CN109281652A - A kind of borehole wall imaging system based on cylinder ultrasonic phase array - Google Patents

A kind of borehole wall imaging system based on cylinder ultrasonic phase array Download PDF

Info

Publication number
CN109281652A
CN109281652A CN201710589618.XA CN201710589618A CN109281652A CN 109281652 A CN109281652 A CN 109281652A CN 201710589618 A CN201710589618 A CN 201710589618A CN 109281652 A CN109281652 A CN 109281652A
Authority
CN
China
Prior art keywords
pipe nipple
cylinder
phase array
ultrasonic phase
pressure
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.)
Pending
Application number
CN201710589618.XA
Other languages
Chinese (zh)
Inventor
王俊
张碧星
师芳芳
孔超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Acoustics CAS
Original Assignee
Institute of Acoustics CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Institute of Acoustics CAS filed Critical Institute of Acoustics CAS
Priority to CN201710589618.XA priority Critical patent/CN109281652A/en
Publication of CN109281652A publication Critical patent/CN109281652A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/002Survey of boreholes or wells by visual inspection
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/12Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/005Testing the nature of borehole walls or the formation by using drilling mud or cutting data

Abstract

The present invention relates to a kind of borehole wall imaging systems based on cylinder ultrasonic phase array, comprising: ground controller (1), power supply pipe nipple (2), sonic system pipe nipple (4) and circuit pipe nipple (3);The power supply pipe nipple (2) is used to be system power supply;The sonic system pipe nipple (4) includes cylinder ultrasonic phase array probe (11), and cylinder ultrasonic phase array probe (11) is by several transducer array element (6) circumferential arrays at cylinder;The circuit pipe nipple (3), control signal for being sent according to ground controller (1), each transducer array element (6) in control cylinder ultrasonic phase array probe (11) circumferentially realizes that the focus emission of ultrasonic signal and the focusing of echo-signal receive, and the echo data collected is sent to ground controller (1);The ground controller (1), for being imaged according to the echo data received.It can be improved detection speed, image resolution ratio and detection accuracy using above system.

Description

A kind of borehole wall imaging system based on cylinder ultrasonic phase array
Technical field
The present invention relates to borehole wall technical field of imaging ultrasonic in oil exploration, and in particular to one kind is based on cylinder ultrasound phase-control The borehole wall imaging system of battle array.
Background technique
In oil drilling and recovery process, casing guarantees that drilling well has been gone on smoothly in protection wellbore and Reinforcing Shaft Important function.But since subsurface environment is severe, casing damage quantity increases year by year, and detection and the protection of casing wall have become The important process of oil field development.Ultrasonic borehole wall imaging detection technology is a kind of common oil-well wall detection technique, passes through utilization Borehole wall reflection echo information, identifies a plurality of types of defects and well week situation, shows the borehole wall in the form of images clear and intuitively Situation and characteristic.
Start the 1990s to have gradually appeared supersonic imaging logger of new generation, the representative are The UBI (Ultra Sonic Imager) of the Schlumberger and CBIL (Circumferential of Baker Atlas Borehole Imaging Log) etc..It is rotary that these conventional borehole wall acoustic logging Image-forming instruments all use single-shot list to receive Sonic probe, when instrument well logging, transducer probe is rotated centered on borehole axis and is moved on borehole axis direction, to realize Looking into for helical manner is carried out to the borehole wall to sweep.However, this working method have the shortcomings that it is following several:
(1) signal-to-noise ratio of detectable signal is low.Due to the working method received using single-shot list, if encountered complicated or more Severe borehole condition, the useful signal amplitude detected are lower, it is difficult to identify, it is some exception shaft wall structures and it is fine change it is past It is past to be difficult to.
(2) resolution ratio detected is low.The acoustic beam of conventional transducer probe radiative acoustic wave is relatively wide, although concave surface Focused transducer can make sound beam focusing, but this focusing capability is very limited, and not only focal position is fixed, it is difficult to according to reality Border situation is adjusted and changes, and focused beam is elongated not enough, so that the image resolution ratio of detection data is lower.
(3) unstability of mechanical rotary scanning.Conventional transducers probe, which must be pivoted, to be just able to achieve to the borehole wall four Week looks into and sweeps imaging, and this mechanical rotation mode can bring the unstability of well logging and the problems such as relevant instrument maintenance. Machinery rotation can also carry out very burden for output transmission.
(4) logging speed is slower.Due to conventional transducer use mechanical type rotating, in order to guarantee borehole wall scanning imagery speed and Longitudinal resolution, logging speed are restricted, and reduce this instrument in the logging efficiency of underground, if well logging target zone compared with Thickness can occupy longer uphole time using this kind of instrument.
In the publication that number of patent application is CN201110342569.2, entitled well week ultrasonic imaging downhole cartridge In, it discloses and is equipped with N number of ultrasonic crystal in probe, the control circuit scanned in storehouse has N number of control signal, thus one Determine to improve logging speed and precision in degree.
It is CN201610390800.8, a kind of entitled acoustics system of supersonic imaging logger in number of patent application In the publication of system, a kind of sound system is disclosed, includes multiple groups energy converter group, each energy converter group water in the sound system Prosposition sets difference, has multiple sound transmitting windows and each energy converter to correspond in each cavity, so that sound system is guaranteeing normally While data acquire, the mechanical strength of instrument itself also can guarantee.
But instrument disclosed in two above publication still uses mechanical type rotating method, machinery rotation is brought The unstability of scanning and still exist to the limitation of logging speed.
Summary of the invention
It is an object of the present invention to rely on mechanical type rotating method for existing ultrasonic bottom hole path instrument and come It realizes the slower technical problem of time flutter caused by the scanning imagery of the borehole wall, logging speed, proposes a kind of using column The system that face ultrasonic phased array transducer carries out comprehensive scanning and imaging to the borehole wall.
In order to solve the above technical problems, a kind of borehole wall imaging system based on cylinder ultrasonic phase array provided by the invention, The system includes power supply pipe nipple, ground controller, sonic system pipe nipple and circuit pipe nipple;
The sonic system pipe nipple includes cylinder ultrasonic phase array probe, which pops one's head in by several transducings Device array element circumferential array is at cylinder;
The circuit pipe nipple, the control signal for being sent according to ground controller, control cylinder ultrasonic phase array are visited Each transducer array element in head circumferentially realizes that the focus emission of ultrasonic signal and the focusing of echo-signal receive, and will acquisition Obtained echo data is sent to ground controller;
The ground controller, for being imaged according to the echo data received.
As a further improvement of the above technical scheme, the circuit pipe nipple includes: digital circuit board and analog circuit Plate;
The analog circuit board includes: impulse ejection module, switch array module and reception gain control module;Described Phase control emission high pressure activation signal is sent to switch arrays for generating phase control emission high pressure activation signal by impulse ejection module Module;The switch array module is used for the transducer array element of gated transmission ultrasonic signal and receives echo-signal;Described Reception gain control module is used for the echo-signal gain of modulation switch array module output;
