CN209339902U - A kind of production packer - Google Patents
A kind of production packer Download PDFInfo
- Publication number
- CN209339902U CN209339902U CN201822266263.3U CN201822266263U CN209339902U CN 209339902 U CN209339902 U CN 209339902U CN 201822266263 U CN201822266263 U CN 201822266263U CN 209339902 U CN209339902 U CN 209339902U
- Authority
- CN
- China
- Prior art keywords
- separation sleeve
- bottom end
- strut
- sleeve
- stripper plate
- 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.)
- Active
Links
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a kind of production packers, including top connection, the bottom end of the top connection is equipped with central tube, adjusting ring is arranged on the outer wall on the central tube top, the bottom end for adjusting ring is equipped with packing element, there are three the packing element settings, and separation sleeve is installed between two neighboring packing element, the surrounding of the separation sleeve is provided with stripper plate, the first strut and the second strut are respectively arranged on the inside of the stripper plate, first strut and the second strut are articulated and connected with separation sleeve, interval of the production packer between packing element is equipped with two separation sleeves up and down, when setting pushing, it can squeeze and draw close between separation sleeve, and hinged two struts also due to the rotation of torsional spring and it is close, the stripper plate of two strut hinged places also can be constantly close to tube inner wall simultaneously, by friction block on stripper plate with Oil pipe contact, substantially increases the fixed effect of packer, so that setting more securely.
Description
Technical field
The utility model relates to oil recovery technique field, specially a kind of production packer.
Background technique
Production packer is one kind in oilfield exploitation operation, for being layered a kind of tool of water detection, water blockoff and formation testing, and
Current production packer when in use, still some a little shortcomings.
Current production packer passes through slip segment mostly and the block generation friction that compresses and rubs against of oil pipe is fixed, but
It is the long-time service with slip segment, will receive abrasion, causes inevitably to will appear loosening when in face of high hydraulic environment；
And general pin when setting and unsealing, needs pin to slide and turn each other in elongated slot and short slot when sliding in orbit
It moves, but often motion process is not smooth, Yi Fasheng stuck phenomenon；And general not high, etc. problem of center tube structure intensity
It need us to solve.
Utility model content
The purpose of this utility model is to provide a kind of production packer, with solve that above-mentioned background technique proposes it is current with
The long-time service of slip segment, will receive abrasion, cause inevitably to will appear loosening when in face of high hydraulic environment；And one
As pin when sliding in orbit, when setting and unsealing, pin is needed to slide and shift each other in elongated slot and short slot, but
It is that often motion process is not smooth, Yi Fasheng stuck phenomenon；And the problem that general center tube structure intensity is not high.
To achieve the above object, the utility model provides the following technical solutions: a kind of production packer, including top connection,
The bottom end of the top connection is equipped with central tube, and adjusting ring is arranged on the outer wall on the central tube top, the adjusting ring
Bottom end is equipped with packing element, and there are three the packing element settings, and separation sleeve is equipped between two neighboring packing element, the separation sleeve
Surrounding is provided with stripper plate, is respectively arranged with the first strut and the second strut on the inside of the stripper plate, and described first
Bar and the second strut are articulated and connected with separation sleeve, and restraining position ring block, the bottom end peace of the stop collar are installed in the bottom end of the packing element
Equipped with centrum, the bottom end of the centrum is equipped with slip sleeve, and slip segment, and slips are evenly distributed on the outside of the slip sleeve
The bottom end of set is welded with fixing sleeve, and the inside of the fixing sleeve is rotatably connected to track set, the table of the track set by bearing
Offer track on face, on the surface of the central tube with pin, the bottom of the fixing sleeve are installed at track opposite position
End is equipped with ring block, and the ring block is set in the outside of central tube, and the bottom end of ring block is equipped with lower contact.
Preferably, the separation sleeve includes upper separation sleeve and lower separation sleeve, and the lower separation sleeve is mounted on separation sleeve
Bottom end, and the first strut and upper separation sleeve are articulated and connected, second strut and lower separation sleeve are articulated and connected, first strut
Rotational structure is constituted by torsional spring and the second strut.
Preferably, the height number of the stripper plate is less than the sum of upper separation sleeve and lower separation sleeve total height numerical value.
Preferably, the track is internally provided with gear tooth, the track set with keep off at tooth opposite position offer it is recessed
Slot, the gear tooth are equipped with spring close to one end of groove, and keep off tooth and constitute stretching structure by spring and groove.
Preferably, the edge on ring block top is evenly distributed with rod set, the edge of the fixing sleeve bottom end and bar
Thin bar is installed, the rod set and thin bar constitute slide construction at set opposite position.
Preferably, friction block is mounted on the outside of the slip segment and stripper plate.
Compared with prior art, the utility model has the beneficial effects that the production packer:
1. interval of the production packer between packing element is equipped with two separation sleeves up and down, when setting pushing, every
Drawn close from that can be squeezed between set, and hinged two struts also due to the rotation of torsional spring and it is close, while two struts are hinged
The stripper plate at place also can be contacted with oil pipe by the friction block on stripper plate constantly close to tube inner wall, substantially increase packing
The fixed effect of device, so that setting more securely.
It is main there are three parked point 2. the pin of the production packer slides in orbit, respectively elongated slot top dead-centre,
Elongated slot bottom dead centre and short slot bottom dead centre, when setting, pin moves to elongated slot top dead-centre from short slot bottom dead centre, then from elongated slot extremely
Point reaches elongated slot bottom dead centre, and when deblocking, from elongated slot bottom dead centre to elongated slot top dead-centre, entire motion process is more smooth, and solves
Feng Shi blocks the channel of elongated slot and short slot, so that pin is more smooth when sliding, avoids blocking, keep away since gear tooth exists
Exempting from vibration causes pin accidentally to slip in short slot, due to keeping off the presence of tooth, substantially increases the accuracy of the pin direction of motion.
3. the production packer is connected between the ring block on fixing sleeve and lower contact by rod set and thin bar, pass through rod set
Sliding between thin bar, the downward motion and resetting movement of central tube when adapting to set and unseal, and due to rod set and thin bar
The thickness in a disguised form increasing central tube, substantially increases the tension and bend resistance intensity of central tube, so that the structure of central tube is more
Add stabilization, anti-oil pressure capacity is more preferable.
Detailed description of the invention
Fig. 1 is the utility model main view；
Fig. 2 is separation sleeve partial enlarged view at the utility model A；
Fig. 3 is the utility model fixing sleeve structural schematic diagram；
Fig. 4 is that the utility model keeps off dental structure schematic diagram.
In figure: 1, top connection；2, ring is adjusted；3, packing element；5, central tube；6, the second strut；7, centrum；8, slip sleeve；9,
Slip segment；10, friction block；11, fixing sleeve；12, ring block；13, lower contact；14, thin bar；15, rod set；16, separation sleeve；1601,
Upper separation sleeve；1602, lower separation sleeve；17, the first strut；18, the second strut；19, stripper plate；20, bearing；21, track set；
22, pin；23, track；24, tooth is kept off；25, groove；26, spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.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.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of production packer, including top connection 1, on
The bottom end of connector 1 is equipped with central tube 5, is arranged on the outer wall on 5 top of central tube and adjusts ring 2, and the bottom end for adjusting ring 2 is equipped with
Packing element 3, there are three the settings of packing element 3, and separation sleeve 16 is equipped between two neighboring packing element 3, and the surrounding of separation sleeve 16 is respectively provided with
There is stripper plate 19, the first strut 17 and the second strut 18, the first strut 17 and second are respectively arranged on the inside of stripper plate 19
Strut 18 is articulated and connected with separation sleeve 16, and restraining position ring block 6 is installed in the bottom end of packing element 3, and the bottom end of stop collar 6 is equipped with centrum 7,
The bottom end of centrum 7 is equipped with slip sleeve 8, and slip segment 9, and the bottom end weldering of slip sleeve 8 are evenly distributed on the outside of slip sleeve 8
It is connected to fixing sleeve 11, the inside of fixing sleeve 11 is rotatably connected to track set 21 by bearing 20, opens up on the surface of track set 21
Have a track 23, on the surface of central tube 5 with pin 22 is installed at 23 opposite position of track, the bottom end of fixing sleeve 11 is equipped with
Ring block 12, ring block 12 is set in the outside of central tube 5, and the bottom end of ring block 12 is equipped with lower contact 13.
In the present embodiment: separation sleeve 16 includes upper separation sleeve 1601 and lower separation sleeve 1602, and lower separation sleeve 1602 is mounted on
The bottom end of upper separation sleeve 1601, and the first strut 17 is articulated and connected with upper separation sleeve 1601, the second strut 18 and lower separation sleeve
1602 articulated connections, the first strut 17 constitute rotational structure by torsional spring and the second strut 18, when adjusting the pushing of ring 2, torsional spring
Rotate and deformation, the first strut 17 is constantly drawn close with the second strut 18 due to hingedly acting on, upper separation sleeve 1601 and under every
It is constantly close from set 1602, and crushing block 19 constantly moves outwardly, and is tightly attached on the inner wall of oil pipe, substantially increases the packing
The stability that device is set；The height number of stripper plate 19 be less than upper separation sleeve 1601 and 1602 total height numerical value of lower separation sleeve it
With avoid stripper plate 19 excessively high, cause to block and hinder packing element 3, influence sealing effect；Track 23 is internally provided with gear tooth
24, track, which covers, opens up fluted 25 at 21 and gear 24 opposite position of tooth, keeps off tooth 24 close to one end of groove 25 and is equipped with spring
26, and keep off tooth 24 and stretching structure is constituted by spring 26 and groove 25, this set it is more smooth with unsealing operation, by above mentioning
Central tube 5 in motion process, can squeeze gear tooth 24, make so that pin 22 slides into the top dead-centre of elongated slot from the bottom dead centre of short slot
Tooth 24 must be kept off to be extruded in groove 25, when pin 22 and groove 25 separate, gear tooth 24 pops up again in the effect of spring 25, blocks
Channel between short slot and elongated slot then pushes central tube 5, due to the presence of gear tooth 24, plays guiding role to pin 22,
Allow pin 22 smoothly along elongated slot vertical motion；The edge on 12 top of ring block is evenly distributed with rod set 15, fixed
It covering and thin bar 14 is installed at the edge and 15 opposite position of rod set of 11 bottom ends, rod set 15 and thin bar 14 constitute slide construction,
Since the cooperation between thin bar 14 and rod set 15 is fixed, the fineness of central tube 5 is in a disguised form increased, so that central tube 5 is anti-
It draws and bend resistance intensity is more preferable, substantially prolong the service life of central tube；The outside of slip segment 9 and stripper plate 19 is respectively mounted
There is friction block 10, the component that friction block 10 is made of friction facing or friction material layer passes through friction block 10 and tube inner wall
Contact, increasing friction force are fixed on packer preferably inside oil pipe, withstand the pressure of oil liquid.
Working principle: when the utility model is used, when setting, which is placed on specific bit in oil pipe
It sets, then above mentions central tube 5, so that pin 22 since the bottom dead centre of short slot, moves upwards in the short slot in track 23,
And gear tooth 24 is extruded in groove 26, and reach the top dead-centre of elongated slot, it then keeps off tooth 24 and is popped up due to the elastic force of spring 25,
The channel between elongated slot and short slot is sheltered from, then pushes central tube 5 again, so that pin 22 moves downward, due to gear tooth 24
Barrier, plays guiding role to pin 22, so that pin 22 is more smooth to move to the lower dead of elongated slot from the top dead-centre of elongated slot
Point, in 22 motion process of pin, track set 21 can be rotated on the inside of fixing sleeve 11 by bearing, reduce whole vibration, together
When slip segment 9 is pressed down against due to centrum 7, slip segment 9 is strutted, and be tightly attached on the inner wall of oil pipe it is fixed, simultaneously because adjusting
Save ring 2 pushing so that packing element 3 is crushed, and be tightly attached on the inner wall of oil pipe, play the role of sealing and isolation, with after
From set 16 on torsional spring rotate and deformation, the first strut 17 is constantly drawn close with the second strut 18 due to hingedly acting on, on every
It is constantly close from set 1601 and lower separation sleeve 1602, and crushing block 19 constantly moves outwardly, and is tightly attached on the inner wall of oil pipe,
Substantially increase the stability of the packer setting；When deblocking, central tube 5 is above mentioned, so that pin 22 is from the elongated slot in track 23
Bottom dead centre move to the top dead-centre of elongated slot, entire packer can be proposed, complete deblocking, entire workflow terminates.This
The content being not described in detail in explanation belongs to the prior art well known to professional and technical personnel in the field.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of production packer, including top connection (1), it is characterised in that: the bottom end of the top connection (1) is equipped with central tube
(5), it is arranged on the outer wall on central tube (5) top and adjusts ring (2), the bottom end for adjusting ring (2) is equipped with packing element
(3), there are three packing element (3) settings, and separation sleeve (16), the separation sleeve are installed between two neighboring packing element (3)
(16) surrounding is provided with stripper plate (19), and the first strut (17) and are respectively arranged on the inside of the stripper plate (19)
Two struts (18), first strut (17) and the second strut (18) are articulated and connected with separation sleeve (16), the packing element (3)
Restraining position ring block (6) are installed in bottom end, and the bottom end of the stop collar (6) is equipped with centrum (7), and the bottom end of the centrum (7) is equipped with
Slip sleeve (8) is evenly distributed with slip segment (9) on the outside of the slip sleeve (8), and the bottom end of slip sleeve (8) be welded with it is solid
The inside of fixed set (11), the fixing sleeve (11) is rotatably connected to track set (21) by bearing (20), the track set (21)
Surface on offer track (23), pin is installed at track (23) opposite position on the surface of the central tube (5)
(22), the bottom end of the fixing sleeve (11) is equipped with ring block (12), and the ring block (12) is set in the outside of central tube (5), and
The bottom end of ring block (12) is equipped with lower contact (13).
2. a kind of production packer according to claim 1, it is characterised in that: the separation sleeve (16) includes upper separation sleeve
(1601) and lower separation sleeve (1602), the lower separation sleeve (1602) are mounted on the bottom end of separation sleeve (1601), and first
Bar (17) and upper separation sleeve (1601) are articulated and connected, and second strut (18) and lower separation sleeve (1602) are articulated and connected, described
First strut (17) constitutes rotational structure by torsional spring and the second strut (18).
3. a kind of production packer according to claim 2, it is characterised in that: the height number of the stripper plate (19) is small
In the sum of upper separation sleeve (1601) and lower separation sleeve (1602) total height numerical value.
4. a kind of production packer according to claim 1, it is characterised in that: the track (23) is internally provided with gear
It is opened up fluted (25) at tooth (24), the track set (21) and gear tooth (24) opposite position, the gear tooth (24) is close to recessed
One end of slot (25) is equipped with spring (26), and is kept off tooth (24) and constituted stretching structure by spring (26) and groove (25).
5. a kind of production packer according to claim 1, it is characterised in that: the edge on ring block (12) top is equal
It is even to be distributed with rod set (15), thin bar is installed at the edge of fixing sleeve (11) bottom end and rod set (15) opposite position
(14), the rod set (15) and thin bar (14) constitute slide construction.
6. a kind of production packer according to claim 1, it is characterised in that: the slip segment (9) and stripper plate (19)
Outside be mounted on friction block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822266263.3U CN209339902U (en) | 2018-12-28 | 2018-12-28 | A kind of production packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822266263.3U CN209339902U (en) | 2018-12-28 | 2018-12-28 | A kind of production packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209339902U true CN209339902U (en) | 2019-09-03 |
Family
ID=67760436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822266263.3U Active CN209339902U (en) | 2018-12-28 | 2018-12-28 | A kind of production packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209339902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116427879A (en) * | 2023-03-30 | 2023-07-14 | 淮安市井神钻采机具有限公司 | Packer with simple assembly structure |
-
2018
- 2018-12-28 CN CN201822266263.3U patent/CN209339902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116427879A (en) * | 2023-03-30 | 2023-07-14 | 淮安市井神钻采机具有限公司 | Packer with simple assembly structure |
| CN116427879B (en) * | 2023-03-30 | 2024-05-07 | 淮安市井神钻采机具有限公司 | Packer with simple assembly structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209339902U (en) | A kind of production packer | |
| CN115306348A (en) | Self-filling type float collar float shoe for well cementation | |
| US11761283B2 (en) | Core barrel sealing structure capable of increasing sealing-specific pressure | |
| CN112647886B (en) | Annular blowout preventer for oil field well mouth | |
| CN115217435B (en) | Polished rod sealing device with pressurization function for oil field | |
| CN209687458U (en) | Balanced type anchor packer | |
| CN103541700B (en) | Reverse sealed eccentric injection mandrel | |
| CN116838266B (en) | Underground casing centralizer for oilfield exploitation | |
| CN210978563U (en) | Novel special valve of high pressure acetylene | |
| CN209799916U (en) | Oil field is fishing device in pit | |
| CN207701103U (en) | Multifunctional polish rod seal device | |
| CN204703840U (en) | Slotted pipe completion is with exempting to bore plug stage cementing device | |
| CN208652035U (en) | A kind of lifting steelframe for remotely intelligently monitoring | |
| CN215332758U (en) | Differential pressure type oil extraction packer | |
| CN215213407U (en) | Eccentric polished rod sealing device | |
| CN202689995U (en) | Hydraulic bridge type oil-fishing wellhead sealer | |
| CN112050998B (en) | Tunnel construction model test device | |
| CN212671708U (en) | Oil drainage mechanism and blowout-prevention oil drainage double-acting device | |
| CN201176866Y (en) | Fixed pressure production mandrel | |
| CN201334889Y (en) | PT packer | |
| CN209293738U (en) | It is a kind of to throw stifled device | |
| CN209080099U (en) | A kind of cable stopper reducing abrasion | |
| CN208816082U (en) | A kind of automatic packer in oil field | |
| CN206280023U (en) | A kind of anti-water burst device of tunnel core plugging notifying mechanism of rope core drilling | |
| CN207437001U (en) | Rail type rubber sleeve packer for horizontal well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |