Descaling device for oilfield water injection pipeline

By designing a descaling device for oilfield water injection pipelines, and adopting a mobile structure and motor-driven gear-rotating brush cleaning, the problems of low cleaning efficiency and high labor intensity of workers in water injection pipelines have been solved, achieving efficient and automated cleaning results and environmental protection.

CN223465261UActive Publication Date: 2025-10-24NORTHEAST GASOLINEEUM UNIV
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Patent Information

Application Number
CN202422755785.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-10-24
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

In existing technologies, the cleaning efficiency of oilfield water injection pipelines is low, the labor intensity of workers is high, and it is difficult to efficiently remove dirt from the outer wall of the pipeline.

Method used

Design a descaling device for oilfield water injection pipelines, including a cleaning platform, a moving structure, a cleaning structure, a high-pressure pipe, and an annular spray pipe. The moving structure drives the water injection pipe to be initially wetted by water spraying through the annular spray pipe. The motor drives the gear to rotate the cleaning pipe, and the brushes rotate at high speed to remove dirt. The dirt is collected through a collection tank and a filter box, forming a production line cleaning process.

Benefits of technology

It improved the efficiency of water injection pipeline cleaning, reduced the labor intensity of workers, realized an efficient and automated cleaning process, and ensured the centralized treatment of the cleaned soil and the cleanliness of the construction site environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a descaling device for an oilfield water injection pipeline. The cleaning device comprises a cleaning table, a moving structure, a cleaning structure, a high-pressure pipe and an annular spray pipe, the moving structure is arranged on the upper surface of one end of the cleaning table; the cleaning structure is arranged on the upper surface of the cleaning table and comprises a second vertical frame welded to the upper surface of the cleaning table and a cleaning pipe rotationally connected to the top of the second vertical frame. The water injection pipe is moved through the moving structure to pass through the annular spraying pipe for preliminary water spraying and wetting, a second motor drives a gear to rotate, the gear drives a cleaning pipe to rapidly rotate on a second vertical frame, internal bristles rotate at a high speed to sweep away dirt on the outer wall of the water injection pipe, and the water injection pipe is thoroughly sprayed through the rear annular spraying pipe. According to the device, the water injection pipe can be rapidly moved to clean dirt, manual cleaning is replaced, the cleaning efficiency of cleaning the water injection pipe in a large amount is improved, and the labor intensity of cleaning workers is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water injection pipe cleaning technical field, concretely is a kind of descaling device of oilfield water injection pipeline. BACKGROUND

[0002] In the oilfield development process, water is injected into oil reservoir through special injection well, to maintain or restore oil layer pressure, so that the oil reservoir has strong driving force, to improve the exploitation speed and recovery rate of oil reservoir, when using, the water injection pipe is usually inserted into the ground by multiple connections to carry out water injection operation to oil layer, after use, the water injection pipe needs to be pulled out in turn, after pulling out, a large amount of silt, stone and other dirt will be adhered to the outer wall of the water injection pipe, after collection, the water injection pipe needs to be cleaned;

[0003] At present, the water injection pipe is erected on the construction site, and the worker holds the high-pressure spray gun to rotate the water injection pipe for cleaning. Although this manual cleaning can clean thoroughly, it needs to clean the outer wall of the pipe bit by bit, which leads to low cleaning efficiency. Moreover, the high-pressure water gun has large recoil force, and the labor intensity of the worker is large when cleaning a large number of water injection pipes. Therefore, there is a need for a device for improving the cleaning efficiency of the water injection pipe and reducing the labor intensity of the worker. SUMMARY

[0004] The utility model aims at providing a kind of descaling device of oilfield water injection pipeline to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of descaling device of oilfield water injection pipeline, including cleaning table, mobile structure, cleaning structure, high-pressure pipe and annular spray pipe;The mobile structure is arranged on the upper surface of one end of cleaning table;The cleaning structure is arranged on the upper surface of cleaning table, and the cleaning structure includes the second stand welded on the upper surface of cleaning table, the cleaning pipe rotatably connected to the top of second stand, the bristle embedded on the inner wall of cleaning pipe, the gear ring welded on the outer wall of cleaning pipe, the third stand welded on the upper surface of cleaning table, the second motor clamped on the top of third stand, the gear welded on the rotating shaft of second motor, and the gear is engaged with gear ring;The high-pressure pipe is inserted in one side of second stand;The annular spray pipe is welded on the outer wall of high-pressure pipe.

[0006] By adopting the above technical scheme, the water injection pipe is moved through the annular spray pipe by the mobile structure for preliminary water spraying and wetting. The second motor drives the gear to rotate, and the gear drives the cleaning pipe to rotate rapidly on the second stand. The internal bristle rotates at high speed to sweep the dirt on the outer wall of the water injection pipe. The rear annular spray pipe is used for spraying to clean. The device can quickly move and clean the dirt of the water injection pipe, instead of manual cleaning, improve the cleaning efficiency of a large number of water injection pipes, and reduce the labor intensity of the cleaning worker.

