CN207609406U - A kind of blanking plug - Google Patents
A kind of blanking plug Download PDFInfo
- Publication number
- CN207609406U CN207609406U CN201721214374.9U CN201721214374U CN207609406U CN 207609406 U CN207609406 U CN 207609406U CN 201721214374 U CN201721214374 U CN 201721214374U CN 207609406 U CN207609406 U CN 207609406U
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- CN
- China
- Prior art keywords
- blanking plug
- retainer
- balancing pole
- sealing
- hypocentrum
- 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.)
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Abstract
The utility model is related to a kind of blanking plugs, including pole cap, housing, balancing pole, lock claw, axis pin, gasket, upper centrum, hypocentrum, lower contact and torsional spring etc.；Advantage is：Blanking plug is sent by steel wire and realizes locking and sealing with the cooperation of the seating nipple of advance G.I.H, has the function that block oil pipe or insulates reservoir.The lock claw of blanking plug coordinates with seating nipple lock slots, realize the locking up and down of blanking plug, the sealing group of blanking plug lower part and seating nipple inner sealing, blanking plug can be made to bear high pressure up and down, tool positioning is reliable, leakproofness pressure rating is high, while devising pressure release balancing device, and it is to generate pumping to avoid recycling.
Description
Technical field
The utility model belongs to oil gas field and is drilled well technical field, is related to a kind of dedicated steel wire work of oil gas field underground equipment
The blanking plug of industry.
Background technology
The completion phase of oil gas well development be frequently utilized that blanking plug complete packer setting, reservoir layering etc., need by
With the advance G.I.H of seating nipple of blanking plug cooperation, the pulling of blanking plug is completed by steel wire operation.Blanking plug is also simultaneously
The common security tool of oil/gas well can block oil pipe by blanking plug and realize shut-in well, avoid the occurrence of serious accident.It is existing
Blanking plug needs two to throw two fishings, and complicated, and operation procedure is cumbersome, and operating cost is high, exists and falls well risk.
Invention content
The utility model provides a kind of blanking plug simple in structure, easily operated, at low cost and easy to maintenance.Evade
Well risk is fallen, field operation efficiency and operational security are promoted.
Technical problem present in the utility model solution technology and the technical solution adopted is that：
A kind of blanking plug, including pole cap, balancing pole, upper centrum, hypocentrum；The balance bar ends pass through pin and pole cap
Connection；Its middle part is connect by groove with upper cone；Its underpart is connect by axis pin with hypocentrum, the balancing pole with it is described on
Locking mechanism is equipped with outside cone；The hypocentrum is externally provided with sealing mechanism.
The locking mechanism is made of housing, the first retainer and the second retainer, torsional spring；The housing is set in balance
Outside bar and upper cone, first retainer and the second retainer are connect by connecting hole with the housing axis pin respectively；Institute
It states and the torsional spring is connected by axis pin respectively on the first retainer and the second retainer.
Seal nipple, V-seal part composition；The seal nipple is connect by limited step with the hypocentrum；It is described
Seal nipple connects V-seal part by limited step.
Circle of tying tight is provided between the balancing pole and upper cone.
The balancing pole is equipped with the first pressure transmission hole.
First retainer and the second retainer are made of a pair of of lock claw；Each pair of lock claw is symmetricly set on the housing
On.
The seal nipple is equipped with the second pressure transmission hole.
It is provided with sealing ring between the seal nipple and the balancing pole.
The advantages of the utility model has and advantageous effect are：The utility model provides a kind of blanking plug, the device
When steel wire operation is gone into the well, positioning up and down is realized respectively by upper and lower elastic claw and the cooperation of mating seating nipple, if down-hole pressure
It is excessive, blanking plug is up pushed up, after lock core structure is added, it can be made to be sitting at sealing completely, ensures blanking plug plugging effect, again
Ensure pressure balanced balancing pole and the pole cap conducive to fishing.
Description of the drawings
Fig. 1 is the main sectional view of the utility model.
Fig. 2 is the structural schematic diagram of the first retainer and the second retainer in the utility model.
Fig. 3 is the structural schematic diagram of sealing element in sealing mechanism.
1. pole cap, 2. housings, 3. balancing poles, 4, steel pin nail, 51. first retainers,
52. 6. axis pin of the second retainer, 7. gaskets, centrum on 8., 9. tie tight circle, 10. hypocentrums,
11. seal nipple, 12. bronze medal pins, 13. sealing elements, 14.O types sealing ring, 16. torsional springs,
17. the first pressure transmission hole, 18. second pressure transmission holes, 19. grooves, 20. connecting holes
Specific implementation mode
In order to further appreciate that the utility model contents, features and effects, following instance is lifted, and coordinate attached drawing specifically
It is bright as follows：
As shown in Figure 1, a kind of blanking plug, including pole cap 1, balancing pole 3, upper centrum 8, hypocentrum 10；3 end of the balancing pole
Portion is connect by pin 4 with pole cap 1；Its middle part is connect by groove 19 (being marked in figure) with upper cone 8；Its underpart passes through pin
Axis is connect with hypocentrum 10, and the balancing pole 3 is equipped with locking mechanism with 8 outside of the upper cone；The hypocentrum 10 is externally provided with
Sealing mechanism.Circle 9 of tying tight is provided between the balancing pole 3 and upper cone 8.The balancing pole 3 is equipped with the first pressure transmission hole 17
(being shown in figure).It is provided with sealing ring between the seal nipple and the balancing pole.
As shown in Figure 1 and Figure 2, the locking mechanism is by housing 2, the first retainer 51 and the second retainer 52, torsional spring 16
Composition；The housing is set in outside balancing pole 3 and upper cone 8, and first retainer, 51 and second retainer 52 leads to respectively
Connecting hole 20 is crossed to connect with 2 axis pin of the housing；Connected respectively by axis pin on first retainer, 51 and second retainer 52
Connect the torsional spring 16.First retainer and the second retainer are made of a pair of of lock claw；Each pair of lock claw is symmetricly set on institute
State outer put on.
Seal nipple, V-seal part composition；The seal nipple is connect by limited step with the hypocentrum；It is described
Seal nipple connects V-seal part by limited step.The seal nipple 11 is equipped with the second pressure transmission hole 18.The sealing connects
Sealing ring 14 is provided between first 11 and the balancing pole 3.
In this example, blanking plug includes locking jaw housing 2, and the locking jaw housing 2 is equipped with lock claw 5 and torsional spring 16, institute
Stating lock claw (51,52) pole cap 1 in tripping in state supports lock claw (51,52), a pair of lock claw (51,52) lower part stop to be in
A pair of contraction state, lock claw (51,52) top stop is in open configuration, and the upper centrum 8 is 2 valve structures, the lower vertebra
There are the conical surface, outside to there is limited step to coordinate with lower connector 11 inside body 10,1 top of the pole cap has positioning step, lower part to have
The pin hole being connect with balancing pole 3,3 lower part of the balancing pole are equipped with sealing ring 14, middle part have pressure transmission hole 17 and with upper centrum 8
The groove 19 of cooperation.The sealing group 13 is formed by the seal combination of V-structure, and step use is arranged at 11 top of the lower contact
There is sealing surface to coordinate with balancing pole inside installation sealing group 13, the lower contact 11, pressure transmission hole 18 is arranged at lower part.
The pole cap 1 is connect with balancing pole 3 by pin, and the lock claw (51,52) is connect with housing 2 by axis pin, institute
It states torsional spring 16 to connect by axis pin and lock claw (51,52), torsion is provided for lock claw (51,52), the upper centrum 8 is 2 valve structures,
By tying tight, circle 9 is fixed on balancing pole 3, and the hypocentrum 10 is connect by axis pin with balancing pole 3, and the balancing pole 3 is installed
In in housing 2 and lower contact 10,3 lower part of the balancing pole is equipped with 2 sealing rings 14, the pressure transmission hole 18 on seal nipple 11.
Sealing mechanism includes：Sealing element 13, seal nipple 11, the sealing element 13 are installed on the step of seal nipple 11
Place, the seal nipple 11 are connect with housing 2.
3 lower part of the balancing pole has the sealing ring 14 coordinated with lower contact 11, middle part to have pressure transmission hole 17 and upper centrum 8 to coordinate
Groove 19.The upper centrum 8 is 2 valve structures, and the conical surface coordinates with hypocentrum 10.There is limited step outside the hypocentrum 10,
There is the conical surface in inside.
It is 2 groups that the lock claw, which has 4, one group of offer top stop 51, one group of offer lower part stop 52.
2 top of locking jaw housing has fishing head, middle part to have the hole of installation lock claw.Effect of the lock claw in torsional spring power
Under rotated around axis pin.The copper pin can be sheared disconnected under certain force effect.
The operation principle of the present invention is that：
Please refer to Fig.1-Fig. 3, steel wire running tool is connect with pole cap 1, under fashionable lock claw 5, lower part stop be in it is contraction-like
State, top stop are in open configuration, and 11 pressure transmission hole of lower contact and 3 inside of balancing pole are connected to, by steel wire by blanking plug tripping in
To seating nipple lower part, blanking plug is then above carried, lock claw (51,52) coordinates with seating nipple interior step, and limitation blanking plug is transported upwards
It is dynamic, then apply certain upper lifting force and cut copper pin 12, pole cap 1 and balancing pole 3 move upwards, under lock claw (51,52) only
Pawl loses support, the torsion provided by torsional spring 16, and lock claw (51,52) is completely in open configuration, blanking plug locking and work
Make inside cylinder, seal the pressure transmission hole in lower contact 11 when balancing pole moves upwards, sealing group 13 and seating nipple inner sealing block up
It fills in device and is in sealing lock-out state, two-way pressure can be born.
After operation, when needing to recycle blanking plug, the first pole cap of jarring downwards 1 of tripping in steel wire tool, drive balancing pole 3 to
Lower movement, the pressure transmission hole in lower contact 11 are connected to balancing pole 3, and pole cap 1 supports the lock claw (51,52) of upper stop, lock claw
Stop is shunk on (51,52), is caught locking jaw housing top fishing head using steel wire recycling tool, is then above carried, by blanking plug
Recycling.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited in upper
The specific implementation mode stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, is not departing from invention objective and scope of the claimed protection, can be with
The specific transformation of many forms is made, within these are all belonged to the scope of protection of the present invention.
Claims (8)
1. a kind of blanking plug, including pole cap, balancing pole, upper centrum, hypocentrum；The balance bar ends are connected by pin and pole cap
It connects；Its middle part is connect by groove with upper cone；Its underpart is connect by axis pin with hypocentrum, which is characterized in that the balance
Bar is equipped with locking mechanism with upper cone outside；The hypocentrum is externally provided with sealing mechanism.
2. blanking plug according to claim 1, it is characterised in that：The locking mechanism is by housing, the first retainer and
Two retainers, torsional spring composition；The housing is set in outside balancing pole and upper cone, first retainer and the second retainer
It is connect respectively with the housing axis pin by connecting hole；It is connected respectively by axis pin on first retainer and the second retainer
The torsional spring.
3. blanking plug according to claim 1, it is characterised in that：The sealing mechanism is by seal nipple, V-seal part group
At；The seal nipple is connect by limited step with the hypocentrum；The seal nipple is close by limited step connection V-type
Sealing.
4. blanking plug according to claim 1, it is characterised in that：It is provided with and ties tight between the balancing pole and upper cone
Circle.
5. blanking plug according to claim 1, it is characterised in that：The balancing pole is equipped with the first pressure transmission hole.
6. blanking plug according to claim 2, it is characterised in that：First retainer and the second retainer are by a pair
Lock claw is constituted；Each pair of lock claw is symmetricly set on outside described and puts on.
7. blanking plug according to claim 4, it is characterised in that：The seal nipple is equipped with the second pressure transmission hole.
8. blanking plug according to claim 7, it is characterised in that：It is provided between the seal nipple and the balancing pole
Sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721214374.9U CN207609406U (en) | 2017-09-21 | 2017-09-21 | A kind of blanking plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721214374.9U CN207609406U (en) | 2017-09-21 | 2017-09-21 | A kind of blanking plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207609406U true CN207609406U (en) | 2018-07-13 |
Family
ID=62793474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721214374.9U Active CN207609406U (en) | 2017-09-21 | 2017-09-21 | A kind of blanking plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207609406U (en) |
-
2017
- 2017-09-21 CN CN201721214374.9U patent/CN207609406U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing Chaoyang District Beijing Dongcheng District Chaoyangmen North Street 25 Co-patentee after: CNOOC Energy Development Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing Chaoyang District Beijing Dongcheng District Chaoyangmen North Street 25 Co-patentee before: CNOOC Energy Development Co., Ltd. Patentee before: China National Offshore Oil Corporation |
|
| CP01 | Change in the name or title of a patent holder |