of the temperature-sensing element (device) of downhole tool, including the temperature being contained in downhole tool shell
Sensing element, which is characterized in that further include being thermally coupled to the cold plate of temperature-sensing element (device) being made from a material that be thermally conductive, and select
Property Geothermal Coupling to cold plate and be thermally coupled to downhole tool shell metal hydride remove thermal device.
2. the temperature management system of the temperature-sensing element (device) of downhole tool according to claim 1, it is characterised in that: described
It includes metal hydride, the metal hydride container containing hydrogen, first piston, spring, heat that metal hydride, which removes thermal device,
Exchanger, the metal hydride are placed in the metal hydride container containing hydrogen, and the metallic hydrogen containing hydrogen is arranged in spring
Compound container upper end is contacted for squeezing the metal hydride container containing hydrogen with cold plate, and heat exchanger is set to the gold containing hydrogen
Belong to hydride container side and contacted always with the metal hydride container containing hydrogen, heat exchanger is thermally coupled to downhole tool shell
The side of body, first piston are set on the downhole tool shell of the other side of the metal hydride container containing hydrogen for pushing
Metal hydride container containing hydrogen separates the metal hydride container containing hydrogen with cold plate.
3. the temperature management system of the temperature-sensing element (device) of downhole tool according to claim 2, it is characterised in that: described
The eutectic material for it is expected to maintain the fusing point of temperature lower than temperature-sensing element (device) is provided in metal hydride container.
4. the temperature management system of the temperature-sensing element (device) of downhole tool according to claim 1, it is characterised in that: described
Metal hydride removal thermal device includes sealing container, the second piston being set in sealing container, is set to second piston
Metal hydride between sealing container, metal hydride are selectively thermally coupled to the cold plate by the circulatory system.
5. the temperature management system of the temperature-sensing element (device) of downhole tool according to claim 4, it is characterised in that: described
The circulatory system includes the heat exchanger tube containing cooling fluid, circulating pump, and described heat exchanger tube one end connect with circulating pump water inlet, is another
End connect with circulating pump water outlet, heat exchanger tube respectively in sealing container metal hydride and cold plate thermal coupling, positioned at seal
Heat exchanger tube between external container and cold plate outside is equipped with the first valve, the second valve.
6. the temperature management system of the temperature-sensing element (device) of downhole tool according to claim 1, it is characterised in that: described
Heat exchanger tube is directly contacted through sealing container with the metal hydride in sealing container, and the heat exchanger tube being located in sealing container is set
It is set to spiral coil.
7. the temperature management system of the temperature-sensing element (device) of downhole tool according to claim 1, it is characterised in that: described
Heat exchanger tube is directly contacted with cold plate surface or is contacted across the channel or hole formed in cold plate with cold plate.
8. a kind of method for managing temperature of the temperature-sensing element (device) of downhole tool as described in claim 1, which is characterized in that packet
Include following steps: the cold plate being made from a material that be thermally conductive by being thermally coupled to temperature-sensing element (device) absorbs what temperature-sensing element (device) generated
Heat, cold plate remove thermal device by metal hydride and transfer heat to downhole tool shell, pass through downhole tool shell
Heat is dissipated in the fluid in the annular space in the fluid of flowing or flowing into pit shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477382.1A CN109577948A (en) | 2018-12-05 | 2018-12-05 | A kind of temperature management system and method for the temperature-sensing element (device) of downhole tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477382.1A CN109577948A (en) | 2018-12-05 | 2018-12-05 | A kind of temperature management system and method for the temperature-sensing element (device) of downhole tool |
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| CN109577948A true CN109577948A (en) | 2019-04-05 |
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| CN201811477382.1A Pending CN109577948A (en) | 2018-12-05 | 2018-12-05 | A kind of temperature management system and method for the temperature-sensing element (device) of downhole tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687733A (en) * | 2022-06-01 | 2022-07-01 | 西安石油大学 | Sound wave logging integrated receiving acoustic system structure with cooling module |
| CN115596379A (en) * | 2021-07-09 | 2023-01-13 | 中国石油天然气股份有限公司（Cn） | Underground pre-cooling circulation tool for well drilling and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060102353A1 (en) * | 2004-11-12 | 2006-05-18 | Halliburton Energy Services, Inc. | Thermal component temperature management system and method |
| WO2006060708A1 (en) * | 2004-12-03 | 2006-06-08 | Halliburton Energy Services, Inc. | Switchable power allocation in a downhole operation |
| US20120048531A1 (en) * | 2009-04-27 | 2012-03-01 | Halliburton Energy Services, Inc. | Thermal Component Temperature Management System and Method |
| EP2518265A1 (en) * | 2011-04-29 | 2012-10-31 | Welltec A/S | Downhole tool |
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2018
- 2018-12-05 CN CN201811477382.1A patent/CN109577948A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060102353A1 (en) * | 2004-11-12 | 2006-05-18 | Halliburton Energy Services, Inc. | Thermal component temperature management system and method |
| WO2006060708A1 (en) * | 2004-12-03 | 2006-06-08 | Halliburton Energy Services, Inc. | Switchable power allocation in a downhole operation |
| US20120048531A1 (en) * | 2009-04-27 | 2012-03-01 | Halliburton Energy Services, Inc. | Thermal Component Temperature Management System and Method |
| EP2518265A1 (en) * | 2011-04-29 | 2012-10-31 | Welltec A/S | Downhole tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115596379A (en) * | 2021-07-09 | 2023-01-13 | 中国石油天然气股份有限公司（Cn） | Underground pre-cooling circulation tool for well drilling and use method thereof |
| CN114687733A (en) * | 2022-06-01 | 2022-07-01 | 西安石油大学 | Sound wave logging integrated receiving acoustic system structure with cooling module |
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