CN209083254U - A kind of slant hole packer - Google Patents
A kind of slant hole packer Download PDFInfo
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- CN209083254U CN209083254U CN201821750641.9U CN201821750641U CN209083254U CN 209083254 U CN209083254 U CN 209083254U CN 201821750641 U CN201821750641 U CN 201821750641U CN 209083254 U CN209083254 U CN 209083254U
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- packing element
- lock
- ring
- central tube
- hydraulic cylinder
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Abstract
The utility model belongs to oil extraction in oil field technical field of tools, and in particular to a kind of slant hole packer.A kind of slant hole packer, including top connection and lower contact, top connection lower end is connect with central tube threaded upper ends, internal screw thread is arranged in top connection lower end, central tube lower end is connect with lower contact threaded upper ends, internal screw thread is arranged in central tube upper end, the packer carries erection device, it can be used for high angle hole, the operating temperature of adaptation is 120 DEG C, and for operating pressure up to 25Mpa, setting pressure limit is 14~16Mpa, deblocking load is 20~30KN, and the utility model packer can be realized packing, set, unseals, locking, a series of actions such as righting.
Description
Technical field
The utility model belongs to oil extraction in oil field technical field of tools, and in particular to a kind of slant hole packer.
Background technique
It is widely different between oil reservoir, it may appear that each oil since the oil reservoir quantity in oil field is more in oil extraction process of oil well
Between layer the problem of serious interference, in order to avoid interfering with each other between oil reservoir, separate zone production can be carried out to oil field, every adopting, be layered note
The operations such as water, formation testing, water blockoff, water detection.
The case where practical oil well, is not quite similar, oil well there is gradient, in inclined shaft, tubing string is close to casing wall
Radial force it is bigger, when carrying out setting layering using general packer, common packer setting effect is bad, sometimes may be used
Packer is set to fail.
Summary of the invention
The purpose of this utility model is that providing aiming at the problems existing in the prior art a kind of suitable for inclined shaft operation
Slant hole packer.
The technical solution of the utility model is:
A kind of slant hole packer, including top connection and lower contact, top connection lower end connect with central tube threaded upper ends, above connect
Internal screw thread is arranged in head lower end, and central tube lower end is connect with lower contact threaded upper ends, and internal screw thread is arranged in central tube upper end, and described is upper
The lower end outside setting connection step of connector, the central tube outside is provided with sequentially connected pressure cap, packing element component, upper liquid
Cylinder pressure and lock tube, pressure cap is arranged on the connection step on the outside of top connection and outer edge and top connection outer edge are in same plane
On, packing element component is set below pressure cap, upper hydraulic cylinder is set below packing element component, upper hydraulic cylinder lower end is connect with lock tube, and on
Cavity is formed between hydraulic cylinder and central tube, lower contact is located in upper hydraulic cylinder and airtight connection between upper end and upper hydraulic cylinder,
Cavity is formed between upper hydraulic cylinder, central tube and lower contact, liquid pass hole is provided on the corresponding central tube of the cavity, under described
There are gaps between connector middle section and upper hydraulic cylinder, and are provided with lock ring, the outer wall of lock ring on the interstitial lower contact outer wall
Setting locking tooth, the lock tube inner wall setting is lower to lock pressure, the lower lock on locking tooth and the lock tube on the lock ring
Tooth closes, and deblocking shear pin is provided with below the lock ring, and deblocking shear pin is arranged and the outer wall of central tube, below the lock tube
It is provided with adjusting ring, lock tube is connect with adjusting ring by setting shear pin, passes through fluting cone between the adjusting ring and lower contact
End holding screw is fixed.
Specifically, being embedded with righting steel ball on the pressure cap.
Specifically, the packing element component includes end packing element and middle packing element, the end packing element includes upper end packing element under
Packing element is held, spacer ring is provided between the upper end packing element and middle packing element, is provided with spacer ring between middle packing element and lower rubber cylinder.
Specifically, being provided with support ring below the lock ring, deblocking shear pin is arranged across support ring.
Specifically, O-ring seals one, the upper hydraulic cylinder and central tube are arranged between the top connection and central tube
Between O-ring seals two are set, be provided with O-ring seals between the part that the lower contact and upper hydraulic cylinder are tightly connected
Three.
The beneficial effects of the utility model are: the packer carries erection device, it can be used for high angle hole, the work of adaptation
Temperature is 120 DEG C, and for operating pressure up to 25Mpa, setting pressure limit is 14~16Mpa, and deblocking load is 20~30KN, this reality
It can be realized packing with novel packer, set, unseal, lock, a series of actions such as righting.Packing provided by the utility model
It is low that device sets pressure, set it is reliable, it is easy to use and reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
1 top connection, 2 O-ring seals, 3 pressure caps, 4 end packing elements, 5 spacer rings, packing element, 7 central tubes, 8O shape sealing ring in 6
One, hydraulic cylinder on 9,10 O-ring seals two, 11 lock rings, 12 deblocking shear pins, 13 support rings, 14 lock tubes, 15 set shear pin, 16 open
Slot tapered end holding screw, 17 lower contacts, 18 lower contacts, 19 righting steel balls.
Specific embodiment
It is as shown in Figure 1 a kind of structural schematic diagram of slant hole packer, including top connection 1 and lower contact 18, under top connection 1
End is connect with 7 threaded upper ends of central tube, and internal screw thread, 7 lower end of central tube and 18 threaded upper ends of lower contact are arranged in 1 lower end of top connection
Internal screw thread, the lower end outside setting connection step of the top connection 1, the central tube 7 is arranged in connection, 7 upper end of central tube
Outside is provided with sequentially connected pressure cap 3, packing element component, upper hydraulic cylinder 9 and lock tube 14, and 1 outside of top connection is arranged in pressure cap 3
It connects on step and outer edge and 1 outer edge of top connection is in the same plane, righting steel ball 19 is embedded on the pressure cap,
Packing element component is set below pressure cap 3, upper hydraulic cylinder 9 is set below packing element component, upper 9 lower end of hydraulic cylinder is connect with lock tube 14,
And cavity is formed between upper hydraulic cylinder 9 and central tube 7, lower contact 18 is located in upper hydraulic cylinder 9 and between upper end and upper hydraulic cylinder 9
Airtight connection forms cavity between upper hydraulic cylinder 9, central tube 7 and lower contact 18, is provided on the corresponding central tube 7 of the cavity
Liquid pass hole, there are gaps between 18 middle section of lower contact and upper hydraulic cylinder 9, and set on interstitial 18 outer wall of lower contact
It is equipped with lock ring 11, locking tooth is arranged in the outer wall of lock ring 11, and the lower lock of 14 inner wall of lock tube setting is pressed, on the lock ring 11
The lower lock tooth locked on tooth and the lock tube 14 closes, and deblocking shear pin 12 is provided with below the lock ring 11, unseals shear pin
12 are arranged the outer wall with central tube 7, and support ring 13 is provided with below the lock ring 11, and deblocking shear pin 12 passes through support ring 13 and sets
It sets, is provided with below the lock tube 14 and adjusts ring 16, lock tube 14 is connect with adjusting ring 16 by setting shear pin 15, the tune
It saves fixed by fluting tapered end holding screw 17 between ring 16 and lower contact 18.
The packing element component includes end packing element 4 and middle packing element 6, and the end packing element 4 includes upper end packing element and lower end glue
Cylinder, is provided with spacer ring 5, is provided with spacer ring 5 between middle packing element 6 and lower rubber cylinder between the upper end packing element and middle packing element 6.
O-ring seals 1, the upper hydraulic cylinder 9 and central tube 7 are set between the top connection 1 and central tube 7
Between O-ring seals 28 are set, the sealing of O shape is provided between the part that the lower contact 18 and upper hydraulic cylinder 9 are tightly connected
Enclose 3 10.
The course of work of slant hole packer provided by the utility model is as follows:
Setting process: by slant hole packer provided by the utility model down toward set depth, injected out of oil pipe liquid into
Row liquid feeding pressure, liquid enter the sky formed between upper hydraulic cylinder 9, central tube 7 and lower contact 18 by the liquid pass hole on central tube 7
Intracavitary, liquid pushes the hydraulic piston uplink of hydraulic cylinder 9 while empty cavity pressure increases, and drives 14 uplink of lock tube, lock
Set 14 and the shear pin 15 that sets adjusted between ring 16 are cut, and lock tube 14 continues uplink and simultaneously compresses packing element component, continuously rises to institute
The lower lock tooth on locking tooth and the lock tube 14 on the lock ring 11 stated closes, and packing element component cannot rebound, thus Seal Oil
Collar-shaped space, completion set work, because this packer has righting steel ball 19, in compression-expansion mistake during setting
Cheng Zhong can effectively insulate oil pipe since the effect of righting steel ball 19 is so that the radial force received on packer circumference is relatively uniform
Annular space between casing guarantees the reliability that packer provided by the utility model is set in inclined shaft.
Deblocking process: above mentioning connection tubing string, the utility model divider is lifted, so that 7 uplink of central tube, 11 lock tube of lock ring
14 are detached from, removing seal for packer.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (5)
1. a kind of slant hole packer, including top connection (1) and lower contact (18), top connection (1) lower end and central tube (7) upper end spiral shell
Internal screw thread is arranged in line connection, top connection (1) lower end, and central tube (7) lower end is connect with lower contact (18) threaded upper ends, on central tube
End setting internal screw thread；The lower end outside setting connection step of the top connection (1), the central tube (7) outside is provided with
Sequentially connected pressure cap (3), packing element component, upper hydraulic cylinder (9) and lock tube (14)；The pressure cap (3) is arranged in top connection (1)
On the connection step in outside and outer edge and top connection (1) outer edge are in the same plane, and packing element group is arranged below pressure cap (3)
Upper hydraulic cylinder (9) are arranged in part, packing element component lower section；
It is characterized in that, upper hydraulic cylinder (9) lower end is connect with lock tube (14), and upper hydraulic cylinder (9) and central tube (7) it
Between have a gap, lower contact (18) is located in upper hydraulic cylinder (9) and airtight connection between upper end and upper hydraulic cylinder (9), upper hydraulic cylinder
(9), cavity is formed between central tube (7) and lower contact (18), is provided with liquid pass hole on the corresponding central tube of the cavity (7)；
There are gaps between lower contact (18) middle section and upper hydraulic cylinder (9), and interstitial lower contact (18) outer wall
On be provided with lock ring (11), the outer wall of lock ring (11) setting locking tooth, the lower lock pressure of the lock tube (14) inner wall setting is described
The lower lock tooth on locking tooth and the lock tube (14) on lock ring (11) closes,
Deblocking shear pin (12), the outer wall of deblocking shear pin (12) setting and central tube (7) are provided with below the lock ring (11)；
It is provided with below the lock tube (14) and adjusts ring (16), lock tube (14) and adjusting ring (16) are by setting shear pin (15) even
It connects, it is fixed by fluting tapered end holding screw (17) between the adjusting ring (16) and lower contact (18).
2. slant hole packer according to claim 1, which is characterized in that be embedded with righting steel ball (19) on the pressure cap.
3. slant hole packer according to claim 1, which is characterized in that the packing element component include end packing element (4) and in
Packing element (6), the end packing element (4) include upper end packing element and lower end packing element, are set between the upper end packing element and middle packing element (6)
It is equipped with spacer ring (5), is provided with spacer ring (5) between middle packing element (6) and lower rubber cylinder.
4. slant hole packer according to claim 1, which is characterized in that be provided with support ring below the lock ring (11)
(13), deblocking shear pin (12) is arranged across support ring (13).
5. slant hole packer according to claim 1, which is characterized in that set between the top connection (1) and central tube (7)
O-ring seals one (2) are set, O-ring seals two (8) are set between the upper hydraulic cylinder (9) and central tube (7), under described
O-ring seals three (10) are provided between the part that connector (18) and upper hydraulic cylinder (9) are tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821750641.9U CN209083254U (en) | 2018-10-27 | 2018-10-27 | A kind of slant hole packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821750641.9U CN209083254U (en) | 2018-10-27 | 2018-10-27 | A kind of slant hole packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209083254U true CN209083254U (en) | 2019-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821750641.9U Active CN209083254U (en) | 2018-10-27 | 2018-10-27 | A kind of slant hole packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209083254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112302564A (en) * | 2019-07-29 | 2021-02-02 | 中国石油天然气股份有限公司 | Packer |
-
2018
- 2018-10-27 CN CN201821750641.9U patent/CN209083254U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112302564A (en) * | 2019-07-29 | 2021-02-02 | 中国石油天然气股份有限公司 | Packer |
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