CN208473786U - Paraffin removal valve pressure relief device, paraffin removal valve and Christmas tree - Google Patents

Paraffin removal valve pressure relief device, paraffin removal valve and Christmas tree Download PDF

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Publication number
CN208473786U
CN208473786U CN201820845671.1U CN201820845671U CN208473786U CN 208473786 U CN208473786 U CN 208473786U CN 201820845671 U CN201820845671 U CN 201820845671U CN 208473786 U CN208473786 U CN 208473786U
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China
Prior art keywords
pressure
wax removal
removal valve
valve
guiding pipe
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Active
Application number
CN201820845671.1U
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Chinese (zh)
Inventor
姜许健
昌伦杰
刘勇
陈文�
王光辉
孙红海
刘敏
袁晓满
吴国磊
史自民
张雨
曹鹏
张涛
谷雨
曾文波
程为红
赵兴华
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Petrochina Co Ltd
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Petrochina Co Ltd
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Priority to CN201820845671.1U priority Critical patent/CN208473786U/en
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Publication of CN208473786U publication Critical patent/CN208473786U/en
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Abstract

The utility model provides a paraffin removal valve pressure relief device, paraffin removal valve and production tree can dismantle through the first end with the plug and the exit end of paraffin removal valve and be connected, is equipped with the pressure release passageway in the inside of plug, and the pressure release passageway links to each other with the first end of drawing the pipe, draws to be equipped with the relief valve on the pipe. Before wax removal equipment is installed, high pressure in the wax removal valve can be released by opening the pressure release valve on the pressure guiding pipe, so that the potential safety hazard when the plug above the wax removal valve is detached is reduced.

Description

Wax removal valve pressure relief device, wax removal valve and production tree
Technical field
The utility model relates to technical field of petroleum extraction more particularly to a kind of wax removal valve pressure relief devices, wax removal valve And production tree.
Background technique
In process of oil production, wax in petroleum is at branch as petroleum is extracted from stratum.It is lifted by petroleum It is deep to during well head, the reduction and lighter hydrocarbons evolution, the wax being dissolved in crude oil due to temperature, pressure can be analysed with crystal form It out and is adsorbed on tube inner wall, or even can all form the deposition of wax at oil reservoir position, must take certain measure will at this time The wax of deposition is disposed to guarantee being normally carried out for production.
In the prior art, the wax being adsorbed on oil production equipment, concrete operation method are removed frequently with the method for mechanical paraffin removal First to close the wax removal valve on production tree, then dismantling the plug above wax removal valve, install wax removal lubricator and machinery is clear Wax equipment enters the paraffin scraper of mechanical paraffin removal equipment in oil pipe to carry out wax removal by production tree.
But pressure when due to production in production tree is higher, even if wax removal valve is closed between late gate and plug Or there can be higher pressure, dismantling plug at this time, there are biggish security risks.
Utility model content
In order to overcome the drawbacks described above under the prior art, the purpose of this utility model is to provide a kind of wax removal valve pressure releases Device, wax removal valve and production tree can be installed using the wax removal valve pressure relief device of the utility model in mechanical paraffin removal equipment The preceding high pressure by wax removal valve discharges, and reduces security risk when disassembly plug.
The utility model provides a kind of wax removal valve pressure relief device, including silk plug, the first end and paraffin valve of the silk plug The outlet end of door is detachably connected, and the inside of the silk plug is equipped with pressure release passage, the first end of the pressure release passage and pressure guiding pipe It is connected, the pressure guiding pipe is equipped with relief valve.
Wax removal valve pressure relief device as described above, optionally, the first end of the pressure guiding pipe and the pressure release passage are logical The first pipe fitting is crossed detachably to be connected.
Wax removal valve pressure relief device as described above, optionally, the first end of the silk plug is connected with first flange disk, institute The outlet end for stating wax removal valve is connected with second flange disk, and the outlet end of the silk plug and the wax removal valve passes through described first Ring flange and second flange disk realize flanged joint.
Wax removal valve pressure relief device as described above further includes optionally pressure gauge, and the pressure gauge setting is drawn described In pressure pipe.
Wax removal valve pressure relief device as described above, optionally, the pressure gauge passes through pressure pipeline and the pressure guiding pipe It is connected, the pressure pipeline is equipped with pressure gauge cock.
Wax removal valve pressure relief device as described above, optionally, the second end of the pressure guiding pipe are equipped with external screw thread, described to draw The second end of pressure pipe is rubber tube for connecting relief tube, the relief tube.
Wax removal valve pressure relief device as described above, optionally, the second end of the pressure guiding pipe is connected with collecting pipe, described The second pipe fitting is equipped between the second end of pressure guiding pipe and the collecting pipe, the collecting pipe is metal tube.
Wax removal valve pressure relief device as described above is optionally equipped with collecting vessel below the outlet end of the collecting pipe.
The utility model also provides a kind of wax removal valve, and the outlet end of the wax removal valve is equipped with as above any described clear Wax valve pressure relief device.
The utility model also provides a kind of production tree, including wax removal valve as described above.
Wax removal valve pressure relief device, wax removal valve and production tree provided by the utility model, by by the first end of silk plug Be detachably connected with the outlet end of wax removal valve, the inside of silk plug be equipped with pressure release passage, the first of pressure release passage and pressure guiding pipe End is connected, and pressure guiding pipe is equipped with relief valve.Before carrying out paraffin removal unit installation, can by open pressure guiding pipe on relief valve with By the high pressure release in wax removal valve, thus security risk when reducing plug above disassembly wax removal valve.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts, It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structure diagram for the wax removal valve pressure relief device that an embodiment of the present invention provides;
Fig. 2 is the structure diagram for the wax removal valve pressure relief device that another embodiment of the utility model provides;
Fig. 3 is the structure diagram for the wax removal valve pressure relief device that the utility model another embodiment provides;
Fig. 4 is the structure diagram for the wax removal valve pressure relief device that another embodiment of the utility model provides;
Fig. 5 is the structure diagram for the wax removal valve pressure relief device that another embodiment of the utility model provides;
Fig. 6 is the structure diagram for the wax removal valve pressure relief device that another embodiment of the utility model provides.
Appended drawing reference:
100- silk plug;110- first flange disk;
200- pressure guiding pipe;The first pipe fitting of 210-;
220- external screw thread;The second pipe fitting of 230-;
300- relief valve;400- pressure gauge;
410- pressure pipeline;420- pressure gauge cock;
500- collecting pipe.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.
Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.In the absence of conflict, following implementation Feature in example and embodiment can be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be It is connected directly, the mutual of connection inside two elements or two elements can also be can be indirectly connected through an intermediary Interactively.For the ordinary skill in the art, it can understand that above-mentioned term is practical new at this as the case may be Concrete meaning in type.
It should be noted that term " first ", " second " are only used for facilitating description different in the description of the present invention, Component, be not understood to indicate or imply ordinal relation, relative importance or implicitly indicate indicated technical characteristic Quantity." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one of the features.
In process of oil production, wax in petroleum is at branch as petroleum is extracted from stratum.It is lifted by petroleum It is deep to during well head, the reduction and lighter hydrocarbons evolution, the wax being dissolved in crude oil due to temperature, pressure can be analysed with crystal form It out and is adsorbed on tube inner wall, or even can all form the deposition of wax at oil reservoir position, must take certain measure will at this time The wax of deposition is disposed to guarantee being normally carried out for production.
In the prior art, the wax being adsorbed on oil production equipment, concrete operation method are removed frequently with the method for mechanical paraffin removal First to close the wax removal valve on production tree, then dismantling the plug above wax removal valve, install wax removal lubricator and machinery is clear Wax equipment enters the paraffin scraper of mechanical paraffin removal equipment in oil pipe to carry out wax removal by production tree.
But pressure when due to production in production tree is higher, even if wax removal valve is closed between late gate and plug Or there can be higher pressure, dismantling plug at this time, there are biggish security risks.
In order to overcome the drawbacks described above under the prior art, the purpose of this utility model is to provide a kind of wax removal valve pressure releases Device, wax removal valve and production tree can be installed using the wax removal valve pressure relief device of the utility model in mechanical paraffin removal equipment The preceding high pressure by wax removal valve discharges, and reduces security risk when disassembly plug.
It is described below in conjunction with the detailed content to the utility model of attached drawing, so that those skilled in the art can The more detailed content for understanding the utility model.
Embodiment one
Fig. 1 is the structure diagram for the wax removal valve pressure relief device that an embodiment of the present invention provides;Please refer to Fig. 1.This Embodiment provides a kind of wax removal valve pressure relief device, including silk plug 100, the first end of silk plug 100 and the outlet end of wax removal valve It is detachably connected, the inside of silk plug 100 is equipped with pressure release passage, and pressure release passage is connected with the first end of pressure guiding pipe 200, pressure guiding pipe 200 are equipped with relief valve 300.
Specifically, the wax removal valve pressure relief device of the present embodiment is mounted on the side of wax removal valve, that is, it is mounted on paraffin valve Men Shangyu is switched on other either sides different with plug.Wax removal valve pressure relief device includes silk plug 100, and the of silk plug 100 One end and the outlet end of wax removal valve are detachably connected, and the detachable connection method between silk plug 100 and wax removal valve can be used It is threadedly coupled, specifically, external screw thread can be set on the outer surface of silk plug 100, the inner surface in the outlet end of wax removal valve Upper setting internal screw thread realizes being detachably connected between silk plug 100 and wax removal valve by the cooperation of the external screw thread and internal screw thread, Certainly, the detachable connection method that those skilled in the art can also select according to the actual situation other suitable, the present embodiment pair This is not further limited.
Connection wax removal valve internal and extraneous pressure release passage are equipped with inside the silk plug 100 of the present embodiment, pressure release passage is Cylindrical channel inside silk plug 100 is set.Pressure release passage is connect with the first end of pressure guiding pipe 200, specific connection type It can be using the modes such as threaded connection or welding.For the mode being threadedly coupled convenient for disassembly between the two, the present embodiment selection The two is connected, specifically, the outer diameter of pressure guiding pipe 200 can be made to be slightly less than the internal diameter of pressure release passage, so that pressure guiding pipe 200 is easier Into the inside of pressure release passage;External screw thread is set in the first end outer surface of pressure guiding pipe 200, in pressure release passage and pressure guiding pipe 200 Connecting pin be arranged internal screw thread, sealing ring can also be set when pressure guiding pipe 200 connect with pressure release passage, with sealing therebetween Issuable gap prevents the leakage of gas.
For convenient for discharging the pressure between wax removal valve and silk plug 100, the present embodiment is equipped with pressure release on pressure guiding pipe 200 Valve 300, when opening high pressure gas and liquid in paraffin valve door can be discharged relief valve 300 by pressure guiding pipe 200, to reduce The pressure of wax removal valve internal.Relief valve 300 can be needle-valve, and needle-valve has many advantages, such as cheap, and cost performance is high, certainly, The relief valve that those skilled in the art can also select as needed other more accurate, the present embodiment do not do further limit to this It is fixed.
Draw in production tree normal operation the side that the wax removal valve pressure relief device of the present embodiment is mounted on wax removal valve Relief valve 300 in pressure pipe 200 is in close state, and to prevent the pressure in production tree from leaking, guarantees the progress normally recovered the oil. When needing to carry out wax removal operation, first the relief valve 300 on pressure guiding pipe 200 can be opened, so that the interior high pressure of wax removal valve It is discharged by pressure guiding pipe 200, after the pressure release in wax removal valve, relief valve 300 can be closed, it then again will be clear Plug above wax valve disassembles, and paraffin removal unit is installed and carries out wax removal operation.
Wax removal valve pressure relief device provided in this embodiment is by by the outlet end of the first end of silk plug 100 and wax removal valve It is detachably connected, is equipped with pressure release passage in the inside of silk plug 100, pressure release passage is connected with the first end of pressure guiding pipe 200, pressure guiding pipe 200 are equipped with relief valve 300.Before carrying out paraffin removal unit installation, can by open pressure guiding pipe 200 on relief valve 300 with By the high pressure release in wax removal valve, thus security risk when reducing plug above disassembly wax removal valve.
Further, the first end of pressure guiding pipe 200 is detachably connected with pressure release passage by the first pipe fitting 210.
The structure of 200 second end of pressure guiding pipe can be configured according to the case where production scene in the present embodiment.The present embodiment It is to be configured for the operating area with hydrogen sulfide, the second end of pressure guiding pipe 200 is equipped with external screw thread in the present embodiment 220, for the second end of pressure guiding pipe 200 for connecting relief tube, relief tube is rubber tube.
Specifically, the relief tube of rubber material can be connected using the equipment such as clip and the second end of pressure guiding pipe 200 are fixed It connects, the outlet end of relief tube, to avoid operating personnel's poisoning, should improve the safety of operation far near production tree.
Fig. 2 is the structure diagram for the wax removal valve pressure relief device that another embodiment of the utility model provides;Referring to figure 2.. Further, the wax removal valve pressure relief device of the present embodiment further includes pressure gauge 400, and pressure gauge 400 is arranged in pressure guiding pipe 200 On.
Specifically, pressure gauge 400 may be mounted between relief valve 300 and plug 100, no matter gone back in this way in normal production The pressure in wax removal valve can be monitored when being pressure release by pressure gauge 400, whole pressure visualization is realized, further subtracts Small production risk.
Further, pressure gauge 400 is connected by pressure pipeline 410 with pressure guiding pipe 200, and pressure pipeline 410 is equipped with pressure Power table cock 420.Protection to pressure gauge 400 can be realized by pressure gauge cock 420, it can be with when rinsing pressure guiding pipe 200 Closing pressure pipeline 410 by pressure gauge cock 420 is not communicated with pressure gauge 400 with pressure guiding pipe 200, can prevent from rushing in this way Wash medium and enter pressure gauge 400, can effective protection pressure gauge 400 it is without damage.
Fig. 3 is the structure diagram for the wax removal valve pressure relief device that the utility model another embodiment provides;Referring to figure 3.. Further, in this embodiment the first end of silk plug 100 is connected with first flange disk 110, the outlet end of wax removal valve is connected with The outlet end of second flange disk, silk plug 100 and wax removal valve flanged joint is realized by first flange disk and second flange disk.Method Blue connection type can guarantee to be connected firmly, wherein the first end of first flange disk 110 and silk plug 100 can pass through the side of welding Formula connection.
Embodiment two
Fig. 4 is the structure diagram for the wax removal valve pressure relief device that another embodiment of the utility model provides;Referring to figure 4.. The present embodiment provides a kind of wax removal valve pressure relief device, including silk plug 100, the first end of silk plug 100 and the outlet of wax removal valve End is detachably connected, and the inside of silk plug 100 is equipped with pressure release passage, and pressure release passage is connected with the first end of pressure guiding pipe 200, pressure guiding pipe 200 are equipped with relief valve 300.
The first end of pressure guiding pipe 200 is detachably connected with pressure release passage by the first pipe fitting 210 in the present embodiment.Impulse The structure of 200 second end of pipe can be configured according to the case where production scene.The present embodiment is for not hydrogen sulfide containing operation What region was configured, the second end of pressure guiding pipe 200 is connected with collecting pipe 500, the second end of pressure guiding pipe 200 in the present embodiment The second pipe fitting 230 is equipped between collecting pipe 500, collecting pipe 500 is metal tube, is equipped with below the outlet end of collecting pipe 500 Collecting vessel.
Specifically, the wax removal valve pressure relief device of the present embodiment is mounted on the side of wax removal valve, that is, it is mounted on paraffin valve Men Shangyu is switched on other either sides different with plug.Wax removal valve pressure relief device includes silk plug 100, and the of silk plug 100 One end and the outlet end of wax removal valve are detachably connected, and the detachable connection method between silk plug 100 and wax removal valve can be used It is threadedly coupled, specifically, external screw thread can be set on the outer surface of silk plug 100, the inner surface in the outlet end of wax removal valve Upper setting internal screw thread realizes being detachably connected between silk plug 100 and wax removal valve by the cooperation of the external screw thread and internal screw thread, Certainly, the detachable connection method that those skilled in the art can also select according to the actual situation other suitable, the present embodiment pair This is not further limited.
