CN206617106U - A kind of casing centering guide - Google Patents
A kind of casing centering guide Download PDFInfo
- Publication number
- CN206617106U CN206617106U CN201720321481.5U CN201720321481U CN206617106U CN 206617106 U CN206617106 U CN 206617106U CN 201720321481 U CN201720321481 U CN 201720321481U CN 206617106 U CN206617106 U CN 206617106U
- Authority
- CN
- China
- Prior art keywords
- righting
- erection device
- wall
- device body
- casing
- 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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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
A kind of casing centering guide, including erection device body and the first righting portion, the erection device body is socket type, its inwall is matched with oil well casing, the first righting portion is fixedly installed on the outer wall of the erection device body and being capable of righting oil well casing, the first righting portion includes 4 the first righting units, the first righting unit uniform array is fixedly installed on the outer wall of the erection device body, the first righting unit includes the rigid righting monomer of 4 linear formula arrangements, the rigid righting monomer is fixedly installed on the outer wall of erection device body, the rigid righting monomer includes righting wall and support feet, the righting wall is arc structure and coaxial with oil well casing, the support feet is fixedly connected between the outer wall of erection device body and righting wall, also include ball body on the surface of the righting wall, what the ball body can be rotated is embedded on the surface of the righting wall.
Description
Technical field
The utility model belongs to cementing equipment facility technology field, and in particular to a kind of casing centering guide.
Background technology
In the well cementing process of Oil/gas Well, drilling fluid is to influence the key factor of cementing quality, in the pipe string of tripping in
Upper jointing centralising device is the most simple effective method for improving drilling fluid, the casing centering commonly used in current casing and cementing
Main flexible two kinds of the centralizer and rigid centralizer of device.
For example, the patent document of Chinese utility model patent Application No. 201620144803.9 discloses a kind of sleeve pipe rolling
Centralizer is taken turns, is related to oil, natural gas cementing technology field, the rolling wheel centralizer has on the outside of centralizer main body, centralizer main body
Many pair rollers are respectively and fixedly provided with inner side, each pair roller is arranged in centralizer main body by axle.The roller of inner side passes through centralizer
Hole in main body protrudes from centralizer inwall and roller is parallel to centralizer axis；The roller in outside is protruded from outside centralizer main body
End face and roller shaft is perpendicular to centralizer axis.This sleeve pipe roller-type centralizer matches somebody with somebody the fashionable slip with the borehole wall under sleeve pipe
Close, can effectively reduce the frictional resistance that setting of casing is.In addition, between interior side wheel and sleeve pipe also for roll coordinate, when hole diameter not
When regular, the transverse component that the borehole wall during setting of casing is produced to the centralizer can be buffered, so as to mitigate the impact that is hampered, protection
The not frayed smooth tripping in of sleeve pipe ensured in work progress of sleeve pipe.Improve oil, natural gas cementing quality.
Utility model content
The utility model provides a kind of casing centering guide, and the erection device can be such that sleeve pipe smoothly transfers, additionally it is possible to
Ensure the centralizer of sleeve pipe.
A kind of casing centering guide, including erection device body and the first righting portion, the erection device body are sleeve
Type, its inwall is matched with oil well casing, and the first righting portion is fixedly installed on the outer wall of the erection device body and energy
Enough righting oil well casings, the first righting portion includes 4 the first righting units, and the first righting unit uniform array is fixed
On the outer wall for being arranged on the erection device body, the first righting unit includes the rigid righting of 4 linear formula arrangements
Monomer, the rigid righting monomer is fixedly installed on the outer wall of erection device body, and the rigid righting monomer includes righting
Wall and support feet, the righting wall are arc structure and coaxial with oil well casing, and the support feet is fixedly connected on erection device
Between the outer wall and righting wall of body, ball body is also included on the surface of the righting wall, it is embedding that the ball body can be rotated
On the surface of the righting wall.
Further, the first exhausting hole and the second exhausting hole, described first are also included on the erection device body surface
Exhausting hole top is erection device bodies top, in erection device body between first exhausting hole and the second exhausting hole
Portion, the second exhausting hole bottom is erection device body bottom portion.
Further, scuff-resistant coating is also included in the erection device inner body wall.
Further, described sleeve pipe erection device also includes the second righting portion, the uniform annular arrangement in the second righting portion
On the outer wall of the erection device body.
Further, the scuff-resistant coating is the abrasionproof blend stop being evenly distributed in the erection device inner body wall.
Further, the second righting portion includes 3 row's righting monomers, and the 3 row righting monomer is evenly spaced in respectively
Erection device bodies top, erection device body middle part and erection device body bottom portion.
Further, the righting monomer includes 4 righting units, and the righting unit uniform array is arranged in described help
Equipment bodies top, erection device body middle part and erection device body bottom portion, the righting unit are located at each two rigidity
Between righting monomer.
Further, the righting unit includes fixed bed, elastic layer and righting layer, and the fixed bed is fixed and fits in institute
On the outer wall for stating erection device body, the elastic layer is fixedly installed on the fixed bed, and the righting layer is fixedly installed on
On the elastic layer, the outer wall of the righting layer is arc, and the righting layer is coaxial with the oil well casing.
Further, the elastic layer is quality of rubber materials.
Compared with prior art, superior effect of the present utility model is：
Casing centering guide described in the utility model, by being equipped with erection device body and the first righting portion, makes
Described sleeve pipe erection device is simple in construction；By being equipped with rigid righting monomer and righting unit, fill described sleeve pipe righting
Put righting effect good.
Brief description of the drawings
Fig. 1 is the structural representation of casing centering guide described in the utility model；
Fig. 2 is the structural representation in the first righting portion described in the utility model；
Fig. 3 is the structural representation in the second righting portion described in the utility model.
Reference is as follows：
1- erection devices body, the exhausting holes of 11- first, the exhausting holes of 12- second, 13- scuff-resistant coatings, the first rightings of 2- portion, 21-
The rigid righting monomer of first righting unit, 211-, 2111- rightings wall, 2112- support feets, 2113- ball bodies, the rightings of 3- second
Portion, 31- rightings monomer, 311- rightings unit, the same given layers of 3111-, 3112- elastic layers, 3113- rightings layer.
Embodiment
The utility model embodiment is described in further detail below.
As illustrated in the accompanying drawings from 1 to 3, a kind of casing centering guide, including the righting portion 2 of erection device body 1 and first, it is described to help
Equipment body 1 is socket type, and its inwall is matched with oil well casing, and the first righting portion 2 is fixedly installed on the righting dress
Put on the outer wall of body 1 and can righting oil well casing, the first righting portion 2 includes 4 the first righting units 21, described the
The uniform array of one righting unit 21 is fixedly installed on the outer wall of the erection device body 1, and the first righting unit 21 is wrapped
The rigid righting monomer 211 of 4 linear formula arrangements is included, the rigid righting monomer 211 is fixedly installed on erection device body 1
Outer wall on, the rigid righting monomer 211 include righting wall 2111 and support feet 2112, the righting wall 2111 be arcuation knot
Structure is simultaneously coaxial with oil well casing, the support feet 2112 be fixedly connected on erection device body 1 outer wall and righting wall 2111 it
Between, ball body 2113 is also included on the surface of the righting wall 2111, what the ball body 2113 can be rotated is embedded in described help
On the surface of positive wall 2111.
Also include the first exhausting hole 11 and the second exhausting hole 12 on the surface of erection device body 1, the first row leads to
The top of hole 11 is in erection device body between erection device bodies top, the exhausting hole 12 of the first exhausting hole 11 and second
Portion, the bottom of the second exhausting hole 12 is erection device body bottom portion.
Also include scuff-resistant coating 13 on the inwall of erection device body 1.
Described sleeve pipe erection device also includes the second righting portion 3, and the uniform annular in the second righting portion 3 is arranged in described help
On the outer wall of equipment body 1.
The scuff-resistant coating 13 is the abrasionproof blend stop being evenly distributed on the inwall of erection device body 1.
The second righting portion includes 3 row's righting monomers 31, and the 3 row righting monomer 31 is evenly spaced in righting dress respectively
Put bodies top, erection device body middle part and erection device body bottom portion.
The righting monomer 31 includes 4 righting units 311, and the uniform array of righting unit 311 is arranged in described help
Equipment bodies top, erection device body middle part and erection device body bottom portion, it is firm that the righting unit 311 is located at each two
Between property righting monomer 211.
The righting unit 311 includes fixed bed 3111, elastic layer 3112 and righting layer 3113, and the fixed bed 3111 is consolidated
Surely on the outer wall for fitting in the erection device body 1, the elastic layer 3112 is fixedly installed on the fixed bed 3111, institute
State righting layer 3113 to be fixedly installed on the elastic layer 3112, the outer wall of the righting layer 3112 is arc, the righting layer
3112 is coaxial with the oil well casing.
The elastic layer 3112 is quality of rubber materials.
The utility model is not limited to above-mentioned embodiment, in the case of without departing substantially from substantive content of the present utility model,
It may occur to persons skilled in the art that any deformation, improvement, replace each fall within protection domain of the present utility model.
Claims (9)
1. a kind of casing centering guide, including erection device body and the first righting portion, the erection device body are socket type,
Its inwall is matched with oil well casing, and the first righting portion is fixedly installed on the outer wall of the erection device body and can helped
Positive oil well casing, it is characterised in that the first righting portion includes 4 the first righting units, the first righting unit is uniform
Array is fixedly installed on the outer wall of the erection device body, and the first righting unit includes what 4 linear formulas were arranged
Rigid righting monomer, the rigid righting monomer is fixedly installed on the outer wall of erection device body, the rigid righting monomer
Including righting wall and support feet, the righting wall is arc structure and coaxial with oil well casing, and the support feet is fixedly connected on
Between the outer wall and righting wall of erection device body, ball body is also included on the surface of the righting wall, the ball body can
What is rotated is embedded on the surface of the righting wall.
2. casing centering guide according to claim 1, it is characterised in that also include on the erection device body surface
First exhausting hole and the second exhausting hole, the first exhausting hole top be erection device bodies top, first exhausting hole and
For in the middle part of erection device body, the second exhausting hole bottom is erection device body bottom portion between second exhausting hole.
3. casing centering guide according to claim 1, it is characterised in that also include in the erection device inner body wall
Scuff-resistant coating.
4. casing centering guide according to claim 2, it is characterised in that described sleeve pipe erection device is also helped including second
Positive portion, the uniform annular in the second righting portion is arranged on the outer wall of the erection device body.
5. casing centering guide according to claim 3, it is characterised in that the scuff-resistant coating is helped described in being evenly distributed on
Abrasionproof blend stop in equipment inner body wall.
6. casing centering guide according to claim 4, it is characterised in that the second righting portion includes 3 row's righting lists
Body, the 3 row righting monomer is evenly spaced in erection device bodies top, erection device body middle part and erection device sheet respectively
Body bottom.
7. casing centering guide according to claim 6, it is characterised in that the righting monomer includes 4 righting units,
The righting unit uniform array is arranged in the erection device bodies top, erection device body middle part and erection device body
Bottom, the righting unit is located between the rigid righting monomer of each two.
8. casing centering guide according to claim 7, it is characterised in that the righting unit includes fixed bed, elasticity
Layer and righting layer, the fixed bed are fixed and fitted on the outer wall of the erection device body, and the elastic layer is fixedly installed on
On the fixed bed, the righting layer is fixedly installed on the elastic layer, and the outer wall of the righting layer is arc, the righting
Layer is coaxial with the oil well casing.
9. casing centering guide according to claim 8, it is characterised in that the elastic layer is quality of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321481.5U CN206617106U (en) | 2017-03-29 | 2017-03-29 | A kind of casing centering guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321481.5U CN206617106U (en) | 2017-03-29 | 2017-03-29 | A kind of casing centering guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206617106U true CN206617106U (en) | 2017-11-07 |
Family
ID=60234544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720321481.5U Expired - Fee Related CN206617106U (en) | 2017-03-29 | 2017-03-29 | A kind of casing centering guide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206617106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958275A (en) * | 2021-12-22 | 2022-01-21 | 东营圭璋海洋科技有限公司 | Casing centralizer for oil exploitation |
-
2017
- 2017-03-29 CN CN201720321481.5U patent/CN206617106U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958275A (en) * | 2021-12-22 | 2022-01-21 | 东营圭璋海洋科技有限公司 | Casing centralizer for oil exploitation |
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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 |
Granted publication date: 20171107 Termination date: 20180329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |