CN220101245U

CN220101245U - Oil well packer

Info

Publication number: CN220101245U
Application number: CN202321566290.7U
Authority: CN
Inventors: 南春玲; 杨培
Original assignee: Xi'an Yitian Technology Co ltd
Current assignee: Xi'an Yitian Technology Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-11-28
Anticipated expiration: 2033-06-19

Abstract

The utility model relates to the technical field of oil well packing, and discloses an oil well packer which comprises an upper shell and a moving plate, wherein supporting rods are fixedly arranged at two ends of the moving plate, a protection steel ring is sleeved on the surface of the upper shell, one ends of the two supporting rods are both fixed on the inner side of the protection steel ring, two symmetrical hydraulic steel pipes are fixedly arranged on the outer surface of the upper shell, a first piston rod and a second piston rod are respectively arranged at two ends of each hydraulic steel pipe, the first piston rod and the second piston rod are mutually perpendicular, and an anti-skid plate is respectively fixedly arranged at one end of each second piston rod.

Description

Oil well packer

Technical Field

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

Background

The packer is a downhole tool which is provided with an elastic sealing element, seals annular spaces between various size tubular columns and a well bore and between tubular columns, isolates a production layer to control production liquid and protect a casing, is arranged at the lower part of the oil pipe in oil well operation, seals an annulus between the oil pipe and the casing when reaching a preset position (depth), namely seals an oil layer, and is an important tool for separate injection and separate production.

The packing element in the packer is a rubber cylinder (bowl), the annular space of the oil sleeve is sealed by swelling the rubber cylinder through the action of machinery, water power or other modes, the upper oil layer and the lower oil layer are sealed and separated, a certain construction purpose is achieved, the surface of a common packing element of the packer is not protected in the well descending process, the common packing element is easy to wear, the service life of the common packing element is not long, and in order to increase the service life of the packing element and reduce the cost, the design of the oil well packer is needed.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an oil well packer.

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

the utility model provides an oil well packer, includes casing and movable plate, movable plate both ends fixed mounting has the bracing piece, it is equipped with the protection steel ring to go up casing surface cover, two bracing piece one end is all fixed in the protection steel ring inboard, it has two symmetrical hydraulic steel pipes to go up casing surface fixed mounting, every hydraulic steel pipe both ends are equipped with first piston rod and second piston rod respectively, every first piston rod and every second piston rod all are mutually perpendicular setting, every second piston rod one end is fixed mounting has the antiskid ribbed tile respectively.

As a further technical scheme of the utility model, the two antiskid plates are arc-shaped, two springs are fixedly arranged on one side of each antiskid plate, and the other end of each spring is fixedly arranged on the surface of the upper shell.

As a further technical scheme of the utility model, one end of each first piston rod is fixedly provided with a connecting rod, one end of each connecting rod is slidably arranged on the surface of the upper shell, and the other end of each connecting rod is fixedly arranged on the inner side of the protection steel ring.

As a further technical scheme of the utility model, one end of the upper shell is fixedly provided with a rubber cylinder, one side of the rubber cylinder is fixedly provided with a lower shell, and one end of the lower shell is fixedly provided with a positioner.

As a further technical scheme of the utility model, the other end of the upper shell is provided with a top cover, the top cover is connected to the top of the upper shell through bolts, and the top of the top cover is provided with a hanging ring.

As a further technical scheme of the utility model, an air pipe is arranged in the upper shell, one end of the air pipe is connected in the rubber cylinder, and the other end of the air pipe is fixedly arranged on one side of the top cover.

As a further technical scheme of the utility model, a baffle is fixedly arranged in the upper shell, a motor is fixedly arranged on one side of the baffle, the output end of the motor is connected with a screw rod, and the movable plate is in threaded connection with the surface of the screw rod.

The beneficial effects of the utility model are as follows:

firstly, the protection steel ring is arranged to protect the rubber cylinder when the rubber cylinder is in the well, so that abrasion consumption is reduced, after the rubber cylinder reaches a preset position, the motor drives the screw rod to rotate to drive the protection steel ring to slide on the surface of the upper shell, the rubber cylinder is not influenced to be inflated to seal the well, and the service life of the equipment is prolonged.

According to the utility model, after the equipment reaches the preset position, the steel ring is protected to slide and push the antiskid plate to prop against the inner wall of the well, so that the stability of the equipment in the use process is improved.

Drawings

FIG. 1 is a schematic diagram of an oil well packer according to the present utility model;

FIG. 2 is a schematic cross-sectional view of an oil well packer according to the present utility model;

fig. 3 is an enlarged schematic view of the portion a in fig. 2.

In the figure: 1. a hanging ring; 2. a top cover; 3. an air pipe; 4. an upper housing; 5. a cleat; 6. a spring; 7. hydraulic steel pipes; 8. protecting the steel ring; 9. a rubber cylinder; 10. a lower housing; 11. a positioner; 12. a motor; 13. a connecting rod; 14. a partition plate; 15. a screw rod; 16. a moving plate; 17. a support rod; 18. a first piston rod; 19. and a second piston rod.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1-3, an oil well packer comprises an upper shell 4 and a moving plate 16, wherein supporting rods 17 are fixedly installed at two ends of the moving plate 16, a protection steel ring 8 is sleeved on the surface of the upper shell 4, one ends of the two supporting rods 17 are fixed on the inner side of the protection steel ring 8, two symmetrical hydraulic steel pipes 7 are fixedly installed on the outer surface of the upper shell 4, a first piston rod 18 and a second piston rod 19 are respectively arranged at two ends of each hydraulic steel pipe 7, each first piston rod 18 and each second piston rod 19 are mutually perpendicular, a antiskid plate 5 is fixedly installed at one end of each second piston rod 19, a sealing element rubber cylinder 9 can be protected in the upper and lower well processes through the arrangement of the equipment, abrasion is reduced, the service life of the equipment is prolonged, the equipment can be prevented from sliding at a designated position during operation through the arrangement of the antiskid plate 5, and the use stability of the equipment is improved.

Referring to fig. 1 and 2, in a preferred embodiment, two anti-slip plates 5 are arc-shaped, two springs 6 are fixedly installed on one side of each anti-slip plate 5, the other end of each spring 6 is fixedly installed on the surface of an upper shell 4, one end of each first piston rod 18 is fixedly installed with a connecting rod 13, one ends of the two connecting rods 13 are slidably installed on the surface of the upper shell 4, the other ends of the two connecting rods 13 are fixedly installed on the inner side of a protection steel ring 8, one end of the upper shell 4 is fixedly installed with a rubber cylinder 9, one side of the rubber cylinder 9 is fixedly installed with a lower shell 10, one end of the lower shell 10 is fixedly installed with a positioner 11, the accuracy of the well position of equipment can be improved by arranging the positioner 11, and the connecting rods 18 can enable the protection steel ring 8 to slide and drive the first piston rods 18 to move so as to push the anti-slip plates 5 to fix equipment, and the running consistency of the equipment is improved.

Referring to fig. 1, in a preferred embodiment, the other end of the upper housing 4 is provided with a top cover 2, the top cover 2 is connected with the top of the upper housing 4 by bolts, the top cover 2 is provided with a hanging ring 1, an air pipe 3 is arranged in the upper housing 4, one end of the air pipe 3 is connected in a rubber cylinder 9, the other end of the air pipe 3 is fixedly installed on one side of the top cover 2, a partition 14 is fixedly installed in the upper housing 4, a motor 12 is fixedly installed on one side of the partition 14, an output end of the motor 12 is connected with a screw rod 15, a movable plate 16 is connected with the surface of the screw rod 15 by threads, and the hanging ring 1 is arranged to facilitate the transportation of equipment and the upper and lower well unfolding operation.

Working principle: before using the equipment, the air pipe 3 is connected with air supply equipment, lifting ring 1 is lifted by using lifting equipment, the equipment is lowered to a preset position in an oil well, position is judged through a positioner 11, motor 12 is started after the position is reached, motor 12 drives screw rod 15 to rotate, screw rod 15 drives moving plate 16 to move, moving plate 16 drives protection steel ring 8 to slide through two supporting rods 17 to expose rubber cylinder 9, protection steel ring 8 drives two first piston rods 18 to slide in hydraulic steel pipe 7 respectively through two connecting rods 13 to squeeze engine oil in hydraulic steel pipe 7, generated pressure pushes second piston rod 19 to move, two second piston rods 19 drive two antiskid plates 5 to push against the inner wall of a well, air supply equipment outside the well simultaneously starts to inflate rubber cylinder 9 to seal the well when reaching the preset position, gas is pumped out after operation is completed, rubber cylinder 9 is contracted, motor 12 is reversed, protection steel ring 8 is driven to move to rubber cylinder 9 through screw rod 15 to protect surface, two first rubber cylinders 18 are driven to reset, pressure in hydraulic steel pipe 7 is reduced, two antiskid plates 5 are lifted by a plurality of springs 6 to approach to the casing 4 and then the equipment is lifted upwards through lifting equipment.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an oil well packer, includes casing (4) and movable plate (16), its characterized in that, movable plate (16) both ends fixed mounting has bracing piece (17), it is equipped with protection steel ring (8) to go up casing (4) surface cover, two bracing piece (17) one end all is fixed in protection steel ring (8) inboard, it has two symmetrical hydraulic steel pipes (7) to go up casing (4) surface fixed mounting, every hydraulic steel pipe (7) both ends are equipped with first piston rod (18) and second piston rod (19) respectively, every first piston rod (18) and every second piston rod (19) all are mutually perpendicular setting, every second piston rod (19) one end respectively fixed mounting has antiskid ribbed tile (5).

2. The oil well packer according to claim 1, wherein the two antiskid plates (5) are arc-shaped, two springs (6) are fixedly arranged on one side of each antiskid plate (5), and the other end of each spring (6) is fixedly arranged on the surface of the upper shell (4).

3. An oil well packer according to claim 2, characterized in that one end of each first piston rod (18) is fixedly provided with a connecting rod (13), one end of each connecting rod (13) is slidably arranged on the surface of the upper shell (4), and the other end of each connecting rod (13) is fixedly arranged on the inner side of the protection steel ring (8).

4. An oil well packer according to claim 3, characterized in that a rubber cylinder (9) is fixedly mounted at one end of the upper casing (4), a lower casing (10) is fixedly mounted at one side of the rubber cylinder (9), and a positioner (11) is fixedly mounted at one end of the lower casing (10).

5. The oil well packer according to claim 4, wherein a top cover (2) is arranged at the other end of the upper casing (4), the top cover (2) is connected to the top of the upper casing (4) through bolts, and a lifting ring (1) is arranged at the top of the top cover (2).

6. The oil well packer according to claim 5, wherein an air pipe (3) is arranged in the upper shell (4), one end of the air pipe (3) is connected in the rubber cylinder (9), and the other end of the air pipe (3) is fixedly arranged on one side of the top cover (2).

7. The oil well packer according to claim 6, wherein a partition plate (14) is fixedly installed in the upper casing (4), a motor (12) is fixedly installed on one side of the partition plate (14), a screw rod (15) is connected to the output end of the motor (12), and the moving plate (16) is in threaded connection with the surface of the screw rod (15).