CN209818020U

CN209818020U - Novel packer

Info

Publication number: CN209818020U
Application number: CN201920299731.9U
Authority: CN
Inventors: 王成军
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-11
Filing date: 2019-03-11
Publication date: 2019-12-20
Anticipated expiration: 2029-03-11

Abstract

The utility model discloses a novel packer, the female joint comprises an outer tube, the inboard of outer tube is fixed with the leather cup, the surface of leather cup is connected with the blotter, and the top of leather cup is connected with oil pipe No. one, and the outside of outer tube is embedded to have a connecting plate, the internally mounted of connecting plate has the spring, and the top of connecting plate is connected with oil pipe No. two, one side of spring is connected with the piston. The utility model discloses a set up No. two oil pipe, the connecting plate, expansion plate and blade, when again with the device anchoring in the well head, with No. two oil pipe and hydraulic pump connection, the hydraulic pump passes through No. two oil pipe inputs hydraulic oil to the connecting plate in, hydraulic oil passes through the piston and drives the blade and remove to oil well inner wall direction, the expansion plate up to blade one side cuts into the oil well inner wall, thereby the connecting plate, blade and expansion plate mutually support and provide stable engaging force for outer tube and oil well, for the anchoring mechanism of traditional packer, the structure is simpler, the manufacturing cost of packer has been reduced.

Description

Novel packer

Technical Field

The utility model relates to a packer field specifically is a novel packer.

Background

The packer is used for layering in the oil production process, and an oil production channel is designed on the packer and can be opened or closed.

However, the packer on the market at present has a complex structure and high manufacturing cost, which leads to the increase of the cost of oil exploitation, and the leather cup on the packer is easy to be damaged, which leads to the increase of the maintenance cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the packer structure on the market and be fidget, it is higher to make the cost, leads to exploiting oil field cost to promote, and the leather cup on the packer is damaged easily, leads to the problem that the maintenance cost rises, provides a novel packer.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel packer, includes the outer tube, the inboard of outer tube is fixed with the leather cup, the surface connection of leather cup has the blotter, and the top of leather cup is connected with oil pipe No. one, and the outside of outer tube is embedded to have a connecting plate, the internally mounted of connecting plate has the spring, and the top of connecting plate is connected with oil pipe No. two, one side of spring is connected with the piston, one side that the spring was kept away from to the piston is connected with the blade, the inside of blade is provided with the draw-in groove, and the inside of blade is located the top and the below of draw-in groove and all is provided with the mounting hole, the inner wall connection of draw-in groove has the fixture block, the inside of fixture block is provided with the connecting hole, one.

Preferably, the number of the connecting plates is two, and the two connecting plates are symmetrically arranged along the vertical general axis of the outer pipe.

Preferably, the bottom end of the second oil pipe penetrates through the top end of the connecting plate and extends to the inside of the connecting plate, and the top end of the second oil pipe penetrates through the inside of the outer pipe and extends to the upper side of the outer pipe.

Preferably, the bottom end of the first oil pipe penetrates through the top end of the leather cup and extends to the inside of the leather cup, and the top end of the first oil pipe penetrates through the inside of the outer pipe and extends to the upper side of the outer pipe.

Preferably, the inner wall of the connecting plate is matched with the outer surface of the expansion plate, and a sealing ring is arranged at the position where the piston is contacted with the connecting plate.

Preferably, the material of blotter is the silica gel material, the blade passes through fixing bolt, mounting hole and connecting hole with the expansion plate and can dismantle and be connected, the top of an oil pipe and No. two oil pipes all with hydraulic pump connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up No. two oil pipe, the connecting plate, expansion plate and blade, when again with the device anchoring in the well head, with No. two oil pipe and hydraulic pump connection, the hydraulic pump passes through oil pipe input to the connecting plate No. two with hydraulic oil, along with the inside pressure increase of connecting plate, hydraulic oil passes through the piston and drives the blade and remove to oil well inner wall direction, the expansion plate until blade one side cuts into the oil well inner wall, thereby the connecting plate, blade and expansion plate mutually support and provide stable engaging force for outer tube and oil well, for the anchoring mechanism of traditional packer, the structure is simpler, the manufacturing cost of packer has been reduced, through setting up the blotter, the blotter can alleviate the friction of leather cup and well head inner wall, thereby reach the purpose of protection leather cup, leather cup instruction end has effectively been solved, it is frequent to change, problem with high costs.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection between the leather cup and the first oil pipe of the present invention;

FIG. 3 is a schematic view of the connection between the connection plate and the second oil pipe according to the present invention;

fig. 4 is a schematic view of the connection between the retractable plate and the blade according to the present invention.

In the figure: 1. an outer tube; 2. a leather cup; 3. a cushion pad; 4. a connecting plate; 5. a blade; 6. a retractable plate; 7. an oil pipe I; 8. a second oil pipe; 9. a spring; 10. a piston; 11. a card slot; 12. connecting holes; 13. a clamping block; 14. mounting holes; 15. and (5) fixing the bolt.

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.

Referring to fig. 1-4, a novel packer comprises an outer tube 1, a cup 2 fixed inside the outer tube 1, a cushion pad 3 connected to the outer surface of the cup 2, the top end of the leather cup 2 is connected with a first oil pipe 7, a connecting plate 4 is embedded in the outer side of the outer pipe 1, a spring 9 is arranged in the connecting plate 4, the top end of the connecting plate 4 is connected with a second oil pipe 8, one side of the spring 9 is connected with a piston 10, one side of the piston 10 far away from the spring 9 is connected with a blade 5, a clamping groove 11 is arranged in the blade 5, and the inside of blade 5 is located the top and the below of draw-in groove 11 and all is provided with mounting hole 14, and the inner wall of draw-in groove 11 is connected with fixture block 13, and the inside of fixture block 13 is provided with connecting hole 12, and the one side that blade 5 was kept away from to connecting hole 12 is connected with expansion plate 6, and the inner wall of mounting hole 14 and connecting hole 12 is connected with fixing bolt 15.

