CN109726374A - The method for building up and application method of hot water type underground heat Well Temperature depth map version - Google Patents
The method for building up and application method of hot water type underground heat Well Temperature depth map version Download PDFInfo
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- CN109726374A CN109726374A CN201711052735.9A CN201711052735A CN109726374A CN 109726374 A CN109726374 A CN 109726374A CN 201711052735 A CN201711052735 A CN 201711052735A CN 109726374 A CN109726374 A CN 109726374A
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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
- 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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Abstract
The invention discloses the method for building up and application method of a kind of hot water type underground heat Well Temperature depth map version, establish the following steps are included: establishing two-dimensional Cartesian coordinate system, abscissa indicates that prospect pit water temperature variable quantity, ordinate indicate that prospect pit produces water section depth variance；Based on geothermal field success prospect pit degree of testing the water temperature and water section depth relationship is produced, forms water temperature depth scatter plot in the two-dimensional Cartesian coordinate system；The identical straight line of two slopes is demarcated in the water temperature depth scatter plot in the two-dimensional Cartesian coordinate system；Water temperature depth scatter plot is divided into three regions using two straight lines as boundary.The plate can be widely applied to during geothermal field exploration assessment, and the understanding in terms of conveniently obtaining temperature to geothermal field, use manpower and material resources sparingly resource.The present invention improves the agility and science of geothermal field prospect pit water temperature depth relationship 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 exploration Well Temperature produces water section depth and sentences
Other model, the i.e. foundation and application of hot water type underground heat Well Temperature depth map version.
Background technique
Currently, domestic geothermal resource of hydrothermal type is rapid as cleaning heating energy development, but to the water temperature of underground heat prospect pit depth
Spend whether section generally effectively judges in available normal range (NR) shortage, it is usually terraced according to the ground temperature of construction location where prospect pit
Degree is calculated that, since geotherm geology constructs complexity, the factor for influencing GEOTHERMAL WATER water temperature is more, for not meeting prediction ground temperature ladder
The temperature value of degree needs to carry out the analysis of various related geologic(al) factors, causes to judge rapidly whether prospect pit water temperature belongs to just
The reason of normal range or temperature anomaly, and the prospect pit of each different tectonic element geothermal field requires to rejudge, each construction
Unit geothermal gradient is different, and the water temperature comparativity of different prospect pits is not strong.
Summary of the invention
It is an object of the invention to solve under geothermal field prospect pit water yield formation depth certain situation existing in the prior art, water
The whether normal quickly judgement of temperature and the judgement of not normal reason are higher than the geothermal gradient estimated including temperature or lower than the ground temperature estimated
Gradient value.
For prior art problem, the present invention provides a kind of geothermal field prospect pit water temperature-production water section depth intervals reason of changes
The method for building up of Plate Analysis and application.
According to an aspect of the present invention, a kind of method for building up of hot water type underground heat Well Temperature depth map version is provided, including
Following steps:
Two-dimensional Cartesian coordinate system is established, abscissa indicates that prospect pit water temperature variable quantity, ordinate indicate that prospect pit produces water section depth
Variable quantity；
Based on geothermal field success prospect pit degree of testing the water temperature and water section depth relationship is produced, is formed in the two-dimensional Cartesian coordinate system
Water temperature depth scatter plot；
The identical straight line of two slopes is demarcated in the water temperature depth scatter plot in the two-dimensional Cartesian coordinate system；
Water temperature depth scatter plot is divided into three regions using two straight lines as boundary.
Further, section folded by two straight lines is temperature with production water depth normal variation section；The biggish straight line of intercept
Upper right side is abnormal high temperature area, and the lesser straight line lower left of intercept is abnormal low temperature area.
Further, according to temperature change in the two-dimensional Cartesian coordinate system and different production water section change in depth, with identical
Producing maximum temperature and minimum temperature that water section depth measures is condition, demarcates the identical straight line of two slopes.
Further, water conservancy project is tried by prospect pit and makees calibration temperature data, the calibration of water section depth median is produced according to prospect pit and is visited
Well produces water section depth data.
