CN208763623U - A kind of Cementing rubber plug anti-rotation device - Google Patents
A kind of Cementing rubber plug anti-rotation device Download PDFInfo
- Publication number
- CN208763623U CN208763623U CN201821500014.XU CN201821500014U CN208763623U CN 208763623 U CN208763623 U CN 208763623U CN 201821500014 U CN201821500014 U CN 201821500014U CN 208763623 U CN208763623 U CN 208763623U
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- CN
- China
- Prior art keywords
- rubber plug
- fixture block
- accommodating groove
- cementing
- rotation device
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of Cementing rubber plug anti-rotation devices, including interior rubber plug, outer rubber plug and shell, the interior rubber plug includes colloid, limited block and the first fixture block, the limited block is uniformly arranged on the outside of colloid, first fixture block is fixedly installed on colloid lower end, the outer rubber plug includes accommodating groove, fixture block groove and limiting slot, the interior rubber plug and accommodating groove cooperate, the accommodating groove lower end is provided through fixture block groove, limiting slot is provided on the outside of the accommodating groove, the shell is sheathed on the outside of outer rubber plug, the housing bottom is fixedly installed the second fixture block, the housing bottom offers connection card slot, the outer rubber plug lower end is removably connected with clamping mechanism, the clamping mechanism cooperates with card slot is connect.More preferably, stability is more preferable for the fixed effect of the utility model entirety.
Description
Technical field
The utility model relates to Cementing equipment technical fields, and in particular to a kind of Cementing rubber plug anti-rotation device.
Background technique
After wellbore construction, in order to which the later period continues safety drilling, Reinforcing Shaft, reach later period drilling well packing oil, gas
With the purpose in water-bearing layer, it is ensured that later period safety, normal production will implement the operation of setting of casing and cementing well.Tripping in set
Implementing cementing after pipe is to inject cement slurry out of casing, and return cement to predetermined position along annular space by bottom, makes to cover
Annular space between pipe and the borehole wall is full of cement, achievees the purpose that well cementation, when the cement of injection reaches the requirement of design, in order to have
The isolation displacement fluid and cement of effect, and scrape the cement on internal surface of sleeve pipe, it is also possible to need stage cementing it is necessary to rubber plug pressure
Enter in well, has the function that control replaces drilling well liquid measure and stage cementing.
Such as Chinese Patent Application No. CN201220523573.9 discloses a kind of Novel anti-rotation cementing plug, belongs to underground and makees
The manufacturing field of industry tool.The content of the utility model is achieved in that a kind of novel firmware rubber plug, mainly by top cement plug,
Bottom plug, float collar three parts composition.It is characterized by: top cement plug setting gluing cock body, top cement plug core and antiturning pitch；Bottom plug is set
Set bottom plug body, bottom plug core, antiturning pitch and pressure-bearing film；Antiturning pitch, body of cement, ball-and-seat and ontology is arranged in float collar.
But there are still defects for above-mentioned technical proposal, and structure is too simple, and fixed effect is unsatisfactory, in the drill bit in later period
It is easy to follow rotation when piercing.
Based on this, the utility model devises a kind of Cementing rubber plug anti-rotation device, to solve the above problems.
Utility model content
One main purpose of the utility model is to overcome at least one defect in the prior art, provides a kind of petroleum
Anti-rotation device for well cementing, too simple to solve structure existing for above-mentioned technical proposal, fixed effect is unsatisfactory, in the later period
Drill bit be easy the problem of following rotation when piercing.
In order to realize above-mentioned technical proposal, the utility model uses following technical scheme:
One aspect according to the present utility model provides a kind of Cementing rubber plug anti-rotation device, including interior rubber plug, outer glue
Plug and shell, the interior rubber plug include colloid, limited block and the first fixture block, and the limited block is uniformly arranged on the outside of colloid,
First fixture block is fixedly installed on colloid lower end, and the outer rubber plug includes accommodating groove, fixture block groove and limiting slot, the interior rubber plug
It cooperates with accommodating groove, the accommodating groove lower end is provided through fixture block groove, is provided with limiting slot on the outside of the accommodating groove, institute
It states shell to be sheathed on the outside of outer rubber plug, the housing bottom is fixedly installed the second fixture block, and the housing bottom offers connection
Card slot, the outer rubber plug lower end are removably connected with clamping mechanism, and the clamping mechanism cooperates with card slot is connect.
An embodiment according to the present utility model, the limited block, the first fixture block and the second fixture block are provided with multiple groups.
An embodiment according to the present utility model, the limited block and the mutual longitudinal sliding motion of limiting slot cooperate.
An embodiment according to the present utility model, first fixture block and the second fixture block cooperate with fixture block groove.
An embodiment according to the present utility model, the clamping structure include connecting rod, the connecting rod upper end setting
There is mounting plate, the mounting plate is detachably connected by bolt and outer rubber plug lower end, and the connecting rod two sides are set to rotational pin,
And connecting rod is rotatably connected to movable block by rotational pin, is provided with spring between connecting rod on the inside of the movable block.
As shown from the above technical solution, the utility model has at least one of following advantages and good effect:
The utility model realizes preliminary anti-rotation by being provided with outer rubber plug on the outside of interior rubber plug, using limit clamping structure,
In the outside of outer rubber plug, setting shell carries out further anti-rotation again, while being also provided with clamping mechanism and realizing anti-rotation and upper bottom
It is anti-offset.Make whole fixed effect more preferably, stability is more preferable.
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, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of Cementing rubber plug anti-rotation device described in the utility model；
Fig. 2 is interior rubber plug structure top view in the utility model Fig. 1；
Fig. 3 is the China and foreign countries the utility model Fig. 1 rubber plug structure top view；
Fig. 4 is clamping mechanism schematic enlarged-scale view in the utility model Fig. 1.
The reference numerals are as follows:
Rubber plug in 1-, 11- colloid, 12- limited block, the first fixture block of 13-, the outer rubber plug of 2-, 21- accommodating groove, 22- fixture block groove,
23- limiting slot, 3- shell, the second fixture block of 31-, 32- connection card slot, 4- clamping mechanism, 41- connecting rod, 42- mounting plate, 43- turn
Dynamic pin, 44- movable block, 45- spring.
Specific embodiment
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Term
The orientation or state relation of the instructions such as "inner", "upper", "lower" are orientation based on the figure or state relation, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so as to the embodiments of the present invention described herein.
With reference to the accompanying drawing and specific embodiment is described in further detail the utility model.
Referring to Fig. 1,2,3,4, a kind of Cementing rubber plug anti-rotation device described in the utility model, including interior rubber plug 1, outer glue
Plug 2 and shell 3, interior rubber plug 1 include that colloid 11, limited block 12 and the first fixture block 13, limited block 12 are uniformly arranged on colloid 11
Outside, the first fixture block 13 are fixedly installed on 11 lower end of colloid, and outer rubber plug 2 includes accommodating groove 21, fixture block groove 22 and limiting slot 23, interior
Rubber plug 1 and accommodating groove 21 cooperate, and 21 lower end of accommodating groove is provided through fixture block groove 22, limit is provided on the outside of accommodating groove 21
Slot 23, shell 3 are sheathed on outer 2 outside of rubber plug, and 3 bottom of shell is fixedly installed the second fixture block 31, and 3 bottom of shell offers connection
Card slot 32, outer 2 lower end of rubber plug are removably connected with clamping mechanism 4, and clamping mechanism 4 cooperates with card slot 32 is connect.
It further explains, limited block 12 described in the utility model, the first fixture block 13 and the second fixture block 31 are provided with
Multiple groups, it is ensured that whole anti-rotation is fixed.Limited block 12 and the mutual longitudinal sliding motion of limiting slot 23 cooperate.First fixture block 13 and the second card
Block 32 cooperates with fixture block groove 22.Clamping structure 4 includes connecting rod 41, and 41 upper end of connecting rod is provided with mounting plate 42, is pacified
Loading board 42 is detachably connected by bolt and outer 2 lower end of rubber plug, and 41 two sides of connecting rod are set to rotational pin 43, and connecting rod 41 is logical
It crosses rotational pin 43 and is rotatably connected to movable block 44, be provided with spring 45, clamping mechanism 4 between 44 inside of movable block and connecting rod 41
After the movable block 44 of outside setting squeezes spring 45 by rotational pin 43, enter connection card slot 32 from connection 32 upper end of card slot, with
Hand spring 45 flicks movable block 44, realizes fixation of the clamping mechanism 4 in connection card slot 32, playing anti-rotation it is also possible to
Prevent whole upper the next offset.
One concrete application of the present embodiment are as follows: the utility model contacts sealing, shell by shell 3 and cementing slurry
3 outer applications have erosion resistant coating, increase the service life of shell 3.Interior rubber plug 1 is placed into outer rubber plug 2 and is set and its phase interworking
In the accommodating groove 21 of conjunction, the limiting slot 23 being arranged in the limited block 12 and accommodating groove 21 of 11 peripheral hardware of colloid cooperates, and realizes just
Anti-rotation is walked, is arranged by the anti-rotation that the first fixture block 13 and the fixture block groove 22 of 11 lower end of colloid are engaged by clamping again.Interior rubber plug 1
After the installation connection of outer rubber plug 2, shell 3 is socketed on outer 2 outside of rubber plug, the second fixture block of 3 lower end of shell setting from bottom to up
31 enter fixture block groove 22 from bottom to up fixes with after, while the clamping mechanism 4 of 2 lower end of outer rubber plug enters connection card slot
In 32, after the movable block 44 being arranged on the outside of clamping mechanism 4 squeezes spring 45 by rotational pin 43, enter from connection 32 upper end of card slot
Card slot 32 is connected, spring 45 flicks movable block 44 conveniently, realizes fixation of the clamping mechanism 4 in connection card slot 32, anti-playing
Turn it is also possible to prevent whole upper the next offset.
It should be appreciated that the utility model is not limited in its application to the detailed construction and arrangement of component proposed in this paper
Mode.The utility model can have other embodiments, and can realize and execute in many ways.Aforesaid deformation form
It is fallen in the scope of the utility model with modification.It should be appreciated that the utility model disclosed and defined herein extends
It is mentioned to text and/or drawings or all alternative combinations of two or more apparent independent features.It is described herein
Embodiment illustrate to become known for realize the best mode of the utility model, and those skilled in the art will be enable to utilize
The utility model.
Claims (5)
1. a kind of Cementing rubber plug anti-rotation device, including interior rubber plug, outer rubber plug and shell, which is characterized in that the interior rubber plug
Including colloid, limited block and the first fixture block, the limited block is uniformly arranged on the outside of colloid, the first fixture block fixed setting
In colloid lower end, the outer rubber plug includes accommodating groove, fixture block groove and limiting slot, and the interior rubber plug and accommodating groove cooperate, institute
It states accommodating groove lower end and is provided through fixture block groove, be provided with limiting slot on the outside of the accommodating groove, the shell is sheathed on outer rubber plug
Outside, the housing bottom are fixedly installed the second fixture block, and the housing bottom offers connection card slot, the outer rubber plug lower end
It is removably connected with clamping mechanism, the clamping mechanism cooperates with card slot is connect.
2. a kind of Cementing rubber plug anti-rotation device according to claim 1, which is characterized in that the limited block, first
Fixture block and the second fixture block are provided with multiple groups.
3. a kind of Cementing rubber plug anti-rotation device according to claim 1, which is characterized in that the limited block and limit
The mutual longitudinal sliding motion cooperation of slot.
4. a kind of Cementing rubber plug anti-rotation device according to claim 1, which is characterized in that first fixture block and
Two fixture blocks cooperate with fixture block groove.
5. a kind of Cementing rubber plug anti-rotation device according to claim 1, which is characterized in that the clamping mechanism includes
Connecting rod, the connecting rod upper end are provided with mounting plate, and the mounting plate is detachably connected by bolt and outer rubber plug lower end, institute
State connecting rod two sides and be set to rotational pin, and connecting rod is rotatably connected to movable block by rotational pin, on the inside of the movable block with
Spring is provided between connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500014.XU CN208763623U (en) | 2018-09-13 | 2018-09-13 | A kind of Cementing rubber plug anti-rotation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500014.XU CN208763623U (en) | 2018-09-13 | 2018-09-13 | A kind of Cementing rubber plug anti-rotation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208763623U true CN208763623U (en) | 2019-04-19 |
Family
ID=66135701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821500014.XU Expired - Fee Related CN208763623U (en) | 2018-09-13 | 2018-09-13 | A kind of Cementing rubber plug anti-rotation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208763623U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253037A (en) * | 2020-09-22 | 2021-01-22 | 中国石油天然气股份有限公司 | Well cementation isolating device |
| CN115874980A (en) * | 2023-03-08 | 2023-03-31 | 西南石油大学 | Sleeve-proof well cementation rubber plug and assembly method thereof |
-
2018
- 2018-09-13 CN CN201821500014.XU patent/CN208763623U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253037A (en) * | 2020-09-22 | 2021-01-22 | 中国石油天然气股份有限公司 | Well cementation isolating device |
| CN115874980A (en) * | 2023-03-08 | 2023-03-31 | 西南石油大学 | Sleeve-proof well cementation rubber plug and assembly method thereof |
| CN115874980B (en) * | 2023-03-08 | 2023-05-05 | 西南石油大学 | Anti-sleeve type well cementation rubber plug and assembly method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 Termination date: 20190913 |