CN209724285U - The logical profit wedge-type sealer of anti-sticking anticreep - Google Patents
The logical profit wedge-type sealer of anti-sticking anticreep Download PDFInfo
- Publication number
- CN209724285U CN209724285U CN201920492220.9U CN201920492220U CN209724285U CN 209724285 U CN209724285 U CN 209724285U CN 201920492220 U CN201920492220 U CN 201920492220U CN 209724285 U CN209724285 U CN 209724285U
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- China
- Prior art keywords
- section
- wedge
- cone
- isometrical
- isometrical section
- 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.)
- Withdrawn - After Issue
Links
- 238000012856 packing Methods 0.000 claims abstract description 32
- 239000004677 Nylon Substances 0.000 claims description 32
- 229920001778 nylon Polymers 0.000 claims description 32
- 210000004907 gland Anatomy 0.000 claims description 29
- 230000000694 effects Effects 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 10
- 238000007789 sealing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model provides a kind of logical profit wedge-type sealer of anti-sticking anticreep, is related to oil field development technical field of oil extraction equipment, solves cone uplink existing in the prior art and squeezes the technical issues of annular wedged seal makes it be bonded tension with the borehole wall.Cone is provided with the first tapered section and first isometrical section, ring packing, which wedges, is equipped with the second tapered section and second isometrical section, when cone uplink, ring packing wedge is bonded with the borehole wall to be remain stationary, isometrical section of the first of cone is slided relative to isometrical section of second inside ring packing wedge of cavity wall, because second isometrical section of diameter is not less than first isometrical section of diameter, and first isometrical section of length is greater than second isometrical section, therefore only first isometrical section contacted when cone uplink with second isometrical section, the first tapered section that surface is obliquely installed will not be contacted with second isometrical section, the effect for squeezing annular wedged seal will not be generated, it avoids ring packing wedge and is bonded tension with wellbore casing and ultimately causes stuck situation and occur.
Description
Technical field
The utility model relates to oil field development technical field of oil extraction equipment, more particularly, to a kind of logical profit wedge-type of anti-sticking anticreep
Sealer.
Background technique
Applicant once submitted the patent Shen application No. is the CN201510752598.4 applying date on November 4th, 2015
Please, this application disclose a kind of " wedge-type sealers ", but submitted on April 26th, 2017 application No. is
The patent application of ZL201720448591.8, this application disclose a kind of " from profit run-resistant wedge-type sealer and its thread-off proof ring-shaped
Wedged seal " is tested by laboratory and mining site oil well, when still often going into the well wedged seal be stuck, nylon cylinder and flexible
Prevent being disengaged from the groove insertion flexible gland in sealing shroud disengaging and nylon cylinder, sting the case where rotten flexible gland inner wall.It traces it to its cause
Be sealer is sent with tubing string go into the well during, cone uplink, which squeezes annular wedged seal, when the upper lifting pipe post that makes up a joint makes itself and well
Wall fitting is tighter, and when having connect single downlink, the weight of tubing string is just stuck when can't push sealer downlink.Even if lattice
Careful outside to send sealer to underground predetermined position, the probability that can not beat pressure is also very big, the reason is that flexibility made of rubber
Sealing shroud to the powerful adsorption capacity of cone make ring packing wedge cone residue 1/3 do not hold oil groove section can not downlink, thus
Pressure can not be beaten, sealing failure is ultimately caused.
Utility model content
The purpose of this utility model is to provide a kind of logical profit wedge-type sealers of anti-sticking anticreep, to solve to deposit in the prior art
Cone uplink squeeze the technical issues of annular wedged seal makes it be bonded tension with the borehole wall.Many skills provided by the utility model
Many technical effects (being not easy repeatedly, cost is relatively low, easy to use) that optimal technical scheme in art scheme can be generated are detailed in
It is set forth below.
To achieve the above object, the utility model provides following technical scheme:
A kind of logical profit wedge-type sealer of anti-sticking anticreep provided by the utility model, including cone and be set in the cone
Ring packing wedge, the cone includes the first tapered section and is fixedly connected on the first isometrical of first tapered section upper end
Section；It is provided with the second tapered section on the ring packing wedge and is fixedly connected on the second isometrical of second tapered section upper end
Section；Second isometrical section of the length is less than described first isometrical section, and second isometrical section of the diameter is not less than described first
Isometrical section of diameter.
Preferably, the ring packing wedge includes flexible gland and nylon cylinder, and the flexible gland is set in described
In cone, the nylon cylinder is set in the flexible sealing and puts on, and the inner wall of the flexible gland is provided with second cone
Spend section and second isometrical section described.
Preferably, the upper end of the outer wall of the flexible gland is provided with seal cap, and the lower part of the seal cap is provided with
Anti-decylization, offer on the inner wall of the nylon cylinder it is anti-be disengaged from the groove, anti-be disengaged from the groove is intermeshed with the anti-decylization so that described
Nylon cylinder is set in the flexible sealing and puts on.
Preferably, interference ring is provided at the top of the seal cap.
Preferably, appearance oil groove is offered in the cone.
Preferably, the diameter of the interference ring is greater than the diameter of casing.
Preferably, the length of the cone is greater than the length of the ring packing wedge.
Preferably, the diameter of the upper end of first tapered section is less than the diameter of the lower end of first tapered section.
Preferably, the diameter of the upper end of second tapered section is less than the diameter of the lower end of second tapered section.
Preferably, axially disposed on the outer wall of the nylon cylinder to have a plurality of gap.
The utility model is provided on ring packing wedge by being provided with the first tapered section and first isometrical section in cone
Second tapered section and second isometrical section, tubing string, which send sealer, goes into the well and in the process of upper lifting pipe post that makes up a joint, and cone is upper
When row, ring packing wedge contacts to remain stationary with wellbore casing, and isometrical section of first be arranged in cone relative to setting
Second isometrical section of cavity wall sliding inside ring packing wedge, because second isometrical section of diameter is straight not less than first isometrical section
Diameter, and first isometrical section of length is greater than second isometrical section, therefore what is contacted when cone uplink with second isometrical section only has first etc.
Diameter section, the first tapered section that surface is obliquely installed will not be contacted with second isometrical section, will not generate the effect for squeezing annular wedged seal
Fruit, avoids ring packing wedge and is bonded tension with borehole wall casing and ultimately causes stuck situation and occur.
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, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is: the structure chart of cone provided by the embodiment of the utility model；
Fig. 2 is: the structure chart of flexible gland provided by the embodiment of the utility model；
Fig. 3 is: the structure chart of nylon cylinder provided by the embodiment of the utility model；
Fig. 4 is: the structure chart of ring packing wedge provided by the embodiment of the utility model；
Fig. 5 is: structure chart when wedge-type sealer downlink provided by the embodiment of the utility model；
Fig. 6 is: structure chart when cone uplink provided by the embodiment of the utility model.
1, cone in figure；11, the first tapered section；12, first isometrical section；2, ring packing wedge；21, flexible gland；
211, the second tapered section；212, second isometrical section；213, anti-decylization；214, seal cap；215, interference ring；22, nylon cylinder；221,
It is anti-to be disengaged from the groove.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
In the description of the present invention, it should be understood that term " center ", " lateral ", " length ", " width ", " height
Degree ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " side " etc. refer to
The orientation or positional relationship shown is to be merely for convenience of description the utility model based on attached orientation or positional relationship shown in FIG. 1
It is described with simplifying, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
Referring to figs. 1 to Fig. 6, the utility model provides a kind of logical profit wedge-type sealer of anti-sticking anticreep, including cone 1 and set
The ring packing wedge 2 being located in cone 1, cone 1 include the first tapered section 11 and are fixedly connected on 11 upper end of the first tapered section
First isometrical section 12；It is provided with the second tapered section 211 on ring packing wedge 2 and is fixedly connected on 211 upper end of the second tapered section
Second isometrical section 212；Second isometrical section 212 of length is less than first isometrical section 12, and second isometrical section 212 of diameter is not less than the
One isometrical section 12 of diameter.
The utility model in cone 1 by being provided with the first tapered section 11 and first isometrical section 12, on ring packing wedge 2
It is provided with the second tapered section 211 and second isometrical section 212, tubing string, which send sealer, goes into the well and in the mistake of upper lifting pipe post that makes up a joint
Journey, in uplink, ring packing wedge 2 contacts to remain stationary with wellbore casing cone 1, is arranged in first in cone 1 etc.
Diameter section 12 is relative to second isometrical section 212 of the cavity wall sliding being arranged in inside ring packing wedge 2, because of second isometrical section 212
Diameter is not less than first isometrical section 12 of diameter, and first isometrical section 12 of length is greater than second isometrical section 212, therefore in cone 1
Only first isometrical section 12 contacted when row with second isometrical section 212, the first tapered section 11 that surface is obliquely installed will not be with the
Two isometrical sections 212 contacts, will not generate the effect for squeezing annular wedged seal 2, avoid ring packing wedge 2 and be bonded with borehole wall casing
Tension ultimately causes stuck situation and occurs.
Optionally embodiment, ring packing wedge 2 include flexible gland 21 and nylon cylinder 22, flexible gland 21
It being set in cone 1, the length of cone 1 is greater than the length of ring packing wedge 2, and nylon cylinder 22 is set on flexible gland 21,
The inner wall of flexible gland 21 is provided with the second tapered section 211 and second isometrical section 212.
The second tapered section 211 is machined on the inner wall of flexible gland 21, the lower part of the second tapered section 211 is second isometrical
Section 212, second isometrical section 212 of diameter are not less than first isometrical section 12 of diameter, and second isometrical section 212 of length is less than first
Isometrical section 12, preferably 30 millimeters, the diameter of the upper end of the second tapered section 211 less than the lower end of the second tapered section 211 diameter,
To show the small shape in the big upper end in lower end, preferably cooperate the use of cone 1；Nylon cylinder 22 is mainly made of nylon material,
Nylon material have certain hardness, elasticity, will not be plastically deformed in certain field of load, the outer diameter of nylon cylinder 22 with
Casing is identical, and the outer diameter of the internal diameter and flexible gland 21 of nylon cylinder 22 matches, specially the small shape in the big upper end in lower end.
Optionally embodiment offers appearance oil groove in cone 1.
Offer appearance oil groove on the outer surface of cone 1, and after holding and filling lubricating oil or lubricant in oil groove, it can
It plays cone 1 and can reduce or eliminate flexible gland 21 to cone 1 in the case where moistening state without other liquid from the function of profit
Adsorption capacity, keep downlink of the flexible gland 21 in cone 1 more smooth, show Seal Oil collar-shaped with casing more wedge more consolidation
The purpose in space.
Optionally embodiment, the upper end of the outer wall of flexible gland 21 are provided with seal cap 214, seal cap 214
Lower part be provided with anti-decylization 213, when being set on flexible gland 21 for 22 sets of nylon cylinder, the upper end of the outer wall of nylon cylinder 22 is pushed up
It is offered on the lower end of seal cap 214, the inner wall of nylon cylinder 22 and prevents being disengaged from the groove 221, it is anti-to be disengaged from the groove 221 with anti-decylization 213 in size
Match on position, the width and depth of groove body and ring body are consistent, finally to prevent being disengaged from the groove 221 with anti-decylization 213 mutually
Engagement forms complete engaging structure, the ring packing wedge 2 of composition as shown in the figure 4, this design form improve nylon cylinder with
The type of attachment of flexible gland improves the stability of structure, avoids nylon cylinder and flexible gland from being detached from, avoids existing
Anti- be disengaged from the groove in technology in nylon cylinder can be embedded in flexible gland, sting the generation of the case where rotten flexible gland.
Optionally embodiment, interference ring 215 is provided at the top of seal cap, and anti-decylization 213 is arranged in seal cap
214 lower part, the diameter of interference ring 215 are greater than the diameter of casing.
Ring packing wedge 2 is set in cone 1, is combined under the wedge-type sealer of formation to behind designated position in well, casing
It suppresses and pushes ring packing wedge downlink, the diameter of Seal Oil, collar-shaped space, setting interference ring 215 is greater than the diameter of casing, because
Making material for flexible gland is mainly rubber, has the characteristics that oil resistant, high temperature resistant, impact-resistant, can lead to when going into the well
It crosses its good flexibility to squeeze into wellbore casing, so that fitting closely between ring packing wedge 2 and the inner wall of casing, preferably
Design scheme is that the diameter of interference ring 215 is greater than 2 millimeters of casing diameter.
The diameter of optionally embodiment, the upper end of the first tapered section 11 is straight less than the lower end of the first tapered section 11
Diameter shows big top and small bottom shape, the diameter of the upper end of the first tapered section 11 is equal to first isometrical section 12 of diameter,
That is the entirety of cone 1 is integrally formed design, the first tapered section 11 and first isometrical section 12 of coupling part as nature transition, keeps away
Exempt from occur the problem of corner angle damage the structure for the ring packing wedge 2 being set in cone 1 in structure.
Optionally embodiment, axially disposed on the outer wall of nylon cylinder 22 to have a plurality of gap, nylon cylinder receives outer
When portion's pressure extrusion, gap can be reduced by compressing so that the perimeter for the circumference that the outer wall of nylon cylinder 22 forms becomes smaller, and perimeter becomes
It is small to alleviate nylon cylinder 22 and external extruding situation, pressure is reduced, is played a protective role to nylon cylinder 22.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of logical profit wedge-type sealer of anti-sticking anticreep, which is characterized in that including cone (1) and be set on the cone (1)
Ring packing wedge (2), in which:
The cone (1) includes the first tapered section (11) and is fixedly connected on the first isometrical of the first tapered section (11) upper end
Section (12)；
It is provided with the second tapered section (211) on the ring packing wedge (2) and is fixedly connected on second tapered section (211)
Second isometrical section (212) at end；
The length of second isometrical section (212) is less than described first isometrical section (12), the diameter of second isometrical section (212)
Not less than the diameter of described first isometrical section (12).
2. the logical profit wedge-type sealer of anti-sticking anticreep according to claim 1, it is characterised in that: the ring packing wedge (2)
Including flexible gland (21) and nylon cylinder (22), the flexible gland (21) is set on the cone (1), the nylon
Cylinder (22) is set on the flexible gland (21), and the inner wall of the flexible gland (21) is provided with second tapered section
(211) and it is described second isometrical section (212).
3. the logical profit wedge-type sealer of anti-sticking anticreep according to claim 2, it is characterised in that: the flexible gland (21)
The upper end of outer wall be provided with seal cap (214), the lower part of the seal cap (214) is provided with anti-decylization (213), the nylon
Offered on the inner wall of cylinder (22) it is anti-be disengaged from the groove (221), it is described it is anti-be disengaged from the groove (221) and the anti-decylization (213) be intermeshed so that
The nylon cylinder (22) is set on the flexible gland (21).
4. the logical profit wedge-type sealer of anti-sticking anticreep according to claim 3, it is characterised in that: the seal cap (214)
Top is provided with interference ring (215).
5. the logical profit wedge-type sealer of anti-sticking anticreep according to claim 1, it is characterised in that: opened up on the cone (1)
There is appearance oil groove.
6. the logical profit wedge-type sealer of anti-sticking anticreep according to claim 4, it is characterised in that: the interference ring (215)
Diameter is greater than the diameter of casing.
7. the logical profit wedge-type sealer of anti-sticking anticreep according to claim 1, it is characterised in that: the length of the cone (1)
Greater than the length of the ring packing wedge (2).
8. the logical profit wedge-type sealer of anti-sticking anticreep according to claim 1, it is characterised in that: first tapered section (11)
Upper end diameter be less than first tapered section (11) lower end diameter.
9. the logical profit wedge-type sealer of anti-sticking anticreep according to claim 1, it is characterised in that: second tapered section
(211) diameter of upper end is less than the diameter of the lower end of second tapered section (211).
10. the logical profit wedge-type sealer of anti-sticking anticreep according to claim 2, it is characterised in that: the nylon cylinder (22)
It is axially disposed on outer wall to have a plurality of gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920492220.9U CN209724285U (en) | 2019-04-11 | 2019-04-11 | The logical profit wedge-type sealer of anti-sticking anticreep |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920492220.9U CN209724285U (en) | 2019-04-11 | 2019-04-11 | The logical profit wedge-type sealer of anti-sticking anticreep |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209724285U true CN209724285U (en) | 2019-12-03 |
Family
ID=68691451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920492220.9U Withdrawn - After Issue CN209724285U (en) | 2019-04-11 | 2019-04-11 | The logical profit wedge-type sealer of anti-sticking anticreep |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209724285U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882111A (en) * | 2019-04-11 | 2019-06-14 | 天津市益彰石油科技发展有限公司 | The logical profit wedge-type sealer of anti-sticking anticreep |
| CN115874970A (en) * | 2023-03-08 | 2023-03-31 | 天津市益彰石油科技发展有限公司 | Bidirectional pressure-bearing wedge type sealer |
-
2019
- 2019-04-11 CN CN201920492220.9U patent/CN209724285U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882111A (en) * | 2019-04-11 | 2019-06-14 | 天津市益彰石油科技发展有限公司 | The logical profit wedge-type sealer of anti-sticking anticreep |
| CN109882111B (en) * | 2019-04-11 | 2024-04-12 | 天津市益彰石油科技发展有限公司 | Anti-blocking anti-falling through lubrication wedge type sealer |
| CN115874970A (en) * | 2023-03-08 | 2023-03-31 | 天津市益彰石油科技发展有限公司 | Bidirectional pressure-bearing wedge type sealer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191203 Effective date of abandoning: 20240412 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191203 Effective date of abandoning: 20240412 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |