CN212508208U - Bridge plug structure convenient to installation - Google Patents

Bridge plug structure convenient to installation Download PDF

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Publication number
CN212508208U
CN212508208U CN202020779165.4U CN202020779165U CN212508208U CN 212508208 U CN212508208 U CN 212508208U CN 202020779165 U CN202020779165 U CN 202020779165U CN 212508208 U CN212508208 U CN 212508208U
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CN
China
Prior art keywords
slips
bridge plug
cylinder body
supporting part
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020779165.4U
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Chinese (zh)
Inventor
黄凤娇
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Daqing Guangran Petroleum Technology Development Co ltd
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Individual
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Publication date
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Priority to CN202020779165.4U priority Critical patent/CN212508208U/en
Application granted granted Critical
Publication of CN212508208U publication Critical patent/CN212508208U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a bridging plug structure convenient to installation, including well hydraulic cylinder, supporting part and slips structure, well hydraulic cylinder includes cylinder body and packing element, the packing element sets up on the lateral surface of cylinder body, and packing element and cylinder body fixed connection, the both ends at the cylinder body are installed to the supporting part symmetry, and supporting part and cylinder body fixed connection, the slips structure includes slips and seat head, slips fixed mounting is at the tip of supporting part, and the person of facilitating the use can stable installation use, can shear the purpose that the realization triggered the start seat seal with starting the shear pin after the seat head receives the striking, and the slips at the in-process both ends of seat seal can be to the middle part motion, can expand the slips through the support of supporting part, and the slip piece and the arc sealing strip on the side of slips can inlay on the sleeve pipe inner wall after reaching the certain degree.

Description

Bridge plug structure convenient to installation
Technical Field
The utility model relates to a bridging plug technical field specifically is a bridging plug structure convenient to installation.
Background
The bridge plug is used for sealing an oil and gas well, has the characteristics of few construction procedures, short period and accurate blocking position and is divided into a permanent bridge plug and a removable bridge plug, wherein the permanent bridge plug is conveyed to a preset position of a shaft by a cable or a pipe column, pressure generated by gunpowder blasting, hydraulic setting or mechanical setting tools acts on an upper slip, pulling force acts on a tension rod, the upper slip and the lower slip exert two forces of pressing and pulling on a sealing rubber cylinder through an upper cone and a lower cone, when the pulling force reaches a certain value, the tension rod is broken, a setting tool is separated from the bridge plug, at the moment, a locking device on a central pipe of the bridge plug plays a role, the upper slip and the lower slip are broken and embedded on the inner wall of a casing, the rubber cylinder expands and seals, and setting.
The utility model discloses an inventor discovers, current bridging plug simple structure, and the reliability of the in-process slips seat seal that uses is relatively poor, and the slips surface is sealed the effect also not good in the pipeline extrusion after the bridging plug seat seal simultaneously to traditional bridging plug is slower at the speed of dissolving after taking place electrochemical reaction with the pit shaft salt solution, and subsequent processing operation of reduction that like this can be great reduces the efficiency of operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bridging plug structure convenient to installation aims at improving current bridging plug simple structure, and the reliability of the in-process slips seat seal that uses is relatively poor, and the slips surface is sealed the effect also not good in the pipeline extrusion after the bridging plug seat seal simultaneously to traditional bridging plug is slower at the dissolution rate after taking place electrochemical reaction with the pit shaft salt solution, and subsequent processing operation of reduction that can be great like this reduces the problem of operating efficiency.
The utility model discloses a realize like this:
a bridge plug structure convenient to install comprises a middle hydraulic cylinder, a supporting part and a slip structure, wherein the middle hydraulic cylinder comprises a cylinder body and a rubber cylinder, the rubber cylinder is arranged on the outer side surface of the cylinder body and fixedly connected with the cylinder body, the supporting part is symmetrically arranged at two ends of the cylinder body and fixedly connected with the cylinder body, the slip structure comprises slips and a seat sealing head, the slips are fixedly arranged at the end part of the supporting part, and the seat sealing head is fixedly arranged at the head part of the slips, so that the problems that the existing bridge plug structure is simple, the reliability of slip seat sealing is poor in the using process, meanwhile, the extrusion sealing effect of the slip surface in a pipeline after the bridge plug seat sealing is poor, the dissolving speed of the traditional bridge plug after electrochemical reaction with a shaft saline solution is low, the subsequent processing operation can be greatly reduced, the operation efficiency is reduced are solved, and a user can stably install the supporting part at two ends by setting the cylinder body, simultaneously, the sealing effect during setting is guaranteed through the rubber sleeve, the supporting part is arranged to be a polygonal cone, so that the slips can be conveniently expanded to be used during setting, the purpose of matching the slips with the supporting part is guaranteed through setting of the slip structure, and meanwhile, the purpose of starting the setting through pressing is guaranteed for a user through the seat head.
Furthermore, be provided with a plurality of slips pieces on the side of slips, slips piece and slips fixed connection can be inlayed on the intraductal wall of sleeve after guaranteeing the breakage through setting up to the slips piece.
Further, the head of the slip block is further provided with an arc-shaped sealing strip, the arc-shaped sealing strip is fixedly connected with the slip, and the sealing connection effect between the broken slip block and the inner wall of the sleeve is further improved through the arc-shaped sealing strip.
Furthermore, the glue cylinder is provided with an annular separation groove and a transverse separation groove which are perpendicular to each other, the glue cylinder is conveniently separated into different small blocks through the arrangement of the annular separation groove and the transverse separation groove, and the dissolving efficiency is conveniently improved.
Further, still install the start-up shear pin on the seat head, start-up shear pin and seat head fixed connection guarantee through the structure setting to start the shear pin that equipment can only start the seat after receiving the striking, avoid seat in advance in the installation, cause the unnecessary trouble for the installation.
Furthermore, a bridge plug reaction head is further installed on the right side of the seat sealing head, a reaction shear pin is fixedly installed on the bridge plug reaction head, and the purpose of dissolution after plugging and fracturing are completed is guaranteed through the arrangement of the bridge plug reaction head and the reaction shear pin.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a study traditional bridging plug structure and use, design a bridging plug structure convenient to installation, the installation that the person of facilitating the use can be stable is used, can shear the purpose that the realization triggered start seat seal with starting the shear pin after the seat seal head receives the striking, the slips at the in-process both ends of seat seal can be to the middle part motion, support through the supporting part can prop the slips and expand, slip piece and arc sealing strip on the side of slips can inlay on the sleeve pipe inner wall after reaching the certain degree, the packing element inflation is sealed, accomplish the seat seal, and after shutoff fracturing is accomplished, because well hydraulic cylinder, supporting part and slips structure all adopt magnalium and soluble rubber materials to make, consequently, take place electrochemical reaction with the pit shaft, be convenient for dissolve.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a perspective view of the device of the present invention;
FIG. 2 is a front view of the device of FIG. 1;
FIG. 3 is an enlarged view of a portion of the apparatus A shown in FIG. 2;
FIG. 4 is a schematic view of the slip configuration of FIG. 1.
In the figure: 1. a medium liquid cylinder; 11. a cylinder body; 12. a rubber cylinder; 121. an annular separation groove; 122. a transverse partition groove; 2. a support portion; 3. a slip structure; 31. slips; 311. a slip block; 312. an arc-shaped sealing strip; 32. a seat end enclosure; 321. starting the shear pin; 322. a bridge plug reaction head; 323. and (4) reacting shear pins.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Referring to fig. 1, 2, 3 and 4, a bridge plug structure convenient for installation comprises a middle hydraulic cylinder 1, a support part 2 and a slip structure 3, wherein the middle hydraulic cylinder 1 comprises a cylinder body 11 and a rubber cylinder 12, the support part 2 is installed at two ends of the cylinder body 11 for the user to use stably, meanwhile, the sealing effect during setting is ensured through the rubber cylinder 12, the rubber cylinder 12 is arranged on the outer side surface of the cylinder body 11, the rubber cylinder 12 is fixedly connected with the cylinder body 11, the bridge plug structure convenient for installation is designed through researching the traditional bridge plug structure and the using process, the bridge plug structure convenient for the user to install can be installed and used stably, after a setting head 32 is impacted, a starting shear pin 321 can be sheared to achieve the purpose of triggering the setting, slips 31 at two ends of the setting process can move towards the middle part, the slips 31 can be expanded through the support of the support part 2, when the slip blocks 311 and the arc-shaped sealing strips 312 on the side surfaces of the slips 31 are embedded on the inner wall of the casing after reaching a certain degree, the rubber sleeve 12 expands and seals to complete setting, and after the plugging and fracturing are completed, because the middle hydraulic cylinder 1, the supporting part 2 and the slip structure 3 are all made of magnesium-aluminum alloy and soluble rubber materials, the electrochemical reaction is carried out with the well-bore salt solution to facilitate the dissolution, so that the problems that the existing bridge plug is simple in structure, the reliability of the setting of the slips 31 in the using process is poor, simultaneously, the extrusion sealing effect of the surfaces of the slips 31 in the pipeline after the setting of the bridge plug is poor, the dissolution speed of the traditional bridge plug is slow after the electrochemical reaction with the well-bore salt solution is solved, the subsequent processing operation can be greatly reduced, the operation efficiency is reduced are solved, and the annular separating grooves 121 and the transverse separating grooves 122 are formed on the, the annular separating groove 121 and the transverse separating groove 122 are arranged vertically, and the arrangement of the annular separating groove 121 and the transverse separating groove 122 is convenient for separating the glue cylinder 12 into different small blocks, so that the efficiency in dissolving is improved;
the supporting parts 2 are symmetrically arranged at two ends of the cylinder body 11, the supporting parts 2 are fixedly connected with the cylinder body 11, meanwhile, the supporting parts 2 are arranged to be polygonal cones, so that slips 31 are expanded to be used when in setting, the slip structure 3 comprises slips 31 and a setting head 32, the slips 31 are fixedly arranged at the end part of the supporting parts 2, the setting head 32 is fixedly arranged at the head part of the slips 31, the purpose that the slips 31 are matched with the supporting parts 2 is ensured through the setting of the slips structure 3, the purpose that a user can start setting through pressing is ensured through the setting head 32, a plurality of slip blocks 311 are arranged on the side surface of the slips 31, the slip blocks 311 are fixedly connected with the slips 31, the broken slip blocks 311 can be embedded on the inner wall of the casing pipe through the setting of the slip blocks 311, the head parts of the slip blocks 311 are also provided with arc-shaped sealing strips 312, and the arc-shaped sealing, through further increasing the sealing connection effect of broken back and sleeve pipe inner wall of slip piece 311 to arc sealing strip 312, still install on the seat head 32 and start the shear pin 321, start shear pin 321 and seat head 32 fixed connection, it can start the seat through the structure setting to starting shear pin 321 to guarantee that equipment only receives after the striking to seal, avoid sealing in advance in the installation, cause unnecessary trouble for the installation, bridge plug reaction head 322 is still installed on the right side of seat head 32, fixed mounting has reaction shear pin 323 on the bridge plug reaction head 322, guarantee the purpose that the shutoff fracturing is dissolved after accomplishing through the setting to bridge plug reaction head 322 and reaction shear pin 323.
The device obtained by the design can basically meet the use of a bridge plug structure convenient to install, but the designer further improves the device with the aim of further improving the function of the device.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (6)

1. The utility model provides a bridge plug structure convenient to installation, includes well hydraulic cylinder (1), supporting part (2) and slips structure (3), its characterized in that: well hydraulic cylinder (1) includes cylinder body (11) and packing element (12), packing element (12) set up on the lateral surface of cylinder body (11), and packing element (12) and cylinder body (11) fixed connection, the both ends at cylinder body (11) are installed to supporting part (2) symmetry, and supporting part (2) and cylinder body (11) fixed connection, slips structure (3) include slips (31) and seat head (32), slips (31) fixed mounting is at the tip of supporting part (2), seat head (32) fixed mounting is at the head of slips (31).
2. A bridge plug structure for easy installation according to claim 1, characterized in that a plurality of slip segments (311) are arranged on the side of the slips (31), and the slip segments (311) are fixedly connected with the slips (31).
3. A bridge plug structure for facilitating installation according to claim 2, wherein the head of the slip segment (311) is further provided with an arc-shaped sealing strip (312), and the arc-shaped sealing strip (312) is fixedly connected with the slip (31).
4. A bridge plug structure convenient for installation according to claim 3, wherein the rubber barrel (12) is provided with an annular separation groove (121) and a transverse separation groove (122), and the annular separation groove (121) and the transverse separation groove (122) are arranged perpendicularly to each other.
5. The bridge plug structure convenient to install according to claim 4, wherein a starting shear pin (321) is further installed on the seat head (32), and the starting shear pin (321) is fixedly connected with the seat head (32).
6. The bridge plug structure convenient to install according to claim 5, characterized in that a bridge plug reaction head (322) is further installed on the right side of the seat head (32), and a reaction shear pin (323) is fixedly installed on the bridge plug reaction head (322).
CN202020779165.4U 2020-05-12 2020-05-12 Bridge plug structure convenient to installation Expired - Fee Related CN212508208U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020779165.4U CN212508208U (en) 2020-05-12 2020-05-12 Bridge plug structure convenient to installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020779165.4U CN212508208U (en) 2020-05-12 2020-05-12 Bridge plug structure convenient to installation

Publications (1)

Publication Number Publication Date
CN212508208U true CN212508208U (en) 2021-02-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020779165.4U Expired - Fee Related CN212508208U (en) 2020-05-12 2020-05-12 Bridge plug structure convenient to installation

Country Status (1)

Country Link
CN (1) CN212508208U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113216899A (en) * 2021-06-07 2021-08-06 大庆市晟威机械制造有限公司 High-pressure-resistant soluble bridge plug

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113216899A (en) * 2021-06-07 2021-08-06 大庆市晟威机械制造有限公司 High-pressure-resistant soluble bridge plug
CN113216899B (en) * 2021-06-07 2021-11-16 大庆市晟威机械制造有限公司 High-pressure-resistant soluble bridge plug

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210603

Address after: 163010 Room 201, no.6-3, Hubin teachers garden, high tech Zone, Daqing City, Heilongjiang Province

Patentee after: Daqing Guangran Petroleum Technology Development Co.,Ltd.

Address before: Northeast Petroleum University, No.99 Xuefu street, Daqing hi tech Industrial Development Zone, Heilongjiang Province, 163318

Patentee before: Huang Fengjiao

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210209