Underground camera shooting equipment

By designing an underground camera equipment including shooting parts, detection parts and protection parts, the synchronization of downhole image acquisition and parameter information is realized, the problem of cross-verification in the prior art is solved, and the richness and reliability of data results are improved. .

CN222321662UActive Publication Date: 2025-01-07PETROCHINA CO LTD +2
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Patent Information

Application Number
CN202323563549.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2025-01-07
Estimated Expiration
2033-12-26

AI Technical Summary

Technical Problem

Existing underground camera equipment cannot meet the needs of multi-parameter cross-verification, and can only obtain video image information and cannot cross-verification with other parameters.

Method used

A downhole camera device including photographing parts, detecting parts and protective parts is designed to realize real-time transmission of images through transmission cables, and obtain more parameter information without increasing the shooting workload, such as temperature pressure. The parameter value obtained by the sensor.

Benefits of technology

The synchronous cross-verification of coal well depth data and other parameters is realized, which improves the richness and reliability of output data results during construction.

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Abstract

The utility model discloses underground camera equipment, including shooting piece, detection piece and protection piece, the shooting piece is used for underground image acquisition, the shooting piece is provided with the shooting end and the installation end that are arranged oppositely, and the installation end is connected with the transmission cable, the detection piece is fixed on the installation end of the shooting piece, and the protection piece is fixed on the detection piece. The protection part is fixedly arranged at the mounting end of the shooting part, the protection part is provided with a first space used for covering the detection part, a groove used for containing a transmission cable is formed in the outer wall of the protection part, and in actual operation, the underground shooting equipment extends to the underground for shooting operation, so that the detection part can be prevented from being damaged. The transmission cable provides real-time transmission of shot images and obtains corresponding parameter values through the detection piece, so that more parameter information is effectively obtained on the premise that the shooting workload is not increased, the depth data of the coal mine and other synchronously obtained parameters are subjected to cross validation, and the accuracy of the coal mine depth data is improved. And the richness of output data results during construction operation is improved.
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Description

Technical Field

[0001] The present application relates to the technical field of coal mine equipment, and in particular to an underground camera device. Background Art

[0002] Downhole camera technology is usually a technical process that uses a pressure-resistant TV camera to scan along the well casing to obtain clear images in an underwater environment. It is an effective auxiliary means for drilling, well repair, handling downhole faults, and monitoring casing conditions. It can synchronously transmit the actual situation downhole to the surface. Images around and below the well wall can be observed at the same time, so that the vertically observed fault images are more intuitive and accurate for fault judgment.

[0003] For coalbed methane well production, this technology can be used to observe the distribution of perforation holes, the blockage of holes, the production status of reservoir fluids, the production of fracturing sand, the corrosion and deformation of casing in old wells, etc. During the video recording process, according to the abnormal conditions observed on site, the well sections with possible problems can be specially photographed, and the camera focus can be adjusted on the key abnormal points to capture the clearest photos. The equipment lifting and lowering speed and the equipment focal length can also be adjusted for the production layer section to carefully observe and study the underground working conditions of the coal reservoir section. However, during the production operation, only video image information can be obtained, and other parameters cannot be obtained, which makes it impossible to cross-validate the depth data of the coal well with other parameters. Utility Model Content

[0004] In view of the defects existing in the prior art, the present application provides a downhole camera device to solve the problem that the downhole camera device in the prior art cannot meet the requirements of multi-parameter cross-validation.

[0005] The above-mentioned purpose of the present application is mainly achieved through the following technical solutions:

[0006] A downhole imaging device, comprising:

[0007] A shooting component, which is used for acquiring downhole images, and has a shooting end and a mounting end which are arranged opposite to each other, and a transmission cable is connected to the mounting end;

[0008] A detection member, the detection member is fixedly arranged on the mounting end of the photographing member;

[0009] A protective member is fixedly arranged on the mounting end of the photographing member, the protective member has a first space for covering the outside of the detecting member, and a groove for accommodating the transmission cable is arranged on the outer wall of the protective member.

[0010] In an optional embodiment, the detection member is provided with a fixing buckle that can be detachably connected to the mounting end.

[0011] In an optional embodiment, the mounting end is provided with a protrusion threadedly connected to the fixing buckle.

[0012] In an optional embodiment, an operating opening is provided at one end of the detecting member away from the photographing member.

[0013] In an optional embodiment, a concave bending portion is provided on the side wall of the protective member to form the groove.

[0014] In an optional embodiment, the height of the protective element is greater than the height of the detection element.

[0015] In an optional embodiment, the cross-section of the protective member is smaller than the end face of the mounting end.

[0016] In an optional embodiment, a buckle for holding the transmission cable is provided in the groove.

[0017] In an optional embodiment, the protective member is made of steel.

[0018] In an optional embodiment, the detection element is a temperature and pressure sensor.

[0019] Compared with the prior art, the advantages of this application are:

[0020] The downhole camera equipment in the present application includes a shooting component, a detection component and a protection component. The shooting component is used for acquiring downhole images. The shooting component has a shooting end and a mounting end that are relatively arranged, and a transmission cable is connected to the mounting end. The detection component is fixedly arranged on the mounting end of the shooting component. The protection component is fixedly arranged on the mounting end of the shooting component. The protection component has a first space for covering the outside of the detection component. A groove for accommodating the transmission cable is provided on the outer wall of the protection component. During actual operation, the downhole camera equipment extends underground to perform shooting operations. The transmission cable provides real-time transmission of the shot images, and simultaneously obtains corresponding parameter values ​​through the detection component. Without increasing the shooting workload, more parameter information can be effectively obtained, thereby cross-verifying the depth data of the coal mine with other parameters obtained synchronously, thereby improving the richness of the output data results during construction operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1A schematic top view of a downhole camera device is provided for an embodiment of the present application;

[0023] Figure 2 A cross-sectional schematic diagram of a downhole camera device is provided for an embodiment of the present application;

[0024] In the figure: 100, shooting member; 101, shooting end; 102, mounting end; 103, transmission cable; 200, detection member; 300, protection member; 301, first space; 302, groove; 303, operation opening; 304, bending portion; 400, fixing buckle. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. The specific structural and functional details disclosed herein are only used to describe the exemplary embodiments of the present invention. However, the present invention can be embodied in many alternative forms, and it should not be understood that the present invention is limited to the embodiments described herein.

[0026] Figure 1 A schematic top view of a downhole camera device is provided for an embodiment of the present application. Figure 2 A cross-sectional schematic diagram of a downhole imaging device is provided for an embodiment of the present application.

[0027] like Figure 1 , Figure 2 As shown, a downhole camera device includes a camera element 100, a detection element 200 and a protection element 300, wherein:

[0028] like Figure 1 , Figure 2 As shown, the photographing component 100 is used for downhole image acquisition. The photographing component 100 has a photographing end 101 and a mounting end 102 that are arranged relatively, and a transmission cable 103 is connected to the mounting end 102. The specifications of the photographing component 100 are based on the image of the target that can be normally and stably output under actual operating conditions as a reference to ensure stable image acquisition at the location, and a real-time connection is performed through the transmission cable 103 to provide remote control and power supply to the photographing component 100 while obtaining the image data information acquired by the photographing component 100 in real time.

[0029] like Figure 1 , Figure 2 As shown, the detection member 200 is fixed on the mounting end 102 of the photographing member 100 and moves with the photographing member 100 in the well to output information obtained at different positions.

[0030] like Figure 1 , Figure 2As shown, the protective member 300 is fixed on the mounting end 102 of the shooting member 100, and the protective member 300 has a first space 301 for covering the outside of the detection member 200. A groove 302 for accommodating the transmission cable 103 is provided on the outer wall of the protective member 300. The detection member 200 is arranged in the first space 301, and the detection member 200 is protected by the protective member 300 to avoid accidents of varying degrees such as collision and falling of the detection member 200 in the well during dynamic operation, thereby improving the stability of the data acquisition process. At the same time, the transmission cable 103 is accommodated in the groove 302, and during the dynamic operation of the transmission cable 103, it is also possible to avoid hooking, entanglement, etc. in the well, thereby improving the overall operation reliability and reducing the difficulty of operation.

[0031] like Figure 1 , Figure 2 As shown, in an optional embodiment, the working principle of the downhole camera device in the present application is: comprising a shooting member 100, a detection member 200 and a protection member 300, the shooting member 100 is used for downhole image acquisition, the shooting member 100 has a shooting end 101 and a mounting end 102 arranged relatively, and the mounting end 102 is connected to a transmission cable 103, the detection member 200 is fixedly arranged on the mounting end 102 of the shooting member 100, the protection member 300 is fixedly arranged on the mounting end 102 of the shooting member 100, and the protection member 300 has a function of In the first space 301 outside the detection member 200, a groove 302 for accommodating the transmission cable 103 is provided on the outer wall of the protection member 300. During actual operation, the underground camera equipment extends underground to perform shooting operations. The transmission cable 103 provides real-time transmission of the captured images and simultaneously obtains the corresponding parameter values ​​through the detection member 200. Without increasing the workload of shooting, more parameter information is effectively obtained, thereby cross-verifying the depth data of the coal mine with other parameters obtained synchronously, thereby improving the richness of the output data results during construction operations.

[0032] like Figure 1 , Figure 2 As shown, in an optional embodiment, the detection piece 200 is provided with a fixing buckle 400 which can be detachably connected to the mounting end 102. The detection piece 200 can be detached through the fixing buckle 400. When there is no need to acquire a certain type of data, the detection piece 200 can be disassembled through the fixing buckle 400, which facilitates the direct operation of the shooting piece 100, avoids unnecessary risks, and improves operability.

[0033] like Figure 1 , Figure 2As shown, in an optional embodiment, the mounting end 102 is provided with a protrusion threadedly connected to the fixing buckle 400. Through the threaded connection between the protrusion and the fixing buckle 400, when the detection member 200 is disassembled or installed, the threaded connection can be quickly operated to improve convenience and stability.

[0034] like Figure 1 , Figure 2 As shown, in an optional embodiment, an operating opening 303 is provided at one end of the detection member 200 away from the shooting member 100, and the operating opening 303 facilitates the disassembly and installation of the detection member 200, and the detection member 200 detects the corresponding data underground through the operating opening 303 during the process of synchronous movement with the shooting member 100.

[0035] like Figure 1 , Figure 2 As shown, in an optional embodiment, the side wall of the protective member 300 is provided with a concave bending portion 304 to form the groove 302. On the one hand, the bending portion 304 forms the groove 302 toward the inside of the first space 301, provides installation space for the transmission cable 103, and forms a certain constraint on the transmission cable 103. On the other hand, the bending portion 304 is recessed toward the inside of the first space 301 to form supports at different positions on the inner side of the protective member 300, thereby increasing the stability and overall strength of the protective member 300.

[0036] like Figure 1 , Figure 2 As shown, in an optional embodiment, the height of the protective member 300 is greater than the height of the detection member 200, so as to prevent one end of the detection member 200 from protruding out of the protective member 300, thereby improving the reliability of the detection member 200 and avoiding collision during movement.

[0037] like Figure 1 , Figure 2 As shown, in an optional embodiment, the cross-section of the protective member 300 is smaller than the end face of the mounting end 102, so as to further improve the reliability of the protective member 300 and prevent the protective member 300 from encroaching on the space in the well.

[0038] like Figure 1 , Figure 2 As shown, in an optional embodiment, a buckle for clamping the transmission cable 103 is provided in the groove 302 to improve the restraint stability of the transmission cable 103.

[0039] In an optional embodiment, the protective member 300 is made of steel to maintain a certain structural strength and provide reliable protection for the detection member 200 .

[0040] In an optional embodiment, the detection element 200 uses a temperature and pressure sensor to detect the temperature and pressure at the location to improve data richness.

[0041] It should be understood that the terms first, second, etc. are only used to distinguish descriptions and should not be understood as indicating or implying relative importance. Although the terms first, second, etc. may be used herein to describe various units, these units should not be limited by these terms. These terms are only used to distinguish one unit from another unit. For example, the first unit may be referred to as the second unit, and similarly, the second unit may be referred to as the first unit without departing from the scope of the exemplary embodiments of the present utility model.

[0042] It should be understood that the term "and / or" in this article is merely a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent three situations: A exists alone, B exists alone, and A and B exist at the same time. The term " / and" in this article describes another relationship between associated objects, indicating that two relationships may exist. For example, A / and B can represent two situations: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the previous and next associated objects are in an "or" relationship.

[0043] It should be understood that in the description of the present invention, the terms "upper", "vertical", "inside", "outside", etc. indicate orientations or positional relationships that are customarily placed when the disclosed product is used, or are orientations or positional relationships that are customarily understood by those skilled in the art. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0044] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a communication between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] The terms used herein are only used to describe specific embodiments and are not intended to limit the exemplary embodiments of the utility model. As used herein, the singular forms "one", "an", and "the" are intended to include plural forms unless the context clearly indicates the opposite meaning. It should also be understood that the terms "include", "comprise", "include", and / or "comprising" when used herein specify the existence of the claimed features, integers, steps, operations, units, and / or components, and do not exclude the existence or increase of one or more other features, quantities, steps, operations, units, components, and / or their combinations.

[0046] Specific details are provided in the following description to facilitate a complete understanding of the exemplary embodiments. However, it should be understood by those of ordinary skill in the art that the exemplary embodiments may be implemented without these specific details. In other embodiments, well-known processes, structures, and techniques may not be shown in unnecessary detail to avoid making the exemplary embodiments unclear.

[0047] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

[0048] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present disclosure, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field.

Claims

1. A downhole camera device, characterized in that: The downhole camera equipment comprises: A shooting component, the shooting component is used for acquiring downhole images, the shooting component has a shooting end and a mounting end arranged opposite to each other, and the mounting end is connected to a transmission cable; A detection member, the detection member is fixedly arranged on the mounting end of the photographing member; A protective member is fixedly arranged on the mounting end of the photographing member, the protective member has a first space for covering the outside of the detecting member, and a groove for accommodating the transmission cable is arranged on the outer wall of the protective member.

2. The downhole imaging device according to claim 1, characterized in that: The detection member is sleeved with a fixing buckle which can be detachably connected to the mounting end.

3. The downhole imaging device according to claim 2, characterized in that: The mounting end is provided with a convex portion which is threadedly connected to the fixing buckle.

4. The downhole imaging device according to claim 1, characterized in that: An operating opening is provided at one end of the detection member away from the photographing member.

5. The downhole imaging device according to claim 1, characterized in that: The side wall of the protection member is provided with an inwardly concave bending portion to form the groove.

6. The downhole imaging device according to claim 1, characterized in that: The height of the protection element is greater than the height of the detection element.

7. The downhole imaging device according to claim 1, characterized in that: The cross section of the protection member is smaller than the end surface of the mounting end.

8. The downhole imaging device according to claim 1, characterized in that: A buckle for holding the transmission cable is arranged in the groove.

9. The downhole imaging device according to claim 1, characterized in that: The protective member is made of steel.

10. The downhole imaging device according to claim 1, characterized in that: The detection element adopts a temperature and pressure sensor.