Wellhead under-pressure plugging high-pressure annular pipe manifold

Abstract

The utility model discloses a wellhead under-pressure plugging high-pressure annular pipe manifold which comprises a first transfer box, the upper surface of the first transfer box is fixedly connected with a pressure gauge, the side surface of the first transfer box is fixedly connected with a storage battery, and the side surface of the first transfer box is fixedly connected with an alarm. And the side surface of the first transfer box is fixedly connected with a controller, the side surface of the pressure gauge is rotationally connected with a pointer, and the side surface of the pressure gauge is fixedly connected with a button. According to the structure, through cooperation of the first transfer box, the pressure gauge, the pointer, the button, the alarm, the pressure relief pipe and the pressure relief valve, the pressure in the first transfer box can be detected when resin is discharged, when the pressure is too high, the button is pressed, the alarm automatically rings, the pressure relief valve is opened, and the pressure can be discharged while people's attention can be effectively aroused; and the resin discharged through pressure relief can be collected in a centralized manner, so that waste is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of annular manifolds, in particular to a high-pressure annular manifold for plugging wellhead pressure. Background Art

[0002] Resin is usually stored in a well during the storage process. When the resin needs to be extracted for inspection or use, a professional manifold device is required to extract the resin from the well. Usually, the outlet of the manifold device is connected to the wellhead, and the inlet is connected to a high-pressure low-discharge pump. The discharge of the resin is controlled by opening the valve. However, since the existing manifold device has no pressure detection device, the pressure control is not accurate, which may lead to dangerous phenomena such as explosion of the pipeline due to excessive pressure. In addition, when the pressure is high, it is easy to cause danger if personnel fail to observe in time. Utility Model Content

[0003] According to the wellhead pressure-sealed high-pressure annulus manifold, the purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a wellhead pressure-sealed high-pressure annulus manifold, which cooperates with the first transfer box, the pressure gauge, the pointer, the button, the alarm, the pressure relief pipe and the pressure relief valve to detect the pressure inside the first transfer box when discharging the resin. When the pressure is too high, the button is pressed, the alarm automatically sounds and the pressure relief valve opens, which can effectively attract people's attention and discharge the pressure at the same time to avoid causing dangers such as explosions. The resin discharged by the pressure relief can be collected centrally to avoid waste.

[0004] To achieve the above-mentioned purpose, the utility model also provides the above-mentioned first transfer box, the upper surface of the first transfer box is fixedly connected with a pressure gauge for measuring pressure, making the internal pressure more intuitive, the side surface of the first transfer box is fixedly connected with a battery, the side surface of the first transfer box is fixedly connected with an alarm, when the alarm sounds, it can effectively attract people's attention, avoiding the situation that personnel cannot find it in time when the pressure is too high, the side surface of the first transfer box is fixedly connected with a controller, the side surface of the pressure gauge is rotatably connected with a pointer, the side surface of the pressure gauge is fixedly connected with a button, when the internal pressure is too high and the pointer rotates and presses the button, the alarm will automatically sound, and the pressure relief valve will open at this time to avoid the danger caused by excessive pressure;

[0005] A connecting pipe is fixedly connected to the side surface of the first transfer box, and one end of the connecting pipe away from the first transfer box is fixedly connected to the second transfer box, and a mounting plate is fixedly connected to the lower surface of the second transfer box, and a slide groove is provided on the upper surface of the mounting plate, and a collecting frame is movably connected to the upper surface of the mounting plate, and the collecting frame is used to centrally collect the resin discharged during pressure relief to avoid waste, and a sliding block is fixedly connected to the lower surface of the collecting frame, and a pressure relief pipe is fixedly connected to the side surface of the second transfer box, and a pressure relief valve is provided inside the pressure relief pipe.

[0006] According to the wellhead pressure-sealed high-pressure annulus manifold, a flange plate is fixedly connected to the lower surface of the first transfer box, and bolts are fixedly connected to the side surface of the flange plate.

[0007] According to the wellhead pressure-sealed high-pressure annulus manifold, the side surface of the bolt is threadedly connected with a nut, and the first transfer box can be installed at the wellhead through the flange plate, bolts and nuts, and the alarm, button, controller and pressure relief valve are all electrically connected to the battery.

[0008] According to the wellhead pressure-sealed high-pressure annulus manifold, the button is electrically connected to the alarm, and the button, the alarm, and the pressure relief valve are all electrically connected to the controller.

[0009] According to the wellhead pressure-sealed high-pressure annulus manifold, a valve body is provided inside the connecting pipe, the side surface of the slider is slidably connected to the slide groove, and the slider and the slide groove serve as installation guides for the collection frame.

[0010] According to the wellhead pressure-sealed high-pressure annulus manifold, the side surface of the collection frame is movably connected to the second transfer box, and the upper surface of the collection frame is fixedly connected to a shielding frame to avoid resin splashing during pressure relief.

[0011] According to the wellhead pressure-sealed high-pressure annulus manifold, a protective cover is provided on the side surface of the pressure gauge, and the number of the connecting pipe and the valve body is multiple.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 This is a front view of the high-pressure annulus manifold for wellhead pressure plugging according to the utility model;

[0015] Figure 2 It is a side view of the high-pressure annulus manifold for plugging the wellhead under pressure according to the utility model;

[0016] Figure 3 It is a partial structural schematic diagram of the high-pressure annulus manifold for wellhead pressure plugging of the utility model;

[0017] Figure 4 It is a partial structural exploded view of the high-pressure annulus manifold for wellhead pressure plugging of the utility model.

[0018] Legend:

[0019] 1. First transfer box; 2. Flange plate; 3. Pressure gauge; 4. Battery; 5. Alarm; 6. Controller; 7. Pointer; 8. Button; 9. Connecting pipe; 10. Second transfer box; 11. Mounting plate; 12. Collection frame; 13. Slider; 14. Slide; 15. Shielding frame; 16. Pressure relief pipe; 17. Pressure relief valve; 18. Valve body. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figure 1-4 The utility model embodiment of the wellhead pressure plugging high-pressure annulus manifold includes a first transfer box 1, the lower surface of the first transfer box 1 is fixedly connected with a flange plate 2, the side surface of the flange plate 2 is fixedly connected with a bolt, the side surface of the bolt is threadedly connected with a nut, the first transfer box 1 can be installed at the wellhead through the flange plate 2, the bolt and the nut, the alarm 5, the button 8, the controller 6 and the pressure relief valve 17 are all electrically connected to the battery 4, the upper surface of the first transfer box 1 is fixedly connected with a pressure gauge 3 for measuring the pressure, so that the internal pressure is more intuitive, the side surface of the first transfer box 1 is fixedly connected with the battery 4, the first transfer box 1 An alarm 5 is fixedly connected to the side surface of the transfer box 1. When the alarm 5 sounds, it can effectively attract people's attention to avoid the situation where people cannot find out in time when the pressure is too high. A controller 6 is fixedly connected to the side surface of the first transfer box 1. The button 8 is electrically connected to the alarm 5. The button 8, the alarm 5, and the pressure relief valve 17 are all electrically connected to the controller 6. The side surface of the pressure gauge 3 is rotatably connected to a pointer 7. The side surface of the pressure gauge 3 is fixedly connected to a button 8. When the internal pressure is too high, the pointer 7 rotates and presses the button 8, the alarm 5 will automatically sound. At this time, the pressure relief valve 17 will open to avoid danger caused by excessive pressure.

[0022] A connecting pipe 9 is fixedly connected to the side surface of the first transfer box 1, and a second transfer box 10 is fixedly connected to the end of the connecting pipe 9 away from the first transfer box 1. A mounting plate 11 is fixedly connected to the lower surface of the second transfer box 10, and a slide groove 14 is arranged on the upper surface of the mounting plate 11. A collecting frame 12 is movably connected to the upper surface of the mounting plate 11. The collecting frame 12 is used to centrally collect the resin discharged during pressure relief to avoid waste. A slider 13 is fixedly connected to the lower surface of the collecting frame 12. A valve body 1 is arranged inside the connecting pipe 9. 8. The side surface of the slider 13 is slidably connected to the slide groove 14. The slider 13 and the slide groove 14 are installation guides for the collection frame 12. The side surface of the second transfer box 10 is fixedly connected with a pressure relief pipe 16. A pressure relief valve 17 is arranged inside the pressure relief pipe 16. The side surface of the collection frame 12 is movably connected to the second transfer box 10. The upper surface of the collection frame 12 is fixedly connected with a shielding frame 15 to avoid resin splashing during pressure relief. A protective cover is arranged on the side surface of the pressure gauge 3. There are multiple connecting pipes 9 and valve bodies 18.

[0023] Working principle: The whole device is installed between the well and the detection device. The resin in the well enters the first transfer box 1. The pressure gauge 3 detects the rotation of the pressure pointer 7. When the pressure is too high, the pointer 7 presses the button 8. At this time, the alarm 5 sounds, the pressure relief valve 17 opens, and the sprayed resin is blocked by the shielding frame 15 and flows down to the collection frame 12 for centralized collection.

[0024] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. The high-pressure annulus manifold is sealed with pressure at the wellhead, characterized in that: include: A first transfer box (1), a pressure gauge (3) is fixedly connected to the upper surface of the first transfer box (1), a storage battery (4) is fixedly connected to the side surface of the first transfer box (1), an alarm (5) is fixedly connected to the side surface of the first transfer box (1), a controller (6) is fixedly connected to the side surface of the first transfer box (1), a pointer (7) is rotatably connected to the side surface of the pressure gauge (3), and a button (8) is fixedly connected to the side surface of the pressure gauge (3); A connecting pipe (9) is fixedly connected to the side surface of the first transfer box (1); an end of the connecting pipe (9) away from the first transfer box (1) is fixedly connected to the second transfer box (10); a mounting plate (11) is fixedly connected to the lower surface of the second transfer box (10); a slide groove (14) is provided on the upper surface of the mounting plate (11); a collection frame (12) is movably connected to the upper surface of the mounting plate (11); a slider (13) is fixedly connected to the lower surface of the collection frame (12); a pressure relief pipe (16) is fixedly connected to the side surface of the second transfer box (10); a pressure relief valve (17) is provided inside the pressure relief pipe (16).

2. The high-pressure annulus manifold for wellhead pressure plugging according to claim 1 is characterized in that: The lower surface of the first transfer box (1) is fixedly connected to a flange plate (2), and the side surface of the flange plate (2) is fixedly connected to bolts.

3. The high-pressure annulus manifold for wellhead pressure plugging according to claim 2 is characterized in that: The side surface of the bolt is threadedly connected with a nut, and the alarm (5), button (8), controller (6) and pressure relief valve (17) are all electrically connected to the battery (4).

4. The high-pressure annulus manifold for wellhead pressure plugging according to claim 1 is characterized in that: The button (8) is electrically connected to the alarm (5), and the button (8), the alarm (5) and the pressure relief valve (17) are all electrically connected to the controller (6).

5. The high-pressure annulus manifold for plugging wellhead under pressure according to claim 1, characterized in that: A valve body (18) is arranged inside the connecting pipe (9), and the side surface of the sliding block (13) is slidably connected to the sliding groove (14).

6. The high-pressure annulus manifold for plugging wellhead under pressure according to claim 1, characterized in that: The side surface of the collection frame (12) is movably connected to the second transfer box (10), and the upper surface of the collection frame (12) is fixedly connected to a shielding frame (15).

7. The high-pressure annulus manifold for plugging wellhead under pressure according to claim 1, characterized in that: A protective cover is provided on the side surface of the pressure gauge (3), and the connecting pipe (9) and the valve body (18) are provided in plurality.

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