CN211598600U

CN211598600U - Removable bridge plug

Info

Publication number: CN211598600U
Application number: CN201922412822.1U
Authority: CN
Inventors: 方建洋; 李宝; 朱晓亚; 曹兆国; 陈明
Original assignee: FUNING COUNTY HONGDA PETROCHEMICAL MACHINERY CO LTD
Current assignee: FUNING COUNTY HONGDA PETROCHEMICAL MACHINERY CO LTD
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-09-29
Anticipated expiration: 2029-12-29

Abstract

The utility model discloses a can get formula bridging plug, including last centrum, it has last slips to go up centrum one side welded fastening, and goes up the centrum inboard and be provided with embedded dismouting subassembly, it has a packing element to go up slips opposite side welded fastening, and the packing element inboard is provided with soluble self-heating subassembly, packing element one side is provided with down the centrum, and just down centrum opposite side welded fastening has lower slips, the slips opposite side is provided with the direction head down. This can get formula bridging plug, it is inboard to be fixed in the connecting cylinder with embedded fretwork section of thick bamboo through external screw thread and internal thread rotation, through the embedded fretwork section of thick bamboo of changing different apertures, the narrowest aperture of adjustable this bridging plug, the flexibility and the practicality of using this bridging plug are improved, the inboard of external fixation bobbin bracket is closely laminated with the outside that can the sol, the inside heater strip ohmic heating of external fixation bobbin bracket, can heat the inside soluble glue of packing element, the getting rid of realization bridging plug block structure that can be more convenient, the convenience of using this bridging plug is improved.

Description

Removable bridge plug

Technical Field

The utility model relates to a bridging plug technical field specifically is a can get formula bridging plug.

Background

The bridge plug is used for oil and gas well sealing, has the characteristics of few construction procedures, short period and accurate clamping position, and is divided into a permanent bridge plug and a removable bridge plug, wherein the permanent bridge plug is formed in the early stage of 80 years.

Bridge plug on the market, inside aperture can not adjust as required, because impurity such as silt, silt easily enters into inside the bridge plug, inside the bridge plug need carry out professional brill and lead to the processing, is not convenient for get rid of the shutoff effect of bridge plug, and the process of boring through the bridge plug is comparatively complicated, the comparatively complicated problem of operation process, for this reason, we propose a formula of can getting bridge plug.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can get formula bridging plug to solve the bridging plug on the market that proposes in the above-mentioned background art, inside aperture can not adjust according to the use needs, because impurity such as silt, silt easily enter inside the bridging plug, inside the bridging plug need carry out professional brill and lead to the processing, is not convenient for get rid of the shutoff effect of bridging plug, and the process of boring through the bridging plug is comparatively complicated, the comparatively complicated problem of operation process.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can get formula bridging plug, includes the last centrum, go up centrum one side welded fastening and have last slips, and go up the centrum inboard and be provided with embedded dismouting subassembly, go up slips opposite side welded fastening and have a packing element, and the packing element inboard is provided with soluble self-heating subassembly, packing element one side is provided with down the centrum, and just down centrum opposite side welded fastening has slips down, the slips opposite side is provided with the direction head down.

Preferably, the embedded dismounting assembly comprises a connecting cylinder, an external thread, an internal thread and an embedded hollow cylinder, the external thread is arranged inside the connecting cylinder, the internal thread is arranged on the inner side of the external thread, and the embedded hollow cylinder is arranged on the inner side of the internal thread.

Preferably, the shape structure of external screw thread and the shape structure of internal thread coincide completely, and embedded fretwork section of thick bamboo constitutes the dismantlement structure through external screw thread and internal thread and connecting cylinder.

Preferably, the soluble self-heating assembly comprises an external fixing barrel frame, a heating wire and sol, the heating wire penetrates through the inside of the external fixing barrel frame, and the sol is arranged on the inner side of the external fixing barrel frame.

Preferably, the heating wires are uniformly distributed in a ring shape on the inner side of the outer fixing barrel frame, and the inner side of the outer fixing barrel frame is tightly attached to the outer side of the sol.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses it is inboard to be fixed in the connecting cylinder with embedded fretwork section of thick bamboo through external screw thread and internal thread rotation, through the embedded fretwork section of thick bamboo of changing different apertures, the narrowest aperture of adjustable this bridging plug improves the flexibility and the practicality of using this bridging plug.

2. The utility model discloses the inboard of external fixation bobbin cradle closely laminates with the outside that can the sol, and the inside heater strip ohmic heating of external fixation bobbin cradle can heat the inside soluble glue of packing element, and the removal of realization bridging plug block structure that can be more convenient improves the convenience of using this bridging plug.

Drawings

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

fig. 2 is the overall full-section structure schematic diagram of the utility model.

In the figure: 1. a superior vertebral body; 2. the slips are put on; 3. a dismounting component is embedded; 301. a connecting cylinder; 302. an external thread; 303. an internal thread; 304. a hollow cylinder is embedded; 4. a rubber cylinder; 5. a soluble self-heating component; 501. an external fixed barrel frame; 502. heating wires; 503. dissolving the sol; 6. the inferior vertebral body; 7. a slip is put down; 8. a guide head.

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. 1-2, the present invention provides a technical solution: a removable bridge plug comprises an upper cone 1, an upper slip 2, an embedded dismounting component 3, a connecting cylinder 301, an external thread 302, an internal thread 303, an embedded hollow cylinder 304, a rubber cylinder 4, a soluble self-heating component 5, an external fixing cylinder frame 501, a heating wire 502, a soluble rubber 503, a lower cone 6, a lower slip 7 and a guide head 8, wherein the upper slip 2 is welded and fixed on one side of the upper cone 1, the embedded dismounting component 3 is arranged on the inner side of the upper cone 1, the embedded dismounting component 3 comprises the connecting cylinder 301, the external thread 302, the internal thread 303 and the embedded hollow cylinder 304, the external thread 302 is arranged in the connecting cylinder 301, the internal thread 303 is arranged on the inner side of the external thread 302, the embedded hollow cylinder 304 is arranged on the inner side of the internal thread 303, the shape structure of the external thread 302 is completely matched with the shape structure of the internal thread 303, and the embedded hollow cylinder 304 forms a dismounting structure with the, an embedded hollow cylinder 304 is rotationally fixed on the inner side of a connecting cylinder 301 through an external thread 302 and an internal thread 303, the narrowest pore diameter of the bridge plug can be adjusted by replacing the embedded hollow cylinder 304 with different pore diameters, the flexibility and the practicability of using the bridge plug are improved, the other side of an upper slip 2 is fixedly welded with a rubber cylinder 4, the inner side of the rubber cylinder 4 is provided with a soluble self-heating component 5, the soluble self-heating component 5 comprises an external fixing cylinder frame 501, a heating wire 502 and a soluble glue 503, the internal part of the external fixing cylinder frame 501 is penetratingly provided with the heating wire 502, the internal side of the external fixing cylinder frame 501 is provided with the soluble glue 503, the heating wire 502 is annularly and uniformly distributed on the internal side of the external fixing cylinder frame 501, the internal side of the external fixing cylinder frame 501 is tightly attached to the external side of the soluble glue 503, the heating wire 502 in the external fixing cylinder frame 501 is electrified and heated, the soluble glue 503 in the rubber cylinder 4 can, the convenience of using the bridge plug is improved, a lower cone 6 is arranged on one side of the rubber cylinder 4, a lower slip 7 is fixedly welded on the other side of the lower cone 6, and a guide head 8 is arranged on the other side of the lower slip 7.

The working principle is as follows: for the removable bridge plug, an upper slip 2 is welded and fixed on one side of an upper vertebral body 1, an embedded dismounting component 3 is arranged on the inner side of the upper vertebral body 1, an embedded hollow cylinder 304 is rotationally fixed on the inner side of a connecting cylinder 301 through an external thread 302 and an internal thread 303, the narrowest aperture of the bridge plug can be adjusted by replacing the embedded hollow cylinder 304 with different apertures, the flexibility and the practicability of the bridge plug are improved, a rubber cylinder 4 is welded and fixed on the other side of the upper slip 2, a soluble self-heating component 5 is arranged on the inner side of the rubber cylinder 4, a heating wire 502 in an external fixing cylinder frame 501 is electrified and heated, a sol 503 in the rubber cylinder 4 can be heated, the removal of a bridge plug plugging structure can be more conveniently realized, the convenience of using the bridge plug is improved, a lower vertebral body 6 is arranged on one side of the rubber cylinder 4, a lower slip 7 is welded and fixed on the other side of the lower vertebral body 6, a guide head 8, the entire use of the removable bridge plug is thus completed.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A removable bridge plug comprising a superior vertebral body (1), characterized in that: go up centrum (1) one side welded fastening and have last slips (2), and go up centrum (1) inboard and be provided with embedded dismouting subassembly (3), go up slips (2) opposite side welded fastening and have packing element (4), and packing element (4) inboard is provided with soluble self-heating subassembly (5), packing element (4) one side is provided with down centrum (6), and down centrum (6) opposite side welded fastening has slips (7) down, slips (7) opposite side is provided with direction head (8) down.

2. A removable bridge plug according to claim 1, wherein: the embedded dismounting assembly (3) comprises a connecting cylinder (301), an external thread (302), an internal thread (303) and an embedded hollow cylinder (304), the external thread (302) is arranged inside the connecting cylinder (301), the internal thread (303) is arranged on the inner side of the external thread (302), and the embedded hollow cylinder (304) is arranged on the inner side of the internal thread (303).

3. A removable bridge plug according to claim 2, wherein: the shape structure of the external thread (302) is completely matched with that of the internal thread (303), and the embedded hollow cylinder (304) and the connecting cylinder (301) form a disassembly structure through the external thread (302) and the internal thread (303).

4. A removable bridge plug according to claim 1, wherein: the soluble self-heating component (5) comprises an external fixing barrel frame (501), a heating wire (502) and soluble glue (503), wherein the heating wire (502) penetrates through the internal part of the external fixing barrel frame (501), and the inner side of the external fixing barrel frame (501) is provided with the soluble glue (503).

5. A removable bridge plug according to claim 4, wherein: the heating wires (502) are uniformly distributed in a ring shape on the inner side of the outer fixing barrel frame (501), and the inner side of the outer fixing barrel frame (501) is tightly attached to the outer side of the collosol (503).