CN209277863U - A kind of oil-field flooding seating nipple - Google Patents
A kind of oil-field flooding seating nipple Download PDFInfo
- Publication number
- CN209277863U CN209277863U CN201822097915.5U CN201822097915U CN209277863U CN 209277863 U CN209277863 U CN 209277863U CN 201822097915 U CN201822097915 U CN 201822097915U CN 209277863 U CN209277863 U CN 209277863U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- positioning ring
- oil
- seating nipple
- sleeve
- 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 oil-field flooding seating nipples, including guide rod, cover pipe thread, first positioning ring, insulate casing, protect sliding sleeve, outer tube sleeve, second positioning ring, cylinder, connecting leg, the cylinder is hollow type cylindrical drum, the guide rod of straight line docking is equipped at lower end, the cylinder upper face is equipped with the second connected positioning ring of assembly, the utility model is additionally arranged protection sliding sleeve after improving device original structure, by body as structure fixing body, interior be equipped with can effectively improve the fixed reinforcing bar of structure, rotary groove is as installation passage structure, inner wall locating piece has certain protective, bottom gasket ring can be effectively reduced the coefficient of friction between component, internal layer compressive film has good firm, tough advantage, in the case where the damage of surface outer tube sleeve, body is also able to maintain the stationarity of its installation site, effectively improve portion The service life of part.
Description
Technical field
The utility model relates to injection well technical field of tools, and in particular to a kind of oil-field flooding seating nipple.
Background technique
Injection well provides energy source for the output of reservoir fluid, and water distribution packer central tube is the work of downhole water flow regulator
Make cylinder, is the main downhole tool for being layered injection string and quantitatively being injected to each interval.
Prior art discloses application No. is a kind of preset seating nipples of water injection well of CN201220025889.5, including in
Empty seating nipple, the lower end of seating nipple is equipped with and plug, and the channel that blocking fuse enters is equipped in seating nipple.The water injection well
Preset seating nipple further includes the blocking fuse being adapted with plug that central tube connect composition with guide head, and blocking fuse is inserted into work
After making cylinder, guide head passes through plug and stretches out outside seating nipple, and positioning ring, the top of central tube are equipped between seating nipple and central tube
It is additionally provided with shearing ring.The preset seating nipple of water injection well provided by the utility model, structure is simple, launches, salvages convenient, extension use
Requirement is used for multiple times in service life, satisfaction.But disadvantage is that seating nipple surface elements are connect for a long time using metal material mostly
It can accelerate the aging speed of modular construction after touching liquid, device docks sexual maladjustment after element falling, is easy to influence working efficiency.
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 oil field
Seating nipple is filled the water, metal material is used to solve most seating nipple surface elements, modular construction can be accelerated after Long Term Contact liquid
Aging speed, device docks sexual maladjustment after element falling, is easy the problem of influencing working efficiency.
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 oil-field flooding seating nipple, including guide rod, set pipe thread, the
One positioning ring, packing casing, protection sliding sleeve, outer tube sleeve, the second positioning ring, cylinder, connecting leg, the cylinder are hollow type cylinder
Tin, the guide rod of straight line docking is equipped at lower end, the cylinder upper face is equipped with the second positioning ring that assembly is connected, the cylinder
Body is equipped with the connecting leg being located in inner cavity, is equipped on the outside of the connecting leg and shrouds formula packing casing, and the packing casing is mounted on cylinder
On body lower groove surface, the set pipe thread installed along wall circular is equipped at the cylinder lower end, the cylinder, which is equipped with, is located at table
The outer tube sleeve of face upper position, the outer tube sleeve are equipped with the protection sliding sleeve being halved together；The protection sliding sleeve by gasket ring, body,
Reinforcing bar, rotary groove, support rod, compressive film, locating piece composition, the gasket ring are mounted at body lower end, the jacket surface
On lead to outer tube sleeve in contact, extruded on internal layer, the body is equipped with the compressive film of composite integrated for the reinforcing bar installing,
The compressive film outer layer is equipped with the opposite support rod in both sides, and the support rod is located at rotary groove every on line, the rotary groove inner wall
Equipped with spaced multiple locating pieces.
Further, second positioning ring and the first positioning ring of lower section installation site be separately.
Further, described sleeve pipe button installation is located at guide rod outer.
Further, first positioning ring is mounted in cylinder lower surface.
Further, first positioning ring is located at packing sleeve surface interval lower position.
Further, the guide rod is equipped with the first positioning ring being placed at its docking.
Further, the support rod, which hangs down, is located in the inside of locating piece interval.
Further, the rotary groove is set on drum surface.
As shown from the above technical solution, the utility model has at least one of following advantages and good effect:
A kind of oil-field flooding seating nipple of the utility model is additionally arranged protection sliding sleeve after improving device original structure, by body
As structure fixing body, interior be equipped with can effectively improve the fixed reinforcing bar of structure, and rotary groove is interior as installation passage structure
Wall locating piece has certain protective, and bottom gasket ring can be effectively reduced the coefficient of friction between component, internal layer compressive film tool
There is good firm, tough advantage, in the case where the damage of surface outer tube sleeve, body is also able to maintain the fixation of its installation site
Property, effectively improve the service life of component.
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 a kind of structural schematic diagram of oil-field flooding seating nipple described in the utility model；
Fig. 2 is the protection sliding sleeve assembling structure schematic elevation view of the utility model.
In figure:
Guide rod -1, set pipe thread -2, the first positioning ring -3, packing casing -4, protection sliding sleeve -5, gasket ring -501, body -
502, reinforcing bar -503, rotary groove -504, support rod -505, compressive film -506, locating piece -507, outer tube sleeve -6, the second positioning
Ring -7, cylinder -8, connecting leg -9.
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.
Fig. 1-Fig. 2 is please referred to, a kind of oil-field flooding seating nipple described in the utility model, structure includes guide rod 1, casing
Detain the 2, first positioning ring 3, packing casing 4, protection sliding sleeve 5, outer tube sleeve 6, the second positioning ring 7, cylinder 8, connecting leg 9, the cylinder 8
For hollow type cylindrical drum, be equipped with the guide rod 1 of straight line docking at lower end, 8 upper face of cylinder be equipped with that assembly is connected the
Two positioning rings 7, the cylinder 8 are equipped with the connecting leg 9 being located in inner cavity, are equipped on the outside of the connecting leg 9 and shroud formula packing casing 4,
The packing casing 4 is mounted on 8 lower groove surface of cylinder, and the casing installed along wall circular is equipped at 8 lower end of cylinder
Button 2, the cylinder 8 are equipped with the outer tube sleeve 6 positioned at surface upper position, and it is sliding that the outer tube sleeve 6 is equipped with the protection being halved together
Set 5；The protection sliding sleeve 5 is by gasket ring 501, body 502, reinforcing bar 503, rotary groove 504, support rod 505, compressive film 506, fixed
Position part 507 forms, and the gasket ring 501 is mounted at 502 lower end of body, leads on 502 surface of body in contact outer
Pipe sleeve 6, extruded on internal layer, the body 502 is equipped with the compressive film 506 of composite integrated, the resistance to compression for the installing of reinforcing bar 503
506 outer layer of film is equipped with the opposite support rod 505 in both sides, and the support rod 505 is located at rotary groove 504 every on line, the rotary groove
504 inner walls are equipped with spaced multiple locating pieces 507, second positioning ring 7 and 3 installation site phase of the first positioning ring of lower section
Interval, the installation of described sleeve pipe button 2 are located at 1 outer of guide rod, and first positioning ring 3 is mounted in 8 lower surface of cylinder, institute
It states the first positioning ring 3 and is located at packing 4 surface interval lower position of casing, the guide rod 1 is equipped with the be placed at its docking
One positioning ring 3.
Compressive film 506 described in the utility model is that a kind of use obtains stone made of functionalization graphene material through oxidation
Black alkene layer, graphene are one of highest materials of known strength, while also having good toughness.
It is additionally arranged protection sliding sleeve 5 after carrying out in use, improving device original structure, is installed by body 502 as structure
Body, interior be equipped with can effectively improve the fixed reinforcing bar 503 of structure, and rotary groove 504 is used as installation passage structure, inner wall positioning
Part 507 has certain protective, and bottom gasket ring 501 can be effectively reduced the coefficient of friction between component, internal layer compressive film 506
Have the advantages that it is good firm, tough, on surface outer tube sleeve 6 damage in the case where, body 502 is also able to maintain its installation site
Stationarity effectively improves the service life of component.
