CN104481440B - Solid and liquid phase change cold source of freezing and pressure-maintaining coring drilling tool - Google Patents
Solid and liquid phase change cold source of freezing and pressure-maintaining coring drilling tool Download PDFInfo
- Publication number
- CN104481440B CN104481440B CN201410796176.2A CN201410796176A CN104481440B CN 104481440 B CN104481440 B CN 104481440B CN 201410796176 A CN201410796176 A CN 201410796176A CN 104481440 B CN104481440 B CN 104481440B
- Authority
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- China
- Prior art keywords
- phase change
- solid
- lower contact
- liquid phase
- collector plate
- 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
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- 238000005553 drilling Methods 0.000 title claims abstract description 55
- 239000007791 liquid phase Substances 0.000 title claims abstract description 42
- 239000007790 solid phase Substances 0.000 title abstract description 9
- 238000007710 freezing Methods 0.000 title abstract description 5
- 230000008014 freezing Effects 0.000 title abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 88
- 239000002184 metal Substances 0.000 claims abstract description 88
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000003860 storage Methods 0.000 claims abstract description 10
- 239000012071 phase Substances 0.000 claims abstract description 5
- 239000011148 porous material Substances 0.000 claims description 65
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 8
- 150000004677 hydrates Chemical class 0.000 description 6
- 229910000266 aqualite Inorganic materials 0.000 description 5
- 229910000906 Bronze Inorganic materials 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000012782 phase change material Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/08—Coating, freezing, consolidating cores; Recovering uncontaminated cores or cores at formation pressure
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)
Abstract
The invention relates to a solid and liquid phase change cold source of a freezing and pressure-maintaining coring drilling tool. The solid and liquid phase change cold source consists of a heat exchange container, wherein the heat exchange container is arranged in the drilling tool and is used for storing a solid and liquid phase change material, the upper end of a cylinder body is connected with an upper end cover through threads, the lower end of the cylinder body is connected with a lower joint through threads, flow collecting plates are pressed at the upper part of the lower joint, a pipe through hole is formed in each flow collecting plate, pipe through holes are formed in a metal circular sheet and have the same number and diameter as those of the flow collecting plates, an outside passage of an U-shaped metal plate penetrates through the metal circular sheet and is inserted into the pipe through hole of the corresponding flow collecting plate, and an inside passage of the U-shaped metal pipe penetrates through the corresponding flow collecting plate and a step passage of the lower joint. Compared with the prior art, the solid and liquid phase change cold source has the advantages that the phase change latent heat property of cold storage mediums is utilized, and the required cold energy can be stored by smaller-size mediums; compared with a hydraulic hole bottom refrigerator, the structure is greatly simplified, the reliability of the cold source is improved, the manufacturing difficulty is decreased, and the manufacturing cost is reduced; the cold source generates solid and liquid phase change in the holes, and the gas is not exhausted into the holes, so any influence on the liquid column pressure in the holes is not generated, and the stability of the hole walls is favorably maintained.
Description
Technical field:
The present invention relates to a kind of solid-liquid phase change low-temperature receiver, especially gas hydrates ice-bound coring drilling with keep up pressure drilling tool
Solid-liquid phase change low-temperature receiver.
Background technology
Low-temperature receiver is the critical component of gas hydrates ice-bound coring drilling with keep up pressure drilling tool, has been largely fixed ice-bound
In-situ preparation ice valve at the bottom of coring drilling with keep up pressure operation hole or the speed of aqualite combination valve, the reliability of parts and volume are big
Little.
CN201679497U discloses one " Icebound type pressure-maintaining and temperature-preserving sampler ", uses cryogenic liquid to make
For low-temperature receiver, do not utilize the latent heat of phase change characteristic of low-temperature receiver medium, in the case of same volume, the cold energy of storage
Less, liquid storage volume is big, causes drilling tool size bigger.
CN102494428A discloses one " hydraulic down-hole refrigerator " and uses in hole by compressor system
Cold, structure is complicated, implements difficulty relatively big, and refrigerating speed is relatively slow, reaches to generate ice valve or aqualite meets the low of valve
Temperature required time is longer.And use liquid-gas phase transition refrigeration or solid-gas reaction refrigeration modes, need to discharge gas in hole
Body, is unfavorable for that hole wall is stable.
Summary of the invention:
The purpose of the present invention is that for above-mentioned the deficiencies in the prior art, it is provided that a kind of gas hydrates are ice-bound
The ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver of coring drilling with keep up pressure drilling tool
It is an object of the invention to be achieved through the following technical solutions:
Ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver, is by the heat exchange container storing solid-liquid phase change material in drilling tool
Composition:
Described solid-liquid phase change material 2 is the ethanol water by 50%-80% or the ethylene glycol of 45%-85%
Aqueous solution is constituted；
Store the heat exchange container of solid-liquid phase change material in described drilling tool, be to be passed through screw thread with upper by cylinder 3 upper end
End cap 1 connects, and cylinder 3 lower end is connected with lower contact 7 by screw thread, and lower contact 7 top is pressed with collector plate
6, collector plate 6 is spacing by cylinder 3 interior step, and lower contact 7 upper end is provided with lower contact annular groove V, outside
Being provided with two axial passages VI, center is lower contact step channel VII, and collector plate 6 is provided with 3～8 to crossing pore
IV, point inside and outside two circles are uniformly distributed, the collector plate of collector plate 6 outer ring cross pore IV through lower contact annular groove V with under
3～8 lower contact outer passage VI that joint 7 is provided with are connected, collector plate 6 inner ring cross pore with under connect
7 lower contact center step channel VII being provided with are through, and metal disk 5 is provided with centre bore II, and is provided with
With collector plate 6 equal number and the pore VIII excessively of diameter, U-shaped metal tube 4 outer passage III is through round metal
Sheet 5 pore VIII excessively inserts the pore IV excessively of collector plate 6, is led to outside lower contact 7 by lower contact annular groove V
Road VI is through, U-shaped metal tube 4 inner channel I through metal disk 5 cross pore VIII insert collector plate 6 with
Lower contact step channel VII is constituted.
Collector plate crosses pore IV and metal disk is crossed pore VIII and divided equally the inside and outside two paired uniform settings of circle, collector plate mistake
The radial distance of pore IV is the 2/3 of collector plate 6 radius.
The heat exchange container of interior storage solid-liquid phase change material is provided with multiple layer metal disk 5, between metal disk 5
Distance is 0.5mm-5mm.
U-shaped metal tube 4 and the good material of metal disk 5 red copper, aluminium alloy or heat conductivility make.
Beneficial effect: one is the latent heat of phase change characteristic that make use of cool storage medium, can store up with the medium of smaller size smaller
Deposit required cold energy；Two is that the structure refrigeration machine at the bottom of hole that relatively surges is greatly simplified, and adds the reliability of low-temperature receiver, reduces
Manufacture difficulty and cost；Three is that low-temperature receiver happens is that solid-liquid phase change in hole, does not discharge gas in hole, the most right
In hole, head of liquid generation any impact, beneficially hole wall are stable.
Accompanying drawing illustrates:
Accompanying drawing 1 is ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver front view
Accompanying drawing 2 is that Fig. 1 is along Section A-A figure
1 upper end cover, 2 solid-liquid phase change materials, 3 cylinders, 4U type metal tube, 5 metal disks, 6 collector plate,
7 lower contacts, I U-shaped metal tube inner channel, II metal disk centre bore is logical outside III U-shaped metal tube
Road, IV collector plate crosses pore, V lower contact annular groove, VI lower contact outer passage, VII lower contact step channel,
VIII metal disk crosses pore.
