CN220645900U - Compression-resistant sealing type petroleum packer - Google Patents
Compression-resistant sealing type petroleum packer Download PDFInfo
- Publication number
- CN220645900U CN220645900U CN202321998589.XU CN202321998589U CN220645900U CN 220645900 U CN220645900 U CN 220645900U CN 202321998589 U CN202321998589 U CN 202321998589U CN 220645900 U CN220645900 U CN 220645900U
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- Prior art keywords
- pair
- ring
- fixed
- pipe
- fixed pipe
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- 238000007789 sealing Methods 0.000 title claims abstract description 43
- 239000003208 petroleum Substances 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 title claims abstract description 10
- 238000007906 compression Methods 0.000 title claims abstract description 10
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000002250 absorbent Substances 0.000 abstract description 6
- 239000011347 resin Substances 0.000 abstract description 6
- 229920005989 resin Polymers 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 abstract 1
- 238000004513 sizing Methods 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a compression-resistant sealed petroleum packer, which comprises: the first fixed pipe and the second fixed pipe are connected through a supporting sealing structure; the supporting and sealing structure comprises: the device comprises a first mounting ring, a plurality of sealing supporting sheets, a second mounting ring, an embedded inner pipe, a pair of fixing rings, a sealing rubber sleeve, a pair of self-adjusting fixing components and a plurality of spoilers; the utility model relates to the technical field of packers, and the beneficial effects of the scheme are as follows: the problem of current oil packer elastic seal spare, rubber frame when the expansion of absorbing water, only can carry out the expansion of transverse direction, can not carry out the buffering in the longitudinal direction, lead to rubber frame to be located the water-absorbent resin of inner when the expansion and excessively extrude, reduced the space of intaking, the water-absorbent resin of the inside can't absorb water the expansion, and then can not effectively expand and effective shutoff, can't carry out stable fixing when carrying out the shutoff use simultaneously, appear the position float is solved.
Description
Technical Field
The utility model relates to the technical field of packers, in particular to a compression-resistant sealed petroleum packer.
Background
The packer is provided with an elastic sealing element, and is used for sealing annular spaces between various size tubular columns and a well bore and between tubular columns, isolating a production layer, controlling production (injection) liquid, protecting a downhole tool of a casing, widely applied to operations such as drilling, well cementation, testing, well completion and the like, the utility model with the prior publication number of CN209040798U discloses a packer for petroleum drilling, an upper joint is fixed at one end of a sizing cylinder seat, the other end of the sizing cylinder seat is fixed at one end of the sizing cylinder, a lower joint is fixed at one end of a lower sizing cylinder seat, the other end of the lower sizing cylinder seat is fixed at the other end of the sizing cylinder, a fixing assembly is sleeved on the surface of the sizing cylinder, the fixing assembly comprises a spring, a fixing groove, a fixing rod and a limiting sleeve, the limiting sleeve is sleeved on the surface of the sizing cylinder and is in rotary connection with the sizing cylinder, a plurality of fixing grooves are formed in the surface of the sizing cylinder along the circumferential direction of the sizing cylinder, a spring is fixedly connected in the fixing groove, the end of the spring is fixedly connected to the fixing rod, the fixing sleeve is fixedly connected with the fixing sleeve along the circumferential direction, and the fixing sleeve is provided with a plurality of fixing holes in the circumferential direction, and the fixing sleeve is inserted into the fixing sleeve; the elastic sealing piece, namely the rubber frame, can only expand in the transverse direction when expanding in water absorption, and cannot buffer in the longitudinal direction, so that the water-absorbent resin positioned at the inner end of the rubber frame is excessively extruded when expanding, the water inlet space is reduced, the water-absorbent resin in the rubber frame cannot expand in water absorption, further cannot expand effectively and block effectively, and meanwhile cannot be stably fixed when being blocked, and position movement easily occurs.
Disclosure of Invention
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a pressure resistant sealed petroleum packer comprising: the first fixed pipe and the second fixed pipe are connected through a supporting sealing structure;
the supporting and sealing structure comprises: the device comprises a first mounting ring, a plurality of sealing supporting sheets, a second mounting ring, an embedded inner pipe, a pair of fixing rings, a sealing rubber sleeve, a pair of self-adjusting fixing components and a plurality of spoilers;
the first installing ring is installed at the lower end of the first fixed pipe, the upper ends of the sealing supporting pieces are installed on the first installing ring, the second installing ring is installed at the lower ends of the sealing supporting pieces, the embedded ring is installed on the lower wall surface of the second installing ring, the embedded inner pipe is installed on the embedded ring, the embedded inner pipe is inserted into the second fixed pipe through the embedded ring, the pair of fixed rings are installed on the outer wall surfaces of the first fixed pipe and the second fixed pipe, the sealing rubber sleeve is installed on the pair of fixed rings, the pair of self-adjusting fixed assemblies are installed on the second fixed pipe and the embedded inner pipe, and the plurality of spoilers are installed on the inner wall surface of the embedded inner pipe.
Preferably, the sealing rubber sleeve is mounted on a pair of fixing rings by fixing pins.
Preferably, one of the pair of self-adjusting fixing assemblies comprises: the device comprises a mounting groove, a pair of locking racks, a pair of adjusting guide plates and a lifting rack;
the mounting groove is arranged on the inner wall surface of the second fixed pipe, a pair of locking racks are movably arranged in the mounting groove, a pair of adjusting guide plates are arranged on the pair of locking racks, and the lifting rack is arranged on the outer wall surface of the embedded inner pipe.
Preferably, a pair of locking racks are mounted on a pair of adjustment guide plates by a fixed rotating shaft.
Preferably, the lifting rack is mounted on the embedded inner tube through a fixing bolt.
Preferably, the second fixed pipe is provided with a moving groove for moving the lifting rack.
Advantageous effects
The utility model provides a compression-resistant sealed petroleum packer which has the beneficial effects that a supporting sealing structure is used, a supporting piece is matched with a rubber sleeve to carry out plugging, and meanwhile, the sealing structure can be locked and fixed through petroleum flowing pressure during use, so that stable plugging is ensured, and the problems that an elastic sealing piece of the conventional petroleum packer, namely a rubber frame, can only expand in the transverse direction and cannot buffer in the longitudinal direction during water absorption expansion, so that water-absorbent resin at the inner end of the rubber frame is excessively extruded during expansion, the water inlet space is reduced, the water-absorbent resin inside cannot absorb water to expand, further cannot effectively expand and effectively plug, and meanwhile, stable fixing cannot be carried out during plugging use, and position movement easily occurs are solved.
Drawings
FIG. 1 is a schematic diagram of a cross-sectional front view of a compression-resistant sealed petroleum packer according to the present utility model.
FIG. 2 is a schematic side cross-sectional view of a compression-resistant sealed petroleum packer according to the present utility model.
FIG. 3 is a schematic perspective view of a sealing support plate of a compression-resistant sealing type petroleum packer.
FIG. 4 is a schematic diagram of a compression-resistant sealed petroleum packer according to the present utility model.
In the figure: 1-a first fixed tube; 2-a second fixed tube; 3-a first mounting ring; 4-sealing the support sheet; 5-a second mounting ring; 6-embedding rings; 7-embedding an inner pipe; 8-a fixed ring; 9-sealing the rubber sleeve; 10-spoilers; 11-fixing pins; 12-mounting grooves; 13-locking the rack; 14-adjusting the guide plate; 15-lifting racks; 16-fixing the rotating shaft; 17-fixing bolts; 18-moving the trough.
Detailed Description
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: referring to fig. 1-4, the main components of the present case are: the first fixed pipe 1 and the second fixed pipe 2 are characterized in that the first fixed pipe 1 and the second fixed pipe 2 are connected through a supporting and sealing structure;
the supporting and sealing structure comprises: the device comprises a first mounting ring 3, a plurality of sealing support plates 4, a second mounting ring 5, an embedded ring 6, an embedded inner pipe 7, a pair of fixing rings 8, a sealing rubber sleeve 9, a pair of self-adjusting fixing components and a plurality of spoilers 10;
the first installing ring 3 is installed at the lower end of the first fixed pipe 1, the upper ends of the sealing support pieces 4 are installed on the first installing ring 3, the second installing ring 5 is installed at the lower ends of the sealing support pieces 4, the embedded ring 6 is installed on the lower wall surface of the second installing ring 5, the embedded inner pipe 7 is installed on the embedded ring 6, the embedded inner pipe 7 is inserted into the second fixed pipe 2 through the embedded ring 6, the pair of fixed rings 8 are installed on the outer wall surfaces of the first fixed pipe 1 and the second fixed pipe 2, the sealing rubber sleeve 9 is installed on the pair of fixed rings 8, the pair of self-adjusting fixed assemblies are installed on the second fixed pipe 2 and the embedded inner pipe 7, and the plurality of spoilers 10 are installed on the inner wall surface of the embedded inner pipe 7.
When the supporting and sealing structure is used, the first fixed pipe 1 and the second fixed pipe 2 connected through the supporting and sealing structure extend into the position where the oil production well pipeline is required to be plugged, the mined oil flows upwards, the embedded inner pipe 7 embedded in the second fixed pipe 2 is driven to move upwards through the spoiler 10, the embedded inner pipe 7 drives the second mounting ring 5 to move upwards through the embedded ring 6, the position of the first fixed pipe 1 is fixed, the sealing support pieces 4 are bent outwards to extend, and the sealing rubber sleeve 9 fixed through the pair of fixing rings 8 extends outwards to seal and plug.
In an embodiment, further, the sealing rubber sleeve 9 is mounted on the pair of fixing rings 8 by fixing pins 11.
In an embodiment, one of the pair of self-adjusting fastening assemblies further comprises: a mounting groove 12, a pair of locking racks 13, a pair of adjusting guide plates 14, and a lifting rack 15;
the mounting groove 12 is formed in the inner wall surface of the second fixed pipe 2, a pair of locking racks 13 are movably mounted in the mounting groove 12, a pair of adjusting guide plates 14 are mounted on the pair of locking racks 13, and a lifting rack 15 is mounted on the outer wall surface of the embedded inner pipe 7.
When the self-adjusting fixing assembly is used, petroleum flows to drive the embedded inner pipe 7 to lift through the flow blocking plate 10, the embedded inner pipe 7 drives the lifting rack 15 arranged on the embedded inner pipe through the fixing bolt 17 to lift upwards, meanwhile, the locking rack 13 arranged in the mounting groove 12 through the fixing rotating shaft 16 is driven by the adjusting guide plate 14 to rotate towards the middle to be clamped on the lifting rack 15, so that plugging is fixed, after petroleum exploitation is stopped, no guiding force is provided by the adjusting guide plate 14, the locking rack 13 is rotated outwards due to gravity from the center upwards, the locking with the lifting rack 15 is released, and plugging is released through elasticity of the sealing rubber sleeve 9.
In the specific implementation, further, a pair of locking racks 13 are mounted on a pair of adjusting guide plates 14 through a fixed rotating shaft 16.
In the specific implementation process, further, the lifting rack 15 is mounted on the embedded inner tube 7 through the fixing bolt 17.
In the specific implementation process, further, a moving groove 18 for moving the lifting rack 15 is formed on the second fixed tube 2.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A pressure resistant sealed petroleum packer comprising: the device is characterized in that the first fixed pipe (1) and the second fixed pipe (2) are connected through a supporting and sealing structure;
the supporting and sealing structure comprises: the device comprises a first mounting ring (3), a plurality of sealing support plates (4), a second mounting ring (5), an embedded ring (6), an embedded inner pipe (7), a pair of fixing rings (8), a sealing rubber sleeve (9), a pair of self-adjusting fixing components and a plurality of spoilers (10);
the first installing ring (3) is installed at the lower extreme of first fixed pipe (1), a plurality of sealed supporting plates (4) upper ends are installed on first installing ring (3), second installing ring (5) are installed at a plurality of sealed supporting plates (4) lower extreme, inlay and install on second installing ring (5) lower wall, inlay and install on inlay ring (6) inner tube (7), inlay and install inner tube (7) and insert in second fixed pipe (2) through inlay and install ring (6), a pair of fixed ring (8) are installed on the outer wall of first fixed pipe (1) and second fixed pipe (2), sealing rubber sleeve (9) are installed on a pair of fixed ring (8), a pair of self-adjusting fixed subassembly is installed on second fixed pipe (2) and inlay inner tube (7), a plurality of flow blocking plates (10) are installed on inlay inner tube (7) inner wall.
2. A compression-resistant sealed petroleum packer according to claim 1, characterised in that the sealing rubber sleeve (9) is mounted on a pair of fixing rings (8) by means of fixing pins (11).
3. The pressure resistant sealed petroleum packer of claim 1, wherein one of the pair of self-adjusting securement assemblies comprises: a mounting groove (12), a pair of locking racks (13), a pair of adjusting guide plates (14) and a lifting rack (15);
the mounting groove (12) is formed in the inner wall surface of the second fixed pipe (2), the pair of locking racks (13) are movably mounted in the mounting groove (12), the pair of adjusting guide plates (14) are mounted on the pair of locking racks (13), and the lifting racks (15) are mounted on the outer wall surface of the embedded inner pipe (7).
4. A pressure resistant sealed petroleum packer according to claim 3, characterised in that a pair of locking racks (13) are mounted on a pair of adjusting guide plates (14) by means of a fixed rotating shaft (16).
5. A pressure-resistant sealed petroleum packer according to claim 3, characterised in that the lifting rack (15) is mounted on the inner pipe (7) by means of a fixing bolt (17).
6. A pressure-resistant sealed petroleum packer according to claim 3, characterised in that the second stationary pipe (2) is provided with a movement groove (18) for movement of the lifting rack (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321998589.XU CN220645900U (en) | 2023-07-27 | 2023-07-27 | Compression-resistant sealing type petroleum packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321998589.XU CN220645900U (en) | 2023-07-27 | 2023-07-27 | Compression-resistant sealing type petroleum packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220645900U true CN220645900U (en) | 2024-03-22 |
Family
ID=90294387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321998589.XU Active CN220645900U (en) | 2023-07-27 | 2023-07-27 | Compression-resistant sealing type petroleum packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220645900U (en) |
-
2023
- 2023-07-27 CN CN202321998589.XU patent/CN220645900U/en active Active
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