CN207526465U - A kind of automatic adjustable leak stoppage tool - Google Patents
A kind of automatic adjustable leak stoppage tool Download PDFInfo
- Publication number
- CN207526465U CN207526465U CN201721616798.8U CN201721616798U CN207526465U CN 207526465 U CN207526465 U CN 207526465U CN 201721616798 U CN201721616798 U CN 201721616798U CN 207526465 U CN207526465 U CN 207526465U
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- CN
- China
- Prior art keywords
- leak stoppage
- movable sleeving
- tool
- sliding sleeve
- spin
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- 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 automatic adjustable leak stoppage tools, belong to oil/gas well leak stoppage tool technical field.It is made of tool pipe, upper movable sleeving, lower movable sleeving, leak stoppage bag, sliding sleeve and connecting tube, lower movable sleeving is slidably fitted with by lower interstage sleeve on tool pipe, the upper end of tool pipe is slidably fitted with upper movable sleeving by upper interstage sleeve, and liquid flow hole is evenly equipped on the tool pipe circumference between lower movable sleeving and upper movable sleeving；Upper movable sleeving and lower movement put on and are installed with leak stoppage bag by locking cap.The leak stoppage tool is simple in structure, practicability is good, when carrying out leak stopping, pass through the slip of lower movable sleeving and upper movable sleeving, leak stoppage bag can be enable more to extend into crack, solve existing leak stoppage bag cannot deeper into filling crack and pressure it is excessive and the phenomenon that leak stoppage bag is caused to be burst, and the problem of leak stoppage bag is caused to be detached from leak stoppage tool, especially suitable for the leak stopping use when encountering large fracture in acquiring natural gas or Process of Oil Well Drilling.
Description
Technical field
The utility model is related to a kind of automatic adjustable leak stoppage tools, belong to oil/gas well leak stoppage tool technical field.
Background technology
At present, when encountering large fracture in acquiring the drilling process of natural gas or oil, Chang Yinwei leak stoppage bags cannot be deeper
The filling crack entered, and cause leak stopping not tight or leak stoppage bag becomes in crackle and loosens and fail after the regular hour；Together
When also have when carrying out leak stopping with bag type pluging leaking device, can be because the pressure in leak stoppage bag be excessive and lead to what leak stoppage bag was burst
Phenomenon and the situation that leak stoppage bag is caused to be detached from leak stoppage tool, it is therefore necessary to make improvements.
Invention content
The purpose of this utility model is that：Offer is a kind of simple in structure, and practicability is good, and leak stopping is more efficient, effectively prevent
The automatic adjustable leak stoppage tool of situation is burst or be detached from leak stoppage tool to leak stoppage bag.
The technical solution of the utility model is：
A kind of automatic adjustable leak stoppage tool, it is by tool pipe, upper movable sleeving, lower movable sleeving, leak stoppage bag, sliding sleeve and connection
Pipe is formed, it is characterised in that：The lower thread of tool pipe is equipped with guide shoe, is slided on the tool pipe above guide shoe by lower interstage sleeve
Lower movable sleeving is installed, the upper end of tool pipe is slidably fitted with upper movable sleeving by upper interstage sleeve, lower movable sleeving and upper movable sleeving it
Between tool pipe circumference on be evenly equipped with liquid flow hole；Upper movable sleeving and lower movement put on and are installed with leak stoppage bag, tool by locking cap
Spin seat is equipped with by connecting tube in the upper end port of pipe, spin is movably installed in spin seat, is provided at the top of spin seat
Retainer ring is set with sliding sleeve in connecting tube, and sliding sleeve spring is provided between sliding sleeve and tool pipe, and sliding sleeve is connected with spin.
It is provided with support rim on the connecting tube lower circumferential, is provided in the connecting tube at the upper side of support rim
Connecting tube straight slot.
The spin seat is bonded to each other by two semicircular cylinders and formed, and ball impression, the rolling of ball impression side are provided in spin seat
Ball seat outer surface is axially provided with ball seat sliding slot, and intercommunicating pore is provided in sliding slot.
Central through hole is provided in the spin, the spin outer surface of central through hole side is provided with rolling tooth.
Shape corresponding with connecting tube straight slot is provided with rack on the sliding sleeve inner wall；Sliding sleeve is by rack and rolls matching for tooth
Connection is engaged in conjunction with spin.
Card slot is provided on the sliding sleeve, shackle member, tool pipe and sliding sleeve are provided on tool pipe corresponding with card slot
Between be clamped by the cooperation activity of card slot and shackle member.
The shackle member is made of installing plate, elastic piece and clamp, and clamp is equipped with by elastic piece on installing plate, card
Head is T-shaped body, and the end of clamp is slope surface.
Link block is equipped with by spring on tool pipe above the shackle member, is provided on the sliding sleeve above card slot
Link block groove.
The upper and lower ends of the tool pipe are respectively diameter-changing body.
The locking cap is connect respectively with lower movable sleeving and upper mobile external threading.
The lower interstage sleeve is threadedly coupled with tool pipe, and lower block puts on screw thread and is equipped with lower centralizer.
Mobile sleeve spring and sealing element are set respectively between the lower movable sleeving and upper movable sleeving and tool pipe.
The retainer ring is threadedly coupled with connecting tube, and low pressure hole is provided on the tool pipe above upper interstage sleeve.
The advantages of the utility model is：
The automatic adjustable leak stoppage tool is simple in structure, and practicability is good, when carrying out leak stopping, by lower movable sleeving and moves up
The slip of dynamic set, can enable leak stoppage bag more to extend into crack, not only increase leak stopping efficiency；And it can prevent
Leak stoppage bag leads to the feelings that leak stoppage bag bursts and cause because pressure is excessive leak stoppage bag to be detached from leak stoppage tool due to pressure is excessive
Condition.Solve existing leak stoppage bag cannot deeper into filling crack and pressure it is excessive and the phenomenon that leak stoppage bag is caused to be burst, with
And the problem of leak stoppage bag is caused to be detached from leak stoppage tool, it is big especially suitable for being encountered in acquisition natural gas or Process of Oil Well Drilling
Leak stopping uses during crack.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is enlarged structure schematic diagram at the A in Fig. 1；
Fig. 3 is the schematic cross-sectional view of the connecting tube of the utility model；
Fig. 4 is the dimensional structure diagram of the spin seat of the utility model；
Fig. 5 is the schematic cross-sectional view of the spin seat of the utility model；
Fig. 6 is the schematic cross-sectional view of the spin of the utility model；
Fig. 7 is the schematic cross-sectional view of the sliding sleeve of the utility model；
Fig. 8 is the overlooking the structure diagram of the sliding sleeve of the utility model；
Fig. 9 is the structure diagram of the shackle member of the utility model.
In figure：1st, tool pipe, 2, upper movable sleeving, 3, lower movable sleeving, 4, leak stoppage bag, 5, sliding sleeve, 6, connecting tube, 7, guide shoe,
8th, lower interstage sleeve, 9, lower centralizer, 10, upper interstage sleeve, 11, liquid flow hole, 12, locking cap, 13, low pressure hole, 14, spin seat, 15, support
Boss, 16, connecting tube straight slot, 17, spin, 18, ball impression, 19, ball seat sliding slot, 20, intercommunicating pore, 21, roll tooth, 22, center leads to
Hole, 23, retainer ring, 24, sliding sleeve spring, 25, rack, 26, mobile sleeve spring, 27, sealing element, 28, card slot, 29, shackle member,
30th, installing plate, 31, elastic piece, 32, clamp, 33, spring, 34, link block, 35, link block groove.
Specific embodiment
The automatic adjustable leak stoppage tool it by tool pipe 1, upper movable sleeving 2, lower movable sleeving 3, leak stoppage bag 4, sliding sleeve 5 and even
6 composition of take over, the upper and lower ends of tool pipe 1 are respectively diameter-changing body；The centre of tool pipe 1 is provided with stepped hole；Tool pipe 1
Lower thread guide shoe 7 is installed, lower movable sleeving 3, lower block are slidably fitted with by lower interstage sleeve 8 on the tool pipe 1 of 7 top of guide shoe
Set 8 is threadedly coupled with tool pipe 1, and screw thread is equipped with lower centralizer 9 on lower interstage sleeve 8.
The upper end of tool pipe 1 is slidably fitted with upper movable sleeving 2 by upper interstage sleeve 10, and upper interstage sleeve 10 connects with 1 screw thread of tool pipe
It connects, upper interstage sleeve 10 is connected with upper movable sleeving 2, and low pressure hole 13 is provided on the tool pipe 1 of upper 10 top of interstage sleeve.Lower movable sleeving
Liquid flow hole 11 is evenly equipped on 1 circumference of tool pipe between 3 and upper movable sleeving 24；Pass through fixation on upper movable sleeving 2 and lower movable sleeving 3
Cap 12 is installed with leak stoppage bag 4, and locking cap 12 is threadedly coupled respectively with upper movable sleeving 2 and lower movable sleeving 3.It lower movable sleeving 3 and moves up
Mobile sleeve spring 26 and sealing element 27 are set respectively between dynamic set 2 and tool pipe 1.
Spin seat 14 is equipped with by connecting tube 6 in the upper end port of tool pipe 1, is provided on 6 lower circumferential of connecting tube
Support rim 15 is provided with connecting tube straight slot 16 in the connecting tube 6 of the upper side of support rim 15.The purpose of connecting tube 6 is used for
Back-up roller ball seat 14.Spin seat 14 is bonded to each other by two semicircular cylinders and formed, and ball impression 18, spin seat 14 are provided in spin seat 14
It is interior that spin 17 is movably installed with by ball impression 18, central through hole 22, the spin 17 of 22 side of central through hole are provided in spin 17
Outer surface, which is provided with, rolls tooth 21.
14 outer surface of spin seat of 18 side of ball impression is axially provided with ball seat sliding slot 19, and connection is provided in ball seat sliding slot 19
Hole 20.14 top of spin seat is provided with retainer ring 23, and retainer ring 23 is threadedly coupled with connecting tube 6, for fixing spin seat 14.
Sliding sleeve is equipped with sliding sleeve 5 in connecting tube 6, and sliding sleeve spring 24 is provided between sliding sleeve 5 and tool pipe 1.5 inner wall of sliding sleeve
It is upper that 16 corresponding shape of connecting tube straight slot is provided with rack 25；Sliding sleeve 5 passes through connecting tube straight slot 16,19 and of ball seat sliding slot by rack 25
Intercommunicating pore 20 engages connection with the rolling tooth 21 of spin 17.
5 lower end of sliding sleeve of the automatic adjustable leak stoppage tool is provided with card slot 28, is set on 28 corresponding tool pipe 1 of card slot
Shackle member 29 is equipped with, shackle member 29 is made of installing plate 30, elastic piece 31 and clamp 32, pacifies on installing plate 30 by elastic piece 31
Equipped with clamp 32, clamp 32 is T-shaped body, and the end of clamp 32 is slope surface.Pass through card slot 28 and card between tool pipe 1 and sliding sleeve 6
The cooperation activity clamping of fitting 29.When the purpose of shackle member 29 is anti-5 inoperative of anti-skid sheath under the action of sliding sleeve spring 24 to
Upper displacement.
Link block 34 is equipped with by spring 33 on the tool pipe 1 of 29 top of shackle member, is set on the sliding sleeve 5 of 28 top of card slot
It is equipped with link block groove 35.
When the automatic adjustable leak stoppage tool works, it is installed on tubing string by link block 34, then tripping in oil/gas well
At crack, in the course of work, low pressure hole 13 is in communication with the outside to ensure that sliding sleeve 5 forms pressure differential on top and lower part two sides, under
Leakage-stop liquid can be injected after entering in place to be suppressed.
