Oil pipe high-pressure gas leakage detection device
By designing a retractable detection sheath and adjustable positioning components, the problem that existing oil pipe leakage detection devices cannot adapt to different sizes is solved, and efficient inspection of oil pipes of different sizes is achieved.
Patent Information
- Application Number
- CN202422370879.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-27
AI Technical Summary
The existing oil pipe leakage detection device cannot adapt to oil pipes of different sizes, resulting in inconvenience in use.
A high-pressure gas leakage detection device for oil pipes is designed, using a retractable detection sheath and adjustable positioning components, which are suitable for oil pipes of different sizes through airbag sealing and probe detection.
Effective detection of oil pipes of different sizes is achieved, and the practicality and detection efficiency of the device are improved.
Smart Images
Figure CN223122440U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil pipe leak detection, in particular to a high-pressure gas leak detection device for oil pipes. Background Technique
[0002] An oil pipe is a pipeline that transports crude oil and natural gas from an oil and gas reservoir to the surface after drilling is completed. It is used to withstand the pressure generated during the exploitation process. In order to ensure the normal use of the oil pipe, during processing, high-pressure oil pipes need to be leak-tested.
[0003] Existing leak detection devices generally form an annular columnar sealed space at the oil pipe coupling part through a packer, then inject high-pressure helium gas into this sealed space, then wrap the outside of the coupling part with a sheath, and then put the probe of a helium leak detector into the sheath to detect whether there is gas leakage. However, due to the different diameters of oil pipes, the existing sheaths are not convenient for applying to oil pipes of different sizes. Therefore, further improvement can be made. Content of the Utility Model
[0004] To solve the above-mentioned problems, the utility model provides the following technical solution: a high-pressure gas leak detection device for oil pipes, including an oil pipe body and a helium leak detector. A packer is arranged at the internal coupling of the oil pipe body. Two detection sheaths are sleeved outside the coupling part of the oil pipe body. Two wires are connected to the outside of the helium leak detector. Probes are arranged at the ends of the wires. The two probes are respectively inserted into the upper and lower sides of the detection sheaths. Positioning components for installation and positioning are arranged on both sides of the detection sheaths. Air bags are arranged on the upper and lower inner walls of the detection sheaths, and the air bags surround the outside of the oil pipe body. Whether there is gas leakage is detected in real time through the probes. If leakage occurs, an alarm will be triggered. At the same time, the air bags play a role in blocking the gas in the detection sheaths, which is convenient for detection through the probes.
[0005] As an optimization, the air bag is a retractable corrugated structure, which is convenient for applying to oil pipes of different sizes.
[0006] As an optimization, the positioning component includes support ears fixedly installed on both sides of the detection sheath. A threaded cylinder is fixedly installed on the outside of the support ears. A bidirectional thread is threadedly connected inside the threaded cylinder. By twisting the bidirectional thread to rotate inside the threaded cylinder, the support ears on both sides will move relatively, and then the detection sheath can be fixed by closing or disassembled and opened.
[0007] As an optimization, a support rod is inserted into the middle of the bidirectional thread. By turning the support rod, the bidirectional thread can be driven to rotate, which is convenient for sleeving the two detection sheaths outside the coupling part.
[0008] As an optimization, a clamping plate is arranged inside the detection sheath. Fixed blocks are fixedly installed on both outer arc sides of the clamping plate. A guide rod is fixedly installed on the front surface of the fixed block, and a compression spring is sleeved on the outer side of the guide rod.
[0009] As an optimization, the guide rod penetrates through the detection sheath, and the compression spring is fixedly installed between the inner wall of the detection sheath and the fixed block. The guide rods on both sides play a role of guiding and limiting the clamping plate. Due to the elastic force of the compression spring itself, when the two sides of the detection sheath are closed, the clamping plate will be pushed back to clamp on the outer side of the oil pipe.
[0010] As an optimization, a cushion is arranged on one inner arc side of the clamping plate, and the cushion is made of rubber material. By contacting and surrounding the outer side of the oil pipe through the cushion, the contact friction is increased, and it can also play a certain protective role.
[0011] The beneficial effects of the present utility model are as follows:
[0012] 1. For this high-pressure gas leak detection device for oil pipes, by inserting the support rod into the middle of the double-thread, after turning the support rod, the double-thread can be driven to rotate in the threaded barrel, and then the support ears on both sides will move relatively. Therefore, the detection sheaths can be closed and fixed, so that the two detection sheaths are sleeved on the oil pipe coupling. At the same time, exhaust air into the airbag, so that the airbag expands and surrounds the outer side of the oil pipe, thus facilitating the application to oil pipes of different sizes.
[0013] 2. For this high-pressure gas leak detection device for oil pipes, when the two detection sheaths approach each other, the clamping plate will abut against the outer side of the oil pipe and compress the compression spring. Due to the elastic force of the compression spring itself, the clamping plate will be pushed back to clamp on the outer side of the oil pipe, thereby being able to apply to oil pipes of different sizes and improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic structural diagram of the present utility model;
[0015] Figure 2 is a schematic structural diagram of the detection sheath of the present utility model;
[0016] Figure 3 is a schematic internal structural diagram of the detection sheath of the present utility model;
[0017] Figure 4 is a schematic clamping structure diagram of the present utility model.
[0018] In the figure: 1, oil pipe body; 2, helium leak detector; 3, detection sheath; 4, wire; 5, probe; 6, positioning component; 7, airbag; 8, support ear; 9, threaded barrel; 10, double-thread; 11, support rod; 12, clamping plate; 13, fixed block; 14, guide rod; 15, compression spring; 16, cushion. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application.
[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0021] Please refer to Figure 1 , a high-pressure gas leak detection device for an oil pipe, comprising an oil pipe body 1 and a helium leak detector 2. A packer is arranged at the internal coupling of the oil pipe body 1. Two detection sheaths 3 are sleeved outside the coupling part of the oil pipe body 1. Two wires 4 are connected to the outside of the helium leak detector 2. Probes 5 are arranged at the ends of the wires 4. The two probes 5 are respectively inserted into the upper and lower sides inside the detection sheaths 3. Positioning components 6 for installation and positioning are arranged on both sides of the detection sheaths 3. Air bags 7 are arranged on the upper and lower inner walls of the detection sheaths 3. The air bags 7 are of a telescopic corrugated structure, which is convenient for adapting to oil pipes of different sizes. And the air bags 7 surround the outside of the oil pipe body 1. The probes 5 are used to detect whether there is gas leakage in real time. If leakage occurs, an alarm will be triggered. At the same time, the air bags 7 play a role in blocking the gas inside the detection sheaths 3, which is convenient for detection by the probes 5.
[0022] Please refer to Figures 2-3 , the positioning component 6 includes lugs 8 fixedly installed on both sides of the detection sheath 3. A threaded cylinder 9 is fixedly installed on the outside of the lugs 8. A double-thread 10 is threadedly connected inside the threaded cylinder 9. A support rod 11 is inserted in the middle of the double-thread 10. By turning the support rod 11, the double-thread 10 can be driven to rotate inside the threaded cylinder 9, which will cause the lugs 8 on both sides to move relatively. Then the detection sheath 3 can be closed and fixed or disassembled and opened, which is convenient for disassembly and assembly;
[0023] Please refer to Figures 3-4, inside the detection sheath 3, there is a clamping plate 12. On both outer arc sides of the clamping plate 12, fixing blocks 13 are fixedly installed. On the front of the fixing blocks 13, guide rods 14 are fixedly installed. The guide rods 14 penetrate through the detection sheath 3. A compression spring 15 is sleeved on the outer side of the guide rods 14, and the compression spring 15 is fixedly installed between the inner wall of the detection sheath 3 and the fixing blocks 13. The guide rods 14 on both sides play a guiding and limiting role for the clamping plate 12. Due to the elastic force of the compression spring 15 itself, when closing the two sides of the detection sheath 3, the clamping plate 12 will be pushed back to clamp on the outer side of the oil pipe, and thus it can be applicable to oil pipes of different sizes, improving the practicability;
[0024] Please refer to Figures 3-4 , on one inner arc side of the clamping plate 12, there is a cushion 16, and the cushion 16 is made of rubber material. By contacting and surrounding the outer side of the oil pipe through the cushion 16, the contact friction force is increased, and it can also play a certain protective role.
[0025] When in use, first, put the detection sheaths 3 on both sides on the coupling part, then insert the support rod 11 into the middle of the double - threaded part 10 and turn it. So, it will drive the double - threaded part 10 to rotate in the threaded barrel 9, and then the support ears 8 on both sides will move relatively. Therefore, the detection sheaths 3 can be closed and fixed, making the detection sheaths 3 on both sides cover the oil pipe coupling. At the same time, exhaust air into the airbag 7, making the airbag 7 expand and surround the outer side of the oil pipe;
[0026] Meanwhile, as the detection sheaths 3 on both sides approach each other, the clamping plate 12 will abut against the outer side of the oil pipe and compress the compression spring 15. Due to the elastic force of the compression spring 15 itself, it will push the clamping plate 12 back to clamp on the outer side of the oil pipe, and thus it can be applicable to oil pipes of different sizes. After that, the probe 5 can be inserted into the detection sheath 3 to detect the gas. If there is a leak, the alarm will be triggered.
[0027] To sum up, for this high - pressure gas leak detection device for oil pipes, by inserting the support rod 11 into the middle of the double - threaded part 10 and turning the support rod 11, it can drive the double - threaded part 10 to rotate in the threaded barrel 9, and then the support ears 8 on both sides will move relatively. Therefore, the detection sheaths 3 can be closed and fixed, making the detection sheaths 3 on both sides cover the oil pipe coupling. At the same time, exhaust air into the airbag 7, making the airbag 7 expand and surround the outer side of the oil pipe, thus facilitating the application to oil pipes of different sizes.
[0028] As the detection sheaths 3 on both sides approach each other, the clamping plate 12 will abut against the outer side of the oil pipe and compress the compression spring 15. Due to the elastic force of the compression spring 15 itself, it will push the clamping plate 12 back to clamp on the outer side of the oil pipe, and thus it can be applicable to oil pipes of different sizes, improving the practicability of the device.
[0029] In the description of the present utility model, unless otherwise clearly stipulated and defined, the terms "arranged", "installed", "connected", "joined", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0030] All the standard parts used in the present utility model can be purchased from the market, and the special-shaped parts can be customized according to the records in the specification and the drawings.
[0031] The above is only the preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent replacements or changes, and all should be covered by the protection scope of the present utility model.
Claims
1. High-pressure gas leak detection device for oil pipelines, comprising an oil pipeline body (1) and a helium leak detector (2), characterized in that: A packer is provided at the internal coupling of the tubing body (1). Two detection sheaths (3) are sleeved on the outer side of the coupling part of the tubing body (1). Two wires (4) are connected to the outer side of the helium leak detector (2). Probes (5) are provided at the ends of the wires (4). The two probes (5) are respectively inserted into the upper and lower sides inside the detection sheaths (3). Positioning components (6) for installation and positioning are provided on both sides of the detection sheaths (3). Air bags (7) are provided on the upper and lower inner walls of the detection sheaths (3), and the air bags (7) surround the outer side of the tubing body (1).
2. The high-pressure gas leak detection device for oil pipes according to claim 1, wherein: The air bag (7) is a telescopic corrugated structure.
3. The high-pressure gas leak detection device for oil pipes according to claim 1, characterized in that: The positioning component (6) includes lugs (8) fixedly installed on both sides of the detection sheath (3). A threaded cylinder (9) is fixedly installed on the outer side of the lugs (8). A double-thread (10) is threadedly connected inside the threaded cylinder (9).
4. The high-pressure gas leak detection device for oil pipes according to claim 3, characterized in that: A support rod (11) is inserted in the middle of the double-thread (10).
5. The high-pressure gas leak detection device for oil pipes according to claim 1, characterized in that: A clamping plate (12) is provided inside the detection sheath (3). Fixed blocks (13) are fixedly installed on both outer arc sides of the clamping plate (12). Guide rods (14) are fixedly installed on the front surfaces of the fixed blocks (13). Compression springs (15) are sleeved on the outer sides of the guide rods (14).
6. The high-pressure gas leak detection device for tubing according to claim 5, characterized in that: The guide rods (14) penetrate through the detection sheath (3), and the compression springs (15) are fixedly installed between the inner wall of the detection sheath (3) and the fixed blocks (13).
7. The high-pressure gas leak detection device for oil pipes according to claim 6, characterized in that: A cushion pad (16) is provided on one inner arc side of the clamping plate (12), and the cushion pad (16) is made of rubber material.