CN220248049U

CN220248049U - All-metal packer sealing tool

Info

Publication number: CN220248049U
Application number: CN202321866549.XU
Authority: CN
Inventors: 张庚娟; 张鼎业
Original assignee: Beijing Fuda Xinhui Energy Technology Co ltd
Current assignee: Beijing Fuda Xinhui Energy Technology Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2023-12-26
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses an all-metal packer sealing tool, which relates to the technical field of petroleum packer sealing and comprises a packer body, wherein a sleeve centralizer is arranged on the surface of the packer body, a fixed block is fixedly connected to the surface of the sleeve centralizer, a connector is fixedly connected to one end of the packer body, a connecting seat is fixedly connected to the other end of the packer body, a pipeline is arranged at one end of the connecting seat, and a through hole is formed in the surface of the packer body. According to the utility model, through the mutual matching of the fixed ring, the arc-shaped groove, the connecting block, the spring convex block, the propping spring and the through groove, when the pipeline is required to be disassembled, the fixed ring is driven by the rotating pipeline to move the connecting block, so that the spring convex block and the propping spring are extruded, when the spring convex block and the propping spring are rotated to a proper position, the connecting block is arranged in the through groove, and then the pipeline is pulled out, so that the disassembly is completed, the problem that the pipeline is difficult to disassemble and clean is solved, and the simple disassembly effect is achieved.

Description

All-metal packer sealing tool

Technical Field

The utility model relates to the technical field of petroleum packer sealing, in particular to an all-metal packer sealing tool.

Background

The high-temperature steam injection packer is mainly applied to the section steam injection of the thick oil well. When a thick oil well is used for oil extraction, steam needs to be injected into the well to heat crude oil so as to improve the fluidity of the crude oil. In order to prevent the permeation interference of other layers to an oil layer in the steam injection process, a high-temperature steam injection packer is required to be placed in a production well before the steam injection operation, and after the high-temperature steam injection packer isolates a certain section of the oil layer of the production well from other layers, the steam injection operation is started, and the high-temperature steam injection packer is required to seal the production well when in use. The setting of the high-temperature steam injection packer is realized by heating reactants in the setting cylinder by steam, and then driving the setting cylinder to compress the setting rubber barrel to deform by heating the reactants. Specifically, the setting rubber cylinder is compressed by the hydraulic cylinder to generate radial deformation so as to squeeze the well wall; after the setting rubber cylinder is in sealing contact with the well wall, the high-temperature steam injection packer blocks the mutual penetration of the upper layer and the lower layer, prevents the interference of other layers on the oil layer, and further isolates the other layers from the oil layer. The following problems exist in the prior art:

the problem that the pipeline is difficult to disassemble and clean is caused by the fact that the connection of the pipeline is fixed in the existing all-metal packer sealing tool; meanwhile, the installation and connection of the sleeve centralizer are not concise, so that the problem of more operation steps during installation is caused.

Disclosure of Invention

The utility model provides an all-metal packer sealing tool for solving the problems in the background art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an all-metal packer sealing tool, includes the packer body, the surface of packer body is provided with the sleeve pipe centralizer, the fixed surface of sleeve pipe centralizer is connected with the fixed block, the one end fixedly connected with connector of packer body, the other end fixedly connected with connecting seat of packer body, the one end of connecting seat is provided with the pipeline, the through-hole has been seted up on the surface of packer body.

The inside of connecting seat has been seted up the arc wall, the fixed ring of fixed surface connection of pipeline, the surface of fixed ring is pegged graft with the inside of connecting seat, the fixed ring's fixed surface is connected with the connecting block, the one end of connecting block extends to the inside of arc wall, the surface of connecting block and the inside sliding connection of arc wall.

The technical scheme of the utility model is further improved as follows: the surface of connecting block is provided with the spring lug, the one end fixedly connected with tight spring in top of spring lug, the one end of tight spring in top and the inside fixed connection of arc wall, logical groove has been seted up to one side of arc wall.

By adopting the technical scheme, the spring lug, the ejection spring, the arc-shaped groove and the through groove are matched with each other in the scheme, so that the ejection effect is achieved.

The technical scheme of the utility model is further improved as follows: the surface of connecting block has seted up the recess, the inner wall fixedly connected with protection pad of recess, the one side of protection pad overlaps with the surface overlap joint of spring lug.

By adopting the technical scheme, the protection pad is arranged through the groove in the scheme, so that the protection pad has a protection effect when being jacked up.

The technical scheme of the utility model is further improved as follows: the inside of packer body has seted up the spout, the slot has been seted up to the inside of packer body.

By adopting the technical scheme, the sliding grooves and the slots are matched with each other in the scheme, so that the installation and fixation characteristics are realized.

The technical scheme of the utility model is further improved as follows: the inside sliding connection of spout has the slider, one end of slider and one side fixed connection of sleeve pipe centralizer, one side of sleeve pipe centralizer and the surface overlap joint of packer body, the inside of sleeve pipe centralizer is provided with the screw, the inside swing joint of surface and sleeve pipe centralizer of screw, the inside joint of one end and slot of screw.

By adopting the technical scheme, the sleeve centralizer is fixed through the cooperation of the sliding groove and the screw.

The technical scheme of the utility model is further improved as follows: and sealing rubber is fixedly connected inside the packer body.

By adopting the technical scheme, the sealing rubber is arranged in the scheme, so that the sealing effect is achieved.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides an all-metal packer sealing tool, which adopts the mutual matching of a fixed ring, an arc-shaped groove, a connecting block, a spring lug, a jack spring and a through groove, when a pipeline is required to be disassembled, the fixed ring is driven by a rotating pipeline to move the connecting block, so that the spring lug and the jack spring are extruded, when the connecting block is rotated to a proper position, the connecting block is arranged in the through groove, and then the pipeline is pulled out to complete the disassembly, so that the problem that the pipeline is difficult to disassemble and clean is solved, and the simple disassembly effect is achieved.

2. The utility model provides an all-metal packer sealing tool, which adopts the mutual matching of a chute, a sliding block, a slot, a screw and sealing rubber, and aims at the interior of the chute when a sleeve centralizer is connected, and then the sliding block slides downwards and is inserted into the sleeve centralizer and a packer body through the screw and rotates, so that one end of the screw is clamped into the slot, the problem of more operation steps during installation is solved, and the effects of simple installation steps and simple internal framework are achieved.

Drawings

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

FIG. 2 is a schematic side sectional view of a connecting seat and a pipeline according to the present utility model;

FIG. 3 is a schematic diagram of an enlarged and refined structure at A of the utility model;

FIG. 4 is a schematic view of a cross-sectional installation structure of a casing centralizer and a packer body of the utility model.

In the figure: 1. a packer body; 11. a chute; 12. a slide block; 13. a slot; 14. a screw; 15. sealing rubber; 2. a casing centralizer; 3. a fixed block; 4. a connector; 5. a connecting seat; 51. a fixing ring; 52. an arc-shaped groove; 53. a connecting block; 531. a groove; 532. a protective pad; 54. a spring bump; 55. a spring is tightly propped; 56. a through groove; 6. a pipe; 7. and a through hole.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1-4, the utility model provides an all-metal packer sealing tool, which comprises a packer body 1, wherein a sleeve centralizer 2 is arranged on the surface of the packer body 1, a fixed block 3 is fixedly connected to the surface of the sleeve centralizer 2, one end of the packer body 1 is fixedly connected with a connector 4, the other end of the packer body 1 is fixedly connected with a connecting seat 5, one end of the connecting seat 5 is provided with a pipeline 6, a through hole 7 is formed on the surface of the packer body 1, an arc groove 52 is formed in the connecting seat 5, a fixed ring 51 is fixedly connected to the surface of the pipeline 6, the surface of the fixed ring 51 is spliced with the inside of the connecting seat 5, a connecting block 53 is fixedly connected to the surface of the fixed ring 51, one end of the connecting block 53 extends to the inside of the arc groove 52, the surface of the connecting block 53 is in sliding connection with the inside of the arc groove 52, a spring bump 54 is arranged on the surface of the connecting block 53, one end of the spring bump 54 is fixedly connected with a jack spring 55, one end of the jack spring 55 is fixedly connected with the inside the arc groove 52, and one side of the arc groove 52 is provided with a through groove 56.

In this embodiment, when the pipe 6 needs to be disassembled, the fixing ring 51 is driven by the rotating pipe 6 to move the connection block 53, so that the spring lug 54 and the tightening spring 55 are extruded, the tightening spring 55 is contracted, after the pipe 6 is rotated to a proper position, the connection block 53 is arranged in the through groove 56, then the pipe 6 is pulled out, so that the pipe 6 is conveniently disassembled, the cleaning of the pipe 6 is completed, the casing centralizer 2 can reduce the resistance of the lower packer body 1, avoid sticking the packer, thereby being beneficial to improving the working quality, prolonging the service life of the packer body 1, arranging the through hole 7, discharging internal fluid, preventing the internal blockage, causing the quality damage of the packer body 1, affecting the working progress, when the pipe 6 needs to be installed, the fixing ring 51 is inserted in the through groove 56, the connection block 53 is rotated in the through groove 56, after the pipe 6 is rotated to a proper position, the connection block 53 is pushed into the arc groove 52, the connection block 53 is jacked up by the tightening spring 55 and the spring lug 54, and the through groove 56 are arranged in the arc groove 52, and the arc groove 52 is arranged right below the arc groove 52.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the surface of the connecting block 53 is provided with a groove 531, the inner wall of the groove 531 is fixedly connected with a protection pad 532, and one side of the protection pad 532 is overlapped with the surface of the spring bump 54.

In the present embodiment, the arrangement of the groove 531 and the protection pad 532 provides protection to the spring bump 54 while being pressed against.

Example 3

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the inside of packer body 1 has been seted up spout 11, slot 13 has been seted up to the inside of packer body 1, the inside sliding connection of spout 11 has slider 12, one end of slider 12 and one side fixed connection of sleeve pipe centralizer 2, one side of sleeve pipe centralizer 2 and the surface overlap joint of packer body 1, the inside of sleeve pipe centralizer 2 is provided with screw 14, the inside swing joint of screw 14 and sleeve pipe centralizer 2, the inside joint of one end and slot 13 of screw 14, the inside fixedly connected with sealing rubber 15 of packer body 1.

In this embodiment, the slider 12 is aligned with the inside of the chute 11 during connection of the casing centralizer 2, and then is slid downwards, and then inserted into the casing centralizer 2 and the packer body 1 through the screw 14 and rotated, so that one end of the screw 14 is clamped into the slot 13, thereby performing installation and fixation functions on the casing centralizer. And the sealing rubber 15 is arranged so as to have a sealing effect in use.

The working principle of the all-metal packer sealing tool is specifically described below.

As shown in fig. 1 to 4, when the pipe 6 needs to be disassembled, the fixing ring 51 is driven by rotating the pipe 6 to move the connecting block 53, so that the spring convex block 54 and the pushing spring 55 are extruded, when the pipe 6 rotates to a proper position, the connecting block 53 is arranged in the through groove 56, the pipe 6 is pulled out to complete the disassembly, the sliding block 12 is aligned to the inside of the sliding groove 11 when the casing centralizer 2 is connected, the sliding block slides downwards, and then the sliding block is inserted into the casing centralizer 2 and the packer body 1 through the screw 14 and rotates, so that one end of the screw 14 is clamped in the slot 13, and the installation and the fixation of the sliding block are realized.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. All-metal packer sealing tool, including packer body (1), its characterized in that: the surface of the packer body (1) is provided with a casing centralizer (2), the surface of the casing centralizer (2) is fixedly connected with a fixed block (3), one end of the packer body (1) is fixedly connected with a connector (4), the other end of the packer body (1) is fixedly connected with a connecting seat (5), one end of the connecting seat (5) is provided with a pipeline (6), and the surface of the packer body (1) is provided with a through hole (7);

the inside of connecting seat (5) has seted up arc wall (52), the fixed ring (51) of fixed surface connection of pipeline (6), the surface of fixed ring (51) is pegged graft with the inside of connecting seat (5), the fixed surface connection of fixed ring (51) has connecting block (53), the inside of arc wall (52) is extended to one end of connecting block (53), the inside sliding connection of surface and arc wall (52) of connecting block (53).

2. An all-metal packer sealing tool as claimed in claim 1, wherein: the surface of connecting block (53) is provided with spring lug (54), the one end fixedly connected with tight spring (55) of top of spring lug (54), the one end of tight spring (55) and the inside fixed connection of arc wall (52), logical groove (56) have been seted up to one side of arc wall (52).

3. An all-metal packer sealing tool as claimed in claim 1, wherein: the surface of connecting block (53) has seted up recess (531), the inner wall fixedly connected with protection pad (532) of recess (531), the surface overlap joint of one side and spring lug (54) of protection pad (532).

4. An all-metal packer sealing tool as claimed in claim 1, wherein: the inner part of the packer body (1) is provided with a sliding groove (11), and the inner part of the packer body (1) is provided with a slot (13).

5. An all-metal packer sealing tool as claimed in claim 4, wherein: the inside sliding connection of spout (11) has slider (12), one end of slider (12) and one side fixed connection of sleeve pipe centralizer (2), one side of sleeve pipe centralizer (2) and the surface overlap joint of packer body (1), the inside of sleeve pipe centralizer (2) is provided with screw (14), the inside swing joint of the surface of screw (14) and sleeve pipe centralizer (2), the inside joint of one end and slot (13) of screw (14).

6. An all-metal packer sealing tool as claimed in claim 1, wherein: and sealing rubber (15) is fixedly connected in the packer body (1).