CN216157640U

CN216157640U - Wellhead flow combining device

Info

Publication number: CN216157640U
Application number: CN202122152722.7U
Authority: CN
Inventors: 满春山
Original assignee: Daqing Jiayu Machinery Manufacturing Co ltd
Current assignee: Daqing Jiayu Machinery Manufacturing Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-04-01
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a wellhead flow combined device, which comprises a wellhead device and a plurality of heating assemblies, wherein each heating assembly comprises a heating cover, an oil cylinder and a circulating pump, the heating cover is sleeved on a pipeline of the wellhead device and is in sealing connection with the outer wall of the pipeline of the wellhead device, two sides of adjacent upper and lower end faces of the heating cover in the plurality of heating assemblies are communicated through connecting pipes, one end of the oil cylinder is connected with the circulating pump through the pipeline, one end of the circulating pump is communicated with one side connecting pipe on the heating cover through the pipeline, and the other end of the oil cylinder is connected to the other side connecting pipe on the heating cover through the pipeline. The heat conduction oil of the utility model is contacted with the pipe wall, thereby heating the oil in the pipe, heating the crude oil in the oil pipe, ensuring the fluidity of the crude oil of the combined device and improving the effectiveness of oil transportation.

Description

Wellhead flow combining device

Technical Field

The utility model relates to the technical field of oil extraction wellhead devices, in particular to a wellhead flow combining device.

Background

The well head device, the composition material has tube head, blowout preventer stack, etc., the fluid pressure and direction of the function control gas, liquid, existing in order to prevent crude oil flowing through well head device of the oil field from binding or congealing, need to preserve heat to the pipeline of the single-pipe apparatus of well head of the oil field, in order to guarantee the pipeline is unblocked, the heat-insulating mode of the single-pipe apparatus pipeline of well head of the oil field at present adopts the external heating type mostly, namely install the heat-insulating method of the electric heat tape on the pipeline before the single-pipe apparatus additionally to guarantee the mobility of crude oil entering the single-pipe apparatus, make the crude oil transported not solidify in the pipeline because of becoming low temperature, the question of this method is unsafe, the power consumption is large, aging is fast, and does not guard against theft.

Therefore, a wellhead flow combined device is needed, crude oil in an oil pipe can be heated, the flowability of the crude oil of the combined device is guaranteed, and the effectiveness of oil transportation is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wellhead flow combination device, and aims to solve the problems that the existing method for additionally arranging an electric heating belt on a pipeline to keep the heat preservation ensures the fluidity of crude oil entering a single pipe device, so that the conveyed crude oil cannot be solidified in the pipeline due to low temperature, and the method is unsafe, high in power consumption, quick in aging and free of theft prevention.

The utility model is realized by the following steps:

the utility model provides a well head flow composite set, including the wellhead assembly, still include a plurality of heating element, heating element includes the heating mantle, an oil section of thick bamboo and circulating pump, the heating mantle cover is established on the pipeline of wellhead assembly, the pipeline outer wall sealing connection of heating mantle and wellhead assembly, the both sides of the adjacent upper and lower both ends face of heating mantle among a plurality of heating element are all through the connecting pipe intercommunication, there is the circulating pump one end of an oil section of thick bamboo through the pipe connection, pipeline and the one side connecting pipe intercommunication on the heating mantle are passed through to the one end of circulating pump, the other end of an oil section of thick bamboo passes through the pipe connection on the opposite side connecting pipe on the heating mantle.

Furthermore, a filling pipe is vertically connected to one side of the top surface of the oil cylinder in a through mode, a plug block is arranged in the filling pipe, and a plurality of heating rods are evenly and horizontally arranged in the oil cylinder.

And then be connected with the filler pipe through the vertical through connection in top surface one side of oil cylinder, be provided with the chock in the filler pipe, the heat-conducting oil is annotated to the english, and the even level in inside of oil cylinder is provided with many heating rods for heating fluid carries out the heat conduction transmission.

Furthermore, the two sides of the upper end surface and the lower end surface of the heating cover are vertically connected with guide cylinders in a through way, and the end parts of the guide cylinders are communicated with the connecting pipe.

And then the both sides through both ends face about the heating mantle are all vertical through connection to have the guide cylinder, make things convenient for circulation to lead and send fluid to loop through a plurality of heating mantles, the tip and the connecting pipe intercommunication of guide cylinder to make things convenient for the later stage to lead and send fluid.

Furthermore, the outer end faces of the heating covers are all sleeved with heat preservation sleeves, and the heat preservation sleeves are made of rubber materials.

And then all overlap on the outer terminal surface through heating the cover and be equipped with the insulation cover, the insulation cover adopts the rubber material to make to the heat of isolated fluid scatters and disappears through heating the cover outer wall, improves heat utilization efficiency.

Furthermore, a flow guide cavity is formed in the center of the connecting pipe, and a hollow heat preservation cavity is formed in the pipe wall of the connecting pipe.

And then the center department through the connecting pipe has seted up the water conservancy diversion chamber, has seted up hollow heat preservation chamber on the pipe wall of connecting pipe, and the cavity setting in hollow heat preservation chamber is favorable to reducing through the inside and outside heat transfer of pipe wall, leads to the heat to scatter and disappear.

Furthermore, the heat preservation cavity of the connecting pipe is filled with heat preservation cotton.

And then pack in the heat preservation chamber through the connecting pipe and have the heat preservation cotton, the heat preservation cotton is favorable to isolated heat, improves the heat preservation effect to fluid.

Compared with the prior art, the utility model has the beneficial effects that: the utility model

When the wellhead flow combined device is used, the heating covers on the heating components are sleeved and fixed on a pipeline of the wellhead device in a sealing manner, then the two sides of the heating covers on the heating components are communicated through the connecting pipe, then heat conducting oil is added into the oil cylinder, then the heating rod is started to heat the heat conducting oil, then the circulating pump is started to drive the heat conducting oil to flow in the heating covers on the heating components, the heat conducting oil is contacted with the pipe wall, so that oil liquid in the pipeline is heated, crude oil in the oil pipe can be heated, the flowability of the crude oil of the combined device is ensured, the effectiveness of oil transportation is improved, the problem that the prior method for additionally arranging an electric heating belt on the pipeline to keep the flowability of the crude oil entering a single pipe device is solved, the transported crude oil is not solidified in the pipeline due to low temperature, and the method is unsafe, large power consumption, fast aging and no theft prevention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of an exploded structure of the present invention;

FIG. 3 is an exploded view of a heating assembly in an embodiment of the present invention;

FIG. 4 is a schematic view of a connection structure of an oil drum and a circulation pump in an embodiment of the present invention;

FIG. 5 is a vertical sectional view of a connecting pipe in the embodiment of the present invention.

In the figure: 1. a wellhead assembly; 2. a heating assembly; 21. a heating mantle; 211. a guide cylinder; 22. a thermal insulation sleeve; 23. an oil cylinder; 231. a filling pipe; 24. a heating rod; 25. a circulation pump; 26. connecting pipes; 261. a flow guide cavity; 262. a heat preservation cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a wellhead flow combination device, which comprises a wellhead device 1, and further comprises a plurality of heating assemblies 2, each heating assembly 2 comprises a heating cover 21, an oil cylinder 23 and a circulating pump 25, the heating cover 21 is sleeved on a pipeline of the wellhead device 1, the heating cover 21 is hermetically connected with the outer wall of the pipeline of the wellhead device 1, two sides of the adjacent upper and lower end faces of the heating covers 21 in the plurality of heating assemblies 2 are communicated through connecting pipes 26, one end of the oil cylinder 23 is connected with the circulating pump 25 through a pipeline, one end of the circulating pump 25 is communicated with the connecting pipe 26 on one side of the heating cover 21 through a pipeline, and the other end of the oil cylinder 23 is connected on the connecting pipe 26 on the other side of the heating cover 21 through a pipeline.

And then through when using this well head flow composite set, establish the sealed cover of heating mantle 21 on the heating element 2 during use and fix on well head device 1's pipeline, then communicate the heating mantle 21 both sides on a plurality of heating elements 2 through connecting pipe 26, then add the conduction oil in oil cylinder 23, then start heating rod 24 and heat the conduction oil, then start circulating pump 25, it flows in the heating mantle 21 on a plurality of heating elements 2 to drive the conduction oil, the conduction oil contacts with the pipe wall, thereby heat the inside fluid of pipeline, thereby can heat the crude oil in the oil pipe, guarantee the mobility of composite set crude oil, improve the validity of oil transportation.

Referring to fig. 3, a filling pipe 231 is vertically connected to one side of the top surface of the oil cylinder 23 in a penetrating manner, a stopper is disposed in the filling pipe 231, and a plurality of heating rods 24 are uniformly and horizontally disposed in the oil cylinder 23.

And then be connected with filler pipe 231 through the vertical through connection of top surface one side of oil cylinder 23, be provided with the chock in the filler pipe 231, the english is annotated the conduction oil, and the even level in the inside of oil cylinder 23 is provided with many heating rods 24 for heating fluid carries out the heat conduction transmission.

Referring to fig. 3, the heating cover 21 has guide tubes 211 vertically penetrating both sides of the upper and lower end surfaces thereof, and the ends of the guide tubes 211 are communicated with the connecting pipe 26.

And then the both sides through the upper and lower both ends face of heating mantle 21 are all vertical through connection to have a guide 211, make things convenient for circulation to lead and send fluid to loop through a plurality of heating mantles 21, the tip and the connecting pipe 26 intercommunication of guide 211 to make things convenient for the later stage to lead and send fluid.

Referring to fig. 3, the outer end faces of the heating covers 21 are all sleeved with heat insulating sleeves 22, and the heat insulating sleeves 22 are made of rubber materials.

And then all overlap on the outer terminal surface through heating mantle 21 and be equipped with insulation cover 22, insulation cover 22 adopts the rubber material to make to the heat of isolated fluid scatters and disappears through heating mantle 21 outer wall, improves heat utilization efficiency.

Referring to fig. 5, a flow guiding cavity 261 is disposed at the center of the connecting pipe 26, and a hollow heat preservation cavity 262 is disposed on the pipe wall of the connecting pipe 26.

Furthermore, a flow guide cavity 261 is formed in the center of the connecting pipe 26, a hollow heat preservation cavity 262 is formed in the pipe wall of the connecting pipe 26, and the cavity arrangement of the hollow heat preservation cavity 262 is beneficial to reducing heat loss caused by heat exchange inside and outside the pipe wall.

Referring to fig. 5, the insulating cavity 262 of the connecting tube 26 is filled with insulating cotton.

And then fill in the heat preservation chamber 262 through connecting pipe 26 and have kept warm cotton, the cotton 3 that keeps warm is favorable to isolated heat, improves the heat preservation effect to fluid.

The working principle is as follows: when using this well head flow composite set, establish the sealed cover of heating mantle 21 on the heating element 2 during use and fix on well head device 1's pipeline, then through connecting pipe 26 with the 21 both sides intercommunication of heating mantle on a plurality of heating elements 2, then add the conduction oil in oil cylinder 23, then start heating rod 24 and heat the conduction oil, then start circulating pump 25, it flows in the heating mantle 21 on a plurality of heating elements 2 to drive the conduction oil, the conduction oil contacts with the pipe wall, thereby heat the fluid of pipeline inside.

The device obtained by the design can basically meet the requirements of using a wellhead flow combined device which can heat crude oil in an oil pipe, ensure the flowability of the crude oil of the combined device and improve the effectiveness of oil transportation, but a designer further improves the device according to the aim of further improving the functions of the device.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wellhead flow combination device comprises a wellhead device (1), and is characterized in that: still include a plurality of heating element (2), heating element (2) are including heating mantle (21), an oil section of thick bamboo (23) and circulating pump (25), heating mantle (21) cover is established on the pipeline of wellhead assembly (1), heating mantle (21) with the pipeline outer wall sealing connection of wellhead assembly (1), the both sides of the adjacent upper and lower both ends face of heating mantle (21) in a plurality of heating element (2) all communicate through connecting pipe (26), there is circulating pump (25) one end of an oil section of thick bamboo (23) through the pipe connection, the one end of circulating pump (25) pass through the pipeline with one side connecting pipe (26) intercommunication on heating mantle (21), the other end of an oil section of thick bamboo (23) passes through the pipe connection on opposite side connecting pipe (26) on heating mantle (21).

2. A wellhead flow combination device according to claim 1, characterized in that a filling pipe (231) is vertically connected to one side of the top surface of the oil cylinder (23) in a penetrating manner, a chock is arranged in the filling pipe (231), and a plurality of heating rods (24) are uniformly and horizontally arranged in the oil cylinder (23).

3. A wellhead flow combined device according to claim 1, characterized in that guide cylinders (211) are vertically connected through both sides of the upper and lower end faces of the heating cover (21), and the end parts of the guide cylinders (211) are communicated with the connecting pipe (26).

4. A wellhead flow combined device according to claim 3, characterized in that the outer end faces of the heating covers (21) are all sleeved with heat insulating sleeves (22), and the heat insulating sleeves (22) are made of rubber materials.

5. A wellhead flow path combined device according to claim 1, characterized in that a flow guiding cavity (261) is opened at the center of the connecting pipe (26), and a hollow heat preservation cavity (262) is opened on the pipe wall of the connecting pipe (26).

6. A wellhead flow assembly as claimed in claim 5, in which the insulating chamber (262) of the connector (26) is filled with insulating wool.