CN209483282U - High pressure water injection Inflatable type packer rubber sleeve - Google Patents
High pressure water injection Inflatable type packer rubber sleeve Download PDFInfo
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- CN209483282U CN209483282U CN201821982522.6U CN201821982522U CN209483282U CN 209483282 U CN209483282 U CN 209483282U CN 201821982522 U CN201821982522 U CN 201821982522U CN 209483282 U CN209483282 U CN 209483282U
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- steel disc
- high pressure
- compression ring
- water injection
- pressure water
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Abstract
The utility model is a kind of high pressure water injection Inflatable type packer rubber sleeve, including the identical top connection of structure and lower contact, steel disc assembling cylindrical skeleton is fixedly connected between top connection and lower contact, steel disc assembling cylindrical skeleton outer wall is arranged outer packing element, and steel disc assembling tubular inboard wall of skeleton is arranged interior packing element；The identical upper compression ring of structure and lower compression ring is respectively set in the both ends of interior packing element and steel disc assembling cylindrical skeleton, upper compression ring outer end is fixed with the upper baffle ring for being threadedly connected to top connection inner wall, and lower compression ring outer end is fixed with the lower baffle ring for being threadedly connected to lower contact inner wall.The utility model high pressure water injection Inflatable type packer rubber sleeve, using high strength and high flexibility steel disc, seal length can reach 1500mm, improve the long-term high pressure sealing requirement of packer；Guarantee High Pressure Water Injection String after stopping note or backwash process, still is able to receiving high pressure sealing and conciliates normal recycling of being honored as a queen.
Description
Technical field
The utility model is the inflatable packer used in a kind of high pressure water injection technique more particularly to a kind of high pressure
Fill the water Inflatable type packer rubber sleeve.
Background technique
For low yield low permeability formation, high pressure water injection is a kind of increasing yield and injection technique being in daily use, and usual water injection pressure can
Up to 30MPa or more, the types packers such as Y341, Y441, K341 and K344 are applicable in, are since string creep causes under normal circumstances
Seal failure.Existing common Inflatable type packer rubber sleeve seal section is in 500mm or so, using spring leaf, steel wire or nylon
For cord as skeleton, sealing timeliness is shorter, is not able to satisfy the purpose of long-term high pressure sealing.
The present inventor based on years of experience and practice in relevant industries, proposes a kind of high pressure water injection expanding as a result,
Packing element, to overcome the deficiencies of existing technologies.
Utility model content
The purpose of this utility model is to provide a kind of high pressure water injection Inflatable type packer rubber sleeves, using high strength and high flexibility steel
Piece, to improve the long-term high pressure sealing requirement of packer.
The purpose of this utility model is achieved in that a kind of high pressure water injection Inflatable type packer rubber sleeve, including structure phase
Same top connection and lower contact, is fixedly connected with steel disc assembling cylindrical skeleton between top connection and lower contact, and steel disc assembles tubular
Skeleton outer wall is arranged outer packing element, and steel disc assembling tubular inboard wall of skeleton is arranged interior packing element；Interior packing element and steel disc assemble cylindrical skeleton
The identical upper compression ring of structure and lower compression ring is respectively set in both ends, and upper compression ring outer end, which is fixed with, is threadedly connected to top connection
The upper baffle ring of inner wall, lower compression ring outer end are fixed with the lower baffle ring for being threadedly connected to lower contact inner wall；
Steel disc assembling cylindrical skeleton is folded in the width direction by multiple strips and the arc-shaped steel disc of width direction
Press the cylindrical skeleton constituted；Steel disc assembling cylindrical skeleton one end is arranged in top connection inner wall and is welded and fixed, and steel disc assembles tubular
The skeleton other end is arranged in lower contact inner wall and is welded and fixed.
In a better embodiment of the utility model, the length of steel disc is 1500mm；The width of steel disc width is
30mm；Steel plate thickness is 1~3mm.
In a better embodiment of the utility model, upper compression ring and lower compression ring are one end annular surface in inclined-plane
Conical ring；The conical surface of upper compression ring and lower compression ring is pressed against respectively in the end of interior packing element and steel disc assembling cylindrical skeleton.
In a better embodiment of the utility model, steel disc assembling cylindrical skeleton outer surface is coated with diamond dust, sprays
Sand external coating has adhesive.
In a better embodiment of the utility model, upper baffle ring, lower baffle ring, upper compression ring, lower compression ring and interior glue
The internal diameter of cylinder is identical.
From the above mentioned, the utility model is a kind of long-term pressure bearing and seal packing element of high pressure water injection inflatable packer, is used
High strength and high flexibility steel disc, seal length can reach 1500mm, improve the long-term high pressure sealing requirement of packer；It is able to solve height
Pressure injection water pipe column be used for a long time atmospheric pressure sealed failure the problem of, guarantee High Pressure Water Injection String through stopping note or backwash process after,
It still is able to receiving high pressure sealing and conciliates normal recycling of being honored as a queen.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1: for the structural schematic diagram of the utility model high pressure water injection Inflatable type packer rubber sleeve.
Fig. 2: for the cross-sectional cut-away structural schematic diagram of the utility model high pressure water injection Inflatable type packer rubber sleeve.
Fig. 3: for partial enlargement structural representation at I in Fig. 2.
Fig. 4: for the structural schematic diagram of top connection in the utility model.
Fig. 5: for the structural schematic diagram of compression ring upper in the utility model.
Fig. 6: for the structural schematic diagram of upper baffle ring in the utility model.
Drawing reference numeral:
100, high pressure water injection Inflatable type packer rubber sleeve；
11, top connection；
111, internal screw thread；
12, lower contact；
21, upper compression ring；
211, inclined-plane；
22, lower compression ring；
31, upper baffle ring；
311, external screw thread；
32, lower baffle ring；
4, steel disc assembles cylindrical skeleton；
41, steel disc；
5, outer packing element；
6, interior packing element.
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.
In addition to non-individual defines the direction pointed out, the upper and lower equal directions being referred to herein are with the utility model
Shown in subject to upper and lower equal directions in Fig. 1, illustrate in this together.
As shown in Fig. 1~Fig. 6, the utility model proposes a kind of high pressure water injection Inflatable type packer rubber sleeves 100, including structure
Identical top connection 11 and lower contact 12 are fixedly connected with steel disc assembling cylindrical skeleton 4 between top connection 11 and lower contact 12,
Steel disc assembling 4 outer wall of cylindrical skeleton is arranged outer packing element 5, and steel disc assembling 4 inner wall of cylindrical skeleton is arranged interior packing element 6；Interior packing element 6 and steel
The identical upper compression ring 21 of structure and lower compression ring 22, upper 21 outer end of compression ring is respectively set in the both ends of piece assembling cylindrical skeleton 4
It is fixed with the upper baffle ring 31 for being threadedly connected to 11 inner wall of top connection, lower 22 outer end of compression ring, which is fixed with to be threadedly connected to down, to be connect
The lower baffle ring 32 of first 12 inner wall；
As shown in Figure 2 and Figure 3, steel disc assembling cylindrical skeleton 4 is by multiple strips and the arc-shaped steel of width direction
Piece 41 laminates the cylindrical skeleton of composition in the width direction；Steel disc assembling 4 one end of cylindrical skeleton is arranged in 11 inner wall of top connection and welds
Fixation is connect, steel disc assembling 4 other end of cylindrical skeleton is arranged in 12 inner wall of lower contact and is welded and fixed.Upper baffle ring 31, lower baffle ring 32,
Upper compression ring 21, lower compression ring 22 are identical with the internal diameter of interior packing element 6.
Further, in the present embodiment, the length of each steel disc 41 is 1500mm；The width of steel disc width is 30mm；Steel
Piece is with a thickness of 1~3mm.
As shown in figure 4,11 inner wall of top connection is equipped with internal screw thread 111；As shown in fig. 6,31 outer wall of upper baffle ring is equipped with external screw thread
311；Upper compression ring 21 and lower compression ring 22 are the conical ring that one end annular surface is in inclined-plane；Upper compression ring 21 and lower compression ring 22
The conical surface is pressed against respectively in the end of interior packing element 6 and steel disc assembling cylindrical skeleton 4.As shown in figure 5, one end of upper compression ring 21
Annular surface is in inclined-plane 211；
In the present embodiment, steel disc assembling 4 outer surface of cylindrical skeleton is coated with diamond dust, and sand blasted surface is painted with bonding
Agent.
The specific manufacture craft of the utility model high pressure water injection Inflatable type packer rubber sleeve 100 is as follows:
Special materials steel disc 41 with certain elasticity and toughness is put into steel disc molding machine, in 41 width direction of steel disc
It according to certain radian compacting, is cut in the longitudinal direction, and edge is polished smooth；Steel disc 41 is successively arranged again
It is listed on fixture, is fixed on 12 end of top connection 11 and lower contact after reaching design quantity, using welding robot automatic welding,
Pad is handled using polishing machine.In the present embodiment, the end of steel disc assembling cylindrical skeleton 4 be penetrate on (or insertion),
Lower contact inner wall is simultaneously welded and fixed, and the weld seam at the both ends of insertion linkage section will weld.Then, using sand-blasting machine in steel disc table
Face (that is: steel disc assemble 4 outer surface of cylindrical skeleton) metal spraying emery, the sand blasted surface handled brushwork adhesive again.Outer packing element 5 is
Using the sizing material that hardness is big, elasticity is good, fatigue performance is good, it is wrapped in steel disc assembling 4 outer surface of cylindrical skeleton, in vulcanizing tank
After carrying out one section and post vulcanization, vehicle goes out what the thickness needed was formed.Interior packing element 6 is using hardness is small, elasticity is good, fatigue durability
The good sizing material of energy, is wrapped on a base tube, carries out one section and post vulcanization in vulcanizing tank, vehicle goes out made of the thickness needed.It will
Interior packing element 6 is inserted in steel disc assembling 4 inner wall of cylindrical skeleton, and both ends use upper compression ring 21 and lower compression ring 22 pressure with the conical surface
Tightly, then on the outside of upper and lower compression ring it is selected into upper baffle ring 31 and lower baffle ring 32 is fixed.
The high pressure water injection inflatable packer made of the utility model high pressure water injection Inflatable type packer rubber sleeve, passes through liquid
Pressure is realized and is set, and is unsealed when stopping water filling or upper lifting pipe post.Its interior packing element can play the role of inner sealing, so that after expansion
Packing element remain sealing state.Steel disc uses certain radian, and is arranged using mode is laminated, and is conducive to holding for packer
The recycling being honored as a queen is conciliate by high pressure.Outer packing element and steel disc bond, and the sealing with casing annulus are played, even if long-term high pressure water injection
String creep or play can also guarantee to seal.
From the above mentioned, the utility model provides a kind of long-term pressure bearing and seal packing element of high pressure water injection inflatable packer, adopts
With high strength and high flexibility steel disc, seal length can reach 1500mm, improve the long-term high pressure sealing requirement of packer；It is able to solve
The problem of atmospheric pressure sealed failure is used for a long time in High Pressure Water Injection String, guarantees High Pressure Water Injection String by stopping note or backwash process
Afterwards, it still is able to receiving high pressure sealing and conciliates normal recycling of being honored as a queen.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, made equivalent change under the premise of not departing from the conceptions and principles of the utility model
Change and modify, should belong to the range of the utility model protection.
Claims (5)
1. a kind of high pressure water injection Inflatable type packer rubber sleeve, which is characterized in that including the identical top connection of structure and lower contact,
Steel disc assembling cylindrical skeleton is fixedly connected between top connection and lower contact, steel disc assembling cylindrical skeleton outer wall is arranged outer packing element, steel
Piece assembling tubular inboard wall of skeleton is arranged interior packing element；It is identical that structure is respectively set in the both ends of interior packing element and steel disc assembling cylindrical skeleton
Upper compression ring and lower compression ring, upper compression ring outer end are fixed with the upper baffle ring for being threadedly connected to top connection inner wall, lower compression ring
Outer end is fixed with the lower baffle ring for being threadedly connected to lower contact inner wall；
Steel disc assembling cylindrical skeleton is to laminate structure in the width direction by multiple strips and the arc-shaped steel disc of width direction
At cylindrical skeleton；Steel disc assembling cylindrical skeleton one end is arranged in top connection inner wall and is welded and fixed, and steel disc assembles cylindrical skeleton
The other end is arranged in lower contact inner wall and is welded and fixed.
2. high pressure water injection Inflatable type packer rubber sleeve as described in claim 1, which is characterized in that the length of steel disc is
1500mm；The width of steel disc width is 30mm；Steel plate thickness is 1~3mm.
3. high pressure water injection Inflatable type packer rubber sleeve as described in claim 1, which is characterized in that upper compression ring and lower compression ring
It is the conical ring that one end annular surface is in inclined-plane；The conical surface of upper compression ring and lower compression ring is pressed against respectively in interior packing element and steel disc
Assemble the end of cylindrical skeleton.
4. high pressure water injection Inflatable type packer rubber sleeve as described in claim 1, which is characterized in that steel disc assembles outside cylindrical skeleton
Surface is coated with diamond dust, and sand blasted surface is painted with adhesive.
5. high pressure water injection Inflatable type packer rubber sleeve as described in claim 1, which is characterized in that upper baffle ring, lower baffle ring, upper pressure
Tight ring, lower compression ring are identical with the internal diameter of interior packing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982522.6U CN209483282U (en) | 2018-11-28 | 2018-11-28 | High pressure water injection Inflatable type packer rubber sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982522.6U CN209483282U (en) | 2018-11-28 | 2018-11-28 | High pressure water injection Inflatable type packer rubber sleeve |
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| Publication Number | Publication Date |
|---|---|
| CN209483282U true CN209483282U (en) | 2019-10-11 |
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ID=68116909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821982522.6U Active CN209483282U (en) | 2018-11-28 | 2018-11-28 | High pressure water injection Inflatable type packer rubber sleeve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749640A (en) * | 2020-07-13 | 2020-10-09 | 中国科学技术大学 | Packer, packer machining method and packer setting method |
| CN115434657A (en) * | 2022-09-30 | 2022-12-06 | 中国石油天然气集团有限公司 | Skeleton type telescopic sealing device, packer and application |
-
2018
- 2018-11-28 CN CN201821982522.6U patent/CN209483282U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749640A (en) * | 2020-07-13 | 2020-10-09 | 中国科学技术大学 | Packer, packer machining method and packer setting method |
| CN115434657A (en) * | 2022-09-30 | 2022-12-06 | 中国石油天然气集团有限公司 | Skeleton type telescopic sealing device, packer and application |
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