Detailed description of the invention:
It is described in further detail with example below in conjunction with the accompanying drawings:
Ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver, is by the heat exchange container storing solid-liquid phase change material in drilling tool
Composition:
Described solid-liquid phase change material 2 is the ethanol water by 50%-80% or the ethylene glycol of 45%-85%
Aqueous solution is constituted；
Store the heat exchange container of solid-liquid phase change material in described drilling tool, be to be passed through screw thread with upper by cylinder 3 upper end
End cap 1 connects, and cylinder 3 lower end is connected with lower contact 7 by screw thread, and lower contact 7 top is pressed with collector plate
6, collector plate 6 is spacing by cylinder 3 interior step, and lower contact 7 upper end is provided with lower contact annular groove V, outside
Being provided with two axial passages VI, center is lower contact step channel VII, and collector plate 6 is provided with 3～8 to crossing pore
IV, point inside and outside two circles are uniformly distributed, the collector plate of collector plate 6 outer ring cross pore IV through lower contact annular groove V with under
3～8 lower contact outer passage VI that joint 7 is provided with are connected, collector plate 6 inner ring cross pore with under connect
7 lower contact center step channel VII being provided with are through, and metal disk 5 is provided with centre bore II, and is provided with
With collector plate 6 equal number and the pore VIII excessively of diameter, U-shaped metal tube 4 outer passage III is through round metal
Sheet 5 pore VIII excessively inserts the pore IV excessively of collector plate 6, is led to outside lower contact 7 by lower contact annular groove V
Road VI is through, U-shaped metal tube 4 inner channel I through metal disk 5 cross pore VIII insert collector plate 6 with
Lower contact step channel VII is constituted.
Collector plate crosses pore IV and metal disk is crossed pore VIII and divided equally the inside and outside two paired uniform settings of circle, collector plate mistake
The radial distance of pore IV is the 2/3 of collector plate 6 radius.
The heat exchange container of interior storage solid-liquid phase change material is provided with multiple layer metal disk 5, between metal disk 5
Distance is 5mm.
U-shaped metal tube 4 and metal disk 5 red copper or aluminium alloy high thermal conductivity metal material make.
Embodiment 1
Store the heat exchange container of solid-liquid phase change material in tool, be by screw thread and upper end cover 1 by cylinder 3 upper end
Connecting, cylinder 3 lower end is connected with lower contact 7 by screw thread, and lower contact 7 top is pressed with collector plate 6, collection
Stream plate 6 is spacing by cylinder 3 interior step, and lower contact 7 upper end is provided with lower contact annular groove V, and outside is provided with
Two axial passages VI, center is lower contact step channel VII, collector plate 6 be provided with 3 to cross pore IV, point
Inside and outside two circles are uniformly distributed, and the collector plate of collector plate 6 outer ring crosses pore IV through lower contact annular groove V and lower contact 7
3 the lower contact outer passage VI being provided with are connected, and the pore of crossing of collector plate 6 inner ring is provided with lower contact 7
Lower contact center step channel VII through, metal disk 5 is provided with centre bore II, and is provided with and collector plate 6
Equal number and the pore VIII excessively of diameter, U-shaped metal tube 4 outer passage III crosses pore through metal disk 5
VIII pore IV excessively inserting collector plate 6, through with lower contact 7 outer passage VI by lower contact annular groove V, U
Shape metal tube 4 inner channel I is inserted collector plate 6 through metal disk 5 pore VIII excessively and is led to lower contact step
Road VII is constituted.
Collector plate crosses pore IV and metal disk is crossed pore VIII and divided equally the inside and outside two paired uniform settings of circle, collector plate mistake
The radial distance of pore IV is the 2/3 of collector plate 6 radius.
The heat exchange container of interior storage solid-liquid phase change material is provided with multiple layer metal disk 5, between metal disk 5
Distance is 5mm.
U-shaped metal tube 4 and metal disk 5 beryllium-bronze high thermal conductivity metal material make.
First, on the ground, open heat exchange container upper end cover 1, by the solid-liquid phase change material 2 of liquid be
The ethanol water of 50%-80%, injects heat exchange container along metal disk centre bore II, covers upper end cover 1；
Then, entirety is freezed in putting into ultra-low temperature constant temperature groove low temperature cold source so that it is temperature is reduced to below freezing point,
And occur liquid-solid-phase changeable to store cold；Finally, proceeded to the adiabatic storehouse in ice-bound coring drilling with keep up pressure drilling tool, with
Low-temperature receiver in hole is become in drilling tool access aperture.
