CN208777924U - Rib diameter-changing centering guide is revolved in full righting - Google Patents
Rib diameter-changing centering guide is revolved in full righting Download PDFInfo
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- CN208777924U CN208777924U CN201821525804.3U CN201821525804U CN208777924U CN 208777924 U CN208777924 U CN 208777924U CN 201821525804 U CN201821525804 U CN 201821525804U CN 208777924 U CN208777924 U CN 208777924U
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- strengthening tablets
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Abstract
The utility model relates to centralizer technical fields, are a kind of full righting rotation rib diameter-changing centering guides；It includes rotation prism, flexible body resistance-strengthening tablets component, plunger, filler and solvable packing；Rotation prism includes that open tubular column and at least two curl up the righting rotation rib of protrusion outside open tubular column；Formed liquid channel between adjacent righting rotation rib, projection of each righting rotation rib outer rim on bottom surface is overlapped mutually to form 360 ° of circular projection；Flexible body resistance-strengthening tablets component is separately installed on each righting rotation rib；The utility model reasonable and compact in structure, it is easy to use；By chance water/chance oil extruding of filler, pushes piston that will push away flexible body resistance-strengthening tablets component outward and prop up, to realize variable diameter, can be used in the big well section of wellbore；The outer edge of each righting rotation rib forms a continuous circular contour simultaneously, which can make this centralizer be in the middle position of wellbore always, realize 360 ° of complete cycle righting, and it is placed in the middle to be also able to maintain righting in the serious wellbore of deformation.
Description
Technical field
The utility model relates to centralizer technical fields, are a kind of full righting rotation rib diameter-changing centering guides.
Background technique
Currently, in solid, completion practice, for the centralizer for guaranteeing cement sealing quality, ensuring casing, in casing tripping in
Cheng Zhong adds a certain number of casing stabbing boards in its pipe string；And there are mainly two types of common centralizers, i.e., rigid righting
Device and elastic centralizer, but general rigid centralizer is since wiper block and wellbore are in parallelly distribute on, it is serious in some deformations
Wellbore in cannot effective righting casing, be not furthermore able to satisfy casing since outer diameter is fixed in the biggish well section of some wellbores
Requirement placed in the middle.
Summary of the invention
The utility model provides a kind of full righting rotation rib diameter-changing centering guide, overcomes the defects of the prior art,
Can effectively solve existing centralizer can not deform the serious and biggish well section of wellbore, can not play centralizing function placed in the middle
Problem.
The technical solution of the utility model is realized by following measures: a kind of full righting rotation rib diameter-changing centering guide,
Including rotation prism, flexible body resistance-strengthening tablets component, plunger, filler and solvable packing；Revolving prism includes open tubular column and at least two
Curl up the righting rotation rib of the protrusion outside open tubular column；Liquid channel was formed between adjacent righting rotation rib, each righting rotation 2 outer rim of rib exists
Projection on bottom surface is overlapped mutually to form 360 ° of circular projection；Flexible body resistance-strengthening tablets group is separately installed on each righting rotation rib
Part；Flexible body resistance-strengthening tablets component include it is at least one set of mutually cover and can extend the upper body resistance-strengthening tablets and lower body resistance-strengthening tablets that limit, upper body resistance-strengthening tablets with
Lower body resistance-strengthening tablets are respectively elastic piece；Be alternatively arranged on righting rotation rib on the inside of flexible body resistance-strengthening tablets component along righting rotation rib be distributed with to
Few two extend inwardly to the radial hole of open tubular column inner cavity, and the outer end of each radial hole, which is mounted, the radially-protruding column of energy
It fills in, filled with that can meet water or meet the filler of oil progress extruding reaction in the radial hole on the inside of plunger, in the inner port of radial hole
Place's sealing, which is fixedly installed with, to insulate the solvable packing in radial hole for filler；Solvable packing is that can be dissolved in water or dissolve in oil
Soluble material packing.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
Above-mentioned righting rotation rib top and bottom are respectively equipped with the link of outwardly convex, and the upper end of upper body resistance-strengthening tablets is fixed with extension
Ear, upper body resistance-strengthening tablets upper end are suspended on righting by upper hangers and revolve at the link of rib upper end；The lower end of lower body resistance-strengthening tablets is fixed with lower extension
Ear, lower body resistance-strengthening tablets lower end are suspended on righting by lower hangers and revolve at the link of rib lower end.
