CN109882158A - Drill-hole pumping water level test method and drilling water level test device - Google Patents
Drill-hole pumping water level test method and drilling water level test device Download PDFInfo
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- CN109882158A CN109882158A CN201910214225.XA CN201910214225A CN109882158A CN 109882158 A CN109882158 A CN 109882158A CN 201910214225 A CN201910214225 A CN 201910214225A CN 109882158 A CN109882158 A CN 109882158A
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Abstract
The present invention provides a kind of drill-hole pumping water level test method and drilling water level test device, and this method includes the initial water level obtained in drilling hole；It opens water pump and carries out single-well pumping test, obtain water level and restore observation data；Restore observation data according to water level, fitting water level restores observation curve；Restore observation curve according to water level, obtains hole wall water level；The depth displacement between initial water level and hole wall water level is calculated, drilling water level drawdown value is obtained.Realize that fitting water level restores observation curve, the corresponding water level of coordinate points that the water level restores observation curve maximum curvature is determined as hole wall water level, reduce the error of water level, to obtain accurate drawdown, it is calculated for the water in exploration process and evaluation provides accurate parameter, avoid damage caused by due to hydrogeological parameter mistake.
Description
Technical field
The present invention relates to drilling technique fields, survey in particular to drill-hole pumping water level test method and drilling water level
Trial assembly is set.
Background technique
Currently, the test of drill-hole pumping precipitation is indispensable work, mine pit water discharge in the exploration process of mineral resources
Amount calculate and groundwater resources amount calculating by be geological prospecting routine work, wherein drilling water level drawdown value, be calculate
Essential parameter in pit inflow of water and groundwater resources amount.
Currently, drilling water level drawdown value mainly passes through the minimum of the initial water level and water level in borehole measured in drilling hole
Point, and using the minimum point of the water level in borehole of measurement as hopper centre's water level, then by calculating initial water level and hopper centre
The difference of the elevation of water level obtains drilling water level drawdown value.
Since the definition of drawdown value is the difference of initial water level and hopper centre's water level at structures of drawing water, wherein
Hopper centre's water level is the minimum point of hole wall water level, and hopper centre's water level in the minimum point and definition of the water level in borehole measured
Between there are very big difference, by the minimum point of water level in borehole directly as hopper centre's water level, lead to the Drilling Water potential drop calculated
Deep value error is very big, and the error by the hydrogeological parameter of drilling water level drawdown value acquisition is very big, and according to the Drilling Water
The water yield of other hydrogeological parameter calculations of the deep value of potential drop and its reverse is far smaller than the practical water yield of pit shaft or pit, from
And pit shaft or pit is be easy to cause to be flooded and dead disaster.
Summary of the invention
In view of this, the embodiment of the present invention is designed to provide a kind of drill-hole pumping water level test method and drilling water level
Test device realizes that fitting water level restores observation curve, and the coordinate points which is restored observation curve maximum curvature are corresponding
Water level is determined as hopper centre's water level, reduces the error of hopper centre's water level of definition, so as to obtain accurate water level
Drawdown, the water yield for pit calculates and evaluation provides accurate parameter, avoids and causes because of hydrogeological parameter mistake
Damage.
In a first aspect, the embodiment of the invention provides a kind of drill-hole pumping water level test methods, which comprises
Obtain the initial water level in drilling hole；
It opens water pump and carries out single-well pumping test, obtain water level and restore observation data；
Restore observation data according to the water level, fitting water level restores observation curve；
Restore observation curve according to the water level, obtains hole wall water level；
The depth displacement between the initial water level and the hole wall water level is calculated, drilling water level drawdown value is obtained.
With reference to first aspect, the embodiment of the invention provides the first possible implementation of above-mentioned first aspect,
In, the unlatching water pump carries out single-well pumping test, obtains water level and restores observation data, comprising:
It opens water pump and carries out test of drawing water；
It after the pumping operation for carrying out preset time period, switches off the pump, after being stopped pumping by hydraulic pressure sensor acquisition
Restore water pressure data in hole；
It will restore water pressure data in the hole and be converted into water level recovery observation data.
With reference to first aspect, the embodiment of the invention provides second of possible implementation of above-mentioned first aspect,
In, described to restore observation data according to the water level, fitting water level restores observation curve, comprising:
Restore observation data according to the water level and draws water level recovery curve；
Water level, which is fitted, according to the water level recovery curve restores observation curve.
With reference to first aspect, the embodiment of the invention provides the third possible implementation of above-mentioned first aspect,
In, it is described that position observation curve is restored according to the water, obtain hole wall water level, comprising:
Water level recovery curve observational equation is established according to the water-level observation curve；
According to the water level recovery curve observational equation, it is corresponding to calculate each coordinate points on the water level recovery observation curve
Curvature；
The coordinate points of maximum curvature are determined from the corresponding curvature of each coordinate points；
The corresponding water level of the coordinate points of the determination is determined as hole wall water level.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides the of above-mentioned first aspect
Four kinds of possible implementations, wherein it is described after the pumping operation for carrying out preset time period, it switches off the pump, passes through the water
Pressure sensor, which obtains in the hole after stopping pumping, restores water pressure data, comprising:
After the pumping operation for carrying out preset time period, switches off the pump, continued in acquisition pores by the hydraulic pressure sensor
Water pressure data；
Real-time monitoring is carried out to water pressure data in the hole of lasting acquisition, when water pressure data is full in the hole for monitoring to continuously acquire
When sufficient pre-determined stability condition, stop water pressure data in acquisition pores；
It will be determined as stopping from switching off the pump to water pressure data in the hole for stopping obtaining during water pressure data in acquisition pores
Restore water pressure data in hole after only drawing water.
Second aspect, the embodiment of the invention provides a kind of drilling water level test device, described device includes hydraulic pressure sensing
Device, secondary meter, data processor and data cable；
The diving end of the data cable connects the hydraulic pressure sensor, the ground surface end connection described two of the data cable
Secondary instrument；
The hydraulic pressure sensor, for acquiring water pressure data in initial water level and hole, and will be in the initial water level and hole
Water pressure data is transferred to the secondary meter by the data cable；
The secondary meter sends monitoring order to the hydraulic pressure sensor by the data cable；Receive, storage and
Show water pressure data in the initial water level and hole of the hydraulic pressure sensor transmission；
Water pressure data in the hole is converted into water level and restores observation data by the data processor；According to the water level
Restore observation data and draws water level recovery curve；Water level, which is fitted, according to the water level recovery curve restores observation curve；According to institute
It states water level and restores observation curve acquisition hole wall water level；The depth displacement between initial water level and the hole wall water level is calculated, is bored
Hole drawdown value.
In conjunction with second aspect, the embodiment of the invention provides the first possible implementation of above-mentioned second aspect,
In, described device further includes water pump and metallic rod；
The suction hose of the water pump is bundled with the metallic rod；
The data cable is fixed in the metallic rod, and the hydraulic pressure sensor is fixedly mounted on the latent of the metallic rod
Water end (W.E.).
In conjunction with second aspect, the embodiment of the invention provides second of possible implementation of above-mentioned second aspect,
In, the secondary meter includes receiving element, memory element, control element, signal key and display screen；
The receiving element is connect with the memory element, the display screen and the hydraulic pressure sensor respectively, receives institute
Water pressure data in the hole of hydraulic pressure sensor transmission is stated, and transmits in the hole water pressure data to the memory element and described
Display screen；The memory element, for storing water pressure data in the hole；The display screen, for showing hydraulic pressure in the hole
Data；
The control element respectively with the memory element, the display screen, the signal key and the hydraulic pressure sensor
Connection receives the trigger signal of the signal key transmission, and sends monitoring order according to the trigger signal and pass to the hydraulic pressure
Sensor, or according to the trigger signal, from transferring water pressure data in the hole in the memory element, and by the hole Nei Shui
Pressure data are transferred to the display screen.
In conjunction with second of possible embodiment of second aspect, the embodiment of the invention provides the of above-mentioned second aspect
Three kinds of possible implementations, wherein the signal key includes clock and watch check and correction key, storage key, display key, sample frequency setting
Key, water level conversion key and data export key.
In conjunction with second of possible embodiment of second aspect, the embodiment of the invention provides the of above-mentioned second aspect
Four kinds of possible implementations, wherein the secondary meter further includes USB interface and network interface；
The USB interface restores data for exporting initial water level and drilling water level in borehole in the drilling hole acquired；
The network interface, for connecting the secondary meter and the data processor by wireline cable.
In method and device provided in an embodiment of the present invention, which includes obtaining drilling hole
Interior initial water level；It opens water pump and carries out single-well pumping test, obtain water level and restore observation data；Restore observation number according to water level
According to fitting water level restores observation curve；Restore observation curve according to water level, obtains hole wall water level；Calculate initial water level and hole wall
Depth displacement between water level obtains drilling water level drawdown value；The drilling water level test device includes hydraulic pressure sensor, secondary instrument
Table, data processor and data cable；The diving end of data cable connects hydraulic pressure sensor, the ground surface end connection two of data cable
Secondary instrument；Hydraulic pressure sensor leads to for acquiring water pressure data in initial water level and hole, and by water pressure data in initial water level and hole
It crosses data cable and is transferred to secondary meter；Secondary meter sends monitoring order to hydraulic pressure sensor by data cable；Receive,
Water pressure data in the initial water level and hole of storage and display hydraulic pressure sensor transmission；Data processor turns water pressure data in hole
It changes water level into and restores observation data；Restore observation data according to water level and draws water level recovery curve；It is quasi- according to water level recovery curve
Heshui bit recovery observation curve；Restore observation curve according to water level and obtains hole wall water level；Calculate initial water level and hole wall water level it
Between depth displacement, obtain drilling water level drawdown value.It realizes fitting water level and restores observation curve, which is restored into observation curve
The corresponding water level of the coordinate points of maximum curvature is determined as hole wall water level, reduces the error with hopper centre's water level of definition, from
And available accurate drawdown, the water yield for pit calculates and evaluation provides accurate parameter, avoids because of water
Literary geologic parameter mistake and caused by damage.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Figure 1A shows the flow chart of drill-hole pumping water level test method provided by the embodiment of the present invention 1；
Figure 1B shows and obtains the flow chart that water level restores observation data provided by the embodiment of the present invention 1；
Fig. 1 C shows the flow chart that hole wall water level is obtained provided by the embodiment of the present invention 1；
Fig. 1 D shows water level recovery curve provided by the embodiment of the present invention 1 and water level restores observation curve；
Fig. 2A shows a kind of structural schematic diagram of drilling water level test device provided by the embodiment of the present invention 2；
Fig. 2 B shows the structure chart of drilling water level test device provided by the embodiment of the present invention 2.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
In view of in the prior art, due between hopper centre's water level in the minimum point and definition of the water level in borehole of measurement
There are very big differences, by the minimum point of water level in borehole directly as hopper centre's water level, lead to the drilling water level drawdown value calculated
Error is very big, and the error by the hydrogeological parameter of drilling water level drawdown value acquisition is very big, and according to the Drilling Water potential drop
The water yield that deep value calculates is far smaller than the practical water yield of pit shaft and pit, to be easy to cause pit shaft or mine in exploration process
Hole is flooded and dead disaster.Based on this, the present invention provides a kind of drill-hole pumping water level test method and drilling water level test dresses
It sets, realizes that fitting water level restores observation curve, the corresponding water level of coordinate points which is restored observation curve maximum curvature is true
It is set to hopper centre's water level, reduces the error with hopper centre's water level of definition, so as to obtain accurate drawdown,
To provide accurate parameter to the calculating of pit inflow of water water and evaluation in exploration process, avoid because of hydrogeological parameter mistake
It is damaged caused by accidentally.It is described below by embodiment.
Embodiment 1
Referring to Figure 1A, the embodiment of the invention provides a kind of drill-hole pumping water level test methods.This method includes following
S101-S105 step.
Step S101: the initial water level in drilling hole is obtained.
Step S102: opening water pump and carry out single-well pumping test, obtains water level and restores observation data.
Step S103: it according to water-level observation data, is fitted water level and restores observation curve.
Step S104: observation curve is restored according to water level, obtains hole wall water level.
