CN215672123U

CN215672123U - Packer with packer rubber sleeve protection function

Info

Publication number: CN215672123U
Application number: CN202121182073.9U
Authority: CN
Inventors: 吴可新
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-01-28
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a packer with a packer rubber tube protection function, which comprises a central tube, wherein a first outer tube and a second outer tube are respectively sleeved on the central tube, a protection groove is arranged between the first outer tube and the second outer tube, a plurality of connecting arc rods are annularly arranged between the protection grooves at equal intervals, a uniform ring frame is fixed between the connecting arc rods and the central tube, annular tubes are jointly fixed between the ring frames, clamping seats are respectively embedded in the inner sides of the first outer tube and the second outer tube, and a plurality of connecting arc rods are fixedly clamped between the clamping seats. When the first outer cylinder and the second outer cylinder are subjected to frictional resistance, the first outer cylinder and the second outer cylinder are close to each other, the connecting arc rod, the ring frame and the annular cylinder are deformed and buffered, and are mutually supported to keep stability, so that the buffering performance and the stability between the first outer cylinder and the second outer cylinder are effectively ensured.

Description

Packer with packer rubber sleeve protection function

Technical Field

The utility model relates to the technical field of packers applied to oil fields in the well, in particular to a packer with a packer rubber cylinder protection function.

Background

The packer is an oil field downhole sealing tool, plays a role in sealing the annular space between an oil pipe and a casing pipe, is an indispensable downhole tool in oil field operations such as oil extraction, fracturing, acidification, water injection and the like, and the conventional packer generally adopts a hydraulic drive mode to promote a power part to generate compression force to axially move and compress a rubber sleeve so as to radially expand the rubber sleeve to achieve the purpose of sealing the annular space of an oil sleeve, or adopts a mechanical motion mode to press the rubber sleeve to expand to achieve the purpose of sealing the oil sleeve.

However, when the existing packer works, the buffer protection is difficult to provide in the longitudinal direction, and the rubber sleeve is short in protection and short in service life when in use. Accordingly, the present invention is directed to a packer having a packer rubber protection function to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a packer with a packer rubber sleeve protection function, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a packer with packer packing element protect function, includes the center tube, the cover is equipped with urceolus and No. two urceolus on the center tube respectively, is provided with the protection groove between urceolus and No. two urceolus, and equidistant annular is provided with a plurality of between the protection groove and connects the arc pole, connects to be fixed with between arc pole and the center tube and all encircles, is fixed with an annular section of thick bamboo between the ring frame jointly.

As a still further scheme of the utility model: the inner sides of the first outer barrel and the second outer barrel are respectively embedded with a clamping seat, and a plurality of connecting arc rods are fixedly clamped between the clamping seats.

As a still further scheme of the utility model: concave parts are formed in the inner walls of the first outer cylinder and the second outer cylinder.

As a still further scheme of the utility model: the inner side of the central tube is provided with a central channel, and both sides of the outer wall of the central tube are provided with convex parts which are in sliding clamping connection with the concave parts.

As a still further scheme of the utility model: rubber sleeves are fixedly sleeved on the periphery sides of the first outer cylinder and the second outer cylinder.

As a still further scheme of the utility model: the ring frame is of an oval structure, and the section of the ring cylinder is of a ring structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the first outer cylinder and the second outer cylinder are subjected to frictional resistance, the first outer cylinder and the second outer cylinder are close to each other, the connecting arc rod, the ring frame and the annular cylinder are deformed and buffered, and are mutually supported to keep stability, so that the buffering performance and the stability between the first outer cylinder and the second outer cylinder are effectively ensured.

2. The first outer cylinder and the second outer cylinder can buffer each other, so that the pressure of the rubber sleeve in the vertical friction is reduced, the side surface is squeezed, buffering and protection are provided, and the service life is prolonged.

Drawings

FIG. 1 is a schematic cross-sectional view of a packer with packer rubber protection.

FIG. 2 is a schematic top view of a connecting arc rod, a ring frame and an annular cylinder in a packer with a packer rubber cylinder protection function.

FIG. 3 is a schematic structural diagram of the front side of a partial connecting arc rod in a packer with a packer rubber sleeve protection function.

In the figure: 1. a central tube; 2. a rubber sleeve; 3. a first outer cylinder; 4. a clamping seat; 5. connecting the arc rod; 6. a ring frame; 7. a convex portion; 8. a recess; 9. a center lane; 10. an annular cylinder; 11. a protective groove; 12. and a second outer cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a packer having a packer rubber tube protection function includes a central tube 1, wherein a first outer tube 3 and a second outer tube 12 are respectively sleeved on the central tube 1, a protection groove 11 is disposed between the first outer tube 3 and the second outer tube 12, a plurality of connection arc rods 5 are annularly disposed between the protection grooves 11 at equal intervals, a uniform ring frame 6 is fixed between the connection arc rods 5 and the central tube 1, and a ring tube 10 is jointly fixed between the ring frames 6.

Further, No. 3 urceolus and No. two urceolus 12's inboard all inlays and is equipped with joint seat 4, and the fixed joint has a plurality of to connect arc pole 5 between joint seat 4, concave part 8 has all been seted up to the inner wall of an urceolus 3 and No. two urceolus 12.

Further, the inner side of the central tube 1 is provided with a central channel 9, two sides of the outer wall of the central tube 1 are respectively provided with a convex part 7, the convex parts 7 are in sliding clamping connection with the concave parts 8, the circumferential sides of the first outer tube 3 and the second outer tube 12 are respectively fixedly sleeved with a rubber sleeve 2, the ring frame 6 is of an oval structure, and the section of the ring tube 10 is of an annular structure.

Further, in the above-mentioned case,

specifically, a protection groove 11 is formed between a first outer cylinder 3 and a second outer cylinder 12, a plurality of connecting arc rods 5 are annularly arranged between the protection grooves 11 at equal intervals, a uniform ring frame 6 is fixed between each connecting arc rod 5 and the central pipe 1, a ring cylinder 10 is jointly fixed between the ring frames 6, each ring frame 6 is of an oval structure, the cross section of each ring cylinder 10 is of an annular structure, when the first outer cylinder 3 and the second outer cylinder 12 are subjected to friction resistance, the connecting arc rods 5, the ring frames 6 and the ring cylinders 10 can be close to each other, deformation buffering is carried out on the connecting arc rods 5, the ring frames 6 and the ring cylinders 10, and the connecting arc rods, the ring frames 6 and the ring cylinders 10 are supported with each other to keep stability, so that buffering performance and stability between the first outer cylinder 3 and the second outer cylinder 12 are effectively guaranteed.

The working principle of the utility model is as follows:

according to the utility model, the protection grooves 11 are arranged between the first outer cylinder 3 and the second outer cylinder 12, the protection grooves 11 are annularly provided with a plurality of connecting arc rods 5 at equal intervals, the uniform ring frames 6 are fixed between the connecting arc rods 5 and the central pipe 1, the ring frames 10 are jointly fixed between the ring frames 6, the ring frames 6 are of an elliptical structure, the cross sections of the ring frames 10 are of an annular structure, when the first outer cylinder 3 and the second outer cylinder 12 are subjected to friction resistance, the connecting arc rods 5, the ring frames 6 and the ring frames 10 are mutually close to each other, and are mutually supported and kept stable, so that the buffer performance and stability between the first outer cylinder 3 and the second outer cylinder 12 are effectively ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a packer with packer packing element protect function, includes center tube (1), its characterized in that, the cover is equipped with urceolus (3) and No. two urceolus (12) on center tube (1) respectively, is provided with between urceolus (3) and No. two urceolus (12) protection groove (11), and equidistant annular is provided with a plurality of between protection groove (11) and connects arc pole (5), connects and is fixed with equal ring frame (6) between arc pole (5) and center tube (1), is fixed with annular section of thick bamboo (10) between ring frame (6) jointly.

2. The packer with the packer rubber protection function according to claim 1, wherein clamping seats (4) are embedded in the inner sides of the first outer cylinder (3) and the second outer cylinder (12), and a plurality of connecting arc rods (5) are fixedly clamped between the clamping seats (4).

3. The packer with the packer rubber protection function according to claim 1, wherein the inner walls of the first outer cylinder (3) and the second outer cylinder (12) are provided with concave parts (8).

4. The packer with the packer rubber protection function according to claim 1, wherein a central channel (9) is arranged on the inner side of the central pipe (1), convex parts (7) are arranged on two sides of the outer wall of the central pipe (1), and the convex parts (7) are in sliding clamping connection with the concave parts (8).

5. The packer with the packer rubber protection function according to claim 1, wherein the rubber sleeve (2) is fixedly sleeved on the peripheral sides of the first outer cylinder (3) and the second outer cylinder (12).

6. A packer with packer rubber protection, according to claim 1, characterised in that the ring frame (6) is of an oval configuration and the cross-section of the ring barrel (10) is of an annular configuration.