Above-mentioned upper body resistance-strengthening tablets include the mutual running-on section of limit of the plate body section one of middle and upper part, the overlay segment one of lower part and lower end
One；Straight down, overlay segment one is inclined outwardly plate body section one, is limited mutual running-on section one and is sloped inwardly and be equipped on its inclined surface
Mutual running-on one；Lower body resistance-strengthening tablets include the mutual running-on section two of limit of the plate body section two of middle and lower part, the overlay segment two on top and upper end；Plate
Body section two is in a vertical shape, and overlay segment two slopes inwardly, and overlapped with overlay segment one；Mutual running-on section two is limited to be inclined outwardly simultaneously
Mutual running-on two is equipped on its inclined surface, lower body resistance-strengthening tablets upper end is sleeved on one upside of body resistance-strengthening tablets overlay segment by mutual running-on two
In plate body section one；Upper body resistance-strengthening tablets lower end is sleeved in the plate body section two of lower two downside of body resistance-strengthening tablets overlay segment by mutual running-on one；On
Hangers is fixed on the upper end two sides of plate body section one；Lower hangers is fixed on the lower end two sides of plate body section two.
The top of above-mentioned righting rotation rib is outer inclined-plane obliquely；The bottom end that rib is revolved in righting is outer inclined-plane obliquely.
Above-mentioned solvable packing is using soluble foam packing；Or/and filler is expanded rubber filler.
The utility model reasonable and compact in structure, it is easy to use；By chance water/chance oil extruding of filler, push piston to
It is outer to push away flexible body resistance-strengthening tablets component and prop up, to realize variable diameter, it can carry out increasing diameter adjusting according to the size of wellbore, compared to outer
Diameter fixes centralizer, has certain variable diameter to adjust space, can pass through variable diameter reality in the case where wellbore is greater than centralizer outer diameter
Existing righting, the scope of application are wider；The outer edge of each righting rotation rib forms a continuous circular contour, the circular contour energy simultaneously
So that this centralizer is in the middle position of wellbore always, realize 360 ° of complete cycle righting, also can deforming serious wellbore
Keep righting placed in the middle, righting effect is good.
Detailed description of the invention
Attached drawing 1 is the schematic perspective view that prism is revolved in the utility model.
Attached drawing 2 is the overlooking structure diagram for revolving prism.
Attached drawing 3 is the schematic view of the front view of flexible body resistance-strengthening tablets component.
Attached drawing 4 is the left view structural representation of attached drawing 3.
Attached drawing 5 is the local expansion structural schematic diagram of the best embodiment of the utility model.
Attached drawing 6 be attached drawing 5 in partial enlargement structural representation from A-A to section view.
Coding in attached drawing is respectively as follows: 1 and revolves rib for open tubular column, 2 for righting, and 3 be liquid channel, and 4 be upper body resistance-strengthening tablets, and 5 are
Lower body resistance-strengthening tablets, 6 be radial hole, and 7 be plunger, and 8 be filler, and 9 be solvable packing, and 10 be link, and 11 be upper hangers, and 12 be lower extension
Ear, 41 be plate body section one, and 42 be overlay segment one, and 43 is limit mutual running-on section one, and 51 be plate body section two, and 52 be overlay segment two, 53
To limit mutual running-on section two.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: the positional relationship of upper and lower, left and right is the Butut according to Figure of description 1
Direction determines.
