CN217813390U

CN217813390U - High-temperature high-pressure packer

Info

Publication number: CN217813390U
Application number: CN202222018501.5U
Authority: CN
Inventors: 刘刚; 张明; 黄德顺
Original assignee: Xi'an Petroleum Dajiarun Industrial Co ltd
Current assignee: Xi'an Petroleum Dajiarun Industrial Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-11-15
Anticipated expiration: 2032-08-02

Abstract

The utility model relates to the technical field of packers, in particular to a high-temperature and high-pressure packer, which comprises a central pipe, a rubber cylinder and a hoop, wherein the rubber cylinder and the hoop are sleeved outside the central pipe; the protection subassembly includes the rubber tube, the utility model discloses in set up between packing element and hoop through the rubber tube that sets up, can effectual assurance packing element when rising outward, carry out effectual protection to the avris of packing element to avoid the packing element to receive the problem that hoop conflict leads to the damage when receiving high pressure, for the rigid contact among the prior art, the utility model discloses in adopt the mode of rubber tube flexible contact, with play more excellent protecting effect, secondly, the utility model discloses in still can effectually carry out effectual protection to the outer wall of packing element through the steel wire net cover that sets up, further promoted the high temperature resistant and the high pressure resistant ability of packing element.

Description

High-temperature high-pressure packer

Technical Field

The utility model relates to a packer technical field especially relates to a high temperature high pressure packer.

Background

Chinese patent publication No. "CN213627521U" an expanding packer with a protective structure at the shoulder of a rubber cylinder and high temperature and high pressure resistance, relates to the technical field of oil field downhole tools, and comprises a central tube and a rubber cylinder, wherein the rubber cylinder is arranged at the outer side of the central tube, two ends of the rubber cylinder are fixedly and hermetically connected to the central tube, the outer sides of two ends of the rubber cylinder are respectively provided with a hoop, and a liquid passing channel is arranged on the central tube corresponding to the inner space of the rubber cylinder; an outer retaining ring and an inner retaining ring are arranged between the hoop and the rubber cylinder, the inner retaining ring is sleeved on the outer side of the rubber cylinder, and the outer retaining ring is sleeved on the outer side of the inner retaining ring.

Although the technical scheme can realize protection between the rubber sleeve and the hoop, the technical scheme adopts elastic sheet type rigid protection, so that the applicant thinks that the protection effect in the technical scheme is general, and based on the protection effect, the high-temperature and high-pressure packer is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above disadvantages existing in the prior art and providing a high-temperature high-pressure packer.

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

designing a high-temperature and high-pressure packer, which comprises a central pipe, a rubber cylinder and a hoop, wherein the rubber cylinder and the hoop are sleeved outside the central pipe;

the protection assembly comprises a rubber tube, a bending part is arranged on the outer peripheral surface of the rubber tube and can be clamped with the edge of the rubber tube, and a compression-resistant structure is arranged on the inner side of the rubber tube to enhance the compression resistance of the rubber tube to the rubber tube.

Preferably, the compression-resistant structure is including connecting in the inboard bracing piece of rubber tube, the bracing piece is cyclic annular to be set up, and bracing piece integrated into one piece and the kink between the inner vertex angle and the inner wall of rubber tube.

Preferably, the end surface of the supporting rod is at least provided with a group of air holes, and the peripheral surface of the rubber tube is at least provided with an exhaust hole.

Preferably, the rubber sleeve further comprises an outer protection component, and the outer protection component is connected between the two protection components and sleeved on the peripheral surface of the rubber sleeve.

Preferably, the outer protecting component comprises a steel wire mesh sleeve, two end faces of the steel wire mesh sleeve are respectively connected with the two groups of rubber pipes, and an elastic component is arranged on the inner side of the steel wire mesh sleeve.

Preferably, the elastic component is an elastic belt, and the elastic belt is embedded in the inner side of the steel wire mesh sleeve.

The utility model provides a high temperature high pressure packer, beneficial effect lies in: the utility model discloses in set up between packing element and hoop through the rubber tube that sets up, can effectually guarantee that the packing element carries out effectual protection to the avris of packing element when rising outward to avoid the packing element to receive the hoop conflict when receiving high pressure and lead to the problem of damage, for the rigid contact among the prior art, the utility model discloses well adoption rubber tube flexible contact's mode to play more excellent protecting effect, secondly, the utility model discloses well still can effectually protect the outer wall of packing element through the steel wire net cover that sets up, further promoted the high temperature resistant and the high pressure resistant ability of packing element, overall structure is simple and novel, and the practicality is stronger.

Drawings

Fig. 1 is a schematic structural view of a high-temperature and high-pressure packer provided by the present invention;

FIG. 2 is an enlarged schematic view of the A-zone structure of the high-temperature high-pressure packer provided by the present invention;

fig. 3 is the rubber tube structure schematic diagram of the high-temperature high-pressure packer provided by the utility model.

In the figure: 1. a central tube; 2. a rubber cylinder; 3. a hoop; 4. a guard assembly; 41. a hose; 42. a bending section; 43. a support bar; 44. air holes are formed; 45. an exhaust hole; 5. an outer shield assembly; 51. an elastic band.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-3, a high-temperature and high-pressure packer comprises a central tube 1, a rubber tube 2 sleeved outside the central tube 1, and a hoop 3, wherein a protection component 4 is arranged between two ends of the rubber tube 2 and the hoop 3, and the protection component 4 is sleeved outside the central tube 1;

the protection assembly 4 comprises a rubber tube 41, a bending part 42 is arranged on the outer peripheral surface of the rubber tube 41, the bending part 42 can be clamped with the edge of the rubber tube 2, and a compression-resistant structure is arranged on the inner side of the rubber tube 41 to enhance the compression resistance of the rubber tube 41 to the rubber tube 2 through the compression-resistant structure.

More specifically, the utility model discloses well pressure structure is including connecting in the inboard bracing piece 43 of rubber tube 41, and bracing piece 43 ring-type sets up, and bracing piece 43 integrated into one piece and kink 42 between the interior apex angle and the inner wall of rubber tube 41.

In order to further strengthen the resistance to compression effect, the utility model discloses a set of bleeder vent 44 has been seted up on the terminal surface of well bracing piece 43 at least, and a discharge hole 45 has been seted up at least to the outer peripheral face of rubber tube 41, and when the extrusion was received at rubber tube 41 through the discharge hole 45 that sets up, outwards exhaust that can slow to form the air damping effect, with the better laminating protection of realization and packing element 2.

Still further, the utility model discloses in still including outer subassembly 5, outer subassembly 5 is connected between two sets of protective assembly 4, and the outer peripheral face of packing element 2 is located to the cover.

Illustratively, the outer protecting component 5 comprises a wire mesh sleeve, two end faces of the wire mesh sleeve are respectively connected with the two groups of rubber pipes 41, and an elastic component is arranged inside the wire mesh sleeve, wherein the elastic component is an elastic belt 51, and the elastic belt 51 is embedded inside the wire mesh sleeve.

The utility model discloses in set up between packing element 2 and hoop 3 through the rubber tube 41 that sets up, can effectual assurance packing element 2 when rising outward, carry out effectual protection to packing element 2's avris to avoid packing element 2 to receive the problem that hoop 3 is contradicted and is leaded to the damage when receiving high pressure, for the rigid contact among the prior art, the utility model discloses in adopt the mode of rubber tube 41 flexible contact, with play more excellent protecting effect, secondly, the utility model discloses in still can effectually protect packing element 2's outer wall through the steel wire net cover that sets up, further promoted packing element 2's high temperature resistant and high pressure resistant ability, overall structure is simple and novel, and the practicality is stronger.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high temperature high pressure packer, includes center tube (1), cover and locates packing element (2) and hoop (3) in the center tube (1) outside, its characterized in that: protective assemblies (4) are arranged between the two ends of the rubber cylinder (2) and the hoop (3), and the protective assemblies (4) are sleeved on the outer side of the central pipe (1);

protection component (4) are including rubber tube (41), be provided with a kink (42) on rubber tube (41) outer peripheral face, kink (42) can with the border looks joint of packing element (2), the inboard of rubber tube (41) is provided with compressive structures to strengthen the compressive capacity of rubber tube (41) to packing element (2) through compressive structures.

2. A high temperature and high pressure packer as claimed in claim 1, wherein: the compression-resistant structure comprises a supporting rod (43) connected to the inner side of the rubber tube (41), the supporting rod (43) is annularly arranged, and the supporting rod (43) is integrally formed with the inner vertex angle of the bending part (42) and the inner wall of the rubber tube (41).

3. A high temperature and high pressure packer as claimed in claim 2, wherein: the end surface of the supporting rod (43) is at least provided with a group of air holes (44), and the peripheral surface of the rubber tube (41) is at least provided with an exhaust hole (45).

4. A high temperature and high pressure packer as claimed in claim 2, wherein: still include outer subassembly (5), outer subassembly (5) are connected between two sets of protection subassemblies (4) and are located the outer peripheral face of packing element (2) in the cover.

5. A high temperature and high pressure packer as claimed in claim 4, wherein: the outer protecting assembly (5) comprises a steel wire mesh sleeve, two end faces of the steel wire mesh sleeve are respectively connected with two groups of rubber pipes (41), and an elastic assembly is arranged on the inner side of the steel wire mesh sleeve.

6. A high temperature and high pressure packer as claimed in claim 5, wherein: the elastic component is arranged as an elastic belt (51), and the elastic belt (51) is embedded in the inner side of the steel wire net cover.