CN203347735U - Self-checking and self-sealing releasing packer - Google Patents
Self-checking and self-sealing releasing packer Download PDFInfo
- Publication number
- CN203347735U CN203347735U CN 201320403904 CN201320403904U CN203347735U CN 203347735 U CN203347735 U CN 203347735U CN 201320403904 CN201320403904 CN 201320403904 CN 201320403904 U CN201320403904 U CN 201320403904U CN 203347735 U CN203347735 U CN 203347735U
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- CN
- China
- Prior art keywords
- envelope
- testing
- giving
- central tube
- shear pin
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Abstract
The utility model relates to a packer with a self-checking and self-sealing function and a releasing function. The self-checking and self-sealing releasing packer comprises an upper joint, a releasing lock claw, a releasing lock sleeve, a central pipe, a connecting pup joint, an upper adjusting ring, an upper rubber sleeve, a lower rubber sleeve, a lower adjusting ring, an upper cone body, a slip, a lower cone body, a cylinder tank and a lower joint, wherein a releasing spherical seat is arranged at the inner side of the releasing lock claw, a releasing shear pin is arranged on the releasing lock claw, and a portion of the releasing shear pin stretches into the releasing spherical seat; a checking and sealing device is arranged between the upper rubber sleeve and the lower rubber sleeve; a setting shear pin is arranged at the place where the upper part of a slip sleeve and the upper cone body are connected; a setting shear pin is arranged at the place where the lower part of the slip sleeve and the lower cone body are connected; a setting shear pin is arranged at the place where the lower cone body and the cylinder tank are connected; the lower end of the lower cone body is connected to the upper end of the lower joint. The self-checking and self-sealing releasing packer achieves the self-checking and self-sealing function and the releasing function.
Description
Technical field
The utility model relates to the downhole tool that a kind of oil field is used, and particularly a kind of have from the packer of testing envelope function and the function of giving up.
Background technology
At present, the packer used in the seperated layer water injection in oil field and oil production technology, need to be to testing seal about packer after setting.Setting, test envelope work can not once complete, and will repeat operation, incurs loss through delay construction period, and has strengthened operating cost.And, in the tubing string of oil well pump, need regularly inspection pump, and during the inspection pump, tubing string being proposed, removing seal for packer, during lower subjob, must be lowered to new packer again, causes the wasting of resources.Before this use new technique, do not have packer to have simultaneously yet and test the function of sealing and giving up; and the packer that each oil field, well are used the before modes of giving up of unloading that adopt more; must put-on and delegated or rotation pipeline post, the packer displacement that often can cause grappling, sets or deblocking inefficacy during due to operation.
Summary of the invention
The purpose of this utility model is to provide a kind of packer of certainly testing envelope function and the function of giving up that simultaneously has in order to overcome the deficiencies in the prior art.