Please refer to fig. 1, the number of the connecting plates 4 is two, and the two connecting plates 4 are symmetrically arranged along the vertical general axis of the outer tube 1, so that the blades 5 arranged at the outer sides of the two connecting plates 4 are clamped into the inner wall of the oil well, and provide enough supporting force for the device.

Please refer to fig. 2, the bottom end of the first oil pipe 7 penetrates the top end of the cup 2 and extends into the cup 2, and the top end of the first oil pipe 7 penetrates the inner portion of the outer pipe 1 and extends above the outer pipe 1, so as to facilitate the hydraulic oil transportation to the inner portion of the cup 2 through the first oil pipe 7.

Please refer to fig. 3, the bottom end of the second oil pipe 8 penetrates the top end of the connecting plate 4 and extends into the connecting plate 4, and the top end of the second oil pipe 8 penetrates the inner part of the outer pipe 1 and extends above the outer pipe 1, so as to facilitate the hydraulic oil delivery to the inner part of the connecting plate 4 through the second oil pipe 8; the inner wall of connecting plate 4 agrees with the surface of expansion plate 6 mutually, and the expansion plate 6 of being convenient for slides at the inner wall of connecting plate 4, and the position department that piston 10 and connecting plate 4 contacted is provided with the sealing washer, is convenient for prevent that hydraulic oil from leaking from the position department that connecting plate 4 and piston 10 contacted.

Please refer to fig. 1 and 4, the cushion pad 3 is made of silica gel, the blade 5 and the expansion plate 6 are detachably connected with the connection hole 12 through the fixing bolt 15 and the mounting hole 14, and the top ends of the first oil pipe 7 and the second oil pipe 8 are both connected with the hydraulic pump.

The working principle is as follows: firstly, after the device is put into an oil well, the top end of a second oil pipe 8 is connected with a hydraulic pump, the hydraulic pump conveys hydraulic oil into a connecting plate 4 through the second oil pipe 8, the hydraulic oil drives a blade 5 to move towards the inner wall of the oil well through a piston 10 along with the increase of the pressure inside the connecting plate 4 until a telescopic plate 6 on one side of the blade 5 cuts into the inner wall of the oil well, so that the connecting plate 4, the blade 5 and the telescopic plate 6 are mutually matched to provide stable connecting force for an outer pipe 1 and the oil well, and the anchoring effect is achieved; then, after anchoring is finished, connecting an oil pipe 7 with a hydraulic pump, wherein the hydraulic pump conveys hydraulic oil to the leather cup 2 through the oil pipe 7, the pressure in the leather cup 2 is gradually increased along with the hydraulic oil entering the leather cup 2, the leather cup 2 expands, and the leather cup 2 drives the cushion pad 3 to be attached to the inner wall of the oil well until the leather cup 2 completely seals the space between the oil well and the outer pipe 1; finally, after the device is used for a long time, the expansion plate 6 can be corroded, at the moment, the fixing bolt 15 for connecting the expansion plate 6 and the blade 5 is taken down, the expansion plate 6 is pulled, the expansion plate 6 drives the clamping block 13 to be separated from the inner wall of the clamping groove 11, and the expansion plate 6 can be replaced with a new expansion plate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Claims

1. A novel packer comprises an outer pipe (1), and is characterized in that: the inner side of the outer tube (1) is fixed with a leather cup (2), the outer surface of the leather cup (2) is connected with a buffer pad (3), the top end of the leather cup (2) is connected with a first oil pipe (7), a connecting plate (4) is embedded in the outer side of the outer tube (1), a spring (9) is installed inside the connecting plate (4), the top end of the connecting plate (4) is connected with a second oil pipe (8), one side of the spring (9) is connected with a piston (10), one side, far away from the spring (9), of the piston (10) is connected with a blade (5), a clamping groove (11) is formed in the blade (5), mounting holes (14) are formed in the upper portion and the lower portion of the clamping groove (11) in the interior of the blade (5), a clamping block (13) is connected to the inner wall of the clamping block (13), a connecting hole (12) is formed in the interior of the clamping block (13), and a telescopic plate (6) is, and the mounting holes (14) and the inner walls of the connecting holes (12) are connected with fixing bolts (15).

2. The novel packer of claim 1, wherein: the number of the connecting plates (4) is two, and the two connecting plates (4) are symmetrically arranged along the vertical general axis of the outer pipe (1).

3. The novel packer of claim 1, wherein: the bottom end of the second oil pipe (8) penetrates through the top end of the connecting plate (4) and extends to the inside of the connecting plate (4), and the top end of the second oil pipe (8) penetrates through the inside of the outer pipe (1) and extends to the upper side of the outer pipe (1).

4. The novel packer of claim 1, wherein: the bottom end of the first oil pipe (7) penetrates through the top end of the leather cup (2) and extends to the inside of the leather cup (2), and the top end of the first oil pipe (7) penetrates through the inside of the outer pipe (1) and extends to the upper side of the outer pipe (1).

5. The novel packer of claim 1, wherein: the inner wall of the connecting plate (4) is matched with the outer surface of the expansion plate (6), and a sealing ring is arranged at the position where the piston (10) is contacted with the connecting plate (4).

6. The novel packer of claim 1, wherein: the material of blotter (3) is the silica gel material, blade (5) can be dismantled with expansion plate (6) through fixing bolt (15), mounting hole (14) and connecting hole (12) and be connected, the top of oil pipe (7) and No. two oil pipe (8) all with hydraulic pump connection.