CN107269244A - Ring packing assembly - Google Patents
Ring packing assembly Download PDFInfo
- Publication number
- CN107269244A CN107269244A CN201710711430.8A CN201710711430A CN107269244A CN 107269244 A CN107269244 A CN 107269244A CN 201710711430 A CN201710711430 A CN 201710711430A CN 107269244 A CN107269244 A CN 107269244A
- Authority
- CN
- China
- Prior art keywords
- ring
- lock ring
- metal sealing
- packing assembly
- sealing body
- 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.)
- Granted
Links
- 238000012856 packing Methods 0.000 title claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 239000002184 metal Substances 0.000 claims abstract description 79
- 229910052751 metal Inorganic materials 0.000 claims abstract description 79
- 229920001971 elastomer Polymers 0.000 claims description 12
- 239000000806 elastomer Substances 0.000 claims description 8
- 238000000059 patterning Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005553 drilling Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Gasket Seals (AREA)
Abstract
The present invention relates to sealing device technical field, and in particular to a kind of ring packing assembly, for being sealed between casing hanger high-pressure well is oral, and high-pressure well is oral to have lock ring groove;Ring packing assembly includes:Metal sealing body, the inner surface of metal sealing body and outer surface have raised metal sealing contact, are contacted for the inner surface oral with the outer surface and high-pressure well of casing hanger;And lock ring, lock ring couples with metal sealing body, and when being snapped into lock ring groove, metal sealing body is locked between the outer surface of casing hanger and the oral inner surface of high-pressure well.Casing hanger is sealed by metal seal, fixed again by lock ring in lock ring groove, make metal seal and the oral close connection sealing of high-pressure well, two way seal and be without any pure metal seal sealing for adding other secondary materials above and below realizing, the various operating modes of current oil drilling and production can be met, it is possible to achieve the high-pressure metal sealing under the conditions of wide temperature.
Description
Technical field
The present invention relates to sealing device technical field, and in particular to a kind of ring packing assembly.
Background technology
Underwater well head head system ring packing assembly ASA (Annulus Seal Assembly) is underwater well head head system
Most critical part, its sealing property quality and work reliability directly affect and determine whole marine petroleum exploitation
The security of system and operation life-span.Ring packing assembly ASA seal pressure grade belongs to high pressure even super-pressure, and operating mode is multiple
It is miscellaneous, it is all very high to its performance requirement.Designed sealing device is in addition to it disclosure satisfy that sealing, corrosion resistance, it is necessary to protect
Demonstrate,prove it and meet wide temperature range (design temperature:- 20 DEG C--150 DEG C), long Years Of Service, impact resistance, the performance requirement such as antifatigue.Ring
Shape seal assembly can only be sat by transferring instrument remote control and put to underwater wellhead setting position and reach sealing state,
Sealing difficulty is further increased, also needs to be recovered after the completion of its mission, therefore decentralization recovery is simple, reliable, it is total to be also sealing
The problem of considering into design.
Underwater wellhead ring packing assembly is that pressure packing is provided between each layer casing hanger and underwater wellhead, is
The pressure control equipment of underwater well head head system, what its sealing property quality directly influenced the work of whole underwater well head head system can
By property and stability.
Underwater well head head system proposes very high requirement to Sealing Technology, including high seal pressure grade, anti-H2S rings
The encapsulant in border, sealedly wide temperature range etc..China there is no the such deep water hydrocarbon drilling-production equipment of underwater well head head system at present, system
One bottleneck of about its development is that China not yet develops the sealing device suitable for ocean deepwater oil and gas production system.
There is larger gap both at home and abroad in terms of ocean deepwater Sealing Technology.
Existing conventional seals assembly is typically made up of top driving body and lower seal body.Seal assembly inwall has and transferred
The structure being engaged of instrument.With transferring the seal assembly after instrument coordinates along casing hanger tripping in, tripping in casing hanger outer ring
After the shaft shoulder, the top driving body extruding lower seal body of sealing ring assembly is until reach sealing effectiveness.
Existing conventional seals assembly is mainly characterized by:Lip is sealed, and a part utilizes the caoutchouc elasticity being surrounded by lip
Body is when body is extruded, elastomer lip, realizes and seals with body.Also have plenty of and directly squeezed on the inside of metal lip
Metallic object is pressed, so that lip extruding is sealed with body.The weak point of this structure is exactly because lip is relatively thin, in seal assembly
During marine riser and preventer, lip opening side is easier to scratch, so as to cause seal failure.
The content of the invention
Weak point present in regarding to the issue above, the present invention provides a kind of ring packing assembly.
To achieve the above object, the present invention provides a kind of ring packing assembly, for high-pressure well it is oral with casing hanger it
Between sealed, the high-pressure well it is oral have lock ring groove;
The ring packing assembly includes:
Metal sealing body, the inner surface of the metal sealing body and outer surface have raised metal sealing contact,
Outer surface and the oral inner surface of the high-pressure well for being hung with described sleeve pipe are contacted;With
Lock ring, the lock ring couples with the metal sealing body, and when being snapped into the lock ring groove, by the gold
Category seal body is locked between the outer surface of described sleeve pipe extension and the oral inner surface of the high-pressure well.
In above-mentioned ring packing assembly, further, the metal sealing body interior is perfused with compressible bullet
Property body or incompressible liquid, for extruding the metal sealing body, to cause the metal sealing contact to produce to institute
State casing hanger and the oral reaction force of the high-pressure well.
The ring packing assembly that embodiments in accordance with the present invention are provided, is sealed casing hanger by metal seal, then lead to
Cross lock ring fix in lock ring groove, make metal seal and high-pressure well it is oral it is close connection sealing, realize above and below two way seal
And be that, without any pure metal seal sealing for adding other secondary materials, current oil drilling and life can be met
The various operating modes of production, it is possible to achieve the high-pressure metal sealing under the conditions of wide temperature.
In addition, the ring packing assembly provided according to the above embodiment of the present invention also has following technical characteristic:
In above-mentioned ring packing assembly, it is preferable that the elastomer is rubber, the liquid is oil or water.
In above-mentioned ring packing assembly, further, the lock ring outer surface is configured with lug boss, the lug boss
It is adapted with the shape of the lock ring groove.
In above-mentioned ring packing assembly, further, the lug boss is raised teeth patterning, the lock ring groove
For the teeth patterning concaved.
In above-mentioned ring packing assembly, further, in addition to driving pressure ring, the inclined-plane of the driving pressure ring and institute
The inclined-plane for stating lock ring is in contact;
Wherein,
It is described driving pressure ring inclined-plane below be machined with flat contact surface, be machined with above the inclined-plane of the lock ring with
The contact plane of the flat contact surface engaging.
In above-mentioned ring packing assembly, further, in addition to main body, the main body is arranged at and the lock
Between ring and the metal sealing body;
Wherein, the main body and the metal sealing body is are threadedly coupled, and the main body and the lock ring pass through
Lock ring anti-rotation pin connection.
In above-mentioned ring packing assembly, further, in addition to drive pin, the drive pin, the drive pin is
Six are uniformly distributed in the main body one week and with dust-proof seal ring, the upper inclined surface of the drive pin and the lock ring
Lower bevel is contacted, the top contact that lower surface is hung with described sleeve pipe, to push up the drive pin, to cause the lock ring
It is flared out being locked into the lock ring groove.
In above-mentioned ring packing assembly, further, in addition to positioning wire, the positioning wire is arranged at described
Between main body and the metal sealing main body.
In above-mentioned ring packing assembly, further, in addition to linkage ring, the linkage ring is fastened on described main
Between body and the driving pressure ring.
The additional aspect and advantage of the present invention will be provided in following description section, partly will become bright from following description
It is aobvious, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the structural representation of annular seal assembly in one embodiment of the invention.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Example is applied to further describe the present invention.It should be noted that in the case where not conflicting, in embodiments herein and embodiment
Feature can be mutually combined.
Many details are elaborated in the following description to fully understand the present invention, and still, the present invention can be with
It is different from mode described here to implement using other, therefore, protection scope of the present invention is not by following public specific
The limitation of embodiment.
As shown in figure 1, the embodiments of the invention provide ring packing assembly, in high-pressure well oral 1 and casing hanger 10
Between sealed, high-pressure well oral 1 have lock ring groove 11;
Ring packing assembly includes:Metal sealing body 18 and lock ring 4;
Wherein, the inner surface 15 of metal sealing body 18 and outer surface 12 have raised metal sealing contact, for
The inner surface 13 of the outer surface 14 and high-pressure well oral 1 of casing hanger 10 is contacted;
Lock ring 4, lock ring 4 is connected with metal sealing body 18, and is fixed with lock ring groove 11.
It is to be appreciated that simple for diagram, Fig. 1 illustrate only along the portion on the left of the axis of high-pressure well oral 1
Point, do not show that with the left part along the symmetrical whole circumference part in axis.The size of aforementioned metal sealed contacts is smaller,
Therefore in Fig. 1 it does not appear that.When metal sealing body 18 is pressed between high-pressure well oral 1 and casing hanger 10
When, using the metal sealing contact, metal sealing body 18 can be lifted respectively between high-pressure well oral 1 and casing hanger 10
Bond strength.
Casing hanger is sealed by metal seal, then fixed by lock ring in lock ring groove, makes metal seal and height
The oral close connection of kill-job is simultaneously sealed, realize above and below two way seal and also be without it is any add other secondary materials it is pure
Metal seal sealing, the various operating modes of current oil drilling and production can be met, it is possible to achieve under the conditions of wide temperature
High-pressure metal is sealed.
In the above-mentioned technical solutions, compressible elastomer or incompressible liquid are perfused with inside metal sealing body 18
Body, for extruding metal sealing body 18, to cause metal sealing contact to produce oral to casing hanger 10 and high-pressure well 1 anti-work
Firmly.Further, elastomer is rubber, and liquid is oil or water.By in the inside castable rubber of metal sealing body 18 or oil
Or water, can promote metal sealing contact and casing hanger 10 outer surface 14 and high-pressure well oral 1 inner surface 13 it is even closer
Laminating, improves sealing effectiveness.
In the above-mentioned technical solutions, the outer surface of lock ring 4 is configured with lug boss, and lug boss is mutually fitted with the shape of lock ring groove 11
Match somebody with somebody.Wherein, lug boss is raised teeth patterning, and lock ring groove 11 is the teeth patterning concaved.Lug boss can also be raised
The teeth patterning of different angles, lock ring groove 11 can also be the different angle teeth patternings that concave, raised tooth and depression tooth
Mutual clamping, for locking annular seal assembly and high-pressure well oral 1, above-mentioned mounting means serves lock quick and easy for installation
Determine effect.
In another technical scheme, in addition to driving pressure ring 2, the inclined-plane of driving pressure ring 2 connects with the inclined-plane of lock ring 4
Touch, the angle on two inclined-planes is identical, in order to preferably laminating, it is to avoid bad due to fitting, cause lock ring 4 to move bad ask
Topic.Flat contact surface 19 is machined with below the inclined-plane of driving pressure ring 2, is machined with above the inclined-plane of lock ring 4 and plane contact
The plane that face 19 engages can avoid the ramp effect on the inclined-plane of lock ring 4 and driving pressure ring in decentralization process, cause lock ring 4 to shift to an earlier date
Open.
In another technical scheme, in addition to main body 5, main body 5 be arranged at lock ring 4 and metal sealing body 18 it
Between;Wherein, main body 5 and metal sealing body 18 is are threadedly coupled, and main body 5 and lock ring 4 are positioned by lock ring stop pin 6.
Wherein main body 5 is anterior inserts the rear end of metal sealing body 18 and by the positioning and locking of steel wire 8, for improving main body 5 and gold
Belong to the steadiness that seal body 18 is connected, further improve the stability of ring packing assembly.
In another technical scheme, in addition to drive pin 7, the drive pin 7 six is uniformly distributed in one week of main body 5
And the upper inclined surface with the drive pin 7 of dust-proof seal ring 9 is contacted with the lower bevel of lock ring 4, lower surface 17 and casing hanger 10
Top 16 is contacted, that is, seal assembly in place when drive pin 7 upper inclined surface drive lock ring 4 lower inclined plane, promote lock ring 4 to
Outer open is locked into lock ring groove 11.
In another technical scheme, in addition to alignment pin 6, alignment pin 6 is arranged at the top of main body 5.It is fixed by alignment pin 6
Position lock ring avoids movement, good positioning effect.
In another technical scheme, in addition to linkage ring 3, linkage ring 3, which is threadedly attached in, drives the sidepiece of pressure ring 2.Connection
Rotating ring 3 is equal with the inner side of driving pressure ring 2, it is to avoid raised, influence operation occur.
When specifically used:In the presence of running tool thrust F, driving pressure ring 2 using with the flat contact surface 19 of lock ring 4 to
Lower promotion main body 5 and metal sealing body 18, there is an equal angular in the outside 14 of metal sealing body 18 and casing hanger 10
Mating surface, when causing the bottom of drive pin 7 to be contacted with the top 16 of casing hanger 10 in thrust, the top of drive pin 7
The inner side effect driving lock ring 4 on inclined-plane and lock ring 4 is flared out, and promotes to drive the contact plane 19 of pressure ring 2 and lock ring 4 to be moved to
Contact of incline plane, by driving the slope driving lock ring 4 of pressure ring 2 outwardly against entering well head head lock ring groove 11.
The bottom of main body 5 is contacted with the top 16 of casing hanger 10 simultaneously, and seal assembly is installed in place, now seal assembly
Metal sealing body 18 be squeezed into the annular space of casing hanger 10 and high-pressure well oral 1, metal sealing body 18 it is interior
The metal sealing contact that there are three projections side 15 contacts with the outer surface 14 of casing hanger 10 and realizes metal sealing, metal sealing sheet
Also there is the hard contact of three projections the outer surface 12 of body 18 and realizes metal sealing while being contacted with oral 1 inner surface 13 of high-pressure well.
Seal assembly positive hydraulic action metal sealing body 18 just similar D type sealing rings, metal sealing sheet
18 inner surface 15 and outer surface 12 are close with the metal between the inner surface 13 of the outer surface 14 of casing hanger 10 and high-pressure well oral 1
Envelope is more effective.When pressure testing reverse from the bottom of seal assembly due to seal assembly main body 5 and the top of metal sealing body 18
Position remained stationary as in the presence of lock ring 4, therefore metal sealing body 18 this D types sealing ring can equally become to inside and outside
Shape, so as to realize the effect of metal sealing.The ring packing assembly of the design both realized above and below two way seal and also be without
Any pure metal sealing for adding other secondary materials.
Seal assembly has selected erosion-resisting metal material, can meet the various operating modes of current oil drilling and production,
The high-pressure metal sealing under the conditions of wide temperature can be realized.
1. the key point of the design is to be produced using the inside of metal sealing body 18 for the hollow incompressible elastomer of perfusion
Raw reaction force, so as to realize that the surfaces externally and internally of metal sealing body 18 is implemented and high-pressure well mouth respectively at the outer surface of casing hanger 10
First 1 inner surface 13 realizes effective metal sealing;
2. there is identical angle the outer surface 14 using the inner surface 15 of metal sealing body 18 and casing hanger 10, in feeding work
Easily seal assembly is pressed into place in the presence of tool down thrust and makes metal sealing body 18 in the presence of whole inclined-plane
Metal sealing is realized between overall deformation and high-pressure well oral 1;
3. the contact plane 19 between driving pressure ring 2 and lock ring 4 can ensure that seal assembly will not be carried in decentralization process
Preceding sit is hung, and only main body 5 and drive pin 7 are contacted with the top 16 of casing hanger 10 could realize seal assembly seat extension, and this
When, extruded on 45 degree inclined-planes of lock ring 4 and lock ring groove 11 further such that seal assembly completely in place.
4. this programme of metal sealing body 18 is monoblock type, it can also be easy to simplify processing with welding up and down;
5. metal sealing body 18 is threadedly coupled with the connected mode of main body 5 using moment of torsion, it would however also be possible to employ retaining ring
Form to reach the effect of locking;The perfusion of metal sealer 18 elastomer can also reach elasticity using suitable liquid is irrigated
The effect of body.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of ring packing assembly, for being sealed between high-pressure well oral (1) and casing hanger (10), the high-pressure well
Oral (1) has lock ring groove (11);
The ring packing assembly includes:
Metal sealing body (18), the inner surface (15) of the metal sealing body (18) and outer surface (12) have raised gold
Belong to sealed contacts, for hanging the outer surface (14) of (10) and the inner surface (13) of the high-pressure well oral (1) with described sleeve pipe
Contact;With
Lock ring (4), the lock ring (4) couples with the metal sealing body (18), and is being snapped into the lock ring groove (11)
When, the outer surface (14) and the high-pressure well that the metal sealing body (18) is locked in into described sleeve pipe extension (10) are oral
(1) between inner surface (13).
2. ring packing assembly according to claim 1, it is characterised in that irrigated inside the metal sealing body (18)
There are compressible elastomer or incompressible liquid, for extruding the metal sealing body (18), to cause the metal
Sealed contacts produce the reaction force that (10) and the high-pressure well oral (1) are hung to described sleeve pipe.
3. ring packing assembly according to claim 2, it is characterised in that the elastomer is rubber, the liquid is
Oil or water.
4. ring packing assembly according to claim 1, it is characterised in that lock ring (4) outer surface is configured with projection
The shape of portion, the lug boss and the lock ring groove (11) is adapted.
5. ring packing assembly according to claim 4, it is characterised in that the lug boss is raised teeth patterning,
The lock ring groove is the teeth patterning concaved.