The digital circuit board includes: CAN bus drive module, digital control processing module and AD acquisition and processing mould Block;The CAN bus drive module is communicated by CAN bus with ground controller;The digital control processing mould Block is used to parse the control command of ground controller transmission, and completes the control to analog circuit board and AD acquisition and processing module System;The AD acquisition and processing module carries out AD acquisition to the signal for receiving gain control module output, and AD is collected Echo data through digital control processing module carry out data processing after, ground control is sent to by CAN bus drive module Device.
As a further improvement of the above technical scheme, the transducer array element in the cylinder ultrasonic phase array probe uses Casting glue encapsulating, the end of cylinder ultrasonic phase array probe are provided with bearing shell, and the bearing shell is equipped with electrode Pigtail splice, for connecting the electrode of transducer array element.
As a further improvement of the above technical scheme, the sonic system pipe nipple further includes that pressure balance mechanism and pressure-bearing connect Head;The pressure balance mechanism and pressure-bearing joint is set to the both ends of cylinder ultrasonic phase array probe, the cylinder ultrasound phase-control Battle array probe middle part offers the cavity for Silicone oil injection;
The pressure balance mechanism includes: adapter, spring, piston and piston steel cylinder;The piston, which is arranged in, to be turned Between connector and piston steel cylinder, which is connected to by adapter with the cavity that cylinder ultrasonic phase array is popped one's head in, piston both ends institute Two spaces in be each filled with silicone oil;The spring, which supports, to be set between piston and adapter, makes column by piston motion Ultrasonic phase array probe external and internal pressure in face keeps balance;
The both ends of the pressure-bearing joint are respectively arranged with adapter and sealing-plug, are respectively used to connection circuit pipe nipple and pressure-bearing Electrode leader connector on shell.
As a further improvement of the above technical scheme, the adapter on the pressure-bearing joint and sealing-plug are all made of O shape Sealing ring sealing.
As a further improvement of the above technical scheme, the sealing-plug is 81 core sealing-plugs.
As a further improvement of the above technical scheme, the sonic system pipe nipple further includes mud velocity of sound energy converter, is used for Measure the velocity of sound of sonic system pipe nipple local environment.
As a further improvement of the above technical scheme, it is provided with and helps on the outer wall of the power supply pipe nipple and circuit pipe nipple Positive device;The centralizer is supporting structure, and outer rim offsets with casing.
As a further improvement of the above technical scheme, the end of the sonic system pipe nipple is additionally provided with pressure block, for realizing The Function Extension of sonic system pipe nipple.
As a further improvement of the above technical scheme, the pressure block is 12 core pressure blocks.
A kind of borehole wall imaging system advantage based on cylinder ultrasonic phase array of the invention is:
(1) detection speed is fast.Phased-array technique is rotated by the way of electronic system control acoustic beam rotation instead of machinery, So that logging speed is improved.
(2) signal-to-noise ratio of detection is improved.Phase array focusing emission characteristics can be such that the sound field intensity at target greatly increases, and make The reflection echo amplitude for obtaining target is reinforced;Moreover, phase array focusing reception processing can further improve the strong of target echo signal Degree, therefore, focus emission can greatly improve the signal-to-noise ratio of target acquisition with reception technique is focused.
(3) image resolution ratio and detection accuracy are improved.The sound beam focusing characteristic of ultrasonic phased array technology can form thinner Small acoustic beam generates acoustic beam and reaches 3dB width, and more much smaller than other conventional instrument beam widths, such acoustic beam can be larger Improve the resolution ratio and detection accuracy of detection target image in ground.
(4) when detecting to a certain range of wellhole, no replacement is required pops one's head in.Due to the coke of phase array focusing acoustic beam Point is adjustable, for different well diameters, need to only adjust the focus emission and reception delay of probe, acoustic beam can be realized in the borehole wall It focuses, so without frequently replacement well-logging probe.
Detailed description of the invention
Fig. 1 is the borehole wall imaging system external structure schematic diagram in the present invention;
Fig. 2 is the borehole wall imaging system schematic diagram of internal structure in the present invention;
Fig. 3 a is the cylinder ultrasonic phase array structural schematic diagram in the present invention;
Fig. 3 b is cylinder ultrasonic phase array top view shown in Fig. 3 a;
Fig. 4 is the cylinder ultrasonic phase array probe schematic perspective view in the present invention;
Fig. 5 is the schematic diagram of internal structure of the sonic system pipe nipple in the present invention;
Fig. 6 is the pressure balance mechanism schematic diagram of internal structure in sonic system pipe nipple provided by the invention;
Fig. 7 is the pressure-bearing joint schematic diagram of internal structure in sonic system pipe nipple provided by the invention.
Appended drawing reference
1, ground controller 2, power supply pipe nipple 3, circuit pipe nipple
4, sonic system pipe nipple 5, centralizer 6, transducer array element
7, casing 8, bearing shell 9, electrode leader connector
10, pressure-bearing joint 11, cylinder ultrasonic phase array probe 12, pressure balance mechanism
13, adapter 14, oiling screw 15, piston steel cylinder
16, spring 17, piston 18, overflow valve
19, pressure block 20, the first O-ring seals 21, feather key
22, Rapid-turning nut 23, sealing-plug 24, the second O-ring seals
Specific embodiment
With reference to the accompanying drawings and examples to a kind of borehole wall imaging system based on cylinder ultrasonic phase array of the present invention System is described in detail.
A kind of borehole wall imaging system overall structure based on cylinder ultrasonic phase array provided by the invention is as shown in Figure 1, packet It includes: ground control and imaging system (ground controller), power supply pipe nipple, circuit pipe nipple, sonic system pipe nipple and external mechanical part structure At.The sonic system pipe nipple 4 is popped one's head in including cylinder ultrasonic phase array, which pops one's head in by several transducer arrays First circumferential array is at cylinder;The control signal that the circuit pipe nipple 3 is sent according to ground controller 1, control cylinder ultrasound Each transducer array element in phased array probe circumferentially realizes that the focus emission of ultrasonic signal and the focusing of echo-signal receive, And the echo data collected is sent to ground controller 1;The ground controller 1 is according to the echo data received It is imaged.
Borehole wall imaging system based on above structure, in system work process, need by power supply pipe nipple, circuit pipe nipple and Sonic system pipe nipple is threaded through in casing, and is moved along casing to underground.The all parts of the system are illustrated below:
1) it ground control and processing display system: is mainly communicated by CAN bus with underground equipment, for being realized on PC To the parameter setting of underground equipment, the preservation and imaging of system failure investigation and Echo Processing data, are main man-machine friendships Mutual approach.
2) power supply pipe nipple: including digital power plate, simulated high-pressure power panel and analog low voltage electric power plate (such as Fig. 2 institute Show), it is mainly used for voltage needed for being converted to subsequent conditioning circuits at different levels from ground service cable voltage.Wherein digital power plate is given The analog circuit board of the digital circuit board power supply of circuit pipe nipple, simulated high-pressure power panel and analog low voltage electric power plate to circuit pipe nipple Power supply.
3) it circuit pipe nipple: is made of digital processing circuit plate and analog circuit board.
As shown in Fig. 2, the digital circuit board includes CAN bus drive module, digital control processing module, AD acquisition With processing module.The CAN bus drive module is communicated by CAN bus with ground controller;The number control Processing module processed is used to parse the control command of ground controller transmission, and completes to impulse ejection module, switch array module, connects Receive the control of gain control module, AD acquisition and processing module;Its concrete function has: explaining the various lives that ground controller issues The control enable, complete transmit circuit fire pulse width, emitting array element, emission delay, is completed at the same time the automatic control of signal gain System, signal acquisition, different preliminary treatment is carried out to acquisition data according to task and is further processed, treated result It is sent to communication module.Wherein preliminary treatment includes being delayed to collected original echoed signals according to phase array focusing rule Superposition calculation, and envelope is taken using Hilbert transform pairs superposition back echo signal;It is further processed the envelope letter referred to acquisition It number carries out peak value judgement and extracts amplitude data, then these amplitude datas are subjected to splicing to obtain final required imaging number According to.The AD acquisition and processing module carries out AD acquisition to the signal for receiving gain control module output, and AD is collected Echo data through digital control processing module carry out data processing after, ground control is sent to by CAN bus drive module Device.
As shown in Fig. 2, the analog circuit board includes impulse ejection module, switch array module, reception gain control Module.The impulse ejection module is for generating phase control emission high pressure activation signal, and by phase control emission high pressure activation signal It is sent to switch array module;The switch array module is used for the energy converter of gated transmission ultrasonic signal and receives echo-signal Array element;The reception gain control module is used for the echo-signal gain of modulation switch array module output.By increasing to automatic The control of beneficial control module, the gain variation range for receiving signal reach 60dB (- 12dB~48dB), can be to 10mV~10V Signal in range amplifies and undistorted.
Switch arrays are a functional modules in analog circuit board, and the high-voltage switch gear with 16 autonomous channels can be used Battle array chip MAX4968A carries out the switching between transmission channel and transducer array element and connects, to achieve the purpose that channel multiplexing.It is main It is used for the connection according to control signal gating ultrasound emission receiving channel and transducer array element.Totally two pieces of analog circuit boards, often There is two panels switch arrays chip on block plank, totally four switch arrays chips.System can design 8 transmitting receiving channels, Mei Getong Road is connected with 8 phased array elements respectively by switch arrays chip, to realize 8 channel multiplexings to 64 array element.
Borehole wall imaging system of the invention realizes that energy converter emits array element at work, by being switched fast for electronic switch Switching, to form focused beam along well Zhou Xuanzhuan scanning, need to only be moved up and down by instrument along borehole axis can be realized pair Comprehensive scanning of the borehole wall detects.
4) it sonic system pipe nipple: is connect including mud velocity of sound energy converter, cylinder ultrasonic phase array probe, pressure balance mechanism and pressure-bearing Head.As shown in figure 5, the pressure balance mechanism 12 and pressure-bearing joint 10 is set to the two of cylinder ultrasonic phase array probe 11 End.
The mud velocity of sound energy converter is used for the velocity of sound of real-time measurement ultrasonic wave local environment.
As shown in Fig. 3 a, 3b, the cylinder ultrasonic phase array probe 11 is arranged in cylinder by several transducer array elements 6 Shape.Well liquid is full of in casing 7, cylinder ultrasonic phase array probe 11 is placed in 7 center of casing with sonic system pipe nipple, short by circuit The signal transmitting of control circuit control each activity array element of phased array probe of section and reception delay, to realize that ultrasonic phase array is poly- Burnt scanning imagery.Phased acoustic beam angle and focal position etc. can be continuous dynamically adjustable in a certain range, and focusing, reception etc. is more Kind signal processing technology is used for imaging, also can further improve the image resolution ratio of ultrasonic phase array detection.
Chip (transducer array element) is potted in inside non-metal shell by the present invention by casting glue, realizes integral type envelope Dress probe, probe middle part offers cavity, for pouring into silicone oil, is then sealed by O-ring seal, with traditional non-Unitary Metal shell probe is compared, and this encapsulating structure reduces the reflection and decaying popped one's head in signal.As shown in figure 4, sonde configuration It itself is that there are a bearing shells 8, positioned at the end of probe.The bearing shell 8 is equipped with electrode leader connector 9, uses In the electrode of connection transducer array element.
In the specific implementation process, the major parameter of cylinder ultrasonic phase array probe may be designed as: array number 64, outer diameter 80mm, 150 DEG C of heatproof, pressure-resistant 100Mpa.There are bearing course, probes to connect with front and back mechanical structure and use O shape close for itself Sealing is realized in seal.Each array element chip in the cylinder ultrasonic phase array probe all has internal loopback function, for real The transmitting and reception of existing ultrasound phase-control signal.
As shown in fig. 6, the pressure balance mechanism include: 13, two oiling screws 14 of adapter, piston steel cylinder 15, Spring 16, piston 17, overflow valve 18, pressure block 19, Multiple Type O-ring seals.12 core pressure-bearings can be used in the pressure block 19 Block is set to the end of sonic system pipe nipple 4, for realizing the Function Extension of sonic system pipe nipple 4.Two oiling screws 14 difference In the space at 17 both ends of piston.
Piston balance mechanism is used to adjust the probe chip both sides fluid pressure balance being immersed in well liquid, realizes total pressure Balance.Piston balance mechanism realizes internal and external pressure balance by a piston movement, and when well liquid pressure is big, piston is mobile to be squeezed Piston liquid in pipe is pressed, rises to intraductal pressure identical as external pressure, to realize the pressure balance on both sides.
The piston 17 is arranged between adapter 13 and piston steel cylinder 15, which passes through adapter 13 and cylinder The cavity of ultrasonic phase array probe is connected to, and is each filled with silicone oil in the two spaces where 17 both ends of piston;The spring 16 supports Between piston 17 and adapter 13, moved by piston 17 so that cylinder ultrasonic phase array probe external and internal pressure keeps flat Weighing apparatus;
In order to balance pressure, before instrument is gone into the well, it is first turned on the oiling popped one's head in space close to cylinder ultrasonic phase array Screw 14 injects a certain amount of silicone oil into probe cavity;Then need to open the oiling in another space far from probe Screw 14 injects silicone oil in instrument internal, then spring 16 is compressed, and piston 17 starts to the left using electronic or manual pump Mobile, when the mobile leftmost side of piston, overflow valve begins to overflow, so far completes oil injection operation.
After system is gone into the well, with the variation of temperature and depth, piston 17 will be mobile to the small direction of pressure, until pressure Until dynamic balance.When piston 17 is located at the leftmost side, external pressure is still greater than in internal pressure, and overflow valve 18 starts, and starts pressure release.Due to visiting Head among piston balance mechanism and pressure-bearing joint, inside fill silicone oil, when external pressure causes probe deformation occurs when, Dummy piston will happen movement according to deformation, to maintain probe chip both sides fluid pressure balance.
The pressure-bearing joint realizes sonic system part immersion oil, while guaranteeing electricity for connecting sonic system pipe nipple and circuit pipe nipple The sealing and compressive property of short out section.Because phased array probe is directly immersed in the highly pressurised liquid of wellhole, and circuit system is located at In metal coating shell, belong to normal pressure system, there are huge pressure difference between two spaces, needs to bear sonic system by pressure-bearing joint Pipe nipple bring high pressure.
As shown in fig. 7, pressure-bearing joint includes: adapter 13, the first O-ring seals 20 (63.09mm × 3.53mm), guiding Key 21, Rapid-turning nut 22, the second O-ring seals 24 (55.25mm × 2.65mm), sealing-plug 23.The two of the pressure-bearing joint 10 End is respectively arranged with adapter 13 and sealing-plug 23, and the contact conductor being respectively used on connection circuit pipe nipple 3 and bearing shell 8 connects First 9.The screw thread of the Rapid-turning nut 22 at pressure-bearing joint both ends is connect with circuit pipe nipple and sonic system pipe nipple respectively, to realize that circuit is short The Hard link of section and sonic system pipe nipple, while silicone oil being isolated in except circuit pipe nipple by sealing-plug 23.The pressure-bearing joint 10 On adapter 13 sealed using the first O-ring seals 20, the sealing-plug 23 can be used 81 core sealing-plugs, and pass through the 2nd O Shape sealing ring 24 seals.
5) external mechanical part: skeleton structure and centralizer including each pipe nipple.
The skeleton structure of each pipe nipple mainly for underground high temperature and pressure particular surroundings demand and design.It is needed for resistance to compression It asks, sonic system pipe nipple uses immersion oil mode, resistance to compression is realized by pressure balance, material is heat-resisting material, meets resistance to height Warm demand.Other circuit frameworks are placed in special voltage holding circuit cylinder, are linked by pressure-bearing joint and sonic system pipe nipple.
The centralizer is independent bracket component, as shown in Figure 1, the outer wall of the power supply pipe nipple 2 and circuit pipe nipple 3 On be provided with centralizer 5;Its outer rim offsets with casing.The centralizer is detachable, and casing suitable position is fixed to when going into the well It sets.Centralizer is for ensuring that entire mechanical structure is always positioned at the center of oil pipe, it is ensured that phased array imaging effect.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng It is described the invention in detail according to embodiment, those skilled in the art should understand that, to technical side of the invention Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention Scope of the claims in.

Claims (10)

1. a kind of borehole wall imaging system based on cylinder ultrasonic phase array, comprising: ground controller (1) and power supply pipe nipple (2), institute The power supply pipe nipple (2) stated is used to be system power supply;It is characterized in that, the system further include: sonic system pipe nipple (4) and circuit pipe nipple (3);
The sonic system pipe nipple (4) include cylinder ultrasonic phase array probe (11), the cylinder ultrasonic phase array pop one's head in (11) if by Dry transducer array element (6) circumferential array is at cylinder;
The circuit pipe nipple (3), the control signal for being sent according to ground controller (1), controls cylinder ultrasonic phase array Each transducer array element (6) in probe (11) circumferentially realizes that the focusing of the focus emission and echo-signal of ultrasonic signal connects It receives, and the echo data collected is sent to ground controller (1);
The ground controller (1), for being imaged according to the echo data received.
2. the borehole wall imaging system according to claim 1 based on cylinder ultrasonic phase array, which is characterized in that the electricity Short out section (3) includes: digital circuit board and analog circuit board;
The analog circuit board includes: impulse ejection module, switch array module and reception gain control module;The pulse Phase control emission high pressure activation signal is sent to switch arrays mould for generating phase control emission high pressure activation signal by transmitting module Block;The switch array module is used for the transducer array element (6) of gated transmission ultrasonic signal and receives echo-signal;Described Reception gain control module is used for the echo-signal gain of modulation switch array module output;
The digital circuit board includes: CAN bus drive module, digital control processing module and AD acquisition and processing module; The CAN bus drive module is communicated by CAN bus with ground controller (1);The digital control processing mould Block is used to parse the control command of ground controller (1) transmission, and completes to analog circuit board and AD acquisition and processing module Control;The AD acquisition and processing module carries out AD acquisition to the signal for receiving gain control module output, and AD is acquired The echo data arrived is sent to ground control after digital control processing module carries out data processing, through CAN bus drive module Device (1) processed.
3. the borehole wall imaging system according to claim 1 based on cylinder ultrasonic phase array, which is characterized in that the cylinder Transducer array element (6) in ultrasonic phase array probe (11) uses casting glue encapsulating, which pops one's head in (11) End is provided with bearing shell (8), and the bearing shell (8) is equipped with electrode leader connector (9), for connecting transducer array The electrode of first (6).
4. the borehole wall imaging system according to claim 3 based on cylinder ultrasonic phase array, which is characterized in that the sound It is pipe nipple (4) further include pressure balance mechanism (12) and pressure-bearing joint (10);The pressure balance mechanism (12) and pressure-bearing connect Head (10) is set to the both ends of cylinder ultrasonic phase array probe (11), offers confession in the middle part of cylinder ultrasonic phase array probe (11) The cavity of Silicone oil injection;
The pressure balance mechanism (12) includes: adapter (13), spring (16), piston (17) and piston steel cylinder (15);Institute The piston (17) stated is arranged between adapter (13) and piston steel cylinder (15), which passes through adapter (13) and cylinder The cavity of ultrasonic phase array probe (11) is connected to, and is each filled with silicone oil in the two spaces where piston (17) both ends;The bullet Spring (16), which supports, to be set between piston (17) and adapter (13), is moved by piston (17) so that cylinder ultrasonic phase array is popped one's head in (11) external and internal pressure keeps balance;
The both ends of the pressure-bearing joint (10) are respectively arranged with adapter (13) and sealing-plug (23), and it is short to be respectively used to connection circuit Save the electrode leader connector (9) on (3) and bearing shell (8).
5. the borehole wall imaging system according to claim 4 based on cylinder ultrasonic phase array, which is characterized in that the pressure-bearing Adapter (13) and sealing-plug (23) on connector (10) are all made of O-ring seals sealing.
6. the borehole wall imaging system according to claim 5 based on cylinder ultrasonic phase array, which is characterized in that described is close Blocking (23) is 81 core sealing-plugs.
7. the borehole wall imaging system according to claim 1 based on cylinder ultrasonic phase array, which is characterized in that the sound It is pipe nipple (4) further include mud velocity of sound energy converter, for measuring the velocity of sound of sonic system pipe nipple (4) local environment.
8. the borehole wall imaging system according to claim 1 based on cylinder ultrasonic phase array, which is characterized in that the power supply Centralizer (5) is provided on the outer wall of pipe nipple (2) and circuit pipe nipple (3);The centralizer (5) is supporting structure, outside Edge offsets with casing (7).
9. the borehole wall imaging system according to claim 1 based on cylinder ultrasonic phase array, which is characterized in that the sonic system The end of pipe nipple (4) is additionally provided with pressure block (19), for realizing the Function Extension of sonic system pipe nipple (4).
10. the borehole wall imaging system according to claim 9 based on cylinder ultrasonic phase array, which is characterized in that described Pressure block (19) is 12 core pressure blocks.
CN201710589618.XA 2017-07-19 2017-07-19 A kind of borehole wall imaging system based on cylinder ultrasonic phase array Pending CN109281652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710589618.XA CN109281652A (en) 2017-07-19 2017-07-19 A kind of borehole wall imaging system based on cylinder ultrasonic phase array

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710589618.XA CN109281652A (en) 2017-07-19 2017-07-19 A kind of borehole wall imaging system based on cylinder ultrasonic phase array

Publications (1)

Publication Number Publication Date
CN109281652A true CN109281652A (en) 2019-01-29

Family

ID=65184349

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710589618.XA Pending CN109281652A (en) 2017-07-19 2017-07-19 A kind of borehole wall imaging system based on cylinder ultrasonic phase array

Country Status (1)

Country Link
CN (1) CN109281652A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110231406A (en) * 2019-06-20 2019-09-13 江苏方天电力技术有限公司 A kind of bolt ultrasonic wave detecting system and method
CN110487912A (en) * 2019-08-05 2019-11-22 清华大学 A kind of self-focusing phased array ultrasonic detection probe for managing interior non-destructive testing
US20200055196A1 (en) * 2018-08-16 2020-02-20 Darkvision Technologies Inc. Device and Method to Position an End Effector in a Well
CN111608644A (en) * 2020-05-06 2020-09-01 中国科学院武汉岩土力学研究所 Array type acoustic scanning high-precision drilling imaging method and device
CN114483001A (en) * 2022-01-26 2022-05-13 斯伦贝谢油田技术(山东)有限公司 Underground attitude measuring equipment
CN115773103A (en) * 2022-11-15 2023-03-10 中国科学院声学研究所 Ultrasonic real-time imaging acquisition control system for pressure induced cracking

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1112639A (en) * 1994-05-26 1995-11-29 魏营隆 Drill bit central coordinate ultrasonic wave real-time measurement while drilling for large driller
CN2613758Y (en) * 2003-03-11 2004-04-28 中国石油天然气集团公司 Acoustic system for high-temp. high-pressure and multi-parameter ultrasonic engineering well logging instrument
CN2627214Y (en) * 2003-03-28 2004-07-21 中国石油天然气集团公司 Multiple parameter ultrasonic engineering logging device
CN101493438A (en) * 2009-02-18 2009-07-29 宁波工程学院 Phased array ultrasonic detection, data acquisition and process device
CN202031567U (en) * 2011-01-05 2011-11-09 中国海洋石油总公司 Circuit used for measuring annulus instantaneous flow in marine riser
CN102877827A (en) * 2012-10-10 2013-01-16 中国石油天然气集团公司 Acoustic system module of acoustic logging while drilling
CN104330480A (en) * 2013-07-22 2015-02-04 中国科学院声学研究所 Fault diagnosis method for ultrasonic phased array imaging detector
CN204283410U (en) * 2014-11-28 2015-04-22 中国石油天然气集团公司 A kind of transmitting sonic system of multipolar array acoustic tool PEEK material package
CN205117265U (en) * 2015-11-19 2016-03-30 北京美高科技发展有限公司 Cable formula electrohydraulic control cuts piping tool
CN206091977U (en) * 2016-08-22 2017-04-12 西安石竹能源科技有限公司 Four multi -functional arm hole diameters

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1112639A (en) * 1994-05-26 1995-11-29 魏营隆 Drill bit central coordinate ultrasonic wave real-time measurement while drilling for large driller
CN2613758Y (en) * 2003-03-11 2004-04-28 中国石油天然气集团公司 Acoustic system for high-temp. high-pressure and multi-parameter ultrasonic engineering well logging instrument
CN2627214Y (en) * 2003-03-28 2004-07-21 中国石油天然气集团公司 Multiple parameter ultrasonic engineering logging device
CN101493438A (en) * 2009-02-18 2009-07-29 宁波工程学院 Phased array ultrasonic detection, data acquisition and process device
CN202031567U (en) * 2011-01-05 2011-11-09 中国海洋石油总公司 Circuit used for measuring annulus instantaneous flow in marine riser
CN102877827A (en) * 2012-10-10 2013-01-16 中国石油天然气集团公司 Acoustic system module of acoustic logging while drilling
CN104330480A (en) * 2013-07-22 2015-02-04 中国科学院声学研究所 Fault diagnosis method for ultrasonic phased array imaging detector
CN204283410U (en) * 2014-11-28 2015-04-22 中国石油天然气集团公司 A kind of transmitting sonic system of multipolar array acoustic tool PEEK material package
CN205117265U (en) * 2015-11-19 2016-03-30 北京美高科技发展有限公司 Cable formula electrohydraulic control cuts piping tool
CN206091977U (en) * 2016-08-22 2017-04-12 西安石竹能源科技有限公司 Four multi -functional arm hole diameters

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
孔超等: "超声相控阵控制、采集与全并行处理系统设计", 《应用声学》 *
董晗等: "石油钻井中超声相控阵井壁成像检测技术研究", 《机械工程学报》 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200055196A1 (en) * 2018-08-16 2020-02-20 Darkvision Technologies Inc. Device and Method to Position an End Effector in a Well
US11725497B2 (en) * 2018-08-16 2023-08-15 Darkvision Technologies Inc Device and method to position an end effector in a well
CN110231406A (en) * 2019-06-20 2019-09-13 江苏方天电力技术有限公司 A kind of bolt ultrasonic wave detecting system and method
CN110487912A (en) * 2019-08-05 2019-11-22 清华大学 A kind of self-focusing phased array ultrasonic detection probe for managing interior non-destructive testing
CN111608644A (en) * 2020-05-06 2020-09-01 中国科学院武汉岩土力学研究所 Array type acoustic scanning high-precision drilling imaging method and device
CN114483001A (en) * 2022-01-26 2022-05-13 斯伦贝谢油田技术(山东)有限公司 Underground attitude measuring equipment
CN114483001B (en) * 2022-01-26 2022-11-18 斯伦贝谢油田技术(山东)有限公司 Underground attitude measuring equipment
CN115773103A (en) * 2022-11-15 2023-03-10 中国科学院声学研究所 Ultrasonic real-time imaging acquisition control system for pressure induced cracking

Similar Documents

Publication Publication Date Title
CN109281652A (en) A kind of borehole wall imaging system based on cylinder ultrasonic phase array
AU2011382521B2 (en) Acoustic transducer apparatus, systems, and methods
US5089989A (en) Method and apparatus for measuring the quality of a cement to a casing bond
US11640007B2 (en) System and method for phased array sound wave advanced geological exploration for shield tunneling machine
CN109281650A (en) A kind of borehole wall real time imagery method based on cylinder ultrasonic phase array
NO321107B1 (en) Method and apparatus for determining the thickness of a borehole lining
CN101363314A (en) Ultrasound phased array cased well and front sounding integration detecting method
US11758291B2 (en) Intelligent localized high-resolution imaging of tubulars
CN104820021A (en) Method for detecting coal-rock interface by phased-array ultrasonic imaging
CN108691536B (en) Horizontal effective ground stress testing method and device
CN105445371B (en) The ultrasonic phase array fast checking device and detection method of electron beam weld
CN105486752A (en) Gas storage well shaft detection system based on ultrasonic phased array technology and detection method thereof
CN107907597A (en) A kind of penetration type ultrasonic wave soil moisture content test device and method
CN102383786A (en) Sector cement bonding and sound wave time difference logging instrument
CN106501285B (en) The equipment and detection method of the mud jacking compactness of non-destructive testing prestress pipe
CN109281651A (en) A kind of ultrasonic borehole wall imaging method applied to cylinder supersonic array
CN109283250B (en) Quantitative evaluation method for well wall defects based on cylindrical surface ultrasonic phased array
CN102592587A (en) Mono-directional ultrasonic transducer for borehole imaging
CN115992690B (en) Ultrasonic lamb wave imaging logging device while drilling and logging method
CN109581508B (en) Acoustic scanning system suitable for small-caliber imaging logging instrument
CN109281653A (en) A kind of borehole wall defect classifying identification method based on cylinder ultrasonic phase array
CN105606712A (en) Ultrasonic detection probe, detection method, and detection system
CN111119869B (en) Ultrasonic transducer detection device and detection method of ultrasonic transducer while drilling
KR100773302B1 (en) Borehole ultrasonic system for measuring the volumes of cavities
CN105927206A (en) Underground closed ultrasonic doppler three-phase-flow flow measuring sensor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190129

RJ01 Rejection of invention patent application after publication