CN219492260U

CN219492260U - Expansion packer

Info

Publication number: CN219492260U
Application number: CN202320846069.0U
Authority: CN
Inventors: 王霞; 石雅茹
Original assignee: Sichuan Deruite Energy Technology Co ltd
Current assignee: Sichuan Deruite Energy Technology Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-08-08
Anticipated expiration: 2033-04-17

Abstract

The utility model relates to the technical field of expansion type packing, and discloses an expansion type packer, which comprises a packer device and is characterized in that: the utility model is characterized in that a damping cylinder device is movably connected in the middle of the outer wall surface of the packer device, a protective rubber cylinder device is movably connected to the outer wall surface of the damping cylinder device, limiting devices are movably connected to the two sides, close to the protective rubber cylinder device, of the outer wall surface of the damping cylinder device, sealing glue is fixedly connected to the two sides, close to the damping cylinder device, of the packer device, an upper joint is movably connected to one side, close to the damping cylinder device, of the outer wall surface of the packer device, a lower joint is movably connected to the other side, close to the damping cylinder device, of the packer device, and the packer device comprises a packer main body.

Description

Expansion packer

Technical Field

The utility model relates to the technical field of expanding packing, in particular to an expanding packer.

Background

The downhole tool is connected to the underground pipe column and used for sealing the annular space between the oil pipe and the oil and gas well casing or the open hole wall, when the annular space between the oil pipe and the oil and gas well casing or the open hole wall is required to be sealed, the packer is connected to the underground pipe column, and after the packer is lowered to the designed depth, the sealing part on the packer is expanded to seal the annular space of the oil and gas well casing through hydraulic driving and other modes. Different types of packers are activated and deactivated in different ways.

The existing expanding type packer in the market is insufficient, 1, the existing expanding type packer is mostly exposed, abrasion and corrosion can occur after long-term use, the damage to the packer is easy to cause, the service life of the packer is greatly reduced, 2, the existing expanding type packer is complex to operate during installation, and the convenience of installation and fixation is greatly reduced.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides an expanding packer to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides an expansion packer, includes packer device 1, swing joint has damper cylinder device 2 in the middle of the outer wall surface of packer device 1, the outer wall surface swing joint of damper cylinder device 2 has protection packing element device 3, the outer wall surface of damper cylinder device 2 is close to the equal swing joint in both sides of protection packing element device 3 and has stop device 4, the equal fixedly connected with seal gum 5 in both sides that packer device 1 is close to damper cylinder device 2, one side swing joint that packer device 1's outer wall surface is close to damper cylinder device 2 has upper joint 6, the opposite side swing joint that packer device 1's outer wall surface is close to damper cylinder device 2 has lower joint 7, simple structure, the installation of being convenient for.

Further, the packer device 1 comprises a packer main body 101, a plurality of triangular grooves 102 are formed in the top of the outer wall of the packer main body 101 and the bottom of the outer wall of the packer main body at equal intervals, a circular oil guide pipe is formed in the middle of one side of the packer main body 101, and the triangular grooves 102 are convenient for connecting and clamping triangular blocks 204.

Further, the damper cylinder device 2 includes a damper cylinder main body 201, bolt grooves 202 are formed at two ends of an outer wall of the damper cylinder main body 201, a plurality of square small holes are formed in an inner wall top and an inner wall bottom of the damper cylinder main body 201 in an equal-distance arrangement mode, springs 203 are arranged in the square small holes in the inner wall top and the inner wall bottom of the damper cylinder main body 201 in an equal-distance arrangement mode, bottoms of the springs 203 are fixedly connected with bottoms of inner cavities of the square small holes of the damper cylinder main body 201, triangular blocks 204 are fixedly connected to tops of the springs 203, and the springs 203 are convenient to contract the triangular blocks 204.

Further, the bottom of each triangular block 204 is movably connected with a plurality of triangular grooves 102 arranged on the outer wall of the packer body 101 at equal intervals.

Further, the protection rubber cylinder device 3 comprises a protection rubber cylinder main body 301, both sides of the protection rubber cylinder main body 301 are fixedly connected with side rings 302, and the protection rubber cylinder main body 301 is prevented from damaging the outer wall of the device.

Further, the limiting device 4 includes a limiting body 401, threads 402 are formed on an inner wall surface of the limiting body 401, and a plurality of friction grooves 403 are formed on an outer wall surface of the limiting body 401, so that the limiting device 4 can avoid displacement of the protective rubber cylinder body 301.

Further, the damper cylinder device 2 is made of corrosion-resistant metal, and the damper cylinder device 2 is made of oxidation-resistant and corrosion-resistant metal.

The utility model has the technical effects and advantages that:

the protective rubber cylinder main body is arranged, so that abrasion and corrosion of the outer wall of the device are avoided, and the service life of the device is greatly prolonged.

The damping cylinder device is beneficial to simple structure and improves the convenience of installation and fixation.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional view of the whole structure of the present utility model.

FIG. 3 is a schematic cross-sectional view of the main structure of the packer of the utility model.

Fig. 4 is a schematic structural diagram of the protective rubber cylinder device of the present utility model.

Fig. 5 is a schematic structural view of a positioning device according to the present utility model.

FIG. 6 is a schematic cross-sectional view of a damper cylinder assembly according to the present utility model.

The reference numerals are: 1. a packer device; 101. a packer body; 102. triangular grooves; 2. a damper cylinder device; 201. a damper cylinder main body; 202. a bolt groove; 203. a spring; 204. triangular blocks; 3. protecting the rubber cylinder device; 301. a protective rubber cylinder main body; 302. an edge ring; 4. a limiting device; 401. a limit body; 402. a thread; 403. a friction groove; 5. sealing glue; 6. an upper joint; 7. and a lower joint.

Detailed Description

The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of the present utility model.

Referring to fig. 1-6, the utility model provides an expansion packer, which comprises a packer device 1, wherein a damper cylinder device 2 is movably connected in the middle of the outer wall surface of the packer device 1, a protection rubber cylinder device 3 is movably connected on the outer wall surface of the damper cylinder device 2, a limiting device 4 is movably connected on both sides of the outer wall surface of the damper cylinder device 2, sealing glue 5 is fixedly connected on both sides of the packer device 1, which are close to the damper cylinder device 2, an upper joint 6 is movably connected on one side of the outer wall surface of the packer device 1, which is close to the damper cylinder device 2, and a lower joint 7 is movably connected on the other side of the outer wall surface of the packer device 1, which is close to the damper cylinder device 2.

In a preferred embodiment, the packer device 1 includes a packer main body 101, a plurality of triangular grooves 102 are formed in the top of the outer wall and the bottom of the outer wall of the packer main body 101 at equal intervals, a circular oil guide pipe is formed in the middle of one side of the packer main body 101, and the triangular grooves 102 are convenient for connecting and clamping triangular blocks 204.

In a preferred embodiment, the damper device 2 includes a damper main body 201, bolt grooves 202 are formed at two ends of an outer wall of the damper main body 201, a plurality of square small holes are formed at equal intervals on the top of an inner wall and the bottom of the inner wall of the damper main body 201, springs 203 are arranged in the square small holes at equal intervals on the top of the inner wall and the bottom of the inner wall of the damper main body 201, the bottoms of the springs 203 are fixedly connected with the bottoms of the inner cavities of the square small holes of the damper main body 201, triangular blocks 204 are fixedly connected to the tops of the springs 203, and the springs 203 are convenient for the triangular blocks 204 to contract.

In a preferred embodiment, the bottom of each triangular block 204 is movably connected with a plurality of triangular grooves 102 arranged at equal intervals on the outer wall of the main packer body 101.

In a preferred embodiment, the protective rubber device 3 includes a protective rubber main body 301, two sides of the protective rubber main body 301 are fixedly connected with edge rings 302, and the protective rubber main body 301 is prevented from damaging the outer wall of the device.

In a preferred embodiment, the limiting device 4 includes a limiting body 401, a thread 402 is formed on an inner wall surface of the limiting body 401, and a plurality of friction grooves 403 are formed on an outer wall surface of the limiting body 401.

In a preferred embodiment, the damper cylinder device (2) is made of a corrosion-resistant metal, and the damper cylinder device (2) is made of an oxidation-resistant and corrosion-resistant metal.

The working principle of the utility model is as follows:

when using the expansion packer, firstly, can carry the oil in the oil well through the middle circular oil pipe of one side of packer main part 101, damper device 2 adopts the material to be corrosion-resistant metal, can effectually avoid the outer wall of this device to be worn and corroded through damper device 2, the inside and the contact of water of damper device 2 are further kept off through seal glue 5, effectual reinforcing corrosion resistance's performance, guarantee its good efficiency, a plurality of springs 203 that are equipped with on damper device 201 inner wall top and the bottom, all have triangular block 204 on every spring 203, can block triangular block 204 in the triangular groove 102 of packer device 1, the packer device 1 can promote triangular block 204 when passing through the inside of damper device main part 201, triangular block 204 can extrude spring 203 and make it shrink, be convenient for connect packer device 1 through damper device 2, effectively improve the fastness that packer device 1 and damper device 2 are connected, damper device 201 effectively reduces the damage rate that external vibrations caused packer device 1, afterwards, cup joint protection device 3 on the inner wall of a plurality of thread devices 2 on the side of a plurality of limit devices 4 on the expansion device, the life-span of the expansion device is greatly limited in the recess of the main part 3, the life-span of the expansion device is greatly limited at the two ends of the expansion device is greatly limited at the 4, the life-span of the expansion device is greatly limited at the two ends of the expansion device 3, the life-stop device is greatly has been used for 4.

Claims

1. An expanding packer comprising a packer device (1), characterized in that: the novel rubber packer is characterized in that a damping cylinder device (2) is movably connected in the middle of the outer wall surface of the packer device (1), a protection rubber cylinder device (3) is movably connected to the outer wall surface of the damping cylinder device (2), a limiting device (4) is movably connected to the two sides, close to the protection rubber cylinder device (3), of the outer wall surface of the damping cylinder device (2), sealing glue (5) is fixedly connected to the two sides, close to the damping cylinder device (2), of the packer device (1), an upper joint (6) is movably connected to one side, close to the damping cylinder device (2), of the outer wall surface of the packer device (1), and a lower joint (7) is movably connected to the other side, close to the damping cylinder device (2), of the outer wall surface of the packer device (1).

2. The inflatable packer of claim 1, wherein: the packer device (1) comprises a packer main body (101), wherein a plurality of triangular grooves (102) are formed in the top of the outer wall of the packer main body (101) and the bottom of the outer wall at equal intervals, and a circular oil guide pipe is formed in the middle of one side of the packer main body (101).

3. The inflatable packer of claim 1, wherein: the shock absorber device (2) comprises a shock absorber main body (201), bolt grooves (202) are formed in two ends of the outer wall of the shock absorber main body (201), a plurality of square small holes are formed in the top of the inner wall of the shock absorber main body (201) and the bottom of the inner wall at equal intervals, springs (203) are arranged in the square small holes in the top of the inner wall of the shock absorber main body (201) and the equidistant arrangement of the bottom of the inner wall, the bottoms of the springs (203) are fixedly connected with the bottoms of the inner cavities of the square small holes of the shock absorber main body (201), and triangular blocks (204) are fixedly connected to the tops of the springs (203).

4. An inflatable packer according to claim 3, wherein: the bottom of each triangular block (204) is movably connected with a plurality of triangular grooves (102) which are arranged on the outer wall of the packer main body (101) at equal intervals.

5. The inflatable packer of claim 1, wherein: the protective rubber cylinder device (3) comprises a protective rubber cylinder main body (301), and side rings (302) are fixedly connected to two sides of the protective rubber cylinder main body (301).

6. The inflatable packer of claim 1, wherein: the limiting device (4) comprises a limiting main body (401), threads (402) are formed on the inner wall surface of the limiting main body (401), and a plurality of friction grooves (403) are formed on the outer wall surface of the limiting main body (401).

7. The inflatable packer of claim 1, wherein: the damping cylinder device (2) is made of anti-corrosion metal, and the damping cylinder device (2) is made of anti-oxidation and anti-corrosion metal.