CN212958551U

CN212958551U - Packer with reliable performance and good sealing effect

Info

Publication number: CN212958551U
Application number: CN202021869731.7U
Authority: CN
Inventors: 陈雷; 李运河; 陈当高; 曹钦艳; 李国霞; 殷翔芝
Original assignee: Jiangsu Ke Feng Petrochemical Machinery Co ltd
Current assignee: Jiangsu Ke Feng Petrochemical Machinery Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-13
Anticipated expiration: 2030-08-26

Abstract

The utility model belongs to the technical field of the packer, especially, be a packer that dependable performance and sealed effectual, including packer body and packing element, the first connector of both ends difference fixedly connected with and the second connector of packer body, the passageway cavity has been seted up to the inner wall of packer body, the middle part fixedly connected with center tube of packer body, the fixed surface of center tube connects the packing element, the adjustment tank has been seted up to the inner wall of packing element, the inner wall fixedly connected with locating plate of adjustment tank. The utility model discloses an adjusting device of adjustment tank, under the cooperation of push pedal and rubber pad for carry out accurate fixed when using between to center tube and the packing element, thereby improve packing element and this body coupling leakproofness of packer, through the use of fixed slot and solid fixed ring, and then the retainer plate can compress tightly the packing element, further improves packing element and this body coupling leakproofness of packer.

Description

Packer with reliable performance and good sealing effect

Technical Field

The utility model relates to a packer technical field specifically is a packer that dependable performance and sealed effectual.

Background

The packer is provided with an elastic sealing element, and is used for sealing annular spaces between pipe columns with various sizes and well bores and between the pipe columns and isolating a producing zone so as to control production (injection) liquid and protect a downhole tool of a casing pipe so as to seal an annular space between the outside of the casing pipe and the well bore to form a permanent bridge plug and prevent formation oil, gas and water from channeling upwards due to cement solidification loss in a well cementation process.

The existing packer with reliable performance and good sealing effect still has the following problems:

1. most of the packers with reliable performance and good sealing effect in the market are used, and the central pipe and the rubber cylinder cannot be precisely fixed, so that the connection sealing property of the rubber cylinder and the packer body is reduced;

2. the surface of the existing packer can cause collision or abrasion in the moving process, so that the packer can cause damage under the condition of long-term use, and the service life of the packer is further reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a packer that reliable performance and sealed effectual has solved between center tube and the packing element can not accurate fixed, and the packer can cause the problem of damage under long-term in service behavior.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a packer that reliable performance and sealed effectual, includes packer body and packing element, the both ends difference fixedly connected with first connector and the second connector of packer body, the passageway cavity has been seted up to the inner wall of packer body, the middle part fixedly connected with center tube of packer body, the fixed surface of center tube connects the packing element, the adjustment tank has been seted up to the inner wall of packing element, the inner wall fixedly connected with locating plate of adjustment tank, the fixed surface of locating plate is connected with adjusting device, adjusting device's one end fixedly connected with push pedal, the fixed surface of push pedal is connected with the rubber pad.

As the utility model discloses an optimal technical scheme, the fixed surface of packer body is connected with the buffer layer, the fixed surface of buffer layer is connected with the heat preservation, the fixed surface of heat preservation is connected with the ultra high molecular polyethylene wearing layer.

As a preferred technical scheme of the utility model, adjusting device is including adjusting a section of thick bamboo, the one end fixed connection locating plate of adjusting a section of thick bamboo, the inner wall fixedly connected with adjusting spring of adjusting a section of thick bamboo, adjusting spring's one end fixedly connected with sliding block.

As a preferred technical scheme of the utility model, the fixed surface of sliding block is connected with adjusts the pole, adjust the one end fixed connection push pedal of pole, adjust the inner wall sliding connection of pole and regulation section of thick bamboo.

As an optimal technical scheme of the utility model, the fixed slot has been seted up on the surface of packing element, the surface mounting of fixed slot has solid fixed ring.

As a preferred technical scheme of the utility model, solid fixed ring's one end fixedly connected with fixation nut, solid fixed ring's the other end has fixing bolt through threaded connection, fixing bolt's size and fixation nut looks adaptation.

(III) advantageous effects

Compared with the prior art, the utility model provides a packer that dependable performance and sealed effectual possesses following beneficial effect:

1. this packer that dependable performance and sealed effectual, through the adjusting device of adjustment tank, under the cooperation of push pedal and rubber pad for carry out accurate fixed when using between to center tube and the packing element, thereby improve packing element and this body coupling leakproofness of packer, through the use of fixed slot and solid fixed ring, and then the retainer plate can compress tightly the packing element, further improves packing element and this body coupling leakproofness of packer.

2. This packer that dependable performance and sealed effectual through making the packer reduce the surface in the removal in-process and cause collision or wearing and tearing, avoids the packer can not cause the damage under long-term service conditions, and then has improved the life of packer.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the structure of the adjusting groove of the present invention;

FIG. 3 is a schematic view of the protection mechanism of the present invention;

fig. 4 is a schematic structural diagram of the adjusting device of the present invention.

In the figure: 1. a packer body; 2. a rubber cylinder; 3. a central tube; 4. an adjustment groove; 5. positioning a plate; 6. an adjustment device; 601. an adjusting cylinder; 602. adjusting the spring; 603. a slider; 604. adjusting a rod; 7. pushing the plate; 8. a rubber pad; 9. a buffer layer; 10. a heat-insulating layer; 11. an ultra-high molecular weight polyethylene wear layer; 12. fixing grooves; 13. a fixing ring; 14. fixing a nut; 15. fixing the bolt; 16. a channel cavity; 17. a first connector; 18. a second connector.

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.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a packer that dependable performance and sealed effectual, including packer body 1 and packing element 2, the both ends difference fixedly connected with first connector 17 and second connector 18 of packer body 1, channel cavity 16 has been seted up to the inner wall of packer body 1, the middle part fixedly connected with center tube 3 of packer body 1, the fixed surface of center tube 3 connects packing element 2, adjustment tank 4 has been seted up to the inner wall of packing element 2, the inner wall fixedly connected with locating plate 5 of adjustment tank 4, the fixed surface of locating plate 5 is connected with adjusting device 6, adjusting device 6's one end fixedly connected with push pedal 7, the fixed surface of push pedal 7 is connected with the rubber pad 8.

In this embodiment, through adjusting device 6 of adjustment tank 4, under the cooperation of push pedal 7 and rubber pad 8 for carry out accurate fixed between center tube 3 and packing element 2, thereby improve packing element 2 and packer body 1 and be connected the leakproofness.

Specifically, the fixed surface of packer body 1 is connected with buffer layer 9, and the fixed surface of buffer layer 9 is connected with heat preservation 10, and the fixed surface of heat preservation 10 is connected with ultra high molecular polyethylene wearing layer 11.

In this embodiment, through buffer layer 9 and heat preservation 10 and the ultra high molecular polyethylene wearing layer 11 that sets up, and then make can effectual protection packer body 1, improve life.

Specifically, the adjusting device 6 includes an adjusting cylinder 601, one end of the adjusting cylinder 601 is fixedly connected to the positioning plate 5, an inner wall of the adjusting cylinder 601 is fixedly connected to an adjusting spring 602, and one end of the adjusting spring 602 is fixedly connected to a sliding block 603.

In this embodiment, the sliding block 603 can be pushed smoothly to move upward in the adjusting cylinder 601 by the adjusting spring 602 on the inner wall of the adjusting cylinder 601.

Specifically, the surface of the sliding block 603 is fixedly connected with an adjusting rod 604, one end of the adjusting rod 604 is fixedly connected with the push plate 7, and the adjusting rod 604 is slidably connected with the inner wall of the adjusting cylinder 601.

In this embodiment, the adjusting rod 604 is slidably connected to the inner wall of the adjusting cylinder 601, so that the resetting and fixing can be automatically performed.

Specifically, the surface of the rubber cylinder 2 is provided with a fixing groove 12, and the surface of the fixing groove 12 is provided with a fixing ring 13.

In this embodiment, the fixing groove 12 is formed in the surface of the packing element 2, so that the packing element 2 is convenient to fix with the central tube 3.

Specifically, one end of the fixing ring 13 is fixedly connected with a fixing nut 14, the other end of the fixing ring 13 is connected with a fixing bolt 15 through threads, and the size of the fixing bolt 15 is matched with that of the fixing nut 14.

In this embodiment, the fixing bolt 15 and the fixing nut 14 are adapted to each other, so that the rubber tube 2 and the center tube 3 can be quickly butted and fixed.

The utility model discloses a theory of operation and use flow: in the using process, the adjusting device 6 comprises the self elasticity of the adjusting spring 602, the adjusting spring 602 can stably push the sliding block 603 to move forwards in the adjusting cylinder 601, and further push the push plate 7 connected with the adjusting rod 604 to move forwards, so that the front side inner wall of the central tube 3 is extruded, the inner wall of the rubber cylinder 2 is more tightly attached to the central tube 3 of the packer body 1, the connection sealing performance of the rubber cylinder 2 and the packer body 1 is improved, the fixed ring 13 is clamped on the surface of the fixed groove 12, the fixed ring is fixed inside the fixed nut 14 by twisting the fixed bolt 15, so that the rubber cylinder 2 and the central tube 3 are compressed, the rubber cylinder 2 is further connected with the packer body 1, the first connector 17 and the second connector 18 are used, the butt joint is convenient, the use through the channel cavity 16 is used, and the conveying is carried out, through the rebound that makes progress of buffer layer 9 self for packer body 1 when receiving the collision, can reduce the impact force that causes packer body 1 when colliding, has prolonged packer body 1's life, through the setting of heat preservation 10, can play the thermal-insulated effect of heat preservation to packer body 1, has improved packer body 1 wear-resisting effect through setting up of super high molecular polyethylene wearing layer 11, has prolonged packer body 1's life, has reached the good purpose of protecting effect promptly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a packer that reliable performance and sealed effectual, includes packer body (1) and packing element (2), its characterized in that: the packer is characterized in that the two ends of the packer body (1) are respectively fixedly connected with a first connector (17) and a second connector (18), a channel cavity (16) is formed in the inner wall of the packer body (1), the middle of the packer body (1) is fixedly connected with a center tube (3), the surface of the center tube (3) is fixedly connected with a rubber sleeve (2), an adjusting groove (4) is formed in the inner wall of the rubber sleeve (2), the inner wall of the adjusting groove (4) is fixedly connected with a positioning plate (5), the surface of the positioning plate (5) is fixedly connected with an adjusting device (6), one end of the adjusting device (6) is fixedly connected with a push plate (7), and the surface of the push plate (7) is fixedly connected with a rubber pad (.

2. The packer of claim 1, wherein the packer has a reliable performance and a good sealing effect, and is characterized in that: the packer is characterized in that the surface of the packer body (1) is fixedly connected with a buffer layer (9), the surface of the buffer layer (9) is fixedly connected with a heat-insulating layer (10), and the surface of the heat-insulating layer (10) is fixedly connected with an ultra-high molecular polyethylene wear-resistant layer (11).

3. The packer of claim 1, wherein the packer has a reliable performance and a good sealing effect, and is characterized in that: adjusting device (6) is including adjusting a section of thick bamboo (601), the one end fixed connection locating plate (5) of adjusting a section of thick bamboo (601), the inner wall fixedly connected with adjusting spring (602) of adjusting a section of thick bamboo (601), the one end fixedly connected with sliding block (603) of adjusting spring (602).

4. The packer of claim 3, wherein the packer has a reliable performance and a good sealing effect, and is characterized in that: the surface of the sliding block (603) is fixedly connected with an adjusting rod (604), one end of the adjusting rod (604) is fixedly connected with a push plate (7), and the adjusting rod (604) is connected with the inner wall of the adjusting cylinder (601) in a sliding mode.

5. The packer of claim 1, wherein the packer has a reliable performance and a good sealing effect, and is characterized in that: the surface of the rubber cylinder (2) is provided with a fixing groove (12), and the surface of the fixing groove (12) is provided with a fixing ring (13).

6. The packer of claim 5, wherein the packer has a reliable performance and a good sealing effect, and is characterized in that: the one end fixedly connected with fixation nut (14) of solid fixed ring (13), the other end of solid fixed ring (13) has fixing bolt (15) through threaded connection, fixing bolt (15)'s size and fixation nut (14) looks adaptation.