CN220203851U

CN220203851U - Casing damage well thin-wall pipe patch device

Info

Publication number: CN220203851U
Application number: CN202321860498.XU
Authority: CN
Inventors: 马欣; 栾学玉; 李连杰; 王强
Original assignee: Shandong Sitong Petroleum Technology Development Co ltd
Current assignee: Shandong Sitong Petroleum Technology Development Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2023-12-19
Anticipated expiration: 2033-07-17

Abstract

The utility model relates to the technical field of casing damage well repairing, and particularly discloses a casing damage well thin-wall pipe repairing device which comprises a connecting shaft, wherein a first notch is formed in the lower side of the outer surface of the connecting shaft, a supporting rod is hinged to the inner side of the first notch, an electromagnetic ring is fixedly connected to the lower side of the outer surface of the connecting shaft, the lower end of the electromagnetic ring is fixed with the supporting rod in a magnetic attraction mode, an expansion pipe is arranged on the outer surface of the upper end of the supporting rod, the expansion pipe is conical, expansion grooves are formed in the outer surface of the expansion pipe, the number of the expansion grooves is in a plurality of groups and is distributed in an annular mode, and clamping blocks are fixedly connected to the upper side of the outer surface of the expansion pipe. The utility model provides a through setting up expansion pipe, shutoff pipe, fixed bench subassembly, the shutoff pipe stretches into the expansion pipe inboard and makes the expansion pipe inflation fixed to realize the quick location installation of shutoff pipe, very big improvement the stability of shutoff pipe installation when having improved the cover and having damaged well patch efficiency, and then the effectual quality that has improved the patch.

Description

Casing damage well thin-wall pipe patch device

Technical Field

The utility model relates to the technical field of casing damage well patch, in particular to a casing damage well thin-wall pipe patch device.

Background

The casing damage well is a well with damaged casing, is generally classified according to the nature and degree of casing damage, and is divided into four types of casing deformation well, casing fracture well, casing fault Duan Jing and casing leakage well, and casing damage well management, casing damage well repair, casing damage well windowing sidetracking and casing damage well sealing reinforcement are required during the maintenance and management of the casing damage well;

when the sleeve damage well is repaired, according to different repair modes of the type of the sleeve damage well, the existing sleeve damage well repairing device is complex in construction procedures and inconvenient to operate, the construction difficulty is high, and the construction cost is increased to a certain extent;

the existing patent (bulletin number: CN 206376784U) discloses a sleeve damage self-expansion rubber patch device which is used for repairing a sleeve damage well casing of a long section of a production well and comprises a plugging base pipe, wherein sealing upper clamping grooves and sealing lower clamping grooves are respectively arranged on the outer walls of the upper part and the lower part of the plugging base pipe.

For above-mentioned problem, current patent gives the solution, but it is through the expansion rubber circle water inflation to the cover damage well seal, and the water in the well can strike the expansion rubber circle in long-time flow process, leads to the expansion rubber circle to slide along the cover damage well inner wall easily and causes the shutoff base tube to produce the dislocation to cause the secondary of subsidy position to reveal, further increased the prosthetic degree of difficulty of subsidy.

Therefore, a sleeve damage well thin-wall pipe patching device is provided.

Disclosure of Invention

The utility model aims to provide a sleeve damage well thin-wall pipe patching device, which can solve the problem that the existing patching device is unstable in connection of plugging pipes.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sleeve damage well thin wall pipe patch device, includes the connecting axle, notch one has been seted up to connecting axle surface downside, notch one inboard articulates there is the die-pin, connecting axle surface downside fixedly connected with electromagnetic ring, electromagnetic ring lower extreme is fixed with the die-pin magnetism, die-pin upper end surface is provided with the expansion pipe, the expansion pipe is coniform, the expansion groove has been seted up to the expansion pipe surface, the quantity of expansion groove is a plurality of groups and is annular distribution, expansion pipe surface upside fixedly connected with fixture block one, expansion pipe surface downside fixedly connected with fixture block two, the expansion pipe inboard is provided with the shutoff pipe, the shutoff pipe is located the connecting axle outside.

Preferably, the first notch is in a cross-shaped structure, the number of the supporting rods is four groups and is distributed in an annular shape, and the first clamping block and the second clamping block are distributed in an annular shape.

Preferably, the connecting shaft is movably connected with a supporting plate on the outer surface, the connecting shaft penetrates through the upper end and the lower end of the supporting plate, and the outer surface of the upper end of the supporting plate is rotationally connected with a sleeve.

Preferably, the inner surface of the sleeve is fixedly connected with a fixing plate, and the connecting shaft penetrates through the upper end and the lower end of the fixing plate and is in spiral transmission connection with the fixing plate.

Preferably, the supporting plate is positioned on the upper side of the plugging tube, and the diameter of the supporting plate is larger than that of the plugging tube.

Preferably, the connecting shaft outer surface is fixedly connected with a fixing seat, the connecting shaft outer surface is slidably connected with a sliding seat, a notch II is symmetrically formed in the sliding seat and the outer surface of the fixing seat, and a connecting rod is hinged to the inner side of the notch II.

Preferably, the connecting rod is hinged with a pushing plate on one side far away from the notch II, the pushing plate is arc-shaped, and the number of the connecting rod and the pushing plate is four groups and distributed annularly.

Preferably, the outer surface of the upper end of the fixed seat is fixedly connected with a spring, the upper end of the spring is fixedly connected with the sliding seat, and the spring is positioned at the outer side of the connecting shaft.

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

1. according to the quick positioning and mounting method, the expansion pipe, the plugging pipe and the fixed bench component are arranged, the plugging pipe stretches into the inner side of the expansion pipe to expand and fix the expansion pipe, so that the quick positioning and mounting of the plugging pipe are realized, the mounting stability of the plugging pipe is greatly improved while the casing damage well repairing efficiency is improved, and the repairing quality is further effectively improved;

2. this application extrudes the shutoff pipe through setting up subassemblies such as push pedal, connecting rod, sliding seat at the in-process of shutoff pipe installation through the push pedal to make shutoff pipe and expansion pipe laminating inseparabler, effectually improved the leakproofness of being connected between shutoff pipe and the expansion pipe, help carrying out quick patch to the cover damage well and restore.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall structural view of the present utility model;

FIG. 2 is a diagram showing two structural views of the supporting rod and the clamping block of the present utility model;

FIG. 3 is a top view of the overall structure of the present utility model;

fig. 4 is a cross-sectional view taken along line A-A in fig. 3 in accordance with the present utility model.

Reference numerals illustrate:

1. plugging the pipe; 2. an expansion tube; 3. a clamping block I; 4. an expansion tank; 5. a clamping block II; 6. a supporting plate; 7. a sleeve; 8. a connecting shaft; 9. a supporting rod; 10. an electromagnetic ring; 11. a notch I; 12. a sliding seat; 13. a push plate; 14. a connecting rod; 15. a spring; 16. a fixing plate; 17. a notch II; 18. a fixing seat.

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 4, the present utility model provides a technical solution:

the utility model provides a sleeve damage well thin wall pipe patch device, includes even axle 8, even axle 8 surface downside has seted up notch one 11, notch one 11 inboard articulates there is die-pin 9, even axle 8 surface downside fixedly connected with electromagnetic ring 10, electromagnetic ring 10 lower extreme is fixed with die-pin 9 magnetism, die-pin 9 upper end surface is provided with expansion pipe 2, expansion pipe 2 is coniform, expansion groove 4 has been seted up to expansion pipe 2 surface, expansion groove 4's quantity is a plurality of groups and is annular distribution, expansion pipe 2 surface upside fixedly connected with fixture block one 3, expansion pipe 2 surface downside fixedly connected with fixture block two 5, expansion pipe 2 inboard is provided with shutoff pipe 1, shutoff pipe 1 is located even axle 8 outsides.

The first notch 11 is of a cross-shaped structure, the number of the supporting rods 9 is four, the supporting rods are distributed in an annular mode, and the first clamping block 3 and the second clamping block 5 are distributed in an annular mode.

Through adopting above-mentioned technical scheme, when carrying out the cover and damaging the well restoration, at first carry out magnetism through electromagnetic ring 10 and inhale fixedly to die-pin 9, then support expansion pipe 2 through die-pin 9, then remove expansion pipe 2 to the damage department of thin wall pipe through connecting axle 8 and die-pin 9, then along with expansion pipe 2's inflation, fixture block one 3 and fixture block two 5 are with expansion pipe 2 block to the inner wall of cover and damage the well and are fixed expansion pipe 2, expansion tank 4 can help the abundant inflation of expansion pipe 2.

Specifically, as shown in fig. 4, the outer surface of the connecting shaft 8 is movably connected with a supporting plate 6, the connecting shaft 8 penetrates through the upper end and the lower end of the supporting plate 6, and the outer surface of the upper end of the supporting plate 6 is rotatably connected with a sleeve 7.

The inner surface of the sleeve 7 is fixedly connected with a fixed plate 16, and the connecting shaft 8 penetrates through the upper end and the lower end of the fixed plate 16 and is in screw transmission connection with the fixed plate 16.

The supporting plate 6 is positioned on the upper side of the plugging tube 1, and the diameter of the supporting plate 6 is larger than that of the plugging tube 1.

Through adopting above-mentioned technical scheme, after expansion pipe 2 carries the assigned position, the operator is at first with the axle 8 centre gripping fixed and then clockwise rotation sleeve pipe 7, sleeve pipe 7 can be connected at the axle 8 surface of rotating the in-process through fixed plate 16 with axle 8 screw drive and remove, sleeve pipe 7 can drive the synchronous downshift of layer board 6 at the in-process that removes, can promote the synchronous removal of shutoff pipe 1 after the outer surface of layer board 6 lower extreme contacts with shutoff pipe 1, the in-process that the shutoff pipe 1 moved in to expansion pipe 2 makes expansion pipe 2 extrusion expansion, the shutoff pipe 1 can be fixed with expansion pipe 2 block under the pressure effect of expansion pipe 2 simultaneously, thereby realize the installation location of expansion pipe 2 fast.

Specifically, as shown in fig. 4, the outer surface of the connecting shaft 8 is fixedly connected with a fixing seat 18, the outer surface of the connecting shaft 8 is slidably connected with a sliding seat 12, a second notch 17 is symmetrically formed on the outer surface of the sliding seat 12 and the outer surface of the fixing seat 18, and a connecting rod 14 is hinged to the inner side of the second notch 17.

The push plate 13 is hinged to one side, far away from the second notch 17, of the connecting rod 14, the push plate 13 is arc-shaped, and the number of the connecting rod 14 and the push plate 13 is four groups and distributed annularly.

The outer surface of the upper end of the fixed seat 18 is fixedly connected with a spring 15, the upper end of the spring 15 is fixedly connected with the sliding seat 12, and the spring 15 is positioned at the outer side of the connecting shaft 8.

Through adopting above-mentioned technical scheme, along with the continuation of layer board 6 moves down, push pedal 13 can contact with slide holder 12 upper end and promote slide holder 12 and slide down along connecting axle 8, slide holder 12 moves the in-process cooperation fixing base 18 compresses spring 15, simultaneously along with slide holder 12 and fixing base 18's distance dwindles gradually, connecting rod 14 can promote push pedal 13 to the one side of keeping away from connecting axle 8, push pedal 13 extrudees expansion to shutoff pipe 1 in the in-process that removes, thereby make shutoff pipe 1 and expansion pipe 2 laminate more closely, the effectual fastness that has improved the shutoff pipe 1 and expansion pipe 2, after shutoff pipe 1 shutoff is put in place, rotate sleeve pipe 7 anticlockwise, fixed plate 16 gradually moves up along connecting axle 8 this moment, slide holder 12 upwards radian resets under spring 15's effect, push pedal 13 and shutoff pipe 1 internal surface break away from the contact afterwards, then power off with the electromagnetic ring 10, the support rod 9 is along notch 11 inboard rotation and is the vertical state of loss, afterwards take out the complete well's of the subsides of connecting axle 8 from inside the shutoff pipe 1.

Working principle: the expansion pipe 2 is supported by the supporting rods 9, the expansion pipe 2 is moved to the damaged part of the thin-wall pipe by the connecting shaft 8 and the supporting rods 9, the sleeve 7 is in spiral transmission connection with the connecting shaft 8 through the fixing plate 16 and can move on the surface of the connecting shaft 8 in the rotating process, the sleeve 7 can drive the supporting plate 6 to move downwards synchronously in the moving process, when the outer surface of the lower end of the supporting plate 6 contacts with the plugging pipe 1, the plugging pipe 1 can be pushed to move synchronously, the plugging pipe 1 is extruded and expanded to the expansion pipe 2 in the moving process, the first clamping block 3 and the second clamping block 5 clamp the expansion pipe 2 to the inner wall of a sleeve damage well to fix the expansion pipe 2, the push plate 13 can contact with the upper end of the sliding seat 12 and push the sliding seat 12 to slide downwards along the connecting shaft 8 along with the continuous downward movement of the supporting plate 6, the fixed seat 18 is matched with the fixed seat 18 to compress the spring 15 in the moving process of the sliding seat 12, meanwhile, the connecting rod 14 gradually reduces the distance between the sliding seat 12 and the fixed seat 18, and the push plate 13 pushes the plugging pipe 1 to expand to the side away from the connecting shaft 8 in the moving process, so that the plugging pipe 1 is extruded and tightly attached to the plugging pipe 2.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a cover decreases well thin wall pipe patch device, includes connecting axle (8), its characterized in that: notch one (11) has been seted up to axle (8) surface downside, notch one (11) inboard articulates there is die-pin (9), axle (8) surface downside fixedly connected with electromagnetic ring (10), electromagnetic ring (10) lower extreme is fixed with die-pin (9) magnetism, die-pin (9) upper end surface is provided with expansion pipe (2), expansion pipe (2) are circular cone form, expansion groove (4) have been seted up to expansion pipe (2) surface, expansion groove (4)'s quantity is a plurality of groups and be annular distribution, expansion pipe (2) surface upside fixedly connected with fixture block one (3), expansion pipe (2) surface downside fixedly connected with fixture block two (5), expansion pipe (2) inboard is provided with shutoff pipe (1), shutoff pipe (1) are located the axle (8) outside.

2. The casing damage well thin-wall pipe patching device according to claim 1, wherein: the first notch (11) is of a cross-shaped structure, the number of the supporting rods (9) is four groups, the supporting rods are distributed in an annular mode, and the first clamping blocks (3) and the second clamping blocks (5) are distributed in an annular mode.

3. The casing damage well thin-wall pipe patching device according to claim 2, wherein: the connecting shaft (8) is movably connected with the supporting plate (6) on the outer surface, the connecting shaft (8) penetrates through the upper end and the lower end of the supporting plate (6), and the sleeve (7) is rotatably connected with the outer surface of the upper end of the supporting plate (6).

4. A casing damage well thin-walled pipe patching device according to claim 3, wherein: the inner surface of the sleeve (7) is fixedly connected with a fixed plate (16), and the connecting shaft (8) penetrates through the upper end and the lower end of the fixed plate (16) and is in spiral transmission connection with the fixed plate (16).

5. The casing damage well thin-wall pipe patching device of claim 4, wherein: the support plate (6) is positioned on the upper side of the plugging tube (1), and the diameter of the support plate (6) is larger than that of the plugging tube (1).

6. The casing damage well thin-wall pipe patching device of claim 5, wherein: the connecting shaft is characterized in that a fixing seat (18) is fixedly connected to the outer surface of the connecting shaft (8), a sliding seat (12) is slidably connected to the outer surface of the connecting shaft (8), a notch II (17) is symmetrically formed in the outer surface of the sliding seat (12) and the outer surface of the fixing seat (18), and a connecting rod (14) is hinged to the inner side of the notch II (17).

7. The casing damage well thin-wall pipe patching device of claim 6, wherein: the push plate (13) is hinged to one side, far away from the notch II (17), of the connecting rod (14), the push plate (13) is arc-shaped, and the number of the connecting rod (14) and the number of the push plate (13) are four groups and are distributed annularly.

8. The casing damage well thin-wall pipe patching device of claim 7, wherein: the outer surface of the upper end of the fixed seat (18) is fixedly connected with a spring (15), the upper end of the spring (15) is fixedly connected with the sliding seat (12), and the spring (15) is positioned at the outer side of the connecting shaft (8).