CN206016781U - A kind of Multi-stage plunger airlift unit - Google Patents
A kind of Multi-stage plunger airlift unit Download PDFInfo
- Publication number
- CN206016781U CN206016781U CN201620707293.1U CN201620707293U CN206016781U CN 206016781 U CN206016781 U CN 206016781U CN 201620707293 U CN201620707293 U CN 201620707293U CN 206016781 U CN206016781 U CN 206016781U
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- CN
- China
- Prior art keywords
- plunger
- cylinder
- fastener
- stage
- gaslift
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Abstract
The utility model discloses a kind of Multi-stage plunger airlift unit, including：Catch cylinder, the first fastener, the first plunger and multiple gaslift units, catch cylinder to connect with the top of pit shaft, first fastener, the first plunger and multiple gaslift units may be contained within pit shaft and the first fastener, the first plunger and multiple gaslift units are arranged in order from the bottom to top, and each gaslift unit includes：Second fastener and the second plunger, the second fastener are located at the lower section of the second plunger, and the bottom of the second fastener is provided with the first declutcher control lever, and the beneficial effects of the utility model are：By in the form of Multi-stage plunger, exist on the combined string of reducing so as to plunger lift discharge opeing production technology is applied to production string in pit shaft, and plunger adopts split type plunger, so as to reduce the part in pit shaft, the stability of system operation is improved, while the operational efficiency of the equipment of raising.
Description
Technical field
This utility model is related to gas field production technology and production equipment field, more particularly to a kind of Multi-stage plunger gaslift dress
Put.
Background technology
On stream, as stratum permeability can be poor, gas well generally needs through sand fracturing etc. fine and close oil gas field
Technological measure is transformed, just can put into production, in order to ensure to construct in transformation process smoothly, often adopts major diameter tubing string conduct
Transformation passage, the tubing string in pay interval can be adopted because considering later stage discharge opeing etc. to require and accordingly compare rational caliber.Therewith
After gas well is gone into operation, the production time extends, and can progressively occur hydrops in pit shaft, and production starts to be affected by hydrops, needs to take rationally
Technology excluding in time, to safeguard that the normal table of gas well is produced.Plunger lift technique is simple because of Technology, equipment
Maintenance cost is low, and will not produce contingency question in application process, and has obtained a certain degree of promoting the use of.But it is traditional
Plunger lift technique, needs to utilize ground control system, realizes continuing for system by periodically arresting or discharging plunger
Operation, and the plunger apparent size as operation critical component cannot change, therefore cannot be in the flow string for having caliber to change
Middle operation, this result in plunger technique and cannot apply on well collaborated by compound tube always.
Utility model content
This utility model provides a kind of Multi-stage plunger airlift unit, its objective is, using the improvement to ram device, to lead to
Cross in the form of Multi-stage plunger so that on the premise of plunger lift technological principle is not changed, area is lifted by classifying rationally
Domain and device configuration, realize even running of the plunger in reducer pipe string, so as to realize the plunger lift discharge opeing of reducer pipe.
For achieving the above object, this utility model is adopted the following technical scheme that：
A kind of Multi-stage plunger airlift unit, including：Cylinder, the first fastener, the first plunger and multiple gaslift units is caught, is caught
Catch cylinder to connect with the top of pit shaft, the first fastener, the first plunger and multiple gaslift units are may be contained within pit shaft and the first card
Determine device, the first plunger and multiple gaslift units to be arranged in order from the bottom to top, each gaslift unit includes：Second fastener and
Two plungers, the second fastener are located at the lower section of the second plunger, and the bottom of the second fastener is provided with the first declutcher control lever.
Further, multiple gaslift units are placed equidistant in pit shaft.
Further, the first plunger and each second plunger include：Plunger barrel and multiple spacer blocks, multiple spacer blocks set
It is placed in plunger barrel and multiple spacer blocks is arranged in order along the axis direction of plunger barrel, each spacer block can be around the axle of plunger barrel
There is gap between line rotation and the adjacent spacer block of each two, be provided with plunger barrel along the logical of plunger barrel axis direction insertion
Road.
Further, catching cylinder includes：Cylinder, buffer spring, packing ring and the second declutcher control lever, the top seal of cylinder, cylinder
The bottom of body is had opening and is connected with pit shaft, is provided with circular step in cylinder, and packing ring is with circular step away from cylinder body bottom
Side fits, and buffer spring is arranged in cylinder, fits at the top of one end of buffer spring and cylinder, buffer spring another
One end is fitted with packing ring, the second declutcher control lever and packing ring detachable connection.
Further, catching cylinder also includes：The bottom detachable connection of bailer grab, bailer grab and cylinder, bailer grab are used
The second plunger of the top is located in crawl pit shaft.
Further, circular step is integrally formed with cylinder.
Further, the quantity of spacer block is two or three.
Further, the first plunger and each second plunger are made by alloy material.
This utility model provides a kind of Multi-stage plunger airlift unit, and its advantage is：By adopting Multi-stage plunger
Form, exist on the combined string of reducing so as to plunger lift discharge opeing production technology is applied to production string in pit shaft, and
Plunger adopts split type plunger, so as to reduce the part in pit shaft, improves the stability of system operation, while improve setting
Standby operational efficiency, the second fastener after improvement can bear the impact of both direction up and down, it is ensured that upper one
The separation of level plunger, while can guarantee that the smooth falling of upper level plunger.
Description of the drawings
A kind of structural representation of Multi-stage plunger airlift unit that Fig. 1 is provided for this utility model；
A kind of structural representation of the second plunger of Multi-stage plunger airlift unit that Fig. 2 is provided for this utility model；
A kind of structural representation of the seizure cylinder of Multi-stage plunger airlift unit that Fig. 3 is provided for this utility model；
In figure：1st, pit shaft；2nd, cylinder is caught；3rd, the first fastener；4th, the first plunger；5th, gaslift unit；6th, the first declutcher control lever；
51st, the second fastener；52nd, the second plunger；41st, plunger barrel；42nd, spacer block；21st, cylinder；22nd, buffer spring；23rd, packing ring；24、
Second declutcher control lever；25th, bailer grab.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Embodiment in based on this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
As shown in figure 1, this utility model provides a kind of Multi-stage plunger airlift unit, including：Catch cylinder 2, first locking
Device 3, the first plunger 4 and multiple gaslift units 5, are caught cylinder 2 and are connected with the top of pit shaft 1, the first fastener 3,4 and of the first plunger
Multiple gaslift units 5 may be contained within pit shaft 1 and the first fastener 3, the first plunger 4 and multiple gaslift units 5 from the bottom to top according to
Secondary arrangement, each gaslift unit 5 include：Second fastener 51 and the second plunger 52, the second fastener 51 are located at the second plunger
52 lower section, the bottom of the second fastener 51 are provided with the first declutcher control lever 6, by the form of Multi-stage plunger, so as to by plunger
Gas lift liquid drainage production technology is applied to production string in pit shaft 1 to be present on the combined string of reducing, and plunger adopts split type post
Plug, so as to reduce the part in pit shaft 1, improves the stability of system operation, while the operational efficiency of the equipment of raising, changes
The second fastener 51 after entering can bear the impact of both direction up and down, it is ensured that the separation of upper level plunger,
The smooth falling of upper level plunger can guarantee that simultaneously.
In a kind of preferably embodiment, multiple gaslift units 5 are placed equidistant in pit shaft 1, by the row of said structure
Row form so that can be determined by the size of corresponding target phase tubing string per one-level plunger size, it is also possible to each target phase
It is considered as an independent plunger operation architecture.
In a kind of preferably embodiment, as shown in Fig. 2 the first plunger 4 and the second plunger 52 can be identical structure,
First plunger 4 and each second plunger 52 include：Plunger barrel 41 and multiple spacer blocks 42, multiple spacer blocks 42 are arranged at plunger
41 interior and multiple spacer blocks 42 of cylinder are arranged in order along the axis direction of plunger barrel 41, and each spacer block 42 can be around plunger barrel 41
There is between axis rotation and the adjacent spacer block 42 of each two gap, be provided with plunger barrel 41 and pass through along 41 axis direction of plunger barrel
Logical passage, each spacer block 42 are arranged in plunger barrel 41 and can be adjusted to arbitrarily angled by rotation, strengthen first
Plunger 4 and the sealing effectiveness of each the second plunger 52, meanwhile, can be provided with the bottom of plunger barrel 41 and drag for ball pawl, drag for ball pawl use
In salvaging sealed steel ball.
In a kind of preferably embodiment, as shown in figure 3, catch cylinder 2 including：Cylinder 21, buffer spring 22,23 and of packing ring
Second declutcher control lever 24, the top seal of cylinder 21, the bottom of cylinder 21 are had opening and are connected with pit shaft 1, are provided with cylinder 21
Circular step, packing ring 23 are fitted away from the side of 21 bottom of cylinder with circular step, and buffer spring 22 is arranged in cylinder 21,
One end of buffer spring 22 is fitted with the top of cylinder 21, and the other end of buffer spring 22 is fitted with packing ring 23, second point
From bar 24 and 23 detachable connection of packing ring, when the second plunger 52 for being located at the top runs to ground, inside plunger barrel 41
The second declutcher control lever 24 must assure that, each part that separates can just hurtle down
To the position of the second corresponding fastener 51, next lifting process after reconfiguring, is entered.
In a kind of preferably embodiment, catching cylinder 2 also includes：The bottom of bailer grab 25, bailer grab 25 and cylinder 21 can
It is detachably connected with, bailer grab 25 is used for capturing the second plunger 52 for being located at the top in pit shaft 1, in order to realize being pointed to most
The salvaging function of the second plunger 52 of top, to catch and devise bailer grab 25 on cylinder 2, when carrying out fishing, only need to be by second
Declutcher control lever 24 is replaced by bailer grab 25, after operation a cycle, you can the second plunger 52 for being located at the top is caught and protected
Hold and catching in cylinder 2.
In a kind of preferably embodiment, circular step is integrally formed with cylinder 21, and such structure is easy to make.
In a kind of preferably embodiment, the quantity of spacer block 42 is two or three, typically in normal work, can be with
From the plunger with three spacer blocks 42, so as to strengthen the sealing effectiveness of plunger, when salvage is carried out, tool can be selected
There is the plunger of two spacer blocks 42.
In a kind of preferably embodiment, the first plunger 4 and each second plunger 52 are made by alloy material, alloy material
Material anti-wear performance is preferable, so as to improve the service life of the first plunger 4 and each the second plunger 52.
Installation steps of the present utility model are：
When the 1st, carrying out system equipment installation, according to the plunger target phase of design, corresponding first fastener 3, buffering is selected
First fastener 3, using the steel wire operation of well testing truck, is placed on desired depth, then puts into buffering by spring 22 and the first plunger 4
Spring 22 and the first plunger 4, complete the installation of one-level plunger.
2nd, according to gas well inner tube string structure, the installment work of ram devices at different levels from bottom to top is sequentially completed.
3rd, ground is installed and catches cylinder 2, complete the installment work of Multi-stage plunger system, drive a well according to normal opening well and making production program
Can resume production.
The step of regular maintenance of the present utility model is：
1st, each part of Multi-stage plunger gas lift system adopts non-maintaining design, in daily production process, if equipment just runs
Often, gas well liquid loading is smoothly stable, then each part need not be checked.
2nd, the abrasion condition of underground component is if desired checked, ground need to be removed first and caught cylinder 2, in cylinder 2 the will be caught
Two declutcher control levers 24 are replaced by bailer grab 25, take out the second plunger 52 for being located at the top using bailer grab 25, using dragging for goalpost
The sealed steel ball in pit shaft 1 salvaged by plug, recycles steel wire operation to take out the second fastener 51 of this grade of plunger, locking by second
The first declutcher control lever 6 on device 51 is replaced by bailer grab 25, takes out plunger barrel 41 and sealed steel ball respectively, the taking-up of parts at different levels according to
Secondary carry out.
This utility model can greatly ground-to-ground face control system be simplified, and eliminates the control of conventional plunger gaslift
Panel, as long as the pressure of gas well, yield meet promotes plunger operation needs, plungers at different levels are automatically starting, without the need for manually doing
In advance so that the operational efficiency of whole plunger system is greatly improved, while also reducing artificial control difficulty, it is to avoid basis at any time
Pressure change of production adjusts the task of interval so that control and maintenance workload are substantially reduced.
The above, preferred embodiment only of the present utility model is not in order to limit this utility model, every according to this
Any trickle amendment, equivalent and improvement that the technical spirit of utility model is made to above example, should be included in this
Within the protection domain of utility model technical scheme.
Claims (8)
1. a kind of Multi-stage plunger airlift unit, it is characterised in that include：Catch cylinder, the first fastener, the first plunger and multiple gas
Unit is lifted, the seizure cylinder is connected with the top of pit shaft, first fastener, first plunger and the plurality of gaslift list
Unit is may be contained within pit shaft and first fastener, first plunger and the plurality of gaslift unit are arranged from the bottom to top successively
Row, each described gaslift unit include：Second fastener and the second plunger, second fastener are located at second plunger
Lower section, the bottom of second fastener is provided with the first declutcher control lever.
2. a kind of Multi-stage plunger airlift unit according to claim 1, it is characterised in that the plurality of gaslift unit is in well
It is placed equidistant in cylinder.
3. a kind of Multi-stage plunger airlift unit according to claim 1, it is characterised in that first plunger and each institute
Stating the second plunger includes：Plunger barrel and multiple spacer blocks, the plurality of spacer block are arranged in the plunger barrel and described many
Individual spacer block is arranged in order along the axis direction of the plunger barrel, and each described spacer block can be revolved around the axis of the plunger barrel
Turn and the adjacent spacer block of each two between have gap, be provided with the plunger barrel and pass through along the plunger barrel axis direction
Logical passage.
4. a kind of Multi-stage plunger airlift unit according to claim 1, it is characterised in that the seizure cylinder includes：Cylinder,
Buffer spring, packing ring and the second declutcher control lever, the top seal of the cylinder, the bottom of the cylinder are had opening and are connected with pit shaft
Logical, circular step is provided with the cylinder, the packing ring is fitted away from the side of the cylinder body bottom with the circular step,
The buffer spring is arranged in the cylinder, is fitted at the top of one end of the buffer spring and the cylinder, described slow
The other end and the packing ring for rushing spring fits, second declutcher control lever and the packing ring detachable connection.
5. a kind of Multi-stage plunger airlift unit according to claim 4, it is characterised in that the seizure cylinder also includes：Beat
Drag for pawl, the bottom detachable connection of the bailer grab and the cylinder, the bailer grab are used for capturing in pit shaft and are located at most
Second plunger of side.
6. a kind of Multi-stage plunger airlift unit according to claim 4, it is characterised in that the circular step and the cylinder
Body by integral forming.
7. a kind of Multi-stage plunger airlift unit according to claim 3, it is characterised in that the quantity of the spacer block is two
Individual or three.
8. a kind of Multi-stage plunger airlift unit according to claim 1, it is characterised in that first plunger and each institute
State the second plunger to be made by alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620707293.1U CN206016781U (en) | 2016-07-06 | 2016-07-06 | A kind of Multi-stage plunger airlift unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620707293.1U CN206016781U (en) | 2016-07-06 | 2016-07-06 | A kind of Multi-stage plunger airlift unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206016781U true CN206016781U (en) | 2017-03-15 |
Family
ID=58244477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620707293.1U Expired - Fee Related CN206016781U (en) | 2016-07-06 | 2016-07-06 | A kind of Multi-stage plunger airlift unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206016781U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184624A (en) * | 2018-11-13 | 2019-01-11 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | A kind of continuous lift ram mining device of responding curve of well formula and construction method |
| CN109538145A (en) * | 2019-01-08 | 2019-03-29 | 成都百胜野牛科技有限公司 | Plunger catcher |
| WO2022052963A1 (en) * | 2020-09-10 | 2022-03-17 | 贺信 | Multi-plunger cooperative gas-lift liquid drainage system and liquid drainage method |
-
2016
- 2016-07-06 CN CN201620707293.1U patent/CN206016781U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184624A (en) * | 2018-11-13 | 2019-01-11 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | A kind of continuous lift ram mining device of responding curve of well formula and construction method |
| CN109184624B (en) * | 2018-11-13 | 2024-01-26 | 中国石油化工股份有限公司 | Well-closing-free type continuous lifting plunger drainage and extraction device and construction method |
| CN109538145A (en) * | 2019-01-08 | 2019-03-29 | 成都百胜野牛科技有限公司 | Plunger catcher |
| WO2022052963A1 (en) * | 2020-09-10 | 2022-03-17 | 贺信 | Multi-plunger cooperative gas-lift liquid drainage system and liquid drainage method |
| US12006929B2 (en) | 2020-09-10 | 2024-06-11 | Sichuan Haichelifu Oil And Gas Engineering Technology Service Co., Ltd | Multi-plunger coordinated gas lift liquid drainage system and liquid drainage method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20210706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |