Packer convenient for well cementation

Abstract

The utility model provides a packer facilitating well cementation, which relates to the technical field of well cementation equipment and comprises a packer body, a plurality of fixing seats are arranged on the periphery of the packer body, supporting plates are arranged on the peripheries of the fixing seats, an adjusting assembly is arranged between the fixing seats and the supporting plates, the adjusting assembly comprises a driving box, and the driving box is arranged on the periphery of the packer body. A cavity for installing a driving box is formed in the fixing base, a channel is formed in the fixing base, a threaded rod is arranged on the outer side of the driving box, and the position of a supporting plate can be flexibly adjusted through the design of an adjusting assembly so that the oil extraction operation requirements of different borehole sizes and depths can be met; the stability and reliability of the supporting plate in the moving process are guaranteed, the phenomenon of deviation or shaking is prevented, the friction force between the supporting plate and the well wall is increased through the protruding blocks fixedly connected to the outer side of the supporting plate, and stable positioning of the packer body in the well is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of cementing equipment technology, and in particular to a packer that facilitates cementing. Background Technology

[0002] Packers, which facilitate cementing, are key downhole tools used in oil and gas well production. Their main function is to seal the annular space between the tubing and the wellbore or between the tubing and the wellbore using elastic sealing elements, thereby isolating the producing layer, controlling fluid production or injection, protecting the casing, and improving oil production efficiency. They are widely used in cementing, well completion, and well workover operations and are important equipment to ensure the safe and efficient production of oil and gas wells.

[0003] Currently, when performing some cementing operations, it is often necessary to use packers that facilitate cementing. However, existing packers that facilitate cementing are inconvenient to fix and have limited adjustment functions when fixed, making it difficult to adapt to the needs of different well diameters and depths. Therefore, we propose a packer that facilitates cementing. Utility Model Content

[0004] The purpose of this invention is to provide a packer that facilitates cementing, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A packer for easy cementing includes a packer body, with multiple fixing seats arranged around the periphery of the packer body, and support plates arranged around the fixing seats. An adjustment assembly is arranged between the multiple fixing seats and the support plates.

[0007] The adjustment assembly includes a drive box, the fixed base has a cavity for installing the drive box, the fixed base has a channel, and the drive box has a threaded rod on its outer side, which is threadedly connected to a support sleeve.

[0008] As a preferred embodiment of this utility model, each of the multiple fixed seats is fixedly connected to a mounting seat at its top and bottom, and the mounting seat is bolted to the packer body.

[0009] The technical advantage of adopting the above-mentioned further solution is that it facilitates installation and disassembly.

[0010] As a preferred embodiment of this utility model, multiple protrusions are fixedly connected to the outer sides of the multiple support plates.

[0011] The technical advantage of adopting the above-mentioned further solution is that when the support plate abuts against the well wall, the multiple protrusions increase the friction between the support plate and the well wall, which helps to stabilize the packer body in the well.

[0012] As a preferred embodiment of this utility model, the channel is connected to the chamber, and the other end of the channel passes through the housing of the fixed base.

[0013] As a preferred embodiment of this utility model, the top and bottom of the channel are symmetrically provided with limiting grooves.

[0014] As a preferred embodiment of this utility model, the top and bottom of the support sleeve are provided with limit sliders and located in the limit groove, and the other end of the support sleeve is fixedly connected to the support plate.

[0015] The technical effect of adopting the above-mentioned further solution is that by using the limit slider and the limit groove together, not only is the movement trajectory of the support sleeve restricted, but it is also prevented from deviating or shaking, and the stability and reliability of the structure are enhanced.

[0016] As a preferred embodiment of this utility model, a driven gear is provided inside the drive box, and the driven gear is meshed with a driving gear.

