CN107918160A - A kind of comprehensive scanning system and method for abandoned well - Google Patents
A kind of comprehensive scanning system and method for abandoned well Download PDFInfo
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- CN107918160A CN107918160A CN201711107297.1A CN201711107297A CN107918160A CN 107918160 A CN107918160 A CN 107918160A CN 201711107297 A CN201711107297 A CN 201711107297A CN 107918160 A CN107918160 A CN 107918160A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 59
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000004458 analytical method Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 12
- 238000012937 correction Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
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- 230000005021 gait Effects 0.000 claims description 3
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- 238000007689 inspection Methods 0.000 abstract description 5
- 239000002184 metal Substances 0.000 description 5
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
- G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
- G01V3/28—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device using induction coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
Abstract
The present invention provides a kind of comprehensive scanning system and method for abandoned well, attitude measurement module, vector data detection module and host therein are installed in a backrest.Two high-precision GPSs are installed in backrest top horizontal direction.Vector sensor module is installed on strut bottom, close proximity to ground, is connected between sensor strut and backrest using universal joint, and when keeping backrest movement, sensor strut is all the time straight down.Data collecting system uses computer, is connected by cable with GPS and vector sensor, controls and receives GPS and vector sensor data, real-time display, analysis；Compared with prior art, the present invention can realize the whole complete detection for surveying area's plane, the drawbacks of overcoming prior art repeated work and omit, the occurrence of substantially increasing detection efficient and precision, reduce flase drop and missing inspection.
Description
Technical field
The present invention relates to abandoned well detection field, relates more particularly to a kind of comprehensive scanning system and method for abandoned well.
Background technology
The research of real time positioning technology based on GPS arises from later stage the 1990s, and the product of foreign department branch company is
Enter commercialization, as Ashtech 3DF systems, TANS VECTOR of Trimble companies, JAVAD companies JNSGyro systems
System etc., the factor for determining attitude of carrier precision is mainly gps antenna configuration, receiver mode, multipath effect.The domestic southeast is big
The scientific research institutions such as, National GPS engineering center, Wuhan University GPS attitude measurements technical elements also achieve some scientific researches with
Application achievements.Presently relevant application is only limited to catch for real time position（There is the successful case applied to Driving Test vehicle in the country
Example）, in detection sensor application is had no with the detection field of detecting that alignment sensor is combined.
The work of each oil recovery factory's abandoned well detection of Shengli Oil Field, employs metal detection, magnetic method detection, transient electrical in work
A variety of detection means such as Magnetic testi, Ground Penetrating Radar detection.Magnetic method（Natural magnezization detects）It has been successfully applied to the detection of pipeline.See
All applications of the method in document are all to carry out horizontal metal body or the detection of reguline metal body, detect vertical cylinder body（Such as abandoned well）
Case it is less.Investigation depth is related with the scale of object.Metal detection, transient electromagnetic detect, on Ground Penetrating Radar etection theory
It can be applied to the detection of abandoned well.
Problems faced at present：
1st, above method equipment needs other GPS device auxiliary positioning without GPS positioning function, and work efficiency is low；Scanning be
Blind Test in larger region, accuracy and measuring point away from and line-spacing it is related, above method equipment can only realize survey line data at most
Real-time display, without the whole function of surveying area's plane and show, needs to post-process, be easy to cause repeated work and omission.Pipeline is with discarding
Well locus is different, and simple application pipeline inspection technology detection abandoned well, Effect on Detecting is poor, and flase drop and missing inspection situation are serious.
2nd, the methods of metal detection, transient electromagnetic detection, Ground Penetrating Radar detect and magnetic method have common ground, different obtaining
After detected components on direction, " abandoned well " is differentiated by some simple component, the resultant vector of two simple components or total vector
The exception of well head.Requiring the detection limit of three corresponding coordinate directions has enough precision.
The content of the invention
The technical problems to be solved by the invention are：There is provided a kind of abandoned well comprehensive scanning system and method, it can
Realize more fully abandoned well scanning work, solve it is existing detection be easy to cause repeated work and omit with the drawbacks of, improve inspection
The precision of survey.
Present invention firstly provides a kind of comprehensive scanning system of abandoned well, including the attitude measurement mould in same backrest
Block, vector data detection module and host, wherein：
Attitude measurement module, for obtaining the attitude information of the scanning system present position in real time, the attitude information includes
Gps coordinate, height and deflection, it is included in two gps antennas that installation is spaced on backrest top horizontal direction, and described two
A gps antenna is connected with gps data processing system respectively, and the gps data processing system is equipped with communication interface；
Vector data detection module, for obtaining the vector data of the scanning system present position in real time, it includes passing through ten thousand
The sensor strut in backrest and the vector sensor installed in sensor strut bottom, the arrow are vertically mounted on to section
Quantity sensor is connected with data acquisition chip, and the data acquisition chip is equipped with communication interface；
Host, is used for realization task arrangement, navigator fix, planning scanning path and display traveling flight path, and can realize detection
Generating date shows that it includes communication interface and human-computer dialogue module；
The attitude measurement module, vector data detection module are connected by communication interface with host respectively.
Further, described two GPS positioning error of coordinate≤1 centimetre.
Further, the horizontal distance between described two gps antennas is more than 0.6 meter.
Further, the vector sensor is three-component fluxgate magnetometer.
Then, the checking method using the comprehensive scanning system of above-mentioned abandoned well is provided, is included the following steps：
（1）The substantially coordinate position of known abandoned well is imported into human-computer dialogue module, forms task；
（2）A certain location is navigated to using the navigation locating function of human-computer dialogue module；
（3）Coverage of survey area and scanning path are shown using the survey section planning function of human-computer dialogue module；
（4）Advance by scanning path, when keeping backrest movement, sensor strut is all the time straight down；Human-computer dialogue module is automatic
Stored record three-component magnetic field value and attitude information；In defined detection range, in detection process, real-time by acquisition is sat
Cursor position shows detection zone, and non-detection zone is identified from the different mark of detection zone, final to realize regulation
In the range of all standing detection；
（5）Current to survey after the completion of area's scanning, human-computer dialogue module carries out three-component magnetic field value according to the attitude information of each measuring point
Angle correct, makes the three-component magnetic field value direction of each measuring point consistent；
（6）Using the magnetic field value drawing isoline figure after correction, judge to discard the accurate location of well head.
Preferably, the coverage of survey area is square that the length of side is more than 10 meters；Scanning path is " several " font, and line is smaller than
50 centimetres.
Preferably, system determines test position and time in real time using the coordinate of one of GPS outputs, and two are sat in real time
Detection data between mark by interpolation obtain detection point coordinates it is timely between.
Preferably, during traveling the sensor strut in vertical direction amplitude of fluctuation≤1 °.
Preferably, the meter per second of gait of march≤1.5, in the case where ensureing requirement of the measuring point spacing no more than 0.1 meter, the arrow of detection
Amount data sampling rate cannot be less than 15 groups/second；
Preferably, the data of the horizontal component of acquisition are corrected by course angle, the arrow after being reconfigured with vertical component as correction
Data are measured, it is abnormal using a simple component, the resultant vector of two simple components or total vector analysis, identify " abandoned well " well head
Horizontal level.
Attitude measurement module, vector data detection module and the host of the present invention is installed in a backrest.On backrest top
Portion's horizontal direction installs two high-precision GPSs.Vector sensor module is installed on strut bottom, close proximity to ground, sensor
Connected between strut and backrest using universal joint, when keeping backrest movement, sensor strut is all the time straight down.Data collecting system
Using computer, it is connected by cable with GPS and vector sensor, controls and receive GPS and vector sensor data, it is aobvious in real time
Show, analyze；Compared with prior art, the present invention can realize the whole complete detection for surveying area's plane, overcome the prior art to repeat
The drawbacks of work and omission, the occurrence of substantially increasing detection efficient and precision, reduce flase drop and missing inspection.
Brief description of the drawings
Fig. 1 is the principle of the present invention Organization Chart；
Fig. 2 is the scheme of installation of gps antenna and vector sensor in backrest in the present invention；
Fig. 3 is coverage of survey area and scanning path schematic diagram.
In figure：1st, backrest, 2, positioning GPS antenna, 3, orientation gps antenna, 4, universal joint, 5, vector sensor strut, 6,
Vector sensor.
Embodiment
Below by specific example, the present invention is described in detail, but the purposes and mesh of these exemplary embodiments
Be only used for enumerate the present invention, any type of any restriction not is formed to the real protection scope of the present invention, it is more non-to incite somebody to action this
The protection domain of invention is confined to this.
Embodiment 1
Referring to Fig. 1-2, a kind of comprehensive scanning system of abandoned well, it includes attitude measurement module, the arrow being installed in same backrest
Data detection module and host are measured, wherein：
Attitude measurement module, for obtaining the attitude information of the scanning system present position in real time, attitude information is sat including GPS
Mark, height and deflection, it is included in two gps antennas that installation is spaced on 1 top horizontal direction of backrest（That is positioning GPS
Antenna 2 and orientation gps antenna 3）, two gps antennas are connected with gps data processing system, are set in gps data processing system respectively
There is communication interface；Attitude measurement module reaches Centimeter Level using GPS system, precision such as the existing Big Dippeves.
Vector data detection module, for obtaining the vector data of the scanning system present position in real time, it includes logical
Cross sensor strut 5 and the vector sensing installed in 5 bottom of sensor strut that universal joint 4 is vertically mounted in backrest 1
Device 6, vector sensor 6 are connected with data acquisition chip, and data acquisition chip is equipped with communication interface.
Host, is used for realization task arrangement, navigator fix, planning scanning path and display traveling flight path, and can realize
Detection data handles display in real time, it includes communication interface and human-computer dialogue module.
Attitude measurement module, vector data detection module are connected by communication interface with host respectively.
Embodiment 2
Referring to Fig. 1-2, a kind of comprehensive scanning system of abandoned well, on the basis of embodiment 1, further preferably：Two GPS positionings
Error of coordinate≤1 centimetre, in order to reach the precision of course angle≤1 °, according to formula：, it is desirable to two GPS are in level side
To length >=0.6 meter；Vector sensor selected as three-component fluxgate magnetometer, vector sensor data precision need basis
Theory of the selected physical quantity on abandoned well is abnormal definite.
Embodiment 3
The checking method of the comprehensive scanning system of abandoned well, includes the following steps in a kind of Application Example 1-2：
（1）The substantially coordinate position of known abandoned well is imported into human-computer dialogue module, forms task；
（2）A certain location is navigated to using the navigation locating function of human-computer dialogue module；
（3）Coverage of survey area and scanning path are shown using the survey section planning function of human-computer dialogue module；
（4）Advance by scanning path, when keeping backrest movement, all the time straight down, sensor strut is vertical for sensor strut
Direction amplitude of fluctuation≤1 °；The meter per second of gait of march≤1.5, in the case where ensureing requirement of the measuring point spacing no more than 0.1 meter, detection
Vector data sample rate cannot be less than 15 groups/second, the automatic stored record three-component magnetic field value of human-computer dialogue module and attitude information；
In defined detection range, in detection process, pass through the real-time coordinates position display of acquisition detection zone, non-detection zone
Domain is identified from the different mark of detection zone, finally realizes all standing detection in prescribed limit；
（5）Current to survey after the completion of area's scanning, human-computer dialogue module carries out three-component magnetic field value according to the attitude information of each measuring point
Angle correct, makes the three-component magnetic field value direction of each measuring point consistent；
（6）Using the magnetic field value drawing isoline figure after correction, judge to discard the accurate location of well head.
Embodiment 4
The checking method of the comprehensive scanning system of abandoned well in a kind of Application Example 1-2, on the basis of embodiment 3, further
Preferably：Referring to Fig. 3, coverage of survey area is square, and the length of side is more than 10 meters；Scanning path is " several " font, and line is smaller than 50 lis
Rice.The data of the horizontal component of acquisition are corrected by course angle, and the vector data after being reconfigured with vertical component as correction, makes
It is abnormal with a simple component, the resultant vector of two simple components or total vector analysis, identify the horizontal position of " abandoned well " well head
Put.
The above, is only the exemplary embodiments of the present invention, those skilled in the art is possibly also with above-mentioned elaboration
Equivalent technical solution is changed or be revised as to technical solution to the present invention.Therefore, according to technical scheme
Any simple modification carried out or substitute equivalents, belong to the greatest extent the scope of protection of present invention.
Claims (10)
1. a kind of comprehensive scanning system of abandoned well, it is characterised in that including the attitude measurement module in same backrest, arrow
Data detection module and host are measured, wherein：
Attitude measurement module, for obtaining the attitude information of the scanning system present position in real time, the attitude information includes
Gps coordinate, height and deflection, it is included in two gps antennas that installation is spaced on backrest top horizontal direction, and described two
A gps antenna is connected with gps data processing system respectively, and the gps data processing system is equipped with communication interface；
Vector data detection module, for obtaining the vector data of the scanning system present position in real time, it includes passing through ten thousand
The sensor strut in backrest and the vector sensor installed in sensor strut bottom, the arrow are vertically mounted on to section
Quantity sensor is connected with data acquisition chip, and the data acquisition chip is equipped with communication interface；
Host, is used for realization task arrangement, navigator fix, planning scanning path and display traveling flight path, and can realize detection
Generating date shows that it includes communication interface and human-computer dialogue module；
The attitude measurement module, vector data detection module are connected by communication interface with host respectively.
2. the comprehensive scanning system of abandoned well according to claim 1, it is characterised in that described two GPS positioning coordinates miss
Difference≤1 centimetre.
3. the comprehensive scanning system of abandoned well according to claim 1, it is characterised in that between described two gps antennas
Horizontal distance is more than 0.6 meter.
4. according to any comprehensive scanning systems of abandoned well of claim 1-3, it is characterised in that the vector sensor
For three-component fluxgate magnetometer.
5. the checking method of the application any comprehensive scanning systems of abandoned well of claim 1-4, it is characterised in that including as follows
Step：
（1）The substantially coordinate position of known abandoned well is imported into human-computer dialogue module, forms task；
（2）A certain location is navigated to using the navigation locating function of human-computer dialogue module；
（3）Coverage of survey area and scanning path are shown using the survey section planning function of human-computer dialogue module；
（4）Advance by scanning path, when keeping backrest movement, sensor strut is all the time straight down；Human-computer dialogue module is automatic
Stored record three-component magnetic field value and attitude information；In defined detection range, in detection process, real-time by acquisition is sat
Cursor position shows detection zone, and non-detection zone is identified from the different mark of detection zone, final to realize regulation
In the range of all standing detection；
（5）Current to survey after the completion of area's scanning, human-computer dialogue module carries out three-component magnetic field value according to the attitude information of each measuring point
Angle correct, makes the three-component magnetic field value direction of each measuring point consistent；
（6）Using the magnetic field value drawing isoline figure after correction, judge to discard the accurate location of well head.
6. checking method according to claim 5, it is characterised in that the coverage of survey area is square, and the length of side is more than 10 meters；
Scanning path is " several " font, and line is smaller than 50 centimetres.
7. checking method according to claim 5, it is characterised in that system is real using the coordinate of one of GPS outputs
When determine test position and time, the detection data between two real-time coordinates by interpolation obtain detection point coordinates it is timely between.
8. checking method according to claim 5, it is characterised in that the sensor strut is put in vertical direction during traveling
Dynamic amplitude≤1 °.
9. checking method according to claim 5, it is characterised in that the meter per second of gait of march≤1.5, between measuring point is ensured
Under requirement away from no more than 0.1 meter, the vector data sample rate of detection cannot be less than 15 groups/second.
10. checking method according to claim 5, it is characterised in that the data of the horizontal component of acquisition pass through course angle
Correction, the vector data after being reconfigured with vertical component as correction, uses a simple component, the resultant vector of two simple components
Or total vector analysis exception, the horizontal level of identification " abandoned well " well head.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110900310A (en) * | 2019-12-11 | 2020-03-24 | 山东省煤田地质规划勘察研究院 | Method for identifying drilling hole left casing based on high-precision magnetic measurement |
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| CN107918160B (en) | 2023-12-19 |
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