Connection wax removal valve internal and extraneous pressure release passage are equipped with inside the silk plug 100 of the present embodiment, pressure release passage is Cylindrical channel inside silk plug 100 is set.Pressure release passage is connect with the first end of pressure guiding pipe 200, specific connection type It can be using the modes such as threaded connection or welding.For the mode being threadedly coupled convenient for disassembly between the two, the present embodiment selection The two is connected, specifically, the outer diameter of pressure guiding pipe 200 can be made to be slightly less than the internal diameter of pressure release passage, so that pressure guiding pipe 200 is easier Into the inside of pressure release passage;External screw thread is set in the first end outer surface of pressure guiding pipe 200, in pressure release passage and pressure guiding pipe 200 Connecting pin be arranged internal screw thread, sealing ring can also be set when pressure guiding pipe 200 connect with pressure release passage, with sealing therebetween Issuable gap prevents the leakage of gas.
For convenient for discharging the pressure between wax removal valve and silk plug 100, the present embodiment is equipped with pressure release on pressure guiding pipe 200 Valve 300, when opening high pressure gas and liquid in paraffin valve door can be discharged relief valve 300 by pressure guiding pipe 200, to reduce The pressure of wax removal valve internal.Relief valve 300 can be needle-valve, and needle-valve has many advantages, such as cheap, and cost performance is high, certainly, The relief valve that those skilled in the art can also select as needed other more accurate, the present embodiment do not do further limit to this It is fixed.
The shape of collecting pipe 500, which can according to need, to be configured, and bending section is arranged among collecting pipe 500 in the present embodiment The angle between entrance and exit to change collecting pipe 500, the angle of bending section is 90 degree in the present embodiment, so that collecting pipe 500 exit normal in ground, in this way can the lower section of collecting pipe 500 be arranged collecting vessel, the liquid component that will be discharged into Row is collected, and subsequent utilization is convenient for.
Draw in production tree normal operation the side that the wax removal valve pressure relief device of the present embodiment is mounted on wax removal valve Relief valve 300 in pressure pipe 200 is in close state, and to prevent the pressure in production tree from leaking, guarantees the progress normally recovered the oil. When needing to carry out wax removal operation, first the relief valve 300 on pressure guiding pipe 200 can be opened, so that the interior high pressure of wax removal valve It is discharged by pressure guiding pipe 200, after the pressure release in wax removal valve, relief valve 300 can be closed, it then again will be clear Plug above wax valve disassembles, and paraffin removal unit is installed and carries out wax removal operation.
Wax removal valve pressure relief device provided in this embodiment is by by the outlet end of the first end of silk plug 100 and wax removal valve It is detachably connected, is equipped with pressure release passage in the inside of silk plug 100, pressure release passage is connected with the first end of pressure guiding pipe 200, pressure guiding pipe 200 are equipped with relief valve 300.Before carrying out paraffin removal unit installation, can by open pressure guiding pipe 200 on relief valve 300 with By the high pressure release in wax removal valve, thus security risk when reducing plug above disassembly wax removal valve.
Fig. 5 is the structure diagram for the wax removal valve pressure relief device that another embodiment of the utility model provides;Referring to figure 5.. Further, the wax removal valve pressure relief device of the present embodiment further includes pressure gauge 400, and pressure gauge 400 is arranged in pressure guiding pipe 200 On.
Specifically, pressure gauge 400 may be mounted between relief valve 300 and plug 100, no matter gone back in this way in normal production The pressure in wax removal valve can be monitored when being pressure release by pressure gauge 400, whole pressure visualization is realized, further subtracts Small production risk.
Further, pressure gauge 400 is connected by pressure pipeline 410 with pressure guiding pipe 200, and pressure pipeline 410 is equipped with pressure Power table cock 420.Protection to pressure gauge 400 can be realized by pressure gauge cock 420, it can be with when rinsing pressure guiding pipe 200 Closing pressure pipeline 410 by pressure gauge cock 420 is not communicated with pressure gauge 400 with pressure guiding pipe 200, can prevent from rushing in this way Wash medium and enter pressure gauge 400, can effective protection pressure gauge 400 it is without damage.
Fig. 6 is the structure diagram for the wax removal valve pressure relief device that another embodiment of the utility model provides;Please refer to Fig. 6. Further, in this embodiment the first end of silk plug 100 is connected with first flange disk 110, the outlet end of wax removal valve is connected with The outlet end of second flange disk, silk plug 100 and wax removal valve flanged joint is realized by first flange disk and second flange disk.Method Blue connection type can guarantee to be connected firmly, wherein the first end of first flange disk 110 and silk plug 100 can pass through the side of welding Formula connection.
Embodiment three
The present embodiment provides a kind of wax removal valve, the outlet end of wax removal valve is equipped with two institute of embodiment one as above or embodiment The wax removal valve pressure relief device stated.
Wax removal valve pressure relief device is installed on the outlet end of the wax removal valve one side of the present embodiment, it is normal in production tree When operation, the relief valve on pressure guiding pipe is in close state, to prevent the pressure in production tree from leaking, guarantee normally recover the oil into Row.When needing to carry out wax removal operation, first the relief valve on pressure guiding pipe can be opened, so that the interior high pressure of wax removal valve passes through Pressure guiding pipe release can close relief valve after the pressure release in wax removal valve, then again will be above wax removal valve Plug disassemble, by paraffin removal unit install carry out wax removal operation.
Wax removal valve provided in this embodiment, by detachably connecting the first end of silk plug and the outlet end of wax removal valve It connects, is equipped with pressure release passage in the inside of silk plug, pressure release passage is connected with the first end of pressure guiding pipe, and pressure guiding pipe is equipped with relief valve. Before carrying out paraffin removal unit installation, the high pressure in wax removal valve can be discharged by opening the relief valve on pressure guiding pipe, from And reduce security risk when dismantling plug above wax removal valve.
Example IV
The present embodiment provides a kind of production trees, including wax removal valve described in embodiment three as above.
The production tree of the present embodiment which is provided with wax removal valve, be equipped with paraffin valve on the outlet end of wax removal valve side Door pressure relief device, in production tree normal operation, the relief valve on pressure guiding pipe is in close state, to prevent the pressure in production tree Power leaks, and guarantees the progress normally recovered the oil.When needing to carry out wax removal operation, first the relief valve on pressure guiding pipe can be opened, So that the interior high pressure of wax removal valve is discharged by pressure guiding pipe, it, can be by relief valve after the pressure release in wax removal valve It closes, then again disassembles the plug above wax removal valve, paraffin removal unit is installed and carries out wax removal operation.
Production tree provided in this embodiment, by the way that the first end of silk plug and the outlet end of wax removal valve are detachably connected, It is equipped with pressure release passage in the inside of silk plug, pressure release passage is connected with the first end of pressure guiding pipe, and pressure guiding pipe is equipped with relief valve.Into Before the installation of row paraffin removal unit, the high pressure in wax removal valve can be discharged by opening the relief valve on pressure guiding pipe, to drop Security risk above low disassembly wax removal valve when plug.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of wax removal valve pressure relief device, which is characterized in that including silk plug, the first end of the silk plug and going out for wax removal valve Mouth end is detachably connected, and the inside of the silk plug is equipped with pressure release passage, and the pressure release passage is connected with the first end of pressure guiding pipe, institute Pressure guiding pipe is stated equipped with relief valve.
2. wax removal valve pressure relief device according to claim 1, which is characterized in that the first end of the pressure guiding pipe with it is described Pressure release passage is detachably connected by the first pipe fitting.
3. wax removal valve pressure relief device according to claim 1, which is characterized in that the first end of the silk plug is connected with One ring flange, the outlet end of the wax removal valve are connected with second flange disk, the outlet end of the silk plug and the wax removal valve Flanged joint is realized by the first flange disk and second flange disk.
4. wax removal valve pressure relief device according to claim 1 to 3, which is characterized in that it further include pressure gauge, institute Pressure gauge is stated to be arranged on the pressure guiding pipe.
5. wax removal valve pressure relief device according to claim 4, which is characterized in that the pressure gauge by pressure pipeline with The pressure guiding pipe is connected, and the pressure pipeline is equipped with pressure gauge cock.
6. wax removal valve pressure relief device according to claim 5, which is characterized in that the second end of the pressure guiding pipe is equipped with outer Screw thread, the second end of the pressure guiding pipe are rubber tube for connecting relief tube, the relief tube.
7. wax removal valve pressure relief device according to claim 5, which is characterized in that the second end of the pressure guiding pipe is connected with Collecting pipe, is equipped with the second pipe fitting between the second end of the pressure guiding pipe and the collecting pipe, the collecting pipe is metal tube.
8. wax removal valve pressure relief device according to claim 7, which is characterized in that set below the outlet end of the collecting pipe There is collecting vessel.
9. a kind of wax removal valve, which is characterized in that the outlet end of the wax removal valve is equipped with as described in any in claim 1-8 Wax removal valve pressure relief device.
10. a kind of production tree, which is characterized in that including wax removal valve as claimed in claim 9.
CN201820845671.1U 2018-06-01 2018-06-01 Paraffin removal valve pressure relief device, paraffin removal valve and Christmas tree Active CN208473786U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820845671.1U CN208473786U (en) 2018-06-01 2018-06-01 Paraffin removal valve pressure relief device, paraffin removal valve and Christmas tree

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820845671.1U CN208473786U (en) 2018-06-01 2018-06-01 Paraffin removal valve pressure relief device, paraffin removal valve and Christmas tree

Publications (1)

Publication Number Publication Date
CN208473786U true CN208473786U (en) 2019-02-05

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Application Number Title Priority Date Filing Date
CN201820845671.1U Active CN208473786U (en) 2018-06-01 2018-06-01 Paraffin removal valve pressure relief device, paraffin removal valve and Christmas tree

Country Status (1)

Country Link
CN (1) CN208473786U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113550697A (en) * 2020-04-23 2021-10-26 中国石油天然气股份有限公司 Channel expansion device for oil-gas well

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113550697A (en) * 2020-04-23 2021-10-26 中国石油天然气股份有限公司 Channel expansion device for oil-gas well

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