[0017] As a preferred embodiment of this utility model, a drive motor is provided inside the drive box, the output end of the drive motor is connected to the driving gear, and one end of the threaded rod is connected to the driven gear.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] In this invention, the fixed base is securely connected to the packer body via bolts through the mounting base. Support plates are provided around the fixed base, and adjustment components are installed between multiple fixed bases and support plates. The support plates and fixed bases are connected and adjusted via these components. Through the coordinated use of these adjustment components, the support plates can abut against the well wall when needed, thereby effectively fixing the packer body. The design of the adjustment components allows for flexible adjustment of the support plate position to adapt to the oil production needs of different well sizes and depths. The cooperation of the limiting groove and limiting slider ensures the stability and reliability of the support plate during movement, preventing displacement or swaying. Furthermore, multiple protrusions fixedly connected to the outer side of the support plate increase the friction with the well wall, contributing to the stable positioning of the packer body downhole. Attached Figure Description

[0020] Figure 1 A schematic diagram of the overall structure of a packer for facilitating cementing provided by this utility model;

[0021] Figure 2 A schematic diagram of the internal structure of the fixing seat of a packer for easy cementing provided by this utility model;

[0022] Figure 3An enlarged schematic diagram of the structure of area A of a packer for easy cementing provided by this utility model;

[0023] Figure 4 This utility model provides a schematic diagram of the internal structure of the drive box of a packer for easy cementing.

[0024] Legend: 1. Packer body; 201. Fixing seat; 2011. Mounting seat; 3. Support plate; 301. Protrusion; 4. Adjustment assembly; 401. Drive box; 4011. Driven gear; 4012. Drive gear; 402. Chamber; 403. Channel; 4031. Limiting groove; 404. Threaded rod; 405. Support sleeve; 4051. Limiting slider; 406. Drive motor. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0026] To facilitate understanding of this utility model, a more comprehensive description of this utility model will be provided below with reference to relevant embodiments, and several embodiments of this utility model will be given. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this utility model more thorough and complete.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] Example 1:

[0030] like Figure 1-4As shown, this utility model provides a technical solution: a packer for easy cementing, including a packer body 1. Multiple fixing seats 201 are arranged around the periphery of the packer body 1. Mounting seats 2011 are fixedly connected to the top and bottom of each fixing seat 201. The mounting seats 2011 are bolted to the packer body 1 to ensure the stability and detachability of the overall structure. Support plates 3 are arranged around each fixing seat 201. Adjustment components 4 are arranged between the fixing seats 201 and the support plates 3. A chamber 402 for mounting a drive box 401 is opened inside the fixing seat 201. A channel 403 is opened inside the fixing seat 201. A threaded rod 404 is arranged on the outside of the drive box 401. A support sleeve 405 is threadedly connected to the threaded rod 404. A driven gear is arranged inside the drive box 401. 4011, driven gear 4011 is meshed with driving gear 4012, drive box 401 is equipped with drive motor 406, drive motor 406 output end is connected to driving gear 4012, threaded rod 404 one end is connected to driven gear 4011. Drive motor 406 is the power source, its output end is connected to driving gear 4012. When drive motor 406 starts, driving gear 4012 starts to rotate, and transmits power to driven gear 4011 and threaded rod 404 through gear meshing. Through the threaded connection between threaded rod 404 and support sleeve 405, the extension and retraction adjustment of support sleeve 405 is realized. The movement of support sleeve 405 drives support plate 3 to move. Support plate 3 moves outward and abuts against well wall, thereby fixing packer body 1 in well hole.

[0031] Example 2:

[0032] like Figure 1-4 As shown, this utility model provides a technical solution: a packer for easy cementing, wherein multiple support plates 3 are fixedly connected to the outer sides of multiple protrusions 301, the multiple protrusions 301 fixedly connected to the outer sides of the support plates 3 increase the friction between the support plates 3 and the well wall, which helps the packer body 1 to be stably positioned downhole, the channel 403 is connected to the chamber 402, the other end of the channel 403 passes through the housing of the fixed base 201, and the top and bottom of the channel 403 are symmetrically provided with limiting grooves 4031, and the top and bottom of the support sleeve 405 are provided with limiting sliders 4. 051 is located within the limiting groove 4031. The other end of the support sleeve 405 is fixedly connected to the support plate 3. Within the limiting groove 4031 symmetrically opened at the top and bottom of the channel 403, the limiting sliders 4051 set at the top and bottom of the support sleeve 405 can slide smoothly. This not only restricts the movement trajectory of the support sleeve 405, but also prevents it from deviating or shaking, and enhances the stability and reliability of the structure. At the same time, the cooperation between the limiting slider 4051 and the limiting groove 4031 also plays a guiding role, making the extension and retraction of the support sleeve 405 more stable and precise.

[0033] It should be noted that the packer body 1 of this application belongs to the prior art, and its external sealing structure is above or below the fixed seat 201, which does not affect the adjustment component 4 to adjust the position of the support plate 3.

[0034] The working process of this utility model is as follows: When using a packer that facilitates cementing, multiple fixed seats 201 are provided around the periphery of the packer body 1. Support plates 3 are provided around the fixed seats 201. An adjustment component 4 is provided between the multiple fixed seats 201 and the support plates 3. The support plates 3 and the fixed seats 201 are connected and adjusted through the adjustment component 4. Mounting seats 2011 are fixedly connected to the top and bottom of the fixed seats 201. The mounting seats 2011 are firmly connected to the packer body 1 through bolts to ensure the stability and disassembly of the overall structure. The adjustment component 4 is mainly composed of a drive box 401, a threaded rod 404, a support sleeve 405, etc. The drive box 401 is equipped with a drive motor 406, a drive gear 4012, and a driven gear 4011. When the drive motor 406 starts, the drive gear 4012 begins to rotate, transmitting power to the driven gear 4011 through gear meshing, which in turn drives the threaded rod 404 to rotate. The threaded rod 404 is threadedly connected to the support sleeve 405, so the rotation of the threaded rod 404 is converted into the extension and retraction of the support sleeve 405. The other end of the support sleeve 405 is fixedly connected to the support plate 3, so the extension and retraction of the support sleeve 405 will drive the support plate 3 to move. When the support plate 3 moves outward, it will abut against the well wall, thereby providing pressure on the packer body 1. The packer is fixed in the wellbore. Within the limiting grooves 4031 symmetrically opened at the top and bottom of the channel 403, the limiting sliders 4051 set at the top and bottom of the support sleeve 405 can slide smoothly. The cooperation between the limiting grooves 4031 and the limiting sliders 4051 not only restricts the movement trajectory of the support sleeve 405 and prevents it from deviating or shaking, but also enhances the stability and reliability of the structure. In addition, the multiple protrusions 301 fixedly connected to the outside of the support plate 3 increase the friction between the support plate 3 and the well wall, which helps to stabilize the packer body 1 in the well.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A packer for easy cementing, comprising a packer body (1), characterized in that: The packer body (1) is provided with multiple fixed seats (201) around its periphery, and a support plate (3) is provided around each fixed seat (201). An adjustment component (4) is provided between the multiple fixed seats (201) and the support plate (3). The adjustment component (4) includes a drive box (401), a chamber (402) for installing the drive box (401) is provided inside the fixed base (201), a channel (403) is provided inside the fixed base (201), a threaded rod (404) is provided on the outside of the drive box (401), and a support sleeve (405) is threadedly connected to the threaded rod (404).

2. A packer for easy cementing according to claim 1, characterized in that: Each of the multiple fixed seats (201) has a mounting seat (2011) fixedly connected to its top and bottom, and the mounting seat (2011) is bolted to the packer body (1).

3. A packer for easy cementing according to claim 1, characterized in that: Multiple protrusions (301) are fixedly connected to the outer side of each of the multiple support plates (3).

4. A packer for easy cementing according to claim 1, characterized in that: Multiple protrusions (301) are fixedly connected to the outer side of each of the multiple support plates (3).

5. A packer for easy cementing according to claim 1, characterized in that: The channel (403) has symmetrically provided limit grooves (4031) at the top and bottom.

6. A packer for easy cementing according to claim 5, characterized in that: The support sleeve (405) is provided with limit sliders (4051) at the top and bottom and is located in the limit groove (4031). The other end of the support sleeve (405) is fixedly connected to the support plate (3).

7. A packer for easy cementing according to claim 1, characterized in that: The drive box (401) is provided with a driven gear (4011), which is meshed with a drive gear (4012).

8. A packer for easy cementing according to claim 7, characterized in that: The drive box (401) is equipped with a drive motor (406), the output end of which is connected to the drive gear (4012), and one end of the threaded rod (404) is connected to the driven gear (4011).

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