CN207673314U - A kind of packing element assembly of breakage-proof - Google Patents
A kind of packing element assembly of breakage-proof Download PDFInfo
- Publication number
- CN207673314U CN207673314U CN201721573305.7U CN201721573305U CN207673314U CN 207673314 U CN207673314 U CN 207673314U CN 201721573305 U CN201721573305 U CN 201721573305U CN 207673314 U CN207673314 U CN 207673314U
- Authority
- CN
- China
- Prior art keywords
- packing element
- centre pipe
- ring
- orbit centre
- element set
- 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.)
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Links
- 238000012856 packing Methods 0.000 title claims abstract description 82
- 230000033228 biological regulation Effects 0.000 claims abstract description 12
- 125000006850 spacer group Chemical group 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model is related to a kind of packing element assemblies of breakage-proof, including top connection and orbit centre pipe, regulation ring is equipped with outside orbit centre pipe successively, positioning sleeve, several first packing element sets and cone, conical ring is equipped at the top of positioning sleeve, and positioning pin is equipped between orbit centre pipe, it is equipped between adjacent first packing element set and covers symmetrically arranged second packing element set with the first packing element, two packing elements are covered is equipped with spacer ring between adjacent first packing element set, first packing element covers the L-shaped structure in section, and it is equipped with packing element body between the second packing element set, glue cylinder inboard wall is equipped with arc groove, and it is equipped with skeleton between the first packing element set and the second packing element set, the T-shaped structure in skeleton section, and waveform spring is equipped between both ends and packing element body；The utility model structure novel is compact, reasonable design, using easy to assembly, two-way can bear high pressure, prevent packing element damaged, service life is long, is conducive to reduce Wel packing plug water construction process, and can conveniently realize no killing well operation without open flow.
Description
Technical field
The utility model is related to a kind of packing element assemblies of breakage-proof, belong to technical field of petroleum machinery.
Background technology
Packer is a kind of sealing tool of oil field well, plays the role of sealing annular space between oil pipe and casing, adopt
Packer is used for being layered in oily engineering, oil channel is designed on packer, when setting, piston bush uplink, oil channel is beaten
It opens；After setting, upper stressor layer acts on dummy piston, pushes up packing element, makes deblocking pin from shearing force；When deblocking, lean on
The frictional force of packing element and casing cuts deblocking pin, and piston bush downlink closes oil channel.However due to fluid power or Mechanical Driven
Power part generates compressing force, so that packing element radial movement compresses, packing element radial dilatation Seal Oil is covered annular space, packing element assembly carries
Oil field well bidirectional high-pressure, it is damaged beyond chap is easy after fatigue strength, seal failure is caused, is unsealed in advance, is caused larger
Economic loss.
Utility model content
The purpose of this utility model is in view of the drawbacks of the prior art, to provide a kind of packing element assembly of breakage-proof,
It is compact-sized, it is easy for installation, two-way high pressure can be born, prevent packing element damaged, service life is long, and it is stifled to be conducive to reduction Wel packing
Water working procedure, and no killing well operation without open flow can be conveniently realized.
The utility model is achieved by the following technical solutions：
A kind of packing element assembly of breakage-proof, including top connection and orbit centre pipe, wherein by top connection to track
Central tube bottom direction, the orbit centre pipe are equipped with regulation ring, positioning sleeve, several first packing elements set and cone, institute successively outside
It states and is equipped with matching thread between orbit centre pipe outer wall and top connection and regulation ring inner wall, cone is equipped at the top of the positioning sleeve
Ring, and positioning pin is equipped between orbit centre pipe, the conical ring end is placed between regulation ring and orbit centre pipe；
It is equipped between adjacent first packing element set and covers symmetrically arranged second packing element set, the second packing element set with the first packing element
Spacer ring is equipped between being covered with adjacent first packing element, the spacer ring is equipped with the first groove, first groove and orbit centre pipe
Between be equipped with the first O-ring seals, first packing element covers the L-shaped structure in section, and the second packing element cover between be equipped with packing element
Body, the glue cylinder inboard wall is equipped with arc groove, and is equipped with skeleton, the bone between the first packing element set and the second packing element set
The T-shaped structure in frame section, and waveform spring is equipped between both ends and packing element body, it is equipped with and sits between the cone and orbit centre pipe
Seal shear pin.
The packing element assembly of above-mentioned a kind of breakage-proof, wherein the positioning sleeve is equipped with several second grooves, several
Second groove is located at positioning pin both sides, and the second O-ring seals are equipped between orbit centre pipe.
A kind of packing element assembly of above-mentioned breakage-proof, wherein the top connection bottom be equipped with connector boss, it is described on
Connector outer wall is equipped with third groove, and third O-ring seals are equipped in the third groove.
The beneficial effects of the utility model are：
The utility model structure novel is compact, reasonable design, using easy to assembly, can be connected with oil pipe channel by top connection
It connects, top connection, positioning sleeve and spacer ring is respectively increased by the first O-ring seals, the second O-ring seals and third O-ring seals
Axial seal performance, ensure enough seal preloads, compensation abrasion；The cone of shear pin is set using the positioning sleeve with conical ring and band
Body structure is mounted from several first packing elements set and the second packing element set both ends respectively；Using T shape skeleton structures, and make waveform
Spring forms elastic extruding to arc groove, with peak valley elastic compensating axial direction precompression, avoids packing element body by high-pressure extrusion rear end
Portion is worn, and to improve service life, is conducive to reduce Wel packing plug water construction process, and can conveniently realize no killing well
Operation without open flow.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the portions the A schematic enlarged-scale view of Fig. 1.
(in figure, top connection 1, orbit centre pipe 2, regulation ring 3, positioning sleeve 4, the first packing element set 5, cone 6, matching thread
7, conical ring 8, positioning pin 9, the second packing element set 10, spacer ring 11, the first groove 12, the first O-ring seals 13, packing element body 14, arc
Groove 15, skeleton 16, waveform spring 17 set shear pin 18, the second groove 19, the second O-ring seals 20, connector boss 21, and
Three grooves 22, third O-ring seals 23).
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
A kind of packing element assembly of breakage-proof, including top connection 1 and orbit centre pipe 2, wherein by top connection 1 to
2 bottom direction of orbit centre pipe, the orbit centre pipe 2 are equipped with regulation ring 3, positioning sleeve 4, several first packing elements set 5 successively outside
With cone 6, matching thread 7, the positioning are equipped between 3 inner wall of 2 outer wall of orbit centre pipe and top connection 1 and regulation ring
4 top of set is equipped with conical ring 8, and positioning pin 9 is equipped between orbit centre pipe 2, and 8 end of the conical ring is placed in regulation ring 3 and rail
Between road central tube 2；
It is equipped between adjacent first packing element set 5 and 5 symmetrically arranged second packing element set 10 of the first packing element set, second glue
Spacer ring 11 is equipped between jacket casing 10 and adjacent first packing element set 5, the spacer ring 11 is equipped with the first groove 12, first groove
It is equipped with the first O-ring seals 13 between 12 and orbit centre pipe 2, first packing element covers the L-shaped structure in 5 sections, and with second
Be equipped with packing element body 14 between packing element set 10,14 inner wall of packing element body is equipped with arc groove 15, and with the first packing element set 5 and the
It is equipped with skeleton 16, the T-shaped structure in 16 section of the skeleton between two packing elements set 10, and is equipped with waveform between both ends and packing element body 14
Spring 17 is equipped between the cone 6 and orbit centre pipe 2 and sets shear pin 18；
The positioning sleeve 4 is equipped with several second grooves 19, and several second grooves 19 are located at 9 both sides of positioning pin, and and rail
The second O-ring seals 20 are equipped between road central tube 2,1 bottom of the top connection is equipped with connector boss 21, outside the top connection 1
Wall is equipped with third groove 22, and third O-ring seals 23 are equipped in the third groove 22.
The working method of the utility model is：
By cone 6, several second packing elements set 10, spacer ring 11, the first packing element set 5, positioning sleeve 4, regulation ring 3 and top connection 1
It is set in orbit centre pipe 2 successively, and is connected with matching thread 7, assembles fast and stable, easy to maintain, top connection 1 can be with oil
Tube passage connects, and connector boss 21 improves bottom mechanical rigidity；When generating compressing force due to fluid power or Mechanical Driven, make packing element body
When 14 radial movement compresses, 14 radial dilatation of packing element body forms sealing annular space, is improved inside packing element body 14 by T shapes skeleton 16
Rigidity, and with 17 peak valley elastic compensating axial direction precompression of waveform spring, packing element body 14 is avoided to be worn by high-pressure extrusion rear end, the
Top connection 1, positioning sleeve 4 and spacer ring 11 is respectively increased in one O-ring seals 13, the second O-ring seals 20 and third O-ring seals 23
Axial seal performance, can be used for the operating modes such as formation testing by layer, oil recovery, water detection, pressure break, acidification.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should all cover within the protection scope of the present utility model.Therefore, the scope of protection of the utility model should be with
Subject to the protection domain of claims.
Claims (3)
1. a kind of packing element assembly of breakage-proof, including top connection and orbit centre pipe, it is characterized in that, by top connection to rail
Road central tube bottom direction, the orbit centre pipe are equipped with regulation ring, positioning sleeve, several first packing elements set and cone successively outside,
It is equipped with matching thread between the orbit centre pipe outer wall and top connection and regulation ring inner wall, cone is equipped at the top of the positioning sleeve
Ring, and positioning pin is equipped between orbit centre pipe, the conical ring end is placed between regulation ring and orbit centre pipe；
It is equipped between adjacent first packing element set and covers symmetrically arranged second packing element set, the second packing element set and phase with the first packing element
It is equipped with spacer ring between adjacent first packing element set, the spacer ring is equipped with the first groove, between first groove and orbit centre pipe
Equipped with the first O-ring seals, first packing element covers the L-shaped structure in section, and is equipped with packing element body, institute between the second packing element set
It states glue cylinder inboard wall and is equipped with arc groove, and be equipped with skeleton between the first packing element set and the second packing element set, the skeleton is cut
The T-shaped structure in face, and waveform spring is equipped between both ends and packing element body, it is equipped with to set between the cone and orbit centre pipe and cut
Nail.
2. a kind of packing element assembly of breakage-proof as described in claim 1, it is characterized in that, if the positioning sleeve is equipped with
Dry second groove, several second grooves are located at positioning pin both sides, and the second O-ring seals are equipped between orbit centre pipe.
3. a kind of packing element assembly of breakage-proof as described in claim 1, it is characterized in that, the top connection bottom is equipped with
Connector boss, the top connection outer wall are equipped with third groove, third O-ring seals are equipped in the third groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573305.7U CN207673314U (en) | 2017-11-22 | 2017-11-22 | A kind of packing element assembly of breakage-proof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573305.7U CN207673314U (en) | 2017-11-22 | 2017-11-22 | A kind of packing element assembly of breakage-proof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673314U true CN207673314U (en) | 2018-07-31 |
Family
ID=62966557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721573305.7U Active CN207673314U (en) | 2017-11-22 | 2017-11-22 | A kind of packing element assembly of breakage-proof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075389A (en) * | 2020-03-01 | 2020-04-28 | 长江大学 | Packer with radial supporting function |
-
2017
- 2017-11-22 CN CN201721573305.7U patent/CN207673314U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075389A (en) * | 2020-03-01 | 2020-04-28 | 长江大学 | Packer with radial supporting function |
| CN111075389B (en) * | 2020-03-01 | 2024-04-30 | 长江大学 | Packer with radial support function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: YANCHENG JIAXIN PETROLEUM MACHINERY MANUFACTURE CO.,LTD. Assignor: YANCHENG HENGTONG PETROLEUM MACHINERY MANUFACTURING CO.,LTD. Contract record no.: X2023320000230 Denomination of utility model: An anti damage sealing rubber cylinder assembly Granted publication date: 20180731 License type: Common License Record date: 20231115 |
|
| EE01 | Entry into force of recordation of patent licensing contract |