6. the ring packing assembly according to claim any one of 1-5, it is characterised in that also including driving pressure ring (2), institute
The inclined-plane for stating driving pressure ring (2) is in contact with the inclined-plane of the lock ring (4);
Wherein,
Flat contact surface (19) is machined with below the inclined-plane of the driving pressure ring (2), is added above the inclined-plane of the lock ring (4)
Work has the contact plane engaged with the flat contact surface (19).
7. the ring packing assembly according to claim any one of 1-6, it is characterised in that described also including main body (5)
Main body (5) is arranged between the lock ring (4) and the metal sealing body (18);
Wherein, the main body (5) and the metal sealing body (18) are threaded connection, the main body (5) and the lock
Ring (4) is connected by lock ring stop pin (6).
8. ring packing assembly according to claim 7, it is characterised in that also including drive pin (7), the drive pin
(7), the drive pin (7) is uniformly distributed in the main body (5) one weeks and with dust-proof seal ring (9) for six, described to drive
The upper inclined surface of dynamic pin (7) is contacted with the lower bevel of the lock ring (4), and lower surface (17) hang the top of (10) with described sleeve pipe
(16) contact, to push up the drive pin (7), the lock ring groove (11) is locked into cause the lock ring (4) to be flared out.
9. ring packing assembly according to claim 8, it is characterised in that also including positioning wire (8), the positioning steel
Silk (8) is arranged between the main body (5) and the metal sealing main body (18).
10. the ring packing assembly according to claim any one of 8-9, it is characterised in that also including linkage ring (3), institute
Linkage ring (3) is stated to be fastened between the main body (5) and the driving pressure ring (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710711430.8A CN107269244B (en) | 2017-08-18 | 2017-08-18 | Annular seal assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710711430.8A CN107269244B (en) | 2017-08-18 | 2017-08-18 | Annular seal assembly |
Publications (2)
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CN107269244A true CN107269244A (en) | 2017-10-20 |
CN107269244B CN107269244B (en) | 2023-07-04 |
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CN201710711430.8A Active CN107269244B (en) | 2017-08-18 | 2017-08-18 | Annular seal assembly |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108360997A (en) * | 2018-05-09 | 2018-08-03 | 上海霞为石油设备技术服务有限公司 | A kind of new type of deep-water annular space seal assembly device |
CN108487874A (en) * | 2018-05-09 | 2018-09-04 | 上海霞为石油设备技术服务有限公司 | A kind of novel annular space seal assembly device |
CN109000914A (en) * | 2018-07-11 | 2018-12-14 | 中海石油(中国)有限公司湛江分公司 | A kind of experimental rig and method of ring packing assembly seal body |
CN110552651A (en) * | 2018-06-04 | 2019-12-10 | 上海霞为石油设备技术服务有限公司 | novel deep water well head equipment |
CN114320211A (en) * | 2020-10-09 | 2022-04-12 | 中国海洋石油集团有限公司 | Thermal recovery positioning insertion sealing device |
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侯超;秦浩智;肖文生;刘健;: "环形金属密封总成密封机制及性能分析" * |
Cited By (10)
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CN108360997A (en) * | 2018-05-09 | 2018-08-03 | 上海霞为石油设备技术服务有限公司 | A kind of new type of deep-water annular space seal assembly device |
CN108487874A (en) * | 2018-05-09 | 2018-09-04 | 上海霞为石油设备技术服务有限公司 | A kind of novel annular space seal assembly device |
CN108487874B (en) * | 2018-05-09 | 2024-02-13 | 上海霞为石油设备技术服务有限公司 | Annular space sealing assembly device |
CN108360997B (en) * | 2018-05-09 | 2024-02-13 | 上海霞为石油设备技术服务有限公司 | Annular sealing assembly device for deep water |
CN110552651A (en) * | 2018-06-04 | 2019-12-10 | 上海霞为石油设备技术服务有限公司 | novel deep water well head equipment |
CN110552651B (en) * | 2018-06-04 | 2024-06-11 | 上海霞为石油设备技术服务有限公司 | Novel deep water wellhead equipment |
CN109000914A (en) * | 2018-07-11 | 2018-12-14 | 中海石油(中国)有限公司湛江分公司 | A kind of experimental rig and method of ring packing assembly seal body |
CN109000914B (en) * | 2018-07-11 | 2024-02-02 | 中海石油(中国)有限公司湛江分公司 | Test device and method for sealing body of annular sealing assembly |
CN114320211A (en) * | 2020-10-09 | 2022-04-12 | 中国海洋石油集团有限公司 | Thermal recovery positioning insertion sealing device |
CN114320211B (en) * | 2020-10-09 | 2024-03-08 | 中国海洋石油集团有限公司 | Thermal recovery positioning insertion sealing device |
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