CN207194855U - A kind of heat pipe-type magnetic refrigeration wellbore flushing liquid earth cooling drilling tool - Google Patents
A kind of heat pipe-type magnetic refrigeration wellbore flushing liquid earth cooling drilling tool Download PDFInfo
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- CN207194855U CN207194855U CN201721172894.8U CN201721172894U CN207194855U CN 207194855 U CN207194855 U CN 207194855U CN 201721172894 U CN201721172894 U CN 201721172894U CN 207194855 U CN207194855 U CN 207194855U
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Abstract
A kind of heat pipe-type magnetic refrigeration wellbore flushing liquid earth cooling drilling tool, for polar region moral purity, land permafrost region gas hydrates, ocean gas hydrate, offshore oil probing, the probing of deep continent, it is made up of battery flat, magnetic refrigeration apparatus, flow-guiding channel, heat pipe heat exchanging equipment and drill bit.Flushing liquor reaches the flow-guiding channel below lower coil by the annular channel runner and magnetic refrigerated area intermediate liquid stream passage of battery flat, battery positioned at the bottom of battery flat, it is connected by fast insertion type joint with impulse generator, pulse current is produced, so as to produce electromagnetic field；It is magnetic refrigerated area below battery flat, is made up of impulse generator, top and the bottom coil, wire, housing, paramagnetic salt storage chamber, watertight insulation and paramagnetism salt；Heat-pipe heat exchanger is made up of directly-heated pipe and spiral heat pipe, and directly-heated pipe is directly inserted into paramagnetic salt storage chamber, and spiral heat pipe winds coring tube, realizes refrigeration, the lower section connection drill bit of coring tube.
Description
Technical field
Wellbore flushing liquid cooling field is the utility model is related to, it is more particularly to a kind of to be used for polar region moral purity, land permafrost region
Gas hydrates, ocean gas hydrate, offshore oil probing, the heat pipe-type magnetic refrigeration underground of deep continent probing are rinsed
Liquid cools down drilling tool.
Background technology
Ocean gas hydrate is explored to be needed to drilling fluid with the sampling work of land-based area natural gas hydrate exploration
Cryogenic refrigeration, to obtain the gas hydrates core sample of fidelity；The drilling depths such as deep oil exploration, Continental Science Drilling
Height, geothermal gradient are big, be unable to do without cooling effect of the drilling fluid to drill bit.Conventional refrigeration measure is to flushing liquor in earth's surface
Cryogenic refrigeration is carried out, but in earth's surface refrigeration as the increase of drilling depth, the dosage of drilling fluid can also increase, produce therewith
The energy that raw refrigeration is consumed also is increasing, due to low temperature drilling fluid high temperature low layer easily cause crustal stress distribution not
Uniformly cause occur drilling accident, therefore using underground small range refrigeration with control entirely it is cold compared with, can not only save the energy, also
The probability occurred into interior accident can be reduced.Solid magnetic material (system that magnetic ion is formed) magnetizes by magnetic fields
When, the magnetic order degree of system strengthens (magnetic entropy reduction), externally releases heat；Again by its degaussing, then (magnetic entropy increases the decline of magnetic order degree
Greatly), heat is absorbed from the external world again.This magnetic ion system applies in magnetic field to be claimed with the thermal phenomenon appeared in removing process
For magnetothermal effect.If exothermic process caused by endothermic process caused by two such adiabatic demagnetization and adiabatic magnetization with one
Circulation connects, and by externally-applied magnetic field, controls magnetic lazy consciously, so that it may so that magnetic material constantly absorb heat from one end and
In other end heat release, so as to reach the purpose of refrigeration.
The content of the invention
For continent and backdeeps Borehole geothermal gradient be big, gas hydrates and moral purity sample labile problem,
The property of heat release is inhaled in alternating magnetic field according to paramagnetic material, a kind of simple technique, the saving energy is designed, saves material
A kind of heat pipe-type magnetic refrigeration underground flushing liquor cooling drilling tool.
To reach above-mentioned purpose, the utility model provides following technical scheme：
One kind is used for polar region moral purity, land permafrost region gas hydrates, ocean gas hydrate, offshore oil and bored
Visit, the heat pipe-type magnetic refrigeration underground flushing liquor cooling drilling tool of deep continent probing, mainly by battery flat, paramagnetic salt storage chamber shell
Body, flow-guiding channel, heat pipe heat exchanging equipment and drill bit composition；Wherein battery flat is designed as ring-like columnar hollow structure, and flushing liquor leads to
The annular channel runner of battery flat is crossed, top is female adapter, can be connected with drilling rod, and battery is provided with battery flat, electricity
The both positive and negative polarity in pond is located at the bottom of battery flat, is connected by fast insertion type joint with impulse generator, realizes the output of pulse current,
Pulse current is not conventional rectangle or simple harmonic quantity waves electric current but switching formula electric current, can thus produce existing for alternating
Electromagnetic field；It is magnetic refrigerated area below battery flat, by impulse generator, top and the bottom coil, wire, paramagnetic salt storage chamber shell
Body, paramagnetic salt storage chamber, watertight insulation and paramagnetism salt composition, impulse generator are connection battery flat and magnetic refrigerated area
The hinge of upper coil, the DC current output that can export battery pass to upper coil, upper coil for pulse current
It is wrapped on coil axle with lower coil, outside is protected by waterproof sealing cabin, and upper coil and lower coil are worn by one
The wire connection of paramagnetic salt storage chamber housing is crossed, is designed as paramagnetic salt storage chamber in the middle part of upper coil and lower coil, so
Alternating magnetic field caused by the coil of top and the bottom can coat paramagnetic salt storage chamber wherein, and paramagnetism salt is filled in paramagnetic salt storage
Intracavitary；Magnetic refrigerated area is also configured as ring-like column structure, and flushing liquor is reached below lower coil by intermediate liquid stream passage
Flow-guiding channel, flushing liquor is divided into four outlet outputs by flow-guiding channel, into the heat exchange groove of heat pipe heat exchanging equipment, is realized and heat
The heat exchange of pipe heat transmission equipment；Heat pipe heat exchanging equipment is made up of directly-heated pipe and spiral heat pipe, and directly-heated pipe is directly inserted into paramagnetic salt
Storage chamber, spiral heat pipe wind coring tube ring ring, realize effectively refrigeration, the lower section connection drill bit of coring tube；
Paramagnetism salt is filled in magnetic refrigeration apparatus paramagnetic salt storage chamber, and when being magnetized by magnetic fields, the magnetic of system has
Sequence degree strengthens (magnetic entropy reduction), externally releases heat；Again by its degaussing, then magnetic order degree decline (magnetic entropy increase), again from outer
Boundary absorbs heat, by the winding mode and the number of turn that rationally design wire so that in normal drilling, the side of caused electromagnetic field
To upper coil is pointed to by lower coil all the time, using reacting cycle mode circulating drilling flushing liquor, such impulse generator output
Pulse current, by multi-pole coils will produce alternating existing for electromagnetic field, according to the frequency of pulse, electromagnetic field alternately also can
Using identical frequency, the suction heat release of paramagnetism salt also can be identical frequency.Flushing liquor absorbs heat on top and returns to earth's surface mud
Stock tank；By the disconnected rock core of jump ring card after rock core is full of basket, carries and drill through the heart；
Paramagnetism salt mainly has：Ferriammonium sulfate [NH4Fe (SO4) 212H2O], chromic potassium alum [KCr (SO4) 212H2O],
Nitric acid decorations magnesium [Ce2Mg3 (NO3) 1214H2O] etc..Freon mainly uses：CH3Cl、CH2F2、CHF3；
The heat exchange groove of heat pipe heat exchanger unit is designed as spill, and directly-heated pipe is inserted directly into concave regions, and exchange heat groove and directly-heated
Drilling fluid passage outside pipe retains longer buffer channel, and flow-guiding channel is designed as heavy wall column, avoids high-pressure fluid from penetrating
Enter damage breakdown heat exchange groove；The mouth of a river that flushing liquor flows into spill heat exchange groove reduces, and so advantageously forms turbulent flow, enhanced heat exchange mistake
Journey, in the groove that exchanges heat in addition the outlet of flushing liquor suitably to increase and avoid impacting water conservancy diversion region, damage part；
Heat-pipe heat exchanger is absorbed due to bit cutting rock from freon as circulatory mediator, freon in drilling tool bottom
Stone and caused heat, distil, directly-heated pipe are risen to along spiral heat pipe afterwards, due to drilling fluid flow-guiding channel by
The stronger refrigeration from paramagnetism salt, temperature is extremely low, freon is cooled down can again, returns to the spiral heat pipe in bottom
It is interior.
Operation principle and process of the present utility model：
After completing more the changing jobs of battery flat on ground, drilling tool is moved to well head and tripping in suspends, starts drilling well punching
The washing lotion circulatory system so that drilling fluid is circulated using reacting cycle mode, is transferred after drilling tool to the normal drilling well in shaft bottom, drilling punching
Washing lotion enters coring tube by drill bit, completes to exchange heat with heat pipe heat exchanging equipment in core barrel.Circulation in spiral heat pipe is situated between
Matter heat absorption distillation so that coring tube may remain in low temperature range, can effectively preserve moral purity, gas hydrates sampling rock
Heart etc..After flushing liquor flows out coring tube, enter heat exchange groove by the groove flushing liquor entrance that exchanges heat, directly-heated pipe freezed,
The heat of circulatory mediator in directly-heated pipe is absorbed, groove flushing liquor enters flow-guiding channel by exchanging heat, and enters back into magnetic refrigeration paramagnetic salt
The circulation canal of class storage chamber, because magnetic field is existing for alternating, so paramagnetic salt class can be along magnetic field side when magnetic field is present
It is to be rinsed liquid at upper coil to carry to earth's surface in the end in magnetic field to the heat for releasing itself storage, and magnetic field is not deposited
When, because directly-heated pipe is inserted in paramagnetic salt storage chamber, paramagnetism salt absorb heat so that the circulatory mediator in heat pipe is cold
It is solidifying, it can also absorb the heat from drilling fluid along directly-heated tube drop to spiral heat pipe, paramagnetism salt.So constantly
The frequency that exothermic process exports pulse current according to impulse generator is inhaled, realizes the alternating of electromagnetic field, and then realizes that whole inhale is put
The continuous process of heat.
The beneficial effects of the utility model：
This is used for ocean gas hydrate, offshore oil probing, the probing of deep continent, polar region moral purity and land permafrost region
The heat pipe-type magnetic refrigeration underground flushing liquor cooling drilling tool of Gas Hydrate Drilling, can not only act on and be situated between by circulation of liquid
In the bore flushing medium of matter, it may also function as in the environment of using gas as drilling circulatory mediator, ground effect during core-drilling
It is prominent, it is pollution-free, for gas hydrates and the occurrence condition of moral purity, to the primordial condition of moral purity and gas hydrates
Disturb small.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Embodiment
Referring to shown in Fig. 1, the utility model provides a kind of heat pipe-type magnetic refrigeration wellbore flushing liquid earth cooling drilling tool,
Mainly it is made up of battery flat 2, paramagnetic salt storage chamber housing 10, flow-guiding channel 15, heat pipe heat exchanging equipment and drill bit 19.Wherein battery
Cabin 2 is designed as ring-like columnar hollow structure, and for flushing liquor by the annular channel runner of battery flat 2, top is female adapter 1,
It can be connected with drilling rod, battery 3 is installed, the both positive and negative polarity of battery 3 is located at the bottom of battery flat, by push-in in battery flat 2
Joint 5 is connected with impulse generator 4, realizes the output of pulse current, and pulse current is not conventional rectangle or simple harmonic quantity waves
Electric current but switching formula electric current, it can thus produce electromagnetic field existing for alternating；The lower section of battery flat 2 is magnetic refrigerated area, by
Impulse generator 4, upper coil 7, lower coil 13, wire 9, paramagnetic salt storage chamber housing 10, paramagnetic salt storage chamber 11, waterproof
Separation layer 8 and paramagnetism salt 12 form, and impulse generator 4 is to connect battery flat 2 and the pivot of magnetic refrigerated area upper coil 7
Knob, the DC current output that battery 3 exports can be passed to upper coil 7, upper coil 7 and lower coil for pulse current
13 are wrapped on coil axle 6, and outside is protected by waterproof sealing cabin 14, and upper coil 7 and lower coil 13 are passed through by one
The wire 9 of paramagnetic salt storage chamber housing 10 connects, and upper coil 7 and the middle part of lower coil 13 are designed as paramagnetic salt storage chamber
11, alternating magnetic field can coat paramagnetic salt storage chamber 11 wherein caused by such upper coil 7, lower coil 13, paramagnetism
Salt 12 is filled in paramagnetic salt storage chamber 11；Magnetic refrigerated area is also configured as ring-like column structure, and flushing liquor is by lower coil
The flow-guiding channel 15 of 13 lower sections flows into the annular channel of paramagnetic salt storage chamber 11；Heat pipe heat exchanging equipment is by directly-heated pipe 16 and spirally
Heat pipe 17 is formed, and directly-heated pipe 16 is directly inserted into paramagnetic salt storage chamber 11, and spiral heat pipe 17 winds the ring ring of coring tube 18, real
Existing effect refrigeration, the lower section connection drill bit 19 of coring tube 18；
The outside of wire 9 is provided with insulating barrier；The connected mode of battery flat 2 and paramagnetic salt storage chamber housing 10 is tight for fast mortise lock
Formula, in drilling tool tripping in is entered before complete more changing jobs for battery flat 2, in order to good water resistance and repeatable make
With ability, battery 3 uses rechargeable type lithium battery, and charging inlet is consistent with the output current interface of battery flat 2, in addition battery 3 and
Battery flat 2 is designed as can not be split structure, avoids layman from dismantling battery 3 and drilling tool is caused to damage, also avoid battery flat
Being dismounted for multiple times causes water entering accident to influence to use；
Paramagnetism salt mainly has：Ferriammonium sulfate [NH4Fe (SO4) 212H2O], chromic potassium alum [KCr (SO4) 212H2O],
Nitric acid decorations magnesium [Ce2Mg3 (NO3) 1214H2O] etc.；
Using the drilling tool when, must side circulating drilling flushing liquor, while by drilling tool G.I.H, prevent paramagnetism salt
12 absorption heats cause shell stress skewness, are passed through normal temperature drilling fluid suddenly and cracked, long-time zero load in addition makes
Annular fluid course temperature with the middle part of paramagnetic salt storage chamber 11 is low, liquid in well be present, if not flowing can cause to freeze, shadow
Ring circulation effect.The coil of the top and the bottom of paramagnetic salt storage chamber 11 is sealed in coil waterproof sealing cabin 14.
Operation principle and process of the present utility model：
Refer to shown in Fig. 1, after completing more the changing jobs of battery flat 2 on ground, drilling tool is moved to well head and tripping in
1m suspends, and starts the wellbore flushing liquid circulatory system so that drilling fluid is circulated using reacting cycle mode, treats that drilling tool is transferred to shaft bottom just
After normal drilling well, drilling fluid enters coring tube 18 by drill bit 19, completes to change with spiral heat pipe 17 in core barrel 18
Heat.Circulatory mediator heat absorption distillation in spiral heat pipe 17 so that coring tube 18 may remain in low temperature range, can be effective
Preserve moral purity, gas hydrates sampling rock core etc..After flushing liquor flows out coring tube 18, by the groove flushing liquor entrance that exchanges heat
Into heat exchange groove, directly-heated pipe 16 is freezed, absorbs the heat of circulatory mediator in directly-heated pipe 16, groove flushing liquor enters by exchanging heat
Enter flow-guiding channel 15, enter back into the circulation canal of magnetic refrigeration paramagnetism salt storage chamber 11, because magnetic field is existing for alternating, so
Paramagnetic salt class 12 can release the heat of itself storage along magnetic direction when magnetic field is present, and be top in the end in magnetic field
Liquid is rinsed at coil 7 to carry to earth's surface, and when magnetic field is not present, because directly-heated pipe 16 is inserted in paramagnetic salt storage chamber 11,
Paramagnetism salt absorbs heat so that the circulatory mediator condensation in heat pipe, spiral heat pipe 17, paramagnetic is drop to along directly-heated pipe 16
Property salt 12 can also absorb the heat from drilling fluid.Exothermic process is so constantly inhaled to be exported according to impulse generator 4
The frequency of pulse current, the alternating of electromagnetic field is realized, and then realize the whole continuous process for inhaling heat release.
Claims (1)
- The wellbore flushing liquid earth cooling drilling tool 1. a kind of heat pipe-type magnetic freezes, it is characterised in that：It is by battery flat (2), paramagnetism Salt storage chamber housing (10), flow-guiding channel (15), heat pipe heat exchanging equipment and drill bit (19) composition, battery flat (2) top is internal thread Joint (1), battery flat (2) is interior to be provided with battery (3), is connected by fast insertion type joint (5) with impulse generator (4), realizes arteries and veins Rush the output of electric current；It is magnetic refrigerated area below battery flat (2), by impulse generator (4), upper coil (7), lower coil (13), wire (9), paramagnetic salt storage chamber housing (10), paramagnetic salt storage chamber (11), watertight insulation (8) and paramagnetism salt (12) form, impulse generator (4) is to connect battery flat (2) and the hinge of magnetic refrigerated area upper coil (7), upper coil (7) be wrapped on coil axle (6) with lower coil (13), it is outside to be protected by waterproof sealing cabin (14), upper coil (7) and under Portion's coil (13) is connected by a wire (9) through paramagnetic salt storage chamber housing (10), upper coil (7) and lower coil (13) paramagnetic salt storage chamber (11) is designed as in the middle part of, paramagnetism salt (12) is filled in paramagnetic salt storage chamber (11)；Magnetic system Cold-zone domain is also configured as ring-like column structure, and flushing liquor flows into paramagnetic salt by the flow-guiding channel (15) below lower coil (13) The annular channel of storage chamber (11)；It is coring tube (18) below heat-pipe heat exchanger, the lower section of coring tube (18) connects drill bit (19)；Battery flat (2) is designed as ring-like columnar hollow structure, and flushing liquor is circulated by the annular channel of battery flat (2)；The DC current output that impulse generator (4) can export battery (3) passes to upper coil (7) for pulse current, Pulse current is not conventional rectangle or simple harmonic quantity waves electric current but switching formula electric current, can thus produce existing for alternating Electromagnetic field；Alternating magnetic field caused by upper coil (7), lower coil (13) can coat paramagnetic salt storage chamber (11) wherein；The outside of wire (9) is provided with insulating barrier, and the connected mode of battery flat (2) and paramagnetic salt storage chamber housing (10) is inserted to be fast Locking type, battery (3) use rechargeable type lithium battery, and charging inlet is consistent with battery flat (2) output current interface, in addition battery (3) it is designed as can not be split structure with battery flat (2)；The heat exchange groove of heat pipe heat exchanging equipment is designed as spill, and directly-heated pipe (16) is inserted directly into paramagnetic salt storage chamber (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721172894.8U CN207194855U (en) | 2017-09-14 | 2017-09-14 | A kind of heat pipe-type magnetic refrigeration wellbore flushing liquid earth cooling drilling tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721172894.8U CN207194855U (en) | 2017-09-14 | 2017-09-14 | A kind of heat pipe-type magnetic refrigeration wellbore flushing liquid earth cooling drilling tool |
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| CN207194855U true CN207194855U (en) | 2018-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012877A (en) * | 2022-06-27 | 2022-09-06 | 中国石油大学(北京) | Horizontal well pipe column for increasing carbon dioxide solubility of high-temperature saline water layer |
-
2017
- 2017-09-14 CN CN201721172894.8U patent/CN207194855U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012877A (en) * | 2022-06-27 | 2022-09-06 | 中国石油大学(北京) | Horizontal well pipe column for increasing carbon dioxide solubility of high-temperature saline water layer |
| CN115012877B (en) * | 2022-06-27 | 2023-12-22 | 中国石油大学(北京) | Horizontal well tubular column capable of increasing solubility of high Wen Xianshui-layer carbon dioxide |
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