The utility model solves the problems, such as it is that most seating nipple surface elements use metal material, can after Long Term Contact liquid
Accelerate the aging speed of modular construction, device docks sexual maladjustment after element falling, is easy to influence working efficiency, the utility model is logical
Being combined with each other for above-mentioned component is crossed, protects sliding sleeve internal layer compressive film to have the advantages that good firm, tough, is damaged in surface outer tube sleeve
In the case where bad, body is also able to maintain the stationarity of its installation site, effectively improves the service life of component, institute specific as follows
State: gasket ring 501 is mounted at 502 lower end of body, leads to outer tube sleeve 6 in contact, the reinforcing on 502 surface of body
Bar 503 is installed extruded on internal layer, and the body 502 is equipped with the compressive film 506 of composite integrated, and 506 outer layer of compressive film is equipped with
The opposite support rod 505 in both sides, the support rod 505 are located at rotary groove 504 every on line, between 504 inner wall of rotary groove is equipped with
Every more locating pieces 507 of arrangement.
In conclusion a kind of oil-field flooding seating nipple of the utility model, is additionally arranged protection cunning after improving device original structure
Set, by body as structure fixing body, interior be equipped with can effectively improve the fixed reinforcing bar of structure, and rotary groove is logical as installation
Road structure, inner wall locating piece have certain protective, and bottom gasket ring can be effectively reduced the coefficient of friction between component, internal layer
Compressive film have the advantages that it is good firm, tough, surface outer tube sleeve damage in the case where, body is also able to maintain its installation site
Stationarity, effectively improve the service life of component.
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 (6)
1. a kind of oil-field flooding seating nipple, including guide rod, set pipe thread, the first positioning ring, packing casing, protection sliding sleeve, outer tube
Set, the second positioning ring, cylinder, connecting leg, the cylinder are hollow type cylindrical drum, and the guide rod of straight line docking is equipped at lower end,
It is characterized in that,
The cylinder upper face is equipped with the second connected positioning ring of assembly, and the cylinder is equipped with the connecting leg being located in inner cavity,
It is equipped on the outside of the connecting leg and shrouds formula packing casing, the packing casing is mounted on cylinder lower groove surface, the cylinder
The set pipe thread installed along wall circular is equipped at lower end, the cylinder is equipped with the outer tube sleeve positioned at surface upper position, described outer
Pipe sleeve is equipped with the protection sliding sleeve being halved together；The protection sliding sleeve is by gasket ring, body, reinforcing bar, rotary groove, support rod, resistance to compression
Film, locating piece composition, the gasket ring are mounted at body lower end, and outer tube sleeve in contact, institute are led on the jacket surface
State reinforcing bar installing extruded on internal layer, the body is equipped with the compressive film of composite integrated, and the compressive film outer layer is equipped with both sides phase
Pair support rod, the support rod is located at rotary groove every on line, and the rotary groove inner wall is equipped with spaced multiple locating pieces.
2. a kind of oil-field flooding seating nipple according to claim 1, which is characterized in that second positioning ring and lower section the
One positioning ring installation site is separately.
3. a kind of oil-field flooding seating nipple according to claim 1, which is characterized in that the installation of described sleeve pipe button is located at guiding
At bar outer.
4. a kind of oil-field flooding seating nipple according to claim 1, which is characterized in that first positioning ring is mounted on cylinder
In body lower surface.
5. a kind of oil-field flooding seating nipple according to claim 1, which is characterized in that first positioning ring is located at packing
Sleeve surface interval lower position.
6. a kind of oil-field flooding seating nipple according to claim 1, which is characterized in that the guide rod is equipped with and is placed in it
The first positioning ring at docking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822097915.5U CN209277863U (en) | 2018-12-14 | 2018-12-14 | A kind of oil-field flooding seating nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822097915.5U CN209277863U (en) | 2018-12-14 | 2018-12-14 | A kind of oil-field flooding seating nipple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209277863U true CN209277863U (en) | 2019-08-20 |
Family
ID=67611243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822097915.5U Expired - Fee Related CN209277863U (en) | 2018-12-14 | 2018-12-14 | A kind of oil-field flooding seating nipple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209277863U (en) |
-
2018
- 2018-12-14 CN CN201822097915.5U patent/CN209277863U/en not_active Expired - Fee Related
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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: 20190820 Termination date: 20191214 |