CN106065947A - A kind of metal o-ring for boll-weevil hanger end and sealing device - Google Patents
A kind of metal o-ring for boll-weevil hanger end and sealing device Download PDFInfo
- Publication number
- CN106065947A CN106065947A CN201610667432.7A CN201610667432A CN106065947A CN 106065947 A CN106065947 A CN 106065947A CN 201610667432 A CN201610667432 A CN 201610667432A CN 106065947 A CN106065947 A CN 106065947A
- Authority
- CN
- China
- Prior art keywords
- ring
- metal
- support ring
- quoit
- boll
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
- F16J15/0887—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing the sealing effect being obtained by elastic deformation of the packing
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
Abstract
A kind of metal o-ring for boll-weevil hanger end and sealing device, metal o-ring includes quoit body, the longitudinal cross-section of quoit body assumes diamond in shape, and the inwall of quoit body, outer wall are spaced stress discharging slot and the deformation groove having several horizontally disposed annulars the most from top to bottom.Sealing device, including upper support ring, lower support ring and metal o-ring, upper support ring, lower support ring are arranged in end face and the bottom surface of metal o-ring；The bottom surface of upper support ring is inclined-plane, and this inclined-plane contacts with the drift angle of quoit body and angled difference；The end face of lower support ring is inclined-plane, and this inclined-plane contacts with the base angle of quoit body and angled difference.The present invention have that simple in construction, volume be little, yielding and between carrier for metal sealing, sealing reliability is good, can be used for the advantage of corrosive environment；Meanwhile, stress deformation is elastic deformation, reusable, not injures carrier, it is possible to reduce cost.
Description
Technical field
The invention belongs to petroleum pipeline seal nipple field, a kind of metal sealing for boll-weevil hanger end
Circle and sealing device.
Background technology
In API6A(American Petroleum Institute (API), American Petroleum Institute) in standard, important is adopted
Oil or gas production wellhead, when installation exercise, require between carrier and carrier to provide one to be tightly connected reliably.
For general well head, between carrier and carrier, mostly use rubber seal, but, rubber seal can not make for a long time
With, life-time service there will be aging and follows the string, and rubber seal can not use in low temperature and high temperature, and low temperature there will be crisp
Changing, high temperature there will be softening.
For being used for the low temperature of less than-60 DEG C, for the high temperature of more than 350 DEG C, for important wells such as the gas wells containing H2S
Mouthful, it is accomplished by between carrier and carrier using expensive metal sealing, time that metal sealing typically will not be used, temperature
Degree and Korrosionsmedium affect, and are currently used for the pressure that the metal seal of tubing hanger end seal outwardly and inwardly born and are
Inconsistent, so when well head installation and debugging, cannot pass judgment in terms of the reliability of detection metal sealing, and this
Sealing member is single use, installs and needs specific purpose tool with dismounting, to being provided with certain requirement.As shown in Figure 1.
Summary of the invention
The purpose of the present invention is exactly a kind of simple in construction, yielding, good sealing effect and reusable for oil pipe
The metal o-ring of hanger end and sealing device.
First the metal o-ring for boll-weevil hanger end is given: include quoit body, described quoit body
Longitudinal cross-section assume diamond in shape, the longitudinal cross-section of described quoit body assumes diamond in shape, the inwall of described quoit body, outer wall all from
Upper and lower interval has the stress discharging slot of at least one horizontally disposed annular and the deformation groove of at least one annular.
Further, the inwall of described quoit body has an annular stress discharging slot and the most successively
The deformation groove of individual annular；The outer wall of described quoit body has an annular stress discharging slot and one the most successively
The deformation groove of annular.
Further, the cross section of described stress discharging slot is triangular in shape, and the cross section of described deformation groove is circular arc.
Then be given by the above-mentioned sealing device constituted for the metal o-ring of boll-weevil hanger end: include upper support
Ring, lower support ring and metal o-ring, described upper support ring, lower support ring are arranged in end face and the end of metal o-ring
Face；The bottom surface of described upper support ring is inclined-plane, and this inclined-plane contacts with the drift angle of quoit body and angled difference；Described lower support
The end face of ring is inclined-plane, and this inclined-plane contacts with the base angle of quoit body and angled difference.
Compared with prior art, the present invention have that simple in construction, volume be little, yielding and between carrier for metal sealing,
Sealing reliability is good, can be used for the advantage of corrosive environment;Meanwhile, stress deformation is elastic deformation, reusable, does not has carrier
There is injury, it is possible to reduce cost；Beneficial effect is specific as follows:
1. metal o-ring Main Function is to provide and keeps sealing, so this metal o-ring cannot be only used between metal
In the field of API6A, it is possible to be used for other field needing metal to metal seal.
2. metal o-ring need not provide particular channel just can seal as API gasket ring, so simple in construction,
It is easy to processing and manufactures.
3. metal o-ring plays the metal o-ring of same purpose and compares with other, and volume is less, thus requisite space is more
Little.
4. its simple in construction of metal o-ring, can exchange each other, installs and need not specific purpose tool with dismounting, is easy to dress
Join, saved the installation and debugging time, downtime is reduced to bottom line.
5. on the cylindrical and inner circle of metal o-ring, have stress discharging slot, so when being stressed, being more easily deformed, this
Sample avoids the need for the sealing increasing bigger bolt torque to promote metal o-ring, meets API6A specification and recommends answering of bolt
With.
6. having special deformation groove on the cylindrical and inner circle of metal o-ring, this deformation groove can play regulation and compensate load
Body diametric(al) and the scale error of short transverse, thus can meet installation requirements with particulate metal sealing ring.
7. a lot of lower than the material hardness that seal carrier is used of the material hardness that used due to metal o-ring,
And the special construction of metal o-ring, so in use, will not the sealing surface of breakseal carrier.
Even if 8. at tension force, bending, compressing and under harsh operating condition, also need not periodically retorque and nut.
9. metal o-ring itself is not limited by size in use, so the metal of all size size can be made into
Sealing ring.
10. use metal o-ring, the support strength sealed will not be made to reduce.
11. metal o-rings will not be limited by API6A flange bolt hole and be affected the design space of itself, that is
Itself is the least in design for particulate metal sealing ring.
12. metal o-rings can be designed to bear 20000Psi operating pressure at normal temperatures.
13. metal o-rings can be selected for carbon steel, low-alloy steel, 300 series stainless steels and corrosion-resisant alloy material manufacture, institute
Can be used for more a wide range of field with particulate metal sealing ring, be particularly used to hydrogen sulfide, carbon dioxide corrosion working condition, symbol
Close API6A and NACE MR 0175 code requirement.
14. metal o-rings are metals to metal seal, so can be used for the low temperature of less than-60 DEG C and being used for 350
High temperature more than DEG C.
15. reliabilities not interfering with sealing in the case of pressure oscillation.
16. can be reused repeatedly and without more renewing.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing metal o-ring assembling；
Fig. 2 is the partial enlarged drawing in Fig. 1；
Fig. 3 is that the structure of existing metal o-ring bears pressure schematic diagram；
Fig. 4 is the structural representation of the metal sealing ring cross-section in the present invention.
Fig. 5 is the structural representation of the sealing device being made up of metal o-ring in the present invention；
In figure: 1, quoit body, 2, diamond-shaped cross-section, the 3.1, first stress discharging slot, the 3.2, second stress discharging slot, 4.1,
One deformation groove, the 4.2, second deformation groove, 5, upper support ring, 6, lower support ring, 7, contact point, 8, differential seat angle, the 9, first carrier,
10, Second support.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further.
Embodiment 1
Seeing Fig. 4, a kind of metal o-ring for boll-weevil hanger end, including quoit body 1, indulging of quoit body
Assuming diamond in shape to cross section, the inwall of quoit body 1 has the first stress discharging slot 3.1 and the annular of annular the most successively
First deformation groove 4.1；The outer wall of quoit body has the second stress discharging slot 3.2 and the annular of annular the most successively
Second deformation groove 4.2；The cross section of stress discharging slot is triangular in shape, and the cross section of deformation groove is circular arc.
Embodiment 2
See Fig. 5, a kind of sealing device being made up of metal o-ring for boll-weevil hanger end in embodiment 1, including
Upper support ring 5, lower support ring 6 and metal o-ring, upper support ring 5, lower support ring 6 are arranged in the top of metal o-ring
Face and bottom surface；The bottom surface of upper support ring 5 is inclined-plane, and this inclined-plane contacts with the drift angle of metal body 1 and angled difference；Lower support ring
The end face of 6 is inclined-plane, and this inclined-plane contacts with the base angle of quoit body 1 and angled differs from 8.
Operation principle is as follows:
As shown in Figure 5, the cross section of metal o-ring body assumes diamond in shape, and utilizes two diagonal angles of diamond-shaped cross-section as metal to metal
The contact point (i.e. contact point 7 in figure) sealed, i.e. two diagonal angles contact with the first carrier 9 and Second support 10 respectively；Meanwhile, profit
With the differential seat angle between support ring 5, lower support ring 6 and quoit body 1 contact surface, power preferentially passed to quoit body 1
Contact point, due to the difference of stress point, at contact point preferential stress and start deformation, with the increase puted forth effort, at contact point
Power is the most increasing, and the deformation at contact point is more and more abundant, thus forms metal sealing and sealing property the most increasingly may be used
Lean on.As shown in Figure 4, due to the existence of stress discharging slot, thus ensure that the power that metal o-ring body is born is ordered into point
Cloth, ensures that the deformation of quoit body 1 is in regime of elastic deformation, avoids the plastic deformation of metal o-ring.Such as Fig. 4 institute
Show, owing to deforming the existence of groove, compensation Carrier diameters direction and the scale error of short transverse can be regulated, thus can use
One special metal o-ring meets installation requirements.
For those skilled in the art, under the premise without departing from the principles of the invention, it is possible to right
Specifically size, or partial structurtes makes some improvements and modifications, and these improvements and modifications also should be regarded as the protection model of the present invention
Enclose.
Claims (4)
1. for a metal o-ring for boll-weevil hanger end, including quoit body, it is characterised in that: described quoit
The longitudinal cross-section of body assumes diamond in shape, the inwall of described quoit body, outer wall be spaced the most from top to bottom have horizontally disposed extremely
A few annular stress discharging slot and the deformation groove of at least one annular.
Metal o-ring for boll-weevil hanger end the most according to claim 1, it is characterised in that: described quoit
The inwall of body has an annular stress discharging slot and an annular deformation groove the most successively；Described quoit is originally
The outer wall of body has an annular stress discharging slot and an annular deformation groove the most successively.
Metal o-ring for boll-weevil hanger end the most according to claim 1 and 2, it is characterised in that described should
The cross section of power discharging slot is triangular in shape, and the cross section of described deformation groove is circular arc.
4., by the arbitrary described sealing device constituted for the metal o-ring of boll-weevil hanger end of claim 1-3, it is special
Levying and be, including upper support ring, lower support ring and metal o-ring, described upper support ring, lower support ring are arranged in gold
Belong to end face and the bottom surface of sealing ring；The bottom surface of described upper support ring is inclined-plane, and this inclined-plane contacts also with the drift angle of quoit body
Angled difference；The end face of described lower support ring is inclined-plane, and this inclined-plane contacts with the base angle of quoit body and angled difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610667432.7A CN106065947A (en) | 2016-08-15 | 2016-08-15 | A kind of metal o-ring for boll-weevil hanger end and sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610667432.7A CN106065947A (en) | 2016-08-15 | 2016-08-15 | A kind of metal o-ring for boll-weevil hanger end and sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106065947A true CN106065947A (en) | 2016-11-02 |
Family
ID=57207006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610667432.7A Pending CN106065947A (en) | 2016-08-15 | 2016-08-15 | A kind of metal o-ring for boll-weevil hanger end and sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106065947A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019179A (en) * | 2017-11-21 | 2018-05-11 | 纽威石油设备（苏州）有限公司 | A kind of metal sealing component and boll-weevil hanger |
| CN108266154A (en) * | 2017-09-27 | 2018-07-10 | 苏州优力克流体控制科技有限公司 | A kind of tubing hanger |
| CN109027460A (en) * | 2018-10-24 | 2018-12-18 | 山东科瑞井控系统制造有限公司 | 7 cun of hair casing metal sealing devices |
| CN111051902A (en) * | 2017-07-25 | 2020-04-21 | 皇虎科技(加拿大)有限公司 | System and method for automatic burn-in testing on integrated circuit devices |
Citations (8)
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|---|---|---|---|---|
| DE10028503A1 (en) * | 1999-06-22 | 2000-12-28 | Holding Ag Winterthur Kk | Seal arrangement for pipe connections has one component with annular groove, and other component with flat surface, and metal sealing ring |
| US20040056432A1 (en) * | 2002-09-25 | 2004-03-25 | Walker James M. | Metal seal with corrosion resistant alloy overlay |
| CN201225114Y (en) * | 2008-07-18 | 2009-04-22 | 大庆油田有限责任公司 | Downhole hydraulic self-sealing flexible plunger seal oil conduit type well head seal device |
| CN101684859A (en) * | 2008-09-27 | 2010-03-31 | 杭州南华汽车配件有限公司 | Dust-proof seal ring with built-in skeleton |
| CN201747924U (en) * | 2010-08-18 | 2011-02-16 | 盘锦鑫盛机械有限公司 | Double-metal high temperature seal ring |
| CN103925363A (en) * | 2013-01-10 | 2014-07-16 | 上海新莲泵阀有限公司 | Metal seal ring with elastic deformation under stress |
| CN205225152U (en) * | 2015-12-05 | 2016-05-11 | 山东科瑞井控系统制造有限公司 | Metal seal wellhead assembly |
| CN206221653U (en) * | 2016-08-15 | 2017-06-06 | 山东科瑞井控系统制造有限公司 | A kind of metal o-ring and sealing device for boll-weevil hanger end |
-
2016
- 2016-08-15 CN CN201610667432.7A patent/CN106065947A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10028503A1 (en) * | 1999-06-22 | 2000-12-28 | Holding Ag Winterthur Kk | Seal arrangement for pipe connections has one component with annular groove, and other component with flat surface, and metal sealing ring |
| US20040056432A1 (en) * | 2002-09-25 | 2004-03-25 | Walker James M. | Metal seal with corrosion resistant alloy overlay |
| CN201225114Y (en) * | 2008-07-18 | 2009-04-22 | 大庆油田有限责任公司 | Downhole hydraulic self-sealing flexible plunger seal oil conduit type well head seal device |
| CN101684859A (en) * | 2008-09-27 | 2010-03-31 | 杭州南华汽车配件有限公司 | Dust-proof seal ring with built-in skeleton |
| CN201747924U (en) * | 2010-08-18 | 2011-02-16 | 盘锦鑫盛机械有限公司 | Double-metal high temperature seal ring |
| CN103925363A (en) * | 2013-01-10 | 2014-07-16 | 上海新莲泵阀有限公司 | Metal seal ring with elastic deformation under stress |
| CN205225152U (en) * | 2015-12-05 | 2016-05-11 | 山东科瑞井控系统制造有限公司 | Metal seal wellhead assembly |
| CN206221653U (en) * | 2016-08-15 | 2017-06-06 | 山东科瑞井控系统制造有限公司 | A kind of metal o-ring and sealing device for boll-weevil hanger end |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111051902A (en) * | 2017-07-25 | 2020-04-21 | 皇虎科技(加拿大)有限公司 | System and method for automatic burn-in testing on integrated circuit devices |
| CN108266154A (en) * | 2017-09-27 | 2018-07-10 | 苏州优力克流体控制科技有限公司 | A kind of tubing hanger |
| WO2019174094A1 (en) * | 2017-09-27 | 2019-09-19 | 苏州优力克流体控制科技有限公司 | Tubing hanger |
| CN108019179A (en) * | 2017-11-21 | 2018-05-11 | 纽威石油设备（苏州）有限公司 | A kind of metal sealing component and boll-weevil hanger |
| CN109027460A (en) * | 2018-10-24 | 2018-12-18 | 山东科瑞井控系统制造有限公司 | 7 cun of hair casing metal sealing devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161102 |