The technical scheme that the utility model provides is:
A kind of from testing the envelope back-off packer, comprise top connection (1), give up and lock pawl (2), the lock tube (5) of giving up, central tube (24), connecting short section (6), top adjustment ring (7), top packing element (8), bottom packing element (13), bottom adjustment ring (16), upper centrum (17), slips (20), hypocentrum (22), cylinder sleeve (27), lower contact (33), top connection (1) lower end connects the lock pawl (2) of giving up, described lock pawl (2) inboard of giving up is provided with the ball seat of giving up (3), be provided with the shear pin of giving up (4) on the lock pawl (2) of giving up, lock pawl (2) lower end of giving up connects the lock tube (5) of giving up, lock tube (5) lower end of giving up connects connecting short section (6), the lower inner wall of connecting short section (6) is connected with central tube (24), connecting short section (6) is connected with top packing element (8) by top adjustment ring (7), top adjustment ring (7) is located on the bottom of connecting short section (6), between top packing element (8) and bottom packing element (13), by packer detecting device, be connected, bottom packing element (13) is connected with bottom adjustment ring (16), the upper end of centrum (17) on bottom adjustment ring (16) ring set, upper centrum (17) is connected with hypocentrum (22) by the slips assembly, described slips assembly consists of slips (20) and slip sleeve (18), on slip sleeve (18) divides, in, lower three parts, the upper end of slips (20) connects the lower end of upper centrum (17), the lower end of slips (20) connects the lower end of hypocentrum (22), the in succession lower end of upper part of upper centrum (17) and slip sleeve (18), the upper part inboard of slip sleeve (18) connects slips (20) upper end, the in succession upper end of lower part of hypocentrum (22) and slip sleeve (18), the lower part inboard of slip sleeve (18) connects slips (20) lower end, slips (20) middle part is provided with spring (21), spring (21) in the mid portion shutoff of slip sleeve (18), the upper part of slip sleeve (18) is provided with and sets shear pin (19) with upper centrum (17) junction, and the lower part of described slip sleeve (18) is provided with and sets shear pin (23) with hypocentrum (22) junction, described hypocentrum (22) is connected with lower contact (33) by cylinder sleeve (27), and hypocentrum (22) is provided with and sets shear pin (26) with cylinder sleeve (27) junction, in space between described cylinder sleeve (27) and central tube (24), piston (29) is set, piston (29) is provided with lock ring (28) facing to a side of cylinder sleeve (27), central tube (24) lower inside is provided with and sets hole (34), sets hole (34) and is positioned at piston (29) below, cylinder sleeve (27) is provided with the described deblock pawl of deblock pawl (30) (30) inboard with the inboard of lower contact (33) junction and is connected with the lower end outside screw of central tube (24), the outside, upper end of deblock pawl (30) is connected with cylinder sleeve (27), the lower outside of deblock pawl (30) is threaded with lower contact (33), the lower inside of deblock pawl (30) is connected with separates big envelope (31), described solution big envelope (31) is located by connecting by deblocking shear pin (32) with deblock pawl (30), the position of the corresponding packer detecting device of central tube (24) is provided with tests sealing of hole (36), also be provided with on packer detecting device and test sealing of hole (35).
Concrete, described packer detecting device is by testing envelope support ring (9), test big envelope (10), test envelope piston (11) and test envelope shear pin (12) and form, the upper part upper end of testing envelope support ring (9) is connected with top packing element (8), the lower end of testing the lower part of envelope support ring (9) is connected with bottom packing element (13), described upper part and the lower part of testing envelope support ring (9) is coated with and tests big envelope (10), testing sealing of hole (35) is positioned at and tests on big envelope (10), described test in the upper part of envelope support ring (9) and space that formation is divided in bottom to arrange to test seal piston (11), testing envelope piston (11) inboard is connected with central tube (24), and testing envelope piston (11) is provided with and tests envelope shear pin (12) with central tube (24) junction, be provided with on described central tube and test sealing of hole (36), the described sealing of hole (36) of testing arranges confirmed envelope piston (11).
Concrete, described bottom packing element (13) is comprised of some packing elements, is provided with spacer ring (14) between adjacent packing element.
Concrete, the upper end of described upper centrum (17) and central tube (24) junction are provided with jump ring (15), and jump ring (15) stretches in central tube (24).
Packer provided by the utility model bottom connects setting ball seat and goes into the well, while setting, suppress internally, hydraulic pressure is up by setting hole (34) promotion piston (29), cut off and set shear pin (19), set shear pin (23) and set shear pin (26), and then compression top packing element (8), bottom packing element (13), slips (20) stretches out, set, continue to suppress, cut off and test envelope shear pin (12), by testing sealing of hole (36) and testing sealing of hole (35) and observe the sleeve pipe flooded conditions, directly judge whether packer sets successfully.After setting successfully, drop into steel ball, be seated on the ball seat of giving up (3), inside is suppressed, and cuts off the shear pin of giving up (4), and the ball seat of giving up (3) is descending, the lock pawl (2) of giving up loses inner support, thereby top connection (1), the lock pawl (2) of giving up, the ball seat of giving up (3) are proposed to pit shaft, and the effect of the spacer ring in the middle of the packing element of bottom is that packing element is separated, and makes between packer mutually unaffected in work.
The utility model had both solved conventional packer and had tested envelope operation complexity, the difficult problems such as the operating time is long, labour intensity is high, reduced again the wasting of resources, reduced construction cost, also solve in whole flow string, inspection pump difficulty, packer easily lost efficacy, examined at every turn the difficult problem that pump all needs to change packer simultaneously.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model specific embodiment.
1 top connection 2 lock pawl 3 ball seat 4 shear pin 5 lock tube 6 connecting short sections of giving up of giving up of giving up of giving up
7 top adjustment ring 8 top packing elements 9 test the envelope support ring 10 test big envelope 11 test the envelope piston 12 test the envelope shear pin
13 bottom packing element 14 spacer ring 15 jump ring 16 bottom adjustment ring 17 upper cone 18 slip sleeves 19 set shear pin
20 slips 21 spring 22 lower cones 23 set shear pin 24 central tube 25 screws 26 and set shear pin 27 cylinder sleeves
28 lock ring 29 piston 30 deblock pawls 31 solution big envelope 32 deblocking shear pin 33 lower contacts 34 set hole 35 and test sealing of hole
36 test sealing of hole.
The specific embodiment
A kind of from testing the envelope back-off packer as shown in Figure 1, comprise top connection (1), give up and lock pawl (2), the lock tube of giving up (5), central tube (24), connecting short section (6), top adjustment ring (7), top packing element (8), bottom packing element (13), bottom adjustment ring (16), upper centrum (17), slips (20), hypocentrum (22), cylinder sleeve (27) and lower contact (33).
Top connection (1) lower end connects the lock pawl (2) of giving up, and described lock pawl (2) inboard of giving up is provided with the ball seat of giving up (3).Be provided with the shear pin of giving up (4) on the lock pawl (2) of giving up, lock pawl (2) lower end of giving up connects the lock tube (5) of giving up, and the lock tube of giving up (5) lower end connects connecting short section (6), and the lower inner wall of connecting short section (6) is connected with central tube (24).Connecting short section (6) is connected with top packing element (8) by top adjustment ring (7), top adjustment ring (7) is located on the bottom of connecting short section (6), between top packing element (8) and bottom packing element (13), by packer detecting device, be connected, described bottom packing element (13) is comprised of some packing elements, is provided with spacer ring (14) between adjacent packing element.Bottom packing element (13) is connected with bottom adjustment ring (16), the upper end of centrum (17) on bottom adjustment ring (16) ring set, and upper centrum (17) is connected with hypocentrum (22) by the slips assembly.The upper end of described upper centrum (17) and central tube (24) junction are provided with jump ring (15), and jump ring (15) stretches in central tube (24).
Described slips assembly consists of slips (20) and slip sleeve (18).Slip sleeve (18) minute upper, middle, and lower part, the upper end of slips (20) connects the lower end of upper centrum (17), the lower end of slips (20) connects the lower end of hypocentrum (22), the in succession lower end of upper part of upper centrum (17) and slip sleeve (18), the upper part inboard of slip sleeve (18) connects slips (20) upper end, the in succession upper end of lower part of hypocentrum (22) and slip sleeve (18), the lower part inboard of slip sleeve (18) connects slips (20) lower end, slips (20) middle part is provided with spring (21), and spring (21) in the mid portion shutoff of slip sleeve (18).The upper part of slip sleeve (18) is provided with and sets shear pin (19) with upper centrum (17) junction, and the lower part of described slip sleeve (18) is provided with and sets shear pin (23) with hypocentrum (22) junction.Described hypocentrum (22) is connected with lower contact (33) by cylinder sleeve (27).
Hypocentrum (22) is provided with and sets shear pin (26) with cylinder sleeve (27) junction, in the space between described cylinder sleeve (27) and central tube (24), piston (29 is set.Piston (29) is provided with lock ring (28) facing to a side of cylinder sleeve (27), and central tube (24) lower inside is provided with and sets hole (34), sets hole (34) and is positioned at piston (29) below.Cylinder sleeve (27) is provided with the described deblock pawl of deblock pawl (30) (30) inboard with the inboard of lower contact (33) junction and is connected with the lower end outside screw of central tube (24).The outside, upper end of deblock pawl (30) is connected with cylinder sleeve (27), and the lower outside of deblock pawl (30) is threaded with lower contact (33).The lower inside of deblock pawl (30) is connected with separates big envelope (31), described solution big envelope (31) is located by connecting by deblocking shear pin (32) with deblock pawl (30), the position of the corresponding packer detecting device of central tube (24) is provided with tests sealing of hole (36), also is provided with on packer detecting device and tests sealing of hole (35).
Described packer detecting device forms by testing envelope support ring (9), test big envelope (10), test envelope piston (11) and testing envelope shear pin (12).The upper part upper end of testing envelope support ring (9) is connected with top packing element (8), the lower end of testing the lower part of envelope support ring (9) is connected with bottom packing element (13), described upper part and the lower part of testing envelope support ring (9) is coated with and tests big envelope (10), test sealing of hole (35) and be positioned at that to test big envelope (10) upper, described test in the upper part of envelope support ring (9) and space that formation is divided in bottom to arrange to test seal piston (11).Test that envelope piston (11) is inboard to be connected with central tube (24), and test envelope piston (11) and central tube (24) junction and be provided with to test and seal shear pin (12).Be provided with on described central tube and test sealing of hole (36), the described sealing of hole (36) of testing arranges confirmed envelope piston (11).
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or the part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (4)
1. certainly test the envelope back-off packer for one kind, comprise top connection (1), give up and lock pawl (2), the lock tube (5) of giving up, central tube (24), connecting short section (6), top adjustment ring (7), top packing element (8), bottom packing element (13), bottom adjustment ring (16), upper centrum (17), slips (20), hypocentrum (22), cylinder sleeve (27), lower contact (33), it is characterized in that, top connection (1) lower end connects the lock pawl (2) of giving up, described lock pawl (2) inboard of giving up is provided with the ball seat of giving up (3), be provided with the shear pin of giving up (4) on the lock pawl (2) of giving up, lock pawl (2) lower end of giving up connects the lock tube (5) of giving up, lock tube (5) lower end of giving up connects connecting short section (6), the lower inner wall of connecting short section (6) is connected with central tube (24), connecting short section (6) is connected with top packing element (8) by top adjustment ring (7), top adjustment ring (7) is located on the bottom of connecting short section (6), between top packing element (8) and bottom packing element (13), by packer detecting device, be connected, bottom packing element (13) is connected with bottom adjustment ring (16), the upper end of centrum (17) on bottom adjustment ring (16) ring set, upper centrum (17) is connected with hypocentrum (22) by the slips assembly, described slips assembly consists of slips (20) and slip sleeve (18), on slip sleeve (18) divides, in, lower three parts, the upper end of slips (20) connects the lower end of upper centrum (17), the lower end of slips (20) connects the lower end of hypocentrum (22), the in succession lower end of upper part of upper centrum (17) and slip sleeve (18), the upper part inboard of slip sleeve (18) connects slips (20) upper end, the in succession upper end of lower part of hypocentrum (22) and slip sleeve (18), the lower part inboard of slip sleeve (18) connects slips (20) lower end, slips (20) middle part is provided with spring (21), spring (21) in the mid portion shutoff of slip sleeve (18), the upper part of slip sleeve (18) is provided with and sets shear pin (19) with upper centrum (17) junction, and the lower part of described slip sleeve (18) is provided with and sets shear pin (23) with hypocentrum (22) junction, described hypocentrum (22) is connected with lower contact (33) by cylinder sleeve (27), and hypocentrum (22) is provided with and sets shear pin (26) with cylinder sleeve (27) junction, in space between described cylinder sleeve (27) and central tube (24), piston (29) is set, piston (29) is provided with lock ring (28) facing to a side of cylinder sleeve (27), central tube (24) lower inside is provided with and sets hole (34), sets hole (34) and is positioned at piston (29) below, cylinder sleeve (27) is provided with the described deblock pawl of deblock pawl (30) (30) inboard with the inboard of lower contact (33) junction and is connected with the lower end outside screw of central tube (24), the outside, upper end of deblock pawl (30) is connected with cylinder sleeve (27), the lower outside of deblock pawl (30) is threaded with lower contact (33), the lower inside of deblock pawl (30) is connected with separates big envelope (31), described solution big envelope (31) is located by connecting by deblocking shear pin (32) with deblock pawl (30), the position of the corresponding packer detecting device of central tube (24) is provided with tests sealing of hole (36), also be provided with on packer detecting device and test sealing of hole (35).
2. a kind of from testing the envelope back-off packer according to claim 1, it is characterized in that, described packer detecting device is by testing envelope support ring (9), test big envelope (10), test envelope piston (11) and test envelope shear pin (12) and form, the upper part upper end of testing envelope support ring (9) is connected with top packing element (8), the lower end of testing the lower part of envelope support ring (9) is connected with bottom packing element (13), described upper part and the lower part of testing envelope support ring (9) is coated with and tests big envelope (10), testing sealing of hole (35) is positioned at and tests on big envelope (10), described test in the upper part of envelope support ring (9) and space that formation is divided in bottom to arrange to test seal piston (11), testing envelope piston (11) inboard is connected with central tube (24), and testing envelope piston (11) is provided with and tests envelope shear pin (12) with central tube (24) junction, be provided with on described central tube and test sealing of hole (36), the described sealing of hole (36) of testing arranges confirmed envelope piston (11).
3. a kind of from testing the envelope back-off packer according to claim 1, it is characterized in that, described bottom packing element (13) is comprised of some packing elements, is provided with spacer ring (14) between adjacent packing element.
4. a kind of from testing the envelope back-off packer according to claim 1, it is characterized in that, the upper end of described upper centrum (17) and central tube (24) junction are provided with jump ring (15), and jump ring (15) stretches in central tube (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320403904 CN203347735U (en) | 2013-07-09 | 2013-07-09 | Self-checking and self-sealing releasing packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320403904 CN203347735U (en) | 2013-07-09 | 2013-07-09 | Self-checking and self-sealing releasing packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203347735U true CN203347735U (en) | 2013-12-18 |
Family
ID=49747645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320403904 Expired - Fee Related CN203347735U (en) | 2013-07-09 | 2013-07-09 | Self-checking and self-sealing releasing packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203347735U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975820A (en) * | 2015-06-25 | 2015-10-14 | 荆州市赛瑞能源技术有限公司 | Self-seal-examining slip packer |
| CN110984901A (en) * | 2019-11-06 | 2020-04-10 | 大庆油田有限责任公司 | Blowout prevention packer for quick pumping down and well completion after fracturing |
| CN113155371A (en) * | 2021-03-10 | 2021-07-23 | 四川省威沃敦化工有限公司 | Soluble bridge plug anchoring and sealing performance testing tool and using method thereof |
-
2013
- 2013-07-09 CN CN 201320403904 patent/CN203347735U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975820A (en) * | 2015-06-25 | 2015-10-14 | 荆州市赛瑞能源技术有限公司 | Self-seal-examining slip packer |
| CN104975820B (en) * | 2015-06-25 | 2017-07-11 | 荆州市赛瑞能源技术有限公司 | It is a kind of to test envelope anchor packer certainly |
| CN110984901A (en) * | 2019-11-06 | 2020-04-10 | 大庆油田有限责任公司 | Blowout prevention packer for quick pumping down and well completion after fracturing |
| CN113155371A (en) * | 2021-03-10 | 2021-07-23 | 四川省威沃敦化工有限公司 | Soluble bridge plug anchoring and sealing performance testing tool and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20210709 |