Sliding sleeve 5 is moved down when reaching certain pressure, and during this, sliding sleeve 5 first squeezes into shackle member 29 to tool pipe 1
Interior, with moving down for sliding sleeve 5, sliding sleeve 5 drives spin 17 gradually to roll by rack 25, until the central through hole 22 in spin 17
It is staggered so as to close runner with the centre bore of spin seat 14, the contact of 17 upper and lower part of spin is thus cut off, and ensure that rolling
The pressure of 17 lower part of ball, prevents leakage-stop liquid from being flow backwards from leak stoppage bag 4；While the center bore closure of spin seat 14, on sliding sleeve 5
Link block groove 35 is displaced downwardly at link block 34, and under the action of spring 33, link block 34 is caught in link block groove 35, right
Sliding sleeve 5 formed fix, while with tubular ingredient from.
During injection leakage-stop liquid is suppressed, leakage-stop liquid is entered by liquid flow hole 11 in leak stoppage bag 4, with leakage-stop liquid
Continuous entrance, 4 dilatancy of leak stoppage bag, leak stoppage bag 4 is got into crack under the action of the pressure of leakage-stop liquid, works as leak stoppage bag
After leakage-stop liquid in 4 reaches certain pressure, lower movable sleeving 3 and upper movable sleeving 2 is driven to move towards, so as to enable leak stoppage bag 4
It is enough more to be got into crack, after leakage-stop liquid solidification, you can bore except the leak stoppage tool, thus complete the closure in crack.
The automatic adjustable leak stoppage tool is simple in structure, and practicability is good, by the slip of lower movable sleeving 3 and upper movable sleeving 2,
Leak stoppage bag 4 can be enable more to extend into crack, not only increase leak stopping efficiency；And can prevent leak stoppage bag 4 because
The situation that pressure is excessive and leak stoppage bag 4 is caused to burst and cause because pressure is excessive leak stoppage bag 4 to be detached from leak stoppage tool.It solves
Existing leak stoppage bag cannot deeper into filling crack, pressure is excessive and the phenomenon that leak stoppage bag is caused to be burst and leads to leak stopping
The problem of bag is detached from leak stoppage tool, especially suitable for the leak stopping when encountering large fracture in acquiring natural gas or Process of Oil Well Drilling
It uses.
Claims (10)
1. a kind of automatic adjustable leak stoppage tool, it is by tool pipe（1）, upper movable sleeving（2）, lower movable sleeving（3）, leak stoppage bag（4）、
Sliding sleeve（5）And connecting tube（6）It forms, it is characterised in that：Tool pipe（1）Lower thread guide shoe is installed（7）, guide shoe（7）On
The tool pipe of side（1）On pass through lower interstage sleeve（8）It is slidably fitted with lower movable sleeving（3）, tool pipe（1）Upper end pass through upper interstage sleeve
（10）It is slidably fitted with movable sleeving（2）, lower movable sleeving（3）With upper movable sleeving（2）Between tool pipe（1）It is evenly equipped on circumference
Liquid flow hole（11）；Upper movable sleeving（2）With lower movable sleeving（3）On pass through locking cap（12）It is installed with leak stoppage bag（4）, tool pipe（1）
Upper end port in pass through connecting tube（6）Spin seat is installed（14）, spin seat（14）Inside it is movably installed with spin（17）, spin
Seat（14）Top is provided with retainer ring（23）, connecting tube（6）On be set with sliding sleeve（5）, sliding sleeve（5）With tool pipe（1）Between set
It is equipped with sliding sleeve spring（24）, sliding sleeve（5）With spin（17）It connects.
2. a kind of automatic adjustable leak stoppage tool according to claim 1, it is characterised in that：The connecting tube（6）Under
Holding provided circumferentially about has support rim（15）, support rim（15）The connecting tube of upper side（6）On be provided with connecting tube straight slot
（16）.
3. a kind of automatic adjustable leak stoppage tool according to claim 1, it is characterised in that：The spin seat（14）By
Two semicircular cylinders are bonded to each other composition, spin seat（14）Inside it is provided with ball impression（18）, ball impression（18）The spin seat of side（14）Outside
Surface is axially provided with ball seat sliding slot（19）, ball seat sliding slot（19）Inside it is provided with intercommunicating pore（20）.
4. a kind of automatic adjustable leak stoppage tool according to claim 1, it is characterised in that：The spin（17）On set
It is equipped with central through hole（22）, central through hole（22）The spin of side（17）Outer surface is provided with rolling tooth（21）.
5. a kind of automatic adjustable leak stoppage tool according to claim 1, it is characterised in that：The sliding sleeve（5）Inner wall
Upper and connecting tube straight slot（16）Corresponding shape is provided with rack（25）；Sliding sleeve（5）Pass through rack（25）With rolling tooth（21）Cooperation
With spin（17）Engagement connection.
6. a kind of automatic adjustable leak stoppage tool according to claim 5, it is characterised in that：The sliding sleeve（5）On set
It is equipped with card slot（28）, with card slot（28）Corresponding tool pipe（1）On be provided with shackle member（29）, tool pipe（1）With sliding sleeve（5）It
Between pass through card slot（28）With shackle member（29）Cooperation activity clamping.
7. a kind of automatic adjustable leak stoppage tool according to claim 6, it is characterised in that：The shackle member（29）By
Installing plate（30）, elastic piece（31）And clamp（32）It forms, installing plate（30）On pass through elastic piece（31）Clamp is installed（32）,
Clamp（32）For T-shaped body, clamp（32）End be slope surface.
8. a kind of automatic adjustable leak stoppage tool according to claim 7, it is characterised in that：The shackle member（29）On
The tool pipe of side（1）On pass through spring（33）Link block is installed（34）, card slot（28）The sliding sleeve of top（5）On be provided with connection
Block groove（35）.
9. a kind of automatic adjustable leak stoppage tool according to claim 1, it is characterised in that：The tool pipe（1）'s
Upper and lower ends are respectively diameter-changing body, the locking cap（12）Respectively with lower movable sleeving（3）With upper movable sleeving（2）It is threadedly coupled.
10. a kind of automatic adjustable leak stoppage tool according to claim 1, it is characterised in that：The lower interstage sleeve（8）With
Tool pipe（1）It is threadedly coupled, lower interstage sleeve（8）Upper screw thread is equipped with lower centralizer（9）；The lower movable sleeving（3）With upper movement
Set（2）With tool pipe（1）Between mobile sleeve spring is set respectively（26）And sealing element（27）；The retainer ring（23）With connecting
Pipe（6）It is threadedly coupled, upper interstage sleeve（10）The tool pipe of top（1）On be provided with low pressure hole（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721616798.8U CN207526465U (en) | 2017-11-28 | 2017-11-28 | A kind of automatic adjustable leak stoppage tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721616798.8U CN207526465U (en) | 2017-11-28 | 2017-11-28 | A kind of automatic adjustable leak stoppage tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526465U true CN207526465U (en) | 2018-06-22 |
Family
ID=62581011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721616798.8U Expired - Fee Related CN207526465U (en) | 2017-11-28 | 2017-11-28 | A kind of automatic adjustable leak stoppage tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207526465U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740682A (en) * | 2017-11-28 | 2018-02-27 | 长江大学 | A kind of automatic adjustable leak stoppage tool |
-
2017
- 2017-11-28 CN CN201721616798.8U patent/CN207526465U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740682A (en) * | 2017-11-28 | 2018-02-27 | 长江大学 | A kind of automatic adjustable leak stoppage tool |
| CN107740682B (en) * | 2017-11-28 | 2024-03-22 | 长江大学 | Automatic regulation type plugging tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20201128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |