CN219365986U

CN219365986U - Expansion type hydraulic packer capable of being quickly set

Info

Publication number: CN219365986U
Application number: CN202320451220.0U
Authority: CN
Inventors: 吴海涛; 付勇刚; 王传胜; 尹红斌; 陶国成; 古渝川; 陈良刚; 王健
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-07-18
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses an expansion type hydraulic packer for quick setting, which comprises an oil pipe, wherein a compression pipe is arranged in the oil pipe, the bottom end of the compression pipe is connected with a connecting pipe, the bottom end of the connecting pipe is connected with a lower sleeve, the top end of the compression pipe is fixedly provided with a connector, the surface of the compression pipe is sleeved with an expansion type rubber cylinder, the surface of the connector is sleeved with a sealing ring, and the surface of the connecting pipe is symmetrically provided with auxiliary supporting mechanisms; according to the utility model, through the designed fixing seat, the butt joint groove, the auxiliary supporting piece and the telescopic spring, a certain auxiliary supporting effect can be realized in the oil pipe of the expansion type hydraulic packer when the expansion type rubber cylinder is unsealed, the expansion type hydraulic packer is prevented from sliding off the inside of the oil pipe, meanwhile, the guide groove and the guide block are matched, and the auxiliary supporting piece can be moved and guided when being reset and supported, so that compared with the prior art, the setting work of the expansion type hydraulic packer is greatly facilitated.

Description

Expansion type hydraulic packer capable of being quickly set

Technical Field

The utility model belongs to the technical field of petroleum underground exploitation working tools, and particularly relates to an expansion type hydraulic packer capable of being quickly set.

Background

The packer is a special tool for sealing oil, gas and water layers in a casing or an open hole. The packer is internally provided with an elastomeric sealing element and thereby seals the annular space between the various sized strings and the wellbore and between the strings and isolates the production zone to control production and injection and protect the casing's downhole tools.

When the expansion type hydraulic packer is used, most of the expansion type hydraulic packer is directly inserted into the oil pipe and is placed at a specified position in the oil pipe through sleeve connection for expansion setting, but because the surface of the existing expansion type hydraulic packer is not provided with an auxiliary supporting structure, when the expansion type rubber cylinder is unpacked, the situation that the expansion type hydraulic packer falls from the oil pipe due to the fact that the expansion type hydraulic packer does not have a fixing function is very easy to occur, and therefore the expansion type hydraulic packer capable of being quickly set is provided.

Disclosure of Invention

The utility model aims to provide a quick setting expansion type hydraulic packer, so as to solve the problem that the expansion type hydraulic packer disclosed in the background art is not provided with an auxiliary supporting structure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an expansion type hydraulic packer of quick setting, includes oil pipe, oil pipe's inside is provided with the compression pipe, the bottom of compression pipe is connected with the connecting pipe, the bottom of connecting pipe is connected with down the sleeve pipe, the top of compression pipe is fixed with the connector, the surface cover of compression pipe is equipped with expansion type packing element, the surface cover of connector is equipped with the sealing washer, the surface symmetry of connecting pipe is provided with auxiliary support mechanism, be provided with sealed stop gear between connector and the compression pipe, auxiliary support mechanism includes:

the fixing component is arranged on the surface of the connecting pipe;

the auxiliary supporting component is connected with the fixing component on the surface of the connecting pipe;

a connection assembly provided at an end of the auxiliary supporting assembly;

the reset component is arranged inside the connecting component;

and the guide assemblies are arranged on two sides of the end part of the auxiliary supporting assembly.

Preferably, the fixing assembly comprises fixing seats symmetrically fixed on two sides of the connecting pipe.

Preferably, the auxiliary supporting component comprises a butt joint groove formed at the end part of the fixing seat and an auxiliary supporting piece arranged on the surface of the connecting pipe and connected with the butt joint groove.

Preferably, the connecting assembly comprises a connecting groove formed in the end part of the auxiliary supporting piece and a connecting hole penetrating through the inner wall of the connecting groove to the inside of the butt joint groove, and a connecting rod penetrating through the inside of the connecting hole and connected with the connecting groove is fixed in the butt joint groove.

Preferably, the reset assembly comprises a telescopic spring arranged inside the connecting groove and connected with the connecting rod.

Preferably, the guide assembly comprises guide grooves symmetrically formed in two sides of the end part of the auxiliary support piece and guide blocks symmetrically fixed on two sides of the inner wall of the butt joint groove, and the guide blocks are connected with the guide grooves in a clamping mode.

Preferably, the sealing limiting mechanism comprises limiting grooves symmetrically formed in the bottom end of the sealing ring and limiting blocks symmetrically fixed on the top end of the compression pipe relative to two sides of the connector, and the limiting blocks are connected with the limiting grooves in a clamping mode.

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

according to the utility model, through the designed fixing seat, the butt joint groove, the auxiliary supporting piece and the telescopic spring, a certain auxiliary supporting effect can be realized in the oil pipe of the expansion type hydraulic packer when the expansion type rubber cylinder is unsealed, the expansion type hydraulic packer is prevented from sliding off the inside of the oil pipe, meanwhile, the guide groove and the guide block are matched, and the auxiliary supporting piece can be moved and guided when being reset and supported, so that compared with the prior art, the setting work of the expansion type hydraulic packer is greatly facilitated.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present utility model;

FIG. 2 is an enlarged schematic view of the utility model at A of FIG. 1;

FIG. 3 is an enlarged schematic view of the utility model at B of FIG. 1;

in the figure: 1. an oil pipe; 2. compressing the pipe; 3. a connecting pipe; 4. running a sleeve; 5. a connector; 6. an expansion type rubber cylinder; 7. a seal ring; 100. a fixing seat; 200. a butt joint groove; 201. an auxiliary support; 300. a connecting groove; 301. a connection hole; 302. a connecting rod; 400. a telescopic spring; 500. a guide groove; 501. a guide block; 600. a limit groove; 601. and a limiting block.

Detailed Description

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides an expansion type hydraulic packer of quick setting, including oil pipe 1, the inside of oil pipe 1 is provided with compression pipe 2, compression pipe 2's bottom is connected with connecting pipe 3, and connecting pipe 3's bottom is connected with down sleeve pipe 4, compression pipe 2's top is fixed with connector 5, compression pipe 2's surface cover is equipped with expansion type packing element 6, connector 5's surface cover is equipped with sealing washer 7, connecting pipe 3's surface symmetry is provided with auxiliary support mechanism, is provided with sealed stop gear between connector 5 and the compression pipe 2, auxiliary support mechanism includes:

a fixing assembly provided on a surface of the connection pipe 3;

an auxiliary supporting component, the surface of which is provided with the connecting pipe 3 is connected with the fixing component;

a connection assembly provided at an end of the auxiliary supporting assembly;

the reset component is arranged inside the connecting component;

In this embodiment, the fixing assembly preferably includes fixing bases 100 symmetrically fixed at both sides of the connection pipe 3.

In this embodiment, preferably, the auxiliary support assembly includes a docking slot 200 formed at an end of the fixing base 100 and an auxiliary support 201 disposed on a surface of the connection pipe 3 and connected to the docking slot 200, so as to support the expandable hydraulic packer in an auxiliary manner.

In this embodiment, preferably, the connection assembly includes a connection slot 300 formed in an end portion of the auxiliary support 201 and a connection hole 301 penetrating through an inner wall of the connection slot 300 to an inside of the docking slot 200, and a connection rod 302 penetrating through the inside of the connection hole 301 and connected to the connection slot 300 is fixed in the docking slot 200, so that the auxiliary support 201 and the fixing base 100 can be stably connected.

In this embodiment, preferably, the reset assembly includes a telescopic spring 400 disposed inside the connecting slot 300 and connected to the connecting rod 302, so as to drive the auxiliary supporting member 201 to reset and pop out from the inside of the docking slot 200.

In this embodiment, preferably, the guiding assembly includes guiding grooves 500 symmetrically formed on both sides of the end of the auxiliary supporting member 201 and guiding blocks 501 symmetrically fixed on both sides of the inner wall of the docking groove 200, and the guiding assembly is engaged with the guiding grooves 500 through the guiding blocks 501, so as to play a role in guiding movement of the auxiliary supporting member 201.

In this embodiment, preferably, the sealing and limiting mechanism includes a limiting groove 600 symmetrically arranged at the bottom end of the sealing ring 7 and limiting blocks 601 symmetrically fixed at the top end of the compression pipe 2 opposite to two sides of the connector 5, and the sealing ring 7 can be limited and fixed on the surface of the connector 5 by being clamped and connected with the limiting groove 600 through the limiting blocks 601, so that the sealing ring 7 cannot be driven to rotate when the sleeve is rotationally connected with the connector 5.

The working principle and the using flow of the utility model are as follows: when the expansion type hydraulic packer is required to be connected with the oil pipe 1, the compression pipe 2, the connecting pipe 3 and the lower sleeve 4 are sequentially inserted into the oil pipe 1, so that when the expansion type hydraulic packer is inserted into the surface of the connecting pipe 3, the inner wall of the oil pipe 1 extrudes the auxiliary supporting piece 201 to enable the auxiliary supporting piece 201 to move in the butt joint groove 200, the connecting groove 300 is driven to slide on the surface of the connecting rod 302 through the connecting hole 301 to extrude the expansion spring 400 to deform, meanwhile, the guide groove 500 is driven to slide on the surface of the guide block 501 to play a role of moving guide, the connecting pipe 3 can be fully inserted into the oil pipe 1, after the compression pipe 2 is completely inserted into the oil pipe 1, the expansion type hydraulic packer is stopped to move, the connecting groove 300 is driven to slide and reset on the surface of the connecting rod 302 through the action of the expansion spring 400, and the end part of the auxiliary supporting piece 201 is driven to pop out of the inside the fixing seat 100, the surface of the auxiliary supporting piece 201 is enabled to be in extrusion joint with the inside the oil pipe 1, then the expansion type hydraulic packer is driven to expand the surface of the expansion type hydraulic packer 6 to be in extrusion joint with the surface of the 1, the expansion type hydraulic packer can be driven to extrude and the surface of the connecting sleeve 1 through the guide block 500 to slide on the surface of the guide block 501, and then the expansion type hydraulic packer can be screwed with the end of the expansion type hydraulic packer 5 can be well connected with the auxiliary supporting piece 5 to be connected with the sealing sleeve 5, and the expansion type packer can be connected with the expansion sleeve 1, and the expansion type packer can be conveniently and fixed with the end sleeve 1 can be sealed with the sealing sleeve 5 after the end sleeve is required to be well after the sealing sleeve is sealed with the end 5 is sealed with the sealing sleeve 5 and sealed with the sealing sleeve 5, under the clamping action of the limiting block 601 and the limiting groove 600, the sleeve can be placed to drive the sealing ring 7 to rotate, so that a tight sealing effect is achieved.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein 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. The utility model provides an expansion formula hydraulic pressure packer of quick setting, includes oil pipe (1), the inside of oil pipe (1) is provided with compression pipe (2), the bottom of compression pipe (2) is connected with connecting pipe (3), the bottom of connecting pipe (3) is connected with down sleeve pipe (4), the top of compression pipe (2) is fixed with connector (5), the surface cover of compression pipe (2) is equipped with expansion formula packing element (6), the surface cover of connector (5) is equipped with sealing washer (7), its characterized in that: the surface symmetry of connecting pipe (3) is provided with auxiliary support mechanism, be provided with sealed stop gear between connector (5) and compression pipe (2), auxiliary support mechanism includes:

the fixing component is arranged on the surface of the connecting pipe (3);

the auxiliary supporting component is connected with the fixing component on the surface of the connecting pipe (3);

a connection assembly provided at an end of the auxiliary supporting assembly;

the reset component is arranged inside the connecting component;

2. A quick setting expanding hydraulic packer as in claim 1, wherein: the fixing component comprises fixing seats (100) symmetrically fixed on two sides of the connecting pipe (3).

3. A quick setting expanding hydraulic packer as in claim 1, wherein: the auxiliary support assembly comprises a butt joint groove (200) formed in the end portion of the fixing seat (100) and an auxiliary support (201) arranged on the surface of the connecting pipe (3) and connected with the butt joint groove (200).

4. A quick setting expanding hydraulic packer as in claim 1, wherein: the connecting assembly comprises a connecting groove (300) formed in the end part of the auxiliary supporting piece (201) and a connecting hole (301) penetrating through the inner wall of the connecting groove (300) to the inside of the butt joint groove (200), and a connecting rod (302) penetrating through the inside of the connecting hole (301) and connected with the connecting groove (300) is fixed in the butt joint groove (200).

5. A quick setting expanding hydraulic packer as in claim 1, wherein: the reset assembly comprises a telescopic spring (400) which is arranged in the connecting groove (300) and connected with the connecting rod (302).

6. A quick setting expanding hydraulic packer as in claim 1, wherein: the guide assembly comprises guide grooves (500) symmetrically formed in two sides of the end part of the auxiliary supporting piece (201) and guide blocks (501) symmetrically fixed on two sides of the inner wall of the butt joint groove (200), and the guide blocks (501) are connected with the guide grooves (500) in a clamping mode.

7. A quick setting expanding hydraulic packer as in claim 1, wherein: the sealing limiting mechanism comprises limiting grooves (600) symmetrically formed in the bottom end of the sealing ring (7) and limiting blocks (601) symmetrically fixed on the top end of the compression pipe (2) relative to the two sides of the connector (5), and the limiting blocks (601) are connected with the limiting grooves (600) in a clamping mode.