CN219826773U

CN219826773U - Modularized wellhead Christmas tree convenient to split

Info

Publication number: CN219826773U
Application number: CN202320929579.4U
Authority: CN
Inventors: 潘为伟; 侯波; 徐海龙
Original assignee: Jiangsu Huazhishuo Technology Co ltd
Current assignee: Jiangsu Huazhishuo Technology Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-10-13
Anticipated expiration: 2033-04-23

Abstract

The utility model relates to the technical field of crude oil exploitation equipment, and discloses a modularized wellhead Christmas tree convenient to split. The clamping blocks are clamped into the clamping grooves through the clamping grooves, the handle is held, the upper cover is rotated, the clamping blocks on the surface of the clamping block sealing block are staggered with the clamping grooves, so that the upper cover is sealed, the pipeline can be prevented from being contacted with rainwater, the pipeline is effectively prevented from being rusted due to rainwater erosion, and the service life of the pipeline is prolonged; through placing the connecting cylinder above the pipeline, through with two go-between chucking in connecting cylinder and pipeline junction, insert the bolt through the screw hole that sets up at the connecting block inner wall to with nut and bolt threaded connection, make can fastening connection between connecting cylinder and the pipeline, the sealing rubber pad that sets up through the go-between inner wall can improve the leakproofness of connecting cylinder and pipeline junction.

Description

Modularized wellhead Christmas tree convenient to split

Technical Field

The utility model relates to the technical field of crude oil exploitation equipment, in particular to a modularized wellhead Christmas tree convenient to split.

Background

In the field of oil exploitation, it is often necessary to install wellhead devices in self-injection wells and mechanical production wells, and the wellhead devices are generally called christmas trees in a tree-like extending shape due to expansion, and are main devices for controlling and regulating oil and gas production at the uppermost part of an oil and gas well, and mainly comprise three parts, namely a casing head, a tubing head and a christmas tree body.

The Chinese patent discloses a modular wellhead Christmas tree convenient to split, the publication number is CN114856476A, the modular wellhead Christmas tree comprises a Christmas tree wellhead plate, and a connecting oil pipe sleeve is fixedly arranged at the top of the Christmas tree wellhead plate. According to the utility model, the assembly seat can drive the sealing cushion block to be separated from the outer wall of the pipeline correspondingly connected, another pipe fitting to be expanded is inserted into the other side of the connecting seat through the expansion of the sealing cushion block, two sides of the adjusting ring are mutually sealed and then pushed into one side of the adjacent limiting seat, one side of the limiting seat is inserted into the seat to be sealed in an abutting mode, the adjusting ring drives the pressing plate to reset after pressing, the sealing cushion block is clamped into the connecting side of the expansion communicating pipe to be fully sealed, the quick assembly of the pipeline of the expansion part is realized through the cooperation of the adjusting ring and the limiting seat, the flange is not required to be assembled, the adaptability to the modularized expansion of the christmas tree is improved through the arrangement of the limiting mechanism and the sealing mechanism, and the maintenance processing difficulty is reduced.

But no protection device is arranged at the position of the oil extraction pipe in the device, the oil extraction pipe cap and the oil extraction pipe are corroded by rainwater in rainy season, the oil extraction pipe cap and the oil extraction pipe are easy to rust, the use of the oil extraction pipe cap and the oil extraction pipe is influenced, and the service life of the oil extraction pipe is reduced. It is desirable to provide a modular wellhead tree that facilitates disassembly.

Disclosure of Invention

The utility model aims to provide a modularized wellhead production tree convenient to split so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the modularized wellhead Christmas tree comprises a Christmas tree wellhead plate and a pipeline, wherein the modularized wellhead Christmas tree is convenient to split, and a splitting mechanism is arranged on the top surface of the pipeline;

the pipeline top surface is provided with the connecting cylinder, the spout has been seted up to the connecting cylinder inner wall, the draw-in groove has been seted up to the connecting cylinder top surface, the connecting cylinder top surface is provided with the upper cover, upper cover bottom surface and connecting cylinder top surface sliding connection, the upper cover bottom surface is provided with the sealing block, sealing block top surface and upper cover bottom surface fixed connection, the sealing block surface is provided with the fixture block, fixture block connection face and sealing block fixed surface, fixture block and spout and draw-in groove inner wall sliding connection, the connecting cylinder surface is provided with the go-between, go-between inner wall and connecting cylinder surface extrusion formula contact, the go-between surface is provided with the connecting block, the screw hole has been seted up on the connecting block surface, and the screw hole inner wall is provided with the bolt, bolt surface and screw hole inner wall threaded connection, the bolt surface is provided with the nut, nut inner wall and bolt surface threaded connection.

Preferably, the top surface of the upper cover is provided with a handle, the bottom surface of the handle is fixedly connected with the top surface of the upper cover, and the upper cover is convenient to rotate and pull through the arrangement of the handle.

Preferably, the inner wall of the connecting ring is provided with a rubber sealing gasket, the surface of the rubber sealing gasket is fixedly connected with the inner wall of the connecting ring, the inner wall of the rubber sealing gasket is in extrusion contact with the surface of the connecting cylinder and the pipeline, and the sealing performance of the connecting cylinder and the connecting position of the pipeline is more excellent through the arrangement of the rubber sealing gasket.

Preferably, the top surface of the christmas tree wellhead plate is provided with a bolt component, a threaded hole II is formed in the top surface of the christmas tree wellhead plate, the surface of the bolt component is in threaded connection with the inner wall of the threaded hole II, the bottom surface of the pipeline is fixedly connected with the top surface of the christmas tree wellhead plate, and the christmas tree wellhead plate can be fastened and connected with the wellhead position through the arrangement of the bolt component.

Preferably, the right side of the pipeline is provided with a communicating pipe, the left side of the communicating pipe penetrates through the right side of the pipeline, the right side of the communicating pipe is provided with a control valve, and the left side of the control valve is fixedly connected with the right side of the communicating pipe.

Preferably, the left side of the pipeline is provided with a valve pipe communicating pipe, the right side of the valve pipe communicating pipe penetrates through the left side of the pipeline, and the oil liquid is conveniently discharged through the arrangement of the valve pipe communicating pipe.

Preferably, the front of the valve pipe communicating pipe is provided with an expansion communicating pipe, the rear of the expansion communicating pipe penetrates through the front of the valve pipe communicating pipe, and the number of pipelines can be increased for the communicating pipe through the arrangement of the expansion communicating pipe, and the valve pipe belongs to a standby pipeline.

Preferably, the valve pipe communicating pipe and the expansion communicating pipe are respectively provided with a valve, the two inner walls of the valves are fixedly connected with the surfaces of the valve pipe communicating pipe and the expansion communicating pipe respectively, the pipeline surface is provided with a pipeline valve, the inner wall of the pipeline valve is fixedly connected with the surface of the pipeline, and the valve and the pipeline valve are arranged to facilitate the control of the closing of the valve pipe communicating pipe, the expansion communicating pipe and the pipeline.

Compared with the prior art, the utility model has the beneficial effects that: according to the modularized wellhead Christmas tree convenient to split, the clamping blocks are clamped into the clamping grooves through the clamping grooves, the handles are held and the upper cover is rotated, so that the clamping blocks on the surfaces of the clamping block sealing blocks are staggered with the clamping grooves, the upper cover is sealed, the pipeline can be prevented from being contacted with rainwater, the pipeline is effectively prevented from being rusted due to rainwater erosion, and the service life of the pipeline is prolonged; through placing the connecting cylinder above the pipeline, through with two go-between chucking in connecting cylinder and pipeline junction, insert the bolt through the screw hole that sets up at the connecting block inner wall to with nut and bolt threaded connection, make can fastening connection between connecting cylinder and the pipeline, the sealing rubber pad that sets up through the go-between inner wall can improve the leakproofness of connecting cylinder and pipeline junction.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram of a front perspective structure of the present utility model;

FIG. 3 is a schematic view of the splitting mechanism of the present utility model;

fig. 4 is an enlarged view of the structure of fig. 3 a according to the present utility model.

In the figure: the production line comprises a wellhead plate of a production tree, a 2-bolt assembly, a 3-pipeline, a 4-pipeline valve, a 5-communicating pipe, a 6-control valve, a 7-splitting mechanism, a 701 connecting cylinder, a 702 sliding chute, a 703 clamping groove, a 704 upper cover, a 705 sealing block, a 706 clamping block, a 707 handle, a 708 connecting ring, a 709 rubber sealing gasket, a 710 connecting block, a 711 bolt, a 712 nut, an 8-valve pipe communicating pipe, a 9-expansion communicating pipe and a 10 valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the modular wellhead production tree convenient to split comprises a production tree wellhead plate 1 and a pipeline 3, wherein the top surface of the production tree wellhead plate 1 is provided with a bolt component 2, the top surface of the production tree wellhead plate is provided with a threaded hole II, the surface of the bolt component 2 is in threaded connection with the inner wall of the threaded hole II, the bottom surface of the pipeline 3 is fixedly connected with the top surface of the production tree wellhead plate 1, the right surface of the pipeline 3 is provided with a communicating pipe 5, the left surface of the communicating pipe 5 is communicated with the right surface of the communicating pipe 3 and fixedly connected with a control valve 6, the left surface of the control valve 6 is communicated with the right surface of the communicating pipe 5, the left surface of the pipeline 3 is provided with a valve communicating pipe 8, the right surface of the valve communicating pipe 8 is communicated with the left surface of the pipeline 3, the front surface of the valve communicating pipe 8 is provided with an expansion communicating pipe 9, the back surface of the expansion communicating pipe 9 is communicated with a valve 10, the inner walls of the two valves 10 are respectively fixedly connected with the valve communicating pipe 8 and the surface of the expansion communicating pipe 9, the surface of the pipeline 3 is provided with a pipeline valve 4, the inner wall of the pipeline valve 4 is fixedly connected with the surface of the pipeline 3, and the top surface of the pipeline 3 is provided with a splitting mechanism 7;

the top surface of the pipeline 3 is provided with a connecting cylinder 701, the inner wall of the connecting cylinder 701 is provided with a sliding groove 702, the top surface of the connecting cylinder 701 is provided with a clamping groove 703, the top surface of the connecting cylinder 701 is provided with an upper cover 704, the bottom surface of the upper cover 704 is in sliding connection with the top surface of the connecting cylinder 701, the top surface of the upper cover 704 is provided with a handle 707, the bottom surface of the handle 707 is fixedly connected with the top surface of the upper cover 704, the bottom surface of the upper cover 704 is provided with a sealing block 705, the top surface of the sealing block 705 is fixedly connected with the bottom surface of the upper cover 704, the surface of the sealing block 705 is provided with a clamping block 706, the connecting surface of the clamping block 706 is fixedly connected with the surface of the sealing block 705, the clamping block 706 is in sliding connection with the sliding groove 702 and the inner wall of the clamping groove 703, the clamping block 706 is clamped into the clamping groove 703 through the clamping groove 703, the handle 707 is held, the upper cover 704 is rotated, the position of the clamping block 706 on the surface of the clamping block 705 is staggered, the upper cover is sealed, the pipeline 3 can avoid rainwater contact, can effectively prevent rainwater erosion from leading to rusting of the pipeline 3, prolong the service life of the pipeline 3, the surface of the connecting cylinder 701 is provided with a connecting ring 708, the inner wall of the connecting ring 708 is in extrusion contact with the surface of the connecting cylinder 701, the inner wall of the connecting ring 708 is provided with a rubber sealing pad 709, the surface of the rubber sealing pad 709 is fixedly connected with the inner wall of the connecting ring 708, the inner wall of the rubber sealing pad 709 is in extrusion contact with the surfaces of the connecting cylinder 701 and the pipeline 3, the surface of the connecting ring 708 is provided with a connecting block 710, the surface of the connecting block 710 is provided with a threaded hole, the inner wall of the threaded hole is provided with a bolt 711, the surface of the bolt 711 is in threaded connection with the inner wall of the threaded hole, the surface of the bolt 711 is provided with a nut 712, the inner wall of the nut 712 is in threaded connection with the surface of the bolt 711, by placing the connecting cylinder 701 above the pipeline 3, by clamping the two connecting rings 708 at the connection part of the connecting cylinder 701 and the pipeline 3, by inserting the bolt 711 into the threaded hole formed in the inner wall of the connecting block 710, and screw cap 712 is screwed with bolt 711 to enable the connection between connecting cylinder 701 and pipe 3, and sealing property of the connection between connecting cylinder 701 and pipe 3 can be improved by sealing rubber pad 709 provided on the inner wall of connecting ring 708.

During the use, through placing connecting cylinder 701 in pipeline 3 top, through the chucking of two go-between 708 in connecting cylinder 701 and pipeline 3 junction, through insert bolt 711 in the screw hole that the connecting block 710 inner wall was seted up, and with nut 712 and bolt 711 threaded connection, make can fastening connection between connecting cylinder 701 and the pipeline 3, seal rubber pad 709 through the setting of go-between 708 inner wall, can improve the leakproofness of connecting cylinder 701 and pipeline 3 junction, through the clamping groove 703 card in with fixture block 706, hold handle 707 and rotatory upper cover 704, make fixture block 706 and the position of clamping groove 703 on fixture block sealing block 705 are wrong, thereby seal upper cover 704, make pipeline 3 can avoid the rainwater contact, can effectively prevent that the rainwater erosion from leading to pipeline 3 to rust, extension pipeline 3 life, during the use, through opening pipeline valve 4 and turning control valve 6, make fluid can flow from the pipeline in to valve pipe 8 and expansion 9 in, through control valve 10, can follow valve pipe 8 and expansion 9 in communicating pipe 9, this operation is accomplished.

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

Claims

1. The utility model provides a modularization well head christmas tree convenient to split, includes christmas tree wellhead board (1) and pipeline (3), its characterized in that: the top surface of the pipeline (3) is provided with a splitting mechanism (7);

the utility model provides a pipeline (3) top surface is provided with connecting cylinder (701), spout (702) have been seted up to connecting cylinder (701) inner wall, draw-in groove (703) have been seted up to connecting cylinder (701) top surface, connecting cylinder (701) top surface is provided with upper cover (704), upper cover (704) bottom surface and connecting cylinder (701) top surface sliding connection, upper cover (704) bottom surface is provided with sealing block (705), sealing block (705) top surface and upper cover (704) bottom surface fixed connection, sealing block (705) surface is provided with fixture block (706), fixture block (706) junction surface and sealing block (705) surface fixed connection, fixture block (706) and spout (702) and draw-in groove (703) inner wall sliding connection, connecting cylinder (701) surface is provided with go-between (708), go-between (708) inner wall and connecting cylinder (701) surface extrusion contact, go-between (710) surface is provided with screw hole, screw hole (710) are seted up on the connecting block (710) surface, the inner wall is provided with screw hole, screw hole (711) surface and screw cap (712) surface, screw cap (711) are connected with screw cap (712) surface.

2. The modular wellhead assembly of claim 1, wherein the modular wellhead assembly comprises: the top surface of the upper cover (704) is provided with a handle (707), and the bottom surface of the handle (707) is fixedly connected with the top surface of the upper cover (704).

3. The modular wellhead assembly of claim 1, wherein the modular wellhead assembly comprises: the inner wall of the connecting ring (708) is provided with a rubber sealing pad (709), the surface of the rubber sealing pad (709) is fixedly connected with the inner wall of the connecting ring (708), and the inner wall of the rubber sealing pad (709) is in extrusion contact with the surfaces of the connecting cylinder (701) and the pipeline (3).

4. The modular wellhead assembly of claim 1, wherein the modular wellhead assembly comprises: the top surface of the Christmas tree wellhead plate (1) is provided with a bolt component (2), the top surface of the Christmas tree wellhead plate is provided with a threaded hole II, the surface of the bolt component (2) is in threaded connection with the threaded hole II, and the bottom surface of the pipeline (3) is fixedly connected with the top surface of the Christmas tree wellhead plate (1).

5. The modular wellhead assembly of claim 1, wherein the modular wellhead assembly comprises: the pipeline (3) right side is provided with communicating pipe (5), communicating pipe (5) left side link up pipeline (3) right side, communicating pipe (5) right side is provided with control valve (6), control valve (6) left side and communicating pipe (5) right side fixed connection.

6. The modular wellhead assembly of claim 1, wherein the modular wellhead assembly comprises: the left side of the pipeline (3) is provided with a valve pipe communicating pipe (8), and the right side of the valve pipe communicating pipe (8) penetrates through the left side of the pipeline (3).

7. The modular wellhead assembly of claim 6, wherein the modular wellhead assembly comprises: the front of the valve pipe communicating pipe (8) is provided with an expansion communicating pipe (9), and the rear of the expansion communicating pipe (9) penetrates through the front of the valve pipe communicating pipe (8).

8. The modular wellhead assembly of claim 7, wherein the modular wellhead assembly comprises: the valve pipe communicating pipe (8) and the surface of the expansion communicating pipe (9) are both provided with valves (10), the inner walls of the two valves (10) are fixedly connected with the surfaces of the valve pipe communicating pipe (8) and the expansion communicating pipe (9) respectively, the surface of the pipeline (3) is provided with a pipeline valve (4), and the inner walls of the pipeline valve (4) are fixedly connected with the surface of the pipeline (3).