CN207813588U - A kind of novel general pilot production tool - Google Patents
A kind of novel general pilot production tool Download PDFInfo
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- CN207813588U CN207813588U CN201820185336.3U CN201820185336U CN207813588U CN 207813588 U CN207813588 U CN 207813588U CN 201820185336 U CN201820185336 U CN 201820185336U CN 207813588 U CN207813588 U CN 207813588U
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- oil pipe
- piston
- plug sleeve
- spring
- pilot production
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Abstract
The utility model is related to a kind of pilot production tools, in particular it is a kind of novel general pilot production tool, including outer oil pipe, oil pipe cap, movable plug sleeve, well blowout preventing piston, piston spring and plug sleeve spring, the oil pipe cap includes tapered tube head and oil pipe set, the tapered tube head is welded to connect in the upper end that oil pipe covers, the oil pipe set is connected to the upper end of outer oil pipe by screw-thread fit, the upper end of the activity plug sleeve is fixedly connected with internal projecting ring, the activity plug sleeve is slidably connected at the inside of outer oil pipe, the plug sleeve gapping of spring cooperation is in the inside of outer oil pipe, the plug sleeve spring is located between oil pipe cap and movable plug sleeve, the piston base sliding is in movable plug sleeve, the piston spring clearance fit is in movable plug sleeve, the piston spring is between piston base and internal projecting ring.The utility model can carry out bradyseism when production testing operation starts to the impact that pipeline is subject to；It can carry out oil pipe closure automatically when pilot production oil pressure is excessive, avoid the generation of gas blowout accident.
Description
Technical field
The utility model is related to a kind of pilot production tools, are in particular a kind of novel general pilot production tools.
Background technology
Such as a kind of tubing plug that number of patent application is CN201120177413.9, the tubing plug packet
It includes：Anchoring members (a), seal member (b) set locking member (c) and deblocking component (d), the anchoring members (a), close
Envelope component (b) sets locking member (c) and unseals component (d) and is connected by setting the central tube in locking member (c) (2)；
Wherein, the anchoring members (a) include cone (8) and the slips (7) being set in slip sleeve (16), the cone (8)
It is connected with the slips (7) by its surface.Using steel wire rope realization set and unseal work, realize no killing well not
To the closure of high-temperature gas, liquid in pipe when preventing spraying operation, prevent the high temperature and high pressure gas of underground, liquid from occurring to overflow out of tubing string
It flows, the accident of blowout.But the utility model cannot carry out fluid closure automatically according to pilot production oil pressure, can not avoid blowout thing
Therefore.
Invention content
The purpose of this utility model is to provide the novel general pilot production tool of one kind can by movable plug sleeve and plug sleeve spring
To carry out bradyseism to the impact that pipeline is subject to when production testing operation starts；It, can by oil pipe cap, well blowout preventing piston and piston spring
To carry out oil pipe closure automatically when pilot production oil pressure is excessive, the generation of gas blowout accident is avoided.
The purpose of this utility model is achieved through the following technical solutions：
A kind of novel general pilot production tool, including outer oil pipe, oil pipe cap, movable plug sleeve, well blowout preventing piston, piston spring and
Plug sleeve spring, the oil pipe cap include tapered tube head and oil pipe set, and the tapered tube head is welded to connect in the upper end that oil pipe covers, institute
The upper end that oil pipe set is connected to outer oil pipe by screw-thread fit is stated, the upper end of the activity plug sleeve is fixedly connected with internal projecting ring, institute
The inside that movable plug sleeve is slidably connected at outer oil pipe is stated, the plug sleeve gapping of spring cooperation is in the inside of outer oil pipe, the plug sleeve
Spring is located between oil pipe cap and movable plug sleeve, and well blowout preventing piston includes piston base, piston rod and tapered piston head, piston bottom
The upper end of seat is fixedly connected with piston rod, and the upper end of the piston rod is fixedly connected with tapered piston head, the piston base and taper
Multiple oilholes are both provided on piston head, in movable plug sleeve, the tapered piston head is located at oil pipe for the piston base sliding
Between cap and internal projecting ring, for the piston spring clearance fit in movable plug sleeve, the piston spring is located at piston base and interior
Between bulge loop.
As advanced optimizing for the technical program, a kind of novel general pilot production tool of the utility model, the motion stops
The lower end of set is connected with piston baffle ring by screw-thread fit.
As advanced optimizing for the technical program, a kind of novel general pilot production tool of the utility model, the outer oil pipe
Lower end plug sleeve baffle ring is connected with by screw-thread fit.
As advanced optimizing for the technical program, a kind of novel general pilot production tool of the utility model, the outer oil pipe
Multiple rubber seal rings are set between movable plug sleeve.
As advanced optimizing for the technical program, a kind of novel general pilot production tool of the utility model, the plug sleeve bullet
The coefficient of elasticity of spring is more than the coefficient of elasticity of piston spring.
A kind of novel general pilot production tool of the utility model has the beneficial effect that：
A kind of novel general pilot production tool of the utility model can be in production testing operation by movable plug sleeve and plug sleeve spring
Bradyseism is carried out to the impact that pipeline is subject to when beginning；It, can be in pilot production oil pressure by oil pipe cap, well blowout preventing piston and piston spring
Automatically oil pipe closure is carried out when excessive, avoids the generation of gas blowout accident.
Description of the drawings
The utility model is described in more detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is the overall structure half-section diagram of the utility model；
Fig. 2 is the overall structure diagram of the utility model；
Fig. 3 is the oil pipe cap structure schematic diagram of the utility model；
Fig. 4 is the motion stops nested structure schematic diagram of the utility model；
Fig. 5 is the well blowout preventing piston structure schematic diagram of the utility model.
In figure：Outer oil pipe 1；Oil pipe cap 2；Tapered tube head 2-1；Oil pipe covers 2-2；Movable plug sleeve 3；Internal projecting ring 3-1；Well blowout preventing
Piston 4；Piston base 4-1；Piston rod 4-2；Tapered piston head 4-3；Piston spring 5；Plug sleeve spring 6；Piston baffle ring 7；Plug sleeve
Baffle ring 8.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
Specific implementation mode one：
Illustrate present embodiment, a kind of novel general pilot production tool, including outer oil pipe 1, oil with reference to Fig. 1,2,3,4,5
Pipe cap 2, movable plug sleeve 3, well blowout preventing piston 4, piston spring 5 and plug sleeve spring 6, the oil pipe cap 2 include tapered tube head 2-1 and
Oil pipe covers 2-2, and the tapered tube head 2-1 is welded to connect the upper end that 2-2 is covered in oil pipe, and the oil pipe set 2-2 passes through screw-thread fit
It is connected to the upper end of outer oil pipe 1, the upper end of the activity plug sleeve 3 is fixedly connected with internal projecting ring 3-1, and the activity plug sleeve 3 slides
It is connected to the inside of outer oil pipe 1,6 clearance fit of plug sleeve spring is located at oil in the inside of outer oil pipe 1, the plug sleeve spring 6
Between pipe cap 2 and movable plug sleeve 3, well blowout preventing piston 4 includes piston base 4-1, piston rod 4-2 and tapered piston head 4-3, piston
The upper end that the upper end of pedestal 4-1 is fixedly connected with piston rod 4-2, the piston rod 4-2 is fixedly connected with tapered piston head 4-3, described
Multiple oilholes are both provided on piston base 4-1 and tapered piston head 4-3, the piston base 4-1 slidings are in movable plug sleeve 3
Interior, the tapered piston head 4-3 is between oil pipe cap 2 and internal projecting ring 3-1, and 5 clearance fit of the piston spring is in motion stops
In set 3, the piston spring 5 is between piston base 4-1 and internal projecting ring 3-1；In use, the lower end connection oil of outer oil pipe 1
Downhole end pipeline, the upper end connection oil well upper end pipeline of oil pipe cap 2, when production testing operation, fluid passes through movable plug sleeve 3 and enters, oil
Liquid is by movable plug sleeve 3, piston base 4-1 and multiple oilholes on tapered piston head 4-3 and tapered piston head 4-3 and taper
Gap between tube head 2-1 is flowed out eventually by tapered tube head 2-1；When oil recovery, since device upper and lower ends oil liquid pressure difference is made
With Oil shocking well blowout preventing piston 4 makes 4 upward sliding of well blowout preventing piston, to which well blowout preventing piston 4 is upward by piston spring 5
Promotion activity plug sleeve 3, movable plug sleeve 3 compress plug sleeve spring 6 upwards, and plug sleeve spring 6 plays the role of bradyseism to movable plug sleeve 3, from
And can to avoid recover the oil start when Oil shocking dynamics is excessive that device is caused to damage；Meanwhile it is living under the action of upper and lower oil pressure difference
Plug pedestal 4-1 move upwards compression piston spring 5, when pressure is done it is big when, tapered piston head 4-3 is bonded with tapered tube head 2-1, bore
Multiple oilholes on shape tube head 2-1 are blocked by tapered tube head 2-1, and nothing between tapered piston head 4-3 and tapered tube head 2-1
Gap carries out the stifled oil of oil pipe in larger oil pressure to realize, avoids the generation of gas blowout accident automatically.
Specific implementation mode two：
Illustrate that present embodiment, present embodiment are described further embodiment one with reference to Fig. 1,2,3,4,5,
The lower end of the activity plug sleeve 3 is connected with piston baffle ring 7 by screw-thread fit, is carried out to well blowout preventing piston 4 by piston baffle ring 7
Limit prevents well blowout preventing piston 4 from deviating from.
Specific implementation mode three：
Illustrate that present embodiment, present embodiment are described further embodiment one with reference to Fig. 1,2,3,4,5,
The lower end of the outer oil pipe 1 is connected with plug sleeve baffle ring 8 by screw-thread fit, is limited movable plug sleeve 3 by plug sleeve baffle ring 8
Position, prevents movable plug sleeve 3 from deviating from from outer oil pipe 1.
Specific implementation mode four：
Illustrate that present embodiment, present embodiment are described further embodiment one with reference to Fig. 1,2,3,4,5,
Multiple rubber seal rings are set between the outer oil pipe 1 and movable plug sleeve 3, are provided on the outer wall of the activity plug sleeve 3 multiple
Closure gasket groove is provided with rubber seal ring in multiple closure gasket grooves, passes through multiple rubber seal rings and realizes outer oil pipe 1 and motion stops
Sealing between set 3.
Specific implementation mode five：
Illustrate that present embodiment, present embodiment are described further embodiment one with reference to Fig. 1,2,3,4,5,
The coefficient of elasticity of the plug sleeve spring 6 is more than the coefficient of elasticity of piston spring 5；Plug sleeve spring 6 plays the role of bradyseism when working, living
Plug spring 5 can largely compress under the action of oil pressure difference, until tapered piston head 4-3 is bonded with tapered tube head 2-1.
The novel general pilot production tool of one kind of the utility model, its working principle is that：In use, the lower end of outer oil pipe 1 connects
Connect oil well lower end pipeline, the upper end connection oil well upper end pipeline of oil pipe cap 2, when production testing operation, fluid by movable plug sleeve 3 into
Enter, fluid is by movable plug sleeve 3, piston base 4-1 and multiple oilholes on tapered piston head 4-3 and tapered piston head 4-3
With the gap between tapered tube head 2-1, flowed out eventually by tapered tube head 2-1；When oil recovery, due to device upper and lower ends fluid pressure
Force difference acts on, and Oil shocking well blowout preventing piston 4 makes 4 upward sliding of well blowout preventing piston, to which well blowout preventing piston 4 passes through piston bullet
Spring 5 pushes up movable plug sleeve 3, and movable plug sleeve 3 compresses plug sleeve spring 6 upwards, and plug sleeve spring 6 plays bradyseism to movable plug sleeve 3
Effect, Oil shocking dynamics is excessive when starting so as to avoid recovering the oil causes device to damage；Meanwhile in the work of upper and lower oil pressure difference
Move upwards compression piston spring 5 with lower piston pedestal 4-1, when pressure is done it is big when, tapered piston head 4-3 and tapered tube head 2-1
It is bonded, multiple oilholes on tapered tube head 2-1 are blocked by tapered tube head 2-1, and tapered piston head 4-3 and tapered tube head 2-
It is seamless between 1, it carries out the stifled oil of oil pipe automatically in larger oil pressure to realize, avoids the generation of gas blowout accident.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to
In the scope of protection of the utility model.
Claims (5)
1. a kind of novel general pilot production tool, including outer oil pipe（1）, oil pipe cap（2）, movable plug sleeve（3）, well blowout preventing piston（4）、
Piston spring（5）With plug sleeve spring（6）, it is characterised in that：The oil pipe cap（2）Including tapered tube head（2-1）With oil pipe set（2-
2）, the tapered tube head（2-1）It is welded to connect in oil pipe set（2-2）Upper end, the oil pipe set（2-2）Connected by screw-thread fit
It is connected on outer oil pipe（1）Upper end, it is described activity plug sleeve（3）Upper end be fixedly connected with internal projecting ring（3-1）, the activity plug sleeve
（3）It is slidably connected at outer oil pipe（1）Inside, the plug sleeve spring（6）Clearance fit is in outer oil pipe（1）Inside, the plug
Sleeve spring（6）Positioned at oil pipe cap（2）With movable plug sleeve（3）Between, well blowout preventing piston（4）Including piston base（4-1）, piston rod
（4-2）With tapered piston head（4-3）, piston base（4-1）Upper end be fixedly connected with piston rod（4-2）, the piston rod（4-2）
Upper end be fixedly connected with tapered piston head（4-3）, the piston base（4-1）With tapered piston head（4-3）On be both provided with it is more
A oilhole, the piston base（4-1）Sliding is in movable plug sleeve（3）It is interior, the tapered piston head（4-3）Positioned at oil pipe cap（2）
And internal projecting ring（3-1）Between, the piston spring（5）Clearance fit is in movable plug sleeve（3）It is interior, the piston spring（5）It is located at
Piston base（4-1）And internal projecting ring（3-1）Between.
2. the novel general pilot production tool of one kind according to claim 1, it is characterised in that：The activity plug sleeve（3）Under
End is connected with piston baffle ring by screw-thread fit（7）.
3. the novel general pilot production tool of one kind according to claim 1, it is characterised in that：The outer oil pipe（1）Lower end
It is connected with plug sleeve baffle ring by screw-thread fit（8）.
4. the novel general pilot production tool of one kind according to claim 1, it is characterised in that：The outer oil pipe（1）With activity
Plug sleeve（3）Between multiple rubber seal rings are set.
5. the novel general pilot production tool of one kind according to claim 1, it is characterised in that：The plug sleeve spring（6）Bullet
Property coefficient is more than piston spring（5）Coefficient of elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820185336.3U CN207813588U (en) | 2018-02-02 | 2018-02-02 | A kind of novel general pilot production tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820185336.3U CN207813588U (en) | 2018-02-02 | 2018-02-02 | A kind of novel general pilot production tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207813588U true CN207813588U (en) | 2018-09-04 |
Family
ID=63323227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820185336.3U Active CN207813588U (en) | 2018-02-02 | 2018-02-02 | A kind of novel general pilot production tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207813588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483089A (en) * | 2021-07-30 | 2021-10-08 | 重庆长安汽车股份有限公司 | Lubricating oil channel structure of reverse gear bearing hole of gearbox |
-
2018
- 2018-02-02 CN CN201820185336.3U patent/CN207813588U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483089A (en) * | 2021-07-30 | 2021-10-08 | 重庆长安汽车股份有限公司 | Lubricating oil channel structure of reverse gear bearing hole of gearbox |
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