CN211900545U - Compression packer capable of repeatedly setting - Google Patents
Compression packer capable of repeatedly setting Download PDFInfo
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- CN211900545U CN211900545U CN202020249675.0U CN202020249675U CN211900545U CN 211900545 U CN211900545 U CN 211900545U CN 202020249675 U CN202020249675 U CN 202020249675U CN 211900545 U CN211900545 U CN 211900545U
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Abstract
The utility model discloses a compression packer that can repeated seat and seal, concretely relates to oil recovery technical field, including the track center tube, the middle part of track center tube is equipped with centralizer, centralizer is including righting the seat, the bottom of righting the seat cup joints with the middle part activity of track center tube, a plurality of side notch, a plurality of is seted up in the outside of righting the seat the inboard equal activity of side notch is provided with righting the piece, the inboard upper portion of righting the seat is equipped with the ring. The utility model discloses a be equipped with track center tube, centralizer, taper sleeve, packing element, top connection and lower clutch, compare with prior art, be favorable to making the compression packer can repeat the setting, make the piece of rightting outwards remove through adopting the taper sleeve to push down the ring, with the mode that the tubular column inside wall compressed tightly for the operation of setting is comparatively simple, and the structure of centralizer is comparatively simple, convenient equipment, long service life when repeatedly setting.
Description
Technical Field
The utility model relates to an oil recovery technical field, more specifically say, the utility model relates to a compression packer that can repeated seat seal.
Background
The packer is provided with an elastic sealing element, and annular spaces between pipe columns and well bores and between pipe columns in various sizes are sealed by the elastic sealing element, the main element of the packer is a rubber tube, and the rubber tube is expanded to seal the annular spaces of an oil pipe and a sleeve under the action of water power or machinery, so that an upper oil layer and a lower oil layer are separated, and a certain construction purpose is achieved, wherein the compression packer has the characteristics of high pressure resistance and stable structure.
But the structure of current compression packer is comparatively complicated, and troublesome poeration, and the life when repeated setting is shorter, and the reliability is low.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a compression packer that can repeated setting, the utility model aims to solve the technical problem that: the existing compression packer has the disadvantages of complex structure and low reliability.
In order to achieve the above object, the utility model provides a following technical scheme: a compression packer capable of being repeatedly set comprises a track central pipe, wherein a centralizer is arranged at the middle part of the track central pipe and comprises a centralizing seat, the bottom end of the centralizing seat is movably sleeved with the middle part of the track central pipe, a plurality of side notches are formed in the outer side of the centralizing seat, centralizing blocks are movably arranged on the inner sides of the side notches, a circular ring is arranged on the upper part of the inner side of the centralizing seat, a plurality of springs are arranged below the circular ring, the two ends of the springs are fixedly connected with the bottom end of the circular ring and the lower wall of the inner side of the centralizing seat respectively, a plurality of connecting rods are arranged below the circular ring, the two ends of the connecting rods are hinged with the bottom end of the circular ring and the side walls of the plurality of centralizing blocks respectively, a sliding groove is formed in the lower part of the centralizing seat, the upper end of the sliding groove is detachably connected with the lower end of the centralizing seat through threads, sliding, the adapter sleeve has been cup jointed in the track center tube outside, the equal fixedly connected with slider in inside both sides of adapter sleeve, two the lateral wall of slider and the inside wall sliding connection of spout, the outside cover of track center tube is equipped with the taper sleeve that is located the centralizer top, a plurality of packing element section of thick bamboo has been cup jointed in the top activity of taper sleeve, the top connection has been cup jointed to the upper end of track center tube, the bottom of top connection and the upper surface laminating of the packing element section of thick bamboo of the top, the bottom of track center tube is equipped with the lower clutch, lower clutch and top connection all can be dismantled with the track center tube through the screw thread and be connected.
During the use, arrange this compression packer in the tubular column, highly lifting the track center tube earlier according to sitting to seal, when sitting to seal, transfer the track center tube, the slider slides in the inside of spout, and the taper sleeve also moves down, the taper sleeve promotes the ring downwards, ring extrusion spring and will right the outside extrusion of piece to the side notch through the connecting rod, thereby make and right the piece and compress tightly the inside wall of tubular column, at this in-process, the top connection is with packing element extrusion deformation, thereby make packing element and tubular column wall laminating, accomplish promptly and sit to seal, when the deblocking, lift the track center tube, make taper sleeve and ring break away from, because the effect of spring elasticity, upwards promote the ring, thereby make the ring pass through the connecting rod and drive the inboard removal of righting the piece to the side notch, packing element resumes deformation, thereby accomplish the deblocking, it is with sealing to sit to seal next time.
In a preferred embodiment, the middle part of the conical sleeve is fixedly connected with the central track pipe through a pin so as to fix the conical sleeve with the central track pipe.
In a preferred embodiment, one side of each of the plurality of the centering blocks is fixedly connected with a friction plate far away from one side of the centering seat, so that the stability between the centering block and the inner side wall of the pipe column is improved.
In a preferred embodiment, a separating ring is arranged between every two adjacent rubber cylinders, and the upper end and the lower end of the separating ring are respectively attached to the lower wall and the upper wall of each two rubber cylinders to separate the two believed rubber cylinders.
In a preferred embodiment, the middle part of the outer side of the rubber tube is provided with a ring groove, and the inner side of the ring groove is sleeved with a lantern ring, so that the rubber tube is encircled in the deformation process of the rubber tube.
In a preferred embodiment, the section of the collar is semicircular, so that the collar is smoothly contacted with the rubber sleeve.
In a preferred embodiment, an inclined plane is formed in the middle of the upper end of the rubber tube, a ring is integrally formed at the lower end of the upper joint and the lower end of the separation ring, and the bottom end of the ring is attached to the side wall of the inclined plane, so that when the rubber tube is pressed down by the upper joint, the rubber tube can be compressed by the ring and is stretched outwards.
In a preferred embodiment, the bottom end of the ring is rounded, so that the rubber tube is not scratched when the ring presses the rubber tube.
The utility model discloses a technological effect and advantage:
1. the utility model has the advantages that the track central tube, the centralizer, the conical sleeve, the rubber sleeve, the upper joint and the lower joint are arranged, compared with the prior art, the compression packer can be repeatedly set, the centralizer can move outwards by adopting the conical sleeve to press the circular ring, and the inner side wall of the tubular column is compressed, so that the setting operation is simpler, the structure of the centralizer is simpler, the assembly is convenient, and the service life is long when the setting is repeated;
2. the utility model discloses a be equipped with annular, the lantern ring, inclined plane, ring and fillet, compare with prior art, be favorable to preventing that a rubber section of thick bamboo from producing crowded bad and tearing, through the mode that makes the lantern ring live a rubber section of thick bamboo circle, simple structure, and comparatively stable, when extrudeing a rubber section of thick bamboo, outwards stretch again when can making a rubber section of thick bamboo compression, avoided a rubber section of thick bamboo only under single compression state, easily produced the phenomenon of crackle.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a cross-sectional view taken along line a-a of fig. 2 according to the present invention.
Fig. 4 is a partially enlarged view of the point B in fig. 3 according to the present invention.
Fig. 5 is a partial enlarged view of the point C in fig. 3 according to the present invention.
The reference signs are: the device comprises a track central tube 1, a centralizer 2, a centralizing seat 21, a side notch 22, a centralizing block 23, a ring 24, a spring 25, a connecting rod 26, a connecting sleeve 27, a sliding chute 28, a sliding block 29, a conical sleeve 3, a rubber sleeve 4, an upper joint 5, a lower joint 51, a friction plate 6, a separating ring 7, an annular groove 8, a lantern ring 81, an inclined plane 9, a ring 91 and a fillet 100.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a compression packer that can set repeatedly, including track center tube 1, the middle part of track center tube 1 is equipped with centralizer 2, centralizer 2 is including righting seat 21, the bottom of righting seat 21 is cup jointed with the middle part activity of track center tube 1, the outside of righting seat 21 is seted up a plurality of side notch 22, a plurality of the inboard of side notch 22 is all movable to be provided with righting piece 23, the upper portion of righting seat 21 inboard is equipped with ring 24, the below of ring 24 is equipped with a plurality of spring 25, a plurality of the both ends of spring 25 respectively with the bottom of ring 24 and the lower wall fixed connection of righting seat 21 inboard, the below of ring 24 is equipped with a plurality of connecting rod 26, a plurality of the both ends of connecting rod 26 respectively with the bottom of ring 24 and the lateral wall of a plurality of righting piece 23 hinge joint, the below of righting seat 21 is equipped with spout 28, the upper end of spout 28 can be dismantled with the lower extreme of righting seat 21 through the screw thread and be connected, spout 28 has all been seted up to the both sides at 1 middle part of track center tube, adapter sleeve 27 has been cup jointed in the 1 outside of track center tube, the equal fixedly connected with slider 29 in both sides of adapter sleeve 27 inside, two the lateral wall of slider 29 and the inside wall sliding connection of spout 28, the outside cover of track center tube 1 is equipped with the taper sleeve 3 that is located righting ware 2 top, a plurality of packing element 4 has been cup jointed in the top activity of taper sleeve 3, top connection 5 has been cup jointed to the upper end of track center tube 1, the bottom of top connection 5 and the laminating of the upper surface of the packing element 4 of the top, the bottom of center tube track 1 is equipped with lower clutch 51, lower clutch 51 and top connection 5 all can be dismantled with track center tube 1 through the.
The middle part of the conical sleeve 3 is fixedly connected with the track central tube 1 through a pin.
One side of each of the plurality of righting blocks 23 is fixedly connected with a friction plate 6 far away from one side of the righting seat 21.
And separating rings 7 are arranged between every two adjacent rubber cylinders 4, and the upper ends and the lower ends of the separating rings 7 are respectively attached to the lower walls and the upper walls of the two rubber cylinders 4.
As shown in fig. 1 to 5, the embodiment specifically is: when the compression packer is used, the compression packer is placed in a pipe column, the track central pipe 1 is lifted firstly according to the setting height, when the compression packer is set, the track central pipe 1 is lowered, the sliding block 29 slides in the sliding groove 28, the conical sleeve 3 moves downwards, the conical sleeve 3 is in contact with the middle of the circular ring 24 and pushes the circular ring 24 downwards, the circular ring 24 extrudes the spring 25 and extrudes the centering block 23 to the outer side of the side notch 22 through the connecting rod 26, so that the centering block 23 compresses the inner side wall of the pipe column, in the process, the upper joint 5 extrudes and deforms the rubber sleeve 4, so that the rubber sleeve 4 is attached to the wall of the pipe column, namely, the setting is completed, when the compression packer is unpacked, the track central pipe 1 is lifted, the conical sleeve 3 is separated from the circular ring 24, the circular ring 24 is pushed upwards due to the elastic force of the spring 25, so that the circular ring 24 drives the centering block 23 to move to the inner side notch 22 through the connecting rod, deformation is resumeed to packing element 4, thereby accomplish the deblocking, next time sit to seal with sealing the same reason, be favorable to making the compression packer can the repeated setting promptly, through adopting 3 rings of pushing down of taper sleeve to make 23 outside removals of piece of rightting, the mode that compresses tightly the tubular column inside wall, make the operation of sitting to seal comparatively simple, and centralizer 2's structure is comparatively simple, convenient equipment, long service life when repeatedly sitting to seal, the structure that current compression packer had specifically been solved to this embodiment is comparatively complicated, and troublesome poeration, and the life when repeatedly sitting to seal is shorter, the problem of low reliability.
The middle part of the outer side of the rubber barrel 4 is provided with a ring groove 8, and the inner side of the ring groove 8 is sleeved with a lantern ring 81.
The cross section of the collar 81 is semicircular.
The middle part of the upper end of the rubber tube 4 is provided with an inclined plane 9, the lower end of the upper joint 5 and the lower end of the separation ring 7 are integrally formed with a ring 91, and the bottom end of the ring 91 is attached to the side wall of the inclined plane 9.
The bottom end of the ring 91 is provided with a round corner 100.
As shown in fig. 3 and 5, the embodiment specifically includes: the upper joint 5 downwards extrudes the rubber tube 4 to enable the rubber tube 4 to deform to be attached to the inner side wall of the pipe column, the rubber tube 4 is encircled by the annular groove 8 and the lantern ring 81 in the deformation process of the rubber tube 4 to prevent the rubber tube 4 from being extruded and torn under frequent and long-term use and high-temperature and high-pressure states, the lantern ring 81 is semicircular to enable the lantern ring 81 to be smoothly contacted with the rubber tube 4, the inclined plane 9 and the annular ring 91 are arranged to enable the upper joint 5 to enable the rubber tube 4 to be compressed and outwards stretched through the annular ring 91 when the rubber tube 4 is pressed down by the upper joint 5, so that cracks are easily generated on the rubber tube 4 in a single compression state are avoided, the rubber tube 4 cannot be scratched when the rubber tube 4 is extruded by the annular ring 91 through the arrangement of the round angle 100, namely, the rubber tube 4 is prevented from being extruded and torn, and the lantern ring 81 is used for encircling the rubber tube 4, simple structure, and comparatively stable, when extruding a rubber tube 4, can make rubber tube 4 compression when outwards stretching again, avoided a rubber tube 4 only under single compression state, the phenomenon of easy crackle has specifically been solved to this embodiment's rubber tube that compression packer at the during operation, easily receives the high-pressure influence of high temperature and produces the deformation, extrudes badly easily and torn problem.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 in the specification, during setting, the track central tube 1 is lowered, the sliding block 29 slides in the sliding groove 28, the conical sleeve 3 pushes the ring 24 downwards, the ring 24 pushes the spring 25 and pushes the centering block 23 to the outer side of the side notch 22 through the connecting rod 26, so that the centering block 23 compresses the inner side wall of the tubular column, in the process, the upper connector 5 pushes and deforms the rubber tube 4, so that the rubber tube 4 is attached to the tubular column wall, namely setting is completed, during deblocking, the track central tube 1 is lifted upwards, so that the conical sleeve 3 is separated from the ring 24, the spring 25 pushes the ring 24 upwards, so that the ring 24 drives the centering block 23 to move towards the inner side of the side notch 22 through the connecting rod 26, and the rubber tube 4 recovers deformation, so that deblocking is completed.
Further, referring to the attached drawings 3 and 5 in the specification, the top connector 5 downwardly extrudes the rubber tube 4 to enable the rubber tube 4 to deform to fit with the inner side wall of the tubular column, and the annular groove 8 and the lantern ring 81 are arranged to enable the rubber tube 4 to be enclosed in the deformation process of the rubber tube 4, and the inclined surface 9 and the annular ring 91 are arranged to enable the top connector 5 to compress the rubber tube 4 and simultaneously outwardly stretch when the rubber tube 4 is pressed down.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a compression packer that can set repeatedly, includes track center tube (1), its characterized in that: the middle part of the track central pipe (1) is provided with a centralizer (2), the centralizer (2) comprises a centralizing seat (21), the bottom end of the centralizing seat (21) is movably sleeved with the middle part of the track central pipe (1), the outer side of the centralizing seat (21) is provided with a plurality of side notches (22), the inner sides of the side notches (22) are movably provided with centralizing blocks (23), the upper part of the inner side of the centralizing seat (21) is provided with a circular ring (24), a plurality of springs (25) are arranged below the circular ring (24), two ends of the springs (25) are respectively fixedly connected with the bottom end of the circular ring (24) and the lower wall of the inner side of the centralizing seat (21), a plurality of connecting rods (26) are arranged below the circular ring (24), two ends of the connecting rods (26) are respectively hinged with the bottom end of the circular ring (24) and the side walls of the plurality of the centralizing blocks (23), the track centering device is characterized in that a sliding groove (28) is arranged below the centering seat (21), the upper end of the sliding groove (28) is detachably connected with the lower end of the centering seat (21) through threads, the sliding grooves (28) are respectively formed in the two sides of the middle part of the track central tube (1), a connecting sleeve (27) is sleeved on the outer side of the track central tube (1), sliding blocks (29) are respectively fixedly connected with the two sides of the inner part of the connecting sleeve (27), the outer side walls of the two sliding blocks (29) are slidably connected with the inner side wall of the sliding groove (28), a conical sleeve (3) positioned above the centering device (2) is sleeved on the outer side of the track central tube (1), a plurality of rubber tubes (4) are movably sleeved on the upper part of the conical sleeve (3), an upper joint (5) is sleeved on the upper end of the track central tube (1), and the bottom end of the upper joint (5, the bottom of track center tube (1) is equipped with lower clutch (51), lower clutch (51) and top connection (5) all can be dismantled with track center tube (1) through the screw thread and be connected.
2. A re-settable compression packer according to claim 1, wherein: the middle part of the conical sleeve (3) is fixedly connected with the track central pipe (1) through a pin.
3. A re-settable compression packer according to claim 1, wherein: one side of each of the plurality of righting blocks (23) is fixedly connected with a friction plate (6) far away from one side of the righting seat (21).
4. A re-settable compression packer according to claim 1, wherein: and a separating ring (7) is arranged between every two adjacent rubber cylinders (4), and the upper end and the lower end of the separating ring (7) are respectively attached to the lower wall and the upper wall of each of the two rubber cylinders (4).
5. A re-settable compression packer according to claim 1, wherein: an annular groove (8) is formed in the middle of the outer side of the rubber barrel (4), and a lantern ring (81) is sleeved on the inner side of the annular groove (8).
6. A re-settable compression packer according to claim 5, wherein: the section of the lantern ring (81) is semicircular.
7. A re-settable compression packer according to claim 4, wherein: an inclined plane (9) is formed in the middle of the upper end of the rubber barrel (4), a ring (91) is integrally formed at the lower end of the upper joint (5) and the lower end of the separating ring (7), and the bottom end of the ring (91) is attached to the side wall of the inclined plane (9).
8. A re-settable compression packer according to claim 7, wherein: the bottom end of the ring (91) is provided with a round corner (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249675.0U CN211900545U (en) | 2020-03-04 | 2020-03-04 | Compression packer capable of repeatedly setting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249675.0U CN211900545U (en) | 2020-03-04 | 2020-03-04 | Compression packer capable of repeatedly setting |
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| Publication Number | Publication Date |
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| CN211900545U true CN211900545U (en) | 2020-11-10 |
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| CN202020249675.0U Active CN211900545U (en) | 2020-03-04 | 2020-03-04 | Compression packer capable of repeatedly setting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116084879A (en) * | 2023-04-10 | 2023-05-09 | 胜利油田利丰稠油技术开发有限公司 | Tail pipe suspension packer with anti-impact function for well cementation |
-
2020
- 2020-03-04 CN CN202020249675.0U patent/CN211900545U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116084879A (en) * | 2023-04-10 | 2023-05-09 | 胜利油田利丰稠油技术开发有限公司 | Tail pipe suspension packer with anti-impact function for well cementation |
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