CN215979288U

CN215979288U - Working barrel with positioning sealing tool for deep gas vertical well sand control pipe column

Info

Publication number: CN215979288U
Application number: CN202122062443.1U
Authority: CN
Inventors: 李斌; 张少岳; 汪宁飞
Original assignee: Shaanxi Sanfeng Petroleum Technology Co ltd
Current assignee: Shaanxi Sanfeng Petroleum Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-08
Anticipated expiration: 2031-08-30

Abstract

The utility model belongs to the technical field of oil exploitation, in particular to a working barrel with a positioning and sealing tool for a deep gas vertical well sand control tubular column, which comprises a working barrel body, wherein the bottom end inside the working barrel body is fixedly connected with a limiting supporting ring, the periphery of the inner wall of the limiting supporting ring is fixedly connected with a sealing ring gasket, the middle position of the inner wall of the working barrel body is provided with a positioning groove, the periphery of the inner wall of the upper end of the working barrel body is provided with a plurality of limiting buckle grooves, a hanging and positioning sealing assembly is arranged inside the working barrel body and comprises a sealing shaft, a sealing sleeve and limiting blocks, the periphery of the outer part of the middle position of the sealing shaft is fixedly connected with the sealing sleeve, and the periphery of the outer wall of the upper end of the sealing shaft is fixedly connected with a plurality of limiting blocks, the hanging and positioning sealing assembly is simple to disassemble relative to the working barrel body, the maintenance and the replacement of the hanging and positioning sealing assembly in the future are facilitated, so that the subsequent use of the sand control pipe column is facilitated.

Description

Working barrel with positioning sealing tool for deep gas vertical well sand control pipe column

Technical Field

The utility model belongs to the technical field of oil exploitation, and particularly relates to a working barrel with a positioning sealing tool for a deep gas vertical well sand control tubular column.

Background

At present, the deep gas vertical well mainly adopts a fracturing and well completion integrated process, namely, the deep gas vertical well is directly put into production after fracturing, the process is simple and efficient in construction, the cost is saved, and secondary pollution of a reservoir caused by replacing a pipe column is avoided at the same time, at present, the sand control process pipe column mainly comprises a sand control screen pipe and a screen pipe hanging, positioning and sealing tool arranged in the sand control screen pipe, wherein the screen pipe hanging, positioning and sealing tool can be divided into two types, one type is a hanging device at any position of an oil pipe, the other type is a preset working barrel positioning, sealing and hanging device which has the characteristics of simplicity and high efficiency and is the first choice of the sand control process, but the preset working barrel positioning, sealing and hanging device in the existing sand control screen pipe also has the problem that the hanging, positioning and sealing tool inside the working barrel is inconvenient to disassemble and assemble relative to the working barrel in the use process, and the hanging, positioning and sealing tool is difficult to disassemble and replace, inconvenience is brought to subsequent use of the sand control pipe column.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the working barrel with the positioning sealing tool for the deep gas vertical well sand control tubular column, and the working barrel has the characteristics of simplicity in disassembly and assembly and convenience in use.

In order to achieve the purpose, the utility model provides the following technical scheme: a working barrel with a positioning and sealing tool for a deep gas vertical well sand control pipe column comprises a working barrel body, wherein the bottom end inside the working barrel body is fixedly connected with a limiting supporting ring, and the periphery of the inner wall of the limit supporting ring is fixedly connected with a sealing ring gasket, a positioning groove is arranged at the middle position of the inner wall of the working barrel body, a plurality of limit buckle grooves are arranged on the periphery of the inner wall of the upper end of the working barrel body, a suspension positioning sealing assembly is arranged inside the working barrel body, the suspension positioning sealing assembly comprises a sealing shaft, a sealing sleeve and limiting blocks, the sealing sleeve is fixedly connected to the periphery of the middle part of the sealing shaft, the limiting blocks are fixedly connected to the periphery of the outer wall of the upper end of the sealing shaft, and a crack groove is formed between the sealing shaft and the limiting block, one side of the upper end of the limiting block is fixedly connected with a limiting buckle block, and the end part of the upper end of the limiting block is fixedly connected with a shifting block.

As a preferred technical scheme of the working barrel with the positioning sealing tool for the deep gas vertical well sand control tubular column, the bottom end of the sealing shaft penetrates through the limiting support ring, the periphery of the bottom of the sealing shaft is attached to the upper end of the limiting support ring, and the sealing ring gasket is an elastic component and is in elastic contact with the outer wall of the periphery of the bottom of the sealing shaft.

As the preferable technical scheme of the working barrel with the positioning sealing tool for the deep gas vertical well sand control tubular column, the sealing sleeve is an elastic component and is elastically clamped with the positioning groove.

As the preferable technical scheme of the working barrel with the positioning and sealing tool for the deep gas vertical well sand control tubular column, the limiting block is an elastic component and is elastically attached to the inner wall of the working barrel body, the limiting buckle block is elastically clamped with the limiting buckle groove, and the limiting buckle block and the limiting buckle groove are both of arc structures.

As the preferable technical scheme of the working barrel with the positioning sealing tool for the deep gas vertical well sand control tubular column, the thickness of the shifting block is smaller than the thickness of the upper end of the limiting block.

As the preferable technical scheme of the working barrel with the positioning sealing tool for the deep gas vertical well sand control tubular column, the section of the positioning groove is of an arc-shaped structure.

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

when the utility model is used, the periphery of the bottom of the sealing shaft can be lifted and limited by the limiting supporting ring, the limiting supporting ring and the sealing shaft can be elastically sealed by the sealing ring gasket, then the sealing shaft in the working cylinder can be centrally positioned by elastically clamping the positioning groove and the sealing sleeve, and the working cylinder can be elastically sealed with the sealing shaft, thereby ensuring the sealing and sealing effect of the working cylinder, meanwhile, the periphery of the upper part of the sealing shaft can be limited by downwards sliding and elastically buckling the limiting buckle block at one side of the upper end of the limiting block in the limiting buckle groove, so that the hanging and positioning sealing component in the working cylinder is difficult to move up and down, left and right, so as to be convenient for the sealing and the use of the working cylinder and the hanging and positioning sealing component, the limiting buckle block and the limiting buckle groove can be separated from each other by inwards shifting the shifting block, and then the hanging and positioning sealing component is lifted relative to the working cylinder, can will hang location seal assembly and take out from the inside of working barrel to hang location seal assembly's further maintenance change, the result of use preferred.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the suspension positioning seal assembly of the present invention in a disassembled state;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 4 is an enlarged schematic view of a portion B of fig. 2.

In the figure: 1. a sand control screen pipe; 2. a working barrel body; 3. a limiting supporting ring; 4. a sealing ring gasket; 5. a positioning groove; 6. a limit buckle slot; 7. suspending a positioning seal assembly; 8. a seal shaft; 9. sealing sleeves; 10. a limiting block; 11. a limit buckle block; 12. shifting blocks; 13. and (5) cracking the groove.

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.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a working barrel with a positioning and sealing tool for a deep gas vertical well sand control tubular column comprises a working barrel body 2, wherein the bottom end inside the working barrel body 2 is fixedly connected with a limiting supporting ring 3, the periphery of the inner wall of the limiting supporting ring 3 is fixedly connected with a sealing ring pad 4, a positioning groove 5 is formed in the middle position of the inner wall of the working barrel body 2, the section of the positioning groove 5 is of an arc structure, the side view section of the positioning groove 5 is arc-shaped, the whole body is annularly formed, in addition, a plurality of limiting buckle grooves 6 are formed in the periphery of the inner wall of the upper end of the working barrel body 2, a hanging and positioning sealing assembly 7 is arranged inside the working barrel body 2, the hanging and positioning sealing assembly 7 comprises a sealing shaft 8, a sealing sleeve 9 and a limiting block 10, the periphery of the middle position of the sealing shaft 8 is fixedly connected with a sealing sleeve 9, the sealing sleeve 9 is an elastic component and is elastically clamped with the positioning groove 5, wherein, the sealing sleeve 9 is made of elastic rubber material, a plurality of limit blocks 10 are fixedly connected with the periphery of the outer wall of the upper end of the sealing shaft 8, the limit blocks 10 are elastic components and are elastically jointed with the inner wall of the working cylinder barrel 2, wherein, the limit blocks 10 are made of elastic metal material, a crack groove 13 is arranged between the sealing shaft 8 and the limit blocks 10, wherein, the limit blocks 10 are convenient for the elastic movement relative to the sealing shaft 8 through the crack groove 13, one side of the upper end of the limit blocks 10 is fixedly connected with a limit buckle block 11, the limit buckle block 11 is elastically clamped with the limit buckle groove 6, and the limit buckle block 11 and the limit buckle groove 6 are both arc-shaped structures, wherein, the limit buckle block 11 is convenient for the elastic connection between the limit blocks 10 and the working cylinder barrel 2, when in specific use, the periphery of the bottom of the sealing shaft 8 can be lifted and limited through the limit supporting ring 3, and the sealing ring 3 and the sealing shaft 8 can be elastically sealed through the sealing ring cushion 4, then the positioning groove 5 is elastically clamped with the sealing sleeve 9, the sealing shaft 8 in the working cylinder body 2 can be centered and positioned, the working cylinder body 2 and the sealing shaft 8 can be elastically sealed, thereby ensuring the sealing and sealing effect of the working barrel body 2, meanwhile, the limiting block 11 at one side of the upper end of the limiting block 10 slides downwards and is elastically buckled in the limiting buckle groove 6, the periphery of the upper part of the sealing shaft 8 can be limited, so that the suspension positioning sealing component 7 in the working barrel body 2 is not easy to move up, down, left and right, and the working barrel body 2 and the suspension positioning sealing component 7 are convenient to be used for sealing, moreover, the hanging, positioning and sealing component 7 is simple to disassemble and assemble relative to the working barrel body 2, is convenient to overhaul and replace in the future, has better use effect, therefore, the sand control pipe column can be better used, and the content which is not described in detail in the embodiment is the prior art.

Specifically, the upper end tip fixedly connected with shifting block 12 of stopper 10, and the thickness of shifting block 12 is less than the upper end thickness of stopper 10, make shifting block 12 not contact with 2 inner walls of working barrel body each other, so that shifting block 12 is inwards detained, when specifically using, shifting block 12 is inwards stirred to the accessible, make

spacing knot piece

11 and 6 alternate segregation of spacing catching groove, then lift relative working barrel body 2 and hang location seal assembly 7, can take out the inside of hanging location seal assembly 7 from working barrel body 2, so that hang the further maintenance change of location seal assembly 7, the result of use preferred.

The utility model has the following use flow and working principle: when the sand control screen tube is used, a working barrel body 2 is fixed inside a sand control screen tube 1 in advance, then a hanging and positioning sealing assembly 7 is installed relative to the working barrel body 2, firstly, a sealing shaft 8 is inserted downwards relative to the working barrel body 2, the periphery of the bottom of the sealing shaft 8 is lifted and limited through a limiting support ring 3, the limiting support ring 3 and the sealing shaft 8 are elastically sealed through a sealing ring gasket 4 on the periphery of the inner wall of the limiting support ring 3, then, the sealing shaft 8 in the working barrel body 2 is centrally positioned through elastic clamping of a positioning groove 5 and a sealing sleeve 9 on the periphery of the outer wall of the middle position of the sealing sleeve 9, the working barrel body 2 and the sealing shaft 8 are elastically sealed, then, a limiting buckle block 11 on one side of the upper end of a limiting block 10 on the periphery of the outer wall of the upper end of the sealing shaft 8 slides downwards and is elastically buckled in a limiting buckle groove 6, the periphery of the upper part of the sealing shaft 8 is limited, thereby fixedly installing the hanging and positioning sealing component 7 inside the working barrel body 2, then putting the working barrel body 2 with the hanging and positioning sealing component 7 and the sand control screen pipe 1 into a preset position in a well and correspondingly using the same, in the using process of the sand control screen pipe, sealing and isolating the bottom end of the working barrel body 2 through the sealing ring gasket 4, sealing and isolating the middle position of the working barrel body 2 through the sealing sleeve 9, ensuring the sealing and isolating effect of the working barrel body 2, meanwhile, the hanging and positioning sealing component 7 inside the working barrel body 2 is difficult to move up, down, left and right through the limiting buckle block 11 and the limiting buckle groove 6 which are elastically buckled, so that the working barrel body 2 and the hanging and positioning sealing component 7 can be conveniently used for isolating, the using effect is better, the limiting buckle block 11 and the limiting buckle groove 6 can be separated from each other by inwards shifting the shifting block 12 in the future, then lift relative working barrel 2 and hang location seal assembly 7, can take out the inside of hanging location seal assembly 7 from working barrel 2 to hang the further maintenance change of location seal assembly 7, the result of use preferred.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a deep gas vertical well sand control tubular column is with working barrel that has location sealing tool, includes working barrel (2), its characterized in that: the inner bottom end of the working barrel body (2) is fixedly connected with a limiting supporting ring (3), the periphery of the inner wall of the limiting supporting ring (3) is fixedly connected with a sealing ring pad (4), a positioning groove (5) is formed in the middle position of the inner wall of the working barrel body (2), a plurality of limiting buckle grooves (6) are formed in the periphery of the inner wall of the upper end of the working barrel body (2), a hanging and positioning sealing assembly (7) is arranged in the working barrel body (2), the hanging and positioning sealing assembly (7) comprises a sealing shaft (8), a sealing sleeve (9) and limiting blocks (10), a sealing sleeve (9) is fixedly connected to the periphery of the middle position of the sealing shaft (8), a plurality of limiting blocks (10) are fixedly connected to the periphery of the upper end outer wall of the sealing shaft (8), and a crack groove (13) is formed between the sealing shaft (8) and the limiting blocks (10), the limiting buckle block (11) is fixedly connected to one side of the upper end of the limiting block (10), and the shifting block (12) is fixedly connected to the end portion of the upper end of the limiting block (10).

2. The working barrel with the positioning sealing tool for the deep gas vertical well sand control pipe column according to claim 1, is characterized in that: the bottom of sealed axle (8) runs through spacing filler ring (3) and the bottom of sealed axle (8) is laminated with the upper end of spacing filler ring (3) all around each other, sealed ring pad (4) be elastic component and with the bottom of sealed axle (8) outer wall elastic contact all around.

3. The working barrel with the positioning sealing tool for the deep gas vertical well sand control pipe column according to claim 1, is characterized in that: the sealing sleeve (9) is an elastic component and is elastically clamped with the positioning groove (5).

4. The working barrel with the positioning sealing tool for the deep gas vertical well sand control pipe column according to claim 1, is characterized in that: the limiting block (10) is an elastic component and is elastically attached to the inner wall of the working barrel body (2), and the limiting buckle block (11) is elastically clamped with the limiting buckle groove (6) and the limiting buckle block (11) and the limiting buckle groove (6) are both arc-shaped structures.

5. The working barrel with the positioning sealing tool for the deep gas vertical well sand control pipe column according to claim 1, is characterized in that: the thickness of the shifting block (12) is smaller than the thickness of the upper end of the limiting block (10).

6. The working barrel with the positioning sealing tool for the deep gas vertical well sand control pipe column according to claim 3, is characterized in that: the section of the positioning groove (5) is of an arc-shaped structure.