Step S105: the depth displacement between initial water level and hole wall water level is calculated, drilling water level drawdown value is obtained.
In embodiments of the present invention, it before carrying out single-well pumping test to drilling, needs first to obtain first in drilling hole
Beginning water level.Wherein, the initial water level in drilling hole is obtained, is first to acquire the hydraulic pressure number for boring water level in borehole by hydraulic pressure sensor
According to the water pressure data of acquisition is transferred to secondary meter by hydraulic pressure sensor, then passes through secondary meter or other water level route markers
Water pressure data is converted into corresponding water level value, using the water level value as the initial water level in drilling hole.
In above-mentioned S102 step, single hole pumping is being carried out according to professional standards such as exploration specification and single-well pumping testing standards
During water test, water-level observation data are obtained, can specifically be obtained by following S1021-S1023 step, as shown in Figure 1B.
Step S1021: it opens water pump and carries out test of drawing water.
When water pump is drawn water, above-mentioned hydraulic pressure sensor acquires water pressure data of drawing water in hole in real time, and passes through data line
The secondary meter that water pressure data of drawing water in hole is transferred on ground by cable, secondary meter display and store the hydraulic pressure number that draws water in hole
According to.
Step S1022: after the pumping operation for carrying out preset time period, switching off the pump, and is stopped by hydraulic pressure sensor acquisition
Restore water pressure data in hole after only drawing water.
In above-mentioned steps S1022, is obtained in the hole after stopping pumping by hydraulic pressure sensor and restore water pressure data, specifically
It can be obtained by following S10221-S10223 step.
Step S10221: it after the pumping operation for carrying out preset time period, switches off the pump, is persistently obtained by hydraulic pressure sensor
Take water pressure data in hole.
Above-mentioned preset time period, to the high rate observation of drilling water level than shortest time for being required in single-well pumping testing standard
It grows, can be 1 hour, after the pumping operation for carrying out preset time, then can reduce sample frequency.
After switching off the pump, secondary meter sends monitoring order to hydraulic pressure sensor, and hydraulic pressure sensor receives monitoring life
After order, start to acquire water pressure data in hole according to the sample frequency that monitoring order includes.Wherein, the sample frequency not less than 5 times/
Second.
Step S10222: real-time monitoring is carried out to water pressure data in the hole of lasting acquisition, when the hole for monitoring to continuously acquire
When interior water pressure data meets pre-determined stability condition, stop water pressure data in acquisition pores.
When hydraulic pressure sensor orders water pressure data in acquisition hole according to monitoring, secondary meter can receive hydraulic pressure biography
Water pressure data in the hole of sensor transmission, and water pressure data in the hole received is counted, when water pressure data in the hole of statistics
In most latter two water pressure data difference be less than or equal to preset value when, then illustrate that water pressure data meets pre-determined stability condition in hole,
At this point, secondary meter, which is sent, stops monitoring order to hydraulic pressure sensor, hydraulic pressure sensor stops water pressure data in acquisition hole；Work as system
The difference of last continuous two water pressure datas is greater than preset value in water pressure data in the hole of meter, then illustrates that water pressure data is unsatisfactory in hole
Pre-determined stability condition, at this point, hydraulic pressure sensor continues to acquire water pressure data in hole, secondary meter is calculated in real time in most latter two hole
The difference of water pressure data, until the difference of water pressure data is less than preset value in most latter two hole, secondary meter, which is sent, stops monitoring life
It enables to hydraulic pressure sensor, hydraulic pressure sensor stops water pressure data in acquisition hole.
Step S10223: will be from switching off the pump to hydraulic pressure number in the hole for stopping obtaining during water pressure data in acquisition pores
According to being determined as restoring water pressure data in the hole after stopping pumping.
After getting recovery water pressure data in hole by S1022 step, it is extensive water level can be obtained by following S1023 step
Data are observed again.
Step S1023: water pressure data will be restored in hole and be converted into water level recovery observation data.
After getting water level recovery observation data by S102 step, the above S103 step can be passed through and obtain water level recovery
Observation curve.
In above-mentioned steps S103, observation data are restored according to water level, fitting water level restores observation curve, can be by following
Process is completed.
Observation data are restored according to water level first and draw water level recovery curve；Then water level is fitted according to water level recovery curve
Restore observation curve.
Since the water level got restores data very big there are some errors in observation data, lead to the water of above-mentioned drafting
Bit recovery curve is unsmooth, also needs to establish corresponding water level recovery curve equation according to the water level recovery curve at this time, pass through
The water level recovery curve equation of the foundation is optimized, so as to be drawn out smoothly according to the water level recovery curve equation after optimization
Water level recovery curve, and by the smooth water level recovery curve be determined as water level restore observation curve.
In embodiments of the present invention, the water level recovery curve of drafting, and the water level that fitting obtains restore observation curve, show
Meaning property is as schemed as shown in 1D.In Fig. 1 D, the corresponding equation of water level recovery curve is h1=V (t), and it is corresponding that water level restores observation curve
Equation be h2=V (t), wherein V is hydraulic pressure, and t is recovery time.
In above-mentioned steps S104, observation curve is restored according to water level, hole wall water level is obtained, following S1041- can be passed through
S1044 step obtains, as shown in Figure 1 C.
Step S1041: observation curve is restored according to water level and establishes water level recovery curve observational equation.
Step S1042: according to water level recovery curve observational equation, it is corresponding that each coordinate points on water level recovery observation curve are calculated
Curvature.
Step S1043: the coordinate points of maximum curvature are determined from the corresponding curvature of each coordinate points.
Step S1044: the determining corresponding water level of coordinate points is determined as hole wall water level.
In embodiments of the present invention, according to water-level observation curve, hole wall water level is obtained, can also be observed by ocular estimate
Water level restores the coordinate points of maximum curvature on observation curve, and the determining corresponding water level of coordinate points is determined as hole wall water level.
After obtaining hole wall water level by the above S104, the above S105 step drilling water level drawdown value can be passed through.
In embodiments of the present invention, restore observation curve by establishing water level, most by curvature on water level recovery observation curve
The corresponding water level of big coordinate points, is determined as hole wall water level, in this way, the mistake of the hopper centre of the hole wall water level determined and definition
Poor very little, thus it is very high according to the drilling water level drawdown value accuracy that hopper centre's water level calculates, pass through the Drilling Water potential drop
Deep value calculates the error very little of hydrogeological parameter, in exploration process, is gushed according to the pit that the drilling water level drawdown value calculates
Water or inflow of water are more reasonable, it is possible to reduce pit shaft or pit occur and flooded and the probability of dead disaster.
In drill-hole pumping water level test method provided in an embodiment of the present invention, this method includes initial in acquisition drilling hole
Water level；It opens water pump and carries out single-well pumping test, obtain water level and restore observation data；Restore observation data, fitting according to water level
Water level restores observation curve；Restore observation curve according to water level, obtains hole wall water level；It calculates between initial water level and hole wall water level
Depth displacement, obtain drilling water level drawdown value.Fitting water-level observation curve is realized, the water-level observation curvature of curve is maximum
The corresponding water level of coordinate points is determined as hole wall water level, the error with hopper centre's water level of definition is reduced, so as to obtain
Accurate drawdown calculates for the water in exploration process and evaluation provides accurate parameter, avoids because of hydrogeology
Parameter error and caused by damage.
Embodiment 2
A or 2B referring to fig. 2, the embodiment of the invention provides a kind of drilling water level test device, which includes that hydraulic pressure passes
Sensor 1, secondary meter 2, data processor 3 and data cable 4；
The diving end of data cable 4 connects hydraulic pressure sensor 1, and the ground surface end of data cable 4 connects secondary meter 2；
Hydraulic pressure sensor 1, for acquiring water pressure data in initial water level and hole, and by water pressure data in initial water level and hole
Secondary meter 2 is transferred to by data cable 4；
Secondary meter 2 sends monitoring order to hydraulic pressure sensor 1 by data cable 4；Receive, store and show hydraulic pressure
Water pressure data in the initial water level of the transmission of sensor 1 and hole；
Water pressure data in hole is converted into water level and restores observation data by data processor 3；Restore observation data according to water level
Draw water level recovery curve；Water level, which is fitted, according to water level recovery curve restores observation curve；Restore observation curve according to water level to obtain
Take hole wall water level；The depth displacement between initial water level and hole wall water level is calculated, drilling water level drawdown value is obtained.
In embodiments of the present invention, above-mentioned data cable 4 is waterproof, anticorrosion, jamproof type low-voltage cable.The data line
The ground surface end of cable 4 is exposed at end above the ground, and the diving end of the data cable 4 is the end being exposed in drilling.
When acquiring water pressure data in the corresponding water pressure data of initial water level and hole, above-mentioned hydraulic pressure sensor 1 needs to place
At the drilling following pre-determined distance of water level in borehole.Hydraulic pressure sensor 1 starts to adopt according to the monitoring order that above-mentioned secondary meter 2 is sent
Collect water pressure data in hole, wherein the monitoring order includes acquisition time and frequency acquisition etc..
Above-mentioned secondary meter 2 is storage display equipment, according to the control command of user or user's test journey set in advance
Sequence sends monitoring order to hydraulic pressure sensor 1 or stops monitoring order.
Above-mentioned data processor 3 can be computer, mobile phone or the equipment for carrying out water pressure data processing.The data processor
3 can be set in the remote control center far from exploration scene, and user can export the initial of storage from above-mentioned secondary meter 2
Water pressure data in the corresponding water pressure data of water level and hole, and water pressure data in the corresponding water pressure data of the initial water level and hole is led to
Network transmission is crossed to above-mentioned data processor 3；The data processor 3 can also be arranged in exploration scene, by the communications cable with
Secondary meter 2 connects, and secondary meter 2 is by the communications cable, by the corresponding hydraulic pressure of initial water level of storage or real-time acquisition
Water pressure data is transferred to the data processor 3 in data and hole.
B referring to fig. 2, the device further include water pump 5 and metallic rod 6；
The suction hose of water pump 5 is bundled with metallic rod 6.
Data cable 4 is fixed in metallic rod 6, and hydraulic pressure sensor 1 is fixedly mounted on the diving end of metallic rod 6.
In embodiments of the present invention, above-mentioned water pump 5 can be centrifugal water pump 5.Hydraulic pressure sensor 1 and above-mentioned water pump 5
The distance of the water inlet of suction hose is not less than 10m.Above-mentioned data cable 4 is fixed in metallic rod 6, can be tried to avoid single-well pumping
During testing, data cable 4 is inhaled into the suction hose of water pump 5.
In embodiments of the present invention, above-mentioned secondary meter 2 include receiving element, memory element, control element, signal key and
Display screen；
Receiving element is connect with memory element, display screen and hydraulic pressure sensor 1 respectively, receives what hydraulic pressure sensor 1 transmitted
Water pressure data in hole, and in transmission hole water pressure data to memory element and display screen；Memory element, for hydraulic pressure number in storage hole
According to；Display screen, for water pressure data in show hole；
Control element is connect with memory element, display screen, signal key and hydraulic pressure sensor 1 respectively, receives signal key transmission
Trigger signal, and monitoring order is sent to hydraulic pressure sensor 1, or according to trigger signal, from storage member according to trigger signal
Water pressure data in hole is transferred in part, and water pressure data in hole is transferred to display screen.
Above-mentioned signal key includes clock and watch check and correction key, storage key, display key, sample frequency set key, water level conversion key sum number
According to export key.
Above-mentioned clock and watch proofread key, and for proofreading the time of above-mentioned hydraulic pressure sensor 1, user is pressed this key, and secondary meter 2 can
To send the instruction of clock and watch check and correction to hydraulic pressure sensor 1 so that hydraulic pressure sensor 1 by the watch time of itself adjust to it is secondary
2 current time of the instrument consistent time.It is proofreaded by clock and watch, it can be ensured that the data and hydraulic pressure sensor 1 that secondary meter 2 stores
The data of acquisition are synchronous, improve the accuracy of data.
Above-mentioned storage key, for storing the data of the transmission of hydraulic pressure sensor 1, user is pressed this key, and secondary meter 2 starts to protect
The data that water pressure sensor 1 transmits, press this key again, and since hydraulic pressure sensor 1 will be pressing this key to pressing this again
Data between key carry out segmentation preservation, and restart the preservation of another segment data.In embodiments of the present invention, secondary meter
2 can also carry out preservation data according to the timing node in program by pre-set program.
Above-mentioned display key, the water pressure data that hydraulic pressure sensor 1 can be acquired real-time display in the form of water level, can also show
Show a certain section of the corresponding water level of water pressure data that secondary meter 2 stores.
Above-mentioned sample frequency set key, can according to the demand of bailing test, the customized setting sample frequency of user, when with
Family sets after sample frequency and presses this key, which is sent to hydraulic pressure sensor 1, hydraulic pressure sensing by secondary meter 2
Device 1 carries out water pressure data acquisition according to the sample frequency.In embodiments of the present invention, secondary meter 2 can also be by setting in advance
The program set carries out water pressure data acquisition according to the frequency set in program.
Above-mentioned water level conversion key, for hydraulic pressure value to be scaled corresponding water level value.In embodiments of the present invention, work as user
After pressing this key, the water pressure data that hydraulic pressure sensor 1 transmits can be converted into waterlevel data and shown by secondary meter 2, be used
Family can according to need setting or save the data of hydraulic pressure form or the data of water level form.
Above-mentioned data export key, for exporting the water pressure data or waterlevel data of the storage of secondary meter 2.
In embodiments of the present invention, above-mentioned secondary meter 2 further includes the test such as power switch key, test starting/stop key
Equipment often uses key.
Above-mentioned secondary meter 2 further includes USB interface and network interface；
USB interface restores data for exporting initial water level and drilling water level in borehole in the drilling hole acquired；
Network interface, for connecting secondary meter 2 and data processor 3 by wireline cable.
In embodiments of the present invention, above-mentioned network interface can be divided into wired network interface and radio network interface, above-mentioned
Secondary meter 2 can connect the local area network or internet near upper by the network interface, will be deposited by local area network or internet
The water pressure data or waterlevel data of storage are transferred to above-mentioned data processor 3.
In drilling water level test device provided in an embodiment of the present invention, the device include hydraulic pressure sensor, secondary meter,
Data processor and data cable；The diving end of data cable connects hydraulic pressure sensor, and the ground surface end connection of data cable is secondary
Instrument；Hydraulic pressure sensor passes through for acquiring water pressure data in initial water level and hole, and by water pressure data in initial water level and hole
Data cable is transferred to secondary meter；Secondary meter sends monitoring order to hydraulic pressure sensor by data cable；It receives, deposit
Water pressure data in the initial water level and hole of storage and display hydraulic pressure sensor transmission；Data processor converts water pressure data in hole
Restore observation data at water level；Restore observation data according to water level and draws water level recovery curve；It is fitted according to water level recovery curve
Water level restores observation curve；Restore observation curve according to water level and obtains hole wall water level；It calculates between initial water level and hole wall water level
Depth displacement, obtain drilling water level drawdown value.It realizes fitting water level and restores observation curve, it is bent which is restored observation curve
The corresponding water level of the maximum coordinate points of rate is determined as hole wall water level, reduces the error with hopper centre's water level of definition, thus
Available accurate drawdown, in exploration process water calculate and evaluation provide accurate parameter, avoid because
Hydrogeological parameter mistake and caused by damage.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. drill-hole pumping water level test method, which is characterized in that the described method includes:
Obtain the initial water level in drilling hole；
It opens water pump and carries out single-well pumping test, obtain water level and restore observation data；
Restore observation data according to the water level, fitting water level restores observation curve；
Restore observation curve according to the water level, obtains hole wall water level；
The depth displacement between the initial water level and the hole wall water level is calculated, drilling water level drawdown value is obtained.
2. drill-hole pumping water level test method according to claim 1, which is characterized in that the unlatching water pump carries out single hole
Bailing test obtains water level and restores observation data, comprising:
It opens water pump and carries out test of drawing water；
It after the pumping operation for carrying out preset time period, switches off the pump, is obtained by hydraulic pressure sensor in the hole after stopping pumping
Restore water pressure data；
It will restore water pressure data in the hole and be converted into water level recovery observation data.
3. drill-hole pumping water level test method according to claim 1, which is characterized in that described to be restored according to the water level
Data are observed, fitting water level restores observation curve, comprising:
Restore observation data according to the water level and draws water level recovery curve；
Water level, which is fitted, according to the water level recovery curve restores observation curve.
4. drill-hole pumping water level test method according to claim 1, which is characterized in that described to be restored according to the water level
Observation curve obtains hole wall water level, comprising:
Restore observation curve according to the water level and establishes water level recovery curve observational equation；
According to the water level recovery curve observational equation, calculates the water level and restore the corresponding song of each coordinate points on observation curve
Rate；
The coordinate points of maximum curvature are determined from the corresponding curvature of each coordinate points；
The corresponding water level of the coordinate points of the determination is determined as hole wall water level.
5. drill-hole pumping water level test method according to claim 2, which is characterized in that described to carry out preset time period
Pumping operation after, switch off the pump, by the hydraulic pressure sensor obtain stop pumping after hole in restore water pressure data, wrap
It includes:
After the pumping operation for carrying out preset time period, switches off the pump, hydraulic pressure in acquisition pores is continued by the hydraulic pressure sensor
Data；
Real-time monitoring is carried out to water pressure data in the hole of lasting acquisition, when water pressure data meets in advance in the hole for monitoring to continuously acquire
If when stable condition, stopping water pressure data in acquisition pores；
It will be determined as stopping taking out to water pressure data in the hole for stopping obtaining during water pressure data in acquisition pores from switching off the pump
Restore water pressure data in hole after water.
6. drilling water level test device, which is characterized in that described device includes hydraulic pressure sensor, secondary meter, data processor
And data cable；
The diving end of the data cable connects the hydraulic pressure sensor, and the ground surface end of the data cable connects the secondary instrument
Table；
The hydraulic pressure sensor, for acquiring water pressure data in initial water level and hole, and by hydraulic pressure in the initial water level and hole
Data are transferred to the secondary meter by the data cable；
The secondary meter sends monitoring order to the hydraulic pressure sensor by the data cable；It receives, store and shows
Water pressure data in the initial water level of the hydraulic pressure sensor transmission and hole；
Water pressure data in the hole is converted into water level and restores observation data by the data processor；Restored according to the water level
It observes data and draws water level recovery curve；Water level, which is fitted, according to the water level recovery curve restores observation curve；According to the water
Bit recovery observation curve obtains hole wall water level；The depth displacement between initial water level and the hole wall water level is calculated, Drilling Water is obtained
Potential drop is worth deeply.
7. drilling water level test device according to claim 6, which is characterized in that described device further includes water pump and metal
Bar；
The suction hose of the water pump is bundled with the metallic rod；
The data cable is fixed in the metallic rod, and the hydraulic pressure sensor is fixedly mounted on the diving of the metallic rod
End.
8. drilling water level test device according to claim 6, which is characterized in that the secondary meter includes receiving member
Part, memory element, control element, signal key and display screen；
The receiving element is connect with the memory element, the display screen and the hydraulic pressure sensor respectively, receives the water
Water pressure data in the hole of pressure sensor transmission, and water pressure data is transmitted in the hole to the memory element and the display
Screen；The memory element, for storing water pressure data in the hole；The display screen, for showing water pressure data in the hole；
The control element is connect with the memory element, the display screen, the signal key and the hydraulic pressure sensor respectively,
The trigger signal of the signal key transmission is received, and monitoring is sent according to the trigger signal and is ordered to the hydraulic pressure sensor,
Or according to the trigger signal, from transferring water pressure data in the hole in the memory element, and by hydraulic pressure number in the hole
According to being transferred to the display screen.
9. drilling water level test device according to claim 8, which is characterized in that the signal key includes clock and watch check and correction
Key, storage key, display key, sample frequency set key, water level conversion key and data export key.
10. drilling water level test device according to claim 8, which is characterized in that the secondary meter further includes that USB connects
Mouth and network interface；
The USB interface restores data for exporting initial water level and drilling water level in borehole in the drilling hole acquired；
The network interface, for connecting the secondary meter and the data processor by wireline cable.
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