CN220036654U - Packaging device for acoustic wave transmitting transducer while drilling - Google Patents
Packaging device for acoustic wave transmitting transducer while drilling Download PDFInfo
- Publication number
- CN220036654U CN220036654U CN202321483351.3U CN202321483351U CN220036654U CN 220036654 U CN220036654 U CN 220036654U CN 202321483351 U CN202321483351 U CN 202321483351U CN 220036654 U CN220036654 U CN 220036654U
- Authority
- CN
- China
- Prior art keywords
- transmitting transducer
- welding head
- drilling
- end welding
- transducer
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 38
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 33
- 238000003466 welding Methods 0.000 claims abstract description 47
- 239000000919 ceramic Substances 0.000 claims abstract description 25
- 239000013078 crystal Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 229920002545 silicone oil Polymers 0.000 claims abstract description 6
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 239000000565 sealant Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000026683 transduction Effects 0.000 description 2
- 238000010361 transduction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a packaging device of an acoustic wave transmitting transducer while drilling, which comprises a drill collar, a transmitting transducer sheath, a packaging device of the transmitting transducer while drilling, a fixing screw and a packaging unit, wherein the packaging device of the transmitting transducer while drilling is arranged on the drill collar in a nested mode. The transmitting transducer sheath is fixed to the drill collar through the fixing screw, so that the transmitting transducer packaging device while drilling is effectively fixed and protected; the packaging unit consists of a transmitting transducer seat, an upper end welding head, a lower end welding head, a ceramic crystal plate, an insulating layer, a waveform cover plate, an oil filling plug and a piezoelectric sealing needle. According to the packaging device for the acoustic wave transmitting transducer while drilling, the transducer ring piece is packaged into the metal annular sealing bin, the bin is filled with silicone oil, oil pressure compensation is carried out through deformation of the thin-wall waveform cover plate of the annular sealing bin, the transducer cannot be directly soaked in mud, the problem of insulation decline of the transducer is solved, and the transducer can be used for a long time.
Description
Technical Field
The utility model relates to the technical field of logging devices in logging while drilling, in particular to a packaging device of an acoustic wave transmitting transducer while drilling.
Background
With the expansion of the scale of drilling and the development of logging technology. Particularly, the development of logging while drilling technology, the superiority of logging while drilling over conventional cable logging is increasingly reflected, and the great development of logging while drilling is known. While acoustic logging while drilling is one of the methods of logging while drilling. Because the while-drilling instrument is internally provided with a water hole for mud, all the transmitting transducers are arranged on the outer wall of the drill collar main body, and the transducers are difficult to be immersed into oil for coupling like a cable logging instrument.
At present, the ring-shaped encapsulated transmitting transducer encapsulation device is mature. The transducer with the structure adopts an annular sheet ceramic crystal structure, the annular sheet of the transducer is packaged on an annular strip sheet, the annular strip sheet structure leads out a signal wire of the annular sheet of the transducer through a sealing structure, and the signal wire is electrically connected with an internal electronic circuit through a specially designed sealing electric connection connector;
the transducer adopting the epoxy resin pouring sealant is directly soaked in the slurry, so that the slurry water vapor can permeate into the ceramic crystal through the gap of the epoxy resin pouring sealant due to long-term placement in the slurry, thereby causing the damage and failure of the transducer, and the performance of the transducer is directly affected by the quality of the pouring sealant.
Disclosure of Invention
The utility model aims to provide a packaging device for an acoustic wave transmitting transducer while drilling, which aims to solve the problems that in the background art, mud water vapor can permeate into ceramic crystals through gaps of epoxy resin pouring sealant to cause damage and failure of the transducer and the performance of the transducer is directly influenced by the quality of pouring.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the packaging device of the acoustic wave transmitting transducer while drilling comprises a drill collar, a transmitting transducer sheath, the packaging device of the acoustic wave transmitting transducer while drilling, a fixing screw and a packaging unit, wherein the packaging device of the acoustic wave transmitting transducer while drilling is arranged on the drill collar in a nested manner;
the transmitting transducer sheath is fixed to the drill collar through the fixing screw, so that the transmitting transducer packaging device while drilling is effectively fixed and protected;
the packaging unit consists of a transmitting transducer seat, an upper end welding head, a lower end welding head, a ceramic crystal plate, an insulating layer, a waveform cover plate, an oil filling plug and a piezoelectric sealing needle;
the end of the transmitting transducer seat is provided with an upper end welding head and a lower end welding head, a ceramic crystal plate and an insulating layer are arranged between the upper end welding head and the lower end welding head, the outer sides of the ceramic crystal plate and the insulating layer are in butt joint with a waveform cover plate, and the outer side of the upper end welding head is provided with an oil injection plug and a piezoelectric sealing needle.
Further, the transmitting transducer seat, the upper end welding head, the lower end welding head and the waveform cover plate are welded to form a sealed bin.
Further, the insulating layer is coated around the ceramic crystal plate, so that the ceramic crystal plate is insulated from the shell.
Further, the piezoelectric sealing pin is arranged on the upper end welding head, and the ceramic crystal piece signal lead-out wire is welded to the upper end of the upper end welding head.
Furthermore, the oil filling plug is arranged on the upper end welding head and the lower end welding head after the sealing bin is filled with silicone oil.
Furthermore, the while-drilling transmitting and transduction packaging device can be divided into a plurality of transmitting transducer packages for combined use according to actual conditions.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the packaging device for the acoustic wave transmitting transducer while drilling, the transducer ring piece is packaged into the metal annular sealing bin, the bin is filled with silicone oil, oil pressure compensation is carried out through deformation of the thin-wall waveform cover plate of the annular sealing bin, the transducer cannot be directly soaked in mud, the problem of insulation decline of the transducer is solved, and the transducer can be used for a long time;
2. compared with the existing transmitting transducer packaging device, the while-drilling acoustic transmitting transducer packaging device has obvious advantages, particularly improves the insulating performance of the transducer and prolongs the service life.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model in a front cross-section;
FIG. 2 is a schematic diagram of a front cross-sectional structure of a ceramic wafer of the present utility model;
FIG. 3 is a schematic side view of the oil filler plug of the present utility model;
FIG. 4 is a schematic view of the structure A-A of FIG. 2 according to the present utility model;
fig. 5 is a schematic diagram of a prior art structure.
In the figure: 1. a drill collar; 2. a transmit transducer sheath; 3. the while-drilling transmitting transducer packaging device; 4. a fixing screw; 5. a lower end welding head; 6. a ceramic crystal plate; 7. an insulating layer; 8. a welding head at the upper end; 9. a wave cover plate; 10. an oil filling plug; 11. a piezoelectric seal needle; 12. a transmitting transducer mount.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the packaging device of the acoustic wave transmitting transducer while drilling comprises a drill collar 1, a transmitting transducer sheath 2, a packaging device of the transmitting transducer while drilling 3, a fixing screw 4, a lower end welding head 5, a ceramic crystal plate 6, an insulating layer 7, an upper end welding head 8, a waveform cover plate 9, an oil filling plug 10, a piezoelectric sealing needle 11 and a transmitting transducer seat 12.
In this embodiment:
the while-drilling transmitting transducer packaging device 3 is mounted on the drill collar 1 in a nested manner;
the transmitting transducer sheath 2 is fixed on the drill collar 1 through the fixing screw 4, so that the transmitting transducer packaging device while drilling 3 is effectively fixed and protected;
the packaging unit consists of a transmitting transducer seat 12, an upper end welding head 8, a lower end welding head 5, a ceramic crystal plate 6, an insulating layer 7, a waveform cover plate 9, an oil filling plug 10 and a piezoelectric sealing needle 11;
the end of the transmitting transducer seat 12 is provided with an upper end welding head 8 and a lower end welding head 5, a ceramic crystal plate 6 and an insulating layer 7 are arranged between the upper end welding head 8 and the lower end welding head 5, the outer sides of the ceramic crystal plate 6 and the insulating layer 7 are in butt joint with a waveform cover plate 9, and the outer side of the upper end welding head 8 is provided with an oil filling plug 10 and a piezoelectric sealing needle 11.
And welding treatment is carried out among the transmitting transducer seat 12, the upper end welding head 8, the lower end welding head 5 and the waveform cover plate 9 to form a sealed bin. The insulating layer 7 is wrapped around the ceramic crystal plate 6 to insulate the ceramic crystal plate 6 from the housing. The piezoelectric sealing pin 11 is mounted on the upper end welding head 8, and the signal lead-out wire of the ceramic crystal chip 6 is welded to the upper end of the upper end welding head 8. The oil filling plug 10 is filled with silicone oil in the sealing bin and then is mounted on the upper end welding head 8 and the lower end welding head 5. The while-drilling transmitting transduction packaging device can be divided into a plurality of transmitting transducer packages for combined use according to actual conditions
The high-temperature insulating material is filled around the transducer ring piece and then is plugged into a metal annular sealing bin, the transducer signal wire is led out through a piezoelectric sealing needle 11, silicone oil is filled in the metal annular sealing bin, the metal annular sealing bins form a whole ring, the whole ring is fixed on the outer wall of the drill collar 1 through an annular gland, the signal wire is electrically connected with an internal electronic circuit through a specially designed sealed electrical connection connector, and the transducer is not contacted with slurry completely
What is not described in detail in this specification is prior art known to those skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a while-drilling sound wave transmitting transducer packaging hardware, includes drill collar (1), transmitting transducer sheath (2), while-drilling transmitting transducer packaging hardware (3), set screw (4) and encapsulation unit, its characterized in that: the while-drilling transmitting transducer packaging device (3) is mounted on the drill collar (1) in a nested manner;
the transmitting transducer sheath (2) is fixed to the drill collar (1) through the fixing screw (4), so that the transmitting transducer packaging device while drilling (3) is effectively fixed and protected;
the packaging unit consists of a transmitting transducer seat (12), an upper end welding head (8), a lower end welding head (5), a ceramic crystal plate (6), an insulating layer (7), a waveform cover plate (9), an oil filling plug (10) and a piezoelectric sealing needle (11);
the end of the transmitting transducer seat (12) is provided with an upper end welding head (8) and a lower end welding head (5), a ceramic crystal plate (6) and an insulating layer (7) are arranged between the upper end welding head (8) and the lower end welding head (5), the outer sides of the ceramic crystal plate (6) and the insulating layer (7) are in butt joint with a waveform cover plate (9), and the outer side of the upper end welding head (8) is provided with an oil filling plug (10) and a piezoelectric sealing needle (11).
2. A while drilling acoustic wave transmitting transducer package according to claim 1, wherein: and the transmitting transducer seat (12), the upper end welding head (8), the lower end welding head (5) and the waveform cover plate (9) are subjected to welding treatment to form a sealed bin.
3. A while drilling acoustic wave transmitting transducer package according to claim 1, wherein: the insulating layer (7) is coated on the periphery of the ceramic crystal plate (6) to insulate the ceramic crystal plate (6) from the shell.
4. A while drilling acoustic wave transmitting transducer package according to claim 1, wherein: the piezoelectric sealing needle (11) is arranged on the upper end welding head (8), and the signal lead-out wire of the ceramic crystal piece (6) is welded to the upper end of the upper end welding head (8).
5. A while drilling acoustic wave transmitting transducer package according to claim 1, wherein: the oil filling plug (10) is arranged on the upper end welding head (8) and the lower end welding head (5) after the sealing bin is filled with silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321483351.3U CN220036654U (en) | 2023-06-12 | 2023-06-12 | Packaging device for acoustic wave transmitting transducer while drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321483351.3U CN220036654U (en) | 2023-06-12 | 2023-06-12 | Packaging device for acoustic wave transmitting transducer while drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036654U true CN220036654U (en) | 2023-11-17 |
Family
ID=88722809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321483351.3U Active CN220036654U (en) | 2023-06-12 | 2023-06-12 | Packaging device for acoustic wave transmitting transducer while drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036654U (en) |
-
2023
- 2023-06-12 CN CN202321483351.3U patent/CN220036654U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201184802Y (en) | Ultrasonic flux transducer | |
| CN220036654U (en) | Packaging device for acoustic wave transmitting transducer while drilling | |
| CN205484666U (en) | Sensor is put in built -in ultrasonic wave office | |
| CN205961404U (en) | Transducer structure suitable for under water | |
| CN203274997U (en) | Waterproof sealing device for force sensor of underwater measurement | |
| CN111257944B (en) | Multipole transmitting transducer of while-drilling multipole acoustic imaging logging instrument and working method thereof | |
| CN216026027U (en) | Ultrasonic transducer | |
| CN202994226U (en) | Ultrasonic water meter transducer | |
| CN207723036U (en) | Welding ultrasonic transducer at a kind of piezoelectric element | |
| CN201726095U (en) | Oil-charging insulating annular cable head | |
| CN201368051Y (en) | Sealing device for lead-out cable conductors in pump | |
| CN107843929B (en) | A kind of sound insulating structure in acoustic logging | |
| CN212622420U (en) | Welded probe package | |
| CN212844055U (en) | Temperature sensor for engine shell | |
| CN210322107U (en) | Bonding type probe package | |
| CN207966721U (en) | The ocean inductively underwater magnet ring of data transmission | |
| CN214366036U (en) | Mounting structure of high pressure resistant microphone | |
| CN214538331U (en) | Special ultrasonic probe with tightening device for hexagon socket head cap screw | |
| CN211696536U (en) | Flow transducer | |
| CN112509542A (en) | Underwater acoustic transducer | |
| CN218822546U (en) | Precession vortex gas flow piezoelectric sensor | |
| CN112525265A (en) | Temperature vibration composite sensor | |
| CN206168741U (en) | Transducer | |
| CN112153528B (en) | Vector hydrophone of composite cymbal type piezoelectric ceramic transducer | |
| CN216410239U (en) | Explosion-proof electrical box suitable for sensor acquisition instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |