CN205841181U - Discharge opeing plunger and liquid discharging apparatus - Google Patents
Discharge opeing plunger and liquid discharging apparatus Download PDFInfo
- Publication number
- CN205841181U CN205841181U CN201620118430.8U CN201620118430U CN205841181U CN 205841181 U CN205841181 U CN 205841181U CN 201620118430 U CN201620118430 U CN 201620118430U CN 205841181 U CN205841181 U CN 205841181U
- Authority
- CN
- China
- Prior art keywords
- plunger
- discharge opeing
- slip cap
- connecting tube
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Lift Valve (AREA)
Abstract
This utility model relates to oil gas field and coal-bed gas exploitation field, particularly relating to a kind of discharge opeing plunger, including connecting tube, the outer diameter cylindrical surface cover of described connecting tube is equipped with slip cap black box, the lower end of described connecting tube is provided with lower contact, is provided with bypass valve between described connecting tube and described lower contact.This discharge opeing plunger improves discharge opeing effect, shortens the closed-in time, farthest improves yield, meets the oil-gas field development of low-voltage and low-yield and the discharge opeing needs of production simultaneously.This utility model additionally provides a kind of liquid discharging apparatus.
Description
Technical field
This utility model relates to oil gas field and coal-bed gas exploitation field, particularly relates to the discharge opeing post that a kind of discharge opeing is effective
Plug, this utility model further relates to a kind of liquid discharging apparatus with above-mentioned discharge opeing plunger.
Background technology
At present in the oil-gas field development of low-voltage and low-yield formation water output, when gas yield is relatively low or liquid is more, in shaft bottom
Form the hydrops of certain altitude and stop-spraying or stop producing, therefore, in oil recovery gas recovery, by the discharge opeing plunger in shaft bottom every
From gas and hydrops, when driving a well, utilize pit shaft self gas compression energy reserve or stratum energy, promote discharge opeing plunger and hydrops
Up, hydrops is discharged pit shaft, it is achieved produce continuously or discharge opeing.
Early stage discharge opeing plunger is during discharging hydrops, and between plunger and tube wall and plunger body gap is relatively big, sealing
Can be poor, thus reduce discharge opeing effect, for the well that many weak gushers or gas liquid ratio are relatively low, discharge opeing effect is poor maybe can not arrange
Liquid.
Therefore, how to improve the sealing property of discharge opeing plunger, improve discharge opeing effect, become those skilled in the art and urgently solve
Technical barrier certainly.
Utility model content
First purpose of the present utility model is to provide a kind of discharge opeing plunger, and this discharge opeing plunger has preferable sealing
, can improve discharge opeing effect.Second purpose of the present utility model is to provide a kind of liquid discharging apparatus with above-mentioned discharge opeing plunger.
In order to realize above-mentioned first purpose, this utility model provides a kind of discharge opeing plunger, including connecting tube, described company
The outer diameter cylindrical surface cover of adapter is equipped with slip cap black box, and the lower end of described connecting tube is provided with lower contact, described connecting tube with
Between described lower contact, bypass valve is installed.
Preferably, described slip cap is to be detained the cylindrical shroud formed, the cylindrical shroud of described many lobes T-shaped mutually by many lobes T-shaped
Single-lobe or many lobes radially produce quantitative displacement under external force.
Preferably, described slip cap black box include the respectively quantity fixed cover no less than, interior fixed cover, in circle
The slip cap of cylindricality, sealing shroud, the two ends up and down of described slip cap have and move radially fixing foot, described in move radially fixing foot
It is fixed on described interior fixed cover by fixed cover, between described slip cap and described interior fixed cover, is provided with sealing shroud.
Preferably, oriented inner convex platform in the interior circular groove of described slip cap, described to inner convex platform, described interior circular groove is divided into length
Interior circular groove and short interior circular groove, set resilient sealing shroud in circular groove in described length, described short interior circular groove is installed on described interior fixing
In the outer lug boss of set.
Preferably, the cross section of described sealing shroud is the elastic seal cartridge of circular or many prismatics.
Preferably, it is provided with sealing chamfering inside the lower surface of described connecting tube.
Preferably, described bypass valve includes bypassing valve rod, and the upper end of described bypass valve rod is sealing surface, and lower end is deflection cone
Body, this guiding cone is through in the through hole that described lower contact is axial, and the external cylindrical surface of described bypass valve rod is provided with ball locating slot
And positive stop lug boss, the relevant position of described lower contact is provided with installing hole, is provided with ball and elastic reset dress in described installing hole
Putting, described ball is against described elasticity reset device；The side of described lower contact is provided with by-pass prot.
Preferably, the sealing surface of described bypass valve rod upper end is for sealing sphere, plane or the conical surface.
Preferably, described elasticity reset device is spring, and described ball is steel ball.
Preferably, the lower end of described lower contact is provided with importing angle.
The work process of this discharge opeing plunger is: when plunger falls, in the middle of connecting tube, through hole i.e. by-pass prot is opened, under plunger
Line speed is fast, reduces the closed-in time to a certain extent, increases oil recovery gas production yield；Plunger falls after collision underground throttle device, other
Logical valve cuts out by-pass prot；When ground drives a well, under the effect of stratum energy, slip cap black box seals slip cap internal interstices
Passage, holds intrinsic pressure outer shifting, promotes slip cap to be close to tubing wall, and plunger seal oil conduit is up, promotes on plunger and upper end hydrops thereof
OK, discharge opeing process is completed；Plunger arrives well head, under being provided with well head plunger trip rod effect, opens bypass valve, and by-pass prot is protected
Hold opening, plunger fast downlink.
When discharge opeing plunger is up, under the effect of stratum energy, self-sealing, plunger body machine between plunger and tubing wall
Structure self-sealing, by-pass prot is closed and is sealed, improves discharge opeing effect, shorten the closed-in time, farthest improve yield, same
Time meet the oil-gas field development of low-voltage and low-yield and the discharge opeing needs of production.
In order to realize above-mentioned second purpose, this utility model application additionally provides a kind of liquid discharging apparatus, saves including down-hole
Stream device, well head plunger trip rod and above-mentioned discharge opeing plunger, owing to above-mentioned discharge opeing plunger has above-mentioned technique effect, include
Above-mentioned discharge opeing plunger also should have above-mentioned technique effect.
Accompanying drawing explanation
The accompanying drawing of the part comprising in the description and constituting description shows of the present utility model with description
Exemplary, feature and aspect, and be used for explaining principle of the present utility model.
The structural representation of the discharge opeing plunger that Fig. 1 provides for a kind of embodiment of this utility model；
Fig. 2 is the structural representation of underground throttle device；
Fig. 3 is the structural representation of well head plunger trip rod；
Fig. 4 is the structural representation that plunger strikes underground throttle device closes by-pass prot；
Fig. 5 position plunger strikes well head plunger trip rod opens the structural representation of by-pass prot；
Wherein, in Fig. 1-Fig. 5:
Bypass valve rod 1, locking ball 2, lower contact 3, lower fixed cover 4, lower sleeve gasket 5, lower slider set 6, middle fixed cover 7,
Upper slip cap 8, upper sleeve gasket 9, interior fixed cover 10, upper fixed cover 11, connecting tube 12, spring 13, fixed screw 14, lower slips
15, packing element 16, upper slips 17, underground throttle device main body 18, reducer impact head 19, well head plunger trip rod 20, well head plunger
Trip rod main body 21.
Detailed description of the invention
Various exemplary embodiments of the present utility model, feature and aspect is described in detail below with reference to accompanying drawing.In accompanying drawing
Identical reference represents the element that function is same or like.Although the various aspects of embodiment shown in the drawings,
But unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.
The most special word " exemplary " means " as example, embodiment or illustrative ".Here as " example
Property " illustrated by any embodiment should not necessarily be construed as being better than or be better than other embodiments.
It addition, in order to better illustrate this utility model, detailed description of the invention below give numerous concrete
Details.It will be appreciated by those skilled in the art that do not have some detail, this utility model is equally implemented.Real at some
In example, method well known to those skilled in the art, means, element and circuit are not described in detail, in order to highlight this reality
By novel purport.
Refer to the structural representation of the discharge opeing plunger that Fig. 1, Fig. 1 provide for a kind of embodiment of this utility model.
As it is shown in figure 1, the discharge opeing plunger that this utility model provides, including connecting tube 12, the external diameter circle of described connecting tube 12
Cylindrical jacket is equipped with slip cap black box, and the lower end of described connecting tube 12 is provided with lower contact 3, and described connecting tube 12 connects under described
Between 3, bypass valve is installed.
By screwed connection between connecting tube 12 and lower contact 3, fixed screw 14 is fixing to be connected.
In concrete scheme, described slipper seal assembly includes that quantity is no less than the fixed cover of, interior fixed cover respectively
10, in cylindrical slip cap, the two ends up and down of described slip cap have and move radially foot, described in move radially foot by fixing
Set is fixed on described interior fixed cover 10, is provided with sealing shroud between described slip cap and described interior fixed cover 10.
In concrete scheme, described slip cap black box includes fixed cover 11, middle fixed cover 7, lower fixed cover 4, interior
Fixed cover 10, lower slider set 6, upper slip cap 8, lower sleeve gasket 5, upper sleeve gasket 9, described lower slider set 6, upper slip cap 8 upper
Lower two ends have and move radially fixing foot, described in move radially fixing foot by upper fixed cover 11, middle fixed cover 7, lower fixed cover 4
Being fixed on described interior fixed cover 10, described lower slider is overlapped 6, is provided with sealing between upper slip cap 8 and described interior fixed cover 10
Set 5, sealing shroud 9.
Being appreciated that the discharge opeing plunger that this utility model provides, the quantity of slip cap is not limited to 2, the number of slip cap
Amount can be one or more, all should be in protection domain of the present utility model.
In concrete scheme, having inner convex platform in the interior circular groove of described slip cap, described interior circular groove is divided into by described inner convex platform
In long, circular groove and short interior circular groove, set resilient sealing shroud in circular groove in described length, and described short interior circular groove is installed on described interior solid
Surely in the outer lug boss of set 10.
As it is shown in figure 1, be provided with in circular groove in being provided with the length of sealing shroud 5, slip cap 8 in the length of slip cap 6 in circular groove
Sealing shroud 9.
Preferably in scheme, the cross section of sealing shroud can be circular or many prismatics, to improve in slip cap black box
The sealing effectiveness in portion.
Preferably in scheme, slip cap is to be detained, by many lobes T-shaped, the cylindrical shroud formed mutually, in concrete scheme, and slip cap 6
With slip cap 8 can all for being detained the cylindrical shroud formed mutually by many lobes T-shaped, slip cap 6, slip cap 8 T-shaped lobe at External Force Acting
Under can radially produce quantitative displacement with single-lobe or many lobes.
Preferably in scheme, inside the lower surface of described connecting tube 12, it is provided with sealing chamfering.
In concrete scheme, described bypass valve includes bypassing valve rod 1, and the upper end of described bypass valve rod 1 is sealing surface, lower end
For guiding cone, this guiding cone is through in the through hole that described lower contact 3 is axial, and the face of cylinder of described bypass valve rod 1 is provided with circle
Ball locating slot and positive stop lug boss, the relevant position of described lower contact 3 is provided with installing hole, is provided with ball and bullet in described installing hole
Property resetting means, the inner side of described ball is provided with by-pass prot against described elasticity reset device, the side of described lower contact.
Preferably in scheme, the sealing surface of described bypass valve rod 1 upper end is for sealing sphere.
In concrete scheme, described elasticity reset device is spring 13, and described ball is steel ball 2.
Preferably in scheme, the lower end of described lower contact 12 is provided with importing angle.
As shown in Figure 4 and Figure 5, the work process of this discharge opeing plunger is: connecting tube 12 middle through hole when plunger falls
By-pass prot is opened, and plunger downstream rate is fast, reduces the closed-in time to a certain extent, increases oil recovery gas production yield；Plunger falls to touching
After hitting reducer impact head 19, bypass valve rod 1 moves and closes by-pass prot；When ground drives a well, under the effect of stratum energy, under close
Big envelope 5, upper sleeve gasket 9 sealing slide move set 6, upper slip cap 8 internal channel, hold intrinsic pressure outer shifting, promote lower slider set 6, upper slip
Overlapping 8, be close to tubing wall, plunger seal oil conduit is up, promotes plunger and upper end hydrops thereof up, completes discharge opeing process；Plunger arrives
Reach well head, under well head plunger trip rod 20 effect is installed, promote bypass valve rod 1, open bypass valve, steel ball 2 locking bypass
Valve rod 1, by-pass prot is held open state, plunger fast downlink.
When discharge opeing plunger is up, under the effect of stratum energy, self-sealing, plunger body machine between plunger and tubing wall
Structure self-sealing, by-pass prot is closed and is sealed, improves discharge opeing effect, shorten the closed-in time, farthest improve yield, same
Time meet the oil-gas field development of low-voltage and low-yield and the discharge opeing needs of production.
This utility model additionally provides a kind of liquid discharging apparatus, and this liquid discharging apparatus includes that underground throttle device, well head plunger clash into
Bar and above-mentioned discharge opeing plunger.
Wherein, as in figure 2 it is shown, a kind of underground throttle device includes reducer main body 18, lower slips 15, packing element 16, upper slips
17, reducer impact head 19 etc..
As it is shown on figure 3, a kind of well head plunger trip rod includes well head plunger trip rod 20, well head plunger trip rod main body
21。
It should be noted that above example merely provides a kind of concrete underground throttle device and well head plunger clashes into
Bar, the concrete structure of the two is unrelated with innovative point of the present utility model, and those skilled in the art use any downhole choke
Device, well head plunger trip rod all can realize this utility model purpose.Owing to above-mentioned discharge opeing plunger has above-mentioned technique effect, bag
Also should have above-mentioned technique effect containing above-mentioned discharge opeing plunger, no longer describe in detail at this.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. a discharge opeing plunger, including connecting tube, it is characterised in that the outer diameter cylindrical surface cover of described connecting tube is close equipped with slip cap
Sealing assembly, the lower end of described connecting tube is provided with lower contact, is provided with bypass valve between described connecting tube and described lower contact.
Discharge opeing plunger the most according to claim 1, it is characterised in that described slip cap is to be detained mutually by many lobes T-shaped to form
Cylindrical shroud, the cylindrical shroud single-lobe under external force of described many lobes T-shaped or many lobes radially produce quantitative displacement.
Discharge opeing plunger the most according to claim 1, it is characterised in that described slip cap black box includes that quantity is not respectively
Fixed cover less than one, interior fixed cover, the slip cap in cylindrical, sealing shroud, the two ends up and down of described slip cap have footpath
To mobile fixing foot, described in move radially fixing foot and be fixed on described interior fixed cover by fixed cover, described slip cap and institute
State and be provided with sealing shroud between interior fixed cover.
Discharge opeing plunger the most according to claim 3, it is characterised in that oriented inner convex platform in the interior circular groove of described slip cap,
Described to inner convex platform, described interior circular groove is divided into long in circular groove and short interior circular groove, set resilient sealing in described length in circular groove
Set, described short interior circular groove is installed in the outer lug boss of described interior fixed cover.
Discharge opeing plunger the most according to claim 4, it is characterised in that described sealing shroud be cross section be circular or many prismatics
Elastic seal cartridge.
Discharge opeing plunger the most according to claim 1, it is characterised in that be provided with sealing inside the lower surface of described connecting tube and fall
Angle.
Discharge opeing plunger the most according to claim 1, it is characterised in that described bypass valve includes bypassing valve rod, described bypass
The upper end of valve rod is sealing surface, and lower end is guiding cone, and this guiding cone is through in the through hole that described lower contact is axial, described side
The external cylindrical surface of logical valve rod is provided with ball locating slot and positive stop lug boss, and the relevant position of described lower contact is provided with installing hole, described
Being provided with ball and elasticity reset device in installing hole, described ball is against described elasticity reset device；The side of described lower contact
Face is provided with by-pass prot.
Discharge opeing plunger the most according to claim 7, it is characterised in that the sealing surface of described bypass valve rod upper end is for sealing
Sphere, plane or the conical surface.
Discharge opeing plunger the most according to claim 7, it is characterised in that described elasticity reset device is spring, described ball
For steel ball.
10. a liquid discharging apparatus, it is characterised in that include that underground throttle device, well head plunger trip rod and claim 1-9 are arbitrary
Discharge opeing plunger described in Xiang.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620118430.8U CN205841181U (en) | 2016-02-05 | 2016-02-05 | Discharge opeing plunger and liquid discharging apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620118430.8U CN205841181U (en) | 2016-02-05 | 2016-02-05 | Discharge opeing plunger and liquid discharging apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841181U true CN205841181U (en) | 2016-12-28 |
Family
ID=57627936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620118430.8U Withdrawn - After Issue CN205841181U (en) | 2016-02-05 | 2016-02-05 | Discharge opeing plunger and liquid discharging apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570119A (en) * | 2016-02-05 | 2016-05-11 | 北京奥赛旗石油科技开发有限公司 | Liquid drainage plunger and liquid drainage equipment |
-
2016
- 2016-02-05 CN CN201620118430.8U patent/CN205841181U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570119A (en) * | 2016-02-05 | 2016-05-11 | 北京奥赛旗石油科技开发有限公司 | Liquid drainage plunger and liquid drainage equipment |
| CN105570119B (en) * | 2016-02-05 | 2018-06-29 | 北京奥赛旗石油科技开发有限公司 | Drain plunger and liquid discharging apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104358514B (en) | A kind of underground coal mine nearly horizontal orientation long drilled holes pressure control drilling system and method | |
| CN202578634U (en) | Switch type track sealing sliding sleeve | |
| CN105570119B (en) | Drain plunger and liquid discharging apparatus | |
| CN205841179U (en) | Bypass valve and discharge opeing plunger | |
| CN203756146U (en) | Sleeve protecting setting water injection integrated pipe column | |
| CN206495669U (en) | Card pipe string for plugging shallow-layer sleeve leakage water injection well | |
| CN205841181U (en) | Discharge opeing plunger and liquid discharging apparatus | |
| CN103541700B (en) | Reverse sealed eccentric injection mandrel | |
| CN103375150B (en) | SIMULATION STUDY OF GRAVEL PACKING IN HORIZONTAL WELL instrument | |
| CN202707018U (en) | Bridge type eccentric overflowing water distributor and blanking plug thereof | |
| CN205858265U (en) | A kind of down-hole leggy leak stopping syringe | |
| CN103743304B (en) | Demolition set | |
| CN106677737A (en) | Sealing assembly and sealing equipment | |
| CN204371215U (en) | TUBE IN DEEP WELL blanking plug | |
| CN204212709U (en) | Mechanical plugging process pipe column capable of being tested | |
| CN109296336A (en) | Sliding sleeve type blocking device and method for speed pipe column | |
| CN104196505B (en) | Chemical flooding layering injection device | |
| CN203347704U (en) | Well washing and oil draining device for pumping well | |
| CN109403908B (en) | Sand control type blocking tool for speed pipe column and use method | |
| CN204060660U (en) | A kind of static pressure pressure reduction sliding sleeve | |
| CN203603835U (en) | Underground dart-type blocking tool used for coiled tubing | |
| CN203879474U (en) | CO2 oil displacement injection well anticorrosion anti-seepage production tubular column | |
| CN208870567U (en) | Blowout hookup is sealed between well head oil skill casing | |
| CN206617124U (en) | A kind of reducing component and reducing water-tight equipment | |
| CN206513353U (en) | A kind of horizontal well completion sand control fill-type water-control sieve tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20180629 |
|
| AV01 | Patent right actively abandoned |