CN206903621U - Packer fishing device - Google Patents
Packer fishing device Download PDFInfo
- Publication number
- CN206903621U CN206903621U CN201720288720.1U CN201720288720U CN206903621U CN 206903621 U CN206903621 U CN 206903621U CN 201720288720 U CN201720288720 U CN 201720288720U CN 206903621 U CN206903621 U CN 206903621U
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- CN
- China
- Prior art keywords
- pole
- center
- fishing device
- seeker
- top connection
- 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.)
- Expired - Fee Related
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Abstract
Fishing device technical field is the utility model is related to, is a kind of packer fishing device；It includes center-pole, top connection, opening sleeve, fixed cover and seeker；Top connection is installed with the upper outside of center-pole, the small ladder annular groove of the big lower inner diameter of upper inner diameter is provided with the lower inside of center-pole, upper limit platform is fixed with the outside of the upper end of fixed cover, the top and middle part of fixed cover are located in ladder annular groove, upper limit platform is connected to by least one shear pin in the top of ladder annular groove, seeker is installed with the lower outside of fixed cover, opening sleeve is housed in the middle part outer sheath of center-pole, elastic claw is fixed with the outer rim lower end interval of opening sleeve.The utility model reasonable and compact in structure, it is easy to use, by being used cooperatively for center-pole, top connection, opening sleeve, fixed cover and seeker, the purpose for salvaging packer is realized, there is the characteristics of safe and reliable, facilitate operation, improve operating efficiency.
Description
Technical field
Fishing device technical field is the utility model is related to, is a kind of packer fishing device.
Background technology
In oil exploitation, using closure operation is carried out in packer tripping in sleeve pipe, completely cut off packer lower end and upper end, can
Realize the well location for opening wide shaft mouth operation.Use annular of the packer packing between various sizes tubing string and well and between tubing string
Space.After the completion of packer blocks operation, the damage of seal on packer, or when needing to change layer, it is necessary to will insulate
Device salvages from oil well depths.
In the prior art, mainly salvage and bore mill using die nipple and salvage the salvaging that two ways carries out packer.Wherein, it is public
Cone salvages concrete mode and is mainly transferred die nipple into well by oil pipe, after die nipple enters the inner chamber of packer, suitably plus bores
Press, rotation drilling tool, the inwall for salvaging screw thread squeeze packer inner chamber on die nipple carries out thread making, when between die nipple and packer
When thread making can bear certain pulling force and moment of torsion, packer is pulled out by above carrying oil pipe, but because packer is in well
Active state, thread making is difficult when causing the die nipple to salvage, and fishing success ratio is not high；It is mainly to pass through oil pipe to bore mill and salvage concrete mode
Abrading block is transferred into well, when abrading block runs into packer, turn on pump bores mill, and packer is worn into fragment by abrading block, final logical
Cross drilling fluid and take ground out of.But when boring mill salvaging, drilling depth is slow, salvages inefficient.
The content of the invention
The utility model provides a kind of packer fishing device, overcomes the deficiency of above-mentioned prior art, and it can be effective
Solving thread making difficulty when die nipple is salvaged causes fishing success ratio not high；When boring mill and salvaging, drilling depth causes to salvage slowly inefficient
Problem.
The technical solution of the utility model is realized by following measures：A kind of packer fishing device, including in
Core bar, top connection, opening sleeve, fixed cover and seeker；Top connection is installed with the upper outside of center-pole, in center-pole
Lower inside be provided with the small ladder annular groove of the big lower inner diameter of upper inner diameter, be fixed with upper limit on the outside of the upper end of fixed cover
Platform, the top and middle part of fixed cover are located in ladder annular groove, and upper limit platform is connected to ladder by least one shear pin
In the top of annular groove, seeker is installed with the lower outside of fixed cover, opening is housed in the middle part outer sheath of center-pole
Set, is fixed with elastic claw at the outer rim lower end interval of opening sleeve, claw boss is fixed with the lower end outside of elastic claw, at center
The lower end outside of bar is fixed with outer land, the lower end inside face pressure of elastic claw tightly on the lateral surface of outer land, top connection with
It is connected with and is enclosed in the compression spring of compression shape on center-pole between opening sleeve, the lower surface of elastic claw is compressed by compression spring
On the upper surface of seeker.
Here is the further optimization and/or improvements to above-mentioned utility model technical scheme：
The above-mentioned lower end outside in fixed cover is fixed with lower limit platform, and the upper inner fixation of lower limit platform and seeker is pacified
It is fitted together.
The above-mentioned upper inner in top connection is fixed with chuck, and installation annular groove is provided with the outside of the upper end of center-pole, is above connect
Chuck on head is arranged in installation annular groove；Or/and the upper outside face of chuck is up-narrow and down-wide inclined-plane.
The upper outside face of above-mentioned outer land is up-narrow and down-wide inclined-plane；Or/and the upper outside face of claw boss is upper
Narrow lower wide inclined-plane；Or/and the lower end inside face of opening sleeve is up-narrow and down-wide inclined-plane.
It is above-mentioned to be provided with internal thread or external screw thread in the upper end of center-pole.
Above-mentioned center-pole is threadably secured with top connection to be installed together；Or/and lower limit platform passes through spiral shell with seeker
Line is fixedly installed togather.
The utility model reasonable and compact in structure, it is easy to use, by center-pole, top connection, opening sleeve, fixed cover and draw
Top guide is used cooperatively, and realizes the purpose for salvaging packer, is had the characteristics of safe and reliable, is facilitated operation, improve work
Efficiency.
Brief description of the drawings
Accompanying drawing 1 is the main view half section schematic of the best embodiment of the utility model.
Accompanying drawing 2 be accompanying drawing 1 in A-A to section view mplifying structure schematic diagram.
Accompanying drawing 3 is the section view mplifying structure schematic diagram at B-B in accompanying drawing 1.
Coding in accompanying drawing is respectively：Bar centered on 1,2 be top connection, and 3 be opening sleeve, and 4 be fixed cover, and 5 be seeker,
6 be ladder annular groove, and 7 be upper limit platform, and 8 be shear pin, and 9 be elastic claw, and 10 be claw boss, and 11 be outer land, and 12 be pressure
Contracting spring, 13 be lower limit platform, and 14 be chuck, and 15 be installation annular groove.
Embodiment
The utility model is not limited by following embodiments, can according to the technical solution of the utility model and actual conditions come
Determine specific embodiment.
In the utility model, for the ease of description, the description of the relative position relation of each part is according to specification
The Butut mode of accompanying drawing 1 is described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is according to Figure of description 1
Butut direction determine.
The utility model is further described with reference to embodiment and accompanying drawing：
As shown in accompanying drawing 1,2,3, the packer fishing device includes center-pole 1, top connection 2, opening sleeve 3, the and of fixed cover 4
Seeker 5；Top connection 2 is installed with the upper outside of center-pole 1, upper inner diameter is provided with the lower inside of center-pole 1
The small ladder annular groove 6 of big lower inner diameter, upper limit platform 7 is fixed with the outside of the upper end of fixed cover 4, the top of fixed cover 4 is with
Portion is located in ladder annular groove 6, and upper limit platform 7 is connected in the top of ladder annular groove 6 by least one shear pin 8,
The lower outside of fixed cover 4 is installed with seeker 5, opening sleeve 3 is housed in the middle part outer sheath of center-pole 1, in opening sleeve 3
Outer rim lower end interval be fixed with elastic claw 9, claw boss 10 is fixed with the lower end outside of elastic claw 9, under center-pole 1
End outside is fixed with outer land 11, the lower end inside face pressure of elastic claw 9 tightly on the lateral surface of outer land 11, top connection 2 with
It is connected with and is enclosed in the compression spring 12 of compression shape on center-pole 1 between opening sleeve 3, the lower surface of elastic claw 9 is by compressing bullet
Spring 12 is pressed on the upper surface of seeker 5.Ladder annular groove 6 is easy in the course of the work, the shear pin 8 on upper limit platform 7
After cutting, opening sleeve 3 moves down along the ladder annular groove 6 on center-pole 1, and last upper limit platform 7 can hang over the bottom of ladder annular groove 6
On step, it ensure that junk is not stayed in underground.So, center-pole 1, top connection 2, opening sleeve 3, fixed cover 4 and seeker 5 are passed through
It is used cooperatively, realizes the purpose for salvaging packer, there is the characteristics of safe and reliable, facilitate operation, improve operating efficiency.
Above-mentioned packer fishing device can be made further optimization and/or improvements according to being actually needed：
As shown in Figure 1, lower limit platform 13, lower limit platform 13 and seeker 5 are fixed with the lower end outside of fixed cover 4
Upper inner is fixedly installed togather.So, lower limit platform 13 is easy to the spacing of fixed cover 4.
As shown in Figure 1, chuck 14 is fixed with the upper inner of top connection 2, peace is provided with the outside of the upper end of center-pole 1
Annular groove 15 is filled, the chuck 14 in top connection 2 is arranged in installation annular groove 15；Or/and the upper outside face of chuck 14 for it is upper it is narrow under
Wide inclined-plane.So, chuck 14 is easy to the spacing of top connection 2.
As shown in Figure 1, the upper outside face of outer land 11 is up-narrow and down-wide inclined-plane；Or/and claw boss 10 is upper
Portion's lateral surface is up-narrow and down-wide inclined-plane；Or/and the lower end inside face of opening sleeve 3 is up-narrow and down-wide inclined-plane.So, it is open
It is easy to move down back seat on the inclined-plane in outer land 11 in inclined-plane on set 3；It is easy in the course of work on inclined-plane on claw boss 10
In it is projecting and depart from the salvaging reducing of tie-back sleeve.
As needed, internal thread or external screw thread are provided with the upper end of center-pole 1.So, it is easy to the peace installation and dismantling of center-pole 1
Unload.
As shown in Figure 1, center-pole 1 is threadably secured with top connection 2 and is installed together；Or/and lower limit platform 13 with
Seeker 5, which is threadably secured, to be installed together.So, be connected through a screw thread, be easy to center-pole 1 and top connection 2 installation and
Dismounting；It is easy to the installation and removal of lower limit platform 13 and seeker 5.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal implementation
Effect, can be according to the non-essential technical characteristic of increase and decrease be actually needed, to meet the needs of different situations.
The use process of the best embodiment of the utility model：When salvaging packer operation, by center-pole 1 of the present utility model
Linked together with oil pipe and form fishing string, then by, to packer position, continuing decentralization makes this reality under fishing string
Inserted with new seeker 5 in packer inner cylinder, because the external diameter of the claw boss 10 on elastic claw 9 is more than packer tie-back sleeve
Internal diameter, now the claw boss 10 of elastic claw 9 be against on the upper surface of packer tie-back sleeve, intubation post, bullet are put back under continuing
The claw boss 10 of property pawl 9 is stopped that opening sleeve 3 moves up by packer tie-back sleeve, and extrudes compression spring 12, with opening
Muzzle 3 continues to move up, and the support of outer land 11, elastic claw 9 connect on the off center bar 1 of claw boss 10 on elastic claw 9
With claw boss 10 to contract, the elastic claw 9 after contraction is inserted into packer tie-back sleeve together with claw boss 10, until inserting
Enter in the salvaging reducing of packer tie-back sleeve, now elastic claw 9 resets, and restPoses again, and the claw on elastic claw 9 is convex
Platform 10 is hung upside down to be salvaged on reducing in tie-back sleeve, above carries fishing tool, is increased tonnage and is above carried rear removing seal for packer, and salvages packing
Device；If packer can not unseal, increase tonnage, above carry upper limit platform 7 of the fishing string to the utility model fixed cover 4 with
The shear pin 8 that core bar 1 connects is cut, and center-pole 1 is overall to be moved up, and elastic claw 9 shrinks, the claw boss 10 on elastic claw 9 with
The fishing neck separation of packer tie-back sleeve, proposes fishing tool, ensure that junk is not stayed in underground.
Claims (15)
1. a kind of packer fishing device, it is characterised in that including center-pole, top connection, opening sleeve, fixed cover and seeker；
The upper outside of center-pole is installed with top connection, and it is small to be provided with the big lower inner diameter of upper inner diameter in the lower inside of center-pole
Ladder annular groove, upper limit platform being fixed with the outside of the upper end of fixed cover, the top and middle part of fixed cover are located in ladder annular groove, on
Limiting stand is connected to by least one shear pin in the top of ladder annular groove, is fixedly mounted in the lower outside of fixed cover
There is seeker, opening sleeve is housed in the middle part outer sheath of center-pole, elastic claw is fixed with the outer rim lower end interval of opening sleeve,
The lower end outside of elastic claw is fixed with claw boss, outer land is fixed with the lower end outside of center-pole, in the lower end of elastic claw
Lateral surface compressing is connected between top connection and opening sleeve and is enclosed on center-pole in the pressure of compression shape on the lateral surface of outer land
Contracting spring, the lower surface of elastic claw are pressed on the upper surface of seeker by compression spring.
2. packer fishing device according to claim 1, it is characterised in that the lower end outside of fixed cover is fixed with lower limit
The upper inner of position platform, lower limit platform and seeker is fixedly installed togather.
3. packer fishing device according to claim 1 or 2, it is characterised in that the upper inner of top connection is fixed with card
Platform, it is provided with the outside of the upper end of center-pole and annular groove is installed, the chuck in top connection is arranged in installation annular groove；Or/and chuck
Upper outside face is up-narrow and down-wide inclined-plane.
4. packer fishing device according to claim 1 or 2, it is characterised in that the upper outside face of outer land is upper narrow
Lower wide inclined-plane；Or/and the upper outside face of claw boss is up-narrow and down-wide inclined-plane；Or/and the lower end inside of opening sleeve
Face is up-narrow and down-wide inclined-plane.
5. packer fishing device according to claim 3, it is characterised in that the upper outside face of outer land for it is upper it is narrow under
Wide inclined-plane；Or/and the upper outside face of claw boss is up-narrow and down-wide inclined-plane；Or/and the lower end inside face of opening sleeve
For up-narrow and down-wide inclined-plane.
6. according to the packer fishing device described in claim 1 or 2 or 5, it is characterised in that the upper end of center-pole is provided with interior spiral shell
Line or external screw thread.
7. packer fishing device according to claim 3, it is characterised in that the upper end of center-pole is provided with internal thread or outer
Screw thread.
8. packer fishing device according to claim 4, it is characterised in that the upper end of center-pole is provided with internal thread or outer
Screw thread.
9. packer fishing device according to claim 1 or 2, it is characterised in that center-pole is consolidated with top connection by screw thread
Dingan County is fitted together；Or/and lower limit platform is threadably secured with seeker and is installed together.
10. packer fishing device according to claim 3, it is characterised in that center-pole is threadably secured with top connection
It is installed together；Or/and lower limit platform is threadably secured with seeker and is installed together.
11. packer fishing device according to claim 4, it is characterised in that center-pole is threadably secured with top connection
It is installed together；Or/and lower limit platform is threadably secured with seeker and is installed together.
12. packer fishing device according to claim 5, it is characterised in that center-pole is threadably secured with top connection
It is installed together；Or/and lower limit platform is threadably secured with seeker and is installed together.
13. packer fishing device according to claim 6, it is characterised in that center-pole is threadably secured with top connection
It is installed together；Or/and lower limit platform is threadably secured with seeker and is installed together.
14. packer fishing device according to claim 7, it is characterised in that center-pole is threadably secured with top connection
It is installed together；Or/and lower limit platform is threadably secured with seeker and is installed together.
15. packer fishing device according to claim 8, it is characterised in that center-pole is threadably secured with top connection
It is installed together；Or/and lower limit platform is threadably secured with seeker and is installed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720288720.1U CN206903621U (en) | 2017-03-23 | 2017-03-23 | Packer fishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720288720.1U CN206903621U (en) | 2017-03-23 | 2017-03-23 | Packer fishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206903621U true CN206903621U (en) | 2018-01-19 |
Family
ID=61294937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720288720.1U Expired - Fee Related CN206903621U (en) | 2017-03-23 | 2017-03-23 | Packer fishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206903621U (en) |
-
2017
- 2017-03-23 CN CN201720288720.1U patent/CN206903621U/en not_active Expired - Fee Related
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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: 20180119 Termination date: 20210323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |