Petroleum wellhead pressure monitor

Abstract

The utility model discloses a petroleum wellhead pressure monitor, which belongs to the technical field of petroleum wellheads and comprises a wellhead main pipe, a limit sleeve is arranged at the top of the wellhead main pipe, a pressure gauge is sleeved in the limit sleeve, a sensor is arranged at the bottom of the pressure gauge, and a support frame is fixedly connected to the surface of the pressure gauge. The petroleum wellhead pressure monitor comprises a wellhead main pipe, a support frame is arranged at the bottom of the wellhead main pipe, a support assembly is arranged between the support frame and the wellhead main pipe, a pressure relief pipe is arranged at the bottom of the wellhead main pipe, and an adjusting box is fixedly connected to the surface of the pressure relief pipe. The stability of the pressure gauge during petroleum flowing is guaranteed, the pressure gauge is prevented from loosening and even being damaged, the valve plate can be driven to move through work of the pressure gauge, unblocking and blocking of the pressure relief pipe can be controlled, high pressure can be buffered conveniently, and petroleum loss and waste caused by too large pressure are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of oil wellheads, and more specifically, to an oil wellhead pressure monitor. Background Art

[0002] Petroleum refers to a mixture of gaseous, liquid and solid hydrocarbons in natural forms. Petroleum is divided into crude oil, natural gas, natural gas liquids and natural tar. Petroleum is mainly used as fuel oil and gasoline, which constituted one of the most important secondary energy sources in the world in 2012.

[0003] However, when oil is being extracted, a pressure monitor with high stability is often required, and auxiliary pressure relief treatment cannot be performed safely and efficiently, which affects the safety and efficiency of monitoring. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an oil wellhead pressure monitor, which has the characteristics of being able to stably monitor pressure and being able to safely and efficiently assist in pressure relief.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides an oil wellhead pressure monitor, including a wellhead main pipe, a limit sleeve is arranged on the top of the wellhead main pipe, a pressure gauge is sleeved inside the limit sleeve, a sensor is arranged at the bottom of the pressure gauge, a support frame is fixedly connected to the surface of the pressure gauge, a support assembly is arranged between the support frame and the wellhead main pipe, a pressure relief pipe is opened at the bottom of the wellhead main pipe, an adjustment box is fixedly connected to the surface of the pressure relief pipe, an electric push rod is arranged inside the adjustment box, and a valve plate is arranged at one end of the electric push rod.

[0008] When using the oil wellhead pressure monitor of the present technical solution, by setting a support assembly, the pressure gauge and the wellhead main pipe can be further connected and supported to ensure the stability of the pressure gauge when the oil flows, and prevent the pressure gauge from loosening or even being damaged. The electric push rod can drive the valve plate to move, and the unblocking of the pressure relief pipe can be controlled, which is convenient for buffering the high pressure and preventing the loss of oil and waste caused by excessive pressure.

[0009] Furthermore, one end of the wellhead main pipe and the pressure relief pipe are both connected to the receiving device.

[0010] Furthermore, a sealing ring is provided inside the limiting sleeve, and the sealing ring is sleeved on the surface of the pressure gauge.

[0011] Furthermore, the support assembly includes a fixed plate, which is fixedly connected to the bottom of the support frame. A threaded sleeve is provided on the inner side of the fixed plate. A bolt is threadedly connected to the inner side of the threaded sleeve. One end of the bolt is fixedly connected to a rotating shaft. The rotating shaft is connected to a limit plate through a bearing sleeve, and the limit plate is clamped on the surface of the wellhead main pipe.

[0012] Furthermore, a connecting sleeve is fixedly connected to the inner side of the fixing plate, a connecting rod is sleeved inside the connecting sleeve, and one end of the connecting rod is fixedly connected to one side of the limiting plate.

[0013] Furthermore, a control panel is provided on the surface of the adjustment box, and the control panel is electrically connected to the electric push rod through a wire.

[0014] (III) Beneficial effects

[0015] In summary, the utility model has the following beneficial effects:

[0016] 1. By setting the support assembly, the pressure gauge and the wellhead main pipe can be further connected and supported to ensure the stability of the pressure gauge when the oil flows, and prevent the pressure gauge from loosening or even being damaged. The electric push rod can drive the valve plate to move, and the unblocking of the pressure relief pipe can be controlled, which is convenient for buffering the high pressure and ensuring that the oil is lost and wasted due to excessive pressure;

[0017] 2. By connecting the wellhead main pipe and one end of the pressure relief pipe to the receiving equipment, it is convenient to extract and collect oil. By setting a sealing ring, the sealing of the connection between the pressure gauge and the wellhead main pipe can be guaranteed;

[0018] 3. By rotating the bolt, with the help of the threaded sleeve, the bolt, the rotating shaft and the limit plate can be driven to move, which can facilitate the control of the limit plate. By setting the connecting sleeve and the connecting rod, the movement of the limit plate can be limited and supported to ensure the stability of the limit plate during movement and adjustment. By setting the control panel, the electrical components of the device can be controlled, thereby facilitating the control of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a front view structural schematic diagram of the utility model;

[0021] Figure 2It is a front view cross-sectional structural schematic diagram of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the support assembly in the utility model.

[0023] The symbols in the accompanying drawings are:

[0024] 1. Wellhead main pipe; 2. Pressure relief pipe; 3. Adjustment box; 4. Control panel; 5. Support assembly; 501. Fixing plate; 502. Threaded sleeve; 503. Bolt; 504. Rotating shaft; 505. Connecting rod; 506. Connecting sleeve; 507. Limit plate; 6. Support frame; 7. Pressure gauge; 8. Electric push rod; 9. Valve plate; 10. Limit sleeve; 11. Sensor; 12. Sealing ring. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.

[0026] Example:

[0027] The following is combined with Figure 1-3 The utility model is described in further detail.

[0028] See also Figure 1-3 The utility model provides a technical solution: an oil wellhead pressure monitor, including a wellhead main pipe 1, a limit sleeve 10 is arranged on the top of the wellhead main pipe 1, a pressure gauge 7 is sleeved inside the limit sleeve 10, a sensor 11 is arranged at the bottom of the pressure gauge 7, a support frame 6 is fixedly connected to the surface of the pressure gauge 7, a support assembly 5 is arranged between the support frame 6 and the wellhead main pipe 1, by arranging the support assembly 5, the pressure gauge 7 and the wellhead main pipe 1 can be further connected and supported to ensure the stability of the pressure gauge 7 when the oil flows, and to prevent the pressure gauge 7 from loosening or even being damaged, a pressure relief pipe 2 is opened at the bottom of the wellhead main pipe 1, an adjustment box 3 is fixedly connected to the surface of the pressure relief pipe 2, an electric push rod 8 is arranged inside the adjustment box 3, and a valve plate 9 is arranged at one end of the electric push rod 8, the electric push rod 8 works, the valve plate 9 can be driven to move, and the unblocking of the pressure relief pipe 2 can be controlled, so that the high pressure can be buffered and the oil loss and waste caused by excessive pressure can be ensured.

[0029] Specifically, one end of the wellhead main pipe 1 and the pressure relief pipe 2 are connected to the receiving device, and a sealing ring 12 is provided inside the limiting sleeve 10 , and the sealing ring 12 is sleeved on the surface of the pressure gauge 7 .

[0030] By adopting the above technical solution, by connecting the wellhead main pipe 1 and one end of the pressure relief pipe 2 to the storage device, it is convenient to extract and collect oil, and by providing the sealing ring 12, the sealing of the connection between the pressure gauge 7 and the wellhead main pipe 1 can be guaranteed.

[0031] Specifically, the support assembly 5 includes a fixed plate 501, which is fixedly connected to the bottom of the support frame 6. A threaded sleeve 502 is arranged on the inner side of the fixed plate 501. A bolt 503 is threadedly connected to the inner side of the threaded sleeve 502. One end of the bolt 503 is fixedly connected to a rotating shaft 504. The rotating shaft 504 is connected to a limit plate 507 through a bearing sleeve. The limit plate 507 is clamped on the surface of the wellhead main pipe 1. A connecting sleeve 506 is fixedly connected to the inner side of the fixed plate 501. A connecting rod 505 is sleeved inside the connecting sleeve 506. One end of the connecting rod 505 is fixedly connected to one side of the limit plate 507.

[0032] By adopting the above technical solution, by rotating the bolt 503, with the help of the threaded sleeve 502, the bolt 503, the rotating shaft 504 and the limit plate 507 can be driven to move, and the limit plate 507 can be conveniently controlled. By setting the connecting sleeve 506 and the connecting rod 505, the movement of the limit plate 507 can be limited and supported, thereby ensuring the stability of the limit plate 507 during movement and adjustment.

[0033] Specifically, a control panel 4 is provided on the surface of the adjustment box 3 , and the control panel 4 is electrically connected to the electric push rod 8 through a wire.

[0034] By adopting the above technical solution and setting the control panel 4, the electrical components of the device can be controlled, thereby facilitating the control of the device.

[0035] The working principle of the utility model is:

[0036] S1. Before using the structure, a pressure relief pipe 2 and a limiting sleeve 10 can be opened on the surface of the wellhead main pipe 1, and then the pressure gauge 7 is passed through the limiting sleeve 10, and the connection between the limiting sleeve 10 and the pressure gauge 7 is sealed with the help of a sealing ring 12. After the pressure gauge 7 is inserted, the pressure gauge 7 can be further limited and supported with the help of a support assembly 5;

[0037] S2. When the structure is used, oil flows from the wellhead main pipe 1, and the oil pressure is detected and processed with the help of the pressure gauge 7. When the pressure gauge 7 shows that the oil pressure is too high, the electric push rod 8 can be controlled by the control panel 4 to drive the valve plate 9 to move, open the blockage of the pressure relief pipe 2, and assist the oil flow with the help of the pressure relief pipe 2 to assist the safe extraction of oil.

[0038] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A petroleum wellhead pressure monitor, comprising a wellhead main pipe (1), characterized in that: A limit sleeve (10) is arranged at the top of the wellhead main pipe (1), a pressure gauge (7) is sleeved inside the limit sleeve (10), a sensor (11) is arranged at the bottom of the pressure gauge (7), a support frame (6) is fixedly connected to the surface of the pressure gauge (7), a support assembly (5) is arranged between the support frame (6) and the wellhead main pipe (1), a pressure relief pipe (2) is opened at the bottom of the wellhead main pipe (1), an adjustment box (3) is fixedly connected to the surface of the pressure relief pipe (2), an electric push rod (8) is arranged inside the adjustment box (3), and a valve plate (9) is arranged at one end of the electric push rod (8).

2. The oil wellhead pressure monitor according to claim 1, characterized in that: One end of the wellhead main pipe (1) and the pressure relief pipe (2) are both connected to the receiving equipment.

3. The oil wellhead pressure monitor according to claim 1, characterized in that: A sealing ring (12) is provided on the inner side of the limiting sleeve (10), and the sealing ring (12) is sleeved on the surface of the pressure gauge (7).

4. The oil wellhead pressure monitor according to claim 1, characterized in that: The support assembly (5) comprises a fixing plate (501), the fixing plate (501) being fixedly connected to the bottom of the support frame (6), a threaded sleeve (502) being arranged inside the fixing plate (501), a bolt (503) being threadedly connected inside the threaded sleeve (502), one end of the bolt (503) being fixedly connected to a rotating shaft (504), the rotating shaft (504) being connected to a limiting plate (507) via a bearing sleeve, and the limiting plate (507) being clamped on the surface of the wellhead main pipe (1).

5. The oil wellhead pressure monitor according to claim 4, characterized in that: A connecting sleeve (506) is fixedly connected to the inner side of the fixing plate (501), a connecting rod (505) is sleeved inside the connecting sleeve (506), and one end of the connecting rod (505) is fixedly connected to one side of the limiting plate (507).

6. The oil wellhead pressure monitor according to claim 1, characterized in that: A control panel (4) is provided on the surface of the adjustment box (3), and the control panel (4) is electrically connected to the electric push rod (8) via a wire.

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