CN104481440A - 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
- CN104481440A CN104481440A CN201410796176.2A CN201410796176A CN104481440A CN 104481440 A CN104481440 A CN 104481440A CN 201410796176 A CN201410796176 A CN 201410796176A CN 104481440 A CN104481440 A CN 104481440A
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- China
- Prior art keywords
- phase change
- lower contact
- solid
- liquid phase
- collector plate
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- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 55
- 239000007791 liquid phase Substances 0.000 title claims abstract description 45
- 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
- 239000002184 metal Substances 0.000 claims abstract description 88
- 229910052751 metal Inorganic materials 0.000 claims abstract description 88
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 9
- 239000012071 phase Substances 0.000 claims abstract description 5
- 239000011148 porous material Substances 0.000 claims description 65
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 8
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 150000004677 hydrates Chemical class 0.000 description 6
- 229910000266 aqualite Inorganic materials 0.000 description 5
- 230000015572 biosynthetic process Effects 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
- 239000011435 rock Substances 0.000 description 3
- 238000005057 refrigeration Methods 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
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002360 preparation method 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
- 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 the solid-liquid phase change low-temperature receiver of the ice-bound coring drilling with keep up pressure drilling tool of gas hydrates.
Background technology
Low-temperature receiver is the critical component of the ice-bound coring drilling with keep up pressure drilling tool of gas hydrates, determines in-situ preparation ice valve or the speed of aqualite combination valve, the reliability of parts and volume size at the bottom of ice-bound coring drilling with keep up pressure operation hole to a great extent.
CN201679497U discloses one " Icebound type pressure-maintaining and temperature-preserving sampler ", adopts cryogenic liquid as low-temperature receiver, does not utilize the latent heat of phase change characteristic of low-temperature receiver medium, in same volume situation, the cold energy stored is less, and liquid storage volume is large, causes drilling tool size larger.
CN102494428A discloses one " hydraulic down-hole refrigerator " and adopts and freeze with compressor in hole, and complex structure, implements difficulty comparatively large, and refrigerating speed is comparatively slow, reaches to generate ice valve or aqualite to meet the low temperature required time of valve longer.And adopt liquid-gas phase transition to freeze or solid-gas reaction refrigeration modes, need emission gases in hole, be unfavorable for that hole wall is stablized.
Summary of the invention:
Object of the present invention is just for above-mentioned the deficiencies in the prior art, provides the ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver of a kind of gas hydrates ice-bound coring drilling with keep up pressure drilling tool
The object of the invention is 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 made up of the heat exchange container storing solid-liquid phase change material in drilling tool:
Described solid-liquid phase change material 2 is made up of the ethanol water of 50%-80% or the glycol water of 45%-85%;
The heat exchange container of solid-liquid phase change material is stored in described drilling tool, be connected with upper end cover 1 by screw thread by cylindrical shell 3 upper end, cylindrical shell 3 lower end is connected with lower contact 7 by screw thread, lower contact 7 top is pressed with collector plate 6, collector plate 6 is spacing by cylindrical shell 3 interior step, lower contact 7 upper end is provided with lower contact annular groove V, outside is provided with two axial passages VI, center is lower contact step channel VII, collector plate 6 is provided with 3 ~ 8 to crossing pore IV, inside and outside point, two circles are uniformly distributed, the collector plate of collector plate 6 outer ring is crossed 3 ~ 8 lower contact outer passage VI that pore IV is provided with through lower contact annular groove V and lower contact 7 and is connected, the lower contact center step channel VII that pore and the lower contact 7 excessively of collector plate 6 inner ring are provided with is through, metal disk 5 is provided with centre bore II, and the pore VIII be excessively provided with collector plate 6 equal number and diameter, U-shaped metal tube 4 outer passage III inserts the pore IV excessively of collector plate 6 through metal disk 5 mistake pore VIII, through by lower contact annular groove V and lower contact 7 outer passage VI, U-shaped metal tube 4 inner channel I is crossed pore VIII through metal disk 5 and is inserted collector plate 6 and lower contact step channel VII formation.
Collector plate is crossed pore IV and metal disk and is crossed pore VIII and divide equally the paired uniform setting of inside and outside two circle, and the radial distance that collector plate crosses pore IV is 2/3 of collector plate 6 radius.
Be provided with multiple layer metal disk 5 in the heat exchange container of interior storage solid-liquid phase change material, the distance between metal disk 5 is 0.5mm-5mm.
U-shaped metal tube 4 and the good material of metal disk 5 red copper, aluminium alloys or heat conductivility make.
Beneficial effect: one is the latent heat of phase change characteristic that make use of cool storage medium, can store required cold energy with the medium of smaller size smaller; Two is that the structure refrigeration machine at the bottom of hole that comparatively surges simplifies greatly, adds the reliability of low-temperature receiver, reduces manufacture difficulty and cost; Three what be that low-temperature receiver occurs in hole is solid-liquid phase change, not to emission gases in hole, does not produce any impact to head of liquid in hole, is conducive to hole wall and stablizes.
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 A-A sectional view
1 upper end cover, 2 solid-liquid phase change materials, 3 cylindrical shells, 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, III U-shaped metal tube outer passage, 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:
Be described in further detail below in conjunction with accompanying drawing and example:
Ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver, is made up of the heat exchange container storing solid-liquid phase change material in drilling tool:
Described solid-liquid phase change material 2 is made up of the ethanol water of 50%-80% or the glycol water of 45%-85%;
The heat exchange container of solid-liquid phase change material is stored in described drilling tool, be connected with upper end cover 1 by screw thread by cylindrical shell 3 upper end, cylindrical shell 3 lower end is connected with lower contact 7 by screw thread, lower contact 7 top is pressed with collector plate 6, collector plate 6 is spacing by cylindrical shell 3 interior step, lower contact 7 upper end is provided with lower contact annular groove V, outside is provided with two axial passages VI, center is lower contact step channel VII, collector plate 6 is provided with 3 ~ 8 to crossing pore IV, inside and outside point, two circles are uniformly distributed, the collector plate of collector plate 6 outer ring is crossed 3 ~ 8 lower contact outer passage VI that pore IV is provided with through lower contact annular groove V and lower contact 7 and is connected, the lower contact center step channel VII that pore and the lower contact 7 excessively of collector plate 6 inner ring are provided with is through, metal disk 5 is provided with centre bore II, and the pore VIII be excessively provided with collector plate 6 equal number and diameter, U-shaped metal tube 4 outer passage III inserts the pore IV excessively of collector plate 6 through metal disk 5 mistake pore VIII, through by lower contact annular groove V and lower contact 7 outer passage VI, U-shaped metal tube 4 inner channel I is crossed pore VIII through metal disk 5 and is inserted collector plate 6 and lower contact step channel VII formation.
Collector plate is crossed pore IV and metal disk and is crossed pore VIII and divide equally the paired uniform setting of inside and outside two circle, and the radial distance that collector plate crosses pore IV is 2/3 of collector plate 6 radius.
Be provided with multiple layer metal disk 5 in the heat exchange container of interior storage solid-liquid phase change material, the distance between metal disk 5 is 5mm.
U-shaped metal tube 4 and metal disk 5 red copper or aluminium alloys high thermal conductivity metal material make.
Embodiment 1
The heat exchange container of solid-liquid phase change material is stored in tool, be connected with upper end cover 1 by screw thread by cylindrical shell 3 upper end, cylindrical shell 3 lower end is connected with lower contact 7 by screw thread, lower contact 7 top is pressed with collector plate 6, collector plate 6 is spacing by cylindrical shell 3 interior step, lower contact 7 upper end is provided with lower contact annular groove V, outside is provided with two axial passages VI, center is lower contact step channel VII, collector plate 6 is provided with 3 to crossing pore IV, inside and outside point, two circles are uniformly distributed, the collector plate of collector plate 6 outer ring is crossed 3 lower contact outer passage VI that pore IV is provided with through lower contact annular groove V and lower contact 7 and is connected, the lower contact center step channel VII that pore and the lower contact 7 excessively of collector plate 6 inner ring are provided with is through, metal disk 5 is provided with centre bore II, and the pore VIII be excessively provided with collector plate 6 equal number and diameter, U-shaped metal tube 4 outer passage III inserts the pore IV excessively of collector plate 6 through metal disk 5 mistake pore VIII, through by lower contact annular groove V and lower contact 7 outer passage VI, U-shaped metal tube 4 inner channel I is crossed pore VIII through metal disk 5 and is inserted collector plate 6 and lower contact step channel VII formation.
Collector plate is crossed pore IV and metal disk and is crossed pore VIII and divide equally the paired uniform setting of inside and outside two circle, and the radial distance that collector plate crosses pore IV is 2/3 of collector plate 6 radius.
Be provided with multiple layer metal disk 5 in the heat exchange container of interior storage solid-liquid phase change material, the distance between metal disk 5 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, be the ethanol water of 50%-80% by the solid-liquid phase change material 2 of liquid state, inject heat exchange container along metal disk centre bore II, cover upper end cover 1; Then, entirety is put into ultra-low temperature constant temperature groove low temperature cold source and is freezed, and makes its temperature be reduced to below freezing point, and liquid-solid-phase changeable occurs and stores cold; Finally, proceeded to the adiabatic storehouse in ice-bound coring drilling with keep up pressure drilling tool, become low-temperature receiver in hole with in drilling tool access aperture.
When the ice-bound coring drilling with keep up pressure of needs, 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, pore IV is crossed by the outer ring in collector plate, flow into U-shaped metal tube outer passage II, heat is passed to the solid-liquid phase change material 2 between metal disk by metal tube 4 tube wall and metal disk 5 and reduces temperature, then by U-shaped metal tube inner channel I, flow into lower contact stepped hole passage VII, flow to heat exchange window position bottom drilling tool, ice valve or aqualite combination valve are formed gradually, realize carrying out ice-bound pressurize to gas hydrates rock core.
Embodiment 2
The heat exchange container of solid-liquid phase change material is stored in drilling tool, be connected with upper end cover 1 by screw thread by cylindrical shell 3 upper end, cylindrical shell 3 lower end is connected with lower contact 7 by screw thread, lower contact 7 top is pressed with collector plate 6, collector plate 6 is spacing by cylindrical shell 3 interior step, lower contact 7 upper end is provided with lower contact annular groove V, outside is provided with two axial passages VI, center is lower contact step channel VII, collector plate 6 is provided with 5 to crossing pore IV, inside and outside point, two circles are uniformly distributed, the collector plate of collector plate 6 outer ring is crossed 5 lower contact outer passage VI that pore IV is provided with through lower contact annular groove V and lower contact 7 and is connected, the lower contact center step channel VII that pore and the lower contact 7 excessively of collector plate 6 inner ring are provided with is through, metal disk 5 is provided with centre bore II, and the pore VIII be excessively provided with collector plate 6 equal number and diameter, U-shaped metal tube 4 outer passage III inserts the pore IV excessively of collector plate 6 through metal disk 5 mistake pore VIII, through by lower contact annular groove V and lower contact 7 outer passage VI, U-shaped metal tube 4 inner channel I is crossed pore VIII through metal disk 5 and is inserted collector plate 6 and lower contact step channel VII formation.
Collector plate is crossed pore IV and metal disk and is crossed pore VIII and divide equally the paired uniform setting of inside and outside two circle, and the radial distance that collector plate crosses pore IV is 2/3 of collector plate 6 radius.
Be provided with multiple layer metal disk 5 in the heat exchange container of interior storage solid-liquid phase change material, the distance between metal disk 5 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, be the glycol water of 45%-85% by liquid solid-liquid phase change material 2, inject heat exchange container along metal disk centre bore II, cover upper end cover 1; Then, entirety is put into ultra-low temperature constant temperature groove low temperature cold source and is freezed, and makes its temperature be reduced to below freezing point, and liquid-solid-phase changeable occurs and stores cold; Finally, proceeded to the adiabatic storehouse in ice-bound coring drilling with keep up pressure drilling tool, become low-temperature receiver in hole with in drilling tool access aperture.
When the ice-bound coring drilling with keep up pressure of needs, 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, pore IV is crossed by the outer ring in collector plate, flow into U-shaped metal tube outer passage II, heat is passed to the solid-liquid phase change material 2 between metal disk by metal tube 4 tube wall and metal disk 5 and reduces temperature, then by U-shaped metal tube inner channel I, flow into lower contact stepped hole passage VII, flow to heat exchange window position bottom drilling tool, ice valve or aqualite combination valve are formed gradually, realize carrying out ice-bound pressurize to gas hydrates rock core.
Embodiment 3
The heat exchange container of solid-liquid phase change material is stored in drilling tool, be connected with upper end cover 1 by screw thread by cylindrical shell 3 upper end, cylindrical shell 3 lower end is connected with lower contact 7 by screw thread, lower contact 7 top is pressed with collector plate 6, collector plate 6 is spacing by cylindrical shell 3 interior step, lower contact 7 upper end is provided with lower contact annular groove V, outside is provided with two axial passages VI, center is lower contact step channel VII, collector plate 6 is provided with 8 to crossing pore IV, inside and outside point, two circles are uniformly distributed, the collector plate of collector plate 6 outer ring is crossed 8 lower contact outer passage VI that pore IV is provided with through lower contact annular groove V and lower contact 7 and is connected, the lower contact center step channel VII that pore and the lower contact 7 excessively of collector plate 6 inner ring are provided with is through, metal disk 5 is provided with centre bore II, and the pore VIII be excessively provided with collector plate 6 equal number and diameter, U-shaped metal tube 4 outer passage III inserts the pore IV excessively of collector plate 6 through metal disk 5 mistake pore VIII, through by lower contact annular groove V and lower contact 7 outer passage VI, U-shaped metal tube 4 inner channel I is crossed pore VIII through metal disk 5 and is inserted collector plate 6 and lower contact step channel VII formation.
Collector plate is crossed pore IV and metal disk and is crossed pore VIII and divide equally the paired uniform setting of inside and outside two circle, and the radial distance that collector plate crosses pore IV is 2/3 of collector plate 6 radius.
Be provided with multiple layer metal disk 5 in the heat exchange container of interior storage solid-liquid phase change material, the distance between metal disk 5 is 5mm.
U-shaped metal tube 4 and metal disk 5 make of beryllium-bronze.
First on the ground, open heat exchange container upper end cover 1, be the ethanol water of 50%-80% by liquid solid-liquid phase change material 2, inject heat exchange container along metal disk centre bore II, cover upper end cover 1; Then, entirety is put into ultra-low temperature constant temperature groove low temperature cold source and is freezed, and makes its temperature be reduced to below freezing point, and liquid-solid-phase changeable occurs and stores cold; Finally, proceeded to the adiabatic storehouse in ice-bound coring drilling with keep up pressure drilling tool, become low-temperature receiver in hole with in drilling tool access aperture.
When the ice-bound coring drilling with keep up pressure of needs, 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, pore IV is crossed by the outer ring in collector plate, flow into U-shaped metal tube outer passage II, heat is passed to the solid-liquid phase change material 2 between metal disk by metal tube 4 tube wall and metal disk 5 and reduces temperature, then by U-shaped metal tube inner channel I, flow into lower contact stepped hole passage VII, flow to heat exchange window position bottom drilling tool, ice valve or aqualite combination valve are formed gradually, realize carrying out ice-bound pressurize to gas hydrates rock core.
Claims (4)
1. an ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver, is made up of the heat exchange container storing solid-liquid phase change material in drilling tool, it is characterized in that:
Described solid-liquid phase change material (2) is made up of the ethanol water of 50%-80% or the glycol water of 45%-85%;
Described solid-liquid phase change low-temperature receiver, adopts solid-liquid phase change material as low-temperature receiver, but not solid and gas or liquid-gas phase transition material.
The heat exchange container of solid-liquid phase change material is stored in described drilling tool, be connected with upper end cover (1) by screw thread by cylindrical shell (3) upper end, cylindrical shell (3) lower end is connected with lower contact (7) by screw thread, lower contact (7) top is pressed with collector plate (6), collector plate (6) is spacing by cylindrical shell (3) interior step, lower contact (7) upper end is provided with lower contact annular groove V, outside is provided with 3 ~ 8 axial passages VI, center is lower contact step channel VII, collector plate (6) is provided with 3 ~ 8 to crossing pore IV, inside and outside point, two circles are uniformly distributed, the collector plate of collector plate (6) outer ring is crossed 3 ~ 8 lower contact outer passage VI that pore IV is provided with through lower contact annular groove V and lower contact (7) and is connected, the lower contact center step channel VII that pore and the lower contact (7) excessively of collector plate (6) inner ring are provided with is through, metal disk (5) is provided with centre bore II, and the pore VIII be excessively provided with collector plate (6) equal number and diameter, U-shaped metal tube (4) outer passage III inserts the pore IV excessively of collector plate (6) through metal disk (5) mistake pore VIII, through by lower contact annular groove V and lower contact (7) outer passage VI, U-shaped metal tube (4) inner channel I is inserted collector plate (6) through metal disk (5) mistake pore VIII and is formed with lower contact step channel VII.
2. according to ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver according to claim 1, it is characterized in that: collector plate is crossed pore IV and metal disk and crossed pore VIII and divide equally the paired uniform setting of inside and outside two circle, and the radial distance that collector plate crosses pore IV is 2/3 of collector plate (6) radius.
3. according to ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver according to claim 1, it is characterized in that: be provided with multiple layer metal disk (5) in the heat exchange container of interior storage solid-liquid phase change material, the distance between metal disk (5) is 0.5mm-5mm.
4. according to ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver according to claim 1, it is characterized in that: U-shaped metal tube (4) and metal disk (5) use the material that red copper, aluminium alloys or heat conductivility are good to 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 true CN104481440A (en) | 2015-04-01 |
| CN104481440B CN104481440B (en) | 2017-01-11 |
Family
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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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435525A (en) * | 2017-09-14 | 2017-12-05 | 吉林大学 | A kind of heat pipe-type magnetic refrigeration wellbore flushing liquid earth cooling drilling tool |
| CN108360991A (en) * | 2018-03-24 | 2018-08-03 | 吉林大学 | A kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit |
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| 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 |
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2014
- 2014-12-18 CN CN201410796176.2A patent/CN104481440B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20120031436A1 (en) * | 2009-04-20 | 2012-02-09 | Tube Tech International Ltd | Cleaning the shell side of a heat exchanger core |
| 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 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107435525A (en) * | 2017-09-14 | 2017-12-05 | 吉林大学 | A kind of heat pipe-type magnetic refrigeration wellbore flushing liquid earth cooling drilling tool |
| CN107435525B (en) * | 2017-09-14 | 2023-04-07 | 吉林大学 | Heat pipe type magnetic refrigeration drilling flushing fluid underground cooling drilling tool |
| CN108360991A (en) * | 2018-03-24 | 2018-08-03 | 吉林大学 | A kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104481440B (en) | 2017-01-11 |
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