CN109726371A - The method for building up and application method of hot water type underground heat Well Temperature water Plate Analysis - Google Patents
The method for building up and application method of hot water type underground heat Well Temperature water Plate Analysis Download PDFInfo
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- CN109726371A CN109726371A CN201711042697.9A CN201711042697A CN109726371A CN 109726371 A CN109726371 A CN 109726371A CN 201711042697 A CN201711042697 A CN 201711042697A CN 109726371 A CN109726371 A CN 109726371A
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- 238000004458 analytical method Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000011160 research Methods 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims description 8
- 235000020681 well water Nutrition 0.000 claims description 6
- 239000002349 well water Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
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- 208000010392 Bone Fractures Diseases 0.000 description 1
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- 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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/10—Geothermal energy
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Abstract
The invention proposes the method for building up and application method of a kind of hot water type underground heat Well Temperature water Plate Analysis.For method for building up the following steps are included: establishing two-dimensional Cartesian coordinate system, abscissa indicates that prospect pit water temperature variable quantity, ordinate indicate prospect pit water yield variable quantity；Based on the water temperature data and water data of the research multiple geothermal field prospect pits in area, water temperature water scatter plot is formed in the two-dimensional Cartesian coordinate system；Draw the equal heat curves of different stage respectively in the two-dimensional Cartesian coordinate system；The two-dimensional Cartesian coordinate system is divided into different zones based on the equal heat curves.The plate can be widely applied to during geothermal field exploration assessment, conveniently obtain understanding to geothermal field exploration-development potential, use manpower and material resources sparingly resource.The present invention improves geothermal field prospect pit water temperature water and provides the agility and science of thermal energy level evaluation, makes evaluation result with more reference value.
Description
Technical field
The invention belongs to geotherm geology fields, and in particular to a kind of hot water type Geothermal Field well is with producing coolant-temperature gage water yield
Thermal energy rank discrimination model, the i.e. foundation and application of hot water type underground heat Well Temperature water Plate Analysis.
Background technique
Currently, domestic geothermal resource of hydrothermal type is rapid as cleaning heating energy development, but to the water temperature of geothermal field prospect pit
Water section distribution lacks universal effective Division and contrast tool, usually according to the ground temperature of construction location where prospect pit ladder
Degree calculates water temperature, according to the parameter estimations water such as heat reservori porosity, permeability, development degree of micro cracks in oil, due to geotherm geology structure
Complexity is made, the factor for influencing GEOTHERMAL WATER water temperature water is more, for not meeting the water of prediction geothermal gradient and porosity and connectivity
Warm water magnitude needs to carry out the analysis of various related geologic(al) factors, causes to judge whether prospect pit water temperature water belongs to rapidly
Can the underground heat potentiality rank that can provide of normal operating range and geothermal well, and the prospect pit of each different tectonic element geothermal field
It requires to rejudge, since different tectonic element geothermal gradient is different, porosity and connectivity and fracture development condition are different, no
It is not strong with the water temperature water comparativity between prospect pit, unified underground heat energy level concept can not be formed to geothermal well.
Summary of the invention
It is an object of the invention to solve point of the distributed area of geothermal field prospect pit water temperature water existing in the prior art
Class judgement, i.e. geothermal well provide underground heat energy level and divide, and provide the analysis of temperature and water contribution margin size under identical heat.
For prior art problem, the present invention provide a kind of geothermal field prospect pit water temperature water Plate Analysis method for building up and
Using.
To achieve the above object, the present invention provides a kind of foundation sides of hot water type underground heat Well Temperature water Plate Analysis
Method, comprising the following steps:
Two-dimensional Cartesian coordinate system is established, abscissa indicates that prospect pit water temperature variable quantity, ordinate indicate the variation of prospect pit water yield
Amount；
Based on the water temperature data and water data of the research multiple geothermal field prospect pits in area, the shape in the two-dimensional Cartesian coordinate system
At water temperature water scatter plot；
Draw the equal heat curves of different stage respectively in the two-dimensional Cartesian coordinate system；
The two-dimensional Cartesian coordinate system is divided into different zones based on the equal heat curves.
Further, the two-dimensional Cartesian coordinate system abscissa indicate prospect pit water temperature variable quantity, by degree Celsius as unit of；
The ordinate of the two-dimensional Cartesian coordinate system indicates prospect pit water yield variable quantity, by cube m/h as unit of.
Further, a diagonal line is done in the two-dimensional Cartesian coordinate system, in the same manner the other geothermal well of thermal level, position
Contribution of the temperature to thermal energy, diagonal line lower right geothermal well are greater than to thermal energy contribution in its water of the upper left geothermal well of diagonal line
The water temperature of offer is greater than the contribution of water to geothermal energy contribution.
Further, the geothermal energy utilization rank of prospect pit is judged according to the water temperature water Plate Analysis, or to the ground not bored
Hot well judges geothermal energy production capacity rank, and analyzes water temperature water to the contribution of geothermal energy.
Further, prospect pit degree of testing the water temperature to be judged or estimated temperature and examination water or estimation water value are projected to described
Water temperature water Plate Analysis falls in the different zones of the water temperature water Plate Analysis according to subpoint, analyzes geothermal energy utilization
Rank and water temperature water contribution
Further, the different zones are divided into Ith area, IIth area, IIIth area, the area IV, the area V according to heat is descending, thrown
The geothermal well of shadow to different zones provides different size of geothermal energy, and the geothermal well for being projected in same area has same range
Geothermal energy.
Further, using fixed tail water temperature value, it is divided into several descending specification areas by geothermal energy.
Further, according to the variation of geothermal well water temperatures, water different in the two-dimensional Cartesian coordinate system, a plurality of energy is calculated
Different water temperatures, the water combination of identical calorie value are enough provided, the equal heat curves of different stage are generated.
Further, when providing identical geothermal energy, the water of the higher needs of geothermal water temperature is then smaller, conversely, ground
The hot water temperature the low, and the water needed is then bigger.
The present invention is based on geothermal field prospect pit water temperatures and water yield to change scatter plot, by the water temperature and production of multiple geothermal field prospect pits
Water delta data is thrown into two-dimensional Cartesian coordinate system, presses offer to the water temperature water variation of multiple hot water type geothermal field prospect pits
The classification of thermal energy magnitude.
Geothermal field prospect pit water temperature water variation plate in the present invention, can be by ground when using fixed tail water temperature value
Thermal energy is divided into several descending specification areas, when changing different tail water temperature values, and can be divided into different by big
To several small specification area plates.Plate it is brief and concise express prospect pit water in different hot water type geothermal field exploration processes
The section of warm water amount variation and meaning.Plate can not only quickly analyze what each geothermal field prospect pit was provided by the variation of water temperature water
Geothermal energy rank can also carry out the qualitative evaluation of geothermal energy rank to the geothermal field representated by prospect pit.The plate can be extensive
During geothermal field exploration assessment, understanding conveniently is obtained to geothermal field exploration-development potential, saves manpower object
Power resource.
The present invention improves geothermal field prospect pit water temperature water and provides the agility and science of thermal energy level evaluation, makes to evaluate
As a result reference value is had more.
Detailed description of the invention
Disclosure illustrative embodiments are described in more detail in conjunction with the accompanying drawings, the disclosure above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein in disclosure illustrative embodiments, identical reference label
Typically represent same parts.
Fig. 1 is that underground heat of embodiment of the present invention Well Temperature and water change scatterplot schematic diagram.
Fig. 2 is underground heat Well Temperature and water Plate Analysis and application schematic diagram of the invention.
Fig. 3 is the flow chart of the method for building up of hot water type underground heat Well Temperature water Plate Analysis of the invention.
Specific embodiment
The preferred embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Preferred embodiment, however, it is to be appreciated that may be realized in various forms the disclosure without the embodiment party that should be illustrated here
Formula is limited.On the contrary, these embodiments are provided so that this disclosure will be more thorough and complete, and can be by the disclosure
Range is completely communicated to those skilled in the art.
It is main special the invention discloses a kind of method for building up of hot water type underground heat Well Temperature water Plate Analysis and application
Point is: having prospect pit degree of testing the water temperature and water yield relationship scatter plot based on geothermal field, by multiple geothermal field prospect pits in research area
Degree of testing the water temperature and water yield data throw in two-dimensional Cartesian coordinate system.Become according to temperature change in coordinate system from different water yields
Change, subregion, each subregion geothermal energy potentiality having the same are carried out to water temperature water as standard to provide identical geothermal energy potentiality.
A diagonal line is done along water temperature water figure in coordinate system, in the same manner the other geothermal well of thermal level, it is upper left to be located at diagonal line
The contribution of geothermal well water is greater than temperature and contributes, and the water temperature contribution that diagonal line lower right provides is greater than water and contributes.Newly pry into well root
Prospect pit geothermal energy utilization rank can be quickly judged according to the water temperature water plate, or its underground heat is judged rapidly to the geothermal well not bored
It can production capacity rank.
Specifically, the present disclosure proposes a kind of method for building up of hot water type underground heat Well Temperature water Plate Analysis, including with
Lower step:
Two-dimensional Cartesian coordinate system is established, abscissa indicates that prospect pit water temperature variable quantity, ordinate indicate the variation of prospect pit water yield
Amount；
Based on the water temperature data and water data of the research multiple geothermal field prospect pits in area, the shape in the two-dimensional Cartesian coordinate system
At water temperature water scatter plot；
Draw the equal heat curves of different stage respectively in the two-dimensional Cartesian coordinate system；
The two-dimensional Cartesian coordinate system is divided into different zones based on the equal heat curves.
Firstly, establish two-dimensional Cartesian coordinate system, abscissa indicates prospect pit coolant-temperature gage variable quantity, by degree Celsius as unit of,
Ordinate indicate prospect pit water yield variable quantity, by cube m/h as unit of.
Preferably, water conservancy project can be tried by prospect pit make calibration water temperature water data.Based on the multiple geothermal field prospect pit examinations in research area
These data are thrown and form water temperature water scatter plot in a coordinate system by coolant-temperature gage and water data.
Next, utilizing rear molding according to the variation of geothermal well water temperatures, water different in two-dimensional Cartesian coordinate system with GEOTHERMAL WATER
For coolant-temperature gage is 25 DEG C, a plurality of different water temperatures that can provide identical calorie value, water combination are calculated, and in coordinate system respectively
Draw the equal heat curves of different stage.
Two-dimensional Cartesian coordinate system is divided into different zones using these equal heat curves.For example, can by heat by greatly to
Small to be divided into the subregions such as Ith area, IIth area, IIIth area, the area IV, the area V, the geothermal well for projecting to different zones can provide different size
Geothermal energy.The geothermal well for being projected in same area has the geothermal energy of roughly the same range.
Preferably, a diagonal line is done along water temperature water figure in two-dimensional Cartesian coordinate system, thermal level is otherly in the same manner
Hot well is greater than contribution of the temperature to thermal energy, diagonal line bottom right to thermal energy contribution positioned at its water of the upper left geothermal well of diagonal line
The water temperature that square geothermal well provides is greater than the contribution of water to geothermal energy contribution.
Preferably, hot water type geothermal well is by the magnitude classification that can provide geothermal energy, when providing identical geothermal energy, underground heat
The water of the higher needs of coolant-temperature gage is then smaller, conversely, the geothermal water temperature the low, the water needed is then bigger.
According to a further aspect of the invention, a kind of application method of hot water type underground heat Well Temperature water Plate Analysis is provided, is wrapped
Include following steps:
Prospect pit degree of testing the water temperature to be judged or estimated temperature and examination water or estimation water value are projected to the water temperature water
Plate Analysis；
The different zones of the water temperature water Plate Analysis are fallen according to subpoint, analyze geothermal energy utilization rank and water temperature
Water contribution.
For newly well is pried into, prospect pit geothermal energy utilization rank can be quickly judged according to the water temperature water Plate Analysis, or
Its geothermal energy production capacity rank is prejudged rapidly to the geothermal well not bored, and analyzes its water temperature water to the contribution of geothermal energy.
A concrete application example is given below in the scheme and its effect of the embodiment of the present invention for ease of understanding.This field
It should be understood to the one skilled in the art that the example is only for the purposes of understanding the present invention, any detail is not intended to be limited in any way
The system present invention.
Below with reference to drawings and examples, the present invention will be described in detail.
The present invention provides method for building up and the application of a kind of geothermal field prospect pit water temperature and water yield Plate Analysis.Wherein, ground
The method for building up of hot field prospect pit water temperature and water Plate Analysis, comprising the following steps:
As shown in Figure 1, establishing two-dimensional Cartesian coordinate system, abscissa indicates prospect pit water temperature variable quantity, is single with degree Celsius
Position, ordinate indicate prospect pit water yield variable quantity, by cube m/h as unit of.
Water conservancy project, which is tried, by prospect pit makees calibration temperature and water yield data.Based on research area's geothermal field prospect pit degree of testing the water temperature and produce
Water data will study the degree of testing the water temperature of multiple geothermal field prospect pits and the throwing of water yield data in area and form scatter plot in a coordinate system
(as shown in figure 1 shown in dot).
Practical tail water temperature feelings after being utilized according to existing prospect pit water temperature water distribution situation in figure, and research area's GEOTHERMAL WATER
The geothermal energies line such as condition calculating and plotting, the present embodiment is by taking tail water temperature is 25 DEG C as an example.
According to heat Calculation formula, the thermal energy power that geothermal well provides has:
Q=c ρ V (T-T0)/3600
C --- the specific heat of underground heat well water, unit are burnt every kilogram degree Celsius (J/ (kg* DEG C)), are averaged 4187J/
(kg*℃)；
ρ --- underground heat water density, unit are kilogram every cubic metre of (kg/m3), it is averaged 1000kg/m3；
V --- output underground heat water volume per hour, unit are cubic meter (m3/h)；
T --- geothermal well output coolant-temperature gage, unit are degree Celsius (DEG C)；
T0--- geothermal well utilizes rear molding coolant-temperature gage, and unit is degree Celsius (DEG C), is averaged 25 DEG C；
Q is taken respectively1、Q2、Q3、Q4For 2000kw, 4000kw, 6000kw, 8000kw, geothermal well water temperature T and water are calculated separately
Measure the geothermal energies line (as shown in Figure 2) such as V relationship and drafting.
In the present embodiment, the position in plate is changed according to prospect pit temperature change in two-dimensional Cartesian coordinate system and water
Difference can quickly until what time recognize:
(1) the geothermal energy potentiality that prospect pit A is provided are greater than the geothermal energy potentiality that prospect pit B and prospect pit C, prospect pit B and prospect pit C are provided
Greater than prospect pit D and prospect pit E；
(2) although prospect pit B and prospect pit C is in a geothermal energy potentiality section (area IV geothermal energy be 2000-4000kw),
The geothermal energy water contribution that prospect pit B is provided is greater than water temperature and contributes, and the geothermal energy water temperature contribution that prospect pit C is provided is greater than water and contributes；
(3) the geothermal energy potentiality that prospect pit D and prospect pit E are provided are not achieved utilizable standard (area V geothermal energy are less than
2000kw), main cause is that the water temperature that prospect pit D is provided is relatively low, and the water that prospect pit E is provided is relatively low.
Above-described embodiment is merely to illustrate the present invention, wherein name variable and unit, tail water temperature value, blueline in plate
Position and interval division can be all varied according to specific data or research purpose, all in technical solution of the present invention base
The equivalent variations and improvement carried out on plinth, it is within the scope of the present invention.
The presently disclosed embodiments is described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.The selection of term used herein, purport
In the principle, practical application or technological improvement to the technology in market for best explaining each embodiment, or lead this technology
Other those of ordinary skill in domain can understand each embodiment disclosed herein.
Claims (10)
1. a kind of method for building up of hot water type underground heat Well Temperature water Plate Analysis, which comprises the following steps:
Two-dimensional Cartesian coordinate system is established, abscissa indicates that prospect pit water temperature variable quantity, ordinate indicate prospect pit water yield variable quantity；
Based on the water temperature data and water data of the research multiple geothermal field prospect pits in area, water is formed in the two-dimensional Cartesian coordinate system
Warm water amount scatter plot；
Draw the equal heat curves of different stage respectively in the two-dimensional Cartesian coordinate system；
The two-dimensional Cartesian coordinate system is divided into different zones based on the equal heat curves.
2. the method for building up of hot water type underground heat Well Temperature water Plate Analysis according to claim 1, which is characterized in that
A diagonal line is done in the two-dimensional Cartesian coordinate system, in the same manner the other geothermal well of thermal level, be located at diagonal line upper leftly
Its water of hot well is greater than contribution of the temperature to thermal energy to thermal energy contribution, and the water temperature that diagonal line lower right geothermal well provides is to geothermal energy
Contribution is greater than the contribution of water.
3. the method for building up of hot water type underground heat Well Temperature water Plate Analysis according to claim 1, which is characterized in that press
The different zones are divided into Ith area, IIth area, IIIth area, the area IV, the area V according to geothermal energy is descending, project to the underground heat of different zones
Well provides different size of geothermal energy, and the geothermal well for being projected in same area has the geothermal energy of same range.
4. the method for building up of hot water type underground heat Well Temperature water Plate Analysis according to claim 1, which is characterized in that root
According to the variation of geothermal well water temperatures, water different in the two-dimensional Cartesian coordinate system, calculates and a plurality of be capable of providing identical calorie value
Different water temperatures, water combination, generate the equal heat curves of different stage.
5. the method for building up of hot water type underground heat Well Temperature water Plate Analysis according to claim 4, which is characterized in that adopt
With fixed tail water temperature value, it is divided into several descending specification areas by geothermal energy.
6. the method for building up of hot water type underground heat Well Temperature water Plate Analysis according to claim 1, which is characterized in that root
The geothermal energy utilization rank of prospect pit is judged according to the water temperature water Plate Analysis, or geothermal energy production capacity grade is judged to the geothermal well not bored
Not, and water temperature water is analyzed to the contribution of geothermal energy.
7. the method for building up of hot water type underground heat Well Temperature water Plate Analysis according to claim 6, which is characterized in that
Prospect pit degree of testing the water temperature to be judged or estimated temperature and examination water or estimation water value project to the water temperature water Plate Analysis, root
The different zones of the water temperature water Plate Analysis are fallen according to subpoint, analyze geothermal energy utilization rank and the contribution of water temperature water is big
It is small.
8. the method for building up of hot water type underground heat Well Temperature water Plate Analysis according to claim 1, which is characterized in that horizontal
Coordinate by degree Celsius as unit of, ordinate by cube m/h as unit of.
9. the method for building up of hot water type underground heat Well Temperature water Plate Analysis according to claim 1, which is characterized in that when
When providing identical geothermal energy, the water of the higher needs of geothermal water temperature is then smaller, conversely, the geothermal water temperature the low, needs
Water is then bigger.
10. a kind of application method of hot water type underground heat Well Temperature water Plate Analysis, which comprises the following steps:
Prospect pit degree of testing the water temperature to be judged or estimated temperature and examination water or estimation water value are projected to the water temperature water to analyze
Plate；
The different zones of the water temperature water Plate Analysis are fallen according to subpoint, analyze geothermal energy utilization rank and water temperature water
Contribution.
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