The utility model is further described below with reference to examples and drawings:
As shown in attached drawing 1,2,5,6, full righting rotation rib diameter-changing centering guide include rotation prism, flexible body resistance-strengthening tablets component,
Plunger 7, filler 8 and solvable packing 9；Rotation prism includes that open tubular column 1 and at least two curl up helping for protrusion outside open tubular column 1
Dextrorotation rib 2；Liquid channel 3 was formed between adjacent righting rotation rib 2, projection of each righting rotation 2 outer rim of rib on bottom surface is overlapped mutually
Form 360 ° of circular projection；Flexible body resistance-strengthening tablets component is separately installed on each righting rotation rib 2；Flexible body resistance-strengthening tablets component packet
At least one set of upper body resistance-strengthening tablets 4 and lower body resistance-strengthening tablets 5 mutually covered and limit can be extended are included, upper body resistance-strengthening tablets 4 and lower body resistance-strengthening tablets 5 are respectively bullet
Property piece；It is alternatively arranged on righting rotation rib 2 on the inside of flexible body resistance-strengthening tablets component along righting rotation rib 2 and is distributed at least two and extends internally
To the radial hole 6 of 1 inner cavity of open tubular column, the outer end of each radial hole 6, which is mounted, the radially-protruding plunger 7 of energy, 7 inside of plunger
Radial hole 6 in filled with that can meet water or meet the filler 8 that oil carries out extruding reaction, sealed at the inner port of radial hole 6 solid
Dingan County, which is equipped with, to insulate the solvable packing 9 in radial hole 6 for filler 8；Solvable packing 9 be can be dissolved in water or it is oil-soluble can
The packing of soluble materials.
In use, this centralizer is with bunch tube G.I.H；After pipe string is lowered into designated position, into well, injection can be incited somebody to action
After solvable packing 9 dissolves and dissolves the liquid of 8 extruding of filler, liquid by solvable packing 9, extruding further occurs with filler 8
Reaction, filler 8 expand outward and plunger 7 are pushed to jack up upper body resistance-strengthening tablets 4 and lower body resistance-strengthening tablets 5 outward, help body resistance-strengthening tablets 4 under
Positive 5 is presented the state arched and acts on the inside of the borehole wall, realizes the righting of bunch tube；Wherein, upper body resistance-strengthening tablets 4 and lower body resistance-strengthening tablets
There is certain elongation between 5, with the driving of 8 extruding of filler, this elongation is converted to the outer diameter variable to arch outward, with
The effect of 8 extruding of filler, the outer diameter that arches of upper body resistance-strengthening tablets 4 and lower body resistance-strengthening tablets 5 be gradually increased therewith, until body resistance-strengthening tablets act on
On the borehole wall, casing centering is realized；It is this to can be realized the centralizer for increasing diameter, compared to the fixed centralizer of outer diameter, have certain
Variable diameter adjusts space, and the scope of application is wider；Meanwhile curling up projection of rotation 2 outer rim of rib of each righting outside open tubular column 1 on bottom surface
It is overlapped mutually to form 360 ° of circular projection, i.e., the outer edge of each righting rotation rib 2 forms a continuous circular contour, the circle
Profile can make this centralizer be in the middle position of wellbore always, realize 360 ° of complete cycle righting, deform serious wellbore
Also it is placed in the middle to be able to maintain righting, righting effect is good.
Above-mentioned full righting rotation rib diameter-changing centering guide can be made further optimization and/or improvements according to actual needs:
As shown in attached drawing 1,2,5, the link 10 of outwardly convex, upper righting are respectively equipped in righting rotation 2 top and bottom of rib
The upper end of piece 4 is fixed with hangers 11, and upper 4 upper end of body resistance-strengthening tablets is suspended on the link 10 that 2 upper end of rib is revolved in righting by upper hangers 11
Place；The lower end of lower body resistance-strengthening tablets 5 is fixed with lower hangers 12, and lower 5 lower end of body resistance-strengthening tablets is suspended on righting by lower hangers 12 and revolves 2 lower end of rib
Link 10 at.It not only can guarantee the connection of body resistance-strengthening tablets 4 and lower body resistance-strengthening tablets 5 in this way；It can also be in upper body resistance-strengthening tablets 4 and lower body resistance-strengthening tablets
5 when arching outward, gives the radial space being bent outwardly because arching deformation, satisfies the use demand.
As shown in attached drawing 3,4, upper body resistance-strengthening tablets 4 include the plate body section 1 of middle and upper part, the overlay segment 1 of lower part and lower end
The mutual running-on section 1 of limit；Straight down, overlay segment 1 is inclined outwardly plate body section 1, limits mutual running-on section 1 inwardly
It tilts and is equipped with mutual running-on one on its inclined surface；Lower body resistance-strengthening tablets 5 include the overlay segment two of the plate body section 2 51 of middle and lower part, top
52 and upper end the mutual running-on section 2 53 of limit；Plate body section 2 51 is in a vertical shape, overlay segment 2 52 slope inwardly, and with overlay segment one
42 is overlapped；It limits mutual running-on section 2 53 to be inclined outwardly and be equipped with mutual running-on two on its inclined surface, lower 5 upper end of body resistance-strengthening tablets is logical
Mutual running-on two is crossed to be sleeved in the plate body section 1 of 4 overlay segment of body resistance-strengthening tablets, one 42 upside；Upper 4 lower end of body resistance-strengthening tablets passes through mutual running-on
One is sleeved in the plate body section 2 51 of lower 5 overlay segment of body resistance-strengthening tablets, 2 52 downside；Upper hangers 11 is fixed on the upper end of plate body section 1
Two sides；Lower hangers 12 is fixed on the lower end two sides of plate body section 2 51.
Wherein, upper body resistance-strengthening tablets 4 and lower body resistance-strengthening tablets 5 are after arching, by limiting mutual running-on section 1 and limiting mutual running-on section
It is offseted between 2 53 to realize limit；Its elongation is the sum of overlay segment 1 and overlay segment 2 52, can pass through overlay segment 1
The variable diameter range of this centralizer is adjusted with the length of overlay segment 2 52.
As shown in attached drawing 1,5, the top that rib 2 is revolved in righting is outer inclined-plane obliquely；The bottom end that rib 2 is revolved in righting is outer oblique
On inclined-plane.Inclined-plane plays the role of importing, further facilitates this diameter-changing centering guide and enters well.
As needed, solvable packing 9 is using soluble foam packing；Or/and filler 8 is expanded rubber filler.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (6)
1. rib diameter-changing centering guide is revolved in a kind of full righting, it is characterised in that including rotation prism, flexible body resistance-strengthening tablets component, plunger, fill out
Material and solvable packing；Rotation prism includes that open tubular column and at least two curl up the righting rotation rib of protrusion outside open tubular column；It is adjacent
Liquid channel was formed between righting rotation rib, and projection of each righting rotation rib outer rim on bottom surface is overlapped mutually to form 360 ° of round throwing
Shadow；Flexible body resistance-strengthening tablets component is separately installed on each righting rotation rib；Flexible body resistance-strengthening tablets component includes at least one set of mutually covers simultaneously
The upper body resistance-strengthening tablets and lower body resistance-strengthening tablets of limit can be extended, upper body resistance-strengthening tablets and lower body resistance-strengthening tablets are respectively elastic piece；Flexible body resistance-strengthening tablets component
It is alternatively arranged on the righting rotation rib of inside along righting rotation rib and at least two radial holes for extending inwardly to open tubular column inner cavity is distributed with,
The outer end of each radial hole be mounted have can radially-protruding plunger, in the radial hole on the inside of plunger filled with can meet water or
The filler that oil carries out extruding reaction is met, sealing, which is fixedly installed with, at the inner port of radial hole to insulate filler in radial hole
Solvable packing；Solvable packing is the packing that can be dissolved in water or oil-soluble soluble material.
2. rib diameter-changing centering guide is revolved in full righting according to claim 1, it is characterised in that rib top and bottom point are revolved in righting
Not She You outwardly convex link, the upper end of upper body resistance-strengthening tablets is fixed with hangers, and upper body resistance-strengthening tablets upper end is suspended on by upper hangers
Righting is revolved at the link of rib upper end；The lower end of lower body resistance-strengthening tablets is fixed with lower hangers, and lower body resistance-strengthening tablets lower end is suspended on by lower hangers
Righting is revolved at the link of rib lower end.
3. rib diameter-changing centering guide is revolved in full righting according to claim 2, it is characterised in that upper body resistance-strengthening tablets include middle and upper part
The mutual running-on section one of the limit of plate body section one, the overlay segment one of lower part and lower end；Straight down, overlay segment one leans outward plate body section one
Tiltedly, mutual running-on section one is limited to slope inwardly and be equipped with mutual running-on one on its inclined surface；Lower body resistance-strengthening tablets include the plate body of middle and lower part
Section two, the mutual running-on section two of limit of the overlay segment two on top and upper end；Plate body section two is in a vertical shape, and overlay segment two slopes inwardly,
And it is overlapped with overlay segment one；Mutual running-on section two is limited to be inclined outwardly and be equipped with mutual running-on two, lower righting on its inclined surface
Piece upper end is sleeved in the plate body section one of upper one upside of body resistance-strengthening tablets overlay segment by mutual running-on two；Upper body resistance-strengthening tablets lower end is by mutually covering
Mouth one is sleeved in the plate body section two of lower two downside of body resistance-strengthening tablets overlay segment；Upper hangers is fixed on the upper end two sides of plate body section one；Under
Hangers is fixed on the lower end two sides of plate body section two.
4. rib diameter-changing centering guide is revolved in full righting according to claim 1 or 2 or 3, it is characterised in that the top of righting rotation rib
For inclined-plane outside obliquely；The bottom end that rib is revolved in righting is outer inclined-plane obliquely.
5. rib diameter-changing centering guide is revolved in full righting according to claim 1 or 2 or 3, it is characterised in that solvable packing uses can
Dissolubility foam packing；Or/and filler is expanded rubber filler.
6. rib diameter-changing centering guide is revolved in full righting according to claim 4, it is characterised in that solvable packing uses solvable sex vesicle
Foam packing；Or/and filler is expanded rubber filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525804.3U CN208777924U (en) | 2018-09-18 | 2018-09-18 | Rib diameter-changing centering guide is revolved in full righting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525804.3U CN208777924U (en) | 2018-09-18 | 2018-09-18 | Rib diameter-changing centering guide is revolved in full righting |
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| Publication Number | Publication Date |
|---|---|
| CN208777924U true CN208777924U (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821525804.3U Active CN208777924U (en) | 2018-09-18 | 2018-09-18 | Rib diameter-changing centering guide is revolved in full righting |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324365A (en) * | 2020-12-02 | 2021-02-05 | 中国石油集团渤海钻探工程有限公司 | Degradable hollow edge centralizer |
| CN114412382A (en) * | 2021-12-31 | 2022-04-29 | 百斯迈奇能源技术服务（深圳）有限公司 | Centralizer and oil well equipment |
| CN115199223A (en) * | 2021-04-12 | 2022-10-18 | 中国石油化工股份有限公司 | Intelligent control liner hanger running tool and throwing type annunciator |
-
2018
- 2018-09-18 CN CN201821525804.3U patent/CN208777924U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324365A (en) * | 2020-12-02 | 2021-02-05 | 中国石油集团渤海钻探工程有限公司 | Degradable hollow edge centralizer |
| CN115199223A (en) * | 2021-04-12 | 2022-10-18 | 中国石油化工股份有限公司 | Intelligent control liner hanger running tool and throwing type annunciator |
| CN115199223B (en) * | 2021-04-12 | 2024-04-26 | 中国石油化工股份有限公司 | Intelligent control liner hanger running tool and throwing type annunciator |
| CN114412382A (en) * | 2021-12-31 | 2022-04-29 | 百斯迈奇能源技术服务（深圳）有限公司 | Centralizer and oil well equipment |
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