CN208459607U - A kind of micro-earthquake monitoring system - Google Patents
A kind of micro-earthquake monitoring system Download PDFInfo
- Publication number
- CN208459607U CN208459607U CN201820784532.2U CN201820784532U CN208459607U CN 208459607 U CN208459607 U CN 208459607U CN 201820784532 U CN201820784532 U CN 201820784532U CN 208459607 U CN208459607 U CN 208459607U
- Authority
- CN
- China
- Prior art keywords
- wave detector
- airbag
- micro
- monitoring system
- earthquake monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model relates to microseismic field more particularly to a kind of micro-earthquake monitoring systems.The micro-earthquake monitoring system includes air pump, airbag, analog-digital converter, processor and wave detector, the wave detector is mounted in wave detector shell, the airbag is correspondingly arranged with the wave detector shell, multiple pressure sensors are installed on the wave detector shell, each pressure sensor is correspondingly arranged with the airbag, each pressure sensor is electrically connected with the processor, the wave detector, the processor is electrically connected with the analog-digital converter, the airbag is equipped with gas nozzle, the gas nozzle and the air pump pass through pipeline connection, the pipeline is equipped with intake valve, the airbag is equipped with relief valve.The utility model detects pressure suffered by the wave detector shell by the way that multiple pressure sensors are arranged, and can be improved the accuracy of the wave detector acquisition microseism active signal, and improves the accuracy of micro-seismic monitoring.
Description
Technical field
The utility model relates to microseismic field more particularly to a kind of micro-earthquake monitoring systems.
Background technique
Microseism refers to the slight earthquake signal of formation rock rupture and release, and energy rank is generally in Richter scale -2 to+2
Grade；Microseismic, which refers to through these slight earthquake signals caused by observing, analyze in production activity, monitors life
Produce the geophysical techniques of movable influence, effect and underground state.In hydraulic fracturing process, formation rock is ruptured to be formed and be split
When seam, faint seismic wave can be discharged, underground or the several highly sensitive geophone sum numbers of ground configuration near monitoring well
According to acquisition equipment, so that it may receive these microseism signals.Application of the microseismic in oil gas field production development
By development in more than 20 years, has become oil/gas well hydraulically created fracture and evaluate one of most efficient method.
Geophone is a kind of sensor that electric signal is converted vibrations into based on electromagnetic induction principle, is a kind of passive
Device.Due to geophone is at low cost, using simplicity, largely used in seismic prospecting.In microseismic, one
As be all by being put into one or a set of wave detector under monitoring well (or fractured well), in fracturing process fracture open formed
Micro-seismic event is received, and ground is transferred data to, and the focus for then being handled data to determine microseism is in sky
Between distribution, with hypocenter distributing figure can explain pressure break seam is high, seam is long and orientation.
Number of patent application provides " a kind of borehole geophone string pushing device " for 200420033011.1 patent, this is specially
It in benefit, is inflated using air pump into canvas hose, so that canvas hose is expanded into a soft cylindrical body, to reach
Purpose string being pushed against on the borehole wall.Although the patent realizes the purpose being pushed against string on the borehole wall, but
It is that due to unsmooth, each wave detector discontinuity of the borehole wall etc., which is not ensured that each wave detector
It is accurately pushed against on the borehole wall, the microseism active signal received using the micro-earthquake monitoring system of this pushing device is not smart
Really, to influence the effect analyzed fracturing fracture.
Therefore, it is badly in need of a kind of micro-earthquake monitoring system that each wave detector all can be accurately pushed against on the borehole wall.
Utility model content
In view of the above problems, the utility model is proposed to overcome the above problem in order to provide one kind or at least partly solve
The certainly micro-earthquake monitoring system of the above problem.
The utility model provides a kind of micro-earthquake monitoring system, including air pump, airbag, analog-digital converter, processor and
Wave detector, the wave detector are mounted in wave detector shell, and the airbag is correspondingly arranged with the wave detector shell, the detection
Multiple pressure sensors are installed, each pressure sensor is correspondingly arranged with the airbag, each pressure on device shell
Sensor is electrically connected with the processor, and the wave detector, the processor are electrically connected with the analog-digital converter, described
Airbag is equipped with gas nozzle, and by pipeline connection, the pipeline is equipped with intake valve for the gas nozzle and the air pump, on the airbag
Equipped with relief valve.
Further, the air pump is electrically connected with the processor.
Further, at least three pressure sensor is installed on the wave detector shell.
Further, the wave detector is electrically connected with the analog-digital converter by fiber optic cables.
Further, the bottom end of the airbag and the bottom end of the wave detector shell are mounted on link, on the link
It is connected with clump weight.
Further, the relief valve be electromagnetic relief valve, the intake valve be solenoid valve, the relief valve and it is described into
Air valve is electrically connected with the processor.
Further, the airbag is basalt fibre material.
Further, the link and the clump weight are ceramic material.
Further, the clump weight is cone.
Further, the airbag is cylindrical body full of the shape after gas.
Micro-earthquake monitoring system provided by the utility model, has the advantage that compared with prior art
(1) pressure suffered by the wave detector shell is detected by the way that multiple pressure sensors are arranged, thus described in judgement
Whether wave detector is pushed against on the borehole wall completely, can be improved the accuracy of the wave detector acquisition microseism active signal, with
And improve the accuracy of micro-seismic monitoring.
(2) air pump is connected to the processor, in order to which the processor controls unlatching and the pass of the air pump
It closes, reduces manual labor amount, improve monitoring efficiency.
(3) at least three pressure sensor is set on the wave detector shell, distortion phenomenon can be prevented, it is comprehensive, more
Pressure suffered by the analysis wave detector shell of angle, can more accurately judge whether the wave detector has pasted completely
It leans against on the borehole wall, improves the accuracy that the wave detector receives microseism active signal.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means can be implemented in accordance with the contents of the specification, and in order to allow above and other purpose of the utility model, feature and
Advantage can be more clearly understood, special below to lift specific embodiment of the present utility model.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of micro-earthquake monitoring system in the utility model embodiment one；
Fig. 2 is the cross-sectional view of wave detector shell in the utility model embodiment one；
Fig. 3 is the structural schematic diagram of micro-earthquake monitoring system in the utility model embodiment two；
Fig. 4 is the circuit connection block diagram of micro-earthquake monitoring system in the utility model embodiment two.
Description of symbols: air pump 11, airbag 12, gas nozzle 121, intake valve 122, relief valve 123, wave detector 13, detection
Device shell 131, inner waterproofing protective layer 132, heat-barrier coating 133, outer waterproof protective layer 134, processor 14, pressure sensor
15, link 16, clump weight 17, monitoring well 18, analog-digital converter 19, fiber optic cables 20, pipeline 21.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The utility model embodiment provides a kind of micro-earthquake monitoring system.
Embodiment one
Fig. 1 is the structural schematic diagram of micro-earthquake monitoring system in the present embodiment.Equal reference is described below in embodiment one
Fig. 1.Such as Fig. 1, a kind of micro-earthquake monitoring system of the present embodiment, including air pump 11, airbag 12, analog-digital converter 19, processor
14 and wave detector 13, the wave detector be mounted in wave detector shell 131, if Fig. 2 is that wave detector shell cuts open in the present embodiment
View, the wave detector are mounted on the wave detector enclosure interior, and the wave detector shell sets gradually inner waterproofing from inside to outside
Protective layer 132, heat-barrier coating 133, outer waterproof protective layer 134, setting multi-protective layer can be avoided due under monitoring well 18
The complex environments such as high temperature, corrosion the wave detector is caused to damage, improve the continuity of micro-seismic monitoring work and reliable
Property.
The airbag is correspondingly arranged with the wave detector shell, is equipped with multiple pressure sensors on the wave detector shell
15, each pressure sensor is correspondingly arranged with the airbag, and each pressure sensor is connected to the processor, this
In embodiment, equidistant on the wave detector shell to be equipped at least three pressure sensor, the processor is according to multiple described
The average value of pressure sensor can prevent distortion phenomenon, comprehensive, multi-angle to analyze suffered by the wave detector shell
Pressure, can more accurately judge whether the wave detector has sticked on the borehole wall completely, and it is micro- to improve the wave detector reception
The accuracy of seismic activity signal.When it is implemented, also can according to need the number that the pressure sensor is arranged.
The wave detector, the processor are electrically connected with the analog-digital converter, the air pump and processor electricity
Connection.The air pump is electrically connected with the processor, the processor can control the opening and closing of the air pump, reduce
Manual labor amount, improves monitoring efficiency.The wave detector is electrically connected with the analog-digital converter by fiber optic cables 20, light
The transmission speed and transmission rate of fiber-optic cable are higher.
The airbag is equipped with gas nozzle 121, and the gas nozzle is connected to the air pump by pipeline 21, and the pipeline is equipped with
Intake valve 122, the airbag are equipped with relief valve 123.The relief valve is electromagnetic relief valve, and the intake valve is solenoid valve,
The relief valve and the intake valve are electrically connected with the processor, and the processor can control the relief valve and described
The switch of intake valve, does not need manual operation, can save the time, has the advantages that improve monitoring efficiency.The air pump can be with
It is inflator pump, is also possible to other devices that can complete aerification function.
The bottom end of the airbag and the bottom end of the wave detector shell are mounted on link 16, are connected with and match on the link
Pouring weight 17, the link and the clump weight are ceramic material.Due to ceramic high-temperature resistant, and there is constant weight therefore to adopt
It is more preferable with the link and the clump weight using effect of ceramic material.The clump weight is cone, it is ensured that being capable of band
It moves the wave detector and the airbag enters in well.
The airbag is the flexible gas-filled bag of basalt fibre material.Since basalt fibre material has high temperature resistant, resistance to
The advantages of corrosion, therefore the airbag is basalt fibre material, can improve the service life of the airbag.Basalt fibre is
A kind of novel inorganic environment-friendly and green high performance fibre material, it is by silica, aluminium oxide, calcium oxide, magnesia, iron oxide
The basalt building stones formed with oxides such as titanium dioxide are after high-temperature fusion, by made of bushing Defect.Basalt
Not only intensity is high for continuous fiber, but also has a variety of excellent properties such as electrical isolation, corrosion-resistant, high temperature resistant.In addition, basalt is fine
The production technology of dimension determines that the waste of generation is few, and environmental pollution is small, and can directly degrade in the environment after product abandonment,
It without any harm, thus is the qualified green of one kind, environment-friendly materials.Using the airbag made of basalt fibre material
Also have the advantages that above.When it is implemented, the airbag can also be manufactured using other flexible materials, intermediate empty and can be filled
The flexible tubular band of gas, such as canvas hose.The airbag is cylindrical body full of the shape after gas, it is ensured that comprehensive can be squeezed
Press the wave detector shell, and uniform force.
The micro-earthquake monitoring system of the present embodiment is detected suffered by the wave detector shell by the way that multiple pressure sensors are arranged
The pressure arrived can be improved the wave detector acquisition micro-ly to judge whether the wave detector is pushed against on the borehole wall completely
The accuracy of active signal is shaken, and improves the accuracy of micro-seismic monitoring.
Embodiment two
The present embodiment is the improvement carried out on the basis of embodiment one.One disclosure of that of embodiment is also the present embodiment
Disclosure of that, this embodiment is not repeated.
Fig. 3 is the structural schematic diagram of micro-earthquake monitoring system in the present embodiment.Such as Fig. 3, the micro-seismic monitoring of the present embodiment
System, using the string as made of three wave detector series connection, each wave detector is installed in the wave detector shell
In body, each wave detector shell is correspondingly arranged the airbag and three pressure sensors, the pressure sensing
Device is located at three positions of upper, middle and lower of the wave detector shell, and is correspondingly arranged with the airbag, guarantees to collect
When the wave detector shell is squeezed by the airbag, the pressure value that three positions of upper, middle and lower are subject to respectively, and transfer back to the place
Manage device.Each airbag is connected by the gas nozzle, and the airbag of the top is connect with the air pump, the airbag with it is described
The relief valve and the intake valve are provided on the pipeline of air pump connection.
Fig. 4 is the circuit connection block diagram of micro-earthquake monitoring system in the utility model embodiment.Such as Fig. 4, the present embodiment
Micro-earthquake monitoring system at work, first by the institute of the clump weight and wave detector shell lower end, the airbag lower end
It states link to be connected, then string made of wave detector series connection and the airbag is put into togerther in monitoring well, it is described
String and the airbag are brought into underground under the gravity of the clump weight, reach with it is expected that fracturing fracture it is identical or attached
After nearly depth, the processor control starts the air pump and the intake valve, and the gas that the air pump generates is along the air inlet
Valve and each gas nozzle enter in the airbag, and with the filling of gas, each airbag is expanded, will be each described
Wave detector shell to borehole wall backup, meanwhile, each wave detector is also gradually tightly attached to the borehole wall；The pressure sensor simultaneously also by
To extruding, pressure value is transferred to the processor in real time, by the processor to pressure value on each wave detector shell
Average value is calculated, and analyzes whether each wave detector has reached the requirement for being tightly attached to the borehole wall, if reaching requirement, the place
It manages device control and closes the air pump and the intake valve, when pressure break generates microseism, each wave detector carries out microseism activity
The acquisition of signal converts signal by the analog-digital converter, is transferred in the processor and analyzes data；
When micro-seismic monitoring work is completed or needs to change height, the relief valve is opened in the processor control, by the airbag
In gas emit, the string of underground is dropped into new depth and acquires seismic wave signal again, or proposes well
Mouth, which is put into new well, implements new construction operation.
In embodiment one and embodiment two, the model WVF230C-12V/R of the electromagnetic relief valve, the solenoid valve
Model 0927200, the model HT68F50-SSOP28 of the processor, the model AD7705 of the analog-digital converter,
The model CDJ-15 of the wave detector, the model YYJ/GY1-1201 of the pressure sensor.The utility model is provided
Device model, be only used for the support to patent claims and specification, be not intended to limit each device of the utility model
Model protection scope, the device for being able to achieve said function also belong to the protection scope of the utility model.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of micro-earthquake monitoring system, which is characterized in that including air pump, airbag, analog-digital converter, processor and wave detector,
The wave detector is mounted in wave detector shell, and the airbag is correspondingly arranged with the wave detector shell, the wave detector shell
On multiple pressure sensors are installed, each pressure sensor is correspondingly arranged with the airbag, each pressure sensor
It is electrically connected with the processor, the wave detector, the processor are electrically connected with the analog-digital converter, on the airbag
Equipped with gas nozzle, by pipeline connection, the pipeline is equipped with intake valve for the gas nozzle and the air pump, and the airbag is equipped with and lets out
Pressure valve.
2. micro-earthquake monitoring system according to claim 1, which is characterized in that the air pump is electrically connected with the processor
It connects.
3. micro-earthquake monitoring system according to claim 2, which is characterized in that be equipped at least on the wave detector shell
3 pressure sensors.
4. micro-earthquake monitoring system according to claim 3, which is characterized in that the wave detector and the analog-digital converter
It is electrically connected by fiber optic cables.
5. micro-earthquake monitoring system according to claim 4, which is characterized in that the bottom end of the airbag and the wave detector
The bottom end of shell is mounted on link, is connected with clump weight on the link.
6. micro-earthquake monitoring system according to claim 5, which is characterized in that the relief valve is electromagnetic relief valve, institute
Stating intake valve is solenoid valve, and the relief valve and the intake valve are electrically connected with the processor.
7. micro-earthquake monitoring system according to claim 6, which is characterized in that the airbag is basalt fibre material.
8. micro-earthquake monitoring system according to claim 7, which is characterized in that the link and the clump weight are pottery
Porcelain material.
9. micro-earthquake monitoring system according to claim 8, which is characterized in that the clump weight is cone.
10. micro-earthquake monitoring system according to claim 9, which is characterized in that the airbag is full of the shape after gas
For cylindrical body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784532.2U CN208459607U (en) | 2018-05-24 | 2018-05-24 | A kind of micro-earthquake monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784532.2U CN208459607U (en) | 2018-05-24 | 2018-05-24 | A kind of micro-earthquake monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208459607U true CN208459607U (en) | 2019-02-01 |
Family
ID=65150196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820784532.2U Expired - Fee Related CN208459607U (en) | 2018-05-24 | 2018-05-24 | A kind of micro-earthquake monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208459607U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244349A (en) * | 2019-07-01 | 2019-09-17 | 中国铁建重工集团股份有限公司 | In-hole detector |
| CN115373019A (en) * | 2022-07-19 | 2022-11-22 | 中国科学院地质与地球物理研究所 | High-sensitivity wide-band full-dip geophone |
| CN118191907A (en) * | 2024-04-12 | 2024-06-14 | 中国石油大学(华东) | Detector coupling device for microseism monitoring of gas storage monitoring well |
-
2018
- 2018-05-24 CN CN201820784532.2U patent/CN208459607U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244349A (en) * | 2019-07-01 | 2019-09-17 | 中国铁建重工集团股份有限公司 | In-hole detector |
| CN110244349B (en) * | 2019-07-01 | 2021-01-26 | 中国铁建重工集团股份有限公司 | In-hole detector |
| CN115373019A (en) * | 2022-07-19 | 2022-11-22 | 中国科学院地质与地球物理研究所 | High-sensitivity wide-band full-dip geophone |
| CN118191907A (en) * | 2024-04-12 | 2024-06-14 | 中国石油大学(华东) | Detector coupling device for microseism monitoring of gas storage monitoring well |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208459607U (en) | A kind of micro-earthquake monitoring system | |
| CN106053610B (en) | The integrated sensory perceptual system of sensor fibre sound emission of monitoring of structures body safety | |
| CN106066388B (en) | Autonomous type slope monitoring system | |
| CN101696639A (en) | Fiber mine water inrush precursor information monitor | |
| CN104614249B (en) | Pressure chamber testing device and testing method for monitoring rock breaking multivariate precursory information | |
| CN201014212Y (en) | Pipeline leakage monitoring and safety early warning test system | |
| CN209198666U (en) | Seismic receiving device in the hole of high coupling is recycled in quick installation | |
| CN103742128B (en) | A kind of system for testing pressure of capillary tube of coal bed gas | |
| CN205958381U (en) | Tubular product high temperature external pressure bending test device | |
| CN104596581A (en) | Intelligent suspension rod flow measuring device | |
| CN104005753B (en) | Monitoring well for monitoring water and air pressure of karst collapse and well completion process thereof | |
| CN107448191A (en) | A kind of temperature and pressure synchronous monitoring system of coal bed gas well | |
| CN109444952A (en) | Seismic receiving device and detection method in the hole of high coupling are recycled in quick installation | |
| CN110318688A (en) | A kind of cementing quality monitoring pipe nipple apparatus and method of data capture | |
| CN103728154B (en) | Pressure differential still water driven deep sea in-situ water-sample collection device and control method | |
| CN211262122U (en) | Tailing dam infiltration line height monitoring device | |
| CN112309088A (en) | Device for monitoring and early warning karst collapse by utilizing soil cave gas and working method | |
| CN208367243U (en) | Life-information survey meter | |
| CN208459609U (en) | A kind of micro-earthquake monitoring system | |
| CN205194074U (en) | Bury formula car bit detector | |
| CN109488380B (en) | Pipe wave monitoring method for local danger elimination effect of underground engineering dynamic disaster | |
| CN201166710Y (en) | Well-logging radiodetector apparatus | |
| CN210950814U (en) | Online monitoring and networking alarm device for petroleum and natural gas pipeline leakage | |
| CN208060744U (en) | One kind being used for underwater dam body hidden troubles removing data acquisition device | |
| CN206681724U (en) | Integrated oil well performance liquid surface measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20190524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |