CN110285863A - A kind of salt cave can utilize the measurement method of volume - Google Patents
A kind of salt cave can utilize the measurement method of volume Download PDFInfo
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- CN110285863A CN110285863A CN201910608411.1A CN201910608411A CN110285863A CN 110285863 A CN110285863 A CN 110285863A CN 201910608411 A CN201910608411 A CN 201910608411A CN 110285863 A CN110285863 A CN 110285863A
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- indicator
- mass concentration
- salt cave
- saturated bittern
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F17/00—Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
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Abstract
This application discloses the measurement methods that a kind of salt cave can utilize volume, are related to salt cave underground space field of measuring technique, which comprises formulate indicator selection criteria；According to the indicator selection criteria, indicator is selected；The indicator is injected in the saturated bittern in salt cave, until the indicator is uniformly mixed in the saturated bittern；The mixed liquor for extracting the indicator Yu the saturated bittern measures the mass concentration of the mixed liquor；The mass concentration in the salt cave is injected according to the indicator, volume can be utilized by calculating the salt cave.Measurement accuracy height, technical effect low in cost, and not limited by cavity form are reached.
Description
Technical field
This application involves the measurement sides that salt cave underground space field of measuring technique more particularly to a kind of salt cave can utilize volume
Method.
Background technique
Due to the low-permeability of rock salt, creep properties and damage self- recoverage characteristic, salt cave is widely used in storing stone
The engineerings such as oil, natural gas, compression energy accumulation, alkaline residue backfill, thus the comprehensive utilization of the salt cave underground space is also increasingly taken seriously.
China rock salt stratum is mainly bedded salt rock, salt intercalation many interlayers, presence and salt due to interlayer
The sediment that chamber process often forms certain volume is made in insoluble matter in rock, salt cave, especially for the more interlayer salt mines of high impurity, sediment
Most volumes has been tended to take up, recent studies have shown that the voidage in the sediment of salt cave can also be used, therefore can benefit in salt cave
With the voidage that the volume in space includes in the detectable volume of sediment top sonar and sediment, these volumes arrange halogen in gas injection
It is each filled with saturated bittern before.
But present inventor during technical solution, has found the above-mentioned prior art extremely in realizing the embodiment of the present application
It has the following technical problems less:
Sonar in the prior art, which surveys chamber instrument, can not detect the voidage in the sediment of salt cave, so as to cause being difficult to estimate salt
Cave cavity using volume the technical issues of.
Apply for content
The measurement method that the embodiment of the present application can utilize volume by providing a kind of salt cave, solve sound in the prior art
The voidage in the sediment of salt cave can not be detected by surveying chamber instrument, so as to cause being difficult to estimate the skill using volume of salt cave cavity
Art problem.Measurement accuracy height, technical effect low in cost, and not limited by cavity form are reached.
To solve the above-mentioned problems, the embodiment of the present application, which provides a kind of salt cave, can utilize the measurement method of volume, described
Method includes: to formulate indicator selection criteria；According to the indicator selection criteria, indicator is selected；The indicator is infused
Enter in the saturated bittern in salt cave, until the indicator is uniformly mixed in the saturated bittern；Extract the indicator with
The mixed liquor of the saturated bittern measures the mass concentration of the mixed liquor；It is injected in the salt cave according to the indicator
Mass concentration, volume can be utilized by calculating the salt cave.
Preferably, it does not include the ion that the salt cave itself is contained that the indicator selection criteria, which includes: the indicator,；
There is not lamination in the saturated bittern in the indicator.
Preferably, described to inject the indicator in the saturated bittern in salt cave, until the indicator is described full
It is uniformly mixed in brine, comprising: estimate salt cave volume available according to salt amount is adopted；According to the testable essence of the indicator
Spend the quality in the injection of indicator described in range computation salt cave；By the saturated bittern in the indicator injection salt cave for calculating good quality
In, until the indicator is uniformly mixed in the saturated bittern.
Preferably, the quality calculated in indicator injection salt cave obtains according to the following formula:
mmin> a% × V
Wherein, V indicates the salt cave volume available estimated；The mass concentration measurement sensitivity range of indicator solution is
> a%.
Preferably, in the saturated bittern by the indicator injection salt cave for calculating good quality, until the indicator
It is uniformly mixed in the saturated bittern, comprising: will be in the saturated bittern in the indicator injection salt cave that good quality be calculated；Pass through
Indicator free diffusing in the saturated bittern, until the indicator is uniformly mixed in the saturated bittern.
Preferably, in the saturated bittern by the indicator injection salt cave for calculating good quality, until the indicator
It is uniformly mixed in the saturated bittern, comprising: will be in the saturated bittern in the indicator injection salt cave that good quality be calculated；Pass through
The mode of stirring mixes the indicator with the saturated bittern, until the indicator mixes in the saturated bittern
It closes uniform.
Preferably, the mixed liquor for extracting the indicator and the saturated bittern, measures the quality of the mixed liquor
Concentration, comprising: within first time, extract the mixed liquor of various concentration；Calculate separately the matter of the mixed liquor of the various concentration
Concentration is measured, and is averaged to it, the first mass concentration of the mixed liquor is obtained；Within the second time, various concentration is extracted
Mixed liquor；The mass concentration of the mixed liquor of the various concentration is calculated separately, and is averaged to it, the mixed liquor is obtained
The second mass concentration；Obtain the first predetermined threshold；Judge the difference of first mass concentration Yu second mass concentration
Whether first predetermined threshold is less than；If the difference of first mass concentration and second mass concentration is less than described
First predetermined threshold calculates the average value of first mass concentration and second mass concentration, obtains the mixed liquor
Mass concentration.
Preferably, whether the difference for judging first mass concentration and second mass concentration is less than described the
After one predetermined threshold, further includes: if the difference of first mass concentration and second mass concentration is not less than described
First predetermined threshold extracts the mixed liquor of various concentration within the third time；Calculate separately the mixed liquor of the various concentration
Mass concentration, and average to it, the third mass concentration of the mixed liquor is obtained, judges the third mass concentration and institute
Whether the difference for stating the second mass concentration is less than first predetermined threshold, until the adjacent mass concentration extracted twice is less than institute
The first predetermined threshold is stated, the mass concentration of the mixed liquor is obtained.
Preferably, the mass concentration injected in the salt cave according to the indicator, it is available to calculate the salt cave
The formula of volume is as follows:
Wherein: GiThe quality in the salt cave is injected for the indicator；ρnFor the instruction measured after being uniformly distributed
The mass concentration of agent；V is the total volume of the mixing liquid.
Said one or multiple technical solutions in the embodiment of the present application at least have following one or more technology effects
Fruit:
The measurement method that the embodiment of the present application can utilize volume by providing a kind of salt cave, which comprises formulation refers to
Show agent selection criteria；According to the indicator selection criteria, indicator is selected；The indicator is injected into the saturation halogen in salt cave
In water, until the indicator is uniformly mixed in the saturated bittern；Extract the mixed of the indicator and the saturated bittern
Liquid is closed, the mass concentration of the mixed liquor is measured；The mass concentration in the salt cave is injected according to the indicator, described in calculating
Salt cave can utilize volume.Voidage in the sediment of salt cave can not be detected by solving sonar in the prior art and surveying chamber instrument, thus
Cause to be difficult to estimate salt cave cavity using volume the technical issues of.It is high, low in cost measurement accuracy is reached, and not by chamber
The technical effect of volume morphing limitation.
Above description is only the general introduction of technical scheme, in order to better understand the technological means of the application,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the application can
It is clearer and more comprehensible, below the special specific embodiment for lifting the application.
Detailed description of the invention
Fig. 1 is that a kind of salt cave provided by the embodiments of the present application can be using the flow diagram of the measurement method of volume；
Fig. 2 is the schematic diagram in the indicator Injection Level formula salt cave in the embodiment of the present application；
Fig. 3 is that the indicator in the embodiment of the present application starts the schematic diagram spread in horizontal salt cave；
Fig. 4 equally distributed schematic diagram in horizontal salt cave for the indicator in the embodiment of the present application；
Fig. 5 is the horizontal salt cave with ground pumping system in the embodiment of the present application.
Appended drawing reference: salt cave 1, sediment 2, sediment void space 3, pump 4, indicator pond 5, indicator 6.
Specific embodiment
The embodiment of the present application, which provides a kind of salt cave, can utilize the measurement method of volume, solve sonar in the prior art
The voidage in the sediment of salt cave can not be detected by surveying chamber instrument, so as to cause being difficult to estimate the technology using volume of salt cave cavity
Problem.
In order to solve the above-mentioned technical problem, technical solution general thought provided by the present application is as follows: by formulating indicator
Selection criteria；According to the indicator selection criteria, indicator is selected；The indicator is injected into the saturated bittern in salt cave
In, until the indicator is uniformly mixed in the saturated bittern；Extract the mixing of the indicator Yu the saturated bittern
Liquid measures the mass concentration of the mixed liquor；The mass concentration in the salt cave is injected according to the indicator, calculates the salt
Cave can utilize volume.Measurement accuracy height, technical effect low in cost, and not limited by cavity form are reached.
Technical scheme is described in detail below by attached drawing and specific embodiment, it should be understood that the application
Specific features in embodiment and embodiment are the detailed description to technical scheme, rather than to present techniques
The restriction of scheme, in the absence of conflict, the technical characteristic in the embodiment of the present application and embodiment can be combined with each other.
Embodiment one
Fig. 1 can be using the flow diagram of the measurement method of volume, such as Fig. 1 institute for salt cave a kind of in the embodiment of the present invention
Show, which comprises
Step 110: formulating 6 selection criteria of indicator；
Step 120: according to 6 selection criteria of indicator, selecting indicator 6；
Further, it does not include that the salt cave 1 is contained itself that 6 selection criteria of indicator, which includes: the indicator 6,
Ion；There is not lamination in the saturated bittern in the indicator 6.
Specifically, a kind of salt cave 1 provided in an embodiment of the present invention can be by 1 chamber of salt cave using volume measuring method
A certain amount of indicator 6 is injected in body, after sufficiently diffusion is uniform in the saturated bittern of 1 cavity of salt cave for indicator 6, measurement refers to
The mass concentration for showing agent 6, calculates the volume of liquid in entire cavity, so obtain salt cave 1 using volume, it is empty comprising sediment
3 volume of gap space.Wherein, the selection of the indicator 6 is critically important, 6 selection criteria of indicator need to be formulated, then according to the finger
Show that 6 selection criteria of agent selects reasonable indicator 6,6 selection criteria of indicator specifically: first, due in salt cave 1
Saturated bittern contains Cl-1、SO42-、K+、Na+、Ca2+、Mg2+Ion, thus requiring cannot be containing saturation halogen in the indicator 6
The Cl contained in water-1、SO42-、K+、Na+、Ca2+、Mg2+Ion；Second, due to 1 bulky of salt cave, even if several tons of injection
The indicator 6, still concentration is lower, for save the cost, therefore it is required that have can under low consistency conditions for the indicator 6
The feature of high sensitivity testing；Third, lamination cannot occur in saturated bittern in the indicator 6, because of lamination
It will lead to the indicator 6 to be unevenly distributed in the solution, be difficult to represent entire chamber in the mass concentration of a certain test point test
The mass concentration of body selects to have to avoid such happen when the indicator 6, it is preferably to use the saturation of on-site collection
Brine carries out test, observes the indicator 6 and is dissolved in after saturated bittern with the presence or absence of lamination；Finally, it is desirable that the instruction
Agent 6 cannot pollute environment, and the indicator 6 due to being finally dissolved in solution can be as gas injection row's halogen be recovered to ground, it is impossible to
The indicator 6 is recycled from the underground saturated bittern of hundreds of thousands cube product again, therefore it is required that the indicator 6 cannot be impurely
Face ring border.
Step 130: the indicator 6 being injected in the saturated bittern in salt cave 1, until the indicator 6 is described full
It is uniformly mixed in brine；
Further, described to inject the indicator 6 in the saturated bittern in salt cave 1, until the indicator 6 is in institute
It states in saturated bittern and is uniformly mixed, comprising: estimate 1 volume available of salt cave according to salt amount is adopted；It can be surveyed according to the indicator 6
The accuracy rating of examination calculates the quality that the indicator 6 injects in salt cave 1；The indicator 6 for calculating good quality is injected into salt cave 1
In saturated bittern in, until the indicator 6 in the saturated bittern be uniformly mixed.
Further, the quality calculated in the injection of indicator 6 salt cave 1 obtains according to the following formula:
mmin> a% × V
Wherein, V indicates 1 volume available of salt cave estimated；The mass concentration measurement sensitivity range of 6 solution of indicator
For > a%.
Specifically, after choosing the indicator 6, using coiled tubing, by pit shaft by 6 note of indicator
Enter among salt cave 1, sees Fig. 2.As shown in figure 3, the beginning of indicator 6 is spread in salt cave 1, in order to accelerate the indicator
6 diffusion reduces the incorporation time of the indicator 6 and saturated bittern in salt cave 1, it is desirable that be directly injected into the indicator 6
To among salt cave 1, rather than it is injected among the pit shaft that ground is connected with salt cave 1.The amount of the indicator 6 about injection, it is first
First basis adopts the volume available V that salt amount estimates the salt cave 1, wherein the salt amount of adopting is the salt amount produced from the salt cave 1
Summation, the volume available V in the salt cave 1 quantitatively with described to adopt salt amount equal；Then testable according to the indicator 6
Accuracy rating calculates the quality that the indicator 6 injects in salt cave 1, and the testable precision of the indicator 6 is higher, required injection
6 mass of the indicator in salt cave 1 is smaller, and the testable precision of the indicator 6 is lower, the institute in required injection salt cave 1
It is bigger to state 6 mass of indicator, wherein the quality calculated in the injection of indicator 6 salt cave 1 obtains according to the following formula:
mmin> a% × V
Wherein, V indicates 1 volume available of salt cave estimated；The mass concentration measurement sensitivity range of 6 solution of indicator
For > a%；Finally the indicator 6 for calculating good quality is injected in the saturated bittern in salt cave 1, until the indicator 6 is described
It is uniformly mixed in saturated bittern, sees Fig. 4.
Further, described to inject the indicator 6 for calculating good quality in the saturated bittern in salt cave 1, until the finger
Show that agent 6 is uniformly mixed in the saturated bittern, comprising: the indicator 6 for calculating good quality is injected to the saturated bittern in salt cave 1
In；By the indicator 6 in the saturated bittern free diffusing, until the indicator 6 in the saturated bittern mix
It closes uniform.
Further, described to inject the indicator 6 for calculating good quality in the saturated bittern in salt cave 1, until the finger
Show that agent 6 is uniformly mixed in the saturated bittern, comprising: the indicator 6 for calculating good quality is injected to the saturated bittern in salt cave 1
In；The indicator 6 is mixed with the saturated bittern by way of stirring, until the indicator 6 is described full
It is uniformly mixed in brine.
Specifically, the indicator 6 for calculating good quality is injected into salt cave 1 by pit shaft using coiled tubing
In the saturated bittern, after a period of time, until the indicator 6 is uniformly mixed with the saturated bittern, wherein available
Diffusion of the indicator 6 in the saturated bittern, can also accelerate the finger by way of manually stirring or pumping
Show that agent 6 is mixed with the saturated bittern, as shown in figure 5, ground be arranged pumping system, wherein comprising pump 4, indicator pond 5,
A certain amount of indicator 6 is contained in the instruction pond 5, the indicator 6 is rapidly injected salt under the action of the pump 4
In cave 1, the indicator 6 is accelerated to mix with the saturated bittern, has further reached indicator 6 and mixed with saturated bittern
Even technical effect.
Step 140: extracting the mixed liquor of the indicator 6 and the saturated bittern, the quality for measuring the mixed liquor is dense
Degree；
Further, the mixed liquor for extracting the indicator 6 and the saturated bittern, measures the matter of the mixed liquor
Measure concentration, comprising: within first time, extract the mixed liquor of various concentration；Calculate separately the mixed liquor of the various concentration
Mass concentration, and average to it, obtain the first mass concentration of the mixed liquor；Within the second time, extract different dense
The mixed liquor of degree；The mass concentration of the mixed liquor of the various concentration is calculated separately, and is averaged to it, the mixing is obtained
Second mass concentration of liquid；Obtain the first predetermined threshold；Judge the difference of first mass concentration Yu second mass concentration
Whether value is less than first predetermined threshold；If the difference of first mass concentration and second mass concentration is less than institute
The first predetermined threshold is stated, the average value of first mass concentration and second mass concentration is calculated, obtains the mixed liquor
Mass concentration.
Further, whether the difference for judging first mass concentration and second mass concentration is less than described
After first predetermined threshold, further includes: if the difference of first mass concentration and second mass concentration is not less than institute
The first predetermined threshold is stated, within the third time, extracts the mixed liquor of various concentration；Calculate separately the mixed liquor of the various concentration
Mass concentration, and average to it, obtain the third mass concentration of the mixed liquor, judge the third mass concentration with
Whether the difference of second mass concentration is less than first predetermined threshold, until the adjacent mass concentration extracted twice is less than
First predetermined threshold, obtains the mass concentration of the mixed liquor.
Specifically, extracting the indicator 6 and institute after the indicator 6 is uniformly mixed with the saturated bittern
The mixed liquor of saturated bittern is stated, and measures the mass concentration of the mixed liquor, in order to prevent lamination, it is desirable that extracts different depths
The mixed liquor of degree, surveys its mass concentration respectively, enables to measurement result relatively reliable in this way.Specifically, in the indicator 6
In the first time being uniformly mixed with the saturated bittern, the indicator 6 and the saturated bittern of different depth are extracted
Mixed liquor, and the mass concentration of the mixed liquor of the different depth is calculated separately, and average to it, obtain the mixed liquor
The first mass concentration；Within the second time, wherein second time is same to extract difference after the first time
The indicator 6 of depth and the mixed liquor of the saturated bittern, and calculate separately the quality of the mixed liquor of the different depth
Concentration, and average to it, obtain the second mass concentration of the mixed liquor；Obtain the first predetermined threshold, wherein described
One predetermined threshold be judge the first mass concentration of the mixed liquor and the difference of second mass concentration whether be less than it is described
The testable precision of indicator 6；Then judge whether first mass concentration and the difference of second mass concentration are less than
First predetermined threshold makes a reservation for if the difference of first mass concentration and second mass concentration is less than described first
Threshold value illustrates that first mass concentration is identical as second mass concentration, i.e., the described indicator 6 and the saturated bittern are
It is uniformly mixed, then calculates the average value of first mass concentration Yu second mass concentration, and then obtain the mixing
The mass concentration of liquid；If the difference of first mass concentration and second mass concentration is not less than the described first predetermined threshold
Value, illustrates that first mass concentration and second mass concentration be not identical, i.e., the described indicator 6 and the saturated bittern are also
It is unmixed uniform, then continuing within the third time, extract the indicator 6 of different depth and the mixing of the saturated bittern
Liquid, and the mass concentration of the mixed liquor of the different depth is calculated separately, and average to it, obtain the of the mixed liquor
Three mass concentrations continue to judge whether the difference of the third mass concentration and second mass concentration is less than described first in advance
Determine threshold value, until the adjacent mass concentration extracted twice is less than first predetermined threshold, the quality for obtaining the mixed liquor is dense
Degree.In brief, after the indicator 6 is injected into the saturated bittern, after mixing after a period of time, start daily
The mixed liquor of indicator 6 and the saturated bittern described in a different depth is extracted, and is averaged to it, as the mixing
The mass concentration of liquid today until the mass concentration of the mixed liquor extracted in two days is identical, and then obtains described mixed
Close the mass concentration of liquid.Using concentration difference diffusion mixing, it is proposed that start to extract the indicator 6 and institute after 10 days
The mixed liquor of saturated bittern is stated, and is extracted daily once, until the indicator 6 of extraction in two days and mixing for the saturated bittern
Close that liquid mass concentration is identical or difference be less than the indicator 6 can be until measuring accuracy.Utilizing artificial the case where stirring
Under, it is proposed that start to extract the mixed liquor of the indicator 6 and the saturated bittern after a week, it is same to extract daily once,
Extracted until two days mixed liquor mass concentration is identical or difference be less than the indicator 6 can be until measuring accuracy.
Step 150: the mass concentration in the salt cave 1 being injected according to the indicator 6, it is available to calculate the salt cave 1
Volume.
Further, the mass concentration injected in the salt cave 1 according to the indicator 6, calculating the salt cave 1 can
It is as follows using the formula of volume:
Wherein: GiThe quality in the salt cave 1 is injected for the indicator 6；ρnFor the finger measured after being uniformly distributed
Show the mass concentration of agent 6；V is the total volume of the mixing liquid.
Specifically, finally injecting the mass concentration in the salt cave 1 according to the acquired indicator 6, institute is calculated
The formula of volume can be utilized by stating salt cave 1, wherein the salt cave 1 can utilize the formula of volume are as follows:
Wherein: GiThe quality in the salt cave 1 is injected for the indicator 6；ρnFor the finger measured after being uniformly distributed
Show the mass concentration of agent 6；V is the total volume of the mixing liquid.Since a kind of salt cave 1 that the embodiment of the present application proposes is available
Volume measuring method is to be injected into the indicator 6 in the saturated bittern in the salt cave 1, thus the method is not by salt cave 1
The form of cavity limits, and is applicable not only to horizontal well, is also applied for the single well single cavity body of high impurity, further by described in measurement
Indicator 6 is uniformly distributed in the mass concentration in the saturated bittern, and survey can be improved using volume by having reached acquisition salt cave 1
Accuracy of measurement reduces the technical effect of cost.
Embodiment two
If the salt cave 1 is a horizontal cavity, it is highly 230m that top plate buried depth, which is 1260m, bottom plate 1490m, two wells
Well spacing 332m, the top cavity volume in the salt cave 1 is respectively 120,000 sides and 50,000 sides, and specific implementation step is as follows:
First according to the selection criteria of the indicator 6, since ethyl alcohol can be infinitely miscible with water, ethyl alcohol is liquid, note
Enter cavity to be easier, and the ion in saturated bittern not will lead to the layering of ethyl alcohol and water, therefore organic solvent ethyl alcohol is selected to make
For indicator 6；Then institute is estimated according to salt amount is adopted by pit shaft by among salt cave 1 described in ethanol injection using coiled tubing
The horizontal cavity for stating salt cave 1 can may survey the mass concentration of spectrometer measurement ethyl alcohol most using gas phase in 500,000 sides or so using volume
Low is 0.01kg/m3, therefore the ethyl alcohol quality m injectedmin> a% × V=5000kg at least needs to inject 5 tons of ethyl alcohol,
It is relatively good in order to achieve the effect that, in addition consider to be actually implanted into 20 tons of ethyl alcohol there may be bigger space.By ethyl alcohol in institute
State free diffusing in saturated bittern, be uniformly mixed, after 10 days from the salt cave 1 different depth (1270m, 1280,1290m,
It 1300m) extracts the mixed liquor of ethyl alcohol and the saturated bittern and surveys its mass concentration, it is continuous to extract a week, and survey its matter
Concentration is measured, ethyl alcohol mass concentration 0.031kg/m is finally measured3, finally according to the ethyl alcohol quality of injection, and the ethyl alcohol measured
The mass concentration being uniformly mixed with the saturated bittern, calculating salt cave 1 can be with the volume of cavityIt is exactly that the salt cave 1 can utilize volume for 64.5 ten thousand sides, removes top two salt caves, 1 space
120000 sides and 50,000 sides show that the sediment 2 in the salt cave 1 can be 47.5 ten thousand sides using space.
Said one or multiple technical solutions in the embodiment of the present application at least have following one or more technology effects
Fruit:
The measurement method that the embodiment of the present application can utilize volume by providing a kind of salt cave, which comprises formulation refers to
Show agent selection criteria；According to the indicator selection criteria, indicator is selected；The indicator is injected into the saturation halogen in salt cave
In water, until the indicator is uniformly mixed in the saturated bittern；Extract the mixed of the indicator and the saturated bittern
Liquid is closed, the mass concentration of the mixed liquor is measured；The mass concentration in the salt cave is injected according to the indicator, described in calculating
Salt cave can utilize volume.Voidage in the sediment of salt cave can not be detected by solving sonar in the prior art and surveying chamber instrument, thus
Cause to be difficult to estimate salt cave cavity using volume the technical issues of.It is high, low in cost measurement accuracy is reached, and not by chamber
The technical effect of volume morphing limitation.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. the measurement method that a kind of salt cave can utilize volume, which is characterized in that the described method includes:
Formulate indicator selection criteria；
According to the indicator selection criteria, indicator is selected；
The indicator is injected in the saturated bittern in salt cave, until the indicator mixes in the saturated bittern
It is even；
The mixed liquor for extracting the indicator Yu the saturated bittern measures the mass concentration of the mixed liquor；
The mass concentration in the salt cave is injected according to the indicator, volume can be utilized by calculating the salt cave.
2. the method as described in claim 1, which is characterized in that the indicator selection criteria includes:
The indicator does not include the ion that the salt cave itself is contained；
There is not lamination in the saturated bittern in the indicator.
3. the method as described in claim 1, which is characterized in that the saturated bittern injected the indicator in salt cave
In, until the indicator is uniformly mixed in the saturated bittern, comprising:
Salt cave volume available is estimated according to salt amount is adopted；
The quality in indicator injection salt cave is calculated according to the testable accuracy rating of the indicator；
The indicator for calculating good quality is injected in the saturated bittern in salt cave, until the indicator is in the saturated bittern
It is uniformly mixed.
4. method as claimed in claim 3, which is characterized in that the quality calculated in indicator injection salt cave according to
Following formula obtains:
mmin> a% × V
Wherein, V indicates the salt cave volume available estimated；
The mass concentration measurement sensitivity range of indicator solution is > a%.
5. method as claimed in claim 3, which is characterized in that satisfying in the indicator injection salt cave that will calculate good quality
In brine, until the indicator is uniformly mixed in the saturated bittern, comprising:
It will be in the saturated bittern in the indicator injection salt cave that good quality be calculated；
By the indicator in the saturated bittern free diffusing, until the indicator mixes in the saturated bittern
Uniformly.
6. method as claimed in claim 3, which is characterized in that satisfying in the indicator injection salt cave that will calculate good quality
In brine, until the indicator is uniformly mixed in the saturated bittern, comprising:
It will be in the saturated bittern in the indicator injection salt cave that good quality be calculated；
The indicator is mixed with the saturated bittern by way of stirring, until the indicator is in the saturation
It is uniformly mixed in brine.
7. the method as described in claim 1, which is characterized in that the mixing for extracting the indicator and the saturated bittern
Liquid measures the mass concentration of the mixed liquor, comprising:
Within first time, the mixed liquor of various concentration is extracted；
The mass concentration of the mixed liquor of the various concentration is calculated separately, and is averaged to it, the of the mixed liquor is obtained
One mass concentration；
Within the second time, the mixed liquor of various concentration is extracted；
The mass concentration of the mixed liquor of the various concentration is calculated separately, and is averaged to it, the of the mixed liquor is obtained
Two mass concentrations；
Obtain the first predetermined threshold；
Judge whether first mass concentration and the difference of second mass concentration are less than first predetermined threshold；
If the difference of first mass concentration and second mass concentration is less than first predetermined threshold, described in calculating
The average value of first mass concentration and second mass concentration, obtains the mass concentration of the mixed liquor.
8. the method for claim 7, which is characterized in that judgement first mass concentration and second mass
Whether the difference of concentration is less than after first predetermined threshold, further includes:
If the difference of first mass concentration and second mass concentration is not less than first predetermined threshold, in third
In time, the mixed liquor of various concentration is extracted；
The mass concentration of the mixed liquor of the various concentration is calculated separately, and is averaged to it, the of the mixed liquor is obtained
Three mass concentrations, judge whether the third mass concentration and the difference of second mass concentration are less than the described first predetermined threshold
Value, until the adjacent mass concentration extracted twice be less than first predetermined threshold, obtain the mass concentration of the mixed liquor.
9. the method as described in claim 1, which is characterized in that the quality injected according to the indicator in the salt cave
Concentration, calculating the salt cave can be as follows using the formula of volume:
Wherein: GiThe quality in the salt cave is injected for the indicator；
ρnFor the mass concentration of the indicator measured after being uniformly distributed；
V is the total volume of the mixing liquid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910608411.1A CN110285863B (en) | 2019-07-08 | 2019-07-08 | Method for measuring available volume of salt cavern |
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| CN201910608411.1A CN110285863B (en) | 2019-07-08 | 2019-07-08 | Method for measuring available volume of salt cavern |
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| CN110285863B CN110285863B (en) | 2020-09-22 |
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Cited By (5)
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| CN113670403B (en) * | 2021-09-09 | 2024-04-02 | 山东鲁银盐穴储能工程技术有限公司 | Salt cavern cavity shape measurement method |
| CN114791484A (en) * | 2022-04-12 | 2022-07-26 | 石家庄铁道大学 | Underground salt cavern creep rate determination method |
| CN114791484B (en) * | 2022-04-12 | 2023-09-19 | 石家庄铁道大学 | Method for measuring creep rate of underground salt cavern |
| CN118129856A (en) * | 2024-02-23 | 2024-06-04 | 中国科学院武汉岩土力学研究所 | Device and method for measuring and calculating cavity shape of salt cavern helium storage warehouse |
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