CN215332758U

CN215332758U - Differential pressure type oil extraction packer

Info

Publication number: CN215332758U
Application number: CN202121628078.XU
Authority: CN
Inventors: 孙天赐
Original assignee: Fizzer Petroleum Equipment Liaoning Co ltd
Current assignee: Fizzer Petroleum Equipment Liaoning Co ltd
Priority date: 2021-07-18
Filing date: 2021-07-18
Publication date: 2021-12-28
Anticipated expiration: 2031-07-18

Abstract

The utility model belongs to the technical field of well cementation equipment, and particularly relates to a differential pressure type oil extraction packer which comprises a packer, wherein the outer side of the packer is connected with a rotating sleeve through threads, a sliding groove is formed in the packer, a sliding block is connected to the inside of the sliding groove in a sliding mode, one end of the sliding block is fixedly connected with a connecting sleeve, the connecting sleeve is in contact with the packer, a first annular groove is formed in the connecting sleeve, a supporting cylinder is connected to the inside of the first annular groove in a sliding mode, the upper end of the supporting cylinder is fixedly connected with the rotating sleeve, and a second annular groove is formed in the supporting cylinder. According to the utility model, the rotary sleeve is arranged, so that the rotary sleeve and the packer can generate threaded motion by rotating the rotary sleeve, the rotary sleeve drives one end of the connecting sleeve, the connecting sleeve drives the base on the first hinge rod to move, the rubber pad on the base is in contact with a pipeline to be sealed, and the packer can be fixed in the pipeline.

Description

Differential pressure type oil extraction packer

Technical Field

The utility model relates to the technical field of well cementation equipment, in particular to a differential pressure type oil extraction packer.

Background

The packer is a downhole tool with elastic sealing element to seal the annular space between the pipe string and the well hole and between the pipe strings in different sizes and to isolate the producing zone to control the production (injection) fluid and protect the casing. The existing differential pressure type oil extraction packer is inconvenient to fix.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a differential pressure type oil extraction packer, which solves the problem that the existing differential pressure type oil extraction packer is inconvenient to fix.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a differential oil recovery packer, includes the packer, there is the rotation cover in the outside of packer through threaded connection, the spout has been seted up on the packer, the inside slip of spout even has the slider, the one end fixedly connected with adapter sleeve of slider, adapter sleeve and packer contact, first ring channel has been seted up on the adapter sleeve, the inside sliding connection of first ring channel has a supporting cylinder, the upper end fixedly connected with of supporting cylinder rotates the cover, the second ring channel has been seted up on the supporting cylinder, the bottom fixedly connected with first connecting block of adapter sleeve, it has the head rod to articulate on the first connecting block, the one end of head rod articulates there is first articulated piece, the lower extreme fixedly connected with fixed block of first articulated piece, the one end fixedly connected with base of fixed block.

Preferably, the outer side of the bottom of the packer is fixedly connected with a fixed sleeve, and the upper end of the fixed sleeve is fixedly connected with a second connecting block.

Preferably, the number of the sliding grooves is two, and the two sliding grooves are symmetrically distributed on the packer

Preferably, the inside of second ring channel sliding connection has the stop pin, the inside of adapter sleeve has the stop pin through threaded connection.

Preferably, the one end fixedly connected with rubber pad of base, the lower extreme fixedly connected with second of fixed block articulates the piece.

Preferably, the second articulated piece is articulated with a second connecting rod, and one end of the second connecting rod is articulated with a second connecting block.

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

1. according to the utility model, the rotating sleeve is arranged, so that the rotating sleeve and the packer can generate threaded motion by rotating the rotating sleeve, the rotating sleeve drives the connecting sleeve to move, the connecting sleeve drives the base on the first hinge rod to move, the rubber pad on the base is in contact with the vertical shaft to be sealed, and the packer can be fixed in the vertical shaft.

2. According to the utility model, the rubber pad is arranged, so that the friction force during the fixation of the packer is increased, the packer is more stable during the fixation, and the connecting sleeve and the supporting cylinder cannot be separated when the rotating sleeve rotates due to the arrangement of the limiting nail.

Drawings

FIG. 1 is a perspective view of the overall construction of the present invention;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;

fig. 4 is an enlarged view of a portion B of fig. 2 according to the present invention.

In the figure: 1. a packer; 2. rotating the sleeve; 3. fixing a sleeve; 4. a chute; 5. a slider; 6. connecting sleeves; 7. a first annular groove; 8. a support cylinder; 9. a second annular groove; 10. a limit pin; 11. a first connection block; 12. a first connecting rod; 13. a first hinge block; 14. a fixed block; 15. a base; 16. a rubber pad; 17. a second hinge block; 18. a second connecting rod; 19. and a second connecting block.

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.

Please refer to fig. 1-4, a differential pressure type oil production packer, which comprises a packer 1, the outer side of the packer 1 is connected with a rotating sleeve 2 through a thread, a chute 4 is provided on the packer 1, the inside of the chute 4 is connected with a sliding block 5 in a sliding manner, one end of the sliding block 5 is fixedly connected with a connecting sleeve 6, the connecting sleeve 6 is in contact with the packer 1, a first annular groove 7 is provided on the connecting sleeve 6, the inside of the first annular groove 7 is connected with a supporting cylinder 8 in a sliding manner, the upper end of the supporting cylinder 8 is fixedly connected with the rotating sleeve 2, the supporting cylinder 8 is provided with a second annular groove 9, the bottom of the connecting sleeve 6 is fixedly connected with a first connecting block 11, the first connecting block 11 is hinged with a first connecting rod 12, one end of the first connecting rod 12 is hinged with a first hinged block 13, the lower end of the first hinged block 13 is fixedly connected with a fixed block 14, and one end of the fixed block 14 is fixedly connected with a base 15.

Referring to fig. 2, the outer side of the bottom of the packer 1 is fixedly connected with a fixed sleeve 3, and the upper end of the fixed sleeve 3 is fixedly connected with a second connecting block 19, so that the second connecting block 19 can be hinged with a second connecting rod 18.

Referring to fig. 2, the number of the chutes 4 is two, and the two chutes 4 are symmetrically distributed on the packer 1, so that the connecting sleeve 6 can slide on the packer 1.

Referring to fig. 3, the inside of the second annular groove 9 is slidably connected with a limit pin 10, and the inside of the connecting sleeve 6 is connected with the limit pin 10 through a thread, so that the rotating sleeve 2 can rotate and drive the connecting sleeve 6 to move.

Referring to fig. 4, a rubber pad 16 is fixedly connected to one end of the base 15, the rubber pad 16 increases friction force during fixing, and a second hinge block 17 is fixedly connected to the lower end of the fixing block 14 and is used for being hinged to a second connecting rod 18.

Referring to fig. 2, a second connecting rod 18 is hinged to the second hinge block 17, and a second connecting block 19 is hinged to one end of the second connecting rod 18 and can move in cooperation with the base 15.

The specific implementation process of the utility model is as follows: when the packer 1 needs to be installed, the device is placed in a pipeline, the rotating sleeve 2 is rotated, the rotating sleeve 2 and the packer 1 perform threaded motion, the rotating sleeve 2 drives the supporting cylinder 8 to rotate at the connecting sleeve 6, the supporting cylinder 8 drives the connecting sleeve 6 to move, the connecting sleeve 6 drives the first connecting block 11 to move, the first connecting block 11 and the first connecting rod 12 perform relative rotation, the first connecting rod 12 and the first hinging block 13 perform relative rotation, the first hinging block 13 drives the second hinging block 17 on the fixing block 14 and the second connecting rod 18 to perform relative rotation, meanwhile, the fixing block 14 drives the rubber pad 16 on the base 15 to move, the rubber pad 16 is in contact with the wall surface of a vertical shaft, and the packer 1 can be fixed in the vertical shaft.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A differential pressure type oil production packer comprises a packer (1) and is characterized in that: the outer side of the packer (1) is connected with a rotating sleeve (2) through threads, a sliding groove (4) is formed in the packer (1), a sliding block (5) is connected to the inside of the sliding groove (4) in a sliding manner, a connecting sleeve (6) is fixedly connected to one end of the sliding block (5), the connecting sleeve (6) is in contact with the packer (1), a first annular groove (7) is formed in the connecting sleeve (6), a supporting cylinder (8) is connected to the inside of the first annular groove (7) in a sliding manner, the upper end of the supporting cylinder (8) is fixedly connected with the rotating sleeve (2), a second annular groove (9) is formed in the supporting cylinder (8), a first connecting block (11) is fixedly connected to the bottom of the connecting sleeve (6), a first connecting rod (12) is hinged to the first connecting block (11), and a first hinging block (13) is hinged to one end of the first connecting rod (12), the lower extreme fixedly connected with fixed block (14) of first articulated piece (13), the one end fixedly connected with base (15) of fixed block (14).

2. The differential pressure type oil recovery packer of claim 1, wherein: the packer is characterized in that a fixed sleeve (3) is fixedly connected to the outer side of the bottom of the packer (1), and a second connecting block (19) is fixedly connected to the upper end of the fixed sleeve (3).

3. The differential pressure type oil recovery packer of claim 1, wherein: the number of the sliding chutes (4) is two, and the two sliding chutes (4) are symmetrically distributed on the packer (1).

4. The differential pressure type oil recovery packer of claim 1, wherein: the inside sliding connection of second ring channel (9) has stop pin (10), there is stop pin (10) inside through threaded connection of adapter sleeve (6).

5. The differential pressure type oil recovery packer of claim 1, wherein: one end fixedly connected with rubber pad (16) of base (15), the lower extreme fixedly connected with second articulated piece (17) of fixed block (14).

6. The differential pressure type oil recovery packer of claim 5, wherein: the second hinging block (17) is hinged with a second connecting rod (18), and one end of the second connecting rod (18) is hinged with a second connecting block (19).