CN109025817A - The double level artificial's fracturing heat-exchange methods of hot dry rock individual well - Google Patents
The double level artificial's fracturing heat-exchange methods of hot dry rock individual well Download PDFInfo
- Publication number
- CN109025817A CN109025817A CN201810850717.3A CN201810850717A CN109025817A CN 109025817 A CN109025817 A CN 109025817A CN 201810850717 A CN201810850717 A CN 201810850717A CN 109025817 A CN109025817 A CN 109025817A
- Authority
- CN
- China
- Prior art keywords
- dry rock
- hot dry
- well
- heat
- hot
- 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.)
- Pending
Links
- 239000011435 rock Substances 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000012530 fluid Substances 0.000 claims abstract description 38
- 239000004568 cement Substances 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims description 28
- 238000005553 drilling Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000342 Monte Carlo simulation Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000010412 perfusion Effects 0.000 abstract description 2
- 230000008092 positive effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000002569 neuron Anatomy 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
Classifications
-
- 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
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a kind of double level artificial's fracturing heat-exchange methods of hot dry rock individual well, using individual well fracturing technique, horizontal well is drilled through above and below hot dry rock reservoir carries out hydraulic fracturing, arrange that pressure break shooting point carries out hydraulic fracturing by horizontal well top-bottom cross formula, and in the nearly Vertical Well regional perfusion thermostable heat-conductive cement of hydraulic fracturing, make the nearly Vertical Well area intensive crack closure of hydraulic fracturing, has reached improvement and taken hot fluid circulation path, improved the purpose of heat exchange efficiency；The setting of upper level well stream through-hole eye and lower horizontal well stream through-hole eye can expand the flow region for taking hot fluid to greatest extent, promote the heat exchange for taking hot fluid Yu hot dry rock reservoir, the post-fracturing heat exchange efficiency of hot dry rock can be improved；Individual well technology and the application for improving heat exchange efficiency method after hot dry rock pressure break, can reduce hot dry rock development cost and top earth's surface building load, and reduce environmental disruption, have positive effect to the extensive use of geothermal energy.
Description
Technical field
The present invention relates to geothermal energy development fields, are specifically related to a kind of double level artificial's fracturing heat exchange sides of hot dry rock individual well
Method.
Background technique
The method for obtaining thermal energy in hot dry rock is commonly referred to as enhanced geothermal system, is changed by deep drilling well, reservoir
It makes, the techniques such as fluid circulation extract the engineering technology of the geothermal energy resources with economic value from hot dry rock.Hydraulic fracturing is to increase
The major way of strong type geothermal system reservoir reconstruction, the technology make to enhance by carrying out artificial seam in formation at target locations to reach
Type geothermal system exchanges heat sufficient purpose, mainly has individual well heat-exchange method and twin-well heat exchange side in existing enhanced geothermal system
Method two major classes, the heat-exchange method of mainstream are twin-well heat exchange, and twin-well heat-exchange system takes up a large area, and earth's surface building load is high, are made
Valence is significantly larger than individual well heat-exchange method, and the development speed of hot dry rock exploitation is slow, and maximum resistance is that development cost is excessively high.With it is double
Well circulation is compared, and standing column well can be greatly lowered cost, saves cost, and on the other hand existing standing column well system disadvantage
Obviously, just at present, major defect has:
(1) pressure break hot dry rock utilization rate is low
For existing standing column well method during thermal energy exchange, heat exchange liquid can not arrive at partially the hot dry rock of pressure break
In, so that pressure break hot dry rock utilization rate is low.
(2) heat exchange efficiency is low
In existing standing column well method, hydraulic fracturing is often difficult to the spread and quantity of good control critical eigenvalue, causes to change
Hot path is shorter, so that pressure break hot dry rock heat exchange efficiency is low；In addition in the nearly well area of hydraulic fracturing, it will usually be formed intensive
Crack, excessive crack will cause the leakage for taking hot fluid, and be difficult to reach higher heat exchange efficiency.
(3) thermal energy exploitation amount is limited
Present standing column well method carries out only carrying out hydraulic pressure to hot dry rock around the nearly well of Vertical Well when reservoir reconstruction, makes
It obtains reservoir reconstruction region and is confined to nearly Vertical Well near zone, thermal energy exploitation amount is limited.
Summary of the invention
The object of the present invention is to provide one kind, cost is relatively low, occupied area is small, hot dry rock utilization rate is higher, thermal energy conversion rate
Compared with high, thermal energy exploitation total amount is big, the double level artificial's fracturing heat-exchange methods of the hot dry rock individual well of extraction and application geothermal energy.
To achieve the above object, the present invention takes following technical scheme: the double level artificial's fracturing heat exchange sides of hot dry rock individual well
Method, specific steps are as follows:
A. hot dry rock reservoir is chosen, hot dry rock cap rock, drilling to hot dry rock reservoir area, foundation are drilled using drilling equipment
Calorific requirement, geothermic gradient, in the Vertical Well of construction certain depth, separated by a distance in same vertical plane to drill through two mouthfuls of horizontal saliva flat
Well, the distance between upper water horizontal well and lower horizontal well, hole diameter, well depth according to calorific requirement and pass through volumetric method, Monte Carlo
Method or analogy method determine the heating load that hot dry rock evaluation of reservoirs goes out；
B. after proposing drilling tool, production casing and shaft bottom along wellbore trace tripping in thermal coefficient greater than 95W/ (mK) are insulated
Device, and it is greater than 8.5W/ (mK) thermostable heat-conductive well cementing of cement using thermal coefficient；
C. it by the horizontal well of perforating apparatus tripping in hot dry rock pressure break target reservoir, after hot dry rock reservoir is shot through, is formed
Pressure break eyelet in hot dry rock pressure break eyelet and upper and lower horizontal well is staggered arrangement, and hot dry rock pressure break eyelet is according to actual requirement of engineering
It is axial uniformly distributed, 40-70 meters of spacing；
D. it by the horizontal well of hydraulic fracturing equipment tripping in hot dry rock pressure break target reservoir, is injected along hot dry rock pressure break eyelet
Fracturing fluid, a wide range of pressure break hot dry rock reservoir；
E. above and below by cement injection equipment in Vertical Well between horizontal well, high temperature resistant is injected along hot dry rock fracturing fracture
Thermally conductive cement, to close the intensive crack of the closely vertical well area of hydraulic fracturing, loading carries out water conservancy diversion according to fracture zone and changes
Internal pressure size, fracture zone range and hot dry rock property determine when hot；
F. again by the horizontal well of perforating apparatus tripping in drilling well, in hot dry rock pressure break eyelet upper area and lower area
Distance difference perforation at regular intervals forms top recirculation hole eye and lower part circulation eyelet；
G. the heat-insulated production tube of tripping in production casing provides and takes hot fluid extraction channel, heat-insulated production tube tube body
The thermal coefficient of material should be less than 0.03W/ (mK), to reduce the heat loss that high temperature takes hot fluid；
H. the oil jacket annulus tripping in packer between production casing and heat-insulated production tube, upper packer is mounted on
10-15 meters below portion's horizontal well, it is 10-15 meters above that lower packer is mounted on lower horizontal well, to prevent low temperature from taking hot-fluid
Body flows in oil jacket annulus；
I. hot fluid is taken along oil jacket annulus injection, takes hot fluid along top recirculation hole eye and fracturing fracture and flows into hot dry rock storage
Layer upper area, flows to hot dry rock reservoir lower area under injection pressure and gravity；
J., suction unit is installed at ground insulation production tube, taking hot fluid will be under suction force effect from fracturing fracture
Lower part circulation eyelet is flowed into, and flows back to ground along heat-insulated production tube, by heat-exchange apparatus, the heat taken in hot fluid can be obtained
Energy.
The middle and upper part step C horizontal well lower half circumferentially uniformly distributed 3-4 pressure break eyelet, lower horizontal well upper half
All circumferentially uniformly distributed 3-4 pressure break eyelets.
Beneficial effects of the present invention:
The present invention is for conventional hydraulic pressure break thermal energy conversion method hot dry rock (EGS) utilization rate is low, heat exchange efficiency is low, earth's surface
Building area is big, cost is high, takes hot fluid leakage, the small problem of thermal energy exploitation total amount, using individual well fracturing technique,
Horizontal well is drilled through above and below hot dry rock reservoir and carries out hydraulic fracturing, arranges that pressure break shooting point carries out by horizontal well top-bottom cross formula
Hydraulic fracturing, and in the nearly Vertical Well regional perfusion thermostable heat-conductive cement of hydraulic fracturing, keep the closely vertical well area of hydraulic fracturing close
Collect crack closure, has reached improvement and taken hot fluid circulation path, improved the purpose of heat exchange efficiency；Upper level well stream through-hole eye and
The setting of lower horizontal well stream through-hole eye can expand the flow region for taking hot fluid to greatest extent, promotion take hot fluid with it is xeothermic
The post-fracturing heat exchange efficiency of hot dry rock can be improved in the heat exchange of rock reservoir；Exchange heat effect after individual well technology and raising hot dry rock pressure break
The application of rate method can reduce hot dry rock development cost and top earth's surface building load, and reduce environmental disruption, to geothermal energy
Extensive use have positive effect.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Wherein: 1, hot dry rock cap rock, 2, hot dry rock reservoir, 3, fracturing fracture, 4, upper water horizontal well, 5, lower horizontal well,
6, hot dry rock pressure break eyelet, 7, top recirculation hole eye, 8, lower part circulation eyelet, 9, thermostable heat-conductive cement, 10, upper containment
Device, 11, lower packer, 12, bottom paker, 13, cement sheath, 14, heat-insulated production tube, 15, production casing, 16, low temperature
Take hot fluid, 17, high temperature take hot fluid, 18, fluid neuron network direction
Specific embodiment
It please refers to Fig. 1 to be further described the double level artificial's fracturing heat-exchange methods of hot dry rock individual well of the present invention, specifically
Steps are as follows:
A. hot dry rock reservoir 2 is chosen, hot dry rock cap rock 1 is drilled using drilling equipment, is crept into 2 region of hot dry rock reservoir,
It is separated by a distance to drill through two mouthfuls in same vertical plane in the Vertical Well of construction certain depth according to calorific requirement, geothermic gradient
Horizontal well, the distance between upper water horizontal well 4 and lower horizontal well 5, hole diameter, well depth according to calorific requirement and pass through volumetric method, illiteracy
Special Caro method or analogy method determine the heating load that hot dry rock evaluation of reservoirs goes out；
B. after proposing drilling tool, production casing 15 and shaft bottom along wellbore trace tripping in thermal coefficient greater than 95W/ (mK) are sealed
It cements the well every device 12, and using thermal coefficient greater than 8.5W/ (mK) thermostable heat-conductive cement 9, in order to which low temperature takes hot fluid 16
Heat is preferably carried out with the xeothermic rock stratum of high temperature in 15 in production casing to exchange；
C. it by the horizontal well of perforating apparatus tripping in hot dry rock pressure break target reservoir, after hot dry rock reservoir 2 is shot through, is formed
Hot dry rock pressure break eyelet 6 and up and down the pressure break eyelet in horizontal well are staggered arrangement, and hot dry rock pressure break eyelet 6 is according to Practical Project need
It is axial uniformly distributed, 40-70 meters of spacing；
D. by the horizontal well of hydraulic fracturing equipment tripping in hot dry rock pressure break target reservoir, along 6 note of hot dry rock pressure break eyelet
Enter fracturing fluid, a wide range of pressure break hot dry rock reservoir 2；
E. above and below by cement injection equipment in Vertical Well between horizontal well, resistance to height is injected along hot dry rock fracturing fracture 3
The thermally conductive cement 9 of temperature, to close the intensive crack of the closely vertical well area of hydraulic fracturing, loading carries out water conservancy diversion according to fracture zone
Internal pressure size, fracture zone range and hot dry rock property determine when heat exchange；
F. again by the horizontal well of perforating apparatus tripping in drilling well, in 6 upper area of hot dry rock pressure break eyelet and lower region
Domain apart from perforation respectively, forms top recirculation hole eye 7 and lower part circulation eyelet 8 at regular intervals；
G. the heat-insulated production tube 14 of tripping in production casing 15 provides and takes hot fluid extraction channel, heat-insulated production tube
The thermal coefficient of 14 tube body materials should be less than 0.03W/ (mK), to reduce the heat loss that high temperature takes hot fluid 17；
H. the oil jacket annulus tripping in packer between production casing 15 and heat-insulated production tube 14, upper packer 10 is pacified
Mounted in 10-15 meters of 4 or less upper water horizontal well, lower packer 11 is mounted on 10-15 meters of 5 or more lower horizontal well, to prevent
Low temperature is taken hot fluid 16 and is flowed in oil jacket annulus；
I takes hot fluid along oil jacket annulus injection, takes hot fluid along top recirculation hole eye 7 and fracturing fracture 3 and flows into hot dry rock
2 upper area of reservoir flows to 2 lower area of hot dry rock reservoir under injection pressure and gravity；
J., suction unit is installed at ground insulation production tube 14, taking hot fluid will split under suction force effect from pressure break
Seam 3 flows into lower part circulation eyelet 8, and flows back to ground along heat-insulated production tube 14, by heat-exchange apparatus, can obtain and take hot fluid
In thermal energy.
Claims (2)
1. a kind of double level artificial's fracturing heat-exchange methods of hot dry rock individual well, it is characterised in that: processing step are as follows:
A. hot dry rock reservoir (2) are chosen, is drilled hot dry rock cap rock (1) using drilling equipment, drilling to hot dry rock reservoir (2) area
Domain, it is separated by a distance to be drilled through in same vertical plane in the Vertical Well of construction certain depth according to calorific requirement, geothermic gradient
Two mouthfuls of water horizontal wells, the distance between upper water horizontal well (4) and lower horizontal well (5), hole diameter, well depth according to calorific requirement and pass through body
Area method, Monte Carlo Method or analogy method determine the heating load that hot dry rock evaluation of reservoirs goes out；
B. after proposing drilling tool, production casing (15) and shaft bottom along wellbore trace tripping in thermal coefficient greater than 95W/ (mK) are insulated
Device (12), and cemented the well using thermal coefficient greater than 8.5W/ (mK) thermostable heat-conductive cement (9), in order to which low temperature takes hot fluid
(16) heat is preferably carried out with the xeothermic rock stratum of high temperature in (15) in production casing to exchange；
C. it by the horizontal well of perforating apparatus tripping in hot dry rock pressure break target reservoir, after hot dry rock reservoir (2) is shot through, is formed dry
Hot rock pressure ceasma eye (6) and up and down the pressure break eyelet in horizontal well are staggered arrangement, and hot dry rock pressure break eyelet (6) is according to Practical Project
Need axial direction uniformly distributed, 40-70 meters of spacing；
D. it by the horizontal well of hydraulic fracturing equipment tripping in hot dry rock pressure break target reservoir, is injected along hot dry rock pressure break eyelet (6)
Fracturing fluid, a wide range of pressure break hot dry rock reservoir (2)；
E. above and below by cement injection equipment in Vertical Well between horizontal well, high temperature resistant is injected along hot dry rock fracturing fracture (3)
Thermally conductive cement (9), to close the intensive crack of the closely vertical well area of hydraulic fracturing, loading carries out water conservancy diversion according to fracture zone
Internal pressure size, fracture zone range and hot dry rock property determine when heat exchange；
F. again by the horizontal well of perforating apparatus tripping in drilling well, in hot dry rock pressure break eyelet (6) upper area and lower area
Eyelet (8) are circulated in perforation, formation top recirculation hole eye (7) and lower part to distance respectively at regular intervals；
G. the heat-insulated production tube of tripping in (14) in production casing (15) provides and takes hot fluid extraction channel, heat-insulated production tube
(14) thermal coefficient of tube body material is less than 0.03W/ (mK), to reduce the heat loss that high temperature takes hot fluid (17)；
H. the oil jacket annulus tripping in packer between production casing (15) and heat-insulated production tube (14), upper packer 10 is pacified
It is 10-15 meters following mounted in upper water horizontal well (4), it is 10-15 meters above that lower packer 11 is mounted on lower horizontal well (5), with
It prevents from low temperature from taking hot fluid (16) to flow in oil jacket annulus；
I takes hot fluid along oil jacket annulus injection, takes hot fluid along top recirculation hole eye (7) and fracturing fracture (3) and flows into hot dry rock
Reservoir (2) upper area flows to hot dry rock reservoir (2) lower area under injection pressure and gravity；
J., suction unit is installed at ground insulation production tube (14), taking hot fluid will be under suction force effect from fracturing fracture
(3) lower part circulation eyelet (8) is flowed into, and flows back to ground along heat-insulated production tube (14), by heat-exchange apparatus, can obtain and take heat
Thermal energy in fluid.
2. the double level artificial's fracturing heat-exchange methods of hot dry rock individual well according to claim 1, it is characterised in that: in step C
Upper water horizontal well (4) lower half circumferentially uniformly distributed 3-4 pressure break eyelet, lower horizontal well (5) upper half are circumferentially equal
3-4 pressure break eyelet of even laying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810850717.3A CN109025817A (en) | 2018-07-29 | 2018-07-29 | The double level artificial's fracturing heat-exchange methods of hot dry rock individual well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810850717.3A CN109025817A (en) | 2018-07-29 | 2018-07-29 | The double level artificial's fracturing heat-exchange methods of hot dry rock individual well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109025817A true CN109025817A (en) | 2018-12-18 |
Family
ID=64646732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810850717.3A Pending CN109025817A (en) | 2018-07-29 | 2018-07-29 | The double level artificial's fracturing heat-exchange methods of hot dry rock individual well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109025817A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356560A (en) * | 2018-12-19 | 2019-02-19 | 中国石油大学(北京) | In-situ retorting method and in-situ retorting well pattern |
| CN109779529A (en) * | 2019-01-03 | 2019-05-21 | 中国煤炭地质总局水文地质局 | A kind of geothermal well drill construction technique and geothermal well |
| CN109989736A (en) * | 2019-03-13 | 2019-07-09 | 中国科学院广州能源研究所 | A method of design EGS heat storage pressure break and modification scheme |
| CN110030745A (en) * | 2019-01-12 | 2019-07-19 | 力软科技(美国)有限责任公司 | A kind of geothermal exploitation system and its construction method |
| CN110388760A (en) * | 2019-08-14 | 2019-10-29 | 青海省水文地质工程地质环境地质调查院 | A kind of heat flow field superposition hot dry rock Energy harvesting methods |
| CN111236904A (en) * | 2020-01-19 | 2020-06-05 | 中国地质科学院勘探技术研究所 | Geothermal exploitation method for double horizontal wells in butt joint communication to extract heat by water separation |
| CN111365753A (en) * | 2020-02-26 | 2020-07-03 | 中国科学院广州能源研究所 | Solar energy coupling enhancement mode deep well heat exchanger heating system |
| CN111365752A (en) * | 2020-02-26 | 2020-07-03 | 中国科学院广州能源研究所 | Solar energy combined double-well closed type enhanced geothermal heating system |
| CN112127862A (en) * | 2019-06-05 | 2020-12-25 | 新奥科技发展有限公司 | Geothermal single well fracturing method |
| CN112412414A (en) * | 2019-08-23 | 2021-02-26 | 新奥科技发展有限公司 | Method for constructing geothermal system, geothermal system and geothermal acquisition method |
| CN113513298A (en) * | 2021-08-04 | 2021-10-19 | 广州海洋地质调查局 | Hot dry rock branch well same-well synchronous injection-production method and injection-production device |
| CN115573687A (en) * | 2022-11-12 | 2023-01-06 | 利丰新能源技术(山东)股份有限公司 | Method for segmented manufacturing and totally-enclosed development of hot dry rock |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536174A (en) * | 2012-03-01 | 2012-07-04 | 邱世军 | Method for longitudinally mining geothermal energy |
| CN105840146A (en) * | 2016-04-14 | 2016-08-10 | 中国石油大学(华东) | Method for self-circulation exploitation of geothermal energy of hot dry rock with multilateral well and volume fracturing technologies |
| CN105863568A (en) * | 2016-04-14 | 2016-08-17 | 中国石油大学(华东) | Method for exploring dry-hot-rock geotherm through underground heat siphon self-circulation |
| CN105863569A (en) * | 2016-04-14 | 2016-08-17 | 中国石油大学(华东) | Single-well fracture gravity self-circulation dry-hot-rock geotherm mining method |
| CN106948795A (en) * | 2017-03-30 | 2017-07-14 | 中国石油大学(北京) | A kind of method that multi-branched horizontal well closed cycle develops hot water type underground heat |
| CN107882535A (en) * | 2017-11-15 | 2018-04-06 | 广东石油化工学院 | A kind of process using horizontal well development hot dry rock heat energy |
| CN107989589A (en) * | 2017-11-28 | 2018-05-04 | 青海九0六工程勘察设计院 | A kind of method of heat exchange efficiency after raising hot dry rock pressure break |
-
2018
- 2018-07-29 CN CN201810850717.3A patent/CN109025817A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536174A (en) * | 2012-03-01 | 2012-07-04 | 邱世军 | Method for longitudinally mining geothermal energy |
| CN105840146A (en) * | 2016-04-14 | 2016-08-10 | 中国石油大学(华东) | Method for self-circulation exploitation of geothermal energy of hot dry rock with multilateral well and volume fracturing technologies |
| CN105863568A (en) * | 2016-04-14 | 2016-08-17 | 中国石油大学(华东) | Method for exploring dry-hot-rock geotherm through underground heat siphon self-circulation |
| CN105863569A (en) * | 2016-04-14 | 2016-08-17 | 中国石油大学(华东) | Single-well fracture gravity self-circulation dry-hot-rock geotherm mining method |
| CN106948795A (en) * | 2017-03-30 | 2017-07-14 | 中国石油大学(北京) | A kind of method that multi-branched horizontal well closed cycle develops hot water type underground heat |
| CN107882535A (en) * | 2017-11-15 | 2018-04-06 | 广东石油化工学院 | A kind of process using horizontal well development hot dry rock heat energy |
| CN107989589A (en) * | 2017-11-28 | 2018-05-04 | 青海九0六工程勘察设计院 | A kind of method of heat exchange efficiency after raising hot dry rock pressure break |
Non-Patent Citations (1)
| Title |
|---|
| 曾义金: "干热岩热能开发技术进展与思考", 《石油钻探技术》 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356560B (en) * | 2018-12-19 | 2020-04-28 | 中国石油大学(北京) | In-situ mining method and in-situ mining well pattern |
| CN109356560A (en) * | 2018-12-19 | 2019-02-19 | 中国石油大学(北京) | In-situ retorting method and in-situ retorting well pattern |
| CN109779529A (en) * | 2019-01-03 | 2019-05-21 | 中国煤炭地质总局水文地质局 | A kind of geothermal well drill construction technique and geothermal well |
| CN110030745A (en) * | 2019-01-12 | 2019-07-19 | 力软科技(美国)有限责任公司 | A kind of geothermal exploitation system and its construction method |
| CN109989736A (en) * | 2019-03-13 | 2019-07-09 | 中国科学院广州能源研究所 | A method of design EGS heat storage pressure break and modification scheme |
| CN112127862A (en) * | 2019-06-05 | 2020-12-25 | 新奥科技发展有限公司 | Geothermal single well fracturing method |
| CN110388760A (en) * | 2019-08-14 | 2019-10-29 | 青海省水文地质工程地质环境地质调查院 | A kind of heat flow field superposition hot dry rock Energy harvesting methods |
| CN112412414A (en) * | 2019-08-23 | 2021-02-26 | 新奥科技发展有限公司 | Method for constructing geothermal system, geothermal system and geothermal acquisition method |
| CN111236904A (en) * | 2020-01-19 | 2020-06-05 | 中国地质科学院勘探技术研究所 | Geothermal exploitation method for double horizontal wells in butt joint communication to extract heat by water separation |
| CN111236904B (en) * | 2020-01-19 | 2021-03-23 | 中国地质科学院勘探技术研究所 | Geothermal exploitation method for double horizontal wells in butt joint communication to extract heat by water separation |
| CN111365752A (en) * | 2020-02-26 | 2020-07-03 | 中国科学院广州能源研究所 | Solar energy combined double-well closed type enhanced geothermal heating system |
| CN111365753A (en) * | 2020-02-26 | 2020-07-03 | 中国科学院广州能源研究所 | Solar energy coupling enhancement mode deep well heat exchanger heating system |
| CN111365753B (en) * | 2020-02-26 | 2021-08-17 | 中国科学院广州能源研究所 | Solar energy coupling enhancement mode deep well heat exchanger heating system |
| CN111365752B (en) * | 2020-02-26 | 2022-01-04 | 中国科学院广州能源研究所 | Solar energy combined double-well closed type enhanced geothermal heating system |
| CN113513298A (en) * | 2021-08-04 | 2021-10-19 | 广州海洋地质调查局 | Hot dry rock branch well same-well synchronous injection-production method and injection-production device |
| CN115573687A (en) * | 2022-11-12 | 2023-01-06 | 利丰新能源技术(山东)股份有限公司 | Method for segmented manufacturing and totally-enclosed development of hot dry rock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109025817A (en) | The double level artificial's fracturing heat-exchange methods of hot dry rock individual well | |
| CN106948795B (en) | A kind of method of multi-branched horizontal well closed cycle exploitation hot water type underground heat | |
| CN107989589B (en) | A method of improving heat exchange efficiency after hot dry rock pressure break | |
| CN105909214A (en) | Method for exploiting compact dry heat rock geothermal energy by utilizing long horizontal well self-circulation structure | |
| CN105863568A (en) | Method for exploring dry-hot-rock geotherm through underground heat siphon self-circulation | |
| CN105840146A (en) | Method for self-circulation exploitation of geothermal energy of hot dry rock with multilateral well and volume fracturing technologies | |
| CN107676996A (en) | Underground heat bore hole heat exchanger and geothermal well well shaft fixing technology | |
| CN104265242B (en) | The ground thermal extraction method of geothermal well | |
| CN106968601B (en) | Exploit the casing programme and method of dry-hot-rock geothermal resource | |
| CN108302833A (en) | Closed deep geothermal heat energy acquisition system and method | |
| CN105863569A (en) | Single-well fracture gravity self-circulation dry-hot-rock geotherm mining method | |
| CN204252967U (en) | Hot dry rock multi cycle heating system | |
| CN105625993B (en) | Hot dry rock multi-cycle heating system and its production method | |
| CN108104716B (en) | Simulate the device of tundra drilling well | |
| CN104389568B (en) | Gas aids in the acquisition methods and device of consumption during SAGD | |
| CN107100605A (en) | A kind of method that dual horizontal well circulation supercritical carbon dioxide develops hot dry rock | |
| CN106368633B (en) | Deep water hydrocarbon producing well annular space seal-off pressure regulates and controls tubular column system | |
| CN104713259A (en) | Method and system for extracting heat energy of hot dry rocks | |
| CN103615225A (en) | Double-horizontal-well isothermal difference forced steam circulation preheating method for middle-deep layer oil reservoir | |
| CN208901664U (en) | Geothermal well system based on single-well injection-production exploitation of geothermal energy | |
| CN106894804A (en) | A kind of enhanced geothermal system completion method of standing column well | |
| CN110986401B (en) | Geothermal resource development system adopting multi-branch radial horizontal well and method thereof | |
| CN106839478A (en) | A kind of method of construction of deep geothermal heat heat transfer root system | |
| CN207348838U (en) | A kind of enhanced underground heat completion system of standing column well | |
| Hogarth et al. | Flow performance of the Habanero EGS closed loop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |
|
| RJ01 | Rejection of invention patent application after publication |