CN209606042U - A kind of ring packing assembly test equipment - Google Patents
A kind of ring packing assembly test equipment Download PDFInfo
- Publication number
- CN209606042U CN209606042U CN201822203276.6U CN201822203276U CN209606042U CN 209606042 U CN209606042 U CN 209606042U CN 201822203276 U CN201822203276 U CN 201822203276U CN 209606042 U CN209606042 U CN 209606042U
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- Prior art keywords
- pressure
- oral
- piston
- ring
- sealing
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Abstract
The utility model discloses a kind of ring packing assembly test equipments, and by wellhead equipment assembly and hydraulic cylinder assembly, wellhead equipment assembly is connect with hydraulic cylinder assembly by connecting rod, and high-pressure well is oral to have the first lock ring slot and inner sealing surface；Wellhead equipment assembly includes oral high-pressure well, casing hanger, seal assembly and mandrel, equipped with sealing original part on casing hanger, casing hanger setting is in high-pressure well is oral, casing hanger seat is hung on the oral seat hanging platform rank of high-pressure well, mandrel setting is in high-pressure well is oral, first lock ring is installed, seal assembly is arranged between the external seal face of casing hanger and the inner sealing surface that high-pressure well is oral, and mandrel is oral and casing hanger is connect with high-pressure well respectively on mandrel；Casing hanger has the second lock ring slot；Hydraulic cylinder assembly includes piston fluid cylinder, end cap, piston only and indicating arm.The test of different pressures rank can be carried out to different seal assemblies by adopting the above technical scheme, the casing hanger sealing surface that need to only cooperate seal assembly converts.
Description
Technical field
The utility model relates to sealing device technical field, in particular to a kind of ring packing assembly test equipment.
Background technique
Ring packing assembly is a core equipment being drilled in well wellhead equipment system, it is mainly being drilled well operations mistake
The isolation and sealing between each layer casing annulus are played in journey, the superiority and inferiority of sealing performance and the reliability of work directly affect simultaneously
Determine safety and the operation service life of entire marine petroleum exploitation system.The sealed pressure grade of ring packing assembly belongs to height
Pressure even super-pressure, operating condition is complicated, all very high to its performance requirement.Designed sealing device is in addition to can satisfy sealing, resisting
Except corrosivity, it is necessary to guarantee its meet wide temperature range (design temperature: -20 DEG C--150 DEG C), long Years Of Service, impact resistance,
Antifatigue equal performance requirements.Ring packing assembly can only be sat to put to underwater wellhead and be set by decentralization tool remote control
Position simultaneously reaches sealing state, further increases sealing difficulty, also needs to be recovered after the completion of mission, therefore transfers recycling letter
Single, reliable and seal assembly design will consider the problems of.
Ring packing assembly provides pressure packing between each layer casing hanger and underwater wellhead, is underwater wellhead
The pressure control equipment of system, its sealing performance superiority and inferiority directly influence the reliability and stabilization of entire underwater well head head system work
Property.
Underwater well head head system proposes very high requirement to sealing technique, including high sealed pressure grade, anti-H2S ring
Sealing material, the wide temperature range of sealing in border etc..The well head system used on the market at present all is from external several companies, though
Right Ye You enterprise, the country is researching and developing but is all resting on imitation and analysis phase mostly.And these products use special material and
Special process copys the requirement that the product come out is all unable to satisfy field operation at home there is also there is biggish difference.
This aspect is the block and limitation due to external producer to technology, is on the other hand also due to the country and grinds to these products
Study carefully and be unable to systematization, so as to cause the limitation of product.The product of foreign countries' production is multifarious due to each company's product, i.e.,
So that us is bought existing product can not be also tested for the property with unified test structure, also can not just assess the qualification of product
Energy.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of ring packing assembly test equipment, for testing sealing
Assembly is sealed high-pressure well is oral between casing hanger, can be carried out to different seal assemblies in this set test equipment
The test of different pressures rank only to the casing hanger sealing surface that seal assembly cooperates need to slightly convert.
One of the utility model ring packing assembly test equipment, comprising: wellhead equipment assembly and hydraulic cylinder assembly,
The wellhead equipment assembly is connect with hydraulic cylinder assembly by connecting rod；
The wellhead equipment assembly includes that high-pressure well is oral, casing hanger, seal assembly and mandrel, the oral tool of high-pressure well
There are the first lock ring slot and inner sealing surface, described sleeve pipe is hung up equipped with sealing original part, and described sleeve pipe, which is hung, sets in high-pressure well is oral,
Described sleeve pipe is hung to sit and be hung on the oral seat hanging platform rank of high-pressure well, and the mandrel setting is in high-pressure well is oral, on the mandrel
First lock ring is installed, the seal assembly is arranged between the external seal face of casing hanger and the inner sealing surface that high-pressure well is oral,
The mandrel is oral and casing hanger is connect with high-pressure well respectively；Described sleeve pipe hanger has the second lock ring slot；
The hydraulic cylinder assembly includes piston fluid cylinder, end cap, piston only and indicating arm, one end of the connecting rod and piston
Ontology connection, the connecting rod are connect far from one end of piston only with mandrel, and the piston fluid cylinder is connect with piston only, described
End cap is connect with piston fluid cylinder, and the indicating arm passes through piston only and end cap and extends out from the lower end of end cap.
In above scheme, the seal assembly includes seal body, sealing main body, outer lock rings, inner lock rings, first step
And second lock ring, the seal body are suspended on the first lock ring, the sealing main body setting is high-pressure well is oral and casing
In annular space between extension, the first step of the sealing main body is connect with casing hanger, and second lock ring and sealing are originally
Body connection, the seal body are equipped with outer lock rings and inner lock rings, and the outer lock rings are arranged in the first lock ring slot, the internal lock
Ring is arranged in the second lock ring slot, and the seal body is locked at the external seal face of casing hanger and the inner sealing surface that high-pressure well is oral
Between, the seal body further includes seal point in first, seal point, the first external seal point and the second external seal point in second,
The first external seal point and oral with the high-pressure well inner sealing surface of the second external seal point contact, in described first seal point and
In second seal point with the external seal face contact of casing hanger.
In above scheme, described sleeve pipe hanger has second step, and the first step of the sealing main body is sitting in casing hanger
Second step on.
In above scheme, the mandrel is equipped with third step, and the third step is connect with sealing main body, the mandrel
With high-pressure well it is oral between be equipped with piston ring, the outside table of the piston ring inner sealing surface and mandrel oral with high-pressure well respectively
Face connects, and the first high pressure sealing is housed on the outer surface of the piston ring, and it is high to be equipped with second on the outer surface of the mandrel
Means of press seals, first high pressure sealing inner sealing surface oral with high-pressure well contact, second high pressure sealing and piston ring
Inner surface contact.
In above scheme, the high-pressure well is additionally provided with the first pressure testing mouth, the second pressure testing mouth and third pressure testing mouth, institute in word
The one end for stating the first pressure testing mouth is arranged on the oral outer surface of high-pressure well, and the first pressure testing mouth is oral outer far from high-pressure well
One end of side surface passes through the oral inner sealing surface of high-pressure well and connect with piston ring, and the second pressure testing mouth is connected to high-pressure well mouth
The outer surface and inner sealing surface of head, the second pressure testing mouth are arranged below the first pressure testing mouth, the third pressure testing mouth connection
High-pressure well oral outer surface and inner sealing surface, the third pressure testing mouth are arranged below the second pressure testing mouth.
In above scheme, the piston ring is equipped with sealing piston, and the sealing piston is equipped with pressure ring, and the sealing is lived
Plug is bolted and is fixed by nuts with pressure ring, the left side of the pressure ring and upper surface, the high-pressure well mouth of sealing piston
Head inner sealing surface between be equipped with upper lock ring, the upper lock ring respectively with the left side of pressure ring, the upper surface of sealing piston and height
The oral inner sealing surface connection of kill-job.
In above scheme, the junction of the piston fluid cylinder and end cap is additionally provided with first pressure mouth and second pressure mouth, institute
State the upside that piston fluid cylinder is arranged in first pressure mouth, the second pressure mouth is arranged in the downside of piston fluid cylinder, and described first
Pressure port is located at the top of second pressure mouth.
Advantages and beneficial effects of the utility model lie in that the utility model provides a kind of ring packing assembly, it can be with needle
Different seal assembly structures is tested, in place and function and pressure survey can be carried out using piston fluid cylinder with once mounting
Examination, hydraulic operation is relatively stable, and is realized by the monitoring of position instruction and pressure to position in seal assembly installation process
Real-time monitoring is carried out with thrust, while the forward direction that different pressures rank can also be carried out to different seal assemblies is surveyed with reversed
Examination, the casing hanger sealing surface that need to only cooperate seal assembly, which carries out slightly transformation, can be realized.
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, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of annular seal assembly in the utility model embodiment.
In figure: 1, oral 2, the first lock ring slot 3 of high-pressure well, inner sealing surface 4, casing hanger
5, mandrel 6, sealing original part 7, seat hanging platform rank 8, the first lock ring 9, connecting rod
10, external seal face 11, the second lock ring slot 12, piston fluid cylinder 13, end cap 14, piston only
15, indicating arm 16, seal body 17, sealing main body 18, outer lock rings 19, inner lock rings
20, first step 21, seal point in seal point 23, second in the second lock ring 22, first
24, the first external seal point 25, the second external seal point 26, second step 27, third step
28, piston ring 29, the first high pressure sealing 30, the second high pressure sealing 31, the first pressure testing mouth
32, the second pressure testing mouth 33, third pressure testing mouth 34, sealing piston 35, pressure ring
36, upper lock ring 37, first pressure mouth 38, second pressure mouth
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
As shown in Figure 1, the utility model is a kind of ring packing assembly test equipment, by a set of wellhead equipment assembly and one
Hydraulic cylinder assembly composition is covered, wellhead equipment assembly is connect with hydraulic cylinder assembly by connecting rod 9；
Wellhead equipment assembly includes high-pressure well oral 1, casing hanger 4, seal assembly and mandrel 5, and high-pressure well oral 1 has the
One lock ring slot 2 and inner sealing surface 3, equipped with sealing original part 6 on casing hanger 2, casing hanger 4 is arranged in high-pressure well oral 1, casing hanger
4 seats are hung on the seat hanging platform rank 7 of high-pressure well oral 1, and mandrel 5 is arranged in high-pressure well oral 1, and the first lock is equipped on mandrel 5
Ring 8, seal assembly are arranged between the external seal face of casing hanger 4 and the inner sealing surface 3 of high-pressure well oral 1, mandrel 5 respectively with
High-pressure well oral 1 and casing hanger 4 connect；Casing hanger 4 has the second lock ring slot 11；
Hydraulic cylinder assembly includes piston fluid cylinder 12, end cap 13, piston only 14 and indicating arm 15, one end of connecting rod 9 and work
Plug body 14 connects, and the one end of connecting rod far from piston only 14 is connect with mandrel 5, and piston fluid cylinder 12 is connect with piston only 14,
End cap 13 is connect with piston fluid cylinder 12, and indicating arm 15 passes through piston only 14 and end cap 13 and extends from the lower end of end cap 13
Come.
Further, seal assembly includes seal body 16, sealing main body 17, outer lock rings 18, inner lock rings 19, first
Step 20 and the second lock ring 21, seal body 16 are suspended on the first lock ring 8, and sealing main body 17 is arranged in high-pressure well oral 1
In annular space between casing hanger 4, the first step 20 of sealing main body 17 is connect with casing hanger 4, the second lock ring 21 and
Seal body 16 connects, and seal body 16 is equipped with outer lock rings 18 and inner lock rings 19, and outer lock rings 18 are arranged in the first lock ring slot 2
Interior, inner lock rings 19 are arranged in the second lock ring slot 11, and seal body 16 is locked at external seal face 10 and the high-pressure well mouth of casing hanger 4
Between first 1 inner sealing surface 3, seal body 16 further includes seal point 23, the first external seal in seal point 22, second in first
Point 24 and the second external seal point 25, the inner sealing surface 3 of the first external seal point 24 and the second external seal point 25 with high-pressure well oral 1
It contacts, seal point 23 is contacted with the external seal face 10 of casing hanger 4 in seal point 22 and second in first.
Further, casing hanger 4 has second step 26, and the first step 20 of sealing main body 17 is sitting in casing hanger 4
On second step 26.
Further, mandrel 5 is equipped with third step 27, and third step 27 is connect with sealing main body 17, mandrel 5 and high pressure
Piston ring 28, the outer surface with the inner sealing surface 3 of high-pressure well oral 1 and mandrel 5 respectively of piston ring 28 are equipped between well head head 1
It connects, the first high pressure sealing 29 is housed on the outer surface of piston ring 28, second high densification is housed on the outer surface of mandrel 5
Envelope 30, the first high pressure sealing 29 is contacted with the inner sealing surface 3 of high-pressure well oral 1, and the second high pressure sealing 30 is interior with piston ring 28
Side surface contact.
Further, the first pressure testing mouth 31, the second pressure testing mouth 32 and third pressure testing mouth 33 are additionally provided on high-pressure well oral 1,
One end of first pressure testing mouth 31 is arranged on the outer surface of high-pressure well oral 1, and the first pressure testing mouth 31 is far from high-pressure well oral 1
One end of outer surface passes through the inner sealing surface 3 of high-pressure well oral 1 and connect with piston ring 28, and the second pressure testing mouth 32 is connected to high pressure
The outer surface and inner sealing surface 3 of well head head 1, the second pressure testing mouth 32 are arranged below the first pressure testing mouth 31, third pressure testing mouth 33
It is connected to the outer surface and inner sealing surface 3 of high-pressure well oral 1, third pressure testing mouth 33 is arranged below the second pressure testing mouth 32.
Further, piston ring 28 be equipped with sealing piston 34, sealing piston 34 be equipped with pressure ring 35, sealing piston 34 with
Pressure ring 35 is bolted and is fixed by nuts, and the left side of pressure ring 35 and the upper surface of sealing piston 34, high-pressure well are oral
Upper lock ring 36, upper lock ring 36 upper surface with the left side of pressure ring 35, sealing piston 34 respectively are equipped between 1 inner sealing surface 3
And the inner sealing surface 3 of high-pressure well oral 1 connects.
Further, the junction of piston fluid cylinder 12 and end cap 13 is additionally provided with first pressure mouth 37 and second pressure mouth 38,
The upside of piston fluid cylinder 12 is arranged in first pressure mouth 37, and the downside of piston fluid cylinder 12, the first pressure is arranged in second pressure mouth 38
Power mouth 37 is located at the top of second pressure mouth 38.
A kind of installation testing method of ring packing assembly test equipment, comprising:
S1: high-pressure well oral 1 is placed on horizontal table, and the casing hanger 4 equipped with sealing original part 6 is then put into height
In kill-job oral 1, seat is hung on the seat hanging platform rank 7 of high-pressure well oral 1；
S2: the first lock ring 8 is installed on mandrel 5 and is used to hang and recycle seal assembly, seal body 16 is suspended on the
On one lock ring 8, and lift the mandrel 5 with seal body 16 together in tripping in high-pressure well oral 1；
S3: piston fluid cylinder 12 and high-pressure well oral 1 being attached, then connecting rod 9 and mandrel 5 are attached, connecting rod 9
Piston only 14 is installed in lower end, and end cap 13 is installed on piston fluid cylinder 12；
S4: suppressing the first pressure mouth 37 above piston fluid cylinder 12, and piston only 14 moves downward while connecting rod 9
Mandrel 5 is pulled to move downward, the third step 27 of mandrel 5 pushes sealing main body 17 to press downward to high-pressure well oral 1 and casing
It hangs in 4 annular space, on the second step 26 that the first step 20 of sealing main body 17 sits on casing hanger 4, at this moment seals
Ontology 16 is installed in place, and is mounted on 14 instruction from above bar 15 of piston only by measurement and is confirmed whether in place；
S5: ring installation 28 and sealing piston 34, and install lock ring 36 and locked with pressure ring 35, confirmation is all arrived
It is suppressed by the first pressure testing mouth 31 so that piston ring 28 is pressed down against the second lock ring 21 of seal assembly, while second behind position
Lock ring 21 can squeeze into outer lock rings 18 in first lock ring slot 2 of high-pressure well oral 1, and the inner lock rings 19 of seal assembly are squeezed into set
