CN111322033A - Underground valve control system and method based on voice recognition - Google Patents
Underground valve control system and method based on voice recognition Download PDFInfo
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- CN111322033A CN111322033A CN202010267410.8A CN202010267410A CN111322033A CN 111322033 A CN111322033 A CN 111322033A CN 202010267410 A CN202010267410 A CN 202010267410A CN 111322033 A CN111322033 A CN 111322033A
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- sound
- module
- valve
- drill rod
- testing
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0244—Tests performed "in situ" or after "in situ" use
Abstract
The invention discloses a downhole valve control system based on voice recognition, which comprises: the system comprises a control signal sound generating system, a sound collecting system, a sound signal processing module, a feature extracting module, a sound identifying module, a triggering module, a time delay module and a pipeline switching module; the invention can fully volatilize the characteristic that the drill rod can transmit sound, utilizes the sound identification technology to control and convert the underground valve, keeps the characteristic of compact structure of the single-pipe method testing equipment, and avoids the defects of low reliability and more misoperation. The deep drilling hole testing device can realize simple, convenient, effective and reliable testing on the deep drilling hole. The voice recognition technology is utilized to overcome the defects of the traditional device and the testing method, such as the defect of poor operability of the traditional mechanical control single-tube method, poor applicability of the double-tube method and complex process, and realize simple, convenient, effective and reliable testing of deep drilling.
Description
Technical Field
The invention belongs to the technical field of rock mechanics tests, and particularly relates to a downhole valve control system and method based on sound recognition.
Background
The principle of the hydrofracturing ground stress test is that a pair of expandable rubber packers is utilized to seal a section of drill hole after injection and expansion at a preset test depth, then liquid is pumped in to apply pressure to the section of drill hole to cause rock mass to break, and the ground stress is calculated according to a pressure characteristic value of a fracturing process curve. At present, a single-pipe method (figure 1) for switching injection and compression channels by a drill rod lifting control valve is mostly adopted in a traditional hydraulic fracturing method ground stress test pipeline system, or a double-pipe method (figure 2) for respectively pressurizing a rubber packer and a test section by directly adopting two pipelines is adopted. For ultra-deep drilling, the single-pipe method adopting a mechanical method of drill rod lifting control has low reliability and more misoperation; the dual-pipe method of adopting oil pipe ligature in drilling mode is troublesome to operate, receives the restriction in drilling and drilling rod clearance in addition, gets the drilling rod to the rope that the aperture is less or the diameter is great, and the dual-pipe method is not applicable.
Therefore, to overcome the shortcomings of the conventional mechanical control single pipe method, a downhole valve control system and method based on voice recognition are proposed to solve the above-mentioned problems in the background art.
Disclosure of Invention
It is an object of the present invention to provide a downhole valve control system and method based on voice recognition to solve the problems set forth in the background above.
The invention discloses a voice recognition-based underground valve control system and method, which are characterized in that a circuit system with a voice recognition function is arranged in an underground control mode to control two electromagnetic valves (a normally open electromagnetic valve and a normally closed electromagnetic valve) which work in opposite states at the same time so as to realize the control and the conversion of an underground valve of a ground stress testing system.
A downhole valve control system based on voice recognition, comprising: the system comprises a control signal sound generating system, a sound collecting system, a sound signal processing module, a feature extracting module, a sound identifying module, a triggering module, a time delay module and a pipeline switching module;
the control signal sound generation system is used for controlling signal sound generation, sound generated when the heavy hammer strikes the drill rod is used as a signal and a starting source for pipeline system conversion, the sound characteristic is obvious, and misoperation caused by mechanical vibration noise in a test area is avoided;
the sound acquisition system is used for acquiring sound data transmitted to the bottom of the well by the drill rod and performing analog-to-digital conversion;
the sound signal processing module and the feature extraction module are respectively used for carrying out various processing on the data sent by the sound acquisition module and extracting corresponding features;
the sound recognition module is used for comparing the characteristics sent by the sound signal processing module and the characteristic extraction module with the sound characteristics stored in the database and generated when the normal heavy hammer strikes the drill rod, and calculating the similarity of the characteristics to determine whether the characteristics are valve control signals;
the trigger module is used for generating a trigger signal when the collected sound data characteristics are consistent with the sound characteristics of a normal heavy hammer slamming drill rod stored in the database, simultaneously switching two electromagnetic valves with opposite states, starting the time delay module for timing, and switching the working state of the electromagnetic valve to the original state when the timing of the time delay module is finished;
the delay module is set to have a delay timing of 20 minutes, and when the two electromagnetic valves in the opposite states are switched, the 20 minutes are utilized to complete the fracturing test of the test section.
The invention also provides a control method of the underground valve control system based on the voice recognition, which specifically comprises the following steps:
s1, setting a threshold value of the detection sound energy, collecting sound when the environment sound energy is larger than the threshold value,
s2, collecting the sound generated by the hammer striking the drill rod, carrying out analog-to-digital conversion on the sound, extracting the sound characteristic of the sound, and storing the sound characteristic in a database as a target sound characteristic;
s3, placing the control system and the assembled ground stress equipment at a specified testing depth, opening a valve of an electromagnetic valve 1, closing a valve of an electromagnetic valve 2, injecting pressure to a rubber packer by a pressure pump through a drill rod through the electromagnetic valve 1, and expanding the rubber packer to form a section of closed hole section;
s4, a heavy hammer strikes the drill rod, sound is transmitted to the underground through the drill rod, the sound acquisition module is started to acquire the sound, the sound characteristics of the sound are analyzed through the signal processing and characteristic extraction module, the working state of the valve is triggered to be changed when the target sound characteristics are compared and consistent, the valve of the electromagnetic valve 1 is closed, the valve of the electromagnetic valve 2 is opened, and the time delay module starts to time;
s5, performing fracturing test on the test section through the drill rod, and recording the pressure time data of the test section, wherein the test is generally finished within 15 minutes;
s6, when the timing of the delay module is finished, the trigger device restores the working state of the valve, the valve of the electromagnetic valve 1 is opened, the valve of the electromagnetic valve 2 is closed, the rubber packer relieves the pressure of the high-pressure liquid in the rubber packer through the drill rod, and the rubber packer retracts to the original state to contact the separation state of the test section;
and S7, moving the device to other testing sections for continuous testing.
Compared with the prior art, the invention has the beneficial effects that: the underground valve control system and method based on the voice recognition can fully volatilize the characteristic that the drill rod can transmit the voice, control and conversion are carried out on the underground valve by utilizing the voice recognition technology, the characteristic that a single-pipe method test device is compact in structure is reserved, and the defects of low reliability and multiple misoperation are overcome. The deep drilling hole testing device can realize simple, convenient, effective and reliable testing on the deep drilling hole.
The voice recognition technology is utilized to overcome the defects of the traditional device and the testing method, such as the defect of poor operability of the traditional mechanical control single-tube method, poor applicability of the double-tube method and complex process, and realize simple, convenient, effective and reliable testing of deep drilling.
Drawings
FIG. 1 is a schematic view of a single-tube process using a drill stem lift control valve to switch injection channels;
FIG. 2 is a schematic diagram of a two-pipe process for separately pressurizing a rubber packer and a test section using two pipes;
FIG. 3 is a schematic view of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 3, the embodiment is as follows:
a downhole valve control system based on voice recognition, comprising: the system comprises a control signal sound generating system, a sound collecting system, a sound signal processing module, a feature extracting module, a sound identifying module, a triggering module, a time delay module and a pipeline switching module;
the control signal sound generation system is used for controlling signal sound generation, sound generated when the heavy hammer strikes the drill rod is used as a signal and a starting source for pipeline system conversion, the sound characteristic is obvious, and misoperation caused by mechanical vibration noise in a test area is avoided;
the sound acquisition system is used for acquiring sound data transmitted to the bottom of the well by the drill rod and performing analog-to-digital conversion;
the sound signal processing module and the feature extraction module are respectively used for carrying out various processing on the data sent by the sound acquisition module and extracting corresponding features;
the sound recognition module is used for comparing the characteristics sent by the sound signal processing module and the characteristic extraction module with the sound characteristics stored in the database and generated when the normal heavy hammer strikes the drill rod, and calculating the similarity of the characteristics to determine whether the characteristics are valve control signals;
the trigger module is used for generating a trigger signal when the collected sound data characteristics are consistent with the sound characteristics of a normal heavy hammer slamming drill rod stored in the database, simultaneously switching two electromagnetic valves with opposite states, starting the time delay module for timing, and switching the working state of the electromagnetic valve to the original state when the timing of the time delay module is finished;
the delay module is set to have a delay timing of 20 minutes, and when the two electromagnetic valves in the opposite states are switched, the 20 minutes are utilized to complete the fracturing test of the test section.
The invention also provides a control method of the underground valve control system based on the voice recognition, which specifically comprises the following steps:
s1, setting a threshold value of the detection sound energy, collecting sound when the environment sound energy is larger than the threshold value,
s2, collecting the sound generated by the hammer striking the drill rod, carrying out analog-to-digital conversion on the sound, extracting the sound characteristic of the sound, and storing the sound characteristic in a database as a target sound characteristic;
s3, placing the control system and the assembled ground stress equipment at a specified testing depth, opening a valve of an electromagnetic valve 1, closing a valve of an electromagnetic valve 2, injecting pressure to a rubber packer by a pressure pump through a drill rod through the electromagnetic valve 1, and expanding the rubber packer to form a section of closed hole section;
s4, a heavy hammer strikes the drill rod, sound is transmitted to the underground through the drill rod, the sound acquisition module is started to acquire the sound, the sound characteristics of the sound are analyzed through the signal processing and characteristic extraction module, the working state of the valve is triggered to be changed when the target sound characteristics are compared and consistent, the valve of the electromagnetic valve 1 is closed, the valve of the electromagnetic valve 2 is opened, and the time delay module starts to time;
s5, performing fracturing test on the test section through the drill rod, and recording the pressure time data of the test section, wherein the test is generally finished within 15 minutes;
s6, when the timing of the delay module is finished, the trigger device restores the working state of the valve, the valve of the electromagnetic valve 1 is opened, the valve of the electromagnetic valve 2 is closed, the rubber packer relieves the pressure of the high-pressure liquid in the rubber packer through the drill rod, and the rubber packer retracts to the original state to contact the separation state of the test section;
and S7, moving the device to other testing sections for continuous testing.
Compared with the prior art, the device can fully volatilize the characteristic that the drill rod can transmit sound, utilizes the sound identification technology to control and convert the underground valve, keeps the characteristic of compact structure of the single-pipe method test equipment, and avoids the defects of low reliability and more misoperation. The deep drilling hole testing device can realize simple, convenient, effective and reliable testing on the deep drilling hole.
The voice recognition technology is utilized to overcome the defects of the traditional device and the testing method, such as the defect of poor operability of the traditional mechanical control single-tube method, poor applicability of the double-tube method and complex process, and realize simple, convenient, effective and reliable testing of deep drilling.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (2)
1. A downhole valve control system based on voice recognition, comprising: the system comprises a control signal sound generating system, a sound collecting system, a sound signal processing module, a feature extracting module, a sound identifying module, a triggering module, a time delay module and a pipeline switching module;
the control signal sound generating system is used for controlling signal sound generation, and sound generated when the heavy hammer strikes the drill rod is used as a signal and a starting source for pipeline system conversion;
the sound acquisition system is used for acquiring sound data transmitted to the bottom of the well by the drill rod and performing analog-to-digital conversion;
the sound signal processing module and the feature extraction module are respectively used for carrying out various processing on the data sent by the sound acquisition module and extracting corresponding features;
the sound recognition module is used for comparing the characteristics sent by the sound signal processing module and the characteristic extraction module with the sound characteristics stored in the database and generated when the normal heavy hammer strikes the drill rod, and calculating the similarity of the characteristics to determine whether the characteristics are valve control signals;
the trigger module is used for generating a trigger signal when the collected sound data characteristics are consistent with the sound characteristics of a normal heavy hammer slamming drill rod stored in the database, simultaneously switching two electromagnetic valves with opposite states, starting the time delay module for timing, and switching the working state of the electromagnetic valve to the original state when the timing of the time delay module is finished;
the delay module is set to have a delay timing of 20 minutes, and when the two electromagnetic valves in the opposite states are switched, the 20 minutes are utilized to complete the fracturing test of the test section.
2. A method of controlling a downhole valve control system based on voice recognition according to claim 1, wherein: the method specifically comprises the following steps:
s1, setting a threshold value of the detection sound energy, collecting sound when the environment sound energy is larger than the threshold value,
s2, collecting the sound generated by the hammer striking the drill rod, carrying out analog-to-digital conversion on the sound, extracting the sound characteristic of the sound, and storing the sound characteristic in a database as a target sound characteristic;
s3, placing the control system and the assembled ground stress equipment at a specified testing depth, opening a valve of an electromagnetic valve 1, closing a valve of an electromagnetic valve 2, injecting pressure to a rubber packer by a pressure pump through a drill rod through the electromagnetic valve 1, and expanding the rubber packer to form a section of closed hole section;
s4, a heavy hammer strikes the drill rod, sound is transmitted to the underground through the drill rod, the sound acquisition module is started to acquire the sound, the sound characteristics of the sound are analyzed through the signal processing and characteristic extraction module, the working state of the valve is triggered to be changed when the target sound characteristics are compared and consistent, the valve of the electromagnetic valve 1 is closed, the valve of the electromagnetic valve 2 is opened, and the time delay module starts to time;
s5, performing fracturing test on the test section through the drill rod, and recording the pressure time data of the test section, wherein the test is generally finished within 15 minutes;
s6, when the timing of the delay module is finished, the trigger device restores the working state of the valve, the valve of the electromagnetic valve 1 is opened, the valve of the electromagnetic valve 2 is closed, the rubber packer relieves the pressure of the high-pressure liquid in the rubber packer through the drill rod, and the rubber packer retracts to the original state to contact the separation state of the test section;
and S7, moving the device to other testing sections for continuous testing.
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| CN202010267410.8A CN111322033A (en) | 2020-04-08 | 2020-04-08 | Underground valve control system and method based on voice recognition |
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| CN202010267410.8A CN111322033A (en) | 2020-04-08 | 2020-04-08 | Underground valve control system and method based on voice recognition |
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