[0007] Preferably, the moving structure comprises a first stand welded to the upper surface of the cleaning table, an upper pressing wheel rotatably connected to the top of the first stand, a lower pressing wheel rotatably connected to the inner wall of the cleaning table, and a first motor connected to the outer wall of the cleaning table by bolts, and the rotating shaft of the first motor is connected to the rotating shaft of the lower pressing wheel.

[0008] By adopting the above technical scheme, the lower pressing wheel is driven to rotate by the first motor, and after the worker inserts one end of the water injection pipe between the upper pressing wheel and the lower pressing wheel, the rotating power will drive the water injection pipe to move, realizing the function of automatically entering the cleaning after insertion, so that the cleaning speed of the water injection pipe is constant, which is beneficial to long-term and large-scale cleaning of the water injection pipe, reduces the labor intensity of the worker, and improves the practicability of the device.

[0009] Preferably, the upper surface of the cleaning table is welded with a support, and the lower pressing wheel, the annular spray pipe, the cleaning pipe and the support are in the same straight line.

[0010] By adopting the above technical scheme, the support is welded at the other end of the cleaning table, which can support the cleaned water injection pipe, facilitate the worker to take out the cleaned water injection pipe, and make the feeding, spraying, cleaning and cleaning form a flow line type cleaning, so that the water injection pipe can be cleaned quickly at one time, and the cleaning efficiency of the water injection pipe is improved.

[0011] Preferably, a ring of high-pressure nozzles is arranged on the inner wall of the annular spray pipe, and two groups of annular spray pipes are arranged at both ends of the cleaning pipe.

[0012] By adopting the above technical scheme, the high-pressure nozzles of the annular spray pipe can uniformly spray water flow on the outer wall of the water injection pipe to wet and clean it, so as to reduce the difficulty of cleaning dirt and improve the effect of dirt removal.

[0013] Preferably, eight mud holes are arranged on the outer wall of the cleaning pipe, the length of the bristles is the same as the inner radius of the cleaning pipe, and the bristles are made of nylon material.

[0014] By adopting the above technical scheme, the eight mud holes are arranged to facilitate the discharge of the cleaned mud, avoid the problem that the mud is difficult to clean in the cleaning pipe due to excessive accumulation, ensure the effective cleaning of the mud on the water injection pipe, and use the high-strength nylon material to make the bristles tightly adhere to the outer wall when the water injection pipe enters, so as to improve the cleaning effect of the mud on the outer wall.

[0015] Preferably, a collecting groove is arranged in the cleaning table, a collecting filter box is inserted into the bottom of the collecting groove, and the bottom of the collecting groove is in an inclined shape.

[0016] Through adoption of the above technical scheme, the soil and wastewater cleaned from above can be collected through the internally formed collecting groove, flows into the collecting filter box after flowing downwards, the large soil is filtered down, the mud water flows out through the filter hole to be discharged on the construction site, the effect of centralized treatment of the moist soil is realized, and the moist soil is prevented from flowing randomly to pollute the ground of the construction site.

[0017] Preferably, the upper surface of the cleaning table is bolted with a protective cover, and the cleaning structure, the high-pressure pipe and the annular spray pipe are inside the protective cover.

[0018] Through adoption of the above technical scheme, the soil and wastewater cleaned from above can be collected through the internally formed collecting groove, flows into the collecting filter box after flowing downwards, the large soil is filtered down, the mud water flows out through the filter hole to be discharged on the construction site, the effect of centralized treatment of the moist soil is realized, and the moist soil is prevented from flowing randomly to pollute the ground of the construction site.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] (1) the water injection pipe is moved to pass the annular spray pipe to be preliminarily sprayed and wetted, the second motor drives the gear to rotate, the gear drives the cleaning pipe to rotate rapidly on the second stand, the internal bristles rotate at high speed to sweep the dirt on the outer wall of the water injection pipe, and the water injection pipe is cleaned through the rear annular spray pipe, so that the water injection pipe can be moved and cleaned rapidly, manual cleaning is replaced, the cleaning efficiency of a large number of water injection pipes is improved, and the labor intensity of the cleaning workers is reduced.

[0021] (2) the first motor drives the lower pressing wheel to rotate, the worker inserts one end of the water injection pipe between the upper pressing wheel and the lower pressing wheel, the rotating power pushes the water injection pipe to move, the water injection pipe is automatically cleaned after insertion, the speed of the water injection pipe is constant, long-term cleaning of the water injection pipe is facilitated, the labor intensity of the worker is reduced, and the practicability of the device is improved.

[0022] (3) the internally formed collecting groove can collect the soil and wastewater cleaned from above, flows into the collecting filter box after flowing downwards, the large soil is filtered down, the mud water flows out through the filter hole to be discharged on the construction site, the effect of centralized treatment of the moist soil is realized, and the moist soil is prevented from flowing randomly to pollute the ground of the construction site. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the device of the utility model;

[0024] Figure 2 It is a schematic view of the moving structure and the cleaning structure of the utility model;

[0025] Figure 3 It is a side sectional view of the cleaning table of the utility model;

[0026] Figure 4 is a cleaning structure schematic view of the utility model;

[0027] Figure 5 is a cleaning structure schematic view of the utility model; Figure 4 structure's explosion view.

[0028] In the drawing: 1, cleaning platform; 2, moving structure; 201, first vertical support; 202, upper pressing wheel; 203, lower pressing wheel; 204, first motor; 3, cleaning structure; 301, second vertical support; 302, cleaning pipe; 303, brush hair; 304, gear ring; 305, third vertical support; 306, second motor; 307, gear; 4, high-pressure pipe; 5, annular spray pipe; 6, support; 7, collecting groove; 8, collecting filter box; 9, protective cover. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Figures 1-5 The utility model is further specifically explained.

[0031] Embodiment one

[0032] Please refer to Figures 1 to 5The utility model provides an embodiment: a kind of scale removal device of oilfield water injection pipeline, including cleaning platform 1, mobile structure 2, cleaning structure 3, high pressure pipe 4 and annular spray pipe 5;Mobile structure 2 is arranged on the upper surface of one end of cleaning platform 1;Cleaning structure 3 is arranged on the upper surface of cleaning platform 1, and cleaning structure 3 includes second stand 301 welded on the upper surface of cleaning platform 1, cleaning pipe 302 rotationally connected at the top of second stand 301, bristles 303 embedded on the inner wall of cleaning pipe 302, toothed ring 304 welded on the outer wall of cleaning pipe 302, third stand 305 welded on the upper surface of cleaning platform 1, second motor 306 clamped at the top of third stand 305, gear 307 welded on the rotating shaft of second motor 306, and gear 307 is engaged with toothed ring 304;High pressure pipe 4 is inserted in one side of second stand 301;Annular spray pipe 5 is welded on the outer wall of high pressure pipe 4, and water injection pipe is moved through annular spray pipe 5 by mobile structure 2 to be preliminarily sprayed wet, and second motor 306 drives gear 307 to rotate, gear 307 drives cleaning pipe 302 to rotate rapidly on second stand 301, and the inside bristles 303 rotate at high speed and sweep the dirt on the outer wall of water injection pipe, and the device can quickly move and clean the dirt of water injection pipe, replace manual cleaning, improve the cleaning efficiency of a large number of cleaning water injection pipe, and reduce the labor intensity of cleaning worker.

[0033] Embodiment two

[0034] Please refer to Figures 1 to 5 , and mobile structure 2 includes first stand 201 welded on the upper surface of cleaning platform 1, upper pressure wheel 202 rotationally connected at the top of first stand 201, lower pressure wheel 203 rotationally connected on the inner wall of cleaning platform 1 and first motor 204 connected by bolt on the outer wall of cleaning platform 1, the rotating shaft of first motor 204 is connected with the rotating shaft of lower pressure wheel 203, and lower pressure wheel 203 is driven to rotate by first motor 204, after the worker inserts one end of water injection pipe between upper pressure wheel 202 and lower pressure wheel 203, the rotating power will push water injection pipe to move, realize the function of automatically entering cleaning after insertion, make the speed of cleaning water injection pipe constant, be favorable for long time a large number of cleaning water injection pipe, reduce the labor intensity of worker, improve the practicability of device;

[0035] The upper surface of the cleaning table 1 is welded with a support 6, the pressing wheel 203, the annular spray pipe 5, the cleaning pipe 302 and the support 6 are in the same straight line, by welding the support 6 at the other end of the cleaning table 1, the cleaned water injection pipe can be supported, the worker can take out the cleaned water injection pipe conveniently, and the feeding, spraying, cleaning and cleaning form a flow line, the water injection pipe can be cleaned quickly at one time, the cleaning efficiency of the water injection pipe is improved, a circle of high-pressure nozzles is arranged on the inner wall of the annular spray pipe 5, two groups of annular spray pipes 5 are arranged at the two ends of the cleaning pipe 302, the water flow can be uniformly sprayed on the outer wall of the water injection pipe through the circle of high-pressure nozzles of the annular spray pipe 5, so that the water injection pipe is wetted and cleaned, the difficulty of cleaning dirt is reduced, and the effect of dirt removal is improved.

[0036] Example three

[0037] Please refer to Figures 1 to 5 Eight mud holes are formed in the outer wall of the cleaning pipe 302, the length of the brush 303 is the same as the inner radius of the cleaning pipe 302, the brush 303 is made of nylon material, the eight mud holes are convenient for discharging the cleaned mud, the problem that the mud is difficult to clean in the cleaning pipe 302 is avoided, the effective mud on the water injection pipe is ensured, the high-strength nylon material is used, the brush 303 is tightly attached to the outer wall when the water injection pipe enters, the cleaning effect of the outer wall mud is improved, the collecting groove 7 is arranged in the cleaning table 1, the collecting filter box 8 is inserted into the bottom of the collecting groove 7, the bottom of the collecting groove 7 is inclined, the mud and waste water cleaned above can be collected through the internal collecting groove 7, and then flows into the collecting filter box 8, the large mud is filtered down, the mud water flows out through the filter hole and is exhausted on the construction site, the wet mud is concentrated and treated, the wet mud is prevented from flowing randomly and polluting the ground, the upper surface of the cleaning table 1 is connected with the protective cover 9 through bolts, the cleaning structure 3, the high-pressure pipe 4 and the annular spray pipe 5 are arranged in the protective cover 9, the protective cover 9 can shield the upper part, the splashing of the rotating mud during cleaning is avoided, and the health environment of the worker and the site is effectively ensured.

[0038] Working principle: when in use, the worker inserts one end of the water injection pipe between the pressing wheel 203 and the upper pressing wheel 202, the first motor 204 drives the pressing wheel 203 to rotate, the water injection pipe is moved inward under the rotating thrust and passes through the annular spray pipe 5 and the cleaning structure 3 in turn, first passes through the annular spray pipe 5 to be preliminarily sprayed and wetted, the second motor 306 drives the gear 307 to rotate, the gear 307 drives the cleaning pipe 302 to rotate quickly on the second stand 301, the brush 303 rotates at high speed to clean the dirt on the outer wall of the water injection pipe, then the water injection pipe is sprayed and cleaned by the rear annular spray pipe 5, and finally the water injection pipe is cleaned and moved out at one time to complete the cleaning work.

[0039] It will be apparent to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments as such, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application.

Claims

1. A descaling device for oilfield water injection pipeline, characterized in that: Include: The cleaning platform (1); The moving structure (2) is arranged on the upper surface of one end of the cleaning platform (1); The cleaning structure (3) is arranged on the upper surface of the cleaning platform (1), the cleaning structure (3) comprises a second stand (301) welded on the upper surface of the cleaning platform (1), a cleaning pipe (302) rotatably connected on the top of the second stand (301), a brush (303) embedded on the inner wall of the cleaning pipe (302), a gear ring (304) welded on the outer wall of the cleaning pipe (302), a third stand (305) welded on the upper surface of the cleaning platform (1), a second motor (306) clamped on the top of the third stand (305), and a gear (307) welded on the rotating shaft of the second motor (306), the gear (307) is engaged with the gear ring (304); The high-pressure pipe (4) is inserted into one side of the second stand (301); The annular spray pipe (5) is welded on the outer wall of the high-pressure pipe (4).

2. A scale removal device for an oilfield injection conduit as claimed in claim 1, characterised in that: The moving structure (2) comprises a first stand (201) welded on the upper surface of the cleaning platform (1), an upper pressing wheel (202) rotatably connected on the top of the first stand (201), a lower pressing wheel (203) rotatably connected on the inner wall of the cleaning platform (1), and a first motor (204) connected by bolts on the outer wall of the cleaning platform (1), the rotating shaft of the first motor (204) is connected with the rotating shaft of the lower pressing wheel (203).

3. A scale removal device for an oilfield injection conduit as claimed in claim 2, wherein: The upper surface of the cleaning platform (1) is welded with a support (6), the lower pressing wheel (203), the annular spray pipe (5), the cleaning pipe (302) and the support (6) are in the same straight line.

4. The scale removal device for an oilfield injection conduit of claim 1, wherein: The inner wall of the annular spray pipe (5) is provided with a circle of high-pressure nozzles, and two groups of annular spray pipes (5) are arranged at both ends of the cleaning pipe (302).

5. The scale removal device for an oilfield injection conduit of claim 1, wherein: The outer wall of the cleaning pipe (302) is provided with eight mud leakage holes, the length of the brush (303) is the same as the inner radius of the cleaning pipe (302), and the brush (303) is made of nylon material.

6. A scale removal device for an oilfield injection conduit as defined in claim 1, wherein: The inside of the cleaning platform (1) is provided with a collecting groove (7), the bottom of the collecting groove (7) is inserted with a collecting filter box (8), and the bottom of the collecting groove (7) is inclined.

7. A scale removal device for an oilfield injection conduit as claimed in claim 1, characterized in that: The upper surface of the cleaning platform (1) is bolted with a protective cover (9), the cleaning structure (3), the high-pressure pipe (4) and the annular spray pipe (5) are in the inside of the protective cover (9).