CN216866603U - High-temperature-resistant and wear-resistant sucker rod centralizer - Google Patents
High-temperature-resistant and wear-resistant sucker rod centralizer Download PDFInfo
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- CN216866603U CN216866603U CN202220201053.XU CN202220201053U CN216866603U CN 216866603 U CN216866603 U CN 216866603U CN 202220201053 U CN202220201053 U CN 202220201053U CN 216866603 U CN216866603 U CN 216866603U
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- sucker rod
- oil pumping
- centralizer
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- fixedly connected
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Abstract
The utility model discloses a high-temperature-resistant and wear-resistant sucker rod centralizer, which comprises an oil pumping sucker rod body and an oil pumping sucker rod centralizing mechanism arranged at the top of the oil pumping sucker rod body; the oil pumping sucker rod centering mechanism comprises a central column and a plurality of oil pumping sucker rod centering components, wherein the oil pumping sucker rod centering components are arranged at the edge of the central column in an encircling manner at equal intervals by taking the central line of the central column as an axis center; the oil pumping sucker rod centering assembly comprises an installation shell, and connecting springs which are symmetrically arranged are fixedly connected to the inner wall of the installation shell. According to the high-temperature-resistant and wear-resistant sucker rod centralizer, the sucker rod centralizer is realized through mutual matching of the oil pumping sucker rod body and the oil pumping sucker rod centralizing mechanism, the sucker rod is limited in a rolling connection mode, the wear between the centralizer and a well wall is greatly reduced, and therefore the service life of the centralizer is greatly prolonged.
Description
Technical Field
The utility model relates to the technical field of centralizers, in particular to a high-temperature-resistant and wear-resistant sucker rod centralizer.
Background
Centralizers are generally guide centralizers, which refer to rigid and resilient centralizing frames installed on the outer surface of casing in order to ensure that the running casing string is centered in the wellbore in oil and gas drilling.
As in application No.: CN201920909543.3 discloses a sucker rod centralizer, including centralizer core, centralizer inner tube, fastening thread tooth, screwed pipe and steel ball activity circular slot, the outside of centralizer core is equipped with the centralizer inner tube, is equipped with the rotation chamber on the inside wall of centralizer inner tube, it all is equipped with equidistant steel ball activity circular slot on the inner wall of centralizer core one side to rotate the chamber to keep away from, the inside of steel ball activity circular slot is equipped with the drag reduction steel ball, all be equipped with fastening thread tooth on the lateral wall at centralizer inner tube both ends, and be equipped with the wear-resisting cover of pottery on the centralizer inner tube lateral wall between the adjacent fastening thread tooth, all install equidistant wear-resisting lug of centralizer on the lateral wall of the wear-resisting cover of pottery. The utility model not only improves the convenience of replacing the wear-resistant sleeve of the sucker rod centralizer and reduces the transverse resistance of the sucker rod centralizer in use, but also realizes the corrosion resistance of the sucker rod centralizer.
But the centralizer in the above-mentioned technique adopts the mode of sliding friction to carry out spacing rightting to the beam hanger, causes wearing and tearing to the centralizer very easily to the life of centralizer has been reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the problem that the centralizer in the prior art is easy to wear due to the fact that the centralizer is limited and centered by adopting a sliding friction mode, so that the service life of the centralizer is shortened, the utility model provides the high-temperature-resistant and wear-resistant sucker rod centralizer.
In order to achieve the purpose, the utility model provides the following technical scheme:
a high temperature and abrasion resistant sucker rod centralizer comprising:
the oil pumping rod body and the oil pumping rod centering mechanism are arranged at the top of the oil pumping rod body;
the oil pumping sucker rod centering mechanism comprises a central column and a plurality of oil pumping sucker rod centering components, wherein the oil pumping sucker rod centering components are arranged at the edge of the central column in an encircling manner at equal intervals by taking the central line of the central column as an axis center;
the oil pumping sucker rod centering assembly comprises an installation shell, wherein the connecting springs are arranged on the inner wall of the installation shell in a symmetrical mode and are fixedly connected with one ends of the connecting springs in a symmetrical mode, the other ends of the connecting springs are fixedly connected with a movable plate, the edge of the movable plate is connected with the inner wall of the installation shell in a sliding mode, the movable plate is far away from limit slide rods arranged on one side of the connecting springs in a symmetrical mode, the limit slide rods are far away from one ends of the movable plate and penetrate through the installation shell and extend to the outside of the installation shell, the limit slide rods are far away from one ends of the movable plate and are fixedly connected with the installation shaft, the installation shaft is fixedly connected with two installation shafts arranged on the installation shaft in a symmetrical mode, and the installation shafts are all rotatably connected with limiting support rollers matched with the installation shafts.
Preferably, the surface of the central column is provided with a high-temperature-resistant coating.
Preferably, the bottom of the central column is fixedly provided with a threaded mounting column, and the top of the oil pumping rod body is fixedly connected with a threaded mounting seat matched with the threaded mounting column.
Preferably, the top of the oil pumping rod body is installed on the threaded installation column at the bottom of the central column through a threaded installation seat in a threaded mode.
Preferably, one side of the mounting shell close to the central column is fixedly connected with the side face of the central column.
Preferably, the side face of the mounting shell and the positions corresponding to the two limiting slide bars are provided with limiting slide sleeves matched with the limiting slide bars.
Preferably, the limiting sliding sleeve is connected with the limiting sliding rod in a sliding manner.
Compared with the prior art, the utility model has the following beneficial effects:
according to the high-temperature-resistant and wear-resistant sucker rod centralizer, the sucker rod centralizer is realized through mutual matching of the oil pumping sucker rod body and the oil pumping sucker rod centralizing mechanism, the sucker rod is limited in a rolling connection mode, the wear between the centralizer and a well wall is greatly reduced, and therefore the service life of the centralizer is greatly prolonged.
Drawings
FIG. 1 is a schematic structural view of a high temperature and wear resistant sucker rod centralizer according to the present invention;
FIG. 2 is a schematic top view of the high temperature and wear resistant sucker rod centralizer of the present invention;
FIG. 3 is a schematic structural view of a sucker rod centralizer mechanism of the high temperature and wear resistant sucker rod centralizer of the present invention;
FIG. 4 is a schematic structural view of the center post of the high temperature and wear resistant sucker rod centralizer of the present invention;
FIG. 5 is a schematic view of the internal structure of the sucker rod centralizer assembly of the high temperature and wear resistant sucker rod centralizer of the present invention;
FIG. 6 is a schematic structural view of the sucker rod body of the high temperature and wear resistant sucker rod centralizer of the present invention.
In the figure: 1. an oil pumping rod body; 2. a centering mechanism for the oil pumping rod; 201. a central column; 202. the oil pumping sucker rod centralizing component; 2021. mounting a shell; 2022. a connecting spring; 2023. a movable plate; 2024. a limiting slide bar; 2025. a mounting seat; 2026. installing a shaft; 2027. limiting and supporting the idler wheels; 2011. a threaded mounting post; 2012. a threaded mounting seat; 20241. and a limiting sliding sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-6, a sucker rod centralizer resistant to high temperature and abrasion comprises:
the oil pumping rod centering mechanism comprises an oil pumping rod body 1 and an oil pumping rod centering mechanism 2 arranged at the top of the oil pumping rod body 1;
the oil pumping sucker rod centering mechanism 2 comprises a center column 201 and a plurality of oil pumping sucker rod centering assemblies 202, wherein the plurality of oil pumping sucker rod centering assemblies 202 are arranged at the edge of the center column 201 in an equidistance surrounding manner by taking the center line of the center column 201 as an axis;
the oil pumping rod centering assembly 202 includes a mounting case 2021, the inner wall of the mounting case 2021 is fixedly connected with symmetrically arranged connecting springs 2022, the other ends of the two connecting springs 2022 are fixedly connected through a movable plate 2023, and the edge of the movable plate 2023 is slidably connected with the inner wall of the mounting case 2021, one side of the movable plate 2023 away from the connecting springs 2022 is fixedly connected with symmetrically arranged limiting slide bars 2024, one end of the limiting slide bar 2024 away from the movable plate 2023 movably penetrates through the mounting case 2021 and extends to the outside of the mounting case 2021, one ends of the two limiting slide bars 2024 away from the movable plate 2023 are fixedly connected through a mounting base 2025, the mounting base 2025 is fixedly connected with two symmetrically arranged mounting shafts 2026, and the two mounting shafts 2026 are rotatably connected with limiting support rollers 2027, wherein the mounting shafts are matched with the mounting shafts 2026.
Wherein, one side of the mounting shell 2021 close to the central column 201 is fixedly connected with the side of the central column 201.
By adopting the technical scheme, the oil rod is limited in a rolling connection mode, so that the abrasion between the centralizer and the well wall is greatly reduced, and the service life of the centralizer is greatly prolonged.
As shown in fig. 1-6, the surface of the center post 201 is provided with a high temperature resistant coating.
By adopting the above technical scheme, the corrosion resistance of the central column 201 is increased.
As shown in fig. 1 to 6, a threaded mounting post 2011 is fixed at the bottom of the central post 201, a threaded mounting seat 2012 matched with the threaded mounting post 2011 is fixedly connected to the top of the oil pumping rod body 1, and the top of the oil pumping rod body 1 is threadedly mounted on the threaded mounting post 2011 at the bottom of the central post 201 through the threaded mounting seat 2012.
By adopting the technical scheme, the oil pumping sucker rod centering mechanism 2 is conveniently connected with the oil pumping sucker rod body 1, so that the practicability of the oil pumping sucker rod centering mechanism is improved.
As shown in fig. 1 to 6, the side surface of the mounting shell 2021 and the positions corresponding to the two limit slide bars 2024 are both provided with a limit sliding sleeve 20241 matched with the limit slide bar 2024, and the limit sliding sleeve 20241 is slidably connected with the limit slide bar 2024.
By adopting the technical scheme, the limiting slide bar 2024 is limited, the sliding stability of the limiting slide bar 2024 is improved, and the stability of limiting and righting the oil rod is further improved.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
When the high-temperature-resistant and wear-resistant sucker rod centralizer provided by the utility model is used, an oil pumping sucker rod body 1 to be centralized is arranged on a threaded mounting column 2011 through threads of a threaded mounting seat 2012, when the oil pumping sucker rod body 1 enters an oil well, the oil pumping sucker rod body can be in rolling connection with the inner wall of the oil well through a limiting support roller 2027, and the limiting support roller 2027 is ensured to have telescopic performance through arranging a connecting spring 2022, so that corresponding adjustment can be carried out according to oil wells with different calibers, and the applicability of the centralizer is further improved.
In summary, the following steps: the high-temperature-resistant and wear-resistant sucker rod centralizer consists of an oil pumping sucker rod body 1 and an oil pumping sucker rod centralizing mechanism 2, and solves the problems in the background art.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high temperature resistant stand wear and tear sucker rod centralizer which characterized in that includes:
the oil pumping rod centering mechanism comprises an oil pumping rod body (1) and an oil pumping rod centering mechanism (2) arranged at the top of the oil pumping rod body (1);
the oil pumping sucker rod centering mechanism (2) comprises a center column (201) and a plurality of oil pumping sucker rod centering assemblies (202), wherein the oil pumping sucker rod centering assemblies (202) are arranged at the edge of the center column (201) in an encircling manner at equal intervals by taking the center line of the center column (201) as an axis;
wherein the oil pumping rod centering assembly (202) comprises an installation shell (2021), the inner wall of the installation shell (2021) is fixedly connected with symmetrically arranged connecting springs (2022), the other ends of the two connecting springs (2022) are fixedly connected through a movable plate (2023), the edge of the movable plate (2023) is slidably connected with the inner wall of the installation shell (2021), one side of the movable plate (2023) far away from the connecting springs (2022) is fixedly connected with symmetrically arranged limiting slide bars (2024), one ends of the limiting slide bars (2024) far away from the movable plate (2023) movably penetrate through the installation shell (2021) and extend to the outside of the installation shell (2021), one ends of the two limiting slide bars (2024) far away from the movable plate (2023) are fixedly connected through an installation seat (2025), and the installation seat (2025) is fixedly connected with two symmetrically arranged installation shafts (2026), two install epaxial (2026) all be connected with install epaxial (2026) assorted spacing support roller (2027) of rotation.
2. The high temperature and abrasion resistant sucker rod centralizer of claim 1, wherein: the surface of the central column (201) is provided with a high-temperature resistant coating.
3. The high temperature and abrasion resistant sucker rod centralizer of claim 2, wherein: the bottom of the central column (201) is fixedly provided with a thread mounting column (2011), and the top of the oil pumping sucker rod body (1) is fixedly connected with a thread mounting seat (2012) matched with the thread mounting column (2011).
4. The high temperature and abrasion resistant sucker rod centralizer of claim 3, wherein: the top of the oil pumping sucker rod body (1) is installed on a threaded installation column (2011) at the bottom of the center column (201) through a threaded installation seat (2012) in a threaded mode.
5. The high temperature and abrasion resistant sucker rod centralizer of claim 4, wherein: one side of the mounting shell (2021) close to the central column (201) is fixedly connected with the side surface of the central column (201).
6. The high temperature and abrasion resistant sucker rod centralizer of claim 5, wherein: the side surface of the mounting shell (2021) and the position corresponding to the two limit slide bars (2024) are provided with limit sliding sleeves (20241) matched with the limit slide bars (2024).
7. The high temperature and abrasion resistant sucker rod centralizer of claim 6, wherein: the limiting sliding sleeve (20241) is in sliding connection with the limiting sliding rod (2024).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220201053.XU CN216866603U (en) | 2022-01-25 | 2022-01-25 | High-temperature-resistant and wear-resistant sucker rod centralizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220201053.XU CN216866603U (en) | 2022-01-25 | 2022-01-25 | High-temperature-resistant and wear-resistant sucker rod centralizer |
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| CN216866603U true CN216866603U (en) | 2022-07-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117888834A (en) * | 2024-03-18 | 2024-04-16 | 吉林省大多天盛金属陶瓷技术有限公司 | Oil rod anti-corrosion centralizer with side arm body adjusting function and method |
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2022
- 2022-01-25 CN CN202220201053.XU patent/CN216866603U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117888834A (en) * | 2024-03-18 | 2024-04-16 | 吉林省大多天盛金属陶瓷技术有限公司 | Oil rod anti-corrosion centralizer with side arm body adjusting function and method |
| CN117888834B (en) * | 2024-03-18 | 2024-05-10 | 吉林省大多天盛金属陶瓷技术有限公司 | Oil rod anti-corrosion centralizer with side arm body adjusting function and method |
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