CN105986810A - Dipole transverse wave far detecting instrument - Google Patents
Dipole transverse wave far detecting instrument Download PDFInfo
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- CN105986810A CN105986810A CN201510050162.0A CN201510050162A CN105986810A CN 105986810 A CN105986810 A CN 105986810A CN 201510050162 A CN201510050162 A CN 201510050162A CN 105986810 A CN105986810 A CN 105986810A
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Abstract
The invention discloses a dipole transverse wave far detecting instrument. The dipole transverse wave far detecting instrument mainly comprises a dipole transverse wave transmitting sound system, a transmitting electronic circuit, a sound isolator short piece, a dipole transverse wave array receiving sound system and a communication and control circuit. The dipole transverse wave transmitting sound system is used for boosting a high-voltage pulse signal from the transmitting electronic circuit and adding the high-voltage pulse signal to a dipole transmitting transducer to finish transmitting of a dipole transverse wave signal; the transmitting electronic circuit controlled by the dipole transverse wave array receiving sound system generates a transmitting logic and transmitting high voltage and monitors the transmitting high voltage; the sound isolator short piece is used for effectively isolating and attenuating direct wave; the dipole transverse wave array receiving sound system carrying out pre-amplification and filtering on a sound wave signal from an array receiving transducer according to a communication and control circuit generation transmitting and receiving logic time sequence; and the communication and control circuit is used for digitally processing communication between the underground and a ground well logging system and signals to obtain stratum information such as construction and trend of a geologic body away from a well.
Description
Technical field
The invention belongs to applied geophysics logger technical field, specifically, the present invention is a kind of long-range detection dipole array acoustic logging instrument, utilizes the transmitting of dipole shear wave and receives with the geological structure in detecting shaft week stratum or anomalous body.
Prior art
The most remote detection logging technique two kinds of methods sound, electric, electrical method far detects is launched low-frequency electromagnetic wave by the instrument in well to stratum, the resistivity anomaly caused in order to the difference of geological anomalous body around detecting shaft Yu background geology resistivity, but the resolution of low-frequency electromagnetic wave is the lowest, thus electrical method far detect often can only the existence of perception anomalous body and not can determine that its position.
Acoustic category exploration and development technology comparative maturity at present, but conventional acoustic logger investigation depth is shallower, and seismic prospecting resolution is excessively low, sound wave far detects logging technique can make up both deficiencies well.
The remote Detection Techniques of sound wave divide one pole compressional wave and dipole shear wave two kinds.The frequency of one pole compressional wave is typically at about 10kHz, and the SATT of upper frequency causes its investigative range limited the most slowly, and the scope of several meters to ten several meters, further, since the sound source radiation of one pole is non-directional, thus the method not can determine that the orientation of reflector.It is a kind of novel Detection Techniques that dipole shear wave far detects, and its dipole emission transducer frequency is about 1kHz～4kHz.The difficulty that dipole shear wave far detects, sound wave is radiated outside well by well, and is reflected back to the reception of downhole receiving device, and this acoustic signals is a signal the faintest, and its amplitude is only that the tens of transmitting is arrived hundreds of, the most several one thousandths.This small-signal is often submerged among the data noise of acoustic logging, it is difficult to measures and processes.
The well logging of the domestic middle oil Bohai Sea was carried out one pole compressional wave and was far visited the design of instrument, Detection Techniques remote for dipole shear wave are in theoretical research stage both at home and abroad, University of Petroleum Tang Xiaoming et al. is engaged in theory and the algorithm research of this respect, but is showed no correlation technique with domestic in the world in terms of instrument design.
Summary of the invention
It is an object of the invention to for acoustic detecting well instrument investigation depth shallower, and seismic prospecting resolution is inadequate, the problem that the remote detection instrument of dipole shear wave there is no maturation, proposing one utilizes dipole transmitting transducer to launch low frequency shear wave signal entrance stratum, and the weak acoustic signal reflected through stratum and anomalous body by detection determines the remote detection instrument of dipole shear wave of formation information and anomalous body distribution and trend.
The dipole shear wave remote detection instrument technical scheme of invention is:
Mainly by dipole shear wave launch sonic system, launch electronic circuit, acoustic isolater pipe nipple, dipole shear wave array received sonic system, communication form with control circuit five part；Wherein: dipole shear wave is launched sonic system and is mainly made up of dipole emission transducer and high pressure transmitting transformator；Emission control electronic circuit is mainly made up of power supply, high voltage stabilizing, transmitting energy storage, emission control, X transmitting, Y transmitting and launch monitor；Acoustic isolater pipe nipple is made up of more piece sound insulation high intensity connector；Dipole shear wave array received sonic system is mainly made up of road of discharging before receiving transducer and signal；Communication is mainly made up of power module, communication interface module, digital signal processing module with controlling circuit；nullIts workflow is teletype command under ground logging system，Instruction decoding is carried out in control circuit through cable entry communication，Formed according to decoded result and launch and receive logic control signal，It is respectively transmitted and recovers module to signal logic in dipole shear wave array received sonic system，Controlled to launch electronic circuit by this module and realize the emission control of electrode couple shear wave transmitting sonic system，Dipole shear wave is launched the dipole transducer in sonic system and is launched the acoustic signals of two kinds of mid frequencyes respectively from two position four directions，Acoustical signal after transmitting enters stratum，After earth-attenuation and phase shift，Received transducer by group dipoles many in dipole shear wave array received sonic system to be received、Amplify、Filter and upload to communication and carry out signal condition with controlling circuit、Analog digital conversion，Enter to encode after processor is digitized processing and upload ground logging system through cable，Then the transmitting launched with receive logic control signal control sound wave is formed according to result automatic or manual、Receive and gather.
Such scheme also includes:
Described dipole shear wave is launched the transmitting transducer of sonic system and is included two groups, and spacing is 4 feet, and mid frequency is respectively 1KHz and 4KHz；Often group includes one piece of low frequency 1KHz transmitting transducer of X-direction and two pieces of high frequency 4KHz transmitting transducers, one piece of low frequency 1KHz transmitting transducer of Y-direction and two pieces of high frequency 4KHz transmitting transducers, wherein orthogonal between X and the low frequencies transducer of Y-direction, orthogonal between X and the high-frequency emission transducer of Y-direction；High pressure transmitting transformator is by two groups, and respectively X launches high voltage step-up with the high-frequency emission transducer of Y-direction with low frequencies transducer；Low frequencies transducer is positioned at the bottom of acoustic emission sonic system, and high-frequency emission transducer is positioned at the top of acoustic emission sonic system;
The power supply of described emission control electronic circuit provides unidirectional current to whole transmitting electronic circuit；High voltage stabilizing utilizes pulse-width modulation circuit, the unidirectional current from power supply is converted into reliable and stable high-voltage dc pulse supply and is positioned at the high pressure transmitting transformator that dipole shear wave is launched in sonic system；Launch energy storage to compensate energy in time is to launch to prepare next time；Emission control receives and explains from communication and control circuit transmitting logic after the signal logic in dipole shear wave array received sonic system recovers module recovery and timing control signal, controls to launch sequential, and uploads launch monitor parameter；X is emitted as X-direction dipole transducer and launches the generation of high pressure；Y is emitted as Y-direction dipole transducer and launches the generation of high pressure；Launch monitor includes in voltage, electric current, temperature emission parameter incoming emission control for monitoring transmitting;
The reception transducer of described dipole shear wave array received sonic system is many groups, often group transducer is made up of the reception transducer of two X-directions and two Y-directions respectively, two of which X-direction receives transducer and is parallel to each other, the reception transducer of two Y-directions is parallel to each other, and X-direction is mutually perpendicular to the transducer of Y-direction；Before signal, electric discharge road includes that signal amplifies and signal logic recovers, wherein signal amplifying part is divided remote reflecting small acoustical signal from receive transducer and carry out low noise, high-fidelity programming amplifying, filter, buffer, signal logic recovers to recover and implement, with reception logic control, programming amplifying and the filtering dividing signal amplifying part with controlling launching in circuit to from communication, and reaches transmitting electronic circuit launching under logic;
Described communication and the power module output low-voltage dc power supply controlling circuit；Communication interface module and ground logging system communication, receive ground logging system instruction to be decoded performing, produce emissioning controling signal, control to launch electronic circuit and produce high-voltage pulse, produce and receive timing control signal, control dipole shear wave array received sonic system and receive faint dipole acoustical signal；Digital signal processing module is made up of multiple signal conditions, multiple 24 high speed analog-to-digital conversion, mass data storage and DSP&FPGA processing controls, preamplification signal entering signal from dipole shear wave array received sonic system is nursed one's health, enter in 24 high speed analog-to-digital conversion and change, transformation result enters DSP&FPGA processing controls and processes, and uploads to ground logging system after being driven by communication interface module coding while being then stored in mass data storage.
Such scheme farther includes:
Described communication and control circuit, dipole shear wave array received sonic system, acoustic isolater pipe nipple, dipole shear wave launch sonic system, transmitting electronic circuit passes sequentially through upper connection according to order from top to bottom and lower connector connects and composes instrument string；Wherein upper connection is made up of top connection, jump ring, multicore jack, multi-core socket, stage clip and multi-core socket overcoat, and lower connector is made up of lower contact, multi-pin connector, back-up ring.
Described communication and the power module controlled in circuit, communication interface module, signal condition, 24 high speed analog-to-digital conversion, mass data storage and DSP&FPGA processing controls are installed on the electronic circuit skeleton in sealing metal nacelle, and between the joint of upper and lower part；The electronic circuit skeleton that before the signal of described dipole shear wave array received sonic system, electric discharge road is installed in sealing metal nacelle, receives transducer and is arranged in the pressure balance body of full acoustic couplant, and between the joint of upper and lower part；The acoustic isolater of described acoustic isolater pipe nipple uses high intensity to connect grafting body composition, and between the joint of upper and lower part；Described dipole shear wave launches the transmitting transducer of sonic system, transmitting transformator is respectively positioned in the pressure balance body of full acoustic couplant, and between the joint of upper and lower part；The power supply of described transmitting electronic circuit, high voltage stabilizing, transmitting energy storage, emission control, X transmitting, Y transmitting, launch monitor are mounted in the electronic circuit skeleton in metal nacelle.
Invention effect
The remote detection instrument of dipole shear wave of the present invention uses sound source of the dipole to well emission dipole shear wave in well, and propagates or through earth-attenuation with by the well shear wave that geologic body reflects outward along the borehole wall at downhole receiving.Relatively low owing to launching frequency of sound wave, therefore there is deeper detection range, up to the scope of other 50 meters of well.Owing to the directivity of sound source of the dipole has directivity, therefore this instrument not only can determine that the position of geologic body, moreover it is possible to determines its orientation.Applying and have its advantage in terms of the unconventional stratum detecting of carbonate rock, volcanic rock, metamorphic rock and mud shale, and its effect in terms of the identification of crack and geological anomalous body highlights, explanation and the oil-gas reservoir identification of five ten meter plastids other to well play an important role.
This technology disclosure satisfy that: look-in frequency scope is 0.4～10KHz, temperature 175 DEG C, the conditions down-hole of pressure: 140MPa works more than 8 hours continuously, completes the data acquisition of dipole shear wave echo, completes the detection of the outer 50m anomalous body of well (velocity of wave is more than 3000m/s).
Accompanying drawing explanation
Accompanying drawing 1 dipole shear wave remote detection instrument overall structure simplified schematic diagram
Accompanying drawing 2 dipole shear wave launches sonic system schematic diagram
Electronic circuit schematic diagram launched by accompanying drawing 3
Accompanying drawing 4 acoustic isolater pipe nipple schematic diagram
Accompanying drawing 5 dipole shear wave array received sonic system schematic diagram
Accompanying drawing 6 communication and control conspectus
Accompanying drawing about 7 joint design schematic diagram
Accompanying drawing 8 framing structure schematic diagram
Accompanying drawing 9 dipole shear wave remote detection instrument operating diagram.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, the invention will be further described:
The remote detection instrument of dipole shear wave is made up of with control circuit 6 five part dipole shear wave transmitting sonic system 2, transmitting electronic circuit 3, acoustic isolater pipe nipple 4, dipole shear wave array received sonic system 5, communication, and its connected mode is as shown in accompanying drawing 1,9.
As shown in accompanying drawing 2,9, dipole shear wave is launched sonic system 2 and is made up of dipole emission transducer and high pressure transmitting transformator, wherein transmitting transducer includes two groups, spacing is 4 feet, mid frequency is respectively 1KHz and 4KHz, the most often group includes four transmitting transducers, wherein one piece of low frequency 1KHz of X-direction 201 or two pieces of high frequency 4KHz 203,204, one piece of low frequency 1KHz of Y-direction 205 or two pieces of high frequency 4KHz 207,208, to reach the detection of two kinds of degree of depth near, remote, wherein 201 and 205, orthogonal between 203,204 with 207,208.High pressure launches transformator by two groups, four transformator 209,210,211,212 compositions, being respectively completed the transmitting high voltage step-up of four groups of transmitting transducers and mate work, wherein 210,212 are used for high-frequency emission high voltage step-up, and 209,211 are used for low frequencies high voltage step-up.1Khz transmitting transducer is positioned at the bottom of acoustic emission sonic system 2, and 4Khz transmitting transducer is positioned at the top of acoustic emission sonic system 2.Wherein transmitting transducer 201,203,204,205,207,208, launch in transformator 209,210,211,212 is respectively positioned on the pressure balance body of full acoustic couplant and are isolated with high temperature and high pressure environment in well.Dipole shear wave launches sonic system 2 upper connection as shown in Figure 7 is multicore female plug hole, it is connected with acoustic isolater 4 lower contact, its underpart joint is that multicore pressure-bearing public plug is connected with emission control electronic circuit 3 top connection, wherein upper connection is made up of top connection 74, jump ring 71, multicore jack 72, multi-core socket 73, stage clip 75 and multi-core socket overcoat 76, and lower connector is made up of lower contact 79, multi-pin connector 78, back-up ring 77.
As shown in accompanying drawing 3,9, emission control electronic circuit 3 is made up of power supply 31, high voltage stabilizing 32, transmitting energy storage 33, emission control 34, X transmitting 35, Y transmitting 36, launch monitor 37, and wherein power supply 31 provides unidirectional current to whole transmitting electronic circuit 3；High voltage stabilizing 32 utilizes pulse-width modulation circuit, the unidirectional current from power supply 31 is converted into reliable and stable high-voltage dc pulse supply and is positioned at the high pressure transmitting transformator that dipole shear wave is launched in sonic system 2；Launch energy storage 33 to compensate energy in time is to launch to prepare next time；Emission control 34 be responsible for receiving and explain from communication with control circuit 6 and be received the transmitting logic after signal logic recovers module recovery in sonic system 5 and timing control signal controls to launch sequential, and upload launch monitor parameter；X launches 35 generations being responsible for X-direction dipole transducer transmitting high pressure；Y launches 36 generations being responsible for Y-direction dipole transducer transmitting high pressure；Launch monitor 37 is responsible in the emission parameters such as monitoring emitting voltage, electric current, temperature incoming emission control 34.Wherein power supply 31, high voltage stabilizing 32, transmitting energy storage 33, emission control 34, X transmitting 35, Y transmitting 36, launch monitor 37 are respectively positioned in the metal nacelle of sealing and are isolated with high temperature and high pressure environment in well, its up-down structure as shown in Figure 7, launch sonic system 2 with dipole shear wave and be connected by emission control electronic circuit 3 top.As shown in Figure 8, power supply 31, high voltage stabilizing 32, launch energy storage 33, emission control 34, X launch 35, Y launches 36, launch monitor 37 is respectively arranged in electronic circuit skeleton 8, wherein 81 metallic frameworks, 82 be installing hole.
As shown in Figure 4, acoustic isolater 4 is made up of more piece sound insulation high intensity connector 41, use high intensity to connect grafting body 42 while being effectively isolated direct wave and strengthen intensity to adapt to the complicated construction in instrument down-hole and logging requirements, acoustic isolater 4 top is connected with dipole shear wave array received sonic system 5 lower contact, the top connection that sonic system 2 is launched with dipole shear wave in bottom is connected, and its up-down structure is as shown in Figure 7.
As shown in accompanying drawing 5,9, dipole shear wave array received sonic system 5 is made up of road 51 of discharging before receiving transducer 50 and signal.Wherein receive transducer 50 to be made up of many group reception transducers.Receiving transducer is high sensitivity piezoelectric ceramic transducer, it can detect the faint shear wave acoustical signal of relatively remote reflection, frequency band is stable, concordance good, investigative range is 0.4～10KHz, heatproof 175 DEG C, pressure 140MPa, often group transducer is made up of the reception transducer of two X-directions and two Y-directions respectively, two of which X-direction receives transducer and is parallel to each other, and the reception transducer of two Y-directions is parallel to each other, and X-direction is mutually perpendicular to the transducer of Y-direction.Before signal, electric discharge road 51 includes that signal amplification 510 and signal logic recover 511 compositions, wherein signal amplifying part is divided and has been responsible for remote reflecting small acoustical signal from receive transducer and carry out low noise, high-fidelity programming amplifying, filter, buffer, signal logic recovers 511 and is responsible for recovering and implement, with receiving logic control, programming amplifying and the filtering dividing signal amplifying part with the transmitting controlling in circuit 6 to from communication, and reaches transmitting electronic circuit 3 under logic launching.Road 51 of wherein discharging before signal is positioned in the metal nacelle of sealing and is isolated with well high temperature and high pressure environment, and its up-down structure is as shown in Figure 7.Reception transducer 50 is positioned at the pressure balance body of full acoustic couplant and is isolated with well high temperature and high pressure environment, and its top is electric discharge road 51 before signal, and bottom is acoustic isolater 4.Before signal, electric discharge road 51 is installed on electronic circuit skeleton 8, and its top is connected with controlling circuit 6 with communication, and bottom is connected with receiving transducer 50, and its connected mode is shown in accompanying drawing 7.
As shown in accompanying drawing 6,9, the offer low-voltage dc power supplies such as communication is made up of power module 61, communication interface module 62, digital signal processing module with controlling circuit 6, and power module 61 is communication interface module 62, digital signal processing module；Communication interface module 62 realizes and ground logging system 1 communication, receive ground logging system 1 instruction to be decoded performing, produce emissioning controling signal, control to launch electronic circuit 3 and produce high-voltage pulse, produce and receive timing control signal, control dipole shear wave array received sonic system 5 and receive faint dipole acoustical signal；Digital signal processing module is made up of multiple signal conditions 65, multiple 24 high speed analog-to-digital conversion 66, mass data storage 64 and DSP&FPGA processing controls 63, preamplification signal entering signal from dipole shear wave array received sonic system 5 is nursed one's health 65 by convertible for signal condition to ad scope, change subsequently in 24 high speed analog-to-digital conversion 66, transformation result enters DSP&FPGA processing controls 63 and processes, and uploads to ground logging system 1 while being then stored in mass data storage 64 after being encoded driving by communication interface module 62.Wherein power module 61, communication interface module 62,65,24 high speed analog-to-digital conversion 66 of signal condition, mass data storage 64 and DSP&FPGA processing controls 63 are respectively positioned in the metal nacelle of sealing and are isolated with high temperature and high pressure environment in well, its up-down structure as shown in Figure 7, is connected with dipole shear wave array received sonic system 5 bottom it.As shown in Figure 8, power module 61, communication interface module 62,65,24 high speed analog-to-digital conversion 66 of signal condition, mass data storage 64 and DSP&FPGA processing controls 63 are respectively arranged in electronic circuit skeleton 8.
It is embodied as flow process:
The remote detection instrument of dipole shear wave measure time have multiple measurement pattern, different measurement patterns is launched, receive transducer excite combination sequential, gain control mode, postpone the most different, its primary measurement mode is complete detection mode.Cable is first passed through to the remote detection instrument of dipole shear wave for alternating current before measurement, alternating current is respectively converted into the DC source needed for electronic circuit by supply module 31 and 61, this DC source be respectively emission control electronic circuit 3 and communication and control circuit 6 and provide power supply needed for work.nullAfter power supply，Set up the communication between ground logging system and the remote detection instrument of dipole shear wave，Then instrument working method is passed under ground logging system、Gain、Parameter is measured in delays etc.，It is decoded in control circuit 6 through cable entry communication，Dipole shear wave remote detection instrument dipole emission is generated by communication with controlling circuit 6 according to decoded result、Receive and gain control、The instrument specific works such as delay and control parameter，Module 511 is recovered with the signal logic that serial data mode sends in dipole shear wave array received sonic system 5 in signal amplification circuit 51，By this module, these serial datas are carried out serioparallel exchange、Decoding forms different hardware control logics，Wherein launch logic entrance transmitting electronic circuit 3 and realize the emission control of electrode couple shear wave transmitting sonic system 2，Control exciting and exciting sequential of transmitting transducer，Receive logic and enter amplification、Filter circuit completes programming amplifying and the filtering of signal.Dipole shear wave is launched the dipole transducer in sonic system 2 and is launched the acoustic signals of two mid frequencyes of 1KHZ and 4KHZ respectively from two position four directions, acoustical signal after transmitting enters stratum or is reflected by anomalous body, after decay and phase shift, it is received under the control receiving logic by dipole shear wave array received sonic system 5, amplify, filter and upload to communication and control circuit 6, carry out signal condition, analog digital conversion, enter processor to be digitized processing, coding drives and is uploaded to ground logging system through cable or is stored in the mass data storage 64 in communication and control circuit 6, communication with control circuit 6 and according to the signal after digitized processing to transmitting, the running parameters such as reception and gain control automatically configure, start the next working cycle.For perfect measurement pattern, its groundwork sequential is: instrument is in the target zone motor process of down-hole, acoustic signals launched by X-direction 4Khz dipole emission transducer, in dipole shear wave array received sonic system 5, many groups receive transducer and receive this signal simultaneously, after being amplified by electric discharge road 51 before signal, filtered, incoming communication carries out digital processing with controlling circuit 6, uploads ground logging system or be stored in the mass data storage 64 in communication and control circuit 6 after result coding；Acoustic signals launched by Y-direction 4Khz dipole emission transducer, in dipole shear wave array received sonic system 5, many groups receive transducer and receive this signal simultaneously, after being amplified by electric discharge road 51 before signal, filtered, incoming communication carries out digital processing with controlling circuit 6, uploads ground logging system or be stored in the mass data storage 64 in communication and control circuit 6 after result coding；Acoustic signals launched by X-direction 1Khz dipole emission transducer, in dipole shear wave array received sonic system 5, many groups receive transducer and receive this signal simultaneously, after being amplified by electric discharge road 51 before signal, filtered, incoming communication carries out digital processing with controlling circuit 6, uploads ground logging system or be stored in the mass data storage 64 in communication and control circuit 6 after result coding；Acoustic signals launched by Y-direction 1Khz dipole emission transducer, in dipole shear wave array received sonic system 5, many groups receive transducer and receive this signal simultaneously, after being amplified by electric discharge road 51 before signal, filtered, incoming communication carries out digital processing with controlling circuit 6, uploads ground logging system or be stored in the mass data storage 64 in communication and control circuit 6 after result coding；Thus complete the transmitting of dipole shear wave signal in a cycle, reception, data acquisition and procession, then begin to the transmitting of dipole shear wave signal of next cycle, reception, data acquisition and procession, until completing the measuring task of all target zones.
Claims (8)
1. the remote detection instrument of dipole shear wave, it is characterized in that mainly by dipole shear wave launch sonic system, launch electronic circuit, acoustic isolater pipe nipple, dipole shear wave array received sonic system, communication form with control circuit five part；Wherein: dipole shear wave is launched sonic system and is mainly made up of dipole emission transducer and high pressure transmitting transformator；Emission control electronic circuit is mainly made up of power supply, high voltage stabilizing, transmitting energy storage, emission control, X transmitting, Y transmitting and launch monitor；Acoustic isolater pipe nipple is made up of more piece sound insulation high intensity connector；Dipole shear wave array received sonic system is mainly made up of road of discharging before receiving transducer and signal；Communication is mainly made up of power module, communication interface module, digital signal processing module with controlling circuit；nullIts workflow is teletype command under ground logging system，Instruction decoding is carried out in control circuit through cable entry communication，Formed according to decoded result and launch and receive logic control signal，It is respectively transmitted and recovers module to signal logic in dipole shear wave array received sonic system，Controlled to launch electronic circuit by this module and realize the emission control of electrode couple shear wave transmitting sonic system，Dipole shear wave is launched the dipole transducer in sonic system and is launched the acoustic signals of two kinds of mid frequencyes respectively from two position four directions，Acoustical signal after transmitting enters stratum，After earth-attenuation and phase shift，Received transducer by group dipoles many in dipole shear wave array received sonic system to be received、Amplify、Filter and upload to communication and carry out signal condition with controlling circuit、Analog digital conversion，Enter to encode after processor is digitized processing and upload ground logging system through cable，Then the transmitting launched with receive logic control signal control sound wave is formed according to result automatic or manual、Receive and gather.
The remote detection instrument of dipole shear wave the most according to claim 1, is characterized in that: described dipole shear wave is launched the transmitting transducer of sonic system and included two groups, and spacing is 4 feet, and mid frequency is respectively 1KHz and 4KHz；Often group includes one piece of low frequency 1KHz transmitting transducer of X-direction and two pieces of high frequency 4KHz transmitting transducers, one piece of low frequency 1KHz transmitting transducer of Y-direction and two pieces of high frequency 4KHz transmitting transducers, wherein orthogonal between X and the low frequencies transducer of Y-direction, orthogonal between X and the high-frequency emission transducer of Y-direction；High pressure transmitting transformator is by two groups, and respectively X launches high voltage step-up with the high-frequency emission transducer of Y-direction with low frequencies transducer；Low frequencies transducer is positioned at the bottom of acoustic emission sonic system, and high-frequency emission transducer is positioned at the top of acoustic emission sonic system.
The remote detection instrument of dipole shear wave the most according to claim 1, is characterized in that: the power supply of described emission control electronic circuit provides unidirectional current to whole transmitting electronic circuit；High voltage stabilizing utilizes pulse-width modulation circuit, the unidirectional current from power supply is converted into reliable and stable high-voltage dc pulse supply and is positioned at the high pressure transmitting transformator that dipole shear wave is launched in sonic system；Launch energy storage to compensate energy in time is to launch to prepare next time；Emission control receives and explains from communication and control circuit transmitting logic after the signal logic in dipole shear wave array received sonic system recovers module recovery and timing control signal, controls to launch sequential, and uploads launch monitor parameter；X is emitted as X-direction dipole transducer and launches the generation of high pressure；Y is emitted as Y-direction dipole transducer and launches the generation of high pressure；Launch monitor includes in voltage, electric current, temperature emission parameter incoming emission control for monitoring transmitting.
The remote detection instrument of dipole shear wave the most according to claim 1, it is characterized in that: the reception transducer of described dipole shear wave array received sonic system is many groups, often group transducer is made up of the reception transducer of two X-directions and two Y-directions respectively, two of which X-direction receives transducer and is parallel to each other, the reception transducer of two Y-directions is parallel to each other, and X-direction is mutually perpendicular to the transducer of Y-direction；Before signal, electric discharge road includes that signal amplifies and signal logic recovers, wherein signal amplifying part is divided remote reflecting small acoustical signal from receive transducer and carry out low noise, high-fidelity programming amplifying, filter, buffer, signal logic recovers to recover and implement, with reception logic control, programming amplifying and the filtering dividing signal amplifying part with controlling launching in circuit to from communication, and reaches transmitting electronic circuit launching under logic.
The remote detection instrument of dipole shear wave the most according to claim 1, is characterized in that: described communication and the power module output low-voltage dc power supply controlling circuit；Communication interface module and ground logging system communication, receive ground logging system instruction to be decoded performing, produce emissioning controling signal, control to launch electronic circuit and produce high-voltage pulse, produce and receive timing control signal, control dipole shear wave array received sonic system and receive faint dipole acoustical signal；Digital signal processing module is made up of multiple signal conditions, multiple 24 high speed analog-to-digital conversion, mass data storage and DSP&FPGA processing controls, preamplification signal entering signal from dipole shear wave array received sonic system is nursed one's health, enter in 24 high speed analog-to-digital conversion and change, transformation result enters DSP&FPGA processing controls and processes, and uploads to ground logging system after being driven by communication interface module coding while being then stored in mass data storage.
The remote detection instrument of dipole shear wave the most according to claim 1, is characterized in that:
Described dipole shear wave is launched the transmitting transducer of sonic system and is included two groups, and spacing is 4 feet, and mid frequency is respectively 1KHz and 4KHz；Often group includes one piece of low frequency 1KHz transmitting transducer of X-direction and two pieces of high frequency 4KHz transmitting transducers, one piece of low frequency 1KHz transmitting transducer of Y-direction and two pieces of high frequency 4KHz transmitting transducers, wherein orthogonal between X and the low frequencies transducer of Y-direction, orthogonal between X and the high-frequency emission transducer of Y-direction；High pressure transmitting transformator is by two groups, and respectively X launches high voltage step-up with the high-frequency emission transducer of Y-direction with low frequencies transducer；Low frequencies transducer is positioned at the bottom of acoustic emission sonic system, and high-frequency emission transducer is positioned at the top of acoustic emission sonic system;
The power supply of described emission control electronic circuit provides unidirectional current to whole transmitting electronic circuit；High voltage stabilizing utilizes pulse-width modulation circuit, the unidirectional current from power supply is converted into reliable and stable high-voltage dc pulse supply and is positioned at the high pressure transmitting transformator that dipole shear wave is launched in sonic system；Launch energy storage to compensate energy in time is to launch to prepare next time；Emission control receives and explains from communication and control circuit transmitting logic after the signal logic in dipole shear wave array received sonic system recovers module recovery and timing control signal, controls to launch sequential, and uploads launch monitor parameter；X is emitted as X-direction dipole transducer and launches the generation of high pressure；Y is emitted as Y-direction dipole transducer and launches the generation of high pressure；Launch monitor includes in voltage, electric current, temperature emission parameter incoming emission control for monitoring transmitting;
The reception transducer of described dipole shear wave array received sonic system is many groups, often group transducer is made up of the reception transducer of two X-directions and two Y-directions respectively, two of which X-direction receives transducer and is parallel to each other, the reception transducer of two Y-directions is parallel to each other, and X-direction is mutually perpendicular to the transducer of Y-direction；Before signal, electric discharge road includes that signal amplifies and signal logic recovers, wherein signal amplifying part is divided remote reflecting small acoustical signal from receive transducer and carry out low noise, high-fidelity programming amplifying, filter, buffer, signal logic recovers to recover and implement, with reception logic control, programming amplifying and the filtering dividing signal amplifying part with controlling launching in circuit to from communication, and reaches transmitting electronic circuit launching under logic;
Described communication and the power module output low-voltage dc power supply controlling circuit；Communication interface module and ground logging system communication, receive ground logging system instruction to be decoded performing, produce emissioning controling signal, control to launch electronic circuit and produce high-voltage pulse, produce and receive timing control signal, control dipole shear wave array received sonic system and receive faint dipole acoustical signal；Digital signal processing module is made up of multiple signal conditions, multiple 24 high speed analog-to-digital conversion, mass data storage and DSP&FPGA processing controls, preamplification signal entering signal from dipole shear wave array received sonic system is nursed one's health, enter in 24 high speed analog-to-digital conversion and change, transformation result enters DSP&FPGA processing controls and processes, and uploads to ground logging system after being driven by communication interface module coding while being then stored in mass data storage.
7. according to the arbitrary described remote detection instrument of dipole shear wave of claim 1-6, it is characterized in that: described communication and control circuit, dipole shear wave array received sonic system, acoustic isolater pipe nipple, dipole shear wave launch sonic system, transmitting electronic circuit passes sequentially through upper connection according to order from top to bottom and lower connector connects and composes instrument string；Wherein upper connection is made up of top connection, jump ring, multicore jack, multi-core socket, stage clip and multi-core socket overcoat, and lower connector is made up of lower contact, multi-pin connector, back-up ring.
The remote detection instrument of dipole shear wave the most according to claim 7, it is characterized in that: described communication and the power module controlled in circuit, communication interface module, signal condition, 24 high speed analog-to-digital conversion, mass data storage and DSP&FPGA processing controls are installed on the electronic circuit skeleton in sealing metal nacelle, and between the joint of upper and lower part；The electronic circuit skeleton that before the signal of described dipole shear wave array received sonic system, electric discharge road is installed in sealing metal nacelle, receives transducer and is arranged in the pressure balance body of full acoustic couplant, and between the joint of upper and lower part；The acoustic isolater of described acoustic isolater pipe nipple uses high intensity to connect grafting body composition, and between the joint of upper and lower part；Described dipole shear wave launches the transmitting transducer of sonic system, transmitting transformator is respectively positioned in the pressure balance body of full acoustic couplant, and between the joint of upper and lower part；The power supply of described transmitting electronic circuit, high voltage stabilizing, transmitting energy storage, emission control, X transmitting, Y transmitting, launch monitor are mounted in the electronic circuit skeleton in metal nacelle.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605470A (en) * | 2017-07-17 | 2018-01-19 | 中国石油天然气集团公司 | A kind of wave path in length and breadth is to velocity variations imaging method |
| CN107765300A (en) * | 2017-09-29 | 2018-03-06 | 中国石油集团川庆钻探工程有限公司 | A kind of method that reflection wave is extracted in the data from dipole shear wave |
| CN107829730A (en) * | 2017-10-26 | 2018-03-23 | 中石化石油工程技术服务有限公司 | A kind of cross-hole acoustic logging system |
| CN107989604A (en) * | 2017-10-26 | 2018-05-04 | 中石化石油工程技术服务有限公司 | A kind of cross-hole acoustic logging transmitting probe |
| CN110067554A (en) * | 2019-06-06 | 2019-07-30 | 中油奥博(成都)科技有限公司 | Three-component sound wave far detects well logging apparatus and its measurement method in well |
| CN110863817A (en) * | 2019-12-03 | 2020-03-06 | 西南石油大学 | Ultrasonic borehole anti-collision monitoring system and monitoring method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201274210Y (en) * | 2008-05-28 | 2009-07-15 | 中国石油天然气集团公司 | Multipolar array acoustic transmission transformer assembly |
| CN201367903Y (en) * | 2009-02-24 | 2009-12-23 | 杭州瑞利声电技术公司 | Segmented bond tool |
| CN102508299A (en) * | 2011-09-29 | 2012-06-20 | 中国石油大学(华东) | Remote exploration method for transmitting and receiving dipole transverse waves in well |
| CN102828744A (en) * | 2012-08-28 | 2012-12-19 | 中国电子科技集团公司第二十二研究所 | Quadrupole-source short-source-range full-wave acoustic logging instrument |
| CN102889079A (en) * | 2012-10-16 | 2013-01-23 | 中国电子科技集团公司第二十二研究所 | Acoustic logging transmitting transducer driving system |
| CN103147747A (en) * | 2013-03-29 | 2013-06-12 | 中国石油大学(华东) | Acoustic logging-while-drilling device and acoustic logging-while-drilling method |
| CN103437756A (en) * | 2013-09-12 | 2013-12-11 | 北京环鼎科技有限责任公司 | Dipole array acoustic logging instrument |
| CN203452778U (en) * | 2013-09-12 | 2014-02-26 | 北京环鼎科技有限责任公司 | Dipole array acoustilog instrument |
-
2015
- 2015-01-30 CN CN201510050162.0A patent/CN105986810A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201274210Y (en) * | 2008-05-28 | 2009-07-15 | 中国石油天然气集团公司 | Multipolar array acoustic transmission transformer assembly |
| CN201367903Y (en) * | 2009-02-24 | 2009-12-23 | 杭州瑞利声电技术公司 | Segmented bond tool |
| CN102508299A (en) * | 2011-09-29 | 2012-06-20 | 中国石油大学(华东) | Remote exploration method for transmitting and receiving dipole transverse waves in well |
| CN102828744A (en) * | 2012-08-28 | 2012-12-19 | 中国电子科技集团公司第二十二研究所 | Quadrupole-source short-source-range full-wave acoustic logging instrument |
| CN102889079A (en) * | 2012-10-16 | 2013-01-23 | 中国电子科技集团公司第二十二研究所 | Acoustic logging transmitting transducer driving system |
| CN103147747A (en) * | 2013-03-29 | 2013-06-12 | 中国石油大学(华东) | Acoustic logging-while-drilling device and acoustic logging-while-drilling method |
| CN103437756A (en) * | 2013-09-12 | 2013-12-11 | 北京环鼎科技有限责任公司 | Dipole array acoustic logging instrument |
| CN203452778U (en) * | 2013-09-12 | 2014-02-26 | 北京环鼎科技有限责任公司 | Dipole array acoustilog instrument |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605470A (en) * | 2017-07-17 | 2018-01-19 | 中国石油天然气集团公司 | A kind of wave path in length and breadth is to velocity variations imaging method |
| CN107605470B (en) * | 2017-07-17 | 2020-11-06 | 中国石油天然气集团公司 | Longitudinal and transverse wave radial velocity change imaging method |
| CN107765300A (en) * | 2017-09-29 | 2018-03-06 | 中国石油集团川庆钻探工程有限公司 | A kind of method that reflection wave is extracted in the data from dipole shear wave |
| CN107829730A (en) * | 2017-10-26 | 2018-03-23 | 中石化石油工程技术服务有限公司 | A kind of cross-hole acoustic logging system |
| CN107989604A (en) * | 2017-10-26 | 2018-05-04 | 中石化石油工程技术服务有限公司 | A kind of cross-hole acoustic logging transmitting probe |
| CN107829730B (en) * | 2017-10-26 | 2024-03-08 | 中国石油化工集团有限公司 | Inter-well acoustic logging system |
| CN107989604B (en) * | 2017-10-26 | 2024-05-07 | 中国石油化工集团有限公司 | Acoustic logging transmitting probe between wells |
| CN110067554A (en) * | 2019-06-06 | 2019-07-30 | 中油奥博(成都)科技有限公司 | Three-component sound wave far detects well logging apparatus and its measurement method in well |
| CN110067554B (en) * | 2019-06-06 | 2024-03-29 | 中油奥博(成都)科技有限公司 | Well three-component acoustic wave remote detection logging device and measurement method thereof |
| CN110863817A (en) * | 2019-12-03 | 2020-03-06 | 西南石油大学 | Ultrasonic borehole anti-collision monitoring system and monitoring method |
| US11008851B1 (en) | 2019-12-03 | 2021-05-18 | Southwest Petroleum University | Ultrasonic wellbore anti-collision monitoring system and monitoring method |
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