CN218376442U - Dipole sound insulator capable of realizing arbitrary rotation angle and logging instrument - Google Patents
Dipole sound insulator capable of realizing arbitrary rotation angle and logging instrument Download PDFInfo
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- CN218376442U CN218376442U CN202222450804.4U CN202222450804U CN218376442U CN 218376442 U CN218376442 U CN 218376442U CN 202222450804 U CN202222450804 U CN 202222450804U CN 218376442 U CN218376442 U CN 218376442U
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Abstract
The utility model relates to the technical field of petroleum exploration logging equipment, in particular to a dipole sound insulator capable of realizing any rotation angle, which comprises an upper shell and a lower shell which are connected with each other, wherein the upper shell and the lower shell are respectively provided with a fixed part which is respectively used for being connected with a transmitting sound system and a receiving sound system; the grating direct current motor comprises a grating direct current motor which is electrically connected with a ground instrument through a lead and feeds back rotation parameters, and a stator and a rotor of the grating direct current motor are fixedly connected with the upper shell and the lower shell respectively. The utility model discloses under the condition that does not change current far detection dipole logging instrument structure, can realize the controllable multi-angle rotating of lower part instrument, realize the change in transmission sound system and receiving sound system relative position, extend the far detection dipole received signal of multi-angle to improve instrument position resolution.
Description
Technical Field
The utility model belongs to the technical field of oil exploration logging equipment technique and specifically relates to a can realize arbitrary rotation angle's dipole sound insulator and logging instrument.
Background
The dipole acoustic logging instrument is a new generation acoustic logging instrument, and is mainly used for solving the problems of acoustic logging measurement in soft stratum, direct stratum transverse wave logging, acquisition of stratum stress parameter measurement for guiding well drilling and the like. The multipole acoustic logging represented by dipoles has the advantages that stratum information acquired by one-time downhole is rich, the measurement mode basically covers all open hole acoustic logging methods, and the problems of transverse wave measurement in soft stratum and the like are well solved. The instrument mainly comprises a main electronic circuit, a receiving section, a sound insulator, an emitting section and an emitting electronic circuit 5, and the whole instrument works in a mode of lower sending and upper receiving on the overall layout of the instrument. In operation, the dipole acoustic wave far detection logging is a logging method that a dipole source X-axis transmitting transducer and a dipole source Y-axis transmitting transducer are used for respectively transmitting flexural waves of a kind of transverse waves to a borehole, and a receiving acoustic system four-component receiving transducer is used for receiving the flexural waves reflected by the deep part of a stratum so as to obtain geological information of a reflector at the deep part of the stratum. Because the X-axis and the Y-axis of the transmitting acoustic system and the receiving acoustic system are orthogonally arranged, the orientation consistency of the transmitting acoustic system and the receiving acoustic system is very important for remote detection dipole logging.
In far detection dipole transverse wave well logging, in order to obtain higher azimuth resolution, researches suggest that the azimuth difference between a transmitting sound system and a receiving sound system is changed into controllable relative azimuth difference, so that the azimuth characteristic of an instrument in the measurement process of dipole transverse wave reflected waves is facilitated to be solved, and the defect of 180-degree uncertainty of a reflector is improved. Therefore, the sound insulator is developed to enhance the azimuth resolution of the dipole transverse wave far detection.
Therefore, how to enhance the azimuth resolution of the dipole transverse wave far detection is a technical problem that needs to be solved by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can realize arbitrary rotation angle's dipole sound insulator under the condition that does not change current far detection dipole logging instrument structure, can realize the controllable multi-angle rotating of lower part instrument, realizes the change of transmission sound system and receiving sound system relative position, extends the far detection dipole received signal of multi-angle to improve instrument position resolution.
In order to achieve the above object, the present invention provides a dipole sound insulator capable of realizing any rotation angle, which comprises an upper shell and a lower shell connected with each other, wherein the upper shell and the lower shell are respectively provided with a fixing part for connecting with a transmitting sound system and a receiving sound system; the grating direct current motor comprises a grating direct current motor, wherein the grating direct current motor is electrically connected with a ground instrument through a lead and feeds back rotation parameters, and a stator and a rotor of the grating direct current motor are fixedly connected with the upper shell and the lower shell respectively.
Furthermore, a sealing joint is arranged between the rotor and the upper shell or the lower shell, the end part of the sealing joint extends into the upper shell and/or the lower shell, and a sealing ring is arranged between the sealing joint and the upper shell and/or the lower shell.
Furthermore, the dipole sound insulator further comprises bearing blocks arranged at two ends of the dipole sound insulator, and the bearing blocks at the two ends are electrically connected with a slip ring arranged between the upper shell and the lower shell through wires.
Further, the device also comprises a pressure balancing device arranged on the upper shell and/or the lower shell.
Further, the fixing part is provided with a protective cap.
The application also discloses a logging instrument which comprises the dipole sound insulator capable of realizing any rotation angle, wherein the dipole sound insulator is arranged between the transmitting sound system and the receiving sound system.
Compared with the prior art, the utility model discloses under the condition that does not change current far detection dipole logging instrument structure, can realize the controllable multi-angle rotating of lower part instrument, realize the change of transmission sound system and receiving sound system relative position, X in making lower part transmission sound system and receiving sound system, Y sound source and the required receiving party position change of the received signal of four component reception transducers, provide the received information component of multi-angle in the wellhole, extend the far detection dipole received signal of multi-angle to improve instrument position resolution.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic sectional structure of the present invention;
in the drawings: the device comprises a protective cap 1, a lower shell 2, a grating direct current motor 3, a sealing joint 4, a sliding ring 5, a pressure balancing device 6, an upper shell 7 and a pressure bearing block 8.
Detailed Description
The core of the utility model is to provide a can realize arbitrary rotation angle's dipole sound insulator, under the condition that does not change present far detection dipole logging instrument structure, can realize the controllable multi-angle rotating of lower part instrument, realize the change of transmission sound system and receiving sound system relative position, X in messenger lower part transmission sound system and the receiving sound system, the required receiving side position change of the received signal of Y sound source and four quantums receiving transducer, the received information component of multi-angle in the well hole is provided, extend the far detection dipole received signal of multi-angle, with improvement instrument position resolution.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1, a dipole sound insulator capable of realizing any rotation angle comprises an upper shell 7 and a lower shell 2 which are connected with each other, wherein the upper shell 7 and the lower shell 2 are respectively provided with a fixing part for being connected with a transmitting sound system and a receiving sound system; go up casing 7 with be provided with the realization between the casing 2 down go up casing 7 with casing 2 relative pivoted drive division down, drive division is including being used for through wire and ground instrument electricity be connected, and feedback rotation parameter's grating direct current motor 3, grating direct current motor 3's stator and rotor respectively with go up casing 7 with casing 2 fixed connection down.
When the device works, a direct current power supply is supplied to the grating direct current motor 3 before the ground enters a well, and the rotating angle of the device is calculated by calculating the rotating number of the grating motor. When the motor is installed and the initial angle corresponds to the standard line of the instrument, the motor rotates for one circle by 360 degrees and the grating encoder rotates for one circle to output quantitative pulse numbers, so that the rotating angle =360 degrees/pulse number represented by each pulse, the angle represented by the output pulse numbers after the motor rotates for a certain angle can be obtained, and the rotating relative angle of the upper receiving sound system relative to the lower transmitting sound system can be calculated by multiplying the rotating pulse numbers by the rotating angle represented by each pulse number. The device can realize controllable multi-angle rotation of the lower part instrument without changing the structure of the existing far detection dipole logging instrument, realizes the change of the relative position of the transmitting sound system and the receiving sound system, enables the position of a receiving party required by the X sound source, the Y sound source and the receiving signal of the four-component receiving transducer in the lower part transmitting sound system and the receiving sound system to be changed, provides the receiving information component of multiple angles in a well hole, expands the multi-angle far detection dipole receiving signal and improves the position resolution ratio of the instrument.
In a specific embodiment, further, a sealing joint 4 is disposed between the rotor and the upper casing 7 or the lower casing 2, two ends of the sealing joint 4 respectively extend into the upper casing 7 and/or the lower casing 2, and a sealing ring is disposed between the sealing joint 4 and the upper casing 7 and/or the lower casing 2. In the specific operation, taking the stator of the grating dc motor 3 and the lower housing 2 as an example, at this time, the rotor of the grating dc motor 3 is fixedly connected with the sealing joint 4, the sealing joint 4 is cylindrical, the sealing joint 4 is fixedly connected with the upper housing 7 through the connecting device, and when the grating dc motor 3 works, the relative rotation between the upper housing 7 and the lower housing 2 is realized.
