CN105203071A - Direction finding device and direction finding method used for geostress survey - Google Patents
Direction finding device and direction finding method used for geostress survey Download PDFInfo
- Publication number
- CN105203071A CN105203071A CN201410287664.0A CN201410287664A CN105203071A CN 105203071 A CN105203071 A CN 105203071A CN 201410287664 A CN201410287664 A CN 201410287664A CN 105203071 A CN105203071 A CN 105203071A
- Authority
- CN
- China
- Prior art keywords
- measurement
- angle
- module
- finding
- finding device
- 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.)
- Granted
Links
Abstract
The invention provides a direction finding device and direction finding method used for geostress survey. The direction finding device is provided with three channels and is capable of achieving independent measurement, and the device comprises a first measurement channel, a second measurement channel, a third measurement channel, a processor, a storage, a clock module and a power module; the processor is electrically connected with the first measurement channel, the second measurement channel, the third measurement channel, the storage, the clock module and the power module; the first measurement channel comprises a geomagnetic measurement module, a first signal conditioning circuit and a first analog-digital converter which are connected in series; the second measurement channel comprises an inclination angle measurement module, a second signal conditioning circuit and a second analog-digital converter which are connected in series; the third measurement channel comprises a rotation angle measurement module, a third signal conditioning circuit and a third analog-digital converter which are connected in series. By means of the direction finding device and direction finding method used for geostress survey, orientation work for geostress survey can be conducted in vertical holes, horizontal holes and inclined holes simultaneously, and the direction finding device and direction finding method have the advantage of being wide in application scope.
Description
Technical field
The invention belongs to geostress survey technical field, be specifically related to a kind of direction-finding device for geostress survey and direction-finding method.
Background technology
Along with continuing to increase of the engineerings such as China's mining, tunnel, water conservancy and hydropower, geothermal energy development and nuclear waste disposal, the series of problems such as rock burst, roadway deformation, high slope unstability are further outstanding, therefore, carry out geostress survey, find out Crustal stress state to have important practical significance, can be the research of geodynamic study, fault activities Journal of Sex Research and geo-hazard early-warning and important scientific basis is provided.
Hydraulic fracturing is a kind of earth stress measuring method grown up the seventies, the method is one of the test method council of ISRM determination rock stress method of recommending of promulgating, is the advanced method that directly can carry out deep-hole blast at present in the world preferably.
In traditional water pressure supporing, the measurement of fracturing fracture more uses the die device with orientor.Die device is the equipment that outside surface wraps up one deck plasticity rubber or similar material, die device is sent into underground fracture section position together with pressure pipeline, then by die device pressurized expansion, so that all pressure break cracks are all imprinted on die device on the wall of a borehole making hydrofracturing produce, this impression can keep enough time, can record after aboveground to be carried by die device.In addition, owing to being provided with orientor bottom die device, by the orientation of the data determination fracturing fracture of orientor record.
Concrete, when carrying out upright opening and measuring, the orientor installed bottom die device is electronic compass, is measured the magnetic direction angle in pressure break crack by electronic compass; When carrying out lateral aperture and measuring, the orientor installed bottom die device is image capture device, uses mechanical weight and use image capture device timing to take pictures the method for developing to obtain the angle of crack and surface level; When carrying out inclined hole and measuring, comprehensively used the position angle judging crack by multiple instrument, the angle of pitch and roll angle.
As can be seen here, when using the orientation of traditional orientor determination fracturing fracture, need to choose different surveying instruments according to the direction in hole, there is the problem of the low and complex operation of versatility; Especially when measurement environment be iron content class mineral reserve or large-scale structure interference time, the orientors such as electronic compass can lose efficacy, thus cause measuring unsuccessfully.
Summary of the invention
For the defect that prior art exists, the invention provides a kind of direction-finding device for geostress survey and direction-finding method, in order to solve the problem.
The technical solution used in the present invention is as follows:
The invention provides a kind of direction-finding device for geostress survey, this direction-finding device is that triple channel independently measures direction-finding device, comprises the first Measurement channel, the second Measurement channel, the 3rd Measurement channel, processor, storer, clock module and power module; Described processor is electrically connected with described first Measurement channel, described second Measurement channel, described 3rd Measurement channel, described storer, described clock module and described power module respectively;
Wherein, described first Measurement channel comprises the magnetic survey module of series connection, the first signal conditioning circuit and the first analog to digital converter;
Described second Measurement channel comprises the measurement of dip angle module of series connection, secondary signal modulate circuit and the second analog to digital converter;
Described 3rd Measurement channel comprises the rotation angle measurement module of series connection, the 3rd signal conditioning circuit and the 3rd analog to digital converter.
Preferably, described magnetic survey module comprises mutually perpendicular X to geomagnetic sensor, Y-direction geomagnetic sensor and Z-direction geomagnetic sensor;
Described measurement of dip angle module comprises mutually perpendicular X to acceleration transducer, Y-direction acceleration transducer and Z-direction acceleration transducer;
Described rotation angle measurement module comprises mutually perpendicular X to gyroscope, Y-direction gyroscope and Z-direction gyroscope;
Described processor is used for the measurement result according to described magnetic survey module, described measurement of dip angle module and described rotation angle measurement module, calculates magnetic direction and the inclination angle in pressure break crack;
Described storer is for storing magnetic direction and the inclination angle in each setting-up time section pressure break crack;
Described clock module is for controlling described processor dormancy or waking up;
Described power module comprises battery and the voltage conversion chip of series connection, by described voltage conversion chip, provides adaptive electric energy to described processor.
Preferably, described first Measurement channel, described second Measurement channel, described 3rd Measurement channel, described processor, described storer, described clock module and described power module are integrated into a direction finding circuit board.
Preferably, described direction-finding device also comprises copper pipe; Described direction finding circuit board is placed in the inwall of described copper pipe, and is fixedly connected with described copper pipe; Or described direction finding circuit board is fixed on fender bracket, then the fender bracket being fixed with described direction finding circuit board is fixed on described copper pipe inwall.
The present invention also provides a kind of direction-finding method of the direction-finding device for geostress survey, comprises the following steps:
S1, before measurement, on ground, assembling obtains direction-finding device according to claim 4;
S2, carries out initial parameter configuration to described direction-finding device;
S3, for the direction-finding device described in S1, after being fixed to by direction finding circuit board on described copper pipe inwall, installs waterproof seal at the two ends of copper pipe;
S4, the direction-finding device obtained by S3 is installed to the bottom of die device, then the die device being provided with described direction-finding device is sent into underground fracture section position, by die device pressurized expansion, after keeping the swelling pressure of certain hour, crack will leave impression on die device, and described direction-finding device carries out direction finding work, is specially:
When carrying out upright opening geostress survey, start the first Measurement channel, by magnetic survey module record not in the same time direction-finding device axis the projection of surface level magnetic azinuth and be stored in storer;
When carrying out lateral aperture geostress survey, start the second Measurement channel, by the measurement of dip angle module record not angle that rotates along own axes of direction-finding device and roll angle in the same time, and, the record not angle of direction-finding device axis and surface level and the angle of pitch in the same time; Then roll angle and the angle of pitch are stored in storer;
When carrying out inclined hole geostress survey, combined launch first Measurement channel and the second Measurement channel, use magnetic survey module record not magnetic direction angle in the same time, and, use measurement of dip angle module record not roll angle in the same time and the angle of pitch, then magnetic direction angle, roll angle and the angle of pitch are stored in storer;
S5, after having measured, takes out described direction-finding device, reads the data measured by each Measurement channel from described storer, by data analysis, carries out orientation, be specially the fracturing fracture that hydraulic fracturing produces:
When carrying out upright opening geostress survey, from described storer, read the magnetic azinuth in each moment of described magnetic survey module record, thus extrapolate the magnetic azinuth of the fracturing fracture that hydraulic fracturing produces;
When carrying out lateral aperture geostress survey, from described storer, read roll angle and the angle of pitch in each moment of described measurement of dip angle module record, thus extrapolate the direction of fracturing fracture that hydraulic fracturing produces and the angle that ground level produces;
When carrying out inclined hole geostress survey, the magnetic azinuth in each moment of described magnetic survey module record is read from described storer, and, read roll angle and the angle of pitch in each moment of described measurement of dip angle module record, thus extrapolate the fracturing fracture direction and the angle that produces of direction, terrestrial magnetic field that hydraulic fracturing produces, and the angle that fracturing fracture direction and ground level produce, also extrapolate the axis of inclined hole and the angle of ground level.
Preferably, also comprise:
When carrying out upright opening geostress survey, while startup first Measurement channel, also start the 3rd Measurement channel, by the real-time attitude information of rotation angle measurement module record direction-finding device, checked by the information of information to magnetic survey module record of rotation angle measurement module record;
When carrying out lateral aperture geostress survey, while startup second Measurement channel, also start the 3rd Measurement channel, by the real-time attitude information of rotation angle measurement module record direction-finding device, checked by the information of information to measurement of dip angle module record of rotation angle measurement module record;
When carrying out inclined hole geostress survey, while startup first Measurement channel and the second Measurement channel, also start the 3rd Measurement channel, by the real-time attitude information of rotation angle measurement module record direction-finding device, checked by the information of information to the information of magnetic survey module record and measurement of dip angle module record of rotation angle measurement module record.
Preferably, the measurement result of described rotation angle measurement module to described magnetic survey module and/or measurement of dip angle module is checked, and the recheck method adopted is specially:
Be located at before being about to that direction-finding device and die device are sent into underground fracture section position, the attitude information obtained by the measurement of rotation angle measurement module removed by the processor controlling direction-finding device at well head, then records the magnetic azinuth A that direction-finding device is current
0, roll angle R
0with angle of pitch P
0, current time is designated as T
0;
When direction-finding device and die device are put into underground fracture section position, according to the work of routine operation completed well fracturing Fracture orientation, meanwhile, the real time rotation Azimuth, Speed, Altitude V in rotation angle measurement module record each moment
a(t), angular velocity in roll V
r(t) and rate of pitch V
p(t);
The measurement result of rotation angle measurement module to magnetic survey module is checked, and specifically refers to:
If the die moment is T
1, the position angle of this moment magnetic survey module record is A
2, the roll angle of measurement of dip angle module record is R
2, the angle of pitch is P
2;
The azimuth angle turned over by the direction-finding device of rotation angle measurement module record is
final direction-finding device azimuth value is A
1=(A '+A
0) %360 °, if
then think that measurement result is credible, otherwise need to remeasure;
The measurement result of rotation angle measurement module to measurement of dip angle module is checked, and specifically refers to:
The roll angle angle turned over by the direction-finding device of rotation angle measurement module record is
final direction-finding device roll angle numerical value is R
1=(R '+R
0) %360 °, if
then think the roll angle credible result that measurement of dip angle module measures, otherwise need to remeasure;
The angle of pitch angle turned over by the direction-finding device of rotation angle measurement module record is
final direction-finding device angle of pitch numerical value is P
1=(P '+P
0) %360 °, if
then think the angle of pitch credible result that measurement of dip angle module measures, otherwise need to remeasure.
Preferably, in S2, configure the initial parameter of described direction-finding device, comprise delay time, sampling interval, sampling length; According to configurable clock generator module time delay arranged, then each buffer status preserved by processor, enters park mode;
Clock module enters mode of operation subsequently, and after arriving time delay, clock module exports electric signal wake up process device, controls the output valve that corresponding analog to digital converter gathers each measurement module after processor starts,
And the measured value of each measurement module is saved in storer; Then processor is according to sampling interval configurable clock generator module again, and CPU preserves each buffer status, enters park mode; Clock module enters mode of operation subsequently, it will export electric signal wake up process device after sampling interval arrives, and make processor enter duty ... circulate and so forth, after cycle index reaches the sampling length of setting, processor enters park mode, and end data measures operation.
Preferably, for carry out under the environment in magnetic interference source upright opening, lateral aperture or inclined hole geostress survey time, the output valve of rotation angle measurement module instead magnetic measurement module completes test job.
Preferably, described magnetic interference source is iron ore.
Direction-finding device for geostress survey provided by the invention and direction-finding method, have the following advantages:
(1) can simultaneously at upright opening, carry out the orientation works of geostress survey in lateral aperture and inclined hole, be particularly useful for adopting hydraulic fracturing to carry out, in the work of geostress survey, having the advantage of applied range;
(2) direction-finding device has compact, is convenient to the advantage that field is carried;
(3) the built-in three kinds of direction-finding devices that can work independently of direction-finding device, be respectively magnetic survey module, measurement of dip angle module and rotation angle measurement module, further, the measurement result of each measurement module can be checked mutually, improves the precision of direction finding and the reliability of device;
(4) owing to introducing rotation angle measurement module, make direction-finding device can under the environment having iron ore or other magnetic interference source reliably working, improve the environmental suitability of direction-finding device;
(5) the direction finding circuit board of direction-finding device is low-power consumption mode, effectively can reduce the power consumption of direction-finding device, extends battery working time, meets the demand of long-time work.
Accompanying drawing explanation
Fig. 1 is the structural representation of the direction-finding device for geostress survey provided by the invention;
Fig. 2 be die device and direction-finding device be secured together carry out underground survey after be fetched into aboveground schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
As shown in Figure 1, the invention provides a kind of direction-finding device for geostress survey, can use in upright opening, lateral aperture and inclined hole geostress survey simultaneously, this direction-finding device is that triple channel independently measures direction-finding device, comprises the first Measurement channel, the second Measurement channel, the 3rd Measurement channel, processor, storer, clock module and power module; Processor is electrically connected with the first Measurement channel, the second Measurement channel, the 3rd Measurement channel, storer, clock module and power module respectively;
Wherein, the first Measurement channel comprises the magnetic survey module of series connection, the first signal conditioning circuit and the first analog to digital converter; In addition, according to practical application request, magnetic survey module can be that mutually perpendicular X is to geomagnetic sensor, Y-direction geomagnetic sensor and Z-direction geomagnetic sensor; Wherein, geomagnetic sensor selects magnetoresistive transducer or fluxgate sensor;
Second Measurement channel comprises the measurement of dip angle module of series connection, secondary signal modulate circuit and the second analog to digital converter; Measurement of dip angle module can select mutually perpendicular X to acceleration transducer, Y-direction acceleration transducer and Z-direction acceleration transducer;
3rd Measurement channel comprises the rotation angle measurement module of series connection, the 3rd signal conditioning circuit and the 3rd analog to digital converter.Rotation angle measurement module can select mutually perpendicular X to three-axis gyroscope, Y-direction three-axis gyroscope and Z-direction three-axis gyroscope; Three-axis gyroscope can be angular-rate sensor;
Processor is used for the measurement result of base area magnetic measurement module, measurement of dip angle module and rotation angle measurement module, calculates magnetic direction and the inclination angle in pressure break crack;
Storer is for storing magnetic direction and the inclination angle in each setting-up time section pressure break crack;
Clock module is used for control processor dormancy or wakes up, thus reduces direction-finding device power consumption.
Power module comprises battery and the voltage conversion chip of series connection, by voltage conversion chip, provides adaptive electric energy to processor.
In the present invention, the first Measurement channel, the second Measurement channel, the 3rd Measurement channel, processor, storer, clock module and power module are integrated into a direction finding circuit board.Then, direction finding circuit board is placed in the inwall of copper pipe, and is fixedly connected with copper pipe; Or, also direction finding circuit board can be fixed on fender bracket, then the fender bracket being fixed with direction finding circuit board is fixed on copper pipe inwall.
The present invention also provides a kind of direction-finding method of above-mentioned direction-finding device, comprises the following steps:
S1, before measurement, on ground, assembling obtains above-mentioned direction-finding device;
S2, carries out initial parameter configuration to direction-finding device;
In practical application, direction-finding device is connected by data line with computing machine, then uses computing machine to carry out initial configuration to direction-finding device.
S3, for the direction-finding device of S1, after being fixed on copper pipe inwall by direction finding circuit board, installs waterproof seal at the two ends of copper pipe;
S4, the direction-finding device obtained by S3 is installed to the bottom of die device, then the die device being provided with direction-finding device is sent into underground fracture section position by cable car or drilling rod, by die device pressurized expansion, after keeping the swelling pressure of certain hour, crack will leave impression on die device, and direction-finding device carries out direction finding work, is specially:
When carrying out upright opening geostress survey, start the first Measurement channel, by magnetic survey module record not in the same time direction-finding device axis the projection of surface level magnetic azinuth (AzimuthAngle) and be stored in storer;
When carrying out lateral aperture geostress survey, start the second Measurement channel, by the measurement of dip angle module record not angle that rotates along own axes of direction-finding device and roll angle (RollAngle) in the same time, and, record not angle and the angle of pitch (PitchAngle) of direction-finding device axis and surface level in the same time; Then roll angle and the angle of pitch are stored in storer;
When carrying out inclined hole geostress survey, combined launch first Measurement channel and the second Measurement channel, use magnetic survey module record not magnetic direction angle in the same time, and, use measurement of dip angle module record not roll angle in the same time and the angle of pitch, then magnetic direction angle, roll angle and the angle of pitch are stored in storer;
S5, after having measured, takes out direction-finding device, reads the data measured by each Measurement channel from storer, by data analysis, carries out orientation, be specially the fracturing fracture that hydraulic fracturing produces:
When carrying out upright opening geostress survey, from storer, read the magnetic azinuth in each moment of magnetic survey module record, thus extrapolate the magnetic azinuth of the fracturing fracture that hydraulic fracturing produces; As shown in Figure 2, for die device and direction-finding device be secured together carry out underground survey after be fetched into aboveground schematic diagram, wherein, 1 is die device; 2 is direction-finding device, is specially magnetic survey module; 3 is the crack of die device record; 4 is magnetic survey module reference; 5 is fracture orientation; 6 is magnetic north; When calculating the deflection of fracturing fracture, need the angle of actual measurement fracture orientation and direction-finding device benchmark, then can calculate the deflection of fracturing fracture according to simple geometric relationship.With reference to the magnetic direction angle that figure 2, a is direction-finding device record, b is the angle of the actual fracturing fracture that measures and direction-finding device benchmark, and now the deflection of fracturing fracture is a+b.
When carrying out lateral aperture geostress survey, from storer, read roll angle and the angle of pitch in each moment of measurement of dip angle module record, thus extrapolate the direction of fracturing fracture that hydraulic fracturing produces and the angle that ground level produces;
When carrying out inclined hole geostress survey, the magnetic azinuth in each moment of magnetic survey module record is read from storer, and, read roll angle and the angle of pitch in each moment of measurement of dip angle module record, thus extrapolate the fracturing fracture direction and the angle that produces of direction, terrestrial magnetic field that hydraulic fracturing produces, and the angle that fracturing fracture direction and ground level produce, also extrapolate the axis of inclined hole and the angle of ground level.
For carry out under the environment in magnetic interference source upright opening, lateral aperture or inclined hole geostress survey time, the output valve of rotation angle measurement module instead magnetic measurement module completes test job.
In addition, also comprise result and check step, thus improve the reliability of the measurement result of each measurement module, be specially:
When carrying out upright opening geostress survey, while startup first Measurement channel, also start the 3rd Measurement channel, by the real-time attitude information of rotation angle measurement module record direction-finding device, checked by the information of information to magnetic survey module record of rotation angle measurement module record;
When carrying out lateral aperture geostress survey, while startup second Measurement channel, also start the 3rd Measurement channel, by the real-time attitude information of rotation angle measurement module record direction-finding device, checked by the information of information to measurement of dip angle module record of rotation angle measurement module record;
When carrying out inclined hole geostress survey, while startup first Measurement channel and the second Measurement channel, also start the 3rd Measurement channel, by the real-time attitude information of rotation angle measurement module record direction-finding device, checked by the information of information to the information of magnetic survey module record and measurement of dip angle module record of rotation angle measurement module record.
Wherein, the measurement result of rotation angle measurement module to magnetic survey module and/or measurement of dip angle module is checked, and the recheck method adopted is specially:
Be located at before being about to that direction-finding device and die device are sent into underground fracture section position, the attitude information obtained by the measurement of rotation angle measurement module removed by the processor controlling direction-finding device at well head, then records the magnetic azinuth A that direction-finding device is current
0, roll angle R
0with angle of pitch P
0, current time is designated as T
0, and be stored in storer by processor;
When direction-finding device and die device are put into underground fracture section position, according to the work of routine operation completed well fracturing Fracture orientation, meanwhile, the real time rotation Azimuth, Speed, Altitude V in rotation angle measurement module record each moment
a(t), angular velocity in roll V
r(t) and rate of pitch V
p(t), and be stored in storer by processor;
The measurement result of rotation angle measurement module to magnetic survey module is checked, and specifically refers to:
If the die moment is T
1, the position angle of this moment magnetic survey module record is A
2, the roll angle of measurement of dip angle module record is R
2, the angle of pitch is P
2;
The azimuth angle turned over by the direction-finding device of rotation angle measurement module record is
final direction-finding device azimuth value is A
1=(A '+A
0) %360 °, if
then think that measurement result is credible, otherwise need to remeasure; In the present invention, for formula A
1=(A '+A
0) %360 °, the implication of its representative is: A '+A
0and divided by the remainder obtained after 360; In each formula below, the implication of symbol % is carries out the calculating of remainder number.
The measurement result of rotation angle measurement module to measurement of dip angle module is checked, and specifically refers to:
The roll angle angle turned over by the direction-finding device of rotation angle measurement module record is
final direction-finding device roll angle numerical value is R
1=(R '+R
0) %360 °, if
then think the roll angle credible result that measurement of dip angle module measures, otherwise need to remeasure;
The angle of pitch angle turned over by the direction-finding device of rotation angle measurement module record is
final direction-finding device angle of pitch numerical value is P
1=(P '+P
0) %360 °, if
then think the angle of pitch credible result that measurement of dip angle module measures, otherwise need to remeasure.
In addition, direction finding circuit board provided by the invention adopts low-power consumption mode to run, and is specially:
The initial parameter of configuration direction-finding device, comprises delay time, sampling interval, sampling length; According to configurable clock generator module time delay arranged, then each buffer status preserved by processor, enters park mode;
Clock module enters mode of operation subsequently, and after arriving time delay, clock module exports electric signal wake up process device, controls the output valve that corresponding analog to digital converter gathers each measurement module after processor starts,
And the measured value of each measurement module is saved in storer; Then processor is according to sampling interval configurable clock generator module again, and CPU preserves each buffer status, enters park mode; Clock module enters mode of operation subsequently, it will export electric signal wake up process device after sampling interval arrives, processor is made to enter duty ... circulate and so forth, after cycle index reaches the sampling length of setting, processor enters park mode, no longer continue the task of performing image data and configurable clock generator module, end data measures operation.Because the underground survey time is usually longer, by adopting above-mentioned low power operation module, both saved the energy, extending again the working time of direction-finding device, more can adapt to borehole operation demand.
In geostress survey process, when especially adopting hydraulic fracturing to measure deep hole terrestrial stress, existing measuring process is more loaded down with trivial details, and direction-finding device needs to rely on cable car or the drilling rod that continues to enter deep hole, disregard Measuring Time, sometimes only put into and just need tens hours with the time of extraction device; As can be seen here, if one-shot measurement failure, huge time and money loss will be caused.And in the present invention, magnetic survey module, measurement of dip angle module and rotation angle measurement module are integrated in a unified direction-finding device, direction-finding device is made to go for various working, improve the work efficiency of crack orientation and the accuracy of measurement result in geostress survey work, solve crack oriented program in geostress survey loaded down with trivial details, the problem that equipment falls behind, specifically has the following advantages:
(1) can simultaneously at upright opening, carry out the orientation works of geostress survey in lateral aperture and inclined hole, be particularly useful for adopting hydraulic fracturing to carry out, in the work of geostress survey, having the advantage of applied range;
(2) direction-finding device has compact, is convenient to the advantage that field is carried;
(3) the built-in three kinds of direction-finding devices that can work independently of direction-finding device, be respectively magnetic survey module, measurement of dip angle module and rotation angle measurement module, further, the measurement result of each measurement module can be checked mutually, improves the precision of direction finding and the reliability of device;
(4) owing to introducing rotation angle measurement module, make direction-finding device can under the environment having iron ore or other magnetic interference source reliably working, improve the environmental suitability of direction-finding device;
(5) the direction finding circuit board of direction-finding device is low-power consumption mode, effectively can reduce the power consumption of direction-finding device, extends battery working time, meets the demand of long-time work.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should look protection scope of the present invention.
Claims (10)
1. for a direction-finding device for geostress survey, it is characterized in that, this direction-finding device is that triple channel independently measures direction-finding device, comprises the first Measurement channel, the second Measurement channel, the 3rd Measurement channel, processor, storer, clock module and power module; Described processor is electrically connected with described first Measurement channel, described second Measurement channel, described 3rd Measurement channel, described storer, described clock module and described power module respectively;
Wherein, described first Measurement channel comprises the magnetic survey module of series connection, the first signal conditioning circuit and the first analog to digital converter;
Described second Measurement channel comprises the measurement of dip angle module of series connection, secondary signal modulate circuit and the second analog to digital converter;
Described 3rd Measurement channel comprises the rotation angle measurement module of series connection, the 3rd signal conditioning circuit and the 3rd analog to digital converter.
2. the direction-finding device for geostress survey according to claim 1, is characterized in that, described magnetic survey module comprises mutually perpendicular X to geomagnetic sensor, Y-direction geomagnetic sensor and Z-direction geomagnetic sensor;
Described measurement of dip angle module comprises mutually perpendicular X to acceleration transducer, Y-direction acceleration transducer and Z-direction acceleration transducer;
Described rotation angle measurement module comprises mutually perpendicular X to gyroscope, Y-direction gyroscope and Z-direction gyroscope;
Described processor is used for the measurement result according to described magnetic survey module, described measurement of dip angle module and described rotation angle measurement module, calculates magnetic direction and the inclination angle in pressure break crack;
Described storer is for storing magnetic direction and the inclination angle in each setting-up time section pressure break crack;
Described clock module is for controlling described processor dormancy or waking up;
Described power module comprises battery and the voltage conversion chip of series connection, by described voltage conversion chip, provides adaptive electric energy to described processor.
3. the direction-finding device for geostress survey according to claim 1 and 2, it is characterized in that, described first Measurement channel, described second Measurement channel, described 3rd Measurement channel, described processor, described storer, described clock module and described power module are integrated into a direction finding circuit board.
4. the direction-finding device for geostress survey according to claim 3, is characterized in that, described direction-finding device also comprises copper pipe; Described direction finding circuit board is placed in the inwall of described copper pipe, and is fixedly connected with described copper pipe; Or described direction finding circuit board is fixed on fender bracket, then the fender bracket being fixed with described direction finding circuit board is fixed on described copper pipe inwall.
5. described in claim 4 for a direction-finding method for the direction-finding device of geostress survey, it is characterized in that, comprise the following steps:
S1, before measurement, on ground, assembling obtains direction-finding device according to claim 4;
S2, carries out initial parameter configuration to described direction-finding device;
S3, for the direction-finding device described in S1, after being fixed to by direction finding circuit board on described copper pipe inwall, installs waterproof seal at the two ends of copper pipe;
S4, the direction-finding device obtained by S3 is installed to the bottom of die device, then the die device being provided with described direction-finding device is sent into underground fracture section position, by die device pressurized expansion, after keeping the swelling pressure of certain hour, crack will leave impression on die device, and described direction-finding device carries out direction finding work, is specially:
When carrying out upright opening geostress survey, start the first Measurement channel, by magnetic survey module record not in the same time direction-finding device axis the projection of surface level magnetic azinuth and be stored in storer;
When carrying out lateral aperture geostress survey, start the second Measurement channel, by the measurement of dip angle module record not angle that rotates along own axes of direction-finding device and roll angle in the same time, and, the record not angle of direction-finding device axis and surface level and the angle of pitch in the same time; Then roll angle and the angle of pitch are stored in storer;
When carrying out inclined hole geostress survey, combined launch first Measurement channel and the second Measurement channel, use magnetic survey module record not magnetic direction angle in the same time, and, use measurement of dip angle module record not roll angle in the same time and the angle of pitch, then magnetic direction angle, roll angle and the angle of pitch are stored in storer;
S5, after having measured, takes out described direction-finding device, reads the data measured by each Measurement channel from described storer, by data analysis, carries out orientation, be specially the fracturing fracture that hydraulic fracturing produces:
When carrying out upright opening geostress survey, from described storer, read the magnetic azinuth in each moment of described magnetic survey module record, thus extrapolate the magnetic azinuth of the fracturing fracture that hydraulic fracturing produces;
When carrying out lateral aperture geostress survey, from described storer, read roll angle and the angle of pitch in each moment of described measurement of dip angle module record, thus extrapolate the direction of fracturing fracture that hydraulic fracturing produces and the angle that ground level produces;
When carrying out inclined hole geostress survey, the magnetic azinuth in each moment of described magnetic survey module record is read from described storer, and, read roll angle and the angle of pitch in each moment of described measurement of dip angle module record, thus extrapolate the fracturing fracture direction and the angle that produces of direction, terrestrial magnetic field that hydraulic fracturing produces, and the angle that fracturing fracture direction and ground level produce, also extrapolate the axis of inclined hole and the angle of ground level.
6. direction-finding method according to claim 5, is characterized in that, also comprises:
When carrying out upright opening geostress survey, while startup first Measurement channel, also start the 3rd Measurement channel, by the real-time attitude information of rotation angle measurement module record direction-finding device, checked by the information of information to magnetic survey module record of rotation angle measurement module record;
When carrying out lateral aperture geostress survey, while startup second Measurement channel, also start the 3rd Measurement channel, by the real-time attitude information of rotation angle measurement module record direction-finding device, checked by the information of information to measurement of dip angle module record of rotation angle measurement module record;
When carrying out inclined hole geostress survey, while startup first Measurement channel and the second Measurement channel, also start the 3rd Measurement channel, by the real-time attitude information of rotation angle measurement module record direction-finding device, checked by the information of information to the information of magnetic survey module record and measurement of dip angle module record of rotation angle measurement module record.
7. direction-finding method according to claim 6, is characterized in that, the measurement result of described rotation angle measurement module to described magnetic survey module and/or measurement of dip angle module is checked, and the recheck method adopted is specially:
Be located at before being about to that direction-finding device and die device are sent into underground fracture section position, the attitude information obtained by the measurement of rotation angle measurement module removed by the processor controlling direction-finding device at well head, then records the magnetic azinuth A that direction-finding device is current
0, roll angle R
0with angle of pitch P
0, current time is designated as T
0;
When direction-finding device and die device are put into underground fracture section position, according to the work of routine operation completed well fracturing Fracture orientation, meanwhile, the real time rotation Azimuth, Speed, Altitude V in rotation angle measurement module record each moment
a(t), angular velocity in roll V
r(t) and rate of pitch V
p(t);
The measurement result of rotation angle measurement module to magnetic survey module is checked, and specifically refers to:
If the die moment is T
1, the position angle of this moment magnetic survey module record is A
2, the roll angle of measurement of dip angle module record is R
2, the angle of pitch is P
2;
The azimuth angle turned over by the direction-finding device of rotation angle measurement module record is
final direction-finding device azimuth value is A
1=(A '+A
0) %360 °, if
then think that measurement result is credible, otherwise need to remeasure;
The measurement result of rotation angle measurement module to measurement of dip angle module is checked, and specifically refers to:
The roll angle angle turned over by the direction-finding device of rotation angle measurement module record is
final direction-finding device roll angle numerical value is R
1=(R '+R
0) %360 °, if
then think the roll angle credible result that measurement of dip angle module measures, otherwise need to remeasure;
The angle of pitch angle turned over by the direction-finding device of rotation angle measurement module record is
final direction-finding device angle of pitch numerical value is P
1=(P '+P
0) %360 °, if
then think the angle of pitch credible result that measurement of dip angle module measures, otherwise need to remeasure.
8. direction-finding method according to claim 5, is characterized in that, in S2, configures the initial parameter of described direction-finding device, comprises delay time, sampling interval, sampling length; According to configurable clock generator module time delay arranged, then each buffer status preserved by processor, enters park mode;
Clock module enters mode of operation subsequently, after arriving time delay, clock module exports electric signal wake up process device, controls the output valve that corresponding analog to digital converter gathers each measurement module, and be saved in storer by the measured value of each measurement module after processor starts; Then processor is according to sampling interval configurable clock generator module again, and CPU preserves each buffer status, enters park mode; Clock module enters mode of operation subsequently, it will export electric signal wake up process device after sampling interval arrives, and make processor enter duty ... circulate and so forth, after cycle index reaches the sampling length of setting, processor enters park mode, and end data measures operation.
9. direction-finding method according to claim 5, is characterized in that, for carry out under the environment in magnetic interference source upright opening, lateral aperture or inclined hole geostress survey time, the output valve of rotation angle measurement module instead magnetic measurement module completes test job.
10. direction-finding method according to claim 9, is characterized in that, described magnetic interference source is iron ore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410287664.0A CN105203071B (en) | 2014-06-24 | 2014-06-24 | A kind of direction-finding device and direction-finding method for geostress survey |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410287664.0A CN105203071B (en) | 2014-06-24 | 2014-06-24 | A kind of direction-finding device and direction-finding method for geostress survey |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105203071A true CN105203071A (en) | 2015-12-30 |
| CN105203071B CN105203071B (en) | 2018-04-20 |
Family
ID=54950882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410287664.0A Active CN105203071B (en) | 2014-06-24 | 2014-06-24 | A kind of direction-finding device and direction-finding method for geostress survey |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105203071B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607232A (en) * | 2017-09-07 | 2018-01-19 | 张重远 | A kind of method for continuous measuring and system of earth's crust rock plane stress |
| CN110313973A (en) * | 2019-07-05 | 2019-10-11 | 北京积水潭医院 | Long bone rotary osteotomy operation angle measurement system and data processing method |
| CN117189092A (en) * | 2023-08-16 | 2023-12-08 | 中国矿业大学 | Soft rock ground stress testing method based on drilling cuttings particle size distribution |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040056567A1 (en) * | 2002-09-20 | 2004-03-25 | Menzel Christoph P. | Bending actuators and sensors constructed from shaped active materials and methods for making the same |
| CN101482409A (en) * | 2009-02-09 | 2009-07-15 | 吴志刚 | Rock fissure direction and obliquity measuring method |
| CN201417146Y (en) * | 2009-06-05 | 2010-03-03 | 天地科技股份有限公司 | Digital direction finder |
| CN201724764U (en) * | 2010-07-20 | 2011-01-26 | 中国地震局地壳应力研究所 | Multi-channel ground stress data collection instrument |
| CN202442822U (en) * | 2012-01-14 | 2012-09-19 | 天地科技股份有限公司 | Orientator for rock stress testing device |
| CN103063335A (en) * | 2013-01-11 | 2013-04-24 | 福建岩土工程勘察研究院 | Three-dimensional geological survey testing method of deep portion crustal stress based on loading monitoring data |
-
2014
- 2014-06-24 CN CN201410287664.0A patent/CN105203071B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040056567A1 (en) * | 2002-09-20 | 2004-03-25 | Menzel Christoph P. | Bending actuators and sensors constructed from shaped active materials and methods for making the same |
| CN101482409A (en) * | 2009-02-09 | 2009-07-15 | 吴志刚 | Rock fissure direction and obliquity measuring method |
| CN201417146Y (en) * | 2009-06-05 | 2010-03-03 | 天地科技股份有限公司 | Digital direction finder |
| CN201724764U (en) * | 2010-07-20 | 2011-01-26 | 中国地震局地壳应力研究所 | Multi-channel ground stress data collection instrument |
| CN202442822U (en) * | 2012-01-14 | 2012-09-19 | 天地科技股份有限公司 | Orientator for rock stress testing device |
| CN103063335A (en) * | 2013-01-11 | 2013-04-24 | 福建岩土工程勘察研究院 | Three-dimensional geological survey testing method of deep portion crustal stress based on loading monitoring data |
Non-Patent Citations (3)
| Title |
|---|
| 张永双 等: "高黎贡山深埋隧道地应力特征及岩爆模拟试验", 《岩石力学与工程学报》 * |
| 郭啟良 等: "川西某水电工程气垫调压室原地应力及相关岩体特性参数的测量与应用分析", 《岩石力学与工程学报》 * |
| 陈群策 等: "原生裂隙对水压致裂应力测量结果的影响", 《岩土工程学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607232A (en) * | 2017-09-07 | 2018-01-19 | 张重远 | A kind of method for continuous measuring and system of earth's crust rock plane stress |
| CN110313973A (en) * | 2019-07-05 | 2019-10-11 | 北京积水潭医院 | Long bone rotary osteotomy operation angle measurement system and data processing method |
| CN117189092A (en) * | 2023-08-16 | 2023-12-08 | 中国矿业大学 | Soft rock ground stress testing method based on drilling cuttings particle size distribution |
| CN117189092B (en) * | 2023-08-16 | 2024-04-09 | 中国矿业大学 | Soft rock ground stress testing method based on drilling cuttings particle size distribution |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105203071B (en) | 2018-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103472498B (en) | The die test new method of hydrofracturing In-situ stress measurements | |
| CN105696540A (en) | Measuring method and device for foundation pit deep horizontal displacement and underground water level | |
| CN105066950B (en) | Drilling machine deflection monitoring method | |
| CN203669861U (en) | Drill hole imaging device | |
| CN105203071A (en) | Direction finding device and direction finding method used for geostress survey | |
| CN204027551U (en) | A kind of dynamic rotary attitude measuring for drilling well | |
| CN207742328U (en) | A kind of forest-tree three-dimensional position measuring instrument | |
| CN203022725U (en) | Tester for testing stress of pipe pile | |
| CN201277027Y (en) | Independent orienting locator of horizontal guiding drill | |
| CN104964688A (en) | Coal mining machine explosion-prevention positioning apparatus based on strapdown inertial navigation, and calibration method thereof | |
| CN205577979U (en) | It is mining along with boring measurement system | |
| CN103266853B (en) | Drill rod orientation method and device on basis of single-pulse magnetic moment measurement | |
| CN103063190A (en) | Shield machine attitude measuring device | |
| CN104060983B (en) | Wired earth magnetism is with drill guide instrument and measuring method | |
| CN203594445U (en) | Drilling orbit measuring instrument | |
| CN105180889B (en) | A kind of dynamic rotary attitude measuring and method for drilling well | |
| CN203024757U (en) | Attitude measuring device of shield tunneling machine | |
| CN204716227U (en) | With brill inclination measurement device | |
| CN205477594U (en) | Along with boring inclinometer | |
| CN201417146Y (en) | Digital direction finder | |
| CN210105846U (en) | Hydraulic fracturing in-situ stress measurement wireless automatic logging system | |
| CN204738809U (en) | Permanent electron pressure meter in pit that is fit for CCS | |
| CN203961957U (en) | Wired earth magnetism is with drill guide instrument | |
| CN104912543A (en) | Deviational survey while drilling device | |
| CN202837560U (en) | Geophone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.1 anningzhuang Road, Haidian District, Beijing Patentee after: National natural disaster prevention and Control Research Institute, Ministry of emergency management Address before: 100085 Beijing, Haidian District, Xisanqi Patentee before: THE INSTITUTE OF CRUSTAL DYNAMICS, CHINA EARTHQUAKE ADMINISTRATION |