CN219412567U - Dry hole logging transducer for logging down hole - Google Patents
Dry hole logging transducer for logging down hole Download PDFInfo
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- CN219412567U CN219412567U CN202320754032.5U CN202320754032U CN219412567U CN 219412567 U CN219412567 U CN 219412567U CN 202320754032 U CN202320754032 U CN 202320754032U CN 219412567 U CN219412567 U CN 219412567U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The utility model provides a dry hole logging transducer for measuring a down hole, which comprises a probe and a water reservoir, wherein the probe comprises a supporting connecting piece, a plurality of water bags and a plurality of ultrasonic transducers, the water bags are arranged on the supporting connecting piece at intervals, the ultrasonic transducers are respectively arranged in the water bags, the water reservoir is connected with the water bags through a water pipe, water is filled in the water reservoir, the water reservoir is pressurized, water in the water reservoir enters the water bags or flows in the water bags to return to the water reservoir, and the water bags expand after water is filled and shrink after water is pumped. The utility model can test in the dry hole of the downward hole without injecting water into the dry hole, is applicable to deeper test holes, applies pressure to the water reservoir through the air pump, avoids using a high-lift water pump, improves the application efficiency and reduces the cost, the water reservoir and the water bag are capsule type water injection coupling, water in the capsule can be recycled, the water consumption is low, and the underground test working strength is greatly lightened.
Description
Technical Field
The utility model belongs to the technical field of transducers, and particularly relates to a downward Kong Gankong logging transducer.
Background
Acoustic logging is an important means for researching the geological profile of a well and determining the stratum characteristics and the physical properties of a rock stratum by utilizing acoustic characteristics such as the speed, amplitude, frequency change and the like of acoustic waves when the acoustic waves propagate in different rocks. The acoustic parameters are important means for understanding rock mechanical parameters of rock mass, concrete and the like, determining work area site evaluation, checking working quality, and determining stratum characteristics and physical properties of rock stratum. The dry hole refers to the hole without water in the test hole, and the downward hole refers to the test hole with an inlet above the hole bottom and required to extend downwards into the probe during testing. When the test is carried out on the downward Kong Gankong, water needs to be injected into the test hole to provide a medium for transmission of sound waves, reliable transmission of the sound waves is guaranteed, reliability of sound wave data is guaranteed, and then the test probe is put downward. However, the test probe often extends into the ground by tens of hundreds of meters, so that the water injection workload is high, the time and the labor are consumed, and the test efficiency is reduced.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims to provide the water storage device for the down Kong Gankong logging transducer, which can be used for testing in a down hole dry hole without water injection to the dry hole, reduces the application cost, is applicable to deeper testing holes, presses a water storage device through an air pump, avoids using a high-lift water pump, improves the application efficiency and reduces the cost.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a dry hole logging transducer for survey down hole, includes probe, water reservoir, the probe includes support connecting piece, a plurality of water pocket and a plurality of ultrasonic transducer, and a plurality of water pocket interval arrangement is in on the support connecting piece, a plurality of ultrasonic transducer are installed respectively in a plurality of water pockets, and the water reservoir passes through water piping connection a plurality of water pockets, fills water in the water reservoir, and the water reservoir is exerted pressure, makes the rivers that water in the water reservoir got into water pocket or water pocket return to the water reservoir, and inflation after the water injection in the water pocket is drawn water back shrink.
As a further improvement of the above technical scheme:
the support connecting piece comprises at least two sound insulation pipes, and the water bags and the sound insulation pipes are alternately connected.
There are three ultrasonic transducers, one being a transmitting ultrasonic transducer and two being a receiving ultrasonic transducer.
The transmitting ultrasonic transducer and the two receiving ultrasonic transducers are sequentially arranged along the length direction of the probe.
The logging transducer comprises a water injection adjusting piece, and the water pipe is communicated or cut off through the on or off of the water injection adjusting piece.
The probe is internally provided with a pressure sensor for detecting the pressure in the water sac.
The well logging transducer further comprises a controller and an air pump capable of inflating and exhausting, the air pump is connected with the water reservoir, the air pump, the water reservoir and the water bag are sequentially connected, the water injection adjusting piece is arranged on a water pipe between the air pump and the water reservoir, the air pump, the water injection adjusting piece and the pressure sensor are all electrically connected with the controller, and after the pressure sensor reaches set pressure, the controller controls the air pump and the water injection adjusting piece to be closed.
The logging transducer further comprises an acoustic wave instrument, the acoustic wave instrument is connected with the ultrasonic transducers through wires, and the acoustic wave instrument is used for controlling the emission of acoustic waves and receiving acoustic wave data.
The distance between two adjacent receiving ultrasonic transducers was 200mm.
The water reservoir is no more than 1m from the probe.
The beneficial effects of the utility model are as follows:
1) The logging transducer can be tested in the dry hole of the downward hole, namely, the rock-soil characteristics around the dry hole of the downward hole are detected by utilizing the acoustic technology, water injection to the dry hole is not needed, and the application cost is reduced.
2) The water storage device is arranged, so that the logging transducer is suitable for deeper test holes, the logging transducer is suitable for mine work, the water storage device is pressurized through the air pump, water in the water storage device is pressed into the water sac of the probe, or water in the water sac is sucked back into the water storage device, a high-lift water pump is avoided, the application efficiency is improved, and the cost is reduced.
3) The water storage device and the water bag are capsule type logging transducers, capsule type water injection coupling is adopted, water in the capsule can be recycled, water consumption is low, and underground testing working intensity is greatly reduced.
4) The logging transducer has compact structure, convenient carrying and transferring and flexible use.
Drawings
Fig. 1 is a schematic diagram of the structure of an embodiment of the present utility model.
FIG. 2 is a schematic view of a probe structure with a water bladder in a contracted state according to one embodiment of the present utility model.
FIG. 3 is a schematic view of a probe according to one embodiment of the present utility model positioned in a test well with a water bladder filled with water and then against the well wall.
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The dry hole logging transducer for measuring the down hole comprises a probe, a water receiver 3, an acoustic wave instrument 7, a controller, an air pump, at least one pressure sensor, at least one water injection adjusting piece, a plurality of wires 6 and a plurality of water pipes 5 as shown in figures 1-3.
The probe comprises a support connection, a plurality of water bladders 2 and a plurality of ultrasonic transducers.
The number of ultrasonic transducers is the same as the number of water bags 2. In this embodiment, three water bags 2 and three ultrasonic transducers are provided.
The water bag 2 is an elastomer, and is internally provided with a containing cavity, and when the water bag 2 is filled with water, the water bag expands and contracts after being extracted.
Three ultrasonic transducers are respectively arranged in the three water bags 2, and the three ultrasonic transducers are respectively connected with an acoustic wave instrument 7 through respective leads 6.
In this embodiment, one of the three ultrasonic transducers is a transmitting ultrasonic transducer, and the other two are receiving ultrasonic transducers.
The support connection comprises at least two sound-insulating tubes and at least one second sleeve 14.
In this embodiment, the support connection comprises two sound-insulating tubes, a second sleeve 14 and a first sleeve 13. The two sound insulation pipes are a first sound insulation pipe 11 and a second sound insulation pipe 12 respectively.
In this embodiment, three water bags 2 are arranged at intervals, the three water bags 2 are connected by two sound insulation pipes, two ends of each sound insulation pipe are respectively connected with one water bag 2, namely the sound insulation pipes and the water bags 2 are alternately arranged, and the two sound insulation pipes are coaxially arranged. The second sleeve 14 and the first sleeve 13 are respectively positioned at two ends of the probe, wherein the second sleeve 14 is positioned at one end close to the first sound insulation pipe 11, and the first sleeve 13 is positioned at one end close to the second sound insulation pipe 12. The second sleeve 14 and the first sleeve 13 are respectively connected with different water bags 2. The first sound insulation pipe 11 and the second sleeve 14 are respectively connected to two sides of one water bag 2, and the second sound insulation pipe 12 and the first sleeve 13 are respectively connected to two sides of the other water bag 2. The second sleeve 14, the first sleeve 13, the three water bags 2 and the two sound insulation pipes are connected into a rod-shaped structure.
Preferably, a plurality of grooves in the circumferential direction are formed in the sound insulation pipe at intervals, so that sound insulation is effective to the greatest extent.
In this embodiment, the sound insulation tube is a nylon rod.
The inside of the sound insulation pipe is provided with a through hole for the lead 6 and the water pipe 5 to pass through. The second sleeve 14 is provided with a recess therein for the water supply pipe 5 to extend into and install the pressure sensor.
The wire 6 and the water pipe 5 connected with the probe extend into each water bag 2 after passing through the first sleeve 13. Specifically, one end of the water pipe 5 between the water reservoir 3 and the probe is connected with the water reservoir 3, the other end of the water pipe passes through the first sleeve 13 and then is connected with the water bag 2 between the first sleeve 13 and the second sound insulation pipe 12, and the three water bags 2 are sequentially connected through the water pipe 5. The second sleeve 14 is provided with a water pipe 5, one end of the water pipe 5 in the second sleeve 14 is connected with the water bag 2 between the first sound insulation pipe 11 and the second sleeve 14, and the other end is a blind end.
In this embodiment, the transmitting ultrasonic transducer is located in the water bladder 2 between the first sleeve 13 and the second acoustic pipe 12, and the two receiving ultrasonic transducers are respectively located in the other two water bladders 2. The distance between two adjacent receiving ultrasonic transducers was 200mm.
The water reservoir 3 is provided with an inner cavity, the water reservoir 3 is positioned outside the probe, one end of the water reservoir 3 is connected with the air pump through a water pipe 5, and the other end is connected with the water sac 2 between the first sleeve 13 and the second sound insulation pipe 12 through the water pipe 5. I.e. the water reservoir 3 and the three water bags 2 are connected in sequence by a water pipe 5.
The second sleeve 14 is provided with a pressure sensor for detecting the water pressure in the water pipe 5. Since the water pipe 5 and each water bladder 2 are in communication, the pressure in the water pipe 5 is the pressure in the water bladder 2.
It should be noted that the pressure sensor may be mounted at any position of the connecting tube 5 in the probe, and is not limited to the second sleeve 14.
When the water pipe 5 between the water reservoir 3 and the probe is straightened, the water reservoir 3 is not more than 1m from the probe.
The reservoir 3 is filled with water. The reservoir 3 may be of a flexible, expandable and contractible material, or of a rigid, non-expandable and contractible material.
In this embodiment, the reservoir 3 is flexible to allow for better penetration into the test well 8.
The connection of the wire 6 passing through the water sac 2 and the water sac 2 is sealed.
The air pump is connected with the water reservoir 3, and the air pump can pump air and charge air to the water reservoir 3.
The communication and disconnection between the air pump and the water reservoir 3 is achieved by the opening or closing of the water filling regulating member.
The air pump, the water injection adjusting piece and the pressure sensor are all electrically connected with the controller.
Preferably, the controller, the air pump and the water injection regulating member are arranged in a housing to form an automatic water injector 4.
Further, the automatic injector 4 is provided with a button and a display interface, and the display interface is used for displaying the current state of the logging transducer. The button is used for starting the air pump, setting pressure and the like.
Based on the structure, the working principle and the working process of the utility model are as follows: the probe was placed into the bottom end of test well 8, which was a dry well and a downward well, and the inside of test well 8 was free of water. After the probe is placed in the test hole 8, the transmitting ultrasonic transducer is positioned above the two receiving ultrasonic transducers, the water reservoir 3 can be positioned in the test hole 8, and the water reservoir 3 is positioned above the transmitting ultrasonic transducer.
After the probe is placed in, firstly, an air pump and a water injection adjusting piece are opened, the air pump is communicated with the water reservoir 3, the air pump applies air pressure to the water reservoir 3, water in the water reservoir 3 is pressed into the three water bags 2, the three water bags 2 are inflated by water filling, and the water bags 2 are gradually inflated until the water bags 2 are clung to the hole wall. When the pressure in the water bags 2 reaches a set value, the controller receives the information of the pressure sensor and controls the air pump to be closed and the water injection adjusting piece to be closed, and at the moment, the water injection adjusting piece seals the space formed by the water storage device 3 and the three water bags 2 in a communicating mode, and the internal pressure can be maintained.
Then the acoustic wave instrument 7 is started, the transmitting ultrasonic transducer transmits acoustic waves, the two receiving ultrasonic transducers receive acoustic waves, and the acoustic wave instrument 7 collects acoustic wave data for technicians to perform subsequent analysis.
After the data acquisition is finished, the air pump is restarted, the water injection adjusting piece is opened, the air pump pumps air out of the water reservoir 3, air in the water reservoir 3 is pumped out, negative pressure is formed in the water reservoir 3, water in the three water bags 2 is pumped into the water reservoir 3, and the water bags 2 are contracted. When the pressure in the water bag 2 reaches the set value, the controller controls the air pump to be closed and the water injection adjusting piece to be closed. Finally the probe is removed from the test well 8.
In this embodiment, the water injection adjusting member is an electromagnetic valve.
It is difficult to fill and pump water directly into the water bladder 2 by a water pump or the like without providing the water reservoir 3. The diameter of the test hole 8 is generally narrow, the depth is deeper, often as deep as tens of meters or even hundreds of meters, in this case, the water pump can only be placed on the ground surface, and the probe is placed in the hole as deep as tens of meters or even hundreds of meters, at this time, the distance between the water pump and the water bag 2 is longer, the requirement on the lift of the water pump is higher, and the logging difficulty and cost are increased. In this scheme, the distance between water receiver 3 and water pocket 2 is nearer, and both pressure differences are less, pressurizes water receiver 3 through the air pump that sets up, has simplified system architecture, has reduced the cost.
Finally, what is necessary here is: the above embodiments are only for further detailed description of the technical solutions of the present utility model, and should not be construed as limiting the scope of the present utility model, and some insubstantial modifications and adjustments made by those skilled in the art from the above description of the present utility model are all within the scope of the present utility model.
Claims (10)
1. Be used for surveying down hole dry hole logging transducer, a serial communication port, including probe, water receiver (3), the probe includes support connecting piece, a plurality of water pocket (2) and a plurality of ultrasonic transducer, a plurality of water pocket (2) interval arrangement is in on the support connecting piece, a plurality of ultrasonic transducer install respectively in a plurality of water pocket (2), water receiver (3) are connected a plurality of water pockets (2) through water pipe (5), are filled with water in water receiver (3), water receiver (3) are exerted pressure, make the rivers in water receiver (3) get into water pocket (2) or water flow back water receiver (3) in water pocket (2), expand after the water injection in water pocket (2), shrink after being pumped.
2. The logging transducer of claim 1 wherein: the support connecting piece comprises at least two sound insulation pipes, and the water bags (2) and the sound insulation pipes are alternately connected.
3. The logging transducer of claim 1 wherein: there are three ultrasonic transducers, one being a transmitting ultrasonic transducer and two being a receiving ultrasonic transducer.
4. A logging transducer according to claim 3, wherein: the transmitting ultrasonic transducer and the two receiving ultrasonic transducers are sequentially arranged along the length direction of the probe.
5. The logging transducer of claim 1 wherein: the logging transducer comprises a water injection adjusting piece, and the water pipe (5) is communicated or cut off through the opening or closing of the water injection adjusting piece.
6. The logging transducer of claim 5, wherein: the probe is internally provided with a pressure sensor for detecting the pressure in the water bag (2).
7. The logging transducer of claim 6, wherein: the well logging transducer further comprises a controller and an air pump capable of inflating and exhausting, the air pump is connected with the water receiver (3), the air pump, the water receiver (3) and the water bag (2) are sequentially connected, the water pipe (5) between the air pump and the water receiver (3) is provided with the water injection adjusting piece, the air pump, the water injection adjusting piece and the pressure sensor are electrically connected with the controller, and after the pressure sensor reaches set pressure, the controller controls the air pump and the water injection adjusting piece to be closed.
8. The logging transducer of claim 1 wherein: the logging transducer further comprises an acoustic wave instrument (7), the acoustic wave instrument (7) is connected with the ultrasonic transducers through wires (6), and the acoustic wave instrument (7) is used for controlling the emission and the receiving of acoustic wave data.
9. A logging transducer according to claim 3 or 4, wherein: the distance between two adjacent receiving ultrasonic transducers was 200mm.
10. The logging transducer of claim 1 wherein: the water reservoir (3) is no more than 1m from the probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320754032.5U CN219412567U (en) | 2023-04-07 | 2023-04-07 | Dry hole logging transducer for logging down hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320754032.5U CN219412567U (en) | 2023-04-07 | 2023-04-07 | Dry hole logging transducer for logging down hole |
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| Publication Number | Publication Date |
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| CN219412567U true CN219412567U (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320754032.5U Active CN219412567U (en) | 2023-04-07 | 2023-04-07 | Dry hole logging transducer for logging down hole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703299A (en) * | 2024-02-06 | 2024-03-15 | 山东科技大学 | Visual sealing device and sealing method for gas extraction drilling |
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2023
- 2023-04-07 CN CN202320754032.5U patent/CN219412567U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703299A (en) * | 2024-02-06 | 2024-03-15 | 山东科技大学 | Visual sealing device and sealing method for gas extraction drilling |
| CN117703299B (en) * | 2024-02-06 | 2024-05-14 | 山东科技大学 | Visual sealing device and sealing method for gas extraction drilling |
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