CN206647078U - A kind of slip-type packer - Google Patents
A kind of slip-type packer Download PDFInfo
- Publication number
- CN206647078U CN206647078U CN201720024267.3U CN201720024267U CN206647078U CN 206647078 U CN206647078 U CN 206647078U CN 201720024267 U CN201720024267 U CN 201720024267U CN 206647078 U CN206647078 U CN 206647078U
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- China
- Prior art keywords
- slips
- slip
- central tube
- joint sleeve
- cone
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Abstract
It the utility model is related to a kind of slip-type packer, including upper box cupling, central tube, upper joint sleeve, packing rubber sleeve, support ring, cone, slips, the first spring, slip spider, friction commutation body, guide ring and lower joint sleeve；Described upper box cupling, upper joint sleeve, packing rubber sleeve, support ring, cone, slips, friction commutation body and lower joint sleeve is sequentially sleeved on central tube from top to bottom.The slip-type packer is setting, deblocking is simple and convenient, and success rate is high.
Description
Technical field
It the utility model is related to the downhole packing work that a kind of oilfield is used for oil production by layer, formation testing, water detection, water blockoff etc.
Tool, specifically belongs to a kind of slip-type packer.
Background technology
Packer refers to flexible potted component, and insulate whereby between various sizes tubing string and well and tubing string it
Between annular space, and completely cut off payzone, (note) liquid, the downhole tool of protection sleeve pipe produced with control；During oil field development, envelope
Often it is often used every device, is insulated separately up and down by packing element compression-expansion when being mainly used in the operations such as oil production by layer, formation testing, water detection
Different layers position carries out all kinds of stratified operations.
Utility model content
The shortcomings that in order to overcome above-mentioned prior art, the purpose of this utility model are to provide a kind of simple in construction, it is not necessary to
Rotation can carry out long and short track conversion, setting, the convenient slip-type packer of deblocking.
To reach above-mentioned purpose, the utility model uses a kind of slip-type packer of following technical scheme, including upper box cupling,
Central tube, upper joint sleeve, packing rubber sleeve, support ring, cone, slips, the first spring, slip spider, friction commutation body, guide ring and
Lower joint sleeve；
Described upper box cupling, upper joint sleeve, packing rubber sleeve, support ring, cone, slips, friction commutation body and lower joint sleeve
It is sequentially sleeved at from top to bottom on central tube；
Described upper box cupling is fixedly connected with upper joint sleeve by the first screw, and described support ring is fixed with cone to be connected
Connect, be fixedly connected between described cone and central tube by the second screw, described packing rubber sleeve is located at upper joint sleeve and branch
Between pushing out ring；
Described slip spider fixes the upper end for being set in friction commutation body, the upper end that slips passes through the first spring and slip spider
Connection, and there is space between the top of described slips and the outer surface of central tube, described slips has spacing with cone；Institute
The lower joint sleeve stated is fixedly connected with the lower end of friction commutation body by the 3rd screw, and described guide ring is embedded in lower joint sleeve
Medial surface on, and two pins are also fixed with described guide ring, the axial direction of described central tube is provided with mutually flat
Capable long guideway and short lead rail, described long guideway are connected with short lead rail by guide groove, and described pin is led in described length
Slided in rail and short lead rail.
Described friction commutation body is provided with a brake pad, and the brake pad is connected by second spring with friction commutation body,
And described brake pad is located between the lock ring that slip spider and friction commutation body lower end fixed sleeves are set.
Described packing rubber sleeve includes packing element among two end packing elements and one, and described middle packing element is positioned at two ends
The centre of portion's packing element, and separated between end packing element and middle packing element by the spacer ring being set on central tube.
Described slips is uniformly looped around on central tube by multiple slips valves and formed.
The cross sectional shape in the space between described slips and central tube is V-groove.
The pin is two, and is symmetrically arranged on guide ring, and described short lead rail and long guideway are also two respectively, and
Symmetrically it is arranged at intervals.
The beneficial effects of the utility model are：Two pins of guide ring are in the short rail on central tube during original state
Road bottom, central tube is above carried when setting, is oriented to ring dowel and long track is switched to by short rail base automatically, then transfer pipe again,
Ring dowel is oriented to move in long track.Continue to transfer tubing string, cone struts five slips pieces, is stuck in internal surface of sleeve pipe, central tube
Continue to move down, for packing element under the support of support ring, the lower compressive load given by tubing string is compressed expansion, reaches packing oil jacket
The purpose of annular space.Brake pad is brought into close contact with internal surface of sleeve pipe under the action of the spring, to prevent slips piece before strutting downwards
Slide.The slip-type packer is setting, deblocking is simple and convenient, and success rate is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of central tube of the present utility model；
In figure：Glue in the upper box cuplings of 1-, 2- central tubes, 3- upper joint sleeves, the screws of 4- first, 5- ends packing element, 6- spacer rings, 7-
Cylinder, 8- support rings, 9- cones, the screws of 10- second, 11- slips, the springs of 12- first, 13- slip spiders, 14- friction commutation body,
15- second springs, 16- brake pads, 17- lock rings, the screws of 18- the 3rd, 19- guide rings, 20- pins, 21- lower joint sleeves, 201-
Short lead rail, 202- long guideways；203- guide grooves.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
Embodiment 1
A kind of slip-type packer as illustrated in fig. 1 and 2, including upper box cupling 1, central tube 2, upper joint sleeve 3, packing glue
Cylinder, support ring 8, cone 9, slips 11, the first spring 12, slip spider 13, friction commutation body 14, guide ring 19 and lower joint sleeve
21；
Described upper box cupling 1, upper joint sleeve 3, packing rubber sleeve, support ring 8, cone 9, slips 11, friction commutation body 14 and
Lower joint sleeve 21 is sequentially sleeved on central tube 2 from top to bottom；
Described upper box cupling 1 is fixedly connected with upper joint sleeve 3 by the first screw 4, and described support ring 8 is solid with cone 9
Fixed connection, is fixedly connected, described packing rubber sleeve is located at upper company between described cone 9 and central tube 2 by the second screw 10
Between female connector 3 and support ring 8；
Described slip spider 13 fixes the upper end for being set in friction commutation body 14, and slips 11 passes through the first spring 12 and slips
The upper end connection of seat 13, and there is space between the top of described slips 11 and the outer surface of central tube 2, described slips 11
There is spacing with cone 9；Described lower joint sleeve 21 is fixedly connected with the lower end of friction commutation body 14 by the 3rd screw 18, institute
The guide ring 19 stated is embedded on the medial surface of lower joint sleeve 21, and pin 20, institute are also fixed with described guide ring 19
The axial direction for the central tube 2 stated is provided with the long guideway 202 being parallel to each other and short lead rail 201, described long guideway 202 and short lead rail
201 are connected by guide groove 203, and described pin 20 slides in described long guideway 202 and short lead rail 201.
Described slips 11 is used to be fixed with the inwall of tubing string, and the packing rubber sleeve being provided with is setting for realizing, prevents
Extraneous liquid is entered in tubing string, and cone 9 is used to strut slips 11, slips 11 is stuck on tubing string wall；Long guideway
202 and short lead rail 201 be used for central tube 2 can above be carried, particularly between long guideway 202 and short lead rail 201 lead to
Guide groove 203 as shown in Figure 2 is crossed to connect, and guide groove 203 has certain angle, the guide groove 203 and short lead rail 201
The end of connection is less than the end that guide groove 203 is connected with long guideway 201, the setting of this angle, ensures to leave in pin 20
In short lead rail 201, when in guide groove 203, as long as central tube 2 is above carried, ensure that the guide groove 203 can lead pin 20
To into long guideway 202.
Specifically at work, when packer is in original state, pin 20 is located at the top of short lead rail 201, in work
This packer is put into tubing string in work, above carries central tube 2, pin 20 out, enters guide groove from short lead rail 201
In 203, then lower central pipe 2, the pin in guide groove 203 is entered in long guideway 202, continues to transfer, guide ring 19 exists
Moved in long guideway 202, cone 9 is descending, continues to transfer, and cone 9 struts slips 11, and the slips 11 after strutting is stuck in tubing string
On inwall, realize the fixation of packer, continue to transfer, central tube 2 continues to move down, packing rubber sleeve under the support of support ring 8,
The lower compressive load given by tubing string is compressed expansion, and the upper and lower ends of packer seal separately, reach packing oil
Cover the purpose of annular space.
Further, in order to prevent slips piece slide downward before strutting, described friction commutation body 14 is provided with one
Brake pad 16, the brake pad 16 is connected by second spring 15 with friction commutation body 14, and described brake pad 16 is located at slips
Between the lock ring 17 that seat 13 and the friction commutation lower end fixed sleeves of body 14 are set.Brake pad 16 is commutated by second spring 15 and friction
Body 14 connects, and can occur to stretch during descending, be effectively guaranteed before slips 11 does not strut, brake pad 16
It can be brought into close contact with the inwall of tubing string, ensure that whole packer will not glide, leave setting position.
Further, more obvious in packing effect in order to ensure, sealing property is better, while setting
When, the power used will not be very big, and described packing rubber sleeve includes packing element 7 among two end packing elements 5 and one, in described
Between packing element 7 positioned at the centre of two end packing elements 5, and by being set on central tube 2 between end packing element 5 and middle packing element 7
Spacer ring 6 separate.
Further, in order to slips 11 can be firm be stuck on tubing string wall, described slips 11 is by multiple slips valves
Uniformly it is looped around on central tube 2 and forms.Blocked using multiple slips valves come the inwall with tubing string, the more jail of card
Lean on.
Further, the cross sectional shape in the space between described slips 11 and central tube 2 is V-groove, using V-type knot
Structure, facilitate cone 9 smoothly can strut slips 11.
Further, in order to ensure to carry or when central tube 2 is descending upper, more balance, pin 20 as described in Fig. 2
It is two, and is symmetrically arranged on guide ring 19, described short lead rail 201 and long guideway 202 are also two respectively, and symmetrically
It is arranged at intervals, using being symmetrical arranged, no matter how putting can ensure that pin 20 is smoothly switched to length from short lead rail 201 and led
In rail 202.
Exemplified as above is only for example, not forming to the scope of protection of the utility model to of the present utility model
Limitation, it is every to be belonged to the same or analogous design of the utility model within the scope of protection of the utility model.
Claims (6)
1. a kind of slip-type packer, it is characterised in that including upper box cupling (1), central tube (2), upper joint sleeve (3), packing glue
Cylinder, support ring (8), cone (9), slips (11), the first spring (12), slip spider (13), friction commutation body (14), guide ring
And lower joint sleeve (21) (19)；
Described upper box cupling (1), upper joint sleeve (3), packing rubber sleeve, support ring (8), cone (9), slips (11), friction commutation
Body (14) and lower joint sleeve (21) are sequentially sleeved on central tube (2) from top to bottom；
Described upper box cupling (1) is fixedly connected with upper joint sleeve (3) by the first screw (4), described support ring (8) and cone
(9) it is fixedly connected, is fixedly connected between described cone (9) and central tube (2) by the second screw (10), described packing glue
Cylinder is between upper joint sleeve (3) and support ring (8)；
The fixed upper end for being set in friction commutation body (14) of described slip spider (13), slips (11) by the first spring (12) with
The upper end connection of slip spider (13), and there is space, institute between the top of described slips (11) and the outer surface of central tube (2)
The slips (11) stated has spacing with cone (9)；The lower end of described lower joint sleeve (21) and friction commutation body (14) passes through the 3rd
Screw (18) is fixedly connected, and described guide ring (19) is embedded on the medial surface of lower joint sleeve (21), and described guide ring
(19) also it is fixed with pin (20) on, the axial direction of described central tube (2) is provided with the long guideway (202) that is parallel to each other and short
Guide rail (201), described long guideway (202) are connected with short lead rail (201) by guide groove (203), and described pin (20) exists
Slided in described long guideway (202) and short lead rail (201).
A kind of 2. slip-type packer according to claim 1, it is characterised in that：Set on described friction commutation body (14)
There is a brake pad (16), the brake pad (16) is connected by second spring (15) with friction commutation body (14), and described friction
Block (16) is located between the lock ring (17) that slip spider (13) and friction commutation body (14) lower end fixed sleeves are set.
3. a kind of slip-type packer according to claim 1, it is characterised in that described packing rubber sleeve includes two ends
Portion's packing element (5) and a middle packing element (7), described middle packing element (7) are located at the centre of two end packing elements (5), and end
Separated between packing element (5) and middle packing element (7) by the spacer ring (6) being set on central tube (2).
4. a kind of slip-type packer according to claim 1, it is characterised in that described slips (11) is by multiple cards
Watt valve is uniformly looped around on central tube (2) and formed.
5. a kind of slip-type packer according to claim 1 or 4, it is characterised in that described slips (11) and center
The cross sectional shape for managing the space between (2) is V-groove.
6. a kind of slip-type packer according to claim 1, it is characterised in that the pin (20) is two, and right
Title is located on guide ring (19), and described short lead rail (201) and long guideway (202) are also two respectively, and symmetrically interval
Set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720024267.3U CN206647078U (en) | 2017-01-10 | 2017-01-10 | A kind of slip-type packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720024267.3U CN206647078U (en) | 2017-01-10 | 2017-01-10 | A kind of slip-type packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206647078U true CN206647078U (en) | 2017-11-17 |
Family
ID=60284110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720024267.3U Active CN206647078U (en) | 2017-01-10 | 2017-01-10 | A kind of slip-type packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206647078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119090A (en) * | 2017-12-26 | 2018-06-05 | 河北鸿凯石油科技有限公司 | A kind of compression slips stripping packer |
| CN116658116A (en) * | 2023-07-31 | 2023-08-29 | 成都若克石油技术开发有限公司 | Packer for positioning perforation and use method |
-
2017
- 2017-01-10 CN CN201720024267.3U patent/CN206647078U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119090A (en) * | 2017-12-26 | 2018-06-05 | 河北鸿凯石油科技有限公司 | A kind of compression slips stripping packer |
| CN116658116A (en) * | 2023-07-31 | 2023-08-29 | 成都若克石油技术开发有限公司 | Packer for positioning perforation and use method |
| CN116658116B (en) * | 2023-07-31 | 2024-01-30 | 成都若克石油技术开发有限公司 | Packer for positioning perforation and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Zhongxiao Inventor after: Liu Dandan Inventor after: Liu Juan Inventor after: Zhao Xiaohu Inventor after: Zhang Yang Inventor after: Ma Suizan Inventor before: Zhang Zhongxiao Inventor before: Liu Dandan Inventor before: Liu Juan Inventor before: Zhao Xiaohu Inventor before: Zhang Yang Inventor before: Ma Suizan |
|
| CB03 | Change of inventor or designer information |