Wellhead Christmas tree rubber valve
By designing a structure that combines the valve sealing shell and high-pressure tank in the oil production tree valve, and using pressure sensors and solenoid valves to control the spraying of flame retardant filler, the safety problem during leakage of the oil production tree valve is solved, and the effect of effectively preventing fire is achieved.
Patent Information
- Application Number
- CN202411880760.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-04-15
AI Technical Summary
Existing oil-recovery tree valves are prone to damage in the event of leakage, resulting in danger and equipment damage, and it is difficult to effectively prevent fire.
A wellhead oil-recovery tree rubber valve is designed, and a structure that combines the valve sealing shell and high-pressure tank body. When leakage occurs at the connection between the valve and the pipe body, the pressure of the inner cavity increases, the pressure sensor triggers the solenoid valve to open, and the flame retardant filler in the high-pressure tank body is sprayed to prevent fire.
It effectively improves the safety performance of the equipment, prevents hazards caused by leakage and equipment damage, and prevents fires in a timely manner in the event of leakage.
Smart Images
Figure CN119825292A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of wellhead Christmas trees, in particular to a wellhead Christmas tree rubber valve. Background Art
[0002] The Christmas tree is a component located at the opening to the top of the oil well, including valves for measurement and maintenance, safety systems and a series of monitoring equipment. The Christmas tree connects the production pipeline and the oil flow pipe from the well, and serves as an important barrier to isolate the top of the oil well from the external environment. It includes many valves that can be used to regulate or prevent the produced crude oil vapor, natural gas and liquid from gushing out of the well. The Christmas tree is connected to the production manifold system through a submarine pipeline.
[0003] There are many types of Christmas trees. According to the application area, they are divided into above-water Christmas trees (placed on the platform deck) and underwater Christmas trees (placed on the seabed); according to the installation position, they are divided into vertical (or vertical) Christmas trees, horizontal (or horizontal) Christmas trees, and inserted (or caisson) Christmas trees; according to the structural form, they are divided into dry Christmas trees, wet Christmas trees, and dry / wet Christmas trees; according to the layout of the wells, they are divided into satellite well Christmas trees and chassis well Christmas trees.
[0004] When a Christmas tree leaks, it is usually because the connection between the valve and the oil pipe leaks or when the oil pressure is high, the connection will be damaged and the valve will be opened, which will not only cause danger but also cause leakage, and the valve and the pipe body will be damaged. Therefore, a wellhead Christmas tree rubber valve is proposed. Summary of the invention
[0005] Technical issues solved
[0006] The purpose of the present invention is to make up for the deficiencies of the prior art and provide a wellhead production rubber valve.
[0007] Technical Solution
[0008] To achieve the above-mentioned object, the present invention provides the following technical solutions: a wellhead Christmas tree rubber valve, comprising a wellhead Christmas tree pipe body and a wellhead Christmas tree connecting valve body, the wellhead Christmas tree connecting valve body also comprising a valve sealing shell coated on the outside of the wellhead Christmas tree pipe body and the wellhead Christmas tree connecting valve body, the valve sealing shell is composed of a shell and a side cover, one side of the shell and the side cover are connected by a hinge, the other side of the shell and the side cover are provided with a fixing hole, the inside of the fixing hole is penetrated with a limiting bolt, and the adjacent sides of the shell and the side cover are both provided with a sealing structure, the inner side of the valve sealing shell The inner cavity is provided with an inner cavity, the inner cavity is provided with a high-pressure tank body, the interior of the high-pressure tank body is provided with a flame-retardant filler, and the output end of the high-pressure tank body is provided with an electromagnetic valve, and the inner cavity is also provided with a pressure sensor. When leakage occurs at the connection between the valve and the pipe body, the wellhead oil tree pipe body will rush into the inner cavity with leaked gas, causing the internal pressure of the inner cavity to increase, and the pressure sensor transmits a signal to the controller, and the controller immediately controls the opening of the electromagnetic valve, and the flame-retardant filler in the high-pressure tank body can be sprayed into the inner cavity, thereby preventing more dangerous fires caused by friction, static electricity, etc., and effectively improving the safety performance of the equipment.
[0009] Preferably, the sealing structure includes a groove opened on the housing, and the sealing structure also includes a sealing gasket fixed on one side of the side cover, and the sealing gasket is adapted to the groove.
[0010] Preferably, the high-pressure tank body is fixedly installed inside the inner cavity.
[0011] Preferably, the pressure sensor is connected to a controller, and the controller is electrically connected to the electromagnetic valve.
[0012] Preferably, the controller is also electrically connected to an alarm, which includes an alarm light and a speaker installed outside the valve sealing housing, and the alarm is also connected to the control center via a communication module.
[0013] Preferably, the flame retardant filler is a liquid flame retardant.
[0014] Preferably, under normal circumstances, the interior of the inner cavity is at normal pressure.
[0015] Beneficial effects:
[0016] Compared with the prior art, the wellhead oil production tree rubber valve has the following beneficial effects:
[0017] When leakage occurs at the connection between the valve and the pipe body of the present invention, the wellhead Christmas tree pipe body will rush the leaked gas into the inner cavity, causing the internal pressure of the inner cavity to increase, and the pressure sensor transmits a signal to the controller, and the controller immediately controls the opening of the electromagnetic valve, and the flame retardant filler in the high-pressure tank body can be sprayed into the inner cavity, thereby preventing more dangerous fires caused by friction, static electricity, etc., and effectively improving the safety performance of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a cross-sectional structural schematic diagram of the present invention;
[0019] Figure 2 It is a structural schematic diagram of the present invention;
[0020] Figure 3 It is a structural schematic diagram from another viewing angle of the present invention.
[0021] In the figure:
[0022] 1. Wellhead Christmas tree pipe body; 2. Wellhead Christmas tree connecting valve body; 3. Valve sealing shell; 4. Inner cavity; 5. High-pressure tank body; 6. Solenoid valve; 7. Pressure sensor; 8. Warning light; 9. Speaker; 301. Shell; 302. Side cover; 303. Fixing hole; 304. Limit bolt; 305. Sealing structure; 306. Sealing gasket; 307. Groove. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0024] See also Figure 1 to Figure 3As shown, the present invention provides a technical solution: a wellhead Christmas tree rubber valve, comprising a wellhead Christmas tree pipe body 1 and a wellhead Christmas tree connecting valve body 2, the wellhead Christmas tree connecting valve body 2 also includes a valve sealing shell 3 coated on the wellhead Christmas tree pipe body 1 and the wellhead Christmas tree connecting valve body 2, the valve sealing shell 3 is composed of a shell 301 and a side cover 302, the shell 301 and the side cover 302 are connected on one side by a hinge 303, the shell 301 and the side cover 302 are provided with a fixing hole 303 on the other side, the fixing hole 303 is penetrated with a limit bolt 304, and the shell 301 and the side cover 302 are adjacent to each other. The side is provided with a sealing structure 305, and the valve sealing shell 3 is provided with a sealing structure 305. There is an inner cavity 4, and a high-pressure tank body 5 is provided in the inner cavity 4. A flame-retardant filler is provided inside the high-pressure tank body 5, and an electromagnetic valve 6 is provided at the output end of the high-pressure tank body 5. A pressure sensor 7 is also provided in the inner cavity 4. The pressure sensor 7 is connected to the controller, and the controller is electrically connected to the electromagnetic valve 6. When a leak occurs at the connection between the valve and the pipe body, the wellhead Christmas tree pipe body 1 will rush the leaked gas into the inner cavity 4, causing the internal pressure of the inner cavity 4 to increase. The pressure sensor 7 transmits a signal to the controller, and the controller immediately controls the opening of the electromagnetic valve 6, and the flame-retardant filler in the high-pressure tank body 5 can be sprayed into the inner cavity 4, thereby preventing more dangerous fires caused by friction, static electricity, etc., and effectively improving the safety performance of the equipment.
[0025] Please pay attention to Figure 1 The sealing structure 305 includes a groove 307 opened on the housing 301 , and the sealing structure 305 also includes a sealing gasket 306 fixed on one side of the side cover 302 , and the sealing gasket 306 is adapted to the groove 307 .
[0026] In the present application, under normal circumstances, the interior of the inner cavity 4 is a normal pressure high-pressure tank body 5 fixedly installed in the interior of the inner cavity 4, and the flame retardant filler 402 is a liquid flame retardant.
[0027] Please pay attention to Figure 2 The controller is also electrically connected to an alarm, which includes an alarm light 8 and a speaker 9 installed outside the valve sealing housing 3, and the alarm is also connected to the control center through a communication module.
[0028] Working principle: When leakage occurs at the connection between the valve and the pipe body, the wellhead Christmas tree pipe body 1 will rush the leaked gas into the inner cavity 4, causing the internal pressure of the inner cavity 4 to increase, and the pressure sensor 7 transmits a signal to the controller, and the controller immediately controls the opening of the electromagnetic valve 6, and the flame retardant filler in the high-pressure tank 5 can be sprayed into the inner cavity 4. At the same time, the alarm light 8 and the speaker 9 of the alarm work at the same time, and the signal can be transmitted to the control center through the communication module at the same time.
[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A wellhead Christmas tree rubber valve, comprising a wellhead Christmas tree pipe body (1) and a wellhead Christmas tree connecting valve body (2), characterized in that: The wellhead Christmas tree connection valve body (2) further comprises a valve sealing housing (3) covering the wellhead Christmas tree pipe body (1) and the wellhead Christmas tree connection valve body (2); the valve sealing housing (3) comprises a housing (301) and a side cover (302); one side of the housing (301) and the side cover (302) are connected via a hinge (303); the other side of the housing (301) and the side cover (302) are provided with a fixing hole (303); A limiting bolt (304) is inserted into the interior of the valve sealing housing (303), and a sealing structure (305) is provided on the adjacent sides of the housing (301) and the side cover (302). An inner cavity (4) is provided inside the valve sealing housing (3), a high-pressure tank body (5) is provided in the inner cavity (4), a flame-retardant filler is provided inside the high-pressure tank body (5), and an electromagnetic valve (6) is provided at the output end of the high-pressure tank body (5), and a pressure sensor (7) is also provided in the inner cavity (4).
2. The wellhead Christmas tree rubber valve according to claim 1, characterized in that: The sealing structure (305) comprises a groove (307) opened on the housing (301), and the sealing structure (305) further comprises a sealing gasket (306) fixed on one side of the side cover (302), and the sealing gasket (306) is adapted to the groove (307).
3. The wellhead Christmas tree rubber valve according to claim 1, characterized in that: The high-pressure tank body (5) is fixedly installed inside the inner cavity (4).
4. The wellhead Christmas tree rubber valve according to claim 1, characterized in that: The pressure sensor (7) is connected to a controller, and the controller is electrically connected to the electromagnetic valve (6).
5. The wellhead Christmas tree rubber valve according to claim 1, characterized in that: The controller is also electrically connected to an alarm, which comprises an alarm light (8) and a loudspeaker (9) installed outside the valve sealing housing (3), and the alarm is also connected to the control center via a communication module.
6. The wellhead Christmas tree rubber valve according to claim 1, characterized in that: The flame retardant filler (402) is a liquid flame retardant.
7. The wellhead Christmas tree rubber valve according to claim 1, characterized in that: Under normal circumstances, the interior of the inner cavity (4) is at normal pressure.