CN216788365U - Y-shaped oil extraction wellhead device - Google Patents

Y-shaped oil extraction wellhead device Download PDF

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Publication number
CN216788365U
CN216788365U CN202220473505.XU CN202220473505U CN216788365U CN 216788365 U CN216788365 U CN 216788365U CN 202220473505 U CN202220473505 U CN 202220473505U CN 216788365 U CN216788365 U CN 216788365U
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CN
China
Prior art keywords
oil extraction
valve
extraction device
device body
erosion
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN202220473505.XU
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Chinese (zh)
Inventor
郭旭涛
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Yangtze University
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Yangtze University
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Priority to CN202220473505.XU priority Critical patent/CN216788365U/en
Application granted granted Critical
Publication of CN216788365U publication Critical patent/CN216788365U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a wellhead device, in particular to a Y-shaped oil extraction wellhead device. The wellhead device consists of an oil extraction device body, wherein the oil extraction device body is Y-shaped, a main valve is arranged above an oil inlet port of the oil extraction device body, bypass valves are symmetrically arranged above the main valve, and erosion-resistant elbows are fixedly arranged on the outer sides of the bypass valves; the upper end of the oil extraction device body between the bypass valves is provided with a water injection valve. The Y-shaped oil extraction wellhead device can effectively reduce the occupied space by integrating the main valve, the bypass valve and the water injection valve on the oil extraction device body, thereby facilitating transportation and assembly; by increasing the angle between the erosion-proof elbow and the oil extraction device body, erosion to the oil extraction device body and the erosion-proof elbow can be effectively reduced, and the service life is further prolonged; the erosion-resistant elbow is connected with the oil extraction device body through the fixing bolt, and after the erosion-resistant elbow is eroded and damaged, the erosion-resistant elbow can be conveniently disassembled and assembled, so that the erosion-resistant elbow is convenient to replace; the problem of current production tree occupation space big, and be easily eroded and destroy is solved.

Description

Y-shaped oil production wellhead device
Technical Field
The utility model relates to a wellhead device, in particular to a Y-shaped oil extraction wellhead device.
Background
A christmas tree is an assembly located at an opening leading to the top end of a well, including valves for measurement and maintenance, safety systems and monitoring equipment. The christmas tree connects production tubing and production tubing from downhole to regulate or prevent the flow rate and volume of produced crude oil vapor, natural gas and liquids from the well into the production tubing while acting as an important barrier to isolate the top of the well from the external environment.
Current production tree is the cross form, is provided with control flap on the delivery port of the delivery port both sides of its body respectively: the valve of the traditional cross Christmas tree is arranged on the oil outlet port, so that the occupied space is large, and the transportation and the assembly are not facilitated; in addition, in the cross Christmas tree, the internal flow channel is a mutually vertical cylindrical through hole, the intersecting line is 90 degrees, and erosion damage is easily caused in the using process, so that improvement is needed.
Disclosure of Invention
The purpose of the utility model is: the Y-shaped oil extraction wellhead device can reduce the occupied space and effectively reduce the erosion, and further solves the problems that the existing oil extraction tree is large in occupied space and easy to erode and damage.
The technical scheme of the utility model is as follows:
the utility model provides a Y type oil recovery wellhead assembly, it comprises the oil recovery ware body, its characterized in that: the oil extraction body is Y-shaped, an oil inlet port is formed in the lower end of the oil extraction body, a main valve is arranged on the oil extraction body above the oil inlet port, bypass valves are symmetrically arranged on the oil extraction body on two sides above the main valve, and erosion-preventing elbows are fixedly arranged on the oil extraction body outside the bypass valves through fixing bolts; the upper end of the oil extraction device body between the bypass valves is provided with a water injection valve.
And the oil inlet port is provided with a connecting flange.
And the erosion-proof elbow is provided with a pressure gauge through an instrument flange.
And a pressure gauge is arranged on the port of the oil extraction device body above the water injection valve through an assembly blind plate.
And instrument valves are respectively arranged between the pressure gauge and the assembly blind plate and between the pressure gauge and the instrument flange.
The erosion-resistant elbow is a 135-degree elbow.
The oil extraction device bodies on two sides of the water injection valve are symmetrically provided with lifting lugs.
The main valve, the bypass valve and the water injection valve are of the same type and are composed of a valve cover, a valve rod, a valve seat and a flashboard, the valve rod is installed on the valve cover in a threaded mode, the valve seat is arranged on a flow channel of the oil extractor body corresponding to the valve cover, the flashboard is inserted on the valve seat, and the flashboard is movably connected with the valve rod; the valve cover is fixedly and hermetically connected with the oil extractor body through a fixing bolt.
The utility model has the beneficial effects that:
the Y-shaped oil extraction wellhead device can effectively reduce the occupied space by integrating the main valve, the bypass valve and the water injection valve on the oil extraction device body, thereby facilitating transportation and assembly; by increasing the angles of the erosion-preventing elbow and the oil extraction device body, erosion to the oil extraction device body and the erosion-preventing elbow can be effectively reduced, and the service life is further prolonged; the erosion-preventing elbow is connected with the oil extraction device body through the fixing bolt, and after the erosion-preventing elbow is damaged by erosion, the erosion-preventing elbow can be conveniently disassembled and assembled, so that the erosion-preventing elbow is convenient to replace; the problem of current production tree occupation space big, and be easily eroded and destroy is solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure in the direction of a-a in fig. 1.
In the figure: 1. the oil extraction device comprises an oil extraction device body, 2, a main valve, 3, a bypass valve, 4, an erosion-prevention elbow, 5, a water injection valve, 6, a connecting flange, 7, an instrument flange, 8, a pressure gauge, 9, an assembly blind plate, 10, an instrument valve, 11, a lifting lug, 12, a valve cover, 13, a valve rod, 14, a valve seat, 15 and a flashboard.
Detailed Description
The Y-shaped oil extraction wellhead device is composed of an oil extractor body 1, wherein the oil extractor body 1 is Y-shaped, an oil inlet port is formed in the lower end of the oil extractor body 1, and the Y-shaped oil extractor body 1 aims to increase the angle between the oil inlet port and each oil outlet port of the oil extractor body 1, so that the erosion of a corner in the oil extractor body 1 in the fluid flowing process is effectively reduced, the oil extractor body 1 is further protected, and the service life of the oil extractor body 1 is prolonged; a connecting flange 6 is arranged on the oil inlet port to connect the oil extraction device body 1 to a well head, and the oil inlet port of the oil extraction device body 1 and the well head are sealed through the connecting flange 6; the main valve 2 is arranged on the oil extraction device body 1 above the oil inlet port, and the main valve 2 is used for communicating the well head with the oil extraction device body 1 when the main valve 2 is opened, so that oil inlet from the well head into the oil extraction device body 1 is controlled; bypass valves 3 are symmetrically arranged on the oil extraction device bodies 1 on two sides above the main valve 2, and the bypass valves 3 are used for controlling the oil extraction device bodies 1 to feed oil to corresponding bypasses; the oil extraction device body 1 on the outer side of the bypass valve 3 is fixedly provided with an erosion-preventing elbow 4 through a fixing bolt, the erosion-preventing elbow 4 is a 135-degree elbow, and the 135-degree elbow effectively increases the angle of the elbow relative to a 90-degree elbow, so that the impact force of fluid on the elbow bend is effectively reduced, the erosion of the fluid on the elbow is effectively reduced, the erosion-preventing elbow 4 is effectively protected, and the service life of the erosion-preventing elbow 4 is prolonged; a water injection valve 5 is arranged at the upper end of the oil extraction device body 1 between the bypass valves 3; a pressure gauge 8 is arranged on the port of the oil extraction device body 1 above the water injection valve 5 through an assembly blind plate 9 so as to monitor the pressure in the oil extraction device body 1; the water injection valve 5 is used for removing the assembly blind plate 9 and injecting water into the oil extractor body through the water injection valve 5 when water needs to be injected into the well, so that water is injected into the well; a pressure gauge 8 is arranged on the erosion-proof elbow 4 through an instrument flange 7 so as to monitor the pressure on the bypass; instrument valves 10 are respectively arranged between the pressure gauge 8 and the assembly blind plate 9 and between the pressure gauge 8 and the instrument flange 7, so that the pressure at the pressure gauge 8 can be conveniently cut off through the instrument valves 10 during maintenance, and the pressure gauge 8 can be conveniently replaced; lifting lugs 11 are symmetrically arranged on the oil extraction device body 1 on two sides of the water injection valve 5, so that the oil extraction device body 1 is lifted through the lifting lugs 11 in the lifting process; the main valve 2, the bypass valve 3 and the water injection valve 5 are the same type of valves and are composed of a valve cover 12, a valve rod 13, a valve seat 14 and a flashboard 15, the valve rod 13 is installed on the valve cover 12 in a threaded mode, and when the valve rod 13 rotates, the valve rod 13 can move along the axial direction of the valve cover 12 under the action of threads; a valve seat 14 is arranged on a flow passage of the oil extraction device body 1 corresponding to the valve cover 12, and the valve seat 14 is hermetically connected with the oil extraction device body 1; the valve seat 14 is inserted with a flashboard 15, and the flashboard 15 is connected with the valve seat 14 in a sliding and sealing manner; the gate plate 15 is movably connected with the valve rod 13, so that the valve rod 13 can drive the gate plate 15 to be opened and closed in the rotating process, and a flow passage is communicated or closed; the valve cover 12 is fixedly and hermetically connected with the oil extraction device body 1 through a fixing bolt.
When the Y-shaped oil extraction wellhead device is assembled, an oil inlet port of the oil extractor body 1 is connected to the end face of a wellhead through the connecting flange 6, after the connecting flange 6 is connected, an oil extraction pipeline is connected to the erosion-proof elbow 4 on one side of the oil extractor body 1 through the fixing bolt, and meanwhile, a paraffin removal pipeline is connected to the erosion-proof elbow 4 on the other side of the oil extractor body 1 through the fixing bolt.
When oil is extracted through the Y-shaped oil extraction wellhead device, the bypass valve 3 and the water injection valve 5 corresponding to the paraffin removal pipeline are ensured to be closed; and after the confirmation, opening the main valve 2, opening the bypass valve 3 corresponding to the oil production line after the main valve 2 is opened, and enabling the oil to sequentially pass through the main valve 2, the oil production device body 1, the bypass valve 3 and the erosion-resistant elbow 4 and enter the oil production line from the wellhead so as to produce oil.
When wax removal is carried out through the Y-shaped oil extraction wellhead device, the bypass valve 3 and the water injection valve 5 corresponding to an oil extraction pipeline are ensured to be closed; after confirmation, the main valve 2 is opened, the bypass valve 3 corresponding to the paraffin removal pipeline is opened after the main valve 2 is opened, oil enters the paraffin removal pipeline from the wellhead through the main valve 2, the oil extractor body 1, the bypass valve 3 and the erosion-resistant elbow 4 in sequence, and therefore waxy materials in the oil are separated and cleaned.
The Y-shaped oil extraction wellhead device can effectively reduce the occupied space by integrating the main valve 2, the bypass valve 3 and the water injection valve 5 on the oil extraction device body 1, thereby being convenient for transportation and assembly; by increasing the angle between the erosion-resistant elbow and the oil extraction device body, the erosion of the oil extraction device body 1 and the erosion-resistant elbow 4 can be effectively reduced, and the service life is further prolonged; the erosion-preventing elbow 4 is connected with the oil extraction device body 1 through a fixing bolt, and after the erosion-preventing elbow 4 is eroded and damaged, the erosion-preventing elbow can be conveniently disassembled and assembled, so that the erosion-preventing elbow is convenient to replace; the problem of current production tree occupation space big, and be easily eroded and destroy is solved.

Claims (7)

1. The utility model provides a Y type oil recovery wellhead assembly, it comprises oil recovery ware body (1), its characterized in that: the oil extraction device body (1) is Y-shaped, an oil inlet port is formed in the lower end of the oil extraction device body (1), a main valve (2) is arranged on the oil extraction device body (1) above the oil inlet port, bypass valves (3) are symmetrically arranged on the oil extraction device body (1) on two sides above the main valve (2), and erosion prevention elbows (4) are fixedly arranged on the oil extraction device body (1) on the outer sides of the bypass valves (3) through fixing bolts; a water injection valve (5) is arranged at the upper end of the oil extraction device body (1) between the bypass valves (3).
2. A Y-site production wellhead assembly according to claim 1 wherein: and the oil inlet port is provided with a connecting flange (6).
3. A Y-site production wellhead assembly according to claim 1 wherein: a pressure gauge (8) is arranged on the erosion-proof elbow (4) through an instrument flange (7); and a pressure gauge (8) is arranged on the port of the oil extraction device body (1) above the water injection valve (5) through an assembly blind plate (9).
4. A Y-site wellhead assembly, as claimed in claim 3, wherein: and instrument valves (10) are respectively arranged between the pressure gauge (8) and the assembly blind plate (9) and between the pressure gauge (8) and the instrument flange (7).
5. A Y-site wellhead assembly, as claimed in claim 1, wherein: the erosion-resistant elbow (4) is a 135-degree elbow.
6. A Y-site production wellhead assembly according to claim 1 wherein: the oil extraction device bodies (1) on two sides of the water injection valve (5) are symmetrically provided with lifting lugs (11).
7. A Y-site production wellhead assembly according to claim 1 wherein: the main valve (2), the bypass valve (3) and the water injection valve (5) are valves of the same type and are composed of a valve cover (12), a valve rod (13), a valve seat (14) and a flashboard (15), the valve rod (13) is installed on the valve cover (12) in a threaded mode, the valve seat (14) is arranged on a runner of the oil extractor body (1) corresponding to the valve cover (12), the flashboard (15) is inserted into the valve seat (14), and the flashboard (15) is movably connected with the valve rod (13); the valve cover (12) is fixedly and hermetically connected with the oil extraction device body (1) through a fixing bolt.
CN202220473505.XU 2022-03-07 2022-03-07 Y-shaped oil extraction wellhead device Expired - Fee Related CN216788365U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220473505.XU CN216788365U (en) 2022-03-07 2022-03-07 Y-shaped oil extraction wellhead device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220473505.XU CN216788365U (en) 2022-03-07 2022-03-07 Y-shaped oil extraction wellhead device

Publications (1)

Publication Number Publication Date
CN216788365U true CN216788365U (en) 2022-06-21

Family

ID=82001709

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220473505.XU Expired - Fee Related CN216788365U (en) 2022-03-07 2022-03-07 Y-shaped oil extraction wellhead device

Country Status (1)

Country Link
CN (1) CN216788365U (en)

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20220621