CN204457586U - A kind of hydraulic pressure retrievable Bidirectional anchoring packer - Google Patents
A kind of hydraulic pressure retrievable Bidirectional anchoring packer Download PDFInfo
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- CN204457586U CN204457586U CN201520120081.9U CN201520120081U CN204457586U CN 204457586 U CN204457586 U CN 204457586U CN 201520120081 U CN201520120081 U CN 201520120081U CN 204457586 U CN204457586 U CN 204457586U
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- center tube
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- hydraulic pressure
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Abstract
The utility model relates to a kind of hydraulic pressure retrievable Bidirectional anchoring packer, belongs to Oil/gas Well underground operation tool field.This packer comprises upper center tube, lower center tube, top connection, lower contact, upper piston cylinder and lower piston cylinder.Be threaded between upper center tube with lower center tube; Upper center tube is provided with upper slips by upper slip ring and upper centrum, and lower center tube is provided with upper piston cylinder and lower piston cylinder by lock ring shell, and the ends screw of lower piston cylinder is provided with end cap, and end cap is connected and fixed by holding screw and lower contact.The sand control screen of this packer by chip barrier, can be convenient to smooth deblocking.Slips is pushed down by flat spring when entering well and deblocking takes out, thus effectively can avoid the risk of premature setting.Solve the general bearing capacity of conventional hydraulic packer lower, and the problem that when deblocking reclaims, packing element and slips are blocked by gravel, chip etc.Be specially adapted to large aperture completion and multiple layer combination packer completion practice use.
Description
Technical field
The utility model relates to a kind of hydraulic pressure retrievable Bidirectional anchoring packer, belongs to Oil/gas Well underground operation tool field.
Background technology
Packer mainly realizes the packing effect to annular space between tubing and casing, is widely used in drilling well, well cementation, test, completion etc., can carry out producing, water filling (gas), Inter-zonal packing, dispensing divide adopt, multi-layer testing, well stimulation operation etc.And conventional mechanical packer is due to reasons in structure, with the operation of rotation tubing string during use, be not especially suitable for ultradeep well or the inclined shaft of the bad transmission of moment of torsion, in horizontal well.The general bearing capacity of conventional hydraulic packer is lower, and interior latus rectum is less is not suitable for large aperture completion and multiple layer combination packer completion, and the risk that when having deblocking to reclaim, packing element and slips are blocked by gravel, chip etc.
Summary of the invention
The purpose of this utility model is: provide one to pass through hydraulic setting, bi-directional slip is made to be anchored on internal surface of sleeve pipe, multistage packing element combination sealing can bear the high pressure of high pressure 70MPa, at general job environment, can select to carry directly and get final product deblocking or cut central tube, with the hydraulic pressure retrievable Bidirectional anchoring packer regained from production casing by machinery or chemical cleavage instrument.
The technical solution of the utility model is
A kind of hydraulic pressure retrievable Bidirectional anchoring packer, comprise upper center tube, lower center tube, top connection, lower contact, upper piston cylinder and lower piston cylinder, it is characterized in that: the threaded one end of upper center tube is provided with top connection, the threaded one end of lower center tube is provided with lower contact, is threaded between upper center tube with lower center tube; Upper center tube is provided with upper slips by upper slip ring and upper centrum, on the upper center tube of upper slip ring one end by move ring and key baffle plate sand control screen be housed; The upper center tube of upper centrum one end is equipped with lower slips by hypocentrum and lower slip ring, and on hypocentrum, screw thread is provided with lower lead ring, and the upper center tube between lower lead ring and upper centrum is provided with packing element A, packing element B and packing element C successively by interior back band and outer back band; Lower center tube is provided with upper piston cylinder and lower piston cylinder by lock ring shell, lock ring shell and be provided with lower piston between lower piston cylinder and lower center tube; Lock ring B is provided with between lower piston and lock ring shell; Upper center tube between upper piston cylinder and lower slip ring is provided with upper piston; The ends screw of lower piston cylinder is provided with end cap, and end cap is connected and fixed by holding screw and lower contact; Shearing ring is provided with between described end cap and lower contact.
Described upper slips is connected with upper slip ring by shear pin A.
Be provided with key block between described upper slip ring and upper center tube, key block is connected with upper slip ring by shear pin B.
Described key baffle plate is threaded with upper slip ring, moves between ring with upper center tube and be threaded on described; On to move between ring and upper center tube and fixed by holding screw.
Be connected and fixed by shear pin C between described lower slip ring and lower slips.
Be provided with lock ring A between described hypocentrum and upper center tube, lock ring A is connected and fixed by shear pin D and hypocentrum.
Described lock ring A and the corresponding surface of upper center tube and hypocentrum are respectively arranged with unidirectional ratchet, lock ring A and being connected by unidirectional ratchet between upper center tube and hypocentrum.
Described lock ring shell is threaded with between lower piston cylinder; Fixed by holding screw between lock ring shell and lower piston cylinder, to be connected by shear pin E between lock ring shell with upper piston cylinder.
Described lock ring B and the corresponding surface of lower piston and lock ring shell are respectively arranged with unidirectional ratchet, lock ring B and being connected by unidirectional ratchet between lower piston and lock ring shell; Described lock ring B is connected and fixed by holding screw and lock ring shell.
Be threaded between described lower piston with upper piston cylinder, fixed by holding screw between lower piston and upper piston cylinder.
Be threaded between described upper piston with upper piston cylinder; Fixed by holding screw between upper piston and upper piston cylinder.
Be connected and fixed by shear pin F between described upper piston and lower slip ring.
The beneficial effects of the utility model are:
1, the sand control screen of this hydraulic pressure retrievable Bidirectional anchoring packer, can prevent from chip barrier piling up impurity around slips, be convenient to smooth deblocking;
2, anchor mechanism has bi-directional slip, can bear the bidirection press above and below from packer;
3, slips is pushed down by flat spring when entering well and deblocking takes out, and stretches out when being only subject to cone extrusion under action of hydraulic force, effectively can avoid the premature setting ground risk of conventional packer;
4, easy to use, by being threaded onto on production casing, grappling sealing device also can be selected to connect;
5, when setting, this packer body is motionless, without the need to mobile oil pipe, and can in one or more lower going-into-well during operation;
6, the multiple deblocking mode of this hydraulic pressure retrievable Bidirectional anchoring packer, is above carried deblocking or is reclaimed by mechanical recovery instrument cutting.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structure for amplifying schematic diagram at Figure 1A place;
Fig. 3 is the structure for amplifying schematic diagram at Figure 1B place;
Fig. 4 is the structure for amplifying schematic diagram at Fig. 1 C place;
Fig. 5 is the structure for amplifying schematic diagram at Fig. 1 D place;
Fig. 6 is the structure for amplifying schematic diagram at Fig. 1 E place.
In figure: 1, upper center tube, 2, lower center tube, 3, top connection, 4, lower contact, 5, upper piston cylinder, 6, lower piston cylinder, 7, upper slip ring, 8, upper centrum, 9, upper slips, 10, shear pin A, 11, key block, 12, shear pin B, 13, on move ring, 14, key baffle plate, 15, sand control shields, 16, holding screw, 17, hypocentrum, 18, lower slip ring, 19, lower slips, 20, shear pin C, 21, lock ring A, 22, shear pin D, 23, lower lead ring, 24, packing element A, 25, packing element B, 26, packing element C, 27, lock ring shell, 28, shear pin E, 29, lower piston, 30, lock ring B, 31, upper piston, 32, shear pin F, 33, end cap, 34, shearing ring.
Detailed description of the invention
This hydraulic pressure retrievable Bidirectional anchoring packer comprises upper center tube 1, lower center tube 2, top connection 3, lower contact 4, upper piston cylinder 5 and lower piston cylinder.The threaded one end of upper center tube 1 is provided with top connection 3, and the threaded one end of lower center tube 2 is provided with lower contact 4, is threaded between upper center tube 1 with lower center tube 2.Upper center tube 1 is provided with upper slips 9 by upper slip ring 7 and upper centrum 8.Upper slips 9 is connected with upper slip ring 7 by shear pin A10.On the upper center tube 1 of upper slip ring 7 one end by move ring 13 and key baffle plate 14 sand control screen 15 be housed.Be provided with key block 11 between upper slip ring 7 and upper center tube 1, key block 11 is connected with upper slip ring 7 by shear pin B12.Between key baffle plate 14 with upper slip ring 7 and on move to be respectively between ring 13 with upper center tube 1 and be threaded, above to move between ring 13 and upper center tube 1 and to be fixed by holding screw 16.
The upper center tube 1 of upper centrum 8 one end is equipped with lower slips 19 by hypocentrum 17 and lower slip ring 18, is connected and fixed by shear pin C20 between lower slip ring 18 and lower slips 19.Lock ring A21 is provided with between hypocentrum 17 and upper center tube 17.The corresponding surface of lock ring A21 and upper center tube 1 and hypocentrum 17 is respectively arranged with unidirectional ratchet, lock ring A21 and being connected by unidirectional ratchet between upper center tube 1 and hypocentrum 17; Lock ring A21 is also connected and fixed by shear pin D22 and hypocentrum 17.
On hypocentrum 17, screw thread is provided with lower lead ring 23, and the upper center tube 1 between lower lead ring 23 and upper centrum 8 is provided with packing element A24, packing element B25 and packing element C26 successively by interior back band and outer back band.
Lower center tube 2 is provided with upper piston cylinder 5 and lower piston cylinder 6 by lock ring shell 27, is threaded between lock ring shell 27 with lower piston cylinder 6; Also fixed by holding screw 16 between lock ring shell 27 and lower piston cylinder 6, be connected by shear pin E28 between lock ring shell 27 with upper piston cylinder 5.
Lock ring shell 27 and be provided with lower piston 29 between lower piston cylinder 6 and lower center tube 2; Lock ring B30 is provided with between lower piston 29 and lock ring shell 27.The corresponding surface of lock ring B30 and lower piston 29 and outer 27 shells of lock ring is respectively arranged with unidirectional ratchet, lock ring B30 and being connected by unidirectional ratchet between lower piston 29 and lock ring shell 27; Lock ring B30 is also connected and fixed by holding screw 16 and lock ring shell 27.
Be threaded between lower piston 29 with upper piston cylinder 5, also fixed by holding screw 16 between lower piston 29 and upper piston cylinder 5.
Upper center tube 1 between upper piston cylinder 5 and lower slip ring 18 is provided with upper piston 31; Be threaded between upper piston 31 with upper piston cylinder 5; Also fixed by holding screw 16 between upper piston 31 and upper piston cylinder 5.Be connected and fixed by shear pin F32 between upper piston 31 and lower slip ring 18.
The ends screw of lower piston cylinder 6 is provided with end cap 33, and end cap 33 is connected and fixed by holding screw 16 and lower contact 4; Shearing ring 34 is provided with between end cap 33 and lower contact 4.
This hydraulic pressure retrievable Bidirectional anchoring packer is made up of upper piston 31, lower center tube 2, upper piston cylinder 5, lock ring shell 27, lock ring B30, lower piston cylinder 6 and lower piston 29 and sets locking mechanism.Anchor mechanism is formed by upper slip ring 7, upper slips 9, upper centrum 8, lower lead ring 23, hypocentrum 17, lower slips 19 and lower slip ring 18; Sealing mechanism is formed by interior back band, outer back band, packing element A24, packing element B25 and packing element C26.Solution sealing mechanism is formed by top connection 3, upper center tube 1, lower center tube 2, lower contact 4, shearing ring 34, key baffle plate 14, lock ring A21 etc.
During the work of this hydraulic pressure retrievable Bidirectional anchoring packer, bottom it, need connection one suppress ball seat to allow tubing seal, and be used to provide hydraulic coupling and allow this packer setting.After sealed packer reaches precalculated position, small displacement pitching, starts pump pressure.
After hydraulic coupling reaches the setting value of shear pin B12, shear pin B12 is cut off, and now sets startup.Upper piston 31 promotes lower slip ring 18, hypocentrum 17, lower slips 19, lock ring A21, lower lead ring 23, packing element A24, packing element B25 and packing element C26, and upper centrum 8 moves up, so promote upper slips 9, upper slip ring 7, key baffle plate 14 compress sand control screen 15, realize thus setting.Setting force is kept by lock ring A21.
During deblocking, can select to carry central tube directly, when the shearing force of upper lifting force > shearing ring 34, shearing ring 34 can be cut off under the effect of upper lifting force.Sand that central tube is shifted elsewhere for garrison duty shields 15 resiliences, and upper slip ring 7 drives on upper cone 8 and moves, packing element A24, packing element B25 and packing element C26 resilience, last central tube drives and moves on the whole; Realize deblocking thus.In the process, sand control screen 15 by chip barrier, to prevent from piling up impurity around slips, can be convenient to smooth deblocking.The slips of this hydraulic pressure retrievable Bidirectional anchoring packer is pushed down by flat spring when entering well and deblocking takes out, and stretches out, thus effectively can avoid the risk of the premature setting of conventional packer when being only subject to cone extrusion under action of hydraulic force.
Claims (10)
1. a hydraulic pressure retrievable Bidirectional anchoring packer, comprise upper center tube (1), lower center tube (2), top connection (3), lower contact (4), upper piston cylinder (5) and lower piston cylinder (6), it is characterized in that: the threaded one end of upper center tube (1) is provided with top connection (3), the threaded one end of lower center tube (2) is provided with lower contact (4), is threaded between upper center tube (1) with lower center tube (2); Upper center tube (1) is provided with upper slips (9) by upper slip ring (7) and upper centrum (8), on the upper center tube (1) of upper slip ring (7) one end by move ring (13) and key baffle plate (14) sand control screen (15) be housed; The upper center tube (1) of upper centrum (8) one end is equipped with lower slips (19) by hypocentrum (17) and lower slip ring (18), the upper screw thread of hypocentrum (17) is provided with lower lead ring (23), and the upper center tube (1) between lower lead ring (23) and upper centrum (8) is provided with packing element A(240, packing element B(25 successively by interior back band and outer back band) and packing element C(26); Lower center tube (2) is provided with upper piston cylinder (5) and lower piston cylinder (6) by lock ring shell (27), lock ring shell (27) and be provided with lower piston (29) between lower piston cylinder (6) and lower center tube (2); Lock ring B(30 is provided with) between lower piston (29) and lock ring shell (27); Upper center tube (1) between upper piston cylinder (5) and lower slip ring (18) is provided with upper piston (31); The ends screw of lower piston cylinder (6) is provided with end cap (33), and end cap (33) is connected and fixed by holding screw (16) and lower contact (4); Shearing ring (34) is provided with between described end cap (33) and lower contact (4).
2. a kind of hydraulic pressure retrievable Bidirectional anchoring packer according to claim 1, is characterized in that: described upper slips (9) is by shear pin A(10) be connected with upper slip ring (7).
3. a kind of hydraulic pressure retrievable Bidirectional anchoring packer according to claim 1, it is characterized in that: be provided with key block (11) between described upper slip ring (7) and upper center tube (1), key block (11) is by shear pin B(12) be connected with upper slip ring (7).
4. a kind of hydraulic pressure retrievable Bidirectional anchoring packer according to claim 1, is characterized in that: described key baffle plate (14) is threaded with upper slip ring (7), moves between ring (13) with upper center tube (1) and be threaded on described; On to move between ring (13) and upper center tube (1) and fixed by holding screw (16).
5. a kind of hydraulic pressure retrievable Bidirectional anchoring packer according to claim 1, is characterized in that: by shear pin C(20 between described lower slip ring (18) and lower slips (19)) be connected and fixed; Lock ring A(21 is provided with between described hypocentrum (17) and upper center tube (1)), lock ring A(21) by shear pin D(22) be connected and fixed with hypocentrum (17).
6. a kind of hydraulic pressure retrievable Bidirectional anchoring packer according to claim 1, it is characterized in that: described lock ring A(21) with the corresponding surface of upper center tube (1) and hypocentrum (17) on be respectively arranged with unidirectional ratchet, lock ring A(21) and to be connected by unidirectional ratchet between upper center tube (1) and hypocentrum (17).
7. a kind of hydraulic pressure retrievable Bidirectional anchoring packer according to claim 1, is characterized in that: described lock ring shell (27) is threaded with between lower piston cylinder (6); Also fixed by holding screw (16) between lock ring shell (27) and lower piston cylinder (6), by shear pin E(28 between lock ring shell (27) with upper piston cylinder (5)) be connected.
8. a kind of hydraulic pressure retrievable Bidirectional anchoring packer according to claim 1, it is characterized in that: described lock ring B(30) with the corresponding surface of lower piston (29) and lock ring shell (27) on be respectively arranged with unidirectional ratchet, lock ring B(30) and to be connected by unidirectional ratchet between lower piston (29) and lock ring shell (27); Described lock ring B(30) be connected and fixed by holding screw (16) and lock ring shell (27).
9. a kind of hydraulic pressure retrievable Bidirectional anchoring packer according to claim 1, it is characterized in that: described lower piston (29) is threaded with between upper piston cylinder (5), also fixed by holding screw (16) between lower piston (29) and upper piston cylinder (5).
10. a kind of hydraulic pressure retrievable Bidirectional anchoring packer according to claim 1, is characterized in that: described upper piston (31) is threaded with between upper piston cylinder (5); Also fixed by holding screw (16) between upper piston (31) and upper piston cylinder (5); By shear pin F(32 between upper piston (31) and lower slip ring (18)) be connected and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120081.9U CN204457586U (en) | 2015-02-28 | 2015-02-28 | A kind of hydraulic pressure retrievable Bidirectional anchoring packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120081.9U CN204457586U (en) | 2015-02-28 | 2015-02-28 | A kind of hydraulic pressure retrievable Bidirectional anchoring packer |
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| Publication Number | Publication Date |
|---|---|
| CN204457586U true CN204457586U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520120081.9U Expired - Fee Related CN204457586U (en) | 2015-02-28 | 2015-02-28 | A kind of hydraulic pressure retrievable Bidirectional anchoring packer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545246A (en) * | 2016-03-07 | 2016-05-04 | 荆州市赛瑞能源技术有限公司 | High-temperature high-pressure hydraulic recoverable packer |
| CN108894746A (en) * | 2018-08-21 | 2018-11-27 | 博德世达（天津）能源科技有限公司 | The permanent packer of whipstock, drilling equipment and windowing task method using it |
| CN110259408A (en) * | 2019-07-17 | 2019-09-20 | 中石化石油工程技术服务有限公司 | A kind of oil/gas well packing completion system |
| CN110566154A (en) * | 2019-10-15 | 2019-12-13 | 荆州市赛瑞能源技术有限公司 | Ultra-short type removable hydraulic packer |
| CN110952950A (en) * | 2018-09-26 | 2020-04-03 | 中国石油天然气股份有限公司 | Packer (CN) |
-
2015
- 2015-02-28 CN CN201520120081.9U patent/CN204457586U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545246A (en) * | 2016-03-07 | 2016-05-04 | 荆州市赛瑞能源技术有限公司 | High-temperature high-pressure hydraulic recoverable packer |
| CN105545246B (en) * | 2016-03-07 | 2017-12-15 | 荆州市赛瑞能源技术有限公司 | A kind of recyclable packer of HTHP hydraulic pressure |
| CN108894746A (en) * | 2018-08-21 | 2018-11-27 | 博德世达（天津）能源科技有限公司 | The permanent packer of whipstock, drilling equipment and windowing task method using it |
| CN110952950A (en) * | 2018-09-26 | 2020-04-03 | 中国石油天然气股份有限公司 | Packer (CN) |
| CN110952950B (en) * | 2018-09-26 | 2022-03-01 | 中国石油天然气股份有限公司 | Packer (CN) |
| CN110259408A (en) * | 2019-07-17 | 2019-09-20 | 中石化石油工程技术服务有限公司 | A kind of oil/gas well packing completion system |
| CN110566154A (en) * | 2019-10-15 | 2019-12-13 | 荆州市赛瑞能源技术有限公司 | Ultra-short type removable hydraulic packer |
| CN110566154B (en) * | 2019-10-15 | 2021-12-17 | 荆州市赛瑞能源技术有限公司 | Ultra-short type removable hydraulic packer |
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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 |
Granted publication date: 20150708 Termination date: 20190228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |