CN111927369A

CN111927369A - Wellhead assembly

Info

Publication number: CN111927369A
Application number: CN202010692641.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Huayun Longteng Machinery Manufacturing Co ltd
Current assignee: Huayun Longteng Machinery Manufacturing Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2020-11-13
Anticipated expiration: 2040-07-17
Also published as: CN111927369B

Abstract

The invention discloses a wellhead device, which comprises a device shell and a wellhead device body, wherein the wellhead device body is positioned inside the device shell, a disc is fixedly connected to the outer side of the wellhead device body, arc-shaped clamping blocks are symmetrically arranged on the outer side of the disc, supporting plates are fixedly connected to the bottom ends of the arc-shaped clamping blocks, first sliding rails are slidably connected to the bottom ends of the supporting plates, and second sliding rails are slidably connected to two sides of each supporting plate; through setting up first motor and second motor, make first motor and second motor drive first lead screw and second lead screw rotation respectively, and then make the backup pad drive the arc clamp splice and carry out the centre gripping with the disc, through setting up the third motor, make the third motor drive the third lead screw and rotate, and then make U type bottom plate drive well head device body and reciprocate, played the effect of lifting up the well head device body, reduced working strength, make device shell and well head device body be convenient for remove through setting up the universal wheel.

Description

Wellhead assembly

Technical Field

The invention relates to the technical field of oil exploitation, in particular to a wellhead device.

Background

In petroleum and natural gas drilling, the device is arranged at a wellhead and used for controlling the pressure and direction of gas and liquid (oil, water and the like) fluid, suspending a casing and an oil pipe and sealing the oil pipe, the casing and annular spaces of all layers of casings; the device generally comprises a casing head, an oil pipe head, a blowout preventer stack, a four-way joint and a bypass pipe fitting; the Christmas tree and the gas production tree also belong to wellhead devices; petroleum is a fluid mineral buried deep underground; firstly, people call oily liquid minerals generated in nature as petroleum, call combustible gas as natural gas, and call solid combustible oily minerals as asphalt; with the intensive research on these minerals, it is recognized that they are hydrocarbon compounds in composition, and are related to each other in origin, so they are collectively called petroleum; compared with coal, the coal-fired boiler has the advantages of large energy density (the combustion heat of oil with equal weight is 50 percent higher than that of standard coal), convenience in transportation and storage, small pollution degree to the atmosphere after combustion and the like; fuel oil extracted from petroleum is the main fuel for various kilns in transportation, power station boilers, metallurgical industry and building material industry; liquefied gas and pipeline gas which take petroleum as raw materials are high-quality fuels applied to the life of urban residents; airplanes, tanks, naval vessels, rockets, and other spacecraft, also consume large amounts of petroleum fuel; thus, many countries rank oil as strategic material; petroleum is a fluid mineral buried deep underground; firstly, people call oily liquid minerals generated in nature as petroleum, call combustible gas as natural gas, and call solid combustible oily minerals as asphalt; with the intensive research on these minerals, it is recognized that they are hydrocarbon compounds in composition, and are related to each other in origin, so they are collectively called petroleum.

Petroleum is a complex mixture consisting of gaseous, liquid and solid hydrocarbons present in nature, with small amounts of impurities; in the process of exploitation, the exploitation, observation and control of oil and gas reservoirs are needed through a production well, an injection well and an observation well, and the flow of oil and gas has three processes which are mutually connected: oil and gas flow into the bottom of the well from the oil layer; from bottom to top; flows into an oil collecting station from the well mouth, flows into an oil and gas transmission main station after separation and dehydration treatment, and is transferred out of a mining area.

The wellhead assembly is oil well production hub, is the ground part that whole oil well constitutes, because wellhead assembly quality is great, so make more hard in the installation, the great inconvenient removal of working strength generally needs machinery to lift by crane and the manual work to lift up mutually and just can install, and is very inconvenient when connecting angle regulation, leads to installing consuming time to increase to be not convenient for maintain in the later maintenance.

Disclosure of Invention

The invention aims to solve the problems of inconvenient installation, high working strength, inconvenient movement and inconvenient later maintenance in the prior art, and provides a wellhead device which has the effects of convenient installation, angle adjustment and later maintenance.

In order to achieve the purpose, the invention provides the following technical scheme: the wellhead device comprises a device shell and a wellhead device body, wherein the wellhead device body is positioned inside the device shell, a disc is fixedly connected to the outer side of the wellhead device body, arc-shaped clamping blocks are symmetrically arranged on the outer side of the disc, a supporting plate is fixedly connected to the bottom ends of the arc-shaped clamping blocks, first slide rails are slidably connected to the bottom ends of the supporting plate, second slide rails are slidably connected to the two sides of the supporting plate, one ends of the second slide rails, far away from the arc-shaped clamping blocks, are fixedly connected with a first side plate, one side, far away from the supporting plate, of the first side plate is fixedly connected with a first motor and a second motor respectively, a first lead screw is arranged on the other side of the first side plate of the first motor, the supporting plate is in threaded connection with the first lead screw, the bottom ends of the first slide rails and the first side plate are fixedly connected, the second lead screw is in threaded connection with the supporting plate, a third lead screw is in threaded connection with the back of the U-shaped bottom plate, a third motor is arranged at the top end of the third lead screw, and a bearing is rotatably connected to the bottom end of the third lead screw.

Preferably, the outside symmetry fixedly connected with first connecting pipe and second connecting pipe of wellhead assembly body.

Preferably, the other ends of the first lead screw and the second lead screw are rotatably connected with a second side plate, and the second side plate is fixedly connected with the first sliding rail.

Preferably, the outer side of the device shell is provided with a control panel, and the first motor, the second motor and the third motor are connected with the control panel through leads.

Preferably, the two sides of the device shell are fixedly connected with hangers.

Preferably, the width of the inner side of the U-shaped bottom plate is larger than that of the wellhead device body, an opening is formed in the front face of the device shell, and the width of the wellhead device body is smaller than that of the opening.

Preferably, four corners of the bottom end of the device shell are fixedly connected with universal wheels.

Preferably, the bottom end of the bearing is fixedly connected to the bottom end inside the device shell, and the top end of the third motor is fixedly connected to the top end inside the device shell.

Preferably, the four corners of the outer side of the U-shaped bottom plate are all connected with third sliding rails in a sliding manner, and the third sliding rails are fixedly connected to the four corners of the inner portion of the device shell.

Compared with the prior art, the invention provides a wellhead device, which has the following beneficial effects:

1. according to the invention, the device shell is arranged, the device shell is moved through the universal wheels, the wellhead device body is vertically placed after being assembled, the device shell is pushed to the wellhead device body, the wellhead device body is positioned in the device shell, the disk is arranged, the wellhead device body is convenient to clamp through the disk and is also convenient to lift manually, the first motor and the second motor are arranged to respectively drive the first lead screw and the second lead screw to rotate, the support plate drives the arc-shaped clamping block to clamp the disk, and the third motor is arranged to drive the third lead screw to rotate, so that the U-shaped bottom plate drives the wellhead device body to move up and down, the effect of lifting the wellhead device body is achieved, and the working strength is reduced;

2. according to the invention, the device shell and the wellhead device body can be directly hoisted by arranging the hangers, after the device shell and the wellhead device body are transported to the designated positions, the device shell and the wellhead device body are convenient to move by arranging the universal wheels, and in the installation process, the angle can be adjusted by the universal wheels, so that the installation is more convenient, and the working strength is further reduced;

3. according to the invention, the first motor, the second motor and the third motor are arranged, in the later maintenance process, the supporting plate drives the arc-shaped clamping block to clamp the disc, and after the progress screw is loosened, the third motor drives the third screw rod to rotate to lift the wellhead device body, so that the maintenance is more convenient, and the effect of facilitating the later maintenance is achieved.

The device has the advantages that the structure is scientific and reasonable, the use is safe and convenient, and great help is provided for people.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:

FIG. 1 is a schematic front internal structural view of a wellhead assembly in accordance with the present invention;

FIG. 2 is a schematic illustration of the internal structure of the back of the wellhead assembly according to the present invention;

FIG. 3 is a schematic view of the exterior of the wellhead assembly according to the present invention;

FIG. 4 is a schematic sectional top view of a wellhead assembly in accordance with the present invention;

FIG. 5 is a schematic top view of a wellhead assembly according to the present invention;

