CN208154860U - A kind of hot dry rock double-layer horizontal multiple-limb heat exchange well system - Google Patents
A kind of hot dry rock double-layer horizontal multiple-limb heat exchange well system Download PDFInfo
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- CN208154860U CN208154860U CN201820398305.6U CN201820398305U CN208154860U CN 208154860 U CN208154860 U CN 208154860U CN 201820398305 U CN201820398305 U CN 201820398305U CN 208154860 U CN208154860 U CN 208154860U
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- 239000011435 rock Substances 0.000 title claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 137
- 238000002347 injection Methods 0.000 claims abstract description 83
- 239000007924 injection Substances 0.000 claims abstract description 83
- 230000007423 decrease Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 235000020681 well water Nutrition 0.000 claims description 3
- 239000002349 well water Substances 0.000 claims description 3
- 235000014171 carbonated beverage Nutrition 0.000 claims 1
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract description 10
- 238000005553 drilling Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/20—Geothermal collectors using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a kind of hot dry rock double-layer horizontal multiple-limb heat exchange well systems,Technical solution is,Including water injection well sum aggregate vapour well,Water injection well sum aggregate vapour well protrudes into earth's surface xeothermic rock stratum below,The water injection well for protruding into xeothermic rock stratum part includes multiple water injection well horizontal segments protruded horizontally up towards surrounding,Ji Qijing has multiple,The Ji Qijing for protruding into xeothermic rock stratum part includes horizontally disposed collection vapour well horizontal segment,It is provided on each water injection well horizontal segment and is connected with its inner cavity,In the multiple water filling horizontal segment Multilateral Wells protruded horizontally up to two sides,It is provided on each collection vapour well horizontal segment and is connected with its inner cavity,In the multiple collection vapour horizontal segment Multilateral Wells protruded horizontally up to two sides,The multiple Ji Qijing of the utility model share a water injection well,Greatly reduce drilling well length,Increase the heat exchange area of water injection well sum aggregate vapour well in xeothermic rock stratum,Improve the efficiency of heat exchange,Improve the heat utilization ratio of hot dry rock power generation.
Description
Technical field
The utility model relates to hot dry rock heat exchange wells, especially a kind of hot dry rock double-layer horizontal multiple-limb heat exchange well system
System.
Background technique
Hot dry rock (HDR) refers to that underground is a kind of without water or the hot rock mass of steam, mainly various metamorphic rocks or CRYSTALLINE ROCKS
(such as granite) class rock mass, heat radiation conduction or pyromagma of the hot dry rock by earth depths invade and form high temperature rock after solidification
Layer, in theory, hot dry rock is a kind of geothermal energy resources.In academia, hot dry rock is sometimes referred to as " hot dry rock ", English name
Referred to as " Hot Dry Rock ".The distribution of hot dry rock almost extends over the entire globe, as the earth is to the underground heat lift-rising in deep, any area
Hot dry rock can be developed by reaching certain depth, therefore it is ubiquitous resource that hot dry rock, which is otherwise known as,.
It is shown according to 2006 annual report of Massachusetts Institute Technology, as long as 3500-7500 meter depths 2% does on the exploitation earth
Hot rock resource reserve, the thermal energy obtained that can exchange heat is about 12.6X1026J (joule), be equivalent to worldwide coal and petroleum,
More than 30 times of the recoverable reserves such as natural gas institute heat content.
According to adjusting office's evaluation result in 2015 to show Chinesely, national land-based area hot dry rock mining resources amount (in terms of 2%) is suitable
It in 17,000,000,000,000 tons of standard coals, is calculated according to coal consumptions in 2016,17,000,000,000,000 tons of standard coals can be used 3900.
Currently, development and utilization of the people to hot dry rock, mainly generate electricity.Hot dry rock is as a kind of reproducible cleaning energy
Source can be utilized extensively in geothermal power generation.Dry-hot-rock geothermal power generation cost of electricity-generating can not only be greatly lowered and without any
Pollution, and do not restricted by season, weather etc., for average annual generating dutation up to 6000 hours or more, cost of electricity-generating was about wind-powered electricity generation
, the about 1/5-1/8 of photovoltaic power generation, with very strong electricity price competitiveness.Hot dry rock power generation basic principle be：It is logical
Deep-well is crossed by the rock stratum of 2000~6000 meters of underground of high pressure water injection, it is made to penetrate into gap that rock stratum artificial fracturing is produced simultaneously
Absorb geothermal energy；The high-temperature vapor in rock fracture is extracted by ground by another dedicated deep-well again；The water of taking-up
Steam temperature is up to 150~600 DEG C, by heat exchange and ground circulator for generating electricity；Water after cooling is again by height
Press pump injects earth tube heat exchanger and is recycled.Whole process is carried out in a closed system.It is existing xeothermic
Rock exchanges heat, and well structure is single, and mostly single branch inclined shaft type, the heat exchange area that it protrudes into xeothermic rock stratum is small, therefore its heat exchange efficiency and changes
Heat is lower, it is difficult to realize the hot dry rock power generating industry of high efficiency, low cost.Therefore, hot dry rock heat exchange well structure is improved,
Heat exchange efficiency is improved with regard to imperative.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the purpose of the utility model is just to provide a kind of hot dry rock
Double-layer horizontal multiple-limb heat exchange well system, can effectively solve that existing hot dry rock heat exchange well system heat exchange amount is small and low efficiency is asked
Topic.
The technical solution that the utility model solves is a kind of hot dry rock double-layer horizontal multiple-limb heat exchange well system, including note
Well (also known as fractured well) sum aggregate vapour well (also known as producing well, adopt hot well), it is below dry that water injection well sum aggregate vapour well protrudes into earth's surface
Hot rock stratum, the water injection well sum aggregate vapour well for not extending into xeothermic rock stratum part are provided with the borehole wall (also known as well cementation section), protrude into hot dry rock
The water injection well of layer part includes multiple water injection well horizontal segments protruded horizontally up towards surrounding, and Ji Qijing has multiple, protrudes into xeothermic rock stratum
Partial Ji Qijing includes horizontally disposed collection vapour well horizontal segment, collects the total of total quantity and the water injection well horizontal segment of vapour well horizontal segment
Quantity is equal and corresponds, and is provided on each water injection well horizontal segment and is connected with its inner cavity, protrudes horizontally up in two sides
Multiple water filling horizontal segment Multilateral Wells, be provided on each collection vapour well horizontal segment and be connected with its inner cavity, in two sides level
The multiple collection vapour horizontal segment Multilateral Wells stretched out, the collection flat section of vapour well water are located at the surface of corresponding water injection well horizontal segment, collection
The collection vapour horizontal segment Multilateral Wells of vapour well horizontal segment two sides are located at the water filling horizontal segment point of corresponding water injection well horizontal segment two sides
The surface of Zhi Jing, the upper oral part of water injection well sum aggregate vapour well stretch out earth's surface, and the upper oral part of water injection well passes through the first transfer pipeline
It is connected with the water outlet of high-pressure hydraulic pump, the water inlet of high-pressure hydraulic pump is connected with the water outlet of reservoir, and each Ji Qijing's is suitable for reading
Portion passes through the second transfer pipeline respectively and is connected with the steam inlet of generating equipment, the circulating water outlet of generating equipment and reservoir
Import is connected, and constitutes underground heat heat exchange cycle electrification structure.
The water filling horizontal segment Multilateral Wells include the first water filling in left and right interlaced arrangement in water injection well horizontal segment two sides
The length of branch and the second water filling branch, the first water filling branch and the second water filling branch is in by close to wellhead of water injection well side direction
Successively decrease far from wellhead of water injection well side；The first water filling branch is in the ramp-like side that water injection well horizontal segment is arranged in that turns forward,
Second water filling branch is in the ramp-like other side that water injection well horizontal segment is arranged in that turns forward.
The collection vapour horizontal segment Multilateral Wells include the first collection vapour in left and right interlaced arrangement in collection vapour well horizontal segment two sides
The length of branch and the second Ji Qi branch, the first Ji Qi branch and the second Ji Qi branch is in by close to collection vapour well well head side direction
Successively decrease far from collection vapour well well head side；The first Ji Qi branch is in the ramp-like side that collection vapour well horizontal segment is arranged in that turns forward,
Second Ji Qi branch is in the ramp-like other side that collection vapour well horizontal segment is arranged in that turns forward.
It is provided in xeothermic rock stratum between the water injection well horizontal segment and the water injection well for not extending into xeothermic rock stratum part
Water injection well changeover portion (also known as inclination section)；It is set between collection vapour well horizontal segment and the collection vapour well for not extending into xeothermic rock stratum part
It is equipped with the collection vapour well changeover portion (also known as inclination section) being located in xeothermic rock stratum, the inner wall of water injection well changeover portion sum aggregate vapour well changeover portion
On be provided with the borehole wall of cementing the well made of steel sleeve and concrete.
The Ji Qijing has 2-6 for being evenly arranged on water injection well surrounding.
The utility model structure novel is unique, and advantages of simple, multiple Ji Qijing share a water injection well, greatly reduce brill
Well length, while increasing the heat exchange area of water injection well sum aggregate vapour well in xeothermic rock stratum again, the efficiency of heat exchange is improved, thus
The heat utilization ratio for having improved hot dry rock power generation, can effectively reduce hot dry rock cost of electricity-generating, be the development and utilization of hot dry rock heat
On innovation, have good social and economic benefit.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the utility model.
Fig. 2 is the top view of the utility model water injection well horizontal segment.
Fig. 3 is the top view of the utility model collection vapour well horizontal segment.
Fig. 4 is that the utility model overlooks connection schematic diagram (including 3 Ji Qijing)
Fig. 5,6 are the utility model well location layout drawing, and wherein Fig. 5 includes 6 Ji Qijing, and Fig. 6 includes 4 Ji Qijing.
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
It is provided by Fig. 1-6, the utility model includes 2 sum aggregate vapour well 3 of water injection well, and 2 sum aggregate vapour well 3 of water injection well protrudes into earth's surface
1 xeothermic rock stratum 10 below, the 2 sum aggregate vapour well 3 of water injection well for not extending into xeothermic rock stratum part are provided with the borehole wall, protrude into xeothermic
The water injection well of rock stratum part includes multiple water injection well horizontal segments 6 protruded horizontally up towards surrounding, and collection vapour well 3 has multiple, is protruded into xeothermic
The Ji Qijing of rock stratum part includes horizontally disposed collection vapour well horizontal segment 7, and total quantity and the water injection well for collecting vapour well horizontal segment 7 are horizontal
The total quantity of section 6 is equal and corresponds, and is provided on each water injection well horizontal segment and is connected with its inner cavity, in two sides
The multiple water filling horizontal segment Multilateral Wells 8 protruded horizontally up are provided on each collection vapour well horizontal segment 7 and are connected with its inner cavity, are in
The multiple collection vapour horizontal segment Multilateral Wells 9 protruded horizontally up to two sides, the collection flat section of vapour well water are located at corresponding water injection well horizontal segment
Surface, the collection vapour horizontal segment Multilateral Wells of collection vapour well horizontal segment two sides are located at the notes of corresponding water injection well horizontal segment two sides
The upper oral part of the surface of water horizontal segment Multilateral Wells, 2 sum aggregate vapour well 3 of water injection well stretches out earth's surface, and the upper oral part of water injection well 2 passes through
First transfer pipeline 11 is connected with the water outlet of high-pressure hydraulic pump 15, the water outlet phase of the water inlet and reservoir 16 of high-pressure hydraulic pump 15
Even, the upper oral part of each collection vapour well 3 passes through the second transfer pipeline 12 respectively and is connected with the steam inlet of generating equipment 17, and power generation is set
Standby 17 circulating water outlet is connected with the import of reservoir 16, constitutes underground heat heat exchange cycle electrification structure.
To guarantee that using effect, the water filling horizontal segment Multilateral Wells 8 include in left and right interlaced arrangement in water injection well level
The length of first water filling branch 8a of 6 two sides of section and the second water filling branch 8b, the first water filling branch 8a and the second water filling branch 8b
Successively decrease in by being directed away from wellhead of water injection well side close to wellhead of water injection well side；The first water filling branch 8a is in turn forward
Shape is arranged in the side of water injection well horizontal segment 6, and in turning forward ramp-like the another of water injection well horizontal segment 6 is arranged in the second water filling branch 8b
The angle of side, the first water filling branch 8a and the second water filling branch 8b and water injection well horizontal segment is 20 ° -50 °；
The collection vapour horizontal segment Multilateral Wells 9 include the first collection in left and right interlaced arrangement in collection 7 two sides of vapour well horizontal segment
The length of vapour branch 9a and the second Ji Qi branch 9b, the first Ji Qi branch 9a and the second Ji Qi branch 9b are in by close to collection vapour
Well well head side is directed away from collection vapour well well head side and successively decreases；The first Ji Qi branch 9a is in ramp-like be arranged in Ji Qijing that turn forward
The side of horizontal segment 7, the second Ji Qi branch 9b are in the ramp-like other side that collection vapour well horizontal segment 7 is arranged in that turns forward, the first collection vapour
The angle of branch 9a and the second Ji Qi branch 9b and collection vapour well horizontal segment is 20 ° -50 °.
It is provided with the first valve 13 on the first transfer pipeline 11 between 2 upper oral part of the high-pressure hydraulic pump 15 and water injection well,
The second valve 14 is respectively arranged on the second transfer pipeline 12 between each collection 3 upper oral part of vapour well and generating equipment 17；It is described
To be tightly connected between 2 upper oral part of first transfer pipeline 11 and water injection well, the second transfer pipeline 12 and collection 3 upper oral part of vapour well it
Between for be tightly connected.
It is provided in xeothermic rock stratum between the water injection well horizontal segment 6 and the water injection well for not extending into xeothermic rock stratum part
Water injection well changeover portion 4；It is provided with to be located between collection vapour well horizontal segment 7 and the collection vapour well for not extending into xeothermic rock stratum part and do
Collection vapour well changeover portion 5 in hot rock stratum, be provided on the inner wall of 4 sum aggregate vapour well changeover portion 5 of water injection well changeover portion steel sleeve and
The well cementation borehole wall 19 made of concrete.
The spacing for integrating vapour well horizontal segment 7 and water injection well horizontal segment 6, specifically can be according to artificial fracturing as 30-300m
Depending on the length of crack stretching, extension, the spacing of wellhead of water injection well sum aggregate vapour well well head is 50-500m, and specific well site size and well depth are each
A combined factors determine after considering；It is provided with heat exchanger 18 between the generating equipment 17 and reservoir 16, makes residual steam
It is completely converted into water, is prevented water from running off, the generating equipment 17 includes steam turbine and generator, the steaming that collection vapour well 3 comes out
Vapour enters steam turbine acting by electrical power generators, and by heat exchanger, (exchanger can be condenser etc. and changes steam out
Hot equipment) it comes back to reservoir 16 and recycles.
When the utility model is used, first pass through high-pressure hydraulic pump and inject high-pressure cold water to water injection well shaft bottom, xeothermic rock by
The water effect of expanding with heat and contract with cold forms many cracks, and the part crack that xeothermic rock stratum Central Plains originally has originally has when high pressure water injection
Crack can broaden or misplace bigger, enhance the permeability between crack, water passes through between these cracks, that is, passes through hydraulic fracturing
Mode connect the water injection well sum aggregate vapour well in xeothermic rock stratum, water penetration enters crack and absorbs xeothermic rock stratum geothermal energy, shape
At high-temperature high-pressure steam, it finally is discharged into power generation from Ji Qijing, since multiple Ji Qijing share a water filling
Well greatly reduces drilling well length, while being both provided with and its inner cavity phase in water injection well horizontal segment sum aggregate vapour well horizontal segment two sides
Connected component's well, considerably increases heat exchange area, improves the efficiency of heat exchange, thus the high heat of hot dry rock power generation of heat
The efficiency of utilization rate and power generation can effectively reduce hot dry rock cost of electricity-generating, is the innovation on hot dry rock evaluation and exploration technology, has good
Good social and economic benefit.
Claims (10)
1. a kind of hot dry rock double-layer horizontal multiple-limb heat exchange well system, including water injection well (2) sum aggregate vapour well (3), which is characterized in that
Water injection well (2) sum aggregate vapour well (3) protrudes into earth's surface (1) xeothermic rock stratum (10) below, does not extend into the water filling of xeothermic rock stratum part
Well (2) sum aggregate vapour well (3) is provided with the borehole wall, and the water injection well for protruding into xeothermic rock stratum part includes multiple protruding horizontally up towards surrounding
Water injection well horizontal segment (6), Ji Qijing (3) have multiple, and the Ji Qijing for protruding into xeothermic rock stratum part includes horizontally disposed Ji Qijing
The total quantity of horizontal segment (7), collection vapour well horizontal segment (7) is equal with the total quantity of water injection well horizontal segment (6) and corresponds, each
It is provided with and is connected with its inner cavity, in the multiple water filling horizontal segment Multilateral Wells protruded horizontally up to two sides on water injection well horizontal segment
(8), it is provided with and is connected with its inner cavity, in the multiple collection carbonated drinks protruded horizontally up to two sides on each collection vapour well horizontal segment (7)
Flat section Multilateral Wells (9), the collection flat section of vapour well water are located at the surface of corresponding water injection well horizontal segment, collect vapour well horizontal segment two sides
Collection vapour horizontal segment Multilateral Wells be located at corresponding water injection well horizontal segment two sides water filling horizontal segment Multilateral Wells surface, note
The upper oral part of well (2) sum aggregate vapour well (3) stretches out earth's surface, the upper oral part of water injection well (2) by the first transfer pipeline (11) with
The water outlet of high-pressure hydraulic pump (15) is connected, and the water inlet of high-pressure hydraulic pump (15) is connected with the water outlet of reservoir (16), Mei Geji
The upper oral part of vapour well (3) passes through the second transfer pipeline (12) respectively and is connected with the steam inlet of generating equipment (17), generating equipment
(17) circulating water outlet is connected with the import of reservoir (16), constitutes underground heat heat exchange cycle electrification structure.
2. hot dry rock double-layer horizontal multiple-limb heat exchange well system according to claim 1, which is characterized in that the water filling
Horizontal segment Multilateral Wells (8) include filling the water branch (8a) and the the first of water injection well horizontal segment (6) two sides in left and right interlaced arrangement
The length of two water fillings branch (8b), the first water filling branch (8a) and the second water filling branch (8b) is in by close to wellhead of water injection well side
Wellhead of water injection well side is directed away to successively decrease.
3. hot dry rock double-layer horizontal multiple-limb heat exchange well system according to claim 2, which is characterized in that described first
In the ramp-like setting that turns forward in the side of water injection well horizontal segment (6), the second water filling branch (8b) is in turn forward for water filling branch (8a)
The other side of the ramp-like setting in water injection well horizontal segment (6).
4. hot dry rock double-layer horizontal multiple-limb heat exchange well system according to claim 1, which is characterized in that the collection vapour
Horizontal segment Multilateral Wells (9) include the first Ji Qi branch (9a) and the in left and right interlaced arrangement in collection vapour well horizontal segment (7) two sides
The length of two Ji Qi branches (9b), the first Ji Qi branch (9a) and the second Ji Qi branch (9b) is in by close to collection vapour well well head side
Collection vapour well well head side is directed away to successively decrease.
5. hot dry rock double-layer horizontal multiple-limb heat exchange well system according to claim 4, which is characterized in that described first
Ji Qi branch (9a) is in turn forward ramp-like setting in the side of collection vapour well horizontal segment (7), and the second Ji Qi branch (9b) is in turn forward
Ramp-like setting is in the other side of collection vapour well horizontal segment (7).
6. hot dry rock double-layer horizontal multiple-limb heat exchange well system according to claim 1, which is characterized in that the high pressure water
The first valve (13), each Ji Qijing are provided on the first transfer pipeline (11) between pump (15) and water injection well (2) upper oral part
(3) the second valve (14) are respectively arranged on the second transfer pipeline (12) between upper oral part and generating equipment (17)；Described
To be tightly connected between one transfer pipeline (11) and water injection well (2) upper oral part, the second transfer pipeline (12) and Ji Qijing (3) are suitable for reading
It is sealed connection between portion.
7. hot dry rock double-layer horizontal multiple-limb heat exchange well system according to claim 1, which is characterized in that the water injection well
The water injection well changeover portion in xeothermic rock stratum is provided between horizontal segment (6) and the water injection well for not extending into xeothermic rock stratum part
(4)；It is provided in xeothermic rock stratum between the collection vapour well horizontal segment (7) and the collection vapour well for not extending into xeothermic rock stratum part
Collect vapour well changeover portion (5), is provided with steel sleeve and coagulation on the inner wall of water injection well changeover portion (4) sum aggregate vapour well changeover portion (5)
The borehole wall (19) are cemented the well made of native.
8. hot dry rock double-layer horizontal multiple-limb heat exchange well system according to claim 1, which is characterized in that the collection vapour
The spacing of well horizontal segment (7) and water injection well horizontal segment (6) is 30-300m, and the spacing of wellhead of water injection well sum aggregate vapour well well head is 50-
500m。
9. hot dry rock double-layer horizontal multiple-limb heat exchange well system according to claim 1, which is characterized in that the collection vapour
Well (3) has 2-6 for being evenly arranged on water injection well (2) surrounding.
10. hot dry rock double-layer horizontal multiple-limb heat exchange well system according to claim 1, which is characterized in that the hair
Heat exchanger (18) are provided between electric equipment (17) and reservoir (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820398305.6U CN208154860U (en) | 2018-03-23 | 2018-03-23 | A kind of hot dry rock double-layer horizontal multiple-limb heat exchange well system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820398305.6U CN208154860U (en) | 2018-03-23 | 2018-03-23 | A kind of hot dry rock double-layer horizontal multiple-limb heat exchange well system |
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| CN208154860U true CN208154860U (en) | 2018-11-27 |
Family
ID=64392751
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| CN201820398305.6U Expired - Fee Related CN208154860U (en) | 2018-03-23 | 2018-03-23 | A kind of hot dry rock double-layer horizontal multiple-limb heat exchange well system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657594A (en) * | 2019-10-08 | 2020-01-07 | 刘联军 | Closed circulation deep geothermal energy exploitation system |
| CN111237146A (en) * | 2020-01-14 | 2020-06-05 | 西南石油大学 | Geothermal branch well constant temperature difference power generation system |
| CN111306821A (en) * | 2020-02-13 | 2020-06-19 | 中国石油大学(华东) | Clean and efficient development system and method for geothermal resources |
| CN112127862A (en) * | 2019-06-05 | 2020-12-25 | 新奥科技发展有限公司 | Geothermal single well fracturing method |
| CN112627797A (en) * | 2020-12-22 | 2021-04-09 | 天津大学 | Development system for special-shaped pinnate geothermal well |
| CN116696310A (en) * | 2023-02-07 | 2023-09-05 | 中国地质调查局水文地质环境地质调查中心 | Dry-hot rock investigation and development method |
-
2018
- 2018-03-23 CN CN201820398305.6U patent/CN208154860U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127862A (en) * | 2019-06-05 | 2020-12-25 | 新奥科技发展有限公司 | Geothermal single well fracturing method |
| CN110657594A (en) * | 2019-10-08 | 2020-01-07 | 刘联军 | Closed circulation deep geothermal energy exploitation system |
| CN111237146A (en) * | 2020-01-14 | 2020-06-05 | 西南石油大学 | Geothermal branch well constant temperature difference power generation system |
| CN111306821A (en) * | 2020-02-13 | 2020-06-19 | 中国石油大学(华东) | Clean and efficient development system and method for geothermal resources |
| CN111306821B (en) * | 2020-02-13 | 2021-10-29 | 中国石油大学(华东) | Clean and efficient development system and method for geothermal resources |
| CN112627797A (en) * | 2020-12-22 | 2021-04-09 | 天津大学 | Development system for special-shaped pinnate geothermal well |
| CN116696310A (en) * | 2023-02-07 | 2023-09-05 | 中国地质调查局水文地质环境地质调查中心 | Dry-hot rock investigation and development method |
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