CN220979459U

CN220979459U - Anti-creeping packer

Info

Publication number: CN220979459U
Application number: CN202323016490.8U
Authority: CN
Inventors: 赵春新
Original assignee: Mudanjiang Xinxiang Petroleum Machinery Co ltd
Current assignee: Mudanjiang Xinxiang Petroleum Machinery Co ltd
Priority date: 2023-11-09
Filing date: 2023-11-09
Publication date: 2024-05-17
Anticipated expiration: 2033-11-09

Abstract

The utility model discloses an anti-creep packer which comprises a through barrel, an upper end cover and a lower end cover, wherein the upper end cover is sleeved on the outer side face of the through barrel, the lower end cover is sleeved on the lower end of the upper end cover, a limiting clamping rod is arranged on the outer side face of the upper end cover close to the lower end, the lower end of the limiting clamping rod is rotationally connected with the upper end cover, a supporting arm frame is further arranged below the limiting clamping rod, and the supporting arm frame is rotationally connected with the upper end cover. According to the utility model, the one-time use mode of the pin in the traditional packer is improved to be the limit clamping rod which can be repeatedly used, the limit clamping rod and the inner clamping ring can be mutually clamped to realize stable connection during installation, and the limit clamping rod can be ejected to the vertical position through the light frame group during deblocking, so that the operation is very convenient, pin residues are not required to be manufactured, the safety risk in the disassembly and assembly process is reduced, and the packer has the advantages of flexible use and easiness in operation.

Description

Anti-creeping packer

Technical Field

The utility model relates to the technical field of packers, in particular to an anti-creep packer.

Background

A packer is a downhole tool having an elastomeric sealing element and thereby sealing the annulus between various sized strings and the wellbore and between the strings and isolating the production zone for controlling production (injection) fluids and protecting the casing.

The current chinese patent of publication No. CN116335577a discloses an anti-creep packer for injecting CO2, which comprises a penetrating cylinder, wherein the two ends of the penetrating cylinder are respectively provided with an upper joint and a lower joint, one end of the penetrating cylinder, which is close to the upper joint and the lower joint, is respectively provided with an upper baffle cover and a lower baffle cover, one end of the penetrating cylinder, which is close to the upper joint, is also sheathed with an upper end cover, one end of the penetrating cylinder, which is close to the lower joint, is sheathed with a lower end cover matched with the upper end cover, a rubber cylinder is arranged between the upper end cover and the lower end cover, and a locking structure is arranged at the matching part of the upper end cover and the lower end cover.

Aiming at the related technology, the locking pin used by the packer is found to be required to be sheared through the locking teeth in the deblocking process, so that the material of the pin cannot be made of a firm material, hidden danger exists in the stability of the locking stage, and the pin is likely to damage other parts of the packer after the pin is sheared.

Disclosure of utility model

The application provides an anti-creep packer which is used for solving the problems in the background technology.

The utility model is realized in the following way:

The utility model provides an anti-creep packer, includes a section of thick bamboo, upper end cover and lower extreme, the upper end cover is established on a section of thick bamboo lateral surface that link up, the lower extreme of upper end cover is established, the position that the upper end cover lateral surface is close to the lower extreme is provided with the spacing kelly, spacing kelly lower extreme and upper end cover rotate to be connected, the below of spacing kelly still is provided with the support arm frame, the support arm frame rotates with the upper end cover to be connected, be provided with the inner snap ring on the medial surface of lower extreme, inner snap ring and lower extreme integrated into one piece, still install light frame group on the medial surface of lower extreme, offer the spacing spout of the vertical slidable mounting of light frame group on the lower extreme.

Further, the upper end cover comprises an upper ring part and a lower ring part, the lower ring part is coaxially arranged on the lower end face of the upper ring part, the lower ring part and the upper ring part are integrally formed, and the outer diameter of the lower ring part is smaller than that of the upper ring part.

Further, the limit clamping rod comprises an inclined rod and a magnetic suction plate, wherein the magnetic suction plate is arranged at the head of the inclined rod and is fixedly connected with the inclined rod.

Further, a rotating seat for installing the inclined rod is arranged on the outer side face of the lower ring part, the rotating seat is fixedly connected with the lower ring part, and a rubber block is fixedly installed on the outer side face of the lower ring part.

Further, the bracket arm frame comprises a tray seat, a fixed arm and a movable shell, wherein the fixed arm is fixedly arranged on the front end face of the tray seat, and the movable shell is slidably arranged on the fixed arm.

Further, a supporting spring is arranged between the movable shell and the fixed arm, and a torsion spring is also arranged between the disc seat and the lower ring part.

Further, the light frame group comprises a main frame body and a bending slide plate, wherein the bending slide plate is fixedly arranged on one side of the main frame body, and the bending slide plate is slidably arranged in the limiting sliding groove.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the one-time use mode of the pin in the traditional packer is improved to be the limit clamping rod which can be repeatedly used, the limit clamping rod and the inner clamping ring can be mutually clamped to realize stable connection during installation, and the limit clamping rod can be ejected to the vertical position through the light frame group during deblocking, so that the operation is very convenient, pin residues are not required to be manufactured, the safety risk in the disassembly and assembly process is reduced, and the packer has the advantages of flexible use and easiness in operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure in an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a perspective view of the boom shown in FIG. 2;

FIG. 4 is a perspective view of the lightweight frame set of FIG. 2;

Fig. 5 is a perspective view of the stop lever of fig. 2.

In the figure: 1. a through cylinder; 2. an upper end cap; 21. an upper ring portion; 22. a lower ring portion; 221. a rotating seat; 222. a rubber block; 3. a lower end cap; 30. limiting sliding grooves; 4. a limit clamping rod; 41. a diagonal rod; 42. a magnetic suction plate; 5. a boom support; 51. a tray seat; 52. a fixed arm; 521. a support spring; 53. a movable case; 6. an inner snap ring; 7. a lightweight frame set; 71. a main frame; 72. bending the slide plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Referring to fig. 1, fig. 2 and fig. 3, an anti-creep packer comprises a through barrel 1, an upper end cover 2 and a lower end cover 3, wherein the upper end cover 2 is sleeved on the outer side surface of the through barrel 1, the lower end cover 3 is sleeved on the lower end of the upper end cover 2, a limit clamping rod 4 is arranged at a position, close to the lower end, of the outer side surface of the upper end cover 2, the lower end of the limit clamping rod 4 is rotationally connected with the upper end cover 2, a support arm frame 5 is further arranged below the limit clamping rod 4, the support arm frame 5 is rotationally connected with the upper end cover 2, an inner clamping ring 6 is arranged on the inner side surface of the lower end cover 3, the inner clamping ring 6 and the lower end cover 3 are integrally formed, a light frame group 7 is further arranged on the inner side surface of the lower end cover 3, and a limit sliding groove 30 for longitudinally and slidably mounting the light frame group 7 is further arranged on the lower end cover 3. Through improving the CO2 anti-creep packer disclosed in the publication No. CN116335577A, the structure of the locking pin and the locking teeth of the packer is improved into a structure of clamping the limiting clamping rod 4 and the inner clamping ring 6, the limiting clamping rod 4 can be automatically stored in the deblocking process, then the clamping is automatically released from the inner clamping ring 6, the locking pin is not required to be sheared, the safety in the operation process is improved, the light frame group 7 can be driven to synchronously move upwards along the limiting sliding groove 30 in the convenient deblocking process through the setting of the bracket arm frame 5, and the limiting clamping rod 4 is limited in the vertical direction through the inclined plane at the upper end of the light frame group 7, so that the stable separation between the upper end cover 2 and the lower end cover 3 can be realized.

Referring to fig. 1, 2 and 5, the upper end cap 2 includes an upper ring portion 21 and a lower ring portion 22, the lower ring portion 22 is coaxially disposed at a lower end surface of the upper ring portion 21, and the lower ring portion 22 is integrally formed with the upper ring portion 21, and an outer diameter of the lower ring portion 22 is smaller than an outer diameter of the upper ring portion 21. By providing the upper end cap 2 with a structure ensuring that the lower ring portion 22 is provided at the lower end of the upper ring portion 21, the lower end cap 3 can be easily attached by the lower ring portion 22. The limiting clamping rod 4 comprises an inclined rod 41 and a magnetic suction plate 42, the magnetic suction plate 42 is arranged at the head of the inclined rod 41, and the magnetic suction plate 42 is fixedly connected with the inclined rod 41. The magnetic suction plate 42 is fixedly arranged at the head of the inclined rod 41 through the structure of the limit clamping rod 4, so that the inner clamping ring 6 can be conveniently attracted through the magnetic suction plate 42, and stable clamping connection is ensured. The outer side surface of the lower ring part 22 is provided with a rotating seat 221 for installing the inclined rod 41, the rotating seat 221 is fixedly connected with the lower ring part 22, and the outer side surface of the lower ring part 22 is fixedly provided with a rubber block 222. The inclined rod 41 can be conveniently installed and used in a rotating mode through the arrangement of the rotating seat 221, meanwhile, the direction of limiting the inclined rod 41 to be contained through the rubber block 222 is conveniently arranged through the arrangement of the rubber block 222, the inclined rod 41 is guaranteed to be capable of being inclined under the condition that no stress is applied, and therefore the inclined rod 41 can be guaranteed to be used in a deflection clamping mode under the condition that a spring is not installed through the gravity of the inclined rod 41 and the gravity of the magnetic suction plate 42.

Referring to fig. 3, the arm support 5 includes a tray 51, a fixed arm 52, and a movable housing 53, the fixed arm 52 being fixedly mounted on a front end surface of the tray 51, the movable housing 53 being slidably mounted on the fixed arm 52. The fixed arm 52 is guaranteed to be installed through the disc seat 51 through the structure setting of the bracket arm frame 5, the movable shell 53 is easy to install through the fixed arm 52, the movable shell 53 is guaranteed to be used in a sliding adjustment position on the fixed arm 52, the supporting spring 521 is installed between the movable shell 53 and the fixed arm 52, and the torsion spring is also installed between the disc seat 51 and the lower ring portion 22. The movable housing 53 is ensured to be extended from the fixed arm 52 without being subjected to external force by the provision of the support spring 521, and the fixed arm 52 and the movable housing 53 are always in a horizontal state without being subjected to external force by the provision of the torsion spring.

Referring to fig. 4, the light frame set 7 includes a main frame 71 and a bending slide plate 72, the bending slide plate 72 is fixedly installed at one side of the main frame 71, and the bending slide plate 72 is slidably installed in the limit chute 30. The main frame body 71 can be slidably installed in the limit chute 30 through the bending slide plate 72 by arranging the structure of the light frame group 7.

Working principle: when the packing operation is implemented, the upper end and the lower end of the packer are respectively arranged on the oil pipe through threads, the hydraulic anchor is opened after the packer is lowered to the designed depth, the lower end cover of the packer is pressed on the hydraulic anchor, the oil pipe is continuously pressed down, the penetrating cylinder is driven to move downwards, in the process of pressing down the oil pipe, the support arm frame is contacted with the inner clamping ring, the movable shell can be compressed and contained on the fixed arm after the inclined planes of the support arm frame and the inner clamping ring are contacted, then the support arm frame can penetrate through the inner clamping ring, the limiting clamping rod can be attached to the rubber block and move to the lower end of the inner clamping ring in the process of moving downwards, the limiting clamping rod can deflect to the lower end of the inner clamping ring under the neutral effect after penetrating through the inner clamping ring, the magnetic suction plate on the inclined rod can be sucked and fixed with the inner clamping ring by slightly lifting the oil pipe, at the moment, the support arm frame is still in a contracted state, and in the production process, the penetrating cylinder is driven to move upwards and downwards when the pipe column creep occurs, the packer cannot move upwards and downwards;

When the packer is unsealed, the through cylinder and the upper end cover are downwards moved, the bracket arm frame is moved to the lower end of the light frame group, the movable shell pushes out the fixed arm under the action of the supporting spring, the fixed arm can be moved to the lower end of the main frame body, the oil pipe fixing arm is pulled up at the moment to lift the light frame group upwards (the torsion force of the torsion spring on the disc seat is greater than the gravity force of the light frame group at the moment), the limit clamping rod can be pressed on the rubber block through the light frame group, and the purpose of taking out the lower ring part from the lower end cover can be achieved, so that the packer is unsealed.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an anti-creep packer, is including lining up section of thick bamboo (1), upper end cover (2) and bottom end cover (3), upper end cover (2) cover is established on lining up section of thick bamboo (1) lateral surface, bottom end cover (3) cover is established the lower extreme at upper end cover (2), its characterized in that: the utility model discloses a light frame group (3) of a bicycle, including upper end cover (2), lower extreme, lower end, upper end cover (3) and support arm frame (5), upper end cover (2) lateral surface is close to the position of lower extreme and is provided with spacing clamping rod (4), spacing clamping rod (4) lower extreme and upper end cover (2) rotate to be connected, support arm frame (5) rotate with upper end cover (2) to be connected, be provided with on the medial surface of lower end cover (3) interior snap ring (6), interior snap ring (6) and lower end cover (3) integrated into one piece, still install light frame group (7) on the medial surface of lower end cover (3), set up spacing spout (30) of confession light frame group (7) longitudinal sliding installation on lower end cover (3).

2. The anti-creep packer according to claim 1, characterized in that the upper end cover (2) comprises an upper ring part (21) and a lower ring part (22), the lower ring part (22) is coaxially arranged on the lower end surface of the upper ring part (21), the lower ring part (22) and the upper ring part (21) are integrally formed, and the outer diameter of the lower ring part (22) is smaller than the outer diameter of the upper ring part (21).

3. The anti-creep packer according to claim 2, characterized in that the limit clamping rod (4) comprises a diagonal rod (41) and a magnetic suction plate (42), the magnetic suction plate (42) is arranged at the head of the diagonal rod (41), and the magnetic suction plate (42) is fixedly connected with the diagonal rod (41).

4. An anti-creep packer according to claim 3, characterized in that the outer side of the lower ring part (22) is provided with a rotating seat (221) for mounting the inclined rod (41), the rotating seat (221) is fixedly connected with the lower ring part (22), and the outer side of the lower ring part (22) is fixedly provided with a rubber block (222).

5. An anti-creep packer according to claim 4, characterized in that the carrier arm frame (5) comprises a disc seat (51), a fixed arm (52) and a movable housing (53), the fixed arm (52) being fixedly mounted on the front end surface of the disc seat (51), the movable housing (53) being slidably mounted on the fixed arm (52).

6. An anti-creep packer according to claim 5, characterized in that a support spring (521) is mounted between the movable housing (53) and the fixed arm (52), and a torsion spring is also mounted between the disc seat (51) and the lower ring part (22).

7. The anti-creep packer according to claim 6, characterized in that the lightweight frame set (7) comprises a main frame (71) and a bending slide (72), the bending slide (72) is fixedly mounted on one side of the main frame (71), and the bending slide (72) is slidably mounted in a limit chute (30).