CN105952444B - A kind of sound system of supersonic imaging logger - Google Patents
A kind of sound system of supersonic imaging logger Download PDFInfo
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- CN105952444B CN105952444B CN201610390800.8A CN201610390800A CN105952444B CN 105952444 B CN105952444 B CN 105952444B CN 201610390800 A CN201610390800 A CN 201610390800A CN 105952444 B CN105952444 B CN 105952444B
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- energy converter
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- sound system
- logger
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- 238000003384 imaging method Methods 0.000 title claims abstract description 64
- 238000013508 migration Methods 0.000 claims abstract description 6
- 230000005012 migration Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 16
- 230000002463 transducing effect Effects 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means 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
- E21B47/14—Means 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
- E21B47/18—Means 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 through the well fluid, e.g. mud pressure pulse telemetry
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geophysics (AREA)
- Acoustics & Sound (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The present invention relates to a kind of sound system of supersonic imaging logger, in the sound system of the supersonic imaging logger provided by the embodiment of the present invention, multiple groups energy converter group, cavity and motor are included at least, every group of energy converter group includes at least an energy converter；Wherein, cavity is for sealing multiple groups energy converter group and motor, and has multiple sound transmitting windows on cavity, and each sound transmitting window is corresponded with each energy converter respectively, so that energy converter carries out sending and receiving for sound wave by sound transmitting window；Motor is used to provide power for the sound system of supersonic imaging logger, including provides rotary power for multiple groups energy converter group；Each energy converter, which rotates a circle, obtains part imaging data to be logged well, so that the imaging data for obtaining each energy converter carries out migration processing, and then obtains the imaging data in same level wait log well one week.The sound system of supersonic imaging logger provided by the present invention ensure that the mechanical strength of the sound system part of supersonic imaging logger while guaranteeing normal use.
Description
Technical field
The present invention relates to acoustic detecting well field more particularly to a kind of sound systems of supersonic imaging logger.
Background technique
Supersonic imaging logger is generally by sound system, signal acquisition, signal transmission and floor treatment and display four
Be grouped as, sound system part has a revolvable ultrasonic probe (or energy converter) to constitute, the probe as transmitting probe and
Receiving transducer.The reflection wave amplitude of measurement and propagation time are shown by 360 ° of orientation in wellbore with image, can analyze the borehole wall
Lithology and surface characteristics (including crack, hole and erosion band), it is also possible to observe the variation of internal surface of sleeve pipe.
In the prior art, rotatable transducer is placed in instrument bottom in supersonic imaging logger, so that rotation transducing
Device part is contacted with the external world, but such mode needs to do dynamic sealing, and rotating part is more fragile, easy to damage；Or it will rotation
Turn energy converter and be placed in instrument middle position, the corresponding position of rotatable transducer in instrument is replaced with by original metal material
Sound material, rotatable transducer can be formed by pipe nipple in acoustic window material to be rotated, but pipe nipple some mechanical intensity is relatively poor, especially
It is when instrument diameters are smaller, it is easy to problem, damage occur.
Summary of the invention
The embodiment of the invention provides a kind of sound systems of supersonic imaging logger, include at least multiple groups energy converter
Group, cavity and motor, every group of energy converter group include at least an energy converter；Wherein,
Cavity has multiple sound transmitting windows for sealing multiple groups energy converter group and motor on cavity, each sound transmitting window respectively with
Each energy converter corresponds, so that energy converter carries out sending and receiving for sound wave by sound transmitting window；Motor be used for for ultrasound at
Rotary power is provided as the sound system offer power of logger, including for multiple groups energy converter group；Each energy converter rotation one
It obtains part imaging data to be logged well week, so that the imaging data for obtaining each energy converter carries out migration processing, and then obtains
Obtain the imaging data in same level wait log well one week.
Optionally, in the sound system of above-mentioned supersonic imaging logger, the material of sound transmitting window is polytetrafluoroethylene (PTFE), chamber
The material of body is metal.
Optionally, in the sound system of above-mentioned supersonic imaging logger, cavity is cylindrical body, and chamber is optionally,
In the sound system of above-mentioned supersonic imaging logger, the horizontal position of each energy converter is different.
The sound system of supersonic imaging logger provided by the embodiment of the present invention is guaranteeing sound system normal use
Under the premise of, it ensure that the mechanical strength of the sound system of supersonic imaging logger.
Detailed description of the invention
Fig. 1 is that a kind of apparatus structure of supersonic imaging logger sound system part provided in an embodiment of the present invention is illustrated
Figure；
Fig. 2 is the sound system partial structure diagram that the embodiment of the present invention one provides；
Fig. 3 is sound system partial structure diagram provided by Embodiment 2 of the present invention.
Specific embodiment
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
In order to solve problems of mechanical strength present in the sound system part of current minor diameter supersonic imaging logger,
The embodiment of the present invention provides a kind of sound system structure of supersonic imaging logger, so that sound system part is guaranteeing normally
Data acquisition while, also can guarantee the mechanical strength of instrument itself.
Fig. 1 is that a kind of apparatus structure of the sound system part of supersonic imaging logger provided in an embodiment of the present invention shows
It is intended to, as shown in Figure 1, sound system part includes at least high voltage bearing cavity 11, multiple groups rotatable transducer group 13 (two groups or two
It is more than group) and motor 12；Wherein,
Cavity 11, it is mostly cylindrical, multiple groups rotatable transducer group 13 and motor 12 are encapsulate in cavity, to rotate transducing
Device group 13 and motor 12 can be isolated with extraneous mud etc., and position corresponding with energy converter has sound transmitting window 14 on cavity, often
The corresponding sound transmitting window 14 of a energy converter, the size of sound transmitting window 14 depend on the number of energy converter and the size of energy converter.
Motor 12 provides power for supersonic imaging logger sound system part, including is multiple groups rotatable transducer group
Multiple energy converters in 13 provide rotary power.
Each energy converter group of multiple groups rotatable transducer group 13 includes at least a rotatable transducer, and each energy converter is corresponding
There is sound transmitting window 14 on the cavity 11 of position, energy converter, which rotates and passes through sound transmitting window 14, sends and receives sound wave, and each transducing
The rotation mode of device need to guarantee that its sound wave is directed toward the inner wall wait interior uniform level face of logging well, each energy converter rotate a circle to obtain to
The part imaging data of well logging, by the imaging data of the energy converter of each different level position in multiple groups rotatable transducer group 13 into
Data Synthesis is carried out after row depth migration, the data of synthesis are the imaging data wait log well one week.For example, such as: super
Acoustic imaging logger sound system part includes two groups of rotatable transducer groups, and every group of energy converter group includes at least a transducing
Device, each energy converter group, which rotates a circle, to be obtained wait 180 ° of the imaging data of logging well, and is finally carried out the data of two energy converters deep
Degree offset, then carry out Data Synthesis and just obtain imaging data wait log well one week.
Optionally, the material of sound transmitting window 14 is sound translative performance compared with good material in the instrument provided by the present embodiment, such as: poly-
Tetrafluoroethene；And mostly metal material of drawing materials selected by cavity 11.
Optionally, the diameter of cavity 11 is less than (or being equal to) 70mm in the present embodiment.
It should be noted that the axial distance between the size and sound transmitting window of sound transmitting window can be according to ultrasonic image logging
The specific works demand of the sound system part of instrument is set, so that the sound system part of supersonic imaging logger exists
While guaranteeing normal use, guarantee the mechanical strength of the sound system part of supersonic imaging logger；The quantity of energy converter
Then set according to supersonic imaging logger actual demand.
The supersonic imaging logger with multiple groups energy converter group is provided in order to more intuitively describe the embodiment of the present invention
The specific work process and principle of sound system part, below by specific embodiment to ultrasonic imaging provided by the present invention
Logger sound system part is further described.
Embodiment one
Fig. 2 is the sound system partial structure diagram that the embodiment of the present invention one provides, as shown in Fig. 2, one institute of embodiment
The sound system part of the supersonic imaging logger of offer includes two groups of energy converter groups 13, and each energy converter group includes one and changes
Energy device, specifically:
Cavity 11, it is mostly cylindrical, multiple groups rotatable transducer group 13 and motor 12 are encapsulate in cavity, to rotate transducing
Device group 13 and motor 12 can be isolated with extraneous mud etc., and position corresponding with energy converter has sound transmitting window 14 on cavity.
Motor 12 provides power for supersonic imaging logger sound system part, including is two groups of rotatable transducer groups
Energy converter 1 and energy converter 2 are for rotary power in 13.
Each energy converter group of two groups of rotatable transducer groups 13 includes a rotatable transducer (energy converter 1 and energy converter 2),
And the rotation mode of 2 energy converters need to guarantee that its sound wave is directed toward the inner wall wait interior uniform level face of logging well；Energy converter 1 passes through cavity
Sound transmitting window 14 corresponding with its position (such as figure S1) carries out sending and receiving for sound wave on 11, and obtains after rotating a circle to be measured
The imaging data of 180 ° of well (such as 0 ° -180 °), energy converter 2 pass through sound transmitting window 14 corresponding with its position (such as figure S2) on cavity 11
It carries out sound wave to send and receive, and obtains after rotating a circle wait the imaging data of other 180 ° (such as 180 ° -360 °) of logging well；
The imaging data of the energy converter 1 of different level position and energy converter 2 is then subjected to depth migration, and carries out Data Synthesis, is obtained
Obtain the imaging data wait log well one week.
It should be noted that being schematic cross-section from position S1 in figure and position S2 it is found that from position S1 and position S2
Sound transmitting window 14 accounts for at least half of 11 circumference of position cavity respectively, and the size of sound transmitting window 14 needs to guarantee at the S1 of position
Energy converter 1 is obtained after rotating a circle wait the imaging data of 180 ° (0 ° -180 °) of logging well, and the size of sound transmitting window 14 needs at the S2 of position
Guarantee that energy converter 2 is obtained after rotating a circle wait the imaging data of other 180 ° (180 ° -360 °) of logging well.
Optionally, the material of sound transmitting window 14 is sound translative performance compared with good material in the instrument provided by the present embodiment, such as: poly-
Tetrafluoroethene；And it is drawn materials selected by cavity 11 as metal material.
Optionally, the diameter of cavity 11 is less than 70mm in the present embodiment.
Embodiment two
Fig. 3 is sound system partial structure diagram provided by Embodiment 2 of the present invention, as shown in figure 3, two institute of embodiment
The sound system part of the supersonic imaging logger of offer includes three groups of energy converter groups 13, and each energy converter group includes one and changes
Energy device, specifically:
Cavity 11, it is mostly cylindrical, multiple groups rotatable transducer group 13 and motor 12 are encapsulate in cavity, to rotate transducing
Device group 13 and motor 12 can be isolated with extraneous mud etc., and position corresponding with energy converter has sound transmitting window 14 on cavity.
Motor 12 provides power for supersonic imaging logger sound system part, including is two groups of rotatable transducer groups
Energy converter 1, energy converter 2 and energy converter 3 provide rotary power in 13.
Each energy converter group of three groups of rotatable transducer groups 13 includes that rotatable transducer (1 energy converter 2 of energy converter and changes
Energy device 3), and the rotation mode of 3 energy converters need to guarantee that its sound wave is directed toward the inner wall wait interior uniform level face of logging well；Energy converter 1
Sending and receiving for sound wave is carried out by sound transmitting window 14 corresponding with its position (such as figure position S1) on cavity 11, and in rotation one
Obtained after week wait the imaging data of 120 ° (such as 0 ° -120 °) of logging well, energy converter 2 by cavity 11 with its position (such as figure position
S2) corresponding sound transmitting window 14 carries out sending and receiving for sound wave, and obtains after rotating a circle wait log well other 120 ° (such as
120 ° -240 °) imaging data, energy converter 3 by sound transmitting window 14 corresponding with its position (such as figure position S3) on cavity 11 into
Row sound wave sends and receives, and the imaging data wait residue 120 ° (such as 240 ° -360 °) of logging well is obtained after rotating a circle；And
The imaging data of the energy converter 1 of different level position, energy converter 2 and energy converter 3 is subjected to depth migration afterwards, and carries out data conjunction
At obtaining the imaging data wait log well one week.
It should be noted that the schematic cross-section of position S1, position S2 and position S3 are it is found that position S1, position from figure
Sound transmitting window 14 at S2 and position S3 accounts for at least one third of 11 circumference of position cavity, and sound transmitting window at the S1 of position respectively
14 size need to guarantee that energy converter 1 is obtained after rotating a circle wait the imaging data of 120 ° (0 ° -120 °) of logging well, at the S2 of position thoroughly
The size of sound window 14 need to guarantee that energy converter 2 is obtained after rotating a circle wait the imaging data of other 120 ° (120 ° -240 °) of logging well,
And at the S3 of position the size of sound transmitting window 14 need to guarantee energy converter 3 obtained after rotating a circle wait log well remaining 120 ° (240 °-
360 °) imaging data.
Optionally, the material of sound transmitting window 14 is sound translative performance compared with good material in the instrument provided by the present embodiment, such as: poly-
Tetrafluoroethene；And it is drawn materials selected by cavity 11 as metal material.
Optionally, the diameter of cavity 11 is less than 70mm in the present embodiment.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (4)
1. a kind of sound system of supersonic imaging logger, which is characterized in that the sound system includes at least multiple groups transducing
Device group, cavity and motor, energy converter group described in every group include at least an energy converter；Wherein,
The cavity for sealing the multiple groups energy converter group and the motor, and has multiple sound transmitting windows, each on the cavity
The sound transmitting window is corresponded with each energy converter respectively, so that the energy converter carries out sound wave by the sound transmitting window
It sends and receives；
The motor provides power for the sound system for supersonic imaging logger, including is the multiple groups energy converter group
Rotary power is provided；
Each energy converter, which rotates a circle, obtains part imaging data to be logged well, so as to obtain each energy converter
Imaging data carries out migration processing, and then obtains the imaging data in same level wait log well one week.
2. the sound system of supersonic imaging logger according to claim 1, which is characterized in that the material of the sound transmitting window
Material is polytetrafluoroethylene (PTFE), and the material of the cavity is metal.
3. the sound system of supersonic imaging logger according to claim 1, which is characterized in that the cavity is cylinder
Body, and the diameter of the cavity is less than 70mm.
4. the sound system of supersonic imaging logger according to claim 1, which is characterized in that each energy converter
Horizontal position it is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610390800.8A CN105952444B (en) | 2016-06-03 | 2016-06-03 | A kind of sound system of supersonic imaging logger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610390800.8A CN105952444B (en) | 2016-06-03 | 2016-06-03 | A kind of sound system of supersonic imaging logger |
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| CN105952444A CN105952444A (en) | 2016-09-21 |
| CN105952444B true CN105952444B (en) | 2019-07-02 |
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| CN106353402B (en) * | 2016-10-21 | 2023-05-16 | 中国电建集团中南勘测设计研究院有限公司 | Wind drilling sound wave testing device and testing method thereof |
| CN107830961B (en) * | 2017-12-06 | 2018-09-14 | 中国地质科学院地质力学研究所 | A kind of underground hydrofracturing induces crack ultrasonic wave dynamic imaging device and system |
| CN111119870B (en) * | 2019-12-30 | 2021-07-13 | 中国科学院武汉岩土力学研究所 | Drilling surrounding rock structure detection device and method based on sound wave circumferential scanning |
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| US4601024A (en) * | 1981-03-10 | 1986-07-15 | Amoco Corporation | Borehole televiewer system using multiple transducer subsystems |
| CN201148865Y (en) * | 2007-11-27 | 2008-11-12 | 中国石油天然气集团公司 | Ultrasonic imaging logging tool |
| CN101363314A (en) * | 2008-09-19 | 2009-02-11 | 辽河石油勘探局 | Ultrasound phased array cased well and front sounding integration detecting method |
| AU2013328995B2 (en) * | 2012-10-12 | 2018-02-01 | Muffin Incorporated | Mechanical scanning ultrasound transducer with micromotor |
| EP2908124A1 (en) * | 2014-02-18 | 2015-08-19 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | Method and a system for ultrasonic inspection of well bores |
| CN105257282A (en) * | 2015-09-28 | 2016-01-20 | 中国科学院声学研究所 | Acoustic logging-while-drilling transmitting unit and device thereof |
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