Petroleum underground oil displacement device

By using a main frame connected by load-bearing ropes in the oil underground oil-draining device, combined with the rotary cleaning of the nozzle air flush and the cleaning brush, the problem of impurities bonding in the oil conveying pipeline is solved, and an efficient and clean and safe oil transfer process is achieved.

CN223293704UActive Publication Date: 2025-09-02SOUTHWEST PETROLEUM UNIV
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Patent Information

Application Number
CN202422847547.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-09-02
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Existing oil conveying pipelines are prone to impurities bonding after long-term use, resulting in low dredging efficiency and safety hazards.

Method used

A petroleum underground oil discharging device is designed, including a main frame, a sliding mechanism, a cleaning mechanism and an exhaust mechanism. It is connected by a load-bearing rope and is cleaned by a nozzle No. 1 and No. 2, and is rotatably cleaned with a cleaning brush to improve the pipe cleaning efficiency.

Benefits of technology

It realizes efficient cleaning of oil conveying pipelines, improves oil transfer efficiency, and reduces the safety hazards of manual dredging.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223293704U_ABST
    Figure CN223293704U_ABST
Patent Text Reader

Abstract

The utility model belongs to the field of oil displacement devices, and provides a petroleum underground oil displacement device which comprises a main body frame. The main body mechanism is fixedly arranged on the main body frame; the sliding mechanism is fixedly arranged on the side wall of the main body frame and is used for sliding when the main body frame is conveyed; the sweeping mechanism is rotationally arranged on the side wall of the main body frame and used for sweeping the oil conveying pipeline; the inflating mechanism is fixedly arranged on the side wall of the main body frame; according to the cleaning device, the main body frame can be conveniently connected and used through the bearing rope when being used, and power supply, air supply and fixed connection conveying are facilitated through the bearing rope, and a plurality of first sprayers and second sprayers are fixedly connected to the outer side wall of the main body frame, so that when the main body frame is cleaned, the cleaning efficiency is improved. The petroleum conveying pipeline is cleaned through air flushing of the first spray heads and the second spray heads, then rotary cleaning is conducted through the cleaning brush, and therefore the purpose of efficient cleaning of the petroleum conveying pipeline is achieved, and the petroleum conveying efficiency of the petroleum pipeline is improved.
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Description

Technical Field

[0001] The utility model belongs to the field of oil displacement devices, in particular to a downhole oil displacement device. Background Art

[0002] A downhole oil displacement device is an important device used to enhance oil recovery. It can drive and collect oil underground. A downhole oil displacement device is a device specially designed for use in the oil extraction process. Its main function is to drive oil out of the reservoir through a specific mechanism or technology and guide it to the bottom of the oil well for subsequent collection and processing.

[0003] Oil displacement devices usually drive and transport the extracted oil through pipelines. However, after long-term use of oil pipelines, impurities are prone to sticking to the inner walls of the pipelines, resulting in reduced oil pipeline transportation efficiency. Currently, most of the work is done manually, which not only has low efficiency but also poses certain safety hazards.

[0004] Therefore, those skilled in the art have proposed a downhole oil displacement device to solve the problems raised in the background art. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a downhole oil displacement device to solve the problems of low dredging efficiency of oil pipelines in the prior art.

[0006] A downhole oil displacement device comprises: a main frame, used for cleaning oil pipelines; a main mechanism, fixedly arranged on the main frame, used for connecting the main frame for transportation; a sliding mechanism, fixedly arranged on the side wall of the main frame, used for sliding the main frame during transportation; a cleaning mechanism, rotatably arranged on the side wall of the main frame, used for cleaning oil pipelines; and an air flushing mechanism, fixedly arranged on the side wall of the main frame, used for flushing and clearing oil pipelines.

[0007] Preferably, the main body mechanism includes a load-bearing rope fixedly arranged on the top of the main body frame, and a buffer frame is slidably arranged on the bottom of the main body frame.

[0008] Preferably, the sliding mechanism includes several supporting frames fixedly arranged on the side walls of the main frame, a rotating shaft is rotatably arranged at one end of the supporting frame, and a connecting rod is rotatably arranged on the supporting frame through the rotating shaft; a fixing bolt is screwed on the rotating shaft, and a roller is rotatably arranged on the end of the connecting rod away from the rotating shaft.

[0009] Preferably, the cleaning mechanism includes a rotating ring rotatably arranged on the side wall of the main frame, and a cleaning brush is fixedly arranged on the outer wall of the rotating ring; limiting grooves are provided on the upper and lower sides of the rotating ring, and the rotating ring is rotatably arranged on the outer wall of the main frame through several limiting grooves.

[0010] Preferably, the cleaning mechanism also includes a motor fixedly arranged inside the main frame, a plurality of support frames are fixedly arranged on the side wall of the motor, and the motor is fixedly arranged in the main frame through the plurality of support frames; a driven gear is fixedly arranged on the inner wall of the rotating ring, a connecting groove is opened inside the main frame, a driving gear is fixedly arranged at the output end of the motor, and the driving gear passes through the connecting groove and engages with the driven gear.

[0011] Preferably, the air injection mechanism includes several No. 2 nozzles fixedly arranged on the side wall of the main frame, and several No. 1 nozzles are fixedly arranged on the side wall of the main frame above the several No. 2 nozzles; and protective frames are fixedly arranged above the several No. 1 and No. 2 nozzles.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The utility model is provided with a load-bearing rope connected to the top of the main frame, so that when the main frame is in use, it is convenient to connect and use the load-bearing rope, and it is convenient to supply power, gas and fixedly connect and transport through the load-bearing rope. In addition, a plurality of No. 1 nozzles and No. 2 nozzles are fixedly connected to the outer wall of the main frame, so that when the main frame is cleaned, the oil pipeline is first cleaned by flushing air through the No. 1 nozzles and No. 2 nozzles, and then the cleaning brush is used for rotational cleaning, thereby achieving the purpose of efficiently cleaning the oil pipeline and improving the oil transportation efficiency of the oil pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the overall structural diagram of the oil displacement device of the utility model;

[0015] Figure 2 This is a working structure diagram of the oil displacement device of the utility model;

[0016] Figure 3 This is a diagram of the connection structure of the support frame of the present utility model;

[0017] Figure 4 This is a diagram of the cleaning brush drive structure of the present utility model;

[0018] Figure 5 This is a diagram of the connection structure of the cleaning brush of the present utility model.

[0019] In the picture:

[0020] 1. Load-bearing rope; 2. Main frame; 3. Support frame; 4. Cleaning brush; 5. Nozzle No. 1; 6. Nozzle No. 2; 7. Buffer frame; 8. Protective frame; 9. Roller; 10. Rotating shaft; 11. Fixing bolt; 12. Connecting rod; 13. Rotating ring; 14. Connecting groove; 15. Driven gear; 16. Motor; 17. Support frame; 18. Driving gear; 19. Limiting groove. DETAILED DESCRIPTION

[0021] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] Example 1:

[0023] As attached Figure 1 To the attached Figure 5 As shown:

[0024] The utility model provides a downhole oil displacement device, comprising: a main frame 2, used for cleaning oil pipelines; a main body mechanism, fixedly arranged on the main frame 2, used for connecting the main frame 2 for transportation; a sliding mechanism, fixedly arranged on the side wall of the main frame 2, used for sliding the main frame 2 during transportation; a cleaning mechanism, rotatably arranged on the side wall of the main frame 2, used for cleaning oil pipelines; and an air flushing mechanism, fixedly arranged on the side wall of the main frame 2, used for flushing and clearing the oil pipelines.

[0025] By connecting the load-bearing rope 1 to the top of the main frame 2, the main frame 2 can be easily connected and used through the load-bearing rope 1 when in use, and it is easy to supply power, air and fixedly connect and transport through the load-bearing rope 1. A number of No. 1 nozzles 5 and No. 2 nozzles 6 are fixedly connected to the outer wall of the main frame 2. When the main frame 2 is cleaned, the oil pipeline is first cleaned by flushing air through the No. 1 nozzles 5 and No. 2 nozzles 6, and then the cleaning brush 4 is used for rotational cleaning, so as to achieve the purpose of efficiently cleaning the oil pipeline and improve the oil transportation efficiency of the oil pipeline.

[0026] refer to Figure 1 and Figure 2 , the main body includes a load-bearing rope 1 and a buffer frame 7;

[0027] By fixing a load-bearing rope 1 on the top of the main frame 2, the main frame 2 can be conveniently connected to the oil pipeline for cleaning through the load-bearing rope 1 during use, and can also be conveniently connected to the air pipeline and circuit connection through the load-bearing rope 1. At the same time, a buffer frame 7 is slidably connected to the bottom of the main frame 2, so that when the main frame 2 is slid in the oil pipeline, when the main frame 2 touches the bottom, the buffer frame 7 will first contact the bottom of the pipeline, and then the buffer frame 7 will transmit the contact signal to the external control end of the oil pipeline, so as to facilitate the control of the main frame 2 for cleaning.

[0028] refer to Figure 1 、 Figure 2 and Figure 3 , the sliding mechanism includes a receiving frame 3, a connecting rod 12 and a roller 9;

[0029] A plurality of receiving frames 3 are fixedly connected to the side walls of the main frame 2, and a plurality of receiving frames 3 are arranged in a ring shape on the side walls of the main frame 2. A connecting rod 12 is rotatably connected to the receiving frame 3 via a rotating shaft 10, so that the connecting rod 12 can be adjusted to a use angle on the receiving frame 3 via the rotating shaft 10, thereby facilitating adjustment of the distance between the roller 9 at the other end of the connecting rod 12 and the side wall of the main frame 2, thereby facilitating auxiliary sliding adjustment of the roller 9 in oil pipelines of various sizes;

[0030] At the same time, a fixing bolt 11 is screwed on the rotating shaft 10 , so that after the connecting rod 12 is rotated by the rotating shaft 10 to adjust the use angle, the use angle of the connecting rod 12 can be fixed by the fixing bolt 11 .

[0031] Example 2:

[0032] refer to Figure 1 、 Figure 4 and Figure 5 , the cleaning mechanism includes a rotating ring 13, a cleaning brush 4, a motor 16 and a driving gear 18;

[0033] A rotating ring 13 is rotatably connected to the side wall of the main frame 2, and a cleaning brush 4 is fixedly connected to the outer wall of the rotating ring 13, so that the cleaning brush 4 can be easily rotated and cleaned on the side wall of the main frame 2 through the rotating ring 13, and the use length of the cleaning brush 4 is shorter than the use length of the roller 9. That is, when the main frame 2 is performing a cleaning operation, when the roller 9 contacts and assists in sliding with the oil pipeline, the cleaning brush 4 must contact the inner wall of the oil pipeline, thereby ensuring that the cleaning brush 4 can clean the oil pipeline. Secondly, limiting grooves 19 are provided on the upper and lower sides of the rotating ring 13, so that the rotating ring 13 can be limited and rotated on the side wall of the main frame 2.

[0034] At the same time, a motor 16 is fixedly connected to the inside of the main frame 2 through several support frames 17, and a driving gear 18 is fixedly connected to the output end of the motor 16, and a driven gear 15 is fixedly connected to the inner wall of the rotating ring 13. The driving gear 18 passes through the connecting groove 14 opened on the inner wall of the main frame 2 and meshes with the driven gear 15, so that the motor 16 can drive the rotating ring 13 to rotate, so that the cleaning brush 4 can rotate on the outer wall of the main frame 2 to clean the oil pipeline.

[0035] refer to Figure 1 and Figure 2 , the air-injection mechanism includes a No. 1 nozzle 5, a No. 2 nozzle 6 and a protective frame 8;

[0036] By fixing a number of No. 1 nozzles 5 on the side wall of the main frame 2, and fixing a number of No. 2 nozzles 6 on the side wall of the main frame 2 below the No. 1 nozzles 5, and setting a number of No. 1 nozzles 5 and No. 2 nozzles 6 to be distributed in a ring shape on the side wall of the main frame 2, it is convenient for the main frame 2 to clean the oil pipeline by first flushing the oil pipeline with the No. 1 nozzles 5 and No. 2 nozzles 6, and then cleaning it by rotating the cleaning brush 4, thereby achieving the purpose of efficiently cleaning the oil pipeline;

[0037] At the same time, on the side wall of the main frame 2, above the plurality of No. 1 nozzles 5 and No. 2 nozzles 6, there are fixedly connected protective frames 8, so as to prevent the flushed debris from splashing onto the cleaning brush 4 when the No. 1 nozzle 5 and No. 2 nozzle 6 are flushing and cleaning the oil pipeline;

[0038] Secondly, when the No. 1 nozzle 5 and the No. 2 nozzle 6 are used for charging, the gas used for charging is carbon dioxide, which is supplied by the load-bearing rope 1 connected to the external gas source.

[0039] Working principle: By fixing a load-bearing rope 1 on the top of the main frame 2, the main frame 2 can be easily connected to the oil pipeline for cleaning through the load-bearing rope 1 during use, and can also be easily connected to the air pipeline and circuit connection through the load-bearing rope 1. At the same time, a buffer frame 7 is slidably connected to the bottom of the main frame 2, so that when the main frame 2 is used to slide in the oil pipeline, when the main frame 2 touches the bottom, the buffer frame 7 will first contact with the bottom of the pipeline, and then the buffer frame 7 will transmit the contact signal to the external control end of the oil pipeline, so as to In order to operate the main frame 2 for cleaning, a plurality of receiving frames 3 are fixedly connected to the side wall of the main frame 2, and a plurality of receiving frames 3 are arranged in a ring shape on the side wall of the main frame 2, and a connecting rod 12 is rotatably connected to the receiving frame 3 through a rotating shaft 10, so that the connecting rod 12 can be adjusted to a use angle through the rotating shaft 10 on the receiving frame 3, thereby facilitating the adjustment of the distance between the roller 9 at the other end of the connecting rod 12 and the side wall of the main frame 2, thereby facilitating the auxiliary sliding adjustment of the roller 9 in oil pipelines of various sizes. The wall is rotatably connected with a rotating ring 13, and a cleaning brush 4 is fixedly connected to the outer wall of the rotating ring 13, so that the cleaning brush 4 can be easily rotated and cleaned on the side wall of the main frame 2 through the rotating ring 13, and the use length of the cleaning brush 4 is less than the use length of the roller 9, that is, when the main frame 2 is performing a cleaning operation, the roller 9 contacts the oil pipeline to assist in sliding, and the cleaning brush 4 must contact the inner wall of the oil pipeline, thereby ensuring that the cleaning brush 4 can clean the oil pipeline. Secondly, limiting grooves 19 are provided on the upper and lower sides of the rotating ring 13 to facilitate rotation. The ring 13 can be limited and rotated on the side wall of the main frame 2. In addition, a number of No. 1 nozzles 5 are fixedly connected to the side wall of the main frame 2, and a number of No. 2 nozzles 6 are fixedly connected to the side wall of the main frame 2 below the No. 1 nozzle 5. A number of No. 1 nozzles 5 and No. 2 nozzles 6 are arranged in a ring shape on the side wall of the main frame 2. This makes it convenient for the main frame 2 to clean the oil pipeline by first flushing the oil pipeline with air through the No. 1 nozzle 5 and No. 2 nozzle 6, and then cleaning it by rotating the cleaning brush 4, so as to achieve the purpose of efficiently cleaning the oil pipeline.

[0040] The embodiments of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

[0041] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0042] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0043] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

[0044] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A downhole oil displacement device, characterized in that: include: The main frame (2) is used for cleaning oil pipelines; The main body mechanism is fixedly arranged on the main body frame (2) and is used for connecting the main body frame (2) for transportation; A sliding mechanism is fixedly arranged on the side wall of the main frame (2) and is used for sliding the main frame (2) during transportation; A cleaning mechanism is rotatably arranged on the side wall of the main frame (2) and is used for cleaning the oil pipeline; The air flushing mechanism is fixedly arranged on the side wall of the main frame (2) and is used for flushing and clearing the oil pipeline.

2. A downhole oil displacement device according to claim 1, characterized in that: The main body mechanism comprises a load-bearing rope (1) fixedly arranged on the top of the main body frame (2), and a buffer frame (7) is slidably arranged on the bottom of the main body frame (2).

3. A downhole oil displacement device according to claim 1, characterized in that: The sliding mechanism comprises a plurality of receiving frames (3) fixedly arranged on the side wall of the main frame (2); a rotating shaft (10) is rotatably arranged at one end of the receiving frame (3); and a connecting rod (12) is rotatably arranged on the receiving frame (3) via the rotating shaft (10); A fixing bolt (11) is screwed onto the rotating shaft (10), and a roller (9) is rotatably provided on one end of the connecting rod (12) away from the rotating shaft (10).

4. A downhole oil displacement device according to claim 1, characterized in that: The cleaning mechanism comprises a rotating ring (13) rotatably arranged on the side wall of the main frame (2), and a cleaning brush (4) is fixedly arranged on the outer wall of the rotating ring (13); Limiting grooves (19) are provided on both upper and lower sides of the rotating ring (13), and the rotating ring (13) is rotatably arranged on the outer wall of the main frame (2) through a plurality of the limiting grooves (19).

5. A downhole oil displacement device according to claim 4, characterized in that: The cleaning mechanism further comprises a motor (16) fixedly arranged inside the main frame (2), a plurality of support frames (17) being fixedly arranged on the side wall of the motor (16), and the motor (16) being fixedly arranged inside the main frame (2) via the plurality of support frames (17); A driven gear (15) is fixedly provided on the inner wall of the rotating ring (13), a connecting groove (14) is provided inside the main frame (2), a driving gear (18) is fixedly provided on the output end of the motor (16), and the driving gear (18) passes through the connecting groove (14) and meshes with the driven gear (15).

6. A downhole oil displacement device according to claim 1, characterized in that: The air injection mechanism comprises a plurality of No. 2 nozzles (6) fixedly arranged on the side wall of the main frame (2), and a plurality of No. 1 nozzles (5) fixedly arranged on the side wall of the main frame (2) above the plurality of No. 2 nozzles (6); A protective frame (8) is fixedly provided above the plurality of the No. 1 nozzles (5) and No. 2 nozzles (6).