In second lock ring slot 11 of pipe hanger 4, seal body 16 is locked in high-pressure well oral 1 and casing hanger 4 at this time；
S6: carrying out positive pressure testing test by 32 pairs of seal bodies 16 of the second pressure testing mouth, living during positive pressure testing
Plug ring 28 moves back to original position with the effect of pressure, and first high pressure sealing 29 and mandrel are housed in the upper surface of piston ring 28
Sealing is realized in upper 5 the second high pressure sealing 30, and the sealing annular space that this sealpiston-ring 28 is formed is smaller, to upper under high pressure effect
The thrust of lock ring 36 is also smaller；
S7: reversed pressure testing test can be carried out by third pressure testing mouth 33 after positive test, passes through work after pressure testing
Fill in fluid cylinder 12 in second pressure mouth 38, under pressure piston only 16 push up connecting rod 9 to push mandrel 5 to
Upper movement, at this time the first lock ring 8 can be again coupled in seal body 16 second lock ring 21 to pull out seal body 16 make it is outer
First lock ring slot 2 of lock ring 18 and high-pressure well oral 1 disengages, the inner lock rings 19 of seal body 16 and the second lock ring of casing hanger 4
Slot 11 unclamps that seal assembly is driven integrally to pull out and recycle.
The advantages of the utility model and the utility model has the advantages that
1, piston fluid cylinder 12 and installation ontology with the use of ensure that the stable type of test, while can also monitor entire
Test process is installed, convenient for recording the process of each test point；
2, mandrel 5 has 8 hanging convenient of the first lock ring matched and is sent into seal assembly, while can also recycle sealing
Assembly, the repeated work that this structure reduces installation and recycling to test more convenient；
3, piston ring 28 can both be pressed into lock sealing assembly, and also reducing annular space bearing area reduces lock ring 36
Bearing load；
A kind of ring packing assembly test equipment and its installation testing method of the utility model, can be for different close
Envelope assembly structure is tested, and in place and can carry out function and pressure test, hydraulic behaviour with once mounting using piston fluid cylinder 12
Make relatively stable, and is realized by the monitoring of position instruction and pressure and position in seal assembly installation process and thrust are carried out
Real-time monitoring, while the forward direction and negative testing of different pressures rank can also be carried out to different seal assemblies, it only need to be to close
4 sealing surface of casing hanger of envelope assembly cooperation, which carries out slightly transformation, can be realized, and can also carry out temperature and pressure to seal assembly
The test of circulation.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of ring packing assembly test equipment, which is characterized in that the ring packing assembly test equipment includes: that well head is set
Standby assembly and hydraulic cylinder assembly, the wellhead equipment assembly are connect with hydraulic cylinder assembly by connecting rod；
The wellhead equipment assembly includes that high-pressure well is oral, casing hanger, seal assembly and mandrel, and the high-pressure well is oral to have
One lock ring slot and inner sealing surface, described sleeve pipe are hung up equipped with sealing original part, and described sleeve pipe, which is hung, sets in high-pressure well is oral, described
Casing hanger seat is hung on the oral seat hanging platform rank of high-pressure well, and the mandrel setting is installed on the mandrel in high-pressure well is oral
There is the first lock ring, the seal assembly is arranged between the external seal face of casing hanger and the inner sealing surface that high-pressure well is oral, described
Mandrel is oral and casing hanger is connect with high-pressure well respectively；Described sleeve pipe hanger has the second lock ring slot；
The hydraulic cylinder assembly includes piston fluid cylinder, end cap, piston only and indicating arm, one end of the connecting rod and piston only
Connection, the connecting rod are connect far from one end of piston only with mandrel, and the piston fluid cylinder is connect with piston only, the end cap
It is connect with piston fluid cylinder, the indicating arm passes through piston only and end cap and extends out from the lower end of end cap.
2. a kind of ring packing assembly test equipment according to claim 1, which is characterized in that the seal assembly includes
Seal body, sealing main body, outer lock rings, inner lock rings, first step and the second lock ring, the seal body are suspended on the first lock
On ring, the sealing main body is arranged in the oral annular space between casing hanger of high-pressure well, the sealing main body
First step is connect with casing hanger, and second lock ring is connect with seal body, and the seal body is equipped with outer lock rings and interior
Lock ring, the outer lock rings are arranged in the first lock ring slot, and the inner lock rings are arranged in the second lock ring slot, the seal body lock
Tightly between the oral inner sealing surface in the external seal face of casing hanger and high-pressure well, the seal body further includes sealing in first
Point, seal point, the first external seal point and the second external seal point in second, the first external seal point and the second external seal point with
The oral inner sealing surface of high-pressure well contacts, and seal point connects with the external seal face of casing hanger in seal point and second in described first
Touching.
3. a kind of ring packing assembly test equipment according to claim 2, which is characterized in that described sleeve pipe hanger has
The first step of two steps, the sealing main body is sitting on the second step of casing hanger.
4. a kind of ring packing assembly test equipment according to claim 2, which is characterized in that the mandrel is equipped with third
Step, the third step connects with sealing main body, the mandrel and high-pressure well it is oral between equipped with piston ring, the piston
The outer surface of the ring inner sealing surface and mandrel oral with high-pressure well respectively is connect, equipped with the on the outer surface of the piston ring
One high pressure sealing is equipped with the second high pressure sealing on the outer surface of the mandrel, and first high pressure sealing and high-pressure well are oral
Inner sealing surface contact, second high pressure sealing contacts with the inner surface of piston ring.
5. a kind of ring packing assembly test equipment according to claim 4, which is characterized in that the high-pressure well is in word
It is additionally provided with the first pressure testing mouth, the second pressure testing mouth and third pressure testing mouth, one end setting of the first pressure testing mouth is oral in high-pressure well
Outer surface on, the first pressure testing mouth passes through the oral interior sealing of high-pressure well far from one end of the oral outer surface of high-pressure well
Face is simultaneously connect with piston ring, the second pressure testing mouth connection high-pressure well oral outer surface and inner sealing surface, second examination
Mouth is pressed to be arranged below the first pressure testing mouth, the third pressure testing mouth connection high-pressure well oral outer surface and inner sealing surface, institute
Third pressure testing mouth is stated to be arranged below the second pressure testing mouth.
6. a kind of ring packing assembly test equipment according to claim 5, which is characterized in that the piston ring is equipped with
Sealing piston, the sealing piston are equipped with pressure ring, and the sealing piston is bolted and is fixed by nuts with pressure ring, institute
It states and is equipped with upper lock ring, the locking between the oral inner sealing surface of the left side of pressure ring and the upper surface of sealing piston, high-pressure well
The inner sealing surface oral with the left side of pressure ring, the upper surface of sealing piston and high-pressure well is connect ring respectively.
7. a kind of ring packing assembly test equipment according to claim 6, which is characterized in that the piston fluid cylinder and end
The junction of lid is additionally provided with first pressure mouth and second pressure mouth, and the upside of piston fluid cylinder, institute is arranged in the first pressure mouth
The downside that piston fluid cylinder is arranged in second pressure mouth is stated, the first pressure mouth is located at the top of second pressure mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822203276.6U CN209606042U (en) | 2018-12-26 | 2018-12-26 | A kind of ring packing assembly test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822203276.6U CN209606042U (en) | 2018-12-26 | 2018-12-26 | A kind of ring packing assembly test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209606042U true CN209606042U (en) | 2019-11-08 |
Family
ID=68398506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822203276.6U Expired - Fee Related CN209606042U (en) | 2018-12-26 | 2018-12-26 | A kind of ring packing assembly test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209606042U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556807A (en) * | 2018-12-26 | 2019-04-02 | 中海石油(中国)有限公司湛江分公司 | A kind of ring packing assembly test equipment and its installation testing method |
-
2018
- 2018-12-26 CN CN201822203276.6U patent/CN209606042U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556807A (en) * | 2018-12-26 | 2019-04-02 | 中海石油(中国)有限公司湛江分公司 | A kind of ring packing assembly test equipment and its installation testing method |
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| 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: 20191108 Termination date: 20201226 |