in the figure: 1. a device housing; 2. a wellhead body; 3. a disc; 4. an arc-shaped clamping block; 5. a support plate; 6. a first slide rail; 7. a second slide rail; 8. a first side plate; 9. a first motor; 10. a first lead screw; 11. a U-shaped bottom plate; 12. a third slide rail; 13. a second motor; 14. a second lead screw; 15. a third lead screw; 16. a bearing; 17. a third motor; 18. a first connecting pipe; 19. a second connecting pipe; 20. a control panel; 21. a universal wheel; 22. hanging a lug; 23. a second side plate.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: a wellhead device comprises a device shell 1 and a wellhead device body 2, wherein the wellhead device body 2 is positioned inside the device shell 1, the device shell 1 is moved through a universal wheel 21 by arranging the device shell 1, the wellhead device body 2 is vertically placed after being assembled, the device shell 1 is pushed to the wellhead device body 2, the wellhead device body 2 is positioned inside the device shell 1, a disc 3 is fixedly connected to the outer side of the wellhead device body 2, the wellhead device body 2 is conveniently clamped through the disc 3 by arranging the disc 3 and is also conveniently lifted manually, arc-shaped clamping blocks 4 are symmetrically arranged on the outer side of the disc 3, a supporting plate 5 is fixedly connected to the bottom ends of the arc-shaped clamping blocks 4, a first sliding rail 6 is respectively and slidably connected to the bottom ends of the supporting plate 5, a second sliding rail 7 is respectively and slidably connected to two sides of the supporting plate 5, and a first side plate 8 is fixedly connected to one end, far away from the, the side, away from the supporting plate 5, of the first side plate 8 on two sides is fixedly connected with a first motor 9 and a second motor 13 respectively, the first motor 9 is positioned on the other side of the first side plate 8 and is provided with a first lead screw 10, the supporting plate 5 is in threaded connection with the first lead screw 10, the bottom ends of the first slide rail 6 and the first side plate 8 are fixedly connected with the top end of a U-shaped bottom plate 11, the second motor 13 is positioned on the other side of the first side plate 8 and is provided with a second lead screw 14, the second lead screw 14 is in threaded connection with the supporting plate 5, the back surface of the U-shaped bottom plate 11 is in threaded connection with a third lead screw 15, the top end of the third lead screw 15 is provided with a third motor 17, the bottom end of the third lead screw 15 is rotatably connected with a bearing 16, the first motor 9 and the second motor 13 are arranged to enable the first motor 9 and the second motor 13 to drive, through setting up third motor 17, make third motor 17 drive third lead screw 15 and rotate, and then make U type bottom plate 11 drive wellhead assembly body 2 and reciprocate, played and lifted the effect to wellhead assembly body 2, reduced working strength.

In the invention, preferably, the outer side of the wellhead body 2 is symmetrically and fixedly connected with a first connecting pipe 18 and a second connecting pipe 19, so that the wellhead can be conveniently and continuously installed.

In the invention, preferably, the other ends of the first lead screw 10 and the second lead screw 14 are rotatably connected with a second side plate 23, and the second side plate 23 is fixedly connected with the first slide rail 6, so that the first motor 9 and the second motor 13 can stably rotate, and the effect of clamping the disc 3 by driving the arc-shaped clamping block 4 by the supporting plate 5 is achieved.

In the invention, preferably, the control board 20 is arranged on the outer side of the device shell 1, the first motor 9, the second motor 13 and the third motor 17 are connected with the control board 20 through leads, and the control board 20 is used for controlling the first motor 9, the second motor 13 and the third motor 17, so that the operation is more convenient and labor-saving.

In the present invention, it is preferable that the hanging lugs 22 are fixedly connected to both sides of the device housing 1, so that the device housing 1 and the wellhead body 2 can be directly hoisted.

In the present invention, preferably, the width of the inner side of the U-shaped bottom plate 11 is greater than the width of the wellhead device body 2, the front surface of the device housing 1 is provided with an opening, and the width of the wellhead device body 2 is less than the width of the opening, so that the wellhead device body 2 can enter the inside of the device housing 1.

In the present invention, preferably, four corners of the bottom end of the device housing 1 are fixedly connected with universal wheels 21, and the device housing 1 is convenient to move through the universal wheels 21.

In the present invention, preferably, the bottom end of the bearing 16 is fixedly connected to the bottom end inside the device housing 1, and the top end of the third motor 17 is fixedly connected to the top end inside the device housing 1, so that the third motor 17 and the third lead screw 15 can stably operate.

In the present invention, preferably, the four outer corners of the U-shaped bottom plate 11 are slidably connected with third slide rails 12, and the third slide rails 12 are fixedly connected to the four inner corners of the device housing 1, so that the U-shaped bottom plate 11 can stably move up and down.

The working principle and the using process of the invention are as follows: when the wellhead device is used, the wellhead device body 2, the first connecting pipe 18 and the second connecting pipe 19 are assembled, the disc 3 is fixedly connected to the outer side of the wellhead device body 2, the wellhead device body 2 is clamped through the disc 3 and is lifted manually, the wellhead device body 2 is vertically placed after being assembled, the device shell 1 is pushed to the wellhead device body 2, the wellhead device body 2 is located in the middle position inside the device shell 1, the first motor 9 and the second motor 13 are controlled through the control board 20, the first motor 9 and the second motor 13 respectively drive the first lead screw 10 and the second lead screw 14 to rotate, the support board 5 drives the arc-shaped clamping block 4 to clamp the disc 3, the third motor 17 is controlled through the control board 20, the third motor 17 drives the third lead screw 15 to rotate, and the U-shaped bottom board 11 drives the wellhead device body 2 to move up and down, lifting up the wellhead device body 2, moving the device shell 1 and the wellhead device body 2, enabling the device shell 1 and the wellhead device body 2 to be convenient to move by the universal wheels 21, transporting the device shell 1 and the wellhead device body 2 to specified positions, moving the device shell 1 to the ground connecting end of a wellhead, controlling the third motor 17 by the control board 20 to slowly lower the wellhead device body 2, adjusting the angle and the position by the certain device shell 1 in the lowering process, then installing the wellhead device body 2 to achieve the effect of convenient installation, controlling the first motor 9 and the second motor 13 by the control board 20 after the installation is completed, enabling the arc clamping blocks 4 to release the clamping of the disc 3, moving the device shell 1 to facilitate the movement and use of the device shell 1, clamping the disc 3 by enabling the arc clamping blocks 4 to be driven by the support board 5 in the later maintenance process, after the progress screw is loosened, the third motor 17 drives the third screw rod 15 to rotate so as to lift the wellhead device body 2, so that the maintenance is more convenient, and the effect of facilitating the later maintenance is achieved; the device shell 1 and the wellhead body 2 can be directly hoisted through the hanging lugs 22, and the installation and the movement of the wellhead are very convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Wellhead assembly, including device shell (1) and wellhead assembly body (2), its characterized in that: the wellhead device body (2) is positioned inside the device shell (1), the outer side of the wellhead device body (2) is fixedly connected with a disc (3), the outer side of the disc (3) is symmetrically provided with arc-shaped clamping blocks (4), the bottom ends of the arc-shaped clamping blocks (4) are fixedly connected with a support plate (5), the bottom end of the support plate (5) is slidably connected with a first slide rail (6), the two sides of the support plate (5) are slidably connected with second slide rails (7), one end of each second slide rail (7), far away from the arc-shaped clamping block (4), is fixedly connected with a first side plate (8), one side of each first side plate (8), far away from the support plate (5), is fixedly connected with a first motor (9) and a second motor (13), the first motor (9) is positioned at the other side of the first side plate (8) and is provided with a first lead screw (10), the support plate (5) is in, first slide rail (6) and first curb plate (8) bottom equal fixed connection are in the top of U type bottom plate (11), the opposite side that second motor (13) are located first curb plate (8) is provided with second lead screw (14), second lead screw (14) and backup pad (5) threaded connection, U type bottom plate (11) back threaded connection has third lead screw (15), third lead screw (15) top is provided with third motor (17), third lead screw (15) bottom is rotated and is connected with bearing (16).

2. A wellhead device according to claim 1, characterized in that a first connecting pipe (18) and a second connecting pipe (19) are symmetrically and fixedly connected to the outside of the wellhead body (2).

3. The wellhead device according to claim 1, characterized in that the other ends of the first lead screw (10) and the second lead screw (14) are rotatably connected with a second side plate (23), and the second side plate (23) is fixedly connected with the first slide rail (6).

4. A wellhead device according to claim 1, characterised in that a control board (20) is arranged on the outside of the device housing (1), and the first motor (9), the second motor (13) and the third motor (17) are wired to the control board (20) by means of wires.

5. A wellhead device according to claim 1, characterised in that lugs (22) are fixedly connected to both sides of the device housing (1).

6. A wellhead as claimed in claim 1, characterised in that the width of the inside of the U-shaped floor (11) is greater than the width of the wellhead body (2), the front face of the device housing (1) is open, and the width of the wellhead body (2) is less than the width of the opening.

7. A wellhead device according to claim 1, characterised in that four corners of the bottom end of the device housing (1) are fixedly connected with universal wheels (21).

8. A wellhead according to claim 1 characterised in that the bearing (16) is fixedly connected at its bottom end to the bottom end inside the device housing (1) and the third motor (17) is fixedly connected at its top end inside the device housing (1).

9. The wellhead device according to claim 1, characterized in that the four outer corners of the U-shaped bottom plate (11) are slidably connected with third slide rails (12), and the third slide rails (12) are fixedly connected with the four inner corners of the device housing (1).