In a specific embodiment, further, the dipole sound insulator further comprises pressure blocks 8 arranged at two ends of the dipole sound insulator, and the pressure blocks 8 at two ends are electrically connected with the slip ring 5 arranged between the upper shell 7 and the lower shell 2 through conducting wires. The bearing block 8 and the slip ring 5 are both in the prior art, the bearing block 8 is mainly used for realizing the electric connection setting under the isolation state between the upper part and the lower part of the bearing block 8, and the slip ring 5 is used for the sliding connection setting between the electric connection devices between the upper shell 7 and the lower shell 2.
In a specific embodiment, further, still include set up in go up casing 7 and/or the pressure balance device 6 of casing 2 down, pressure balance device 6 is common protection device in the logging instrument, mainly through piston reciprocating motion under the external pressure effect, realizes the pressure balance between the inside and outside of instrument to the environment of protection piston one side sets up with the isolation of external environment, through pressure balance device 6, can effectually guarantee the cleanness of instrument internal plant operational environment, and effectively avoids the accident that external pressure changes and damages equipment to take place.
In a particular embodiment, further, the fixation part is provided with a protective cap 1.
The application also discloses a logging instrument, including set up the above-mentioned dipole sound insulator that can realize arbitrary rotation angle between transmission sound system and the receiving sound system, realize the angularly adjustable between transmitting terminal and the receiving terminal, realize expanding the far detection dipole received signal of multi-angle to improve the purpose of instrument position resolution.
Finally, it should also be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed in the embodiment corresponds to the method disclosed in the embodiment, so that the description is simple, and the relevant points can be referred to the description of the method part.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a can realize arbitrary rotation angle's dipole sound insulator which characterized in that: the acoustic microphone comprises an upper shell (7) and a lower shell (2) which are connected with each other, wherein the upper shell (7) and the lower shell (2) are respectively provided with fixing parts which are respectively used for being connected with a transmitting acoustic system and a receiving acoustic system; go up casing (7) with be provided with the realization down between casing (2) go up casing (7) with casing (2) relative pivoted drive division down, drive division is including being used for through the wire with ground instrument electricity be connected, and feedback rotating parameter's grating direct current motor (3), the stator and the rotor of grating direct current motor (3) respectively with go up casing (7) with casing (2) fixed connection down.
2. The dipole sound insulator capable of realizing any rotation angle as claimed in claim 1, wherein: the rotor with go up casing (7) or be provided with sealing joint (4) between casing (2) down, the tip of sealing joint (4) stretches into go up casing (7) and/or casing (2) down, sealing joint (4) with go up casing (7) and/or be provided with the sealing washer between casing (2) down.
3. The dipole sound insulator capable of realizing any rotation angle as claimed in claim 1, wherein: the dipole sound insulator is characterized by further comprising bearing blocks (8) arranged at two ends of the dipole sound insulator, wherein the bearing blocks (8) arranged at the two ends are electrically connected with a slip ring (5) arranged between the upper shell (7) and the lower shell (2) through wires.
4. The dipole sound insulator capable of realizing any rotation angle as claimed in claim 1, wherein: the device also comprises a pressure balancing device (6) arranged on the upper shell (7) and/or the lower shell (2).
5. The dipole sound insulator capable of realizing any rotation angle as claimed in claim 1, wherein: the fixing part is provided with a protective cap (1).
6. A logging tool, comprising: the dipole sound insulator capable of realizing any rotation angle, which is arranged between a transmitting sound system and a receiving sound system, is arranged according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222450804.4U CN218376442U (en) | 2022-09-15 | 2022-09-15 | Dipole sound insulator capable of realizing arbitrary rotation angle and logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222450804.4U CN218376442U (en) | 2022-09-15 | 2022-09-15 | Dipole sound insulator capable of realizing arbitrary rotation angle and logging instrument |
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| Publication Number | Publication Date |
|---|---|
| CN218376442U true CN218376442U (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222450804.4U Active CN218376442U (en) | 2022-09-15 | 2022-09-15 | Dipole sound insulator capable of realizing arbitrary rotation angle and logging instrument |
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| Country | Link |
|---|---|
| CN (1) | CN218376442U (en) |
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2022
- 2022-09-15 CN CN202222450804.4U patent/CN218376442U/en active Active
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