When the ice-bound coring drilling with keep up pressure of needs, the down-the-hole pump in drilling tool orders about the cooling medium after intensification, from lower contact
Outer passage VI and lower contact annular groove V, cross pore IV by the outer ring in collector plate, flows into U-shaped metal tube
Outer passage II, passes to the solid-liquid between metal disk by metal tube 4 tube wall and metal disk 5 by heat
Phase-change material 2 and reduce temperature, then by U-shaped metal tube inner channel I, flow into lower contact stepped hole
Passage VII, flows to heat exchange window position bottom drilling tool, makes ice valve or aqualite combination valve gradually be formed, it is achieved
Gas hydrates rock core is carried out ice-bound pressurize.
Embodiment 2
Store the heat exchange container of solid-liquid phase change material in drilling tool, be by screw thread and upper end cover 1 by cylinder 3 upper end
Connecting, cylinder 3 lower end is connected with lower contact 7 by screw thread, and lower contact 7 top is pressed with collector plate 6, collection
Stream plate 6 is spacing by cylinder 3 interior step, and lower contact 7 upper end is provided with lower contact annular groove V, and outside is provided with
Two axial passages VI, center is lower contact step channel VII, collector plate 6 be provided with 5 to cross pore IV, point
Inside and outside two circles are uniformly distributed, and the collector plate of collector plate 6 outer ring crosses pore IV through lower contact annular groove V and lower contact 7
5 the lower contact outer passage VI being provided with are connected, and the pore of crossing of collector plate 6 inner ring is provided with lower contact 7
Lower contact center step channel VII through, metal disk 5 is provided with centre bore II, and is provided with and collector plate 6
Equal number and the pore VIII excessively of diameter, U-shaped metal tube 4 outer passage III crosses pore through metal disk 5
VIII pore IV excessively inserting collector plate 6, through with lower contact 7 outer passage VI by lower contact annular groove V, U
Shape metal tube 4 inner channel I is inserted collector plate 6 through metal disk 5 pore VIII excessively and is led to lower contact step
Road VII is constituted.
Collector plate crosses pore IV and metal disk is crossed pore VIII and divided equally the inside and outside two paired uniform settings of circle, collector plate mistake
The radial distance of pore IV is the 2/3 of collector plate 6 radius.
The heat exchange container of interior storage solid-liquid phase change material is provided with multiple layer metal disk 5, between metal disk 5
Distance is 5mm.
U-shaped metal tube 4 and metal disk 5 beryllium-bronze high thermal conductivity metal material make.
The most on the ground, open heat exchange container upper end cover 1, be 45%-85% by liquid solid-liquid phase change material 2
Glycol water, inject heat exchange container along metal disk centre bore II, cover upper end cover 1；Then,
Entirety is put in ultra-low temperature constant temperature groove low temperature cold source and is freezed so that it is temperature is reduced to below freezing point, concurrently
Give birth to liquid-solid-phase changeable and store cold；Finally, the adiabatic storehouse in ice-bound coring drilling with keep up pressure drilling tool is proceeded to, with drilling tool
Low-temperature receiver in hole is become in access aperture.
When the ice-bound coring drilling with keep up pressure of needs, the down-the-hole pump in drilling tool orders about the cooling medium after intensification, from lower contact
Outer passage VI and lower contact annular groove V, cross pore IV by the outer ring in collector plate, flows into U-shaped metal tube
Outer passage II, passes to the solid-liquid between metal disk by metal tube 4 tube wall and metal disk 5 by heat
Phase-change material 2 and reduce temperature, then by U-shaped metal tube inner channel I, flow into lower contact stepped hole
Passage VII, flows to heat exchange window position bottom drilling tool, makes ice valve or aqualite combination valve gradually be formed, it is achieved
Gas hydrates rock core is carried out ice-bound pressurize.
Embodiment 3
Store the heat exchange container of solid-liquid phase change material in drilling tool, be by screw thread and upper end cover 1 by cylinder 3 upper end
Connecting, cylinder 3 lower end is connected with lower contact 7 by screw thread, and lower contact 7 top is pressed with collector plate 6, collection
Stream plate 6 is spacing by cylinder 3 interior step, and lower contact 7 upper end is provided with lower contact annular groove V, and outside is provided with
Two axial passages VI, center is lower contact step channel VII, collector plate 6 be provided with 8 to cross pore IV, point
Inside and outside two circles are uniformly distributed, and the collector plate of collector plate 6 outer ring crosses pore IV through lower contact annular groove V and lower contact 7
8 the lower contact outer passage VI being provided with are connected, and the pore of crossing of collector plate 6 inner ring is provided with lower contact 7
Lower contact center step channel VII through, metal disk 5 is provided with centre bore II, and is provided with and collector plate 6
Equal number and the pore VIII excessively of diameter, U-shaped metal tube 4 outer passage III crosses pore through metal disk 5
VIII pore IV excessively inserting collector plate 6, through with lower contact 7 outer passage VI by lower contact annular groove V, U
Shape metal tube 4 inner channel I is inserted collector plate 6 through metal disk 5 pore VIII excessively and is led to lower contact step
Road VII is constituted.
Collector plate crosses pore IV and metal disk is crossed pore VIII and divided equally the inside and outside two paired uniform settings of circle, collector plate mistake
The radial distance of pore IV is the 2/3 of collector plate 6 radius.
The heat exchange container of interior storage solid-liquid phase change material is provided with multiple layer metal disk 5, between metal disk 5
Distance is 5mm.
U-shaped metal tube 4 and metal disk 5 make of beryllium-bronze.
The most on the ground, open heat exchange container upper end cover 1, be 50%-80% by liquid solid-liquid phase change material 2
Ethanol water, inject heat exchange container along metal disk centre bore II, cover upper end cover 1；Then, whole
Body is put in ultra-low temperature constant temperature groove low temperature cold source and is freezed so that it is temperature is reduced to below freezing point, and occurs
Liquid-solid-phase changeable and store cold；Finally, proceeded to the adiabatic storehouse in ice-bound coring drilling with keep up pressure drilling tool, entered with drilling tool
Low-temperature receiver in hole is become in hand-hole.
When the ice-bound coring drilling with keep up pressure of needs, the down-the-hole pump in drilling tool orders about the cooling medium after intensification, from lower contact
Outer passage VI and lower contact annular groove V, cross pore IV by the outer ring in collector plate, flows into U-shaped metal tube
Outer passage II, passes to the solid-liquid between metal disk by metal tube 4 tube wall and metal disk 5 by heat
Phase-change material 2 and reduce temperature, then by U-shaped metal tube inner channel I, flow into lower contact stepped hole
Passage VII, flows to heat exchange window position bottom drilling tool, makes ice valve or aqualite combination valve gradually be formed, it is achieved
Gas hydrates rock core is carried out ice-bound pressurize.
Claims (4)
1. an ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver, by storing solid-liquid phase change material in drilling tool
Heat exchange container forms, it is characterised in that:
Described solid-liquid phase change material (2) is the second two of the ethanol water by 50%-80% or 45%-85%
Alcohol-water solution is constituted；
Described solid-liquid phase change low-temperature receiver, employing solid-liquid phase change material is as low-temperature receiver, rather than solid and gas or liquid-gas phase transition material
Material；
Store the heat exchange container of solid-liquid phase change material in described drilling tool, be by cylinder (3) upper end by screw thread with
Upper end cover (1) connects, and cylinder (3) lower end is connected with lower contact (7) by screw thread, and lower contact (7) top is pressed with afflux
Plate (6), collector plate (6) is spacing by cylinder (3) interior step, and lower contact (7) upper end is provided with lower contact annular groove V,
Outside is provided with 3～8 axial passages VI, and center is lower contact step channel VII, and collector plate (6) is provided with 3～8
To crossing pore IV, point inside and outside two circles are uniformly distributed, and the collector plate of collector plate (6) outer ring crosses pore IV through lower contact
3～8 lower contact outer passage VI that annular groove V is provided with lower contact (7) are connected, collector plate (6) inner ring
Crossing pore through with the lower contact center step channel VII that lower contact (7) is provided with, metal disk (5) is provided with centre bore
II, and it is provided with pore VIII, U-shaped metal tube (4) outer passage excessively with collector plate (6) equal number and diameter
III crosses pore IV through what metal disk (5) crossed that pore VIII inserts collector plate (6), by lower contact annular groove V with under
Joint (7) outer passage VI is through, and U-shaped metal tube (4) inner channel I is crossed pore VIII through metal disk (5) and inserted
Enter collector plate (6) to constitute with lower contact step channel VII.
2. according to the ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver described in claim 1, it is characterised in that:
Collector plate crosses pore IV and metal disk is crossed pore VIII and divided equally the inside and outside two paired uniform settings of circle, and collector plate crosses pore
The radial distance of IV is the 2/3 of collector plate (6) radius.
3. according to the ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver described in claim 1, it is characterised in that:
The heat exchange container of interior storage solid-liquid phase change material is provided with multiple layer metal disk (5), between metal disk (5) away from
From for 0.5mm-5mm.
4. according to the ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver described in claim 1, it is characterised in that:
U-shaped metal tube (4) and metal disk (5) material that heat conductivility is good make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796176.2A CN104481440B (en) | 2014-12-18 | 2014-12-18 | Solid and liquid phase change cold source of freezing and pressure-maintaining coring drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796176.2A CN104481440B (en) | 2014-12-18 | 2014-12-18 | Solid and liquid phase change cold source of freezing and pressure-maintaining coring drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104481440A CN104481440A (en) | 2015-04-01 |
| CN104481440B true CN104481440B (en) | 2017-01-11 |
Family
ID=52756032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410796176.2A Expired - Fee Related CN104481440B (en) | 2014-12-18 | 2014-12-18 | Solid and liquid phase change cold source of freezing and pressure-maintaining coring drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104481440B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435525B (en) * | 2017-09-14 | 2023-04-07 | 吉林大学 | Heat pipe type magnetic refrigeration drilling flushing fluid underground cooling drilling tool |
| CN108360991B (en) * | 2018-03-24 | 2023-09-19 | 吉林大学 | Water pressure triggering type multi-point hot water core drill bit at bottom of ice layer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494428A (en) * | 2011-12-06 | 2012-06-13 | 吉林大学 | Hydraulic down-hole refrigerator |
| CN202734239U (en) * | 2012-06-17 | 2013-02-13 | 刘为敏 | Transverse multi-layered fin heat exchanger |
| CN203022668U (en) * | 2012-12-08 | 2013-06-26 | 吉林大学 | Liquid nitrogen hole bottom freezing rope coring drilling tool |
| CN203114218U (en) * | 2012-12-08 | 2013-08-07 | 吉林大学 | Non-hoisting hole bottom freezing rope coring drilling tool |
| CN204457539U (en) * | 2014-12-18 | 2015-07-08 | 吉林大学 | Ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2469621A (en) * | 2009-04-20 | 2010-10-27 | Tube Tech Int Ltd | Cleaning the exterior of tubes of a shell side of a core of a shell and tube heat exchanger |
-
2014
- 2014-12-18 CN CN201410796176.2A patent/CN104481440B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494428A (en) * | 2011-12-06 | 2012-06-13 | 吉林大学 | Hydraulic down-hole refrigerator |
| CN202734239U (en) * | 2012-06-17 | 2013-02-13 | 刘为敏 | Transverse multi-layered fin heat exchanger |
| CN203022668U (en) * | 2012-12-08 | 2013-06-26 | 吉林大学 | Liquid nitrogen hole bottom freezing rope coring drilling tool |
| CN203114218U (en) * | 2012-12-08 | 2013-08-07 | 吉林大学 | Non-hoisting hole bottom freezing rope coring drilling tool |
| CN204457539U (en) * | 2014-12-18 | 2015-07-08 | 吉林大学 | Ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104481440A (en) | 2015-04-01 |
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