Gas well drainage metering device
By introducing components such as a detection hood, gas sensor, and protective cover into the gas well drainage metering device, the problem of poor sealing effect has been solved, enabling easy detection of gas leaks, filtering of impurities, and protection of the metering instrument, thereby improving the safety and efficiency of the device.
Patent Information
- Application Number
- CN202520110596.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2035-01-17
AI Technical Summary
Existing gas well drainage metering devices are inconvenient to test when checking sealing performance. Poor sealing at pipe connections can lead to gas or liquid leaks, affecting the safety and effectiveness of the device.
A gas well drainage metering device was designed, comprising components such as a detection cover, a gas sensor, an alarm, a sealing ring, and a protective cover. The sealing ring is tightly fitted to the pipeline to achieve sealing detection, the gas sensor detects gas leakage and alarms, the protective cover protects the metering instrument, and the filter plate and discharge pipe facilitate impurity filtration and cleaning.
It enables easy detection of airtightness, timely alarm, easy filtration and cleaning, and protection, thereby improving the safety and efficiency of the device.
Smart Images

Figure CN223549249U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gas well technology, specifically to a gas well drainage metering device. Background Technology
[0002] Gas wells are the basic unit of gas reservoir development. They bring underground natural gas resources to the surface, turning them into products and then into commodities and profits. Gas wells not only bear the important responsibility of gas production, but also, through data such as production data, well testing, pressure measurement, and oil, gas and water sample composition analysis, we can understand the gas reservoir parameters and gas well dynamics, take appropriate measures to maintain the rational production of gas wells, and thus achieve regulation of the gas reservoir development process.
[0003] The liquid discharge metering equipment installed on the gas production well can detect the flow rate of liquid discharge in a timely manner. However, most of the liquid discharge metering devices in the gas production wells have the problem of inconvenience in detecting the sealing effect. When the sealing effect of the pipeline connection is poor and gas or liquid leaks occur, the staff cannot detect and maintain it in a timely manner, thus affecting the safety of the liquid discharge metering device.
[0004] There is an urgent need for gas well drainage metering devices to address the technical deficiencies mentioned above. Utility Model Content
[0005] The purpose of this invention is to provide a gas well drainage metering device to solve the problem of inconvenience in detecting the sealing effect mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a gas well drainage metering device, comprising a meter, a first connecting pipe installed on the right side of the meter, a second connecting pipe installed on the left side of the meter, a connecting seat installed at the top of the meter, a metering gauge installed at the top of the connecting seat, mounting flanges installed at the ends of both the first and second connecting pipes, and a detection cover installed outside the mounting flanges, a mounting cap installed on the side of the detection cover near the mounting flange, a first sealing ring provided inside the mounting cap, a second sealing ring installed inside the detection cover, gas sensors installed at the top and bottom of the detection cover, alarms installed at the top and bottom of the detection cover, two sets of protective covers installed outside the metering gauge, magnetic strips installed on the protective covers, a discharge pipe installed at the bottom of the second connecting pipe, a filter plate placed inside the discharge pipe, a connecting rod fixedly connected to the left side of the filter plate, and a pull ring fixedly connected to the bottom of the connecting rod.
[0007] As a further technical solution of this utility model, the gas sensor and the alarm are electrically connected, and a battery is installed inside the alarm.
[0008] As a further technical solution of this utility model, the second sealing ring is tightly attached to the outside of the first connecting pipe and the second connecting pipe, and the detection cover is placed on the outside of the mounting flange.
[0009] As a further technical solution of this utility model, a sealing cap is installed at the opening of the discharge pipe, and an installation buckle is fixedly connected to the inner side of the discharge pipe, with the connecting rod embedded inside the installation buckle.
[0010] As a further technical solution of this utility model, a sealing strip is fixedly connected to the outside of the filter plate, the filter plate is disposed inside the second connecting pipe, and the sealing strip is tightly fitted to the inner wall of the second connecting pipe.
[0011] As a further technical solution of this utility model, the bottom end of the protective cover is fixedly connected to an installation slider, the two sides of the connecting seat are fixedly connected to fixing rods, and the end of the fixing rod is fixedly connected to a limit plate.
[0012] As a further technical solution of this utility model, a viewing window is installed at the front end of the protective cover, and the mounting slider is slidably connected to the outside of the fixing rod.
[0013] As a further technical solution of this utility model, the protective cover can be placed over the outside of the meter, and the protective cover is magnetically fixed by a magnetic strip.
[0014] Compared with the prior art, the beneficial effects of this utility model are: the gas well drainage metering device not only realizes the functions of easy detection of air tightness and easy filtration and cleaning, but also realizes the functions of easy protection;
[0015] (1) By setting up an installation cover, a detection cover, an alarm, a gas sensor, a first sealing ring and a second sealing ring, the detection cover is installed on the outside of the installation flange. After the installation flange is connected to the pipeline, the installation cover is then tightened on the detection cover to achieve a seal. The first sealing ring on the installation cover and the second sealing ring on the detection cover can fit tightly against the outer wall of the pipeline to achieve a seal. The gas sensor on the detection cover can detect whether there is a gas leak at the connection. Once a gas leak is detected, the alarm can promptly alert the staff. This structure facilitates the detection of air tightness and realizes the function of timely detection and alarm.
[0016] (2) By setting up a filter plate, connecting rod, discharge pipe, sealing cover, mounting buckle and sealing strip, when the second connecting pipe is connected to the gas well pipeline, the filter plate can filter the gas with impurities. The filtered impurities can fall into the discharge pipe and be collected. When cleaning, open the sealing cover of the discharge pipe opening and then take out the filter plate for cleaning. This structure realizes the function of easy filtration and collection of impurities and improves the filtration efficiency.
[0017] (3) By setting a protective cover, a viewing window, a magnetic strip, a mounting slider and a fixing rod, the protective cover outside the meter can protect it. When protecting it, the protective cover covers the outside of the meter and is fixed by the magnetic strip. The viewing window on the protective cover makes it easy to observe the meter. When opening the protective cover, the mounting slider at the bottom of the protective cover can slide to the appropriate position on the fixing rod. This structure realizes the function of easy protection. Attached Figure Description
[0018] Figure 1 This is a front view sectional view of the unfolded structure of this utility model;
[0019] Figure 2 This is a frontal view of the closed structure of this utility model;
[0020] Figure 3 This is a front view cross-sectional structural diagram of the detection cover of this utility model;
[0021] Figure 4 This is a side view of the filter plate structure of this utility model.
[0022] In the diagram: 1. Meter; 2. First connecting pipe; 3. Mounting flange; 4. Mounting cover; 5. Detection cover; 6. Protective cover; 7. Viewing window; 8. Magnetic strip; 9. Meter; 10. Mounting slider; 11. Fixing rod; 12. Filter plate; 13. Connecting rod; 14. Alarm; 15. Gas sensor; 16. Discharge pipe; 17. Sealing cover; 18. Mounting buckle; 19. Second connecting pipe; 20. Connecting seat; 21. Limiting plate; 22. Pull ring; 23. Sealing strip; 24. First sealing ring; 25. Second sealing ring. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figure 1-4This utility model provides an embodiment of a gas well drainage metering device, comprising a meter 1, a first connecting pipe 2 installed on the right side of the meter 1, a second connecting pipe 19 installed on the left side of the meter 1, a connecting seat 20 installed at the top of the meter 1, a metering gauge 9 installed at the top of the connecting seat 20, mounting flanges 3 installed at the ends of both the first connecting pipe 2 and the second connecting pipe 19, and a detection cover 5 installed on the outside of the mounting flange 3. A mounting cover 4 is installed on the side of the detection cover 5 near the mounting flange 3, and the inner side of the mounting cover 4 is provided with... A first sealing ring 24 is provided, a second sealing ring 25 is installed on the inner side of the detection cover 5, a gas sensor 15 is installed at the top and bottom of the inside of the detection cover 5, an alarm 14 is installed at the top and bottom of the detection cover 5, two sets of protective covers 6 are installed on the outside of the meter 9, a magnetic strip 8 is installed on the protective cover 6, a discharge pipe 16 is installed at the bottom of the second connecting pipe 19, a filter plate 12 is placed inside the discharge pipe 16, a connecting rod 13 is fixedly connected to the left side of the filter plate 12, and a pull ring 22 is fixedly connected to the bottom of the connecting rod 13.
[0025] The gas sensor 15 is electrically connected to the alarm 14. A battery is installed inside the alarm 14. The second sealing ring 25 is tightly attached to the outside of the first connecting pipe 2 and the second connecting pipe 19. The detection cover 5 covers the outside of the mounting flange 3.
[0026] Specifically, such as Figure 1 and Figure 3 As shown, after the mounting flange 3 is connected to the pipeline, the mounting cover 4 is then tightly placed on the detection cover 5 to achieve a seal. The first sealing ring 24 on the mounting cover 4 and the second sealing ring 25 on the detection cover 5 can fit tightly against the outer wall of the pipeline to achieve a seal. The gas sensor 15 on the detection cover 5 can detect whether there is a gas leak at the connection. Once a gas leak is detected, the alarm 14 can promptly alert the staff.
[0027] A sealing cap 17 is installed at the opening of the discharge pipe 16. An installation buckle 18 is fixedly connected to the inside of the discharge pipe 16. The connecting rod 13 is embedded in the installation buckle 18. A sealing strip 23 is fixedly connected to the outside of the filter plate 12. The filter plate 12 is set inside the second connecting pipe 19. The sealing strip 23 is tightly fitted to the inner wall of the second connecting pipe 19.
[0028] Specifically, such as Figure 1 and Figure 4 As shown, when the second connecting pipe 19 is connected to the gas well pipeline, the filter plate 12 can filter the gas containing impurities. The filtered impurities can fall down the filter plate 12 into the inside of the discharge pipe 16 for collection. When cleaning, open the sealing cover 17 of the discharge pipe 16 and then take out the filter plate 12 for cleaning.
[0029] The bottom end of the protective cover 6 is fixedly connected to the mounting slider 10, the two sides of the connecting seat 20 are fixedly connected to the fixing rod 11, the end of the fixing rod 11 is fixedly connected to the limit plate 21, the front end of the protective cover 6 is installed with a viewing window 7, the mounting slider 10 is slidably connected to the outside of the fixing rod 11, the protective cover 6 can cover the outside of the measuring instrument 9, and the protective cover 6 is magnetically fixed by the magnetic strip 8.
[0030] Specifically, such as Figure 1 and Figure 2 As shown, the protective cover 6 outside the measuring instrument 9 can protect it. When protecting it, the protective cover 6 covers the outside of the measuring instrument 9 and is fixed by the magnetic strip 8. The viewing window 7 on the protective cover 6 makes it easy to observe the measuring instrument 9. When the protective cover 6 is opened, the mounting slider 10 at the bottom of the protective cover 6 can slide to the appropriate position on the fixing rod 11.
[0031] Working principle: The meter 1 is installed on the gas well pipeline. The first connecting pipe 2 and the second connecting pipe 19 are connected to the pipeline through the mounting flange 3. When the second connecting pipe 19 is connected to the gas well pipeline, the filter plate 12 can filter the gas containing impurities. The filtered impurities can fall down the filter plate 12 and be collected inside the discharge pipe 16. When cleaning, open the sealing cover 17 of the discharge pipe 16 and then take out the filter plate 12 for cleaning. The protective cover 6 outside the meter 9 can protect it. When protecting, the protective cover 6 covers the outside of the meter 9 and is fixed by the magnetic strip 8. The viewing window 7 on the protective cover 6 makes it easy to observe the meter 9. After the mounting flange 3 is connected to the pipeline, the mounting cover 4 is tightened on the detection cover 5 to achieve a seal. The first sealing ring 24 on the mounting cover 4 and the second sealing ring 25 on the detection cover 5 can fit tightly with the outer wall of the pipeline to achieve a seal. The gas sensor 15 on the detection cover 5 can detect whether there is a gas leak at the connection. Once a gas leak is detected, the alarm 14 can promptly alarm to remind the staff.
[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A gas well drainage metering device, comprising a meter (1), characterized in that: A first connecting pipe (2) is installed on the right side of the measuring instrument (1), and a second connecting pipe (19) is installed on the left side of the measuring instrument (1). A connecting seat (20) is installed at the top of the measuring instrument (1), and a measuring gauge (9) is installed at the top of the connecting seat (20). A mounting flange (3) is installed at the end of both the first connecting pipe (2) and the second connecting pipe (19), and a detection cover (5) is installed on the outside of the mounting flange (3). A mounting cover (4) is installed on the side of the detection cover (5) near the mounting flange (3), and a first sealing ring (24) is provided on the inner side of the mounting cover (4). A second sealing ring (25) is installed on the inside of the detector (5). Gas sensors (15) are installed at the top and bottom of the detector (5). Alarms (14) are installed at the top and bottom of the detector (5). Two sets of protective covers (6) are installed on the outside of the meter (9). Magnetic strips (8) are installed on the protective covers (6). A discharge pipe (16) is installed at the bottom of the second connecting pipe (19). A filter plate (12) is placed inside the discharge pipe (16). A connecting rod (13) is fixedly connected to the left side of the filter plate (12). A pull ring (22) is fixedly connected to the bottom of the connecting rod (13).
2. The gas well drainage metering device according to claim 1, characterized in that: The gas sensor (15) is electrically connected to the alarm (14), and a battery is installed inside the alarm (14).
3. The gas well drainage metering device according to claim 1, characterized in that: The second sealing ring (25) is in close contact with the outside of the first connecting pipe (2) and the second connecting pipe (19), and the detection cover (5) covers the outside of the mounting flange (3).
4. The gas well drainage metering device according to claim 1, characterized in that: A sealing cap (17) is installed at the opening of the discharge pipe (16), and an installation buckle (18) is fixedly connected to the inside of the discharge pipe (16). The connecting rod (13) is embedded inside the installation buckle (18).
5. The gas well drainage metering device according to claim 1, characterized in that: A sealing strip (23) is fixedly connected to the outside of the filter plate (12). The filter plate (12) is located inside the second connecting pipe (19). The sealing strip (23) is tightly fitted to the inner wall of the second connecting pipe (19).
6. The gas well drainage metering device according to claim 1, characterized in that: The bottom end of the protective cover (6) is fixedly connected to a mounting slider (10), and the two sides of the connecting seat (20) are fixedly connected to fixing rods (11), with a limit plate (21) fixedly connected to the end of the fixing rods (11).
7. The gas well drainage metering device according to claim 6, characterized in that: The protective cover (6) has a viewing window (7) installed at its front end, and the mounting slider (10) is slidably connected to the outside of the fixing rod (11).
8. The gas well drainage metering device according to claim 1, characterized in that: The protective cover (6) can be placed over the outside of the meter (9), and the protective cover (6) is magnetically fixed by a magnetic strip (8).