Further, the degree of testing the water temperature of multiple hot water type geothermal fields success prospect pit and water yield formation section depth data are thrown in institute
It states in two-dimensional Cartesian coordinate system, subregion classification is carried out to multiple hot water type geothermal field water temperature reasons of changes.
Further, if degree of the testing the water temperature-production water depth point for newly prying into well is located at normal variation section, the prospect pit
Belong to normal ground temperature gradient zones；
If newly prying into well degree of testing the water temperature-production water depth point is located at abnormal high temperature area, which is abnormal high temperature hot-fluid
The body zone of influence；
If newly prying into well degree of testing the water temperature-production water depth point is located at abnormal low temperature area, which is abnormal low temperature fluid
The zone of influence.
Further, abscissa by degree Celsius as unit of, ordinate is as unit of rice.
According to a further aspect of the invention, a kind of application method of hot water type underground heat Well Temperature depth map version is provided, including with
Lower step:
The degree of testing the water temperature of multiple geothermal fields success prospect pit and water yield formation section depth data are thrown in the two-dimentional rectangular co-ordinate
In system；
If degree of the testing the water temperature-production water depth point for newly prying into well is located at normal variation section, which belongs to normally
Warm gradient zones；
If newly prying into well degree of testing the water temperature-production water depth point is located at abnormal high temperature area, which is abnormal high temperature hot-fluid
The body zone of influence；
If newly prying into well degree of testing the water temperature-production water depth point is located at abnormal low temperature area, which is abnormal low temperature fluid
The zone of influence.
The present invention is based on geothermal field prospect pit water temperature and produce water section change in depth scatter plot, by multiple geothermal field prospect pit water temperatures with
It produces water section change in depth data to throw into two-dimensional Cartesian coordinate system, subregion is carried out to multiple hot water type geothermal field water temperature reasons of changes
Classification.Geothermal field prospect pit water temperature reason of changes Plate Analysis in the present invention is broadly divided into normal interval and abnormal section, abnormal
Section can be divided into abnormal high temperature section and again singularly between warm area, plate it is brief and concise express different hot water type geothermal fields
The principal element that prospect pit water temperature changes in exploration process.Plate can not only quickly analyze the master of each geothermal field prospect pit water temperature variation
Factor is wanted, qualitative evaluation can also be carried out to the geothermal field representated by prospect pit.The plate can be widely applied to geothermal field exploration
In evaluation procedure, conveniently to the understanding in terms of geothermal field acquirement temperature, use manpower and material resources sparingly resource.
The present invention improves the agility and science of geothermal field prospect pit water temperature depth relationship evaluation, has more evaluation result
There is reference value.
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 the schematic diagram of geothermal well prospect pit water temperature and production water section change in depth analysis of causes plate of the invention.
Fig. 2 is the application schematic diagram of geothermal well prospect pit water temperature and production water section change in depth analysis of causes plate of the invention.
Fig. 3 is the flow chart of the method for building up of hot water type underground heat Well Temperature depth map version 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.
The invention discloses a kind of method for building up of hot water type underground heat Well Temperature change in depth analysis of causes plate and application,
Based on geothermal field success prospect pit degree of testing the water temperature and water section depth relationship scatter plot is produced, by geothermal field success prospect pits multiple in research area
Degree of testing the water temperature and water yield formation section depth data throw in two-dimensional Cartesian coordinate system.According to temperature change in coordinate system and different productions
Water Duan Bianhua measures maximum temperature and minimum temperature as condition using identical production water depth, demarcates the identical straight line of two slopes, with
Research is divided into three regions for boundary by this two straight lines.Section folded by two straight lines is temperature with production water depth normal variation
Section, the biggish straight line upper right side of intercept are abnormal high temperature area, and the lesser straight line lower left of intercept is abnormal low temperature area.
As shown in figure 3, providing a kind of method for building up of hot water type underground heat Well Temperature depth map version, comprising the following steps:
Two-dimensional Cartesian coordinate system is established, abscissa indicates that prospect pit water temperature variable quantity, ordinate indicate that prospect pit produces water section depth
Variable quantity；
Based on geothermal field success prospect pit degree of testing the water temperature and water section depth relationship is produced, is formed in the two-dimensional Cartesian coordinate system
Water temperature depth scatter plot；
It is warm with the maximum that identical production water section depth measures in the water temperature depth scatter plot in the two-dimensional Cartesian coordinate system
Degree is condition with minimum temperature, demarcates the identical straight line of two slopes；It is boundary water temperature depth scatterplot using two straight lines
Figure is divided into three regions.
Specifically, two-dimensional Cartesian coordinate system is initially set up, abscissa indicates prospect pit coolant-temperature gage variable quantity, is with degree Celsius
Unit, ordinate indicates that prospect pit produces water section depth variance, as unit of rice, produces water section depth and takes subject to production water section median.
Water conservancy project is tried by prospect pit and makees calibration temperature data, and the calibration prospect pit of water section depth is produced according to prospect pit and produces water section depth number
According to.Based on geothermal field success prospect pit degree of testing the water temperature and produce water section depth relationship scatter plot.
Next, according to temperature change in coordinate system and different production water Duan Bianhua, with the identical maximum for producing water depth and measuring
Temperature and minimum temperature are condition, demarcate the identical straight line of two slopes.
Finally, three regions are divided into research using this two straight lines as boundary, section folded by two straight lines be temperature with
Produce water depth normal variation section, Ith area.The biggish straight line upper right side of intercept is high-temperature region, IIth area, the lesser straight line lower-left of intercept
Side is low-temperature space, IIIth area.
According to a further aspect of the invention, a kind of application method of hot water type underground heat Well Temperature depth map version is provided, including with
Lower step:
The degree of testing the water temperature of multiple geothermal fields success prospect pit and water yield formation section depth data are thrown in the two-dimentional rectangular co-ordinate
In system；
If degree of the testing the water temperature-production water depth point for newly prying into well is located at normal variation section, which belongs to normally
Warm gradient zones；
If newly prying into well degree of testing the water temperature-production water depth point is located at abnormal high temperature area, which is abnormal high temperature hot-fluid
The body zone of influence；
If newly prying into well degree of testing the water temperature-production water depth point is located at abnormal low temperature area, which is abnormal low temperature fluid
The zone of influence.
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 provide a kind of geothermal field prospect pit water temperature and produce water section change in depth analysis of causes plate method for building up and
Using.Wherein, the method for building up of geothermal field prospect pit water temperature and production water section change in depth analysis of causes plate, 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 indicates that prospect pit produces water section depth variance, as unit of rice, produces water section depth and takes subject to production water section median.It is logical
It crosses prospect pit examination water conservancy project and makees calibration temperature data, water section depth median is produced according to prospect pit and demarcates prospect pit depth data.Based on underground heat
Field success prospect pit degree of testing the water temperature and water section depth relationship scatter plot is produced, testing the water temperature for multiple geothermal fields success prospect pit in area will be studied
Degree and water yield formation section depth data are thrown in a coordinate system (as shown in figure 1 shown in dot).
According to temperature change in coordinate system and different production water Duan Bianhua, maximum temperature and minimum are measured with identical production water depth
Temperature is condition, demarcates the identical straight line of two slopes, and three regions are divided into research using this two straight lines as boundary, two
Section folded by straight line is temperature with production water depth normal variation section, Ith area；The biggish straight line upper right side of intercept is high-temperature region, II
Area；The lesser straight line lower left of intercept is low-temperature space, IIIth area.
Ith area is prospect pit normal temperature constant interval, and with production water section depth down, water temperature is increased；IIth area is that prospect pit is extremely high
Warm area indicates that underground produces water section and may be influenced by the high temperature fluid for being higher than normal geothermal gradient；IIIth area is prospect pit exception ground temperature
Area, but prospect pit examination water water it is significant lower when, indicate temperature influenced by water and underground heat cannot effectively be taken out of pit shaft, when
It tries that water water is normal when only water temperature is relatively low, indicates that underground produces water section and may gang up with superficial part water at low temperature or surface water.
By taking geothermal field prospect pits multiple in some region as an example, prospect pit water temperature is established using the method for the present invention and produces water section depth
Reason of changes Plate Analysis has prospect pit A, prospect pit B to fall within IIIth area, IIth area respectively.Water section purpose is produced through prospect pit A known to geological analysis
Layer has water conductive fault to be connected to surface drainage, causes temperature lower than normal range (NR)；And prospect pit B produces water section target zone and deep fault connects
Logical, high-temperature hot fluid, which enters interval of interest along deep fault, causes temperature to be higher than normal range (NR).
Above-described embodiment is merely to illustrate the present invention, wherein name variable and unit, subregion line slope and section in plate
Division can be all varied according to specific data, all equivalent variationss carried out on the basis of technical solution of the present invention and
It improves, 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 (8)
1. a kind of method for building up of hot water type underground heat Well Temperature depth map version, which comprises the following steps:
Two-dimensional Cartesian coordinate system is established, abscissa indicates that prospect pit water temperature variable quantity, ordinate indicate that prospect pit produces water section change in depth
Amount；
Based on geothermal field success prospect pit degree of testing the water temperature and water section depth relationship is produced, forms water temperature in the two-dimensional Cartesian coordinate system
Depth scatter plot；
The identical straight line of two slopes is demarcated in the water temperature depth scatter plot in the two-dimensional Cartesian coordinate system；
Water temperature depth scatter plot is divided into three regions using two straight lines as boundary.
2. the method for building up of hot water type underground heat Well Temperature depth map version according to claim 1, which is characterized in that two straight
Section folded by line is temperature with production water depth normal variation section；The biggish straight line upper right side of intercept is abnormal high temperature area, intercept
Lesser straight line lower left is abnormal low temperature area.
3. the method for building up of hot water type underground heat Well Temperature depth map version according to claim 1, which is characterized in that according to institute
Temperature change and different production water section change in depth in two-dimensional Cartesian coordinate system are stated, the maximum temperature measured with identical production water section depth
It is condition with minimum temperature, demarcates the identical straight line of two slopes.
4. the method for building up of hot water type underground heat Well Temperature depth map version according to claim 1, which is characterized in that pass through spy
Calibration temperature data is made in well examination water conservancy project, produces the calibration prospect pit of water section depth median according to prospect pit and produces water section depth data.
5. the method for building up of hot water type underground heat Well Temperature depth map version according to claim 1, which is characterized in that will be multiple
The degree of testing the water temperature and water yield formation section depth data of hot water type geothermal field success prospect pit are thrown in the two-dimensional Cartesian coordinate system, to more
A hot water type geothermal field water temperature reason of changes carries out subregion classification.
6. the method for building up of hot water type underground heat Well Temperature depth map version according to claim 5, which is characterized in that if new
Degree of the testing the water temperature-production water depth point for prying into well is located at normal variation section, then the prospect pit belongs to normal ground temperature gradient zones；
If newly prying into well degree of testing the water temperature-production water depth point is located at abnormal high temperature area, which is abnormal high temperature hot fluid shadow
Ring area；
If newly prying into well degree of testing the water temperature-production water depth point is located at abnormal low temperature area, which is the influence of abnormal low temperature fluid
Area.
7. the method for building up of hot water type underground heat Well Temperature depth map version according to claim 1, which is characterized in that abscissa
By degree Celsius as unit of, ordinate is as unit of rice.
8. a kind of application method of hot water type underground heat Well Temperature depth map version, which comprises the following steps:
The degree of testing the water temperature of multiple geothermal fields success prospect pit and water yield formation section depth data are thrown in the two-dimensional Cartesian coordinate system；
If degree of the testing the water temperature-production water depth point for newly prying into well is located at normal variation section, which belongs to normal ground temperature ladder
Spend area；
If newly prying into well degree of testing the water temperature-production water depth point is located at abnormal high temperature area, which is abnormal high temperature hot fluid shadow
Ring area；
If newly prying into well degree of testing the water temperature-production water depth point is located at abnormal low temperature area, which is the influence of abnormal low temperature fluid
Area.
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| CN201711052735.9A CN109726374B (en) | 2017-10-30 | 2017-10-30 | Method for establishing hydrothermal geothermal well water temperature depth chart and application method |
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