CN202645493U - Washable well slip type packer - Google Patents
Washable well slip type packer Download PDFInfo
- Publication number
- CN202645493U CN202645493U CN 201220309763 CN201220309763U CN202645493U CN 202645493 U CN202645493 U CN 202645493U CN 201220309763 CN201220309763 CN 201220309763 CN 201220309763 U CN201220309763 U CN 201220309763U CN 202645493 U CN202645493 U CN 202645493U
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- CN
- China
- Prior art keywords
- well
- flushing
- slip
- spring
- washing
- 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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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model provides a washable well slip type packer, comprising an upper connector, a well washing mechanism, a supporting mechanism, a packing mechanism, a sealing mechanism, and a straightening and steering mechanism, wherein the upper connector is internally connected with a central pipe and a lower connector in sequence; a well washing sleeve, a well washing piston, a well washing seat, a packaging pipe, a conical body, a slip sleeve, a slip support, a protective sleeve, a ball locking seat, a ball baffling sleeve, a releasing sleeve, a straightening body, a friction body, a pressing ring and a baffling ring are connected outside the central pipe and below the upper connector; the well washing seat and a packing piece are mounted outside the packing pipe and on the conical body; a well washing spring, a small piston and a well washing piston are mounted on the packing pipe, a lower central pipe of the upper connector and an annular gap of the well washing sleeve; a ball baffling spring is arranged between the protective sleeve and the ball locking seat; a straightening spring is arranged between the straightening body and the friction block; and a rotary ring is arranged among the straightening body, the lower pressing ring and the upper baffling ring.
Description
Technical field
The utility model relates to oil exploitation underground operation tool packer, particularly a kind of washing well slip-type packer.
Background technology
Traditional Y211 slip-type packer or Y341 well packer capable of flushing well that is applied in the process pipe strings such as oil field layered oil recovery, seperated layer water injection.These two kinds of packer types, for the oil production technology of oil exploitation has been made contribution, but it exists following shortcoming or deficiency simultaneously: 1. Y211 slip-type packing, on put put set, without well-flushing mechanism, washing well not after setting can not be applied in the water injection string of well-flushing requirement; 2. present Y341 well packer capable of flushing well commonly used, for hydraulic setting, on carry deblocking, washing well mechanism arranged, can satisfy the requirement of water injection well well-flushing, need independent pump truck and tank car to suppress but set, operating cost is high; 3. the Y341 well packer capable of flushing well sets needs independent pump truck and tank car to suppress long construction period; 4. Y341 well packer capable of flushing well itself when setting rear large pressure reduction water filling, produces wriggling without anchor mechanism easily, causes layering to be lost efficacy.
Summary of the invention
The purpose of this utility model provides a kind of washing well slip-type packer, employing has the structure of well-flushing mechanism, and the shortcoming or the deficiency that have both effectively overcome or avoided existing in the above-mentioned prior art can improve its Technological adaptability again greatly, improve operating efficiency, reduce operating cost.
Washing well slip-type packer described in the utility model comprises top connection, well-flushing spring, well-flushing cover, valve piston, well-flushing piston, well-flushing seat, packer accessory, packing pipe, central tube, cone, slips, slip sleeve, slips support, the spring of blocking, sheath, lock ball seat, the cover of blocking, discharges cover, centralizer body, brake pad, righting spring, pressure ring, change, baffle ring, lower contact.In the described top connection in turn with central tube, lower contact is connected, outside the central tube, under the top connection in turn with the well-flushing cover, the well-flushing piston, the well-flushing seat, the packing pipe, cone, slip sleeve, slips support, sheath, the lock ball seat, the cover of blocking, discharge cover, centralizer body, brake pad, pressure ring, baffle ring is connected, outside the packing pipe, the well-flushing seat is installed on the cone, packer accessory, on the packing pipe, in the annular space of top connection lower center tube and well-flushing cover the well-flushing spring is installed, valve piston, the well-flushing piston, between sheath and the lock ball seat spring of blocking is installed, centralizer body, the righting spring is installed, centralizer body between the brake pad, under the pressure ring, change is installed between on the baffle ring.
Wherein, be equipped with on described top connection and the central tube between the described well-flushing piston of locking nail and the packing pipe joint ring is installed.Between the described packer accessory spacer ring is installed.Between described lock ball seat and the central tube steel ball is installed.Between described change and the central tube track pin is installed.Between described cone and the slips support slips is installed.On described top connection, valve piston, the well-flushing seat sealing ring is installed.The bottom of described well-flushing cover is provided with inlet opening.Be provided with annular well-flushing passage between described packing pipe and the central tube.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the present utility model;
Wherein two halves diagram in the left and right sides represents respectively the upper and lower part of washing well slip-type packer.
The specific embodiment
Consult Fig. 1, a kind of washing well slip-type packer comprises top connection 1, well-flushing spring 4, well-flushing cover 5, valve piston 6, well-flushing piston 7, well-flushing seat 9, packer accessory 10, packing pipe 12, central tube 13, cone 14, slips 15, slip sleeve 16, slips support 17, the spring 18 of blocking, sheath 19, lock ball seat 20, the cover 21 of blocking, discharges cover 23, centralizer body 24, brake pad 25, righting spring 26, pressure ring 27, change 29, baffle ring 30, lower contact 31.In the top connection 1 in turn with central tube 13, lower contact 31 is connected, outside the central tube 13, top connection overlaps 5 with well-flushing 1 time in turn, well-flushing piston 7, well-flushing seat 9, packing pipe 12, cone 14, slip sleeve 16, slips support 17, sheath 19, lock ball seat 20, block and overlap 21, discharge cover 23, centralizer body 24, brake pad 25, pressure ring 27, baffle ring 30 is connected, outside the packing pipe 12, well-flushing seat 9 is installed on the cone 14, packer accessory 10, on the packing pipe 12, in the annular space of top connection 1 lower center tube 13 and well-flushing cover 5 well-flushing spring 4 is installed, valve piston 6, well-flushing piston 7, between sheath 19 and the lock ball seat 20 spring 18 of blocking is installed, centralizer body 24, righting spring 26 is installed, centralizer body 24 between the brake pad 25, pressure ring 27 times, change 29 is installed between on the baffle ring 30.
Be equipped with on top connection 1 and the central tube 13 between locking nail 3 described well-flushing pistons 7 and the packing pipe 12 joint ring 8 is installed.Spacer ring 11 is installed between the packer accessory 10.Between lock ball seat 20 and the central tube 13 steel ball 22 is installed.Between change 29 and the central tube 13 track pin 28 is installed.Between cone 14 and the slips support 17 slips 15 is installed.On top connection 1, valve piston 6, the well-flushing seat 9 sealing ring 2 is installed.The bottom of well-flushing cover 5 is provided with inlet opening.Be provided with annular well-flushing passage between packing pipe 12 and the central tube 13.
When setting, the process of going into the well middle orbit pin 28 is on the short track, and is lower behind the precalculated position, by on put and put tubing string track pin 28 is changed to long track by short track, continue to transfer, it is up that brake pad 25 promotes slips supports 17, slips 15 up strutting are blocked casing wall; Transfer tubing string, central tube 13 drives well-flushing cover 5 and well-flushing seat 9 compression packing spares 10 again, and Seal Oil cover annular space finishes setting.During deblocking, the direct deblocking of upper lifting pipe post.
During well-flushing, if need the fixed tubular column well-flushing, tubing string puts in place, behind the packer setting, can inject flushing fluid by sleeve pipe, inlet opening promotion well-flushing piston 7 by well-flushing cover 5 is up, and the thrust that overcomes well-flushing spring 4 is opened well-flushing piston 7, and flushing fluid is along the annular well-flushing passage of packing pipe 12 and central tube 13, walk around cartridge 10 and flow out from the lower end, thereby finish well-flushing.
Claims (10)
1. washing well slip-type packer, comprise top connection, the well-flushing spring, the well-flushing cover, valve piston, the well-flushing piston, the well-flushing seat, packer accessory, the packing pipe, central tube, cone, slips, slip sleeve, slips support, the spring of blocking, sheath, the lock ball seat, the cover of blocking, discharge cover, centralizer body, brake pad, the righting spring, pressure ring, change, baffle ring, lower contact, it is characterized in that in the described top connection in turn and central tube, lower contact is connected, outside the central tube, under the top connection in turn with the well-flushing cover, the well-flushing piston, the well-flushing seat, the packing pipe, cone, slip sleeve, slips support, sheath, the lock ball seat, the cover of blocking, discharge cover, centralizer body, brake pad, pressure ring, baffle ring is connected, outside the packing pipe, the well-flushing seat is installed on the cone, packer accessory, on the packing pipe, in the annular space of top connection lower center tube and well-flushing cover the well-flushing spring is installed, valve piston, the well-flushing piston, between sheath and the lock ball seat spring of blocking is installed, centralizer body, the righting spring is installed, centralizer body between the brake pad, under the pressure ring, change is installed between on the baffle ring.
2. washing well slip-type packer according to claim 1 is characterized in that being equipped with on described top connection and the central tube locking nail.
3. washing well slip-type packer according to claim 1 is characterized in that between described well-flushing piston and the packing pipe joint ring being installed.
4. washing well slip-type packer according to claim 1 is characterized in that between the described packer accessory spacer ring being installed.
5. washing well slip-type packer according to claim 1 is characterized in that between described lock ball seat and the central tube steel ball being installed.
6. washing well slip-type packer according to claim 1 is characterized in that between described change and the central tube track pin being installed.
7. washing well slip-type packer according to claim 1 is characterized in that between described cone and the slips support slips being installed.
8. washing well slip-type packer according to claim 1 is characterized in that on described top connection, valve piston, the well-flushing seat sealing ring being installed.
9. washing well slip-type packer according to claim 1 is characterized in that the bottom of described well-flushing cover is provided with inlet opening.
10. washing well slip-type packer according to claim 1 is characterized in that being provided with between described packing pipe and the central tube annular well-flushing passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220309763 CN202645493U (en) | 2012-06-29 | 2012-06-29 | Washable well slip type packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220309763 CN202645493U (en) | 2012-06-29 | 2012-06-29 | Washable well slip type packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202645493U true CN202645493U (en) | 2013-01-02 |
Family
ID=47414615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220309763 Expired - Fee Related CN202645493U (en) | 2012-06-29 | 2012-06-29 | Washable well slip type packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202645493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929562A (en) * | 2015-06-24 | 2015-09-23 | 安东石油技术（集团）有限公司 | Packer |
| CN111395990A (en) * | 2020-05-21 | 2020-07-10 | 莱西市鑫喆工程技术服务中心 | Packer |
-
2012
- 2012-06-29 CN CN 201220309763 patent/CN202645493U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929562A (en) * | 2015-06-24 | 2015-09-23 | 安东石油技术（集团）有限公司 | Packer |
| CN104929562B (en) * | 2015-06-24 | 2017-12-22 | 安东石油技术（集团）有限公司 | Packer |
| CN111395990A (en) * | 2020-05-21 | 2020-07-10 | 莱西市鑫喆工程技术服务中心 | Packer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20130629 |