CN209145557U - A kind of repeatable long packing element packer set - Google Patents
A kind of repeatable long packing element packer set Download PDFInfo
- Publication number
- CN209145557U CN209145557U CN201821993373.3U CN201821993373U CN209145557U CN 209145557 U CN209145557 U CN 209145557U CN 201821993373 U CN201821993373 U CN 201821993373U CN 209145557 U CN209145557 U CN 209145557U
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- packing element
- friction block
- positive cover
- supporting positive
- central tube
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Abstract
The utility model belongs to oil field well technical field of tools, more particularly to a kind of repeatable long packing element packer set, including top connection, central tube, lower contact and packing element component, the top connection outside screw is connected with fixing sleeve, upper joint sleeve is set on the upper fixing sleeve, the upper joint sleeve lower thread is connected with supporting positive cover, there are annular spaces between the supporting positive cover and central tube, the supporting positive cover inner wall is circumferentially provided with the straight-line groove of supporting positive cover axial direction, movable sleeving is provided in the annular space, outer slide is arranged in the outside of the movable sleeving, inner slide is provided on the inside of movable sleeving, spiral groove is opened in center pipe outer wall corresponding to the inner slide, the inner slide is against in the spiral groove, rack gear pawl is arranged in the upper end of movable sleeving.The utility model solves the problems, such as that seperated layer water injection is unable to restting deblocking with packer；It can reduce permeability simultaneously, be conducive to improve pack quality.
Description
Technical field
The utility model belongs to oil field well technical field of tools more particularly to a kind of repeatable long packing element type packing set
Device.
Background technique
When water injection well in oil fields seperated layer water injection, inflatable packer is often used, existing inflatable packer sets lock
After fixed, by cutting deblocking shear pin to realize deblocking when deblocking, reuse the deblocking more renewed after having needed out and cut
Nail, can not achieve the function in underground restting, this working efficiency with regard to strong influence seperated layer water injection.
Utility model content
To solve the problems, such as that inflatable packer cannot be in the technology of underground restting, the utility model provides one kind can
The long packing element packer of restting, the utility model deblocking are very convenient.
Technical solution provided by the utility model is: a kind of repeatable long packing element packer set, including top connection, in
Heart pipe, lower contact and packing element component, the upper and lower ends of the central tube are threadedly coupled and divide with top connection and lower contact respectively
Do not fixed by pin, the packing element assembly set on the central tube and and central tube there are circumferential weld, the packing element components
Including fixed ring, upper jacket and lower jacket under fixed ring, packing element on packing element, packing element, the packing element upper and lower ends vulcanize respectively
Consolidate under ring and packing element on solid ring on to packing element, solid ring is connect with upper jacket on packing element, and solid ring is connect with lower jacket under packing element, described
Top connection outside screw be connected with fixing sleeve, upper joint sleeve, the upper joint sleeve are set on the upper fixing sleeve
Lower thread is connected with supporting positive cover, and there are annular space, the supporting positive cover inner wall edges between the supporting positive cover and central tube
It is circumferentially provided with the straight-line groove of supporting positive cover axial direction, is provided with movable sleeving, the outside of the movable sleeving in the annular space
It is provided with the outer slide extending into the straight-line groove, is provided with inner slide on the inside of the movable sleeving, described is interior
Spiral groove is provided in center pipe outer wall corresponding to sliding block, the inner slide is against in the spiral groove, movable sleeving
Upper end be arranged rack gear pawl；The supporting positive cover lower thread is connected with friction block carrier, is provided on the friction block carrier
Axial thread through-hole is screwed with deblocking pipe in tapped through hole, is serially connected with ball valve, the poppet shaft of the ball valve on the solution tube sealing
End is connected with gear switch, and the gear switch is meshed with the rack gear pawl, and the friction block carrier is loaded with
Friction block, is provided with spring one between the friction block and friction block carrier, the upper jacket screw thread of the packing element component connects
It connects in friction block carrier lower end, the lower contact outside screw is connected with lower fixing sleeve, is set on the lower fixing sleeve
The lower jacket of lower joint sleeve, the packing element component is threadedly coupled with lower joint sleeve, and axial feed liquor through-hole is provided on lower jacket,
It is provided with the axial valve opening being connected to feed liquor through-hole in lower contact, is provided with check valve assembly in the valve opening, described is unidirectional
Valve module includes spring catch, spring two and inner elements of check valve, and the lower end vulcanization of the inner elements of check valve has hemispheric rubber
Valve head, the valve opening lower end are provided with the spherical surface to match with the valve head, and the spring two is sleeved on one-way valve
Core upper end, the spring catch is by spring two and inner elements of check valve block in valve opening, and the lower contact inside is provided with and valve
The pressure transmission hole that hole communicates；The top of the supporting positive cover is provided with deblocking drainage hole.
Anti-rotation pin is provided between the friction block and friction block carrier；The outer slide is no less than 2, much
It is uniformly distributed in 2 outer slides along the outer wall of movable sleeving；The packing element length is not less than 1.2 meters.
The utility model has the following beneficial effects:
1, the utility model on packing element by being arranged the ball valve that can be switched, can be realized deblocking and setting function again
Can, and the utility model is to realize switching ball valve by rotation packer, overcome in the past by upper lifting pipe post come
The difficulty of deblocking, it is time saving and energy saving, be conducive to improve working efficiency.
2, the utility model increases the length of packing element, reduces permeability to a certain extent, improves pack quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the partial enlarged view in Fig. 1 at A.
Fig. 3 is the partial enlarged view in Fig. 1 at B.
Fig. 4 is the sectional view of central tube and movable sleeving.
Fig. 5 is the expanded view of the central tube with spiral groove part.
In figure: 1- top connection, 2- upper joint sleeve, the upper fixing sleeve of 3-, 4- central tube, 5- movable sleeving, 6- supporting positive cover, 7- gear
It switchs, 8- friction block carrier, 9- solution tube sealing, 10- spring one, 11- friction block, 12- upper jacket, fixed ring on 13- packing element, 14-
Packing element, 15- lower jacket, fixed ring under 16- packing element, fixing sleeve under 17-, 18- spring catch, 19- spring two, 20- inner elements of check valve,
21- lower joint sleeve, 22- lower contact.
Specific embodiment
The utility model is described further below in conjunction with attached drawing:
In conjunction with attached drawing, the present embodiment includes top connection 1, central tube 4, lower contact 22 and packing element component, and top connection 1 connects under
First 22 are connected on tubing string, and the upper and lower ends of the central tube 4 are threadedly coupled simultaneously with top connection 1 and lower contact 22 respectively
It is fixed respectively by pin, the packing element assembly set is on central tube 4 and there are circumferential weld, the packing elements with central tube 4
Component includes packing element 14, fixed ring 16, upper jacket 12 and lower jacket 15, the packing element 14 under fixed ring 13, packing element on packing element
Under upper and lower ends vulcanize respectively to ring 13 solid on packing element and packing element on solid ring 16, solid ring 13 is connect with upper jacket 12 on packing element, glue
The lower ring 16 admittedly of cylinder is connect with lower jacket 15, and the above are already existing structures in the prior art, and details are not described herein.
The innovative point of the utility model is:
1 outside screw of top connection is connected with fixing sleeve 3, is set with upper joint sleeve on the upper fixing sleeve 3
2, upper joint sleeve 2 is inserted in from the upper end of upper fixing sleeve 3, is provided with the shoulder ring of protrusion on 3 outside of upper fixing sleeve, on upper joint sleeve 2
Portion is provided with the baffle ring of protrusion, and the shoulder ring keeps off baffle ring above it, and upper joint sleeve 2 is enable to be socketed in fixing sleeve 3
On, when upper fixing sleeve 3 follows top connection to rotate, upper joint sleeve 2 can't follow rotation, the 2 lower end spiral shell of upper joint sleeve
Line is connected with supporting positive cover 6, and there are annular spaces between the supporting positive cover 6 and central tube 4, and 6 inner wall of supporting positive cover is along week
To the axial straight-line groove of supporting positive cover 6 is provided with, movable sleeving 5, the outside of the movable sleeving 5 are provided in the annular space
It is provided with the outer slide 51 extending into the straight-line groove, movable sleeving 5 can do relative to supporting positive cover 6 and up and down reciprocatingly transport
Dynamic, the inside of the movable sleeving 5 is provided with inner slide 52, is provided on 4 outer wall of central tube corresponding to the inner slide 52
Spiral groove, the inner slide 52 are against in the spiral groove, and when central tube 4 rotates, inner slide 52 can be in spiral
It is slided in groove, the sliding of inner slide 52 can make movable sleeving 5 move up and down, and rack gear pawl 53 is arranged in the upper end of movable sleeving 5；Rack gear
Pawl 53 follows the movement of movable sleeving 5 and moves, and 6 lower thread of supporting positive cover is connected with friction block carrier 8, the friction
It is provided with axial thread through-hole on block carrier 8, deblocking pipe 9 is screwed in tapped through hole, is serially connected with ball valve on the solution tube sealing 9,
When ball valve is opened, the water inside packing element 14 can be flowed out by ball valve, realize the decapsulation functions of packer, when ball valve closing with
Afterwards, it can be suppressed again into packing element 14 and carry out set packer, the poppet shaft end of the ball valve is connected with gear switch 7, described
Gear switch 7 be meshed with the rack gear pawl 53, due to the up and down motion of rack gear pawl 53, circumferentially rotate gear switch 7,
The Push And Release of ball valve is realized, the friction block carrier 8 is loaded with friction block 11, upper joint sleeve 2, righting in the utility model
Set 6, friction block carrier 8, packing element component, lower joint sleeve 21 are connected through a screw thread respectively and by surely following closely fixation, top connection 1, center
When pipe 4, upper fixing sleeve 3, lower fixing sleeve 17, lower contact 22 circumferentially rotate together, upper joint sleeve 2, supporting positive cover 6, friction block
Carrier 8, packing element component, lower joint sleeve 21 are not followed by it and rotate, so that the spiral groove of central tube 4 can be to movable sleeving 5
Inner slide 52 generate rotary thrust, push inner slide 52 upward or downward, so that rack gear pawl 53 moves up and down, by gear
7 turn of switch realizes the on or off of ball valve, is provided with spring 1 between the friction block 11 and friction block carrier 8, described
The upper jacket 12 of packing element component be threaded in 8 lower end of friction block carrier, 22 outside screw of lower contact is connected with down
Fixing sleeve 17 is set with lower joint sleeve 21 on the lower fixing sleeve 17, the connection type with upper fixing sleeve 3 and upper joint sleeve 2
Equally, lower joint sleeve 21 is not followed by the rotation of lower fixing sleeve 17 and rotates, the lower jacket 15 of the packing element component and lower company
Female connector 21 is threadedly coupled, it is provided with axial feed liquor through-hole on lower jacket 15, is provided with the axis being connected to feed liquor through-hole in lower contact 22
To valve opening, be provided with check valve assembly in the valve opening, the check valve assembly includes spring catch 18,2 19 and of spring
The lower end vulcanization of inner elements of check valve 20, the inner elements of check valve 20 has hemispheric rubber valve head, and the valve opening lower end is set
It is equipped with the spherical surface to match with the valve head, the spring two is sleeved on 20 upper end of inner elements of check valve, the spring catch
18 block spring 2 19 and inner elements of check valve 20 in valve opening, are provided with the pressure transmission communicated with valve opening on the inside of the lower contact 22
Hole；The top of the supporting positive cover 6 is provided with deblocking drainage hole.
In order to make not relatively rotate between friction block 11 and friction block carrier 8, in friction block 11 and friction block carrier 8
Between anti-rotation pin is set.
Central tube 4 includes upper lower thrust to the power that movable sleeving 5 applies, and also includes the circumferential shearing force of central tube 4, in order to drop
The probability that low outer slide 51 is damaged, outer slide 51 are no less than 2, and no less than 2 outer slides 51 are equal along the outer wall of movable sleeving 5
Even distribution is more uniformly stressed movable sleeving 5, reduces and concentrates stress bring risk.
In order to reduce the permeability of seperated layer water injection, 14 length of packing element is not less than 1.2 meters, thick by increasing interlayer
Degree, can effectively reduce permeability.Be conducive to improve and set quality.
The deblocking process of the utility model is very convenient, in the state of packing, it is only necessary to which rotating tubing string can be realized as
Deblocking can carry out well-flushing work after deblocking, since oil jacket annulus is all opened, so well-flushing passage is more widened, more added with
Conducive to well-flushing, solution is honored as a queen and turns round tubing string again, and ball valve is closed, and packer can be suppressed again and be set, and the utility model sets, unseals
It is very convenient, it does not need to apply upper lifting force, has saved mechanical work.
Claims (4)
1. a kind of repeatable long packing element packer set, including top connection (1), central tube (4), lower contact (22) and packing element group
Part, the upper and lower ends of the central tube (4) are threadedly coupled with top connection (1) and lower contact (22) respectively and pass through pin respectively
Fixed, there are circumferential weld on central tube (4) and with central tube (4), the packing element component includes the packing element assembly set
Fixed ring (16), upper jacket (12) and lower jacket (15), the packing element under fixed ring (13), packing element on packing element (14), packing element
(14) under upper and lower ends vulcanize respectively to fixed ring on packing element (13) and packing element in fixed ring (16), on packing element fixed ring (13) with
Upper jacket (12) connects, and fixed ring (16) is connect with lower jacket (15) under packing element, it is characterised in that: the top connection (1) is outside
Side is threaded with fixing sleeve (3), is set with upper joint sleeve (2), the upper joint sleeve on the upper fixing sleeve (3)
(2) lower thread is connected with supporting positive cover (6), and there are annular spaces between the supporting positive cover (6) and central tube (4), described
Supporting positive cover (6) inner wall is circumferentially provided with the straight-line groove of supporting positive cover (6) axial direction, is provided with movable sleeving in the annular space
(5), the outer slide (51) extending into the straight-line groove, the movement are provided on the outside of the movable sleeving (5)
It is provided with inner slide (52) on the inside of set (5), it is recessed to be provided with spiral on central tube (4) outer wall corresponding to the inner slide (52)
Slot, the inner slide (52) are against in the spiral groove, and rack gear pawl (53) are arranged in the upper end of movable sleeving (5)；Described
Supporting positive cover (6) lower thread is connected with friction block carrier (8), is provided with axial thread through-hole, spiral shell on the friction block carrier (8)
It is screwed with deblocking pipe (9) in line through-hole, ball valve, the poppet shaft end connection of the ball valve are serially connected on the solution tube sealing (9)
Have gear switch (7), the gear switch (7) is meshed with the rack gear pawl (53), on the friction block carrier (8)
It is loaded with friction block (11), spring one (10), the packing element is provided between the friction block (11) and friction block carrier (8)
The upper jacket (12) of component is threaded in friction block carrier (8) lower end, and the lower contact (22) outside screw is connected with down
Fixing sleeve (17) is set with lower joint sleeve (21) on the lower fixing sleeve (17), the lower jacket (15) of the packing element component
It is threadedly coupled with lower joint sleeve (21), axial feed liquor through-hole is provided on lower jacket (15), be provided in lower contact (22) and feed liquor
The axial valve opening of through-hole connection is provided with check valve assembly in the valve opening, and the check valve assembly includes spring catch
(18), the lower end vulcanization of spring two (19) and inner elements of check valve (20), the inner elements of check valve (20) has hemispheric rubber
Valve head, the valve opening lower end are provided with the spherical surface to match with the valve head, and the spring two is sleeved on one-way valve
Core (20) upper end, the spring catch (18) blocks spring two (19) and inner elements of check valve (20) in valve opening, under described
The pressure transmission hole communicated with valve opening is provided on the inside of connector (22)；The top of the supporting positive cover (6) is provided with deblocking drainage hole.
2. a kind of repeatable long packing element packer set according to claim 1, it is characterised in that: the friction block
(11) anti-rotation pin is provided between friction block carrier (8).
3. a kind of repeatable long packing element packer set according to claim 1, it is characterised in that: the outer slide
(51) 2 are no less than, no less than 2 outer slides are uniformly distributed along the outer wall of movable sleeving (5).
4. a kind of repeatable long packing element packer set according to claim 1, it is characterised in that: the packing element
(14) length is not less than 1.2 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821993373.3U CN209145557U (en) | 2018-11-30 | 2018-11-30 | A kind of repeatable long packing element packer set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821993373.3U CN209145557U (en) | 2018-11-30 | 2018-11-30 | A kind of repeatable long packing element packer set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209145557U true CN209145557U (en) | 2019-07-23 |
Family
ID=67288339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821993373.3U Active CN209145557U (en) | 2018-11-30 | 2018-11-30 | A kind of repeatable long packing element packer set |
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| CN (1) | CN209145557U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608000A (en) * | 2019-11-11 | 2019-12-24 | 陕西固德石油工程有限公司 | Impact rotary reaming type centralizing nipple device |
| CN112031697A (en) * | 2020-11-04 | 2020-12-04 | 东营政阳自动化科技有限公司 | Self-expansion packer with stable anchoring |
| CN112681999A (en) * | 2021-03-10 | 2021-04-20 | 东营市海天自动化工程有限责任公司 | Compression packer |
| CN114645688A (en) * | 2020-12-17 | 2022-06-21 | 中国石油化工股份有限公司 | Packer while drilling for packing underground high-pressure stratum overflow |
| RU2793932C1 (en) * | 2021-11-24 | 2023-04-10 | Общество с ограниченной ответственностью "Тюменское конструкторское бюро" | Hydraulic packer |
-
2018
- 2018-11-30 CN CN201821993373.3U patent/CN209145557U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608000A (en) * | 2019-11-11 | 2019-12-24 | 陕西固德石油工程有限公司 | Impact rotary reaming type centralizing nipple device |
| CN112031697A (en) * | 2020-11-04 | 2020-12-04 | 东营政阳自动化科技有限公司 | Self-expansion packer with stable anchoring |
| CN112031697B (en) * | 2020-11-04 | 2021-01-01 | 东营政阳自动化科技有限公司 | Self-expansion packer with stable anchoring |
| CN114645688A (en) * | 2020-12-17 | 2022-06-21 | 中国石油化工股份有限公司 | Packer while drilling for packing underground high-pressure stratum overflow |
| CN114645688B (en) * | 2020-12-17 | 2024-05-28 | 中国石油化工股份有限公司 | Packer while drilling for sealing and isolating high-pressure stratum overflow in well |
| CN112681999A (en) * | 2021-03-10 | 2021-04-20 | 东营市海天自动化工程有限责任公司 | Compression packer |
| CN112681999B (en) * | 2021-03-10 | 2021-06-15 | 大庆丹枫石油技术开发有限公司 | Compression packer |
| RU2793932C1 (en) * | 2021-11-24 | 2023-04-10 | Общество с ограниченной ответственностью "Тюменское конструкторское бюро" | Hydraulic packer |
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