CN208459608U - A kind of micro-earthquake monitoring system - Google Patents
A kind of micro-earthquake monitoring system Download PDFInfo
- Publication number
- CN208459608U CN208459608U CN201820789306.3U CN201820789306U CN208459608U CN 208459608 U CN208459608 U CN 208459608U CN 201820789306 U CN201820789306 U CN 201820789306U CN 208459608 U CN208459608 U CN 208459608U
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- China
- Prior art keywords
- protection cylinder
- micro
- monitoring system
- wave detector
- earthquake monitoring
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Abstract
The utility model relates to micro-seismic monitoring fields; more particularly to a kind of micro-earthquake monitoring system; including the position sensor, string, multiple lifting controllers for being in concatenated protection cylinder and being mounted on lifting traction mechanism being embedded on the inner wall of monitoring well, each protection cylinder is sheathed on respectively outside each wave detector on string;It further include electric capstan;The position sensor and the electric capstan are electrically connected to the lifting controller.The micro-earthquake monitoring system of the utility model, including the position sensor enable the protection cylinder and the wave detector to rest on fracturing section; improve the measurement accuracy of wave detector; further include the protection cylinder, the wave detector is prevented to be damaged, further increases the measurement accuracy of wave detector.
Description
Technical field
The utility model relates to micro-seismic monitoring field more particularly to a kind of micro-earthquake monitoring systems.
Background technique
Microseismic is by observing, analyzing by leading to rock rupture when the petroleum works operation such as pressure break, water filling
Or microseism signal caused by dislocation, monitor the geophysical techniques of subsurface rock rupture, fracture spaces spread.Microseism prison
Survey technology is capable of length, height, width, orientation, inclination angle, the reservoir reconstruction volume etc. of real-time monitoring fracturing fracture, is to compare at present
Compared with a kind of effective, the highest induced fracture monitoring technology of reliability.The technology has been obtained widely in external pressing crack construction
Use, now at home also gradually attempt.
Currently used micro-seismic monitoring mode is underground micro-seismic monitoring: by being put into one under offset well (or fractured well)
Group wave detector, the micro-seismic event formed to fracture open in fracturing process receive, and transfer data to ground, then right
Data are handled distribution of the focus in space to determine microseism, with hypocenter distributing figure can explain pressure break seam it is high,
Seam length and orientation.Monitoring mode monitoring effect is especially good in more well combination wells, such as 3 groups of model phases of tripping in 3 mouthfuls of monitoring wells
Same wave detector, every group 12 grades, 3 groups of wave detectors are connected to 3 distinct interfaces of same acquisition system, acquisition system is certainly by 3 optical cables
Band GPS synchronizing software, synchronizes 3 optical cable clocks, same acquisition system can remember the 3 same file formats of well data
Record.
However, underground monitoring field operation requires the stop place of wave detector: inspection well and monitoring well distance principle
On do not exceed 500m, precisely underground microseism acquisition receive wave detector installation site and fracturing section horizontal distance cannot
More than 500m, and substantially in sustained height, such as distance is no more than 100m up and down.
In addition, wave detector transfer to monitoring well and from monitoring well out during, multiple strings are associated in optical cable
On, it shakes seriously, is easier to bump against on barrier so as to cause wave detector, so that wave detector is damaged, will lead to detection
Device monitors inaccurate even wave detector and cannot use.
Therefore, it is necessary to a kind of micro-earthquake monitoring systems.
Utility model content
The purpose of the utility model is to provide a kind of micro-earthquake monitoring systems, it can be ensured that the protection cylinder rests on pressure break
Section and prevent the wave detector to be damaged, improve the measurement accuracy of wave detector.
The utility model provides a kind of micro-earthquake monitoring system, including the position sensing being embedded on the inner wall of monitoring well
Device, string, multiple lifting controllers for being in concatenated protection cylinder and being mounted on lifting traction mechanism, each protection
Cylinder is sheathed on respectively outside each wave detector on string;It further include electric capstan, which is connected by drawing cable
It connects on the protection cylinder for being located at the top;Multiple walking mechanisms are mounted on the outer wall of each protection cylinder;It is each described
It protects and is laid with anticollision buffer layer on the inner wall of cylinder;The position sensor and the electric capstan are electrically connected to the liter
Drop controller.
Further, the micro-earthquake monitoring system, further includes: be mounted on each wave detector of the string
First Speed sensor and be mounted on it is each it is described protection cylinder on second speed sensor, each First Speed sensor and
Each second speed sensor is electrically connected to the lifting controller.
Further, it is spaced and is enclosed equipped with multiple position sensings on the inner wall same level direction of the monitoring well
Device.
Further, multiple First Speed sensors are installed on each wave detector.
Further, multiple second speed sensors are installed on each protection cylinder.
Further, multiple electric capstans are uniformly distributed along monitoring well head, are arranged on each electric capstan
The drawing cable;Each drawing cable is correspondingly connected on the barrel of the protection cylinder for being located at the top, and multiple
The drawing cable is uniformly distributed connection along the upper end nozzle week edge of the protection cylinder.
Further, the walking mechanism includes the support limit bar being connected on the protection drum outer wall, is sheathed on this
Buffer spring outside support limit bar;Described buffer spring one end is connect with the protection drum outer wall, and the other end is connected with installation
Plate is equipped with idler wheel on the mounting plate, and buffer space is equipped between the end and the mounting plate of the support limit bar.
Further, the protection cylinder material uses zn-ni alloy deposits steel.
Further, the drawing cable is wirerope.
Further, the anticollision buffer layer includes rubber layer and the adhesive layer that is layed in the rubber layer, the rubber
Glue-line is Nian Jie with the protection inner wall of cylinder by the adhesive layer.
The utility model has the following beneficial effects:
1. the micro-earthquake monitoring system of the utility model including the position sensor being mounted in monitoring well and is mounted on
The lifting controller on traction mechanism is gone up and down, when the protection cylinder reaches the position of the position sensor, the position is passed
Sensor sends arriving signal to the lifting controller, and the lifting controller sends stop signal to the electric capstan, makes
Fracturing section can be rested on by obtaining the protection cylinder, thus, the wave detector can rest on fracturing section, improve the measurement of wave detector
Precision.
2. the micro-earthquake monitoring system of the utility model, including be mounted on each wave detector of the string
One velocity sensor and the second speed sensor being mounted on each protection cylinder, each First Speed sensor and each
The second speed sensor is electrically connected to the lifting controller, First Speed described in the lifting controller real-time reception
First Speed data-signal and second speed data-signal that sensor and the second speed sensor are sent respectively simultaneously carry out
Comparison sends revolving speed adjustment signal to the electric capstan in First Speed data and inconsistent second speed data, so that
The protection cylinder is consistent with the wave detector speed.
3. multiple walking mechanisms are mounted on the outer wall of each protection cylinder of the utility model, so that the protection cylinder
Transferred to together with wave detector monitoring well and from monitoring well out during it is more smooth.
4. the lifting traction mechanism of the utility model include along the equally distributed multiple electric capstans of well head, it is each described
The drawing cable is arranged on electric capstan, the drawing cable is distributed along the protection drum outer wall even circumferential, so that
The tractive force of the protection cylinder is uniformly distributed, the traction force on each drawing cable is identical, so that the liter of the protection cylinder
Drop process is very stable.
Detailed description of the invention
Fig. 1 is the main view of the micro-earthquake monitoring system of the utility model;
Fig. 2 is the left view of the micro-earthquake monitoring system of the utility model;
Fig. 3 is the main view (cross-sectional view) of the protection cylinder of the utility model;
Fig. 4 is the schematic diagram (cross-sectional view) of the wave detector and protection cylinder of the utility model in monitoring well;
Fig. 5 is the circuit diagram of the micro-earthquake monitoring system of the utility model.
Label in attached drawing are as follows: protection cylinder -1, capstan winch ontology -2, capstan winch support rod -3, drawing cable -4, capstan winch transmission
Axis -5, monitoring well -6, motor -7, motor support frame -8, wave detector cable -9, wave detector -10, idler wheel -11, rolling wheel support side
Plate -12, anticollision buffer layer -14, idler wheel transmission shaft -15, support limit bar -16, buffer spring -17, delays protection cylinder ontology -13
Punching interval -18, mounting plate -19, position sensor -20, second speed sensor -21, First Speed sensor -22, lifting control
Device -23 processed.
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.
Referring to Fig. 1, micro-earthquake monitoring system provided by the utility model, the position on the inner wall including being embedded in monitoring well 6
Set sensor 20, string, multiple lifting controllers for being in concatenated protection cylinder 1 and being mounted on lifting traction mechanism
23, each protection cylinder is sheathed on respectively outside each wave detector on string;It further include electric capstan, the electric capstan is logical
Drawing cable 4 is crossed to be connected on the protection cylinder of the top;Multiple rows are mounted on the outer wall of each protection cylinder
Walk mechanism;Anticollision buffer layer 14 is laid on the inner wall of each protection cylinder;The position sensor and lifting traction
Mechanism is electrically connected to the lifting controller.The micro-earthquake monitoring system of the utility model, including being mounted in monitoring well
Position sensor and the lifting controller being mounted on lifting traction mechanism reach the position sensor in the protection cylinder
Position when, the position sensor sends arriving signal to the lifting controller, and the lifting controller is to described electronic
Capstan winch sends stop signal, and the protection cylinder is enabled to rest on fracturing section, thus, the wave detector can rest on pressure break
Section, improves the measurement accuracy of wave detector.Multiple walking mechanisms are mounted on the outer wall of each protection cylinder of the utility model,
So that the protection cylinder transferred to together with wave detector monitoring well and from monitoring well out during it is more smooth.
Referring to fig. 2, the electric capstan includes capstan winch ontology 2, and capstan winch transmission shaft 5 is used to support the capstan winch transmission shaft
The capstan winch support rod 3 of one end, the capstan winch transmission shaft other end is connect with motor 7, for carrying the motor support of the motor
Frame 8, so that the capstan winch transmission shaft passes through the capstan winch ontology and the motor.The model YCT-112-4A of the motor.
Referring to Fig. 3, the walking mechanism includes the support limit bar 16 being connected on the protection drum outer wall, is sheathed on this
Buffer spring 17 outside support limit bar;Described buffer spring one end is connect with the protection drum outer wall, and the other end is connected with peace
Loading board 19 is equipped with the rolling wheel support side plate 12 being arranged in pairs on the mounting plate, is provided between the two rolling wheel support side plates
Idler wheel transmission shaft 15 is equipped with idler wheel 11, the end of the support limit bar and the mounting plate between the idler wheel transmission shaft
Between be equipped with buffer space 18.The rotation direction of the idler wheel and the short transverse of the protection cylinder are tangent.In the utility model
The walking mechanism includes the support limit bar and the buffer spring that is sheathed on outside the support limit bar, on the one hand, described slow
It, can be by compressing the buffer spring when rushing spring the idler wheel being made to encounter barrier in rolling process in the monitoring well
The idler wheel is set to slip over barrier, on the other hand, the support limit bar is used to support the buffer spring, in order to avoid the buffering
Camber of spring.
Referring to Fig. 3 and Fig. 4, the protection cylinder includes protection cylinder staving 13 and the anticollision buffer layer.The anticollision buffering
Layer includes rubber layer and the adhesive layer being layed in the rubber layer, and the rubber layer passes through the adhesive layer and the protection cylinder
Inner wall bonding.Optionally, the anticollision buffer layer includes fibrous layer and the adhesive layer that is layed on the fibrous layer, the fibre
It is Nian Jie with the protection inner wall of cylinder by the adhesive layer to tie up layer.The protection cylinder material uses zn-ni alloy deposits steel,
Anticorrosive property is strong.Referring to fig. 4, the internal diameter of the protection cylinder is bigger than the outer diameter of the wave detector, and the outer diameter of the protection cylinder is than prison
It logs well 6 small.
Referring to Fig. 1 and Fig. 4, the micro-earthquake monitoring system, further includes: be mounted on each wave detector of the string
On First Speed sensor 22 and be mounted on it is each it is described protection cylinder on second speed sensor 21, each First Speed
Sensor and each second speed sensor are electrically connected to the lifting controller.The micro-seismic monitoring system of the utility model
System, including the First Speed sensor being mounted on each wave detector of the string and is mounted on each protection cylinder
On second speed sensor, each First Speed sensor and each second speed sensor are electrically connected to the liter
Drop controller, First Speed sensor and the second speed sensor described in the lifting controller real-time reception are sent respectively
First Speed data-signal and second speed data-signal and compare, First Speed data and second speed data not
When consistent, revolving speed adjustment signal is sent to the electric capstan, so that the protection cylinder is consistent with the wave detector speed.
Referring to Fig. 1 and Fig. 4, interval is enclosed on the inner wall same level direction of the monitoring well passes equipped with multiple positions
Sensor, the position sensor on the inner wall same level direction to prevent the monitoring well breaks down, to send mistake
True data signal.
Referring to fig. 4, multiple First Speed sensors are installed, to prevent on the wave detector on each wave detector
The First Speed sensor breaks down, to send distorted data signals.
Referring to Fig. 1 and Fig. 4, multiple second speed sensors are installed on each protection cylinder, to prevent the protection
The second speed sensor on cylinder breaks down, to send distorted data signals.
Referring to Fig. 1 and Fig. 4, the walking mechanism is uniformly alternatively arranged on the protection drum outer wall along short transverse.Institute
The axis direction for stating the direction of travel and the protection cylinder of walking mechanism is consistent.
Referring to fig. 4, multiple electric capstans are uniformly distributed along monitoring well heads, and equal winding has been on each electric capstan
State drawing cable;Each drawing cable is correspondingly connected on the barrel of the protection cylinder for being located at the top, and multiple institutes
It states drawing cable and is uniformly distributed connection along the upper end nozzle week edge of the protection cylinder.The drawing cable can be wirerope, excellent
Phosphorized coating steel wire rope is selected, for phosphorized coating steel wire rope than bright wire rope long service life, use cost is lower, and stability is more
It is good, more preferable manganese-series phosphorized Coated Wirerope, this is because manganese-series phosphorized Coated Wirerope fatigue life is same structure plain bar
3-4 times of cord.The lifting traction mechanism of the utility model includes along the equally distributed multiple electric capstans of well head, each institute
It states and is arranged with the drawing cable on electric capstan, the drawing cable is distributed along the protection drum outer wall even circumferential, is made
It obtaining and the tractive force of the protection cylinder is uniformly distributed, the traction force on each drawing cable is identical, so that the protection cylinder
Lifting process is very stable.
Referring to Fig. 5, the position sensor, the First Speed sensor, the second speed sensor and the electricity
Dynamic capstan winch, which passes through, is wirelessly or non-wirelessly electrically connected to the lifting controller.The model AMN32 of the position sensor, it is described
The model SCA1000-D01 of First Speed sensor, the model SCA1000-D01 of the second speed sensor, it is described
The model ATA3741 of lifting controller.
It is the position sensor, the First Speed sensor, the second speed sensor in the present embodiment, described
Electric capstan and the lifting controller, the structure and function of itself are the prior arts, and details are not described herein again, this is practical new
Type is intended to protect the type of attachment between above-mentioned each device.
The working principle of the micro-earthquake monitoring system of the utility model is as follows.
According to the cascade of the wave detector such as wave detector series connection protection cylinder;
Concatenated protection cylinder is transferred into installation site sensor in micro-seismic monitoring well in advance using the electric capstan
Initial position, when the protection cylinder reaches the position of the position sensor, the position sensor is controlled to the lifting
Device processed sends arriving signal, and the lifting controller sends stop signal to the motor;
It, will be under concatenated wave detector when the position sensor detects that multiple protection cylinders are transferred to initial position
It is put into the initial position;
Start the motor and transfer concatenated protection cylinder according to predetermined speed, and transfers concatenated inspection according to the predetermined speed
Wave device;
First Speed sensor described in the lifting controller real-time reception and the second speed sensor are sent respectively
First Speed data-signal and second speed data-signal and compare, First Speed data and second speed data not
When consistent, revolving speed adjustment signal is sent to the electric capstan;
The electric capstan adjusts revolving speed in real time, so that First Speed data and second speed data are consistent;
When multiple protection cylinders are transferred to the final position of installation site sensor, the final position and fracturing section
Substantially in sustained height, starts the motor and act the protection cylinder;
The wave detector is monitored fracturing section.
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 be embedded on the inner wall of monitoring well position sensor, detection
Device string, multiple lifting controllers for being in concatenated protection cylinder and being mounted on lifting traction mechanism, each protection cylinder difference
It is sheathed on outside each wave detector on string;It further include electric capstan, which is connected to position by pulling cable
In on the protection cylinder of the top;Multiple walking mechanisms are mounted on the outer wall of each protection cylinder;Each protection cylinder
Inner wall on be laid with anticollision buffer layer;The position sensor and the electric capstan are electrically connected to the elevating control
Device.
2. micro-earthquake monitoring system according to claim 1, which is characterized in that further include: it is mounted on the string
Each wave detector on First Speed sensor and the second speed sensor that is mounted on each protection cylinder, it is each described
First Speed sensor and each second speed sensor are electrically connected to the lifting controller.
3. micro-earthquake monitoring system according to claim 2, which is characterized in that in the inner wall same level of the monitoring well
Interval is enclosed equipped with multiple position sensors on direction.
4. micro-earthquake monitoring system according to claim 3, which is characterized in that installed on each wave detector multiple described
First Speed sensor.
5. micro-earthquake monitoring system according to claim 4, which is characterized in that installed on each protection cylinder multiple described
Second speed sensor.
6. micro-earthquake monitoring system according to claim 5, which is characterized in that multiple electric capstans are along monitoring well head
It is uniformly distributed, the drawing cable is arranged on each electric capstan;Each drawing cable, which is correspondingly connected with, to be located at
On the barrel of the protection cylinder of the top, and multiple drawing cables divide along the upper end nozzle week of the protection cylinder along uniform
Cloth connection.
7. micro-earthquake monitoring system according to claim 6, which is characterized in that the walking mechanism is described including being connected to
Protect the support limit bar on drum outer wall, the buffer spring being sheathed on outside the support limit bar;Described buffer spring one end and institute
Protection drum outer wall connection is stated, the other end is connected with mounting plate;Idler wheel, the end of the support limit bar are installed on the mounting plate
Buffer space is equipped between the mounting plate.
8. micro-earthquake monitoring system according to claim 7, which is characterized in that the protection cylinder material uses admiro
Coating steel.
9. micro-earthquake monitoring system according to claim 8, which is characterized in that the drawing cable is wirerope.
10. micro-earthquake monitoring system according to claim 9, which is characterized in that the anticollision buffer layer includes rubber layer
With the adhesive layer being layed in the rubber layer, it is Nian Jie with the protection inner wall of cylinder that the rubber layer passes through the adhesive layer.
Priority Applications (1)
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CN201820789306.3U CN208459608U (en) | 2018-05-24 | 2018-05-24 | A kind of micro-earthquake monitoring system |
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CN201820789306.3U CN208459608U (en) | 2018-05-24 | 2018-05-24 | A kind of micro-earthquake monitoring system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112878397A (en) * | 2021-03-10 | 2021-06-01 | 中国科学院武汉岩土力学研究所 | Use method of deep layer load test equipment in open caisson construction period |
-
2018
- 2018-05-24 CN CN201820789306.3U patent/CN208459608U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112878397A (en) * | 2021-03-10 | 2021-06-01 | 中国科学院武汉岩土力学研究所 | Use method of deep layer load test equipment in open caisson construction period |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20190524 |