Integrated descaling device for oil field pipeline
The integrated descaling device enables mechanical cleaning, real-time detection, and laser repair of stubborn scale in oilfield pipelines, solving the problem of difficult-to-treat deposits on the inner walls of oilfield pipelines in existing technologies, and achieving efficient pipeline cleaning and repair.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-03-31
AI Technical Summary
Due to the thickening of deposits on the inner walls of oilfield pipelines, existing descaling devices are unable to handle the dirt at bends, and cleaning them can easily damage the inner wall coating.
Design an integrated descaling device, including a drill bit, a mounting housing, and a telescopic assembly, equipped with a brush, a monitoring device, and a laser coating device. The telescopic assembly moves freely in and out of curved pipes, the drill bit cleans stubborn scale, the brush cleans the inner wall, the monitoring device monitors in real time, and the laser coating device repairs scale.
It enables efficient unblocking, cleaning, and repair of curved pipes, avoiding damage to the inner wall and ensuring the cleanliness and functional restoration of the pipes.
Smart Images

Figure CN224064324U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline dredging and cleaning technical field, specifically refers to oilfield pipeline scale and wax removal cleaning and repairing device. BACKGROUND
[0002] With the extension of oilfield pipeline service time, the precipitates in the fluid such as polymeric fracturing fluid, flowback fluid, produced fluid and high salinity reinjection water passing through the pipeline will attach to the inner wall of the pipeline day by day, and the scale on the inner wall of the pipeline will gradually thicken, which will easily damage the inner wall coating during cleaning, and the existing scale removal device cannot handle the scale at the elbow. SUMMARY
[0003] The utility model aims at above -mentioned problem, proposes a kind of for cleaning stubborn scale wax sample wax sample and elbow pipeline scale removal problem, proposes a kind of integrated scale removal wax, detection, repairing device.
[0004] The technical scheme of the utility model provides:
[0005] An oilfield pipeline integrated scale removal device, comprising a drill bit, a first mounting shell, a second mounting shell and a third mounting shell arranged in sequence; the drill bit, the first mounting shell, the second mounting shell and the third mounting shell are connected by telescopic assemblies; the outer side wall of the first mounting shell is surrounded by a brush, the second mounting shell is provided with a monitoring device, and the third mounting shell is provided with a laser coating equipment; further comprising a ground control system, the ground control system is electrically connected with the drill bit, the first mounting shell, the second mounting shell and the third mounting shell respectively.
[0006] The drill bit is a hollow circular truncated cone, and a micro motor and a first electromagnetic valve are arranged inside the circular truncated cone; the outer side wall of the circular truncated cone is provided with a scale removal brush; one end of the first electromagnetic valve is connected with the ground control system, and the other end is connected with the micro motor, and the micro motor drives the circular truncated cone to rotate.
[0007] The scale removal brush and the outer side wall of the circular truncated cone are connected by an adjusting rod.
[0008] The first mounting shell is internally provided with an adsorption device and a second electromagnetic valve, and the upper surface of the first mounting shell is provided with an adsorption hole; one end of the second electromagnetic valve is connected with the ground control system, and the other end is connected with the adsorption device; the outer side wall of the first mounting shell is surrounded by a brush.
[0009] The second mounting shell is internally provided with a monitoring device and a third electromagnetic valve, and the outer side wall of the second mounting shell is provided with a light transmission hole for transmitting light source; one end of the third electromagnetic valve is connected with the ground control system, and the other end is connected with the monitoring device.
[0010] The monitoring device is further provided with a light source.
[0011] The monitoring device is a 360° camera.
[0012] The third mounting shell is internally provided with a laser coating device and a fourth electromagnetic valve, the laser coating device is internally provided with a repair coating, one end of the fourth electromagnetic valve is connected with the ground control system, and the other end is connected with the laser coating device; and a spraying hole for spraying the coating is arranged on the outer wall of the third mounting shell.
[0013] The first mounting shell, the second mounting shell and the third mounting shell are sequentially connected through the first telescopic assembly, the second telescopic assembly and the third telescopic assembly.
[0014] The first telescopic assembly, the second telescopic assembly and the third telescopic assembly are all bellows.
[0015] The technical effect of the utility model lies in that:
[0016] The first mounting shell, the second mounting shell and the third mounting shell are sequentially connected through the first telescopic assembly, the second telescopic assembly and the third telescopic assembly.
[0017] When the utility model enters a pipeline with a bend and is inconvenient to disassemble, and the pipeline has stubborn scale and wax, the drill bit mechanically cleans the stubborn scale and wax, the brush on the outer wall of the first mounting shell cleans the inner wall of the pipeline, the monitoring device of the second mounting shell transmits the condition of the inner wall of the pipeline to the ground control system in real time, and the ground control system determines whether to re-spray the cleaned pipeline through the laser coating device in the third mounting shell after learning the condition of the inner wall of the pipeline. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a structural schematic view of the oil field pipeline integrated scale removal device.
[0019] Figure 2 It is a sectional view of the drill bit.
[0020] Figure 3 It is a structural schematic view of the first mounting shell.
[0021] Figure 4 It is a structural schematic view of the second mounting shell.
[0022] Figure 5 It is a structural schematic view of the third mounting shell.
[0023] Reference numerals: 1. Drill bit; 2. Descaling brush; 3. Adjusting rod; 4. First telescopic assembly; 5. First mounting housing; 6. Brush; 7. Second telescopic assembly; 8. Second mounting housing; 9. Light-transmitting hole; 10. Third telescopic assembly; 11. Third mounting housing; 12. Spraying hole. Detailed Implementation
[0024] Example 1
[0025] An integrated descaling device for oilfield pipelines includes a drill bit 1, a first mounting housing 5, a second mounting housing 8, and a third mounting housing 11 arranged sequentially. The drill bit 1 is connected to the first mounting housing 5, the first mounting housing 5 and the second mounting housing 8, and the second mounting housing 8 and the third mounting housing 11 via telescopic components. The outer wall of the first mounting housing 5 is surrounded by a brush 6, the second mounting housing 8 is equipped with a monitoring device, and the third mounting housing 11 is equipped with a laser coating device. The device also includes a ground control system, which is electrically connected to the drill bit 1, the first mounting housing 5, the second mounting housing 8, and the third mounting housing 11.
[0026] The specific implementation process of this embodiment is as follows:
[0027] When this utility model enters a section of pipe with bends that are inconvenient to disassemble, and the pipe has complex and difficult-to-clean scale and wax residue, the drill bit 1 mechanically cleans the stubborn scale and wax residue, the brush 6 on the outer wall of the first mounting housing 5 cleans the inner wall of the pipe, and the monitoring device on the second mounting housing 8 transmits the condition of the inner wall of the pipe to the ground control system in real time. After understanding the condition of the inner wall of the pipe, the ground control system determines whether to re-spray the cleaned pipe with the laser coating equipment in the third mounting housing 11. The entire pipe dredging, cleaning and repair is completed. After the repair is completed, this utility model is taken out of the pipe, and the entire dredging, cleaning, inspection and repair process is completed.
[0028] Example 2
[0029] Based on Embodiment 1, the method further includes: the drill bit 1 is a hollow frustum, with a micro motor and a first solenoid valve inside; a descaling brush 2 is provided on the outer wall of the frustum; one end of the first solenoid valve is connected to the ground control system, and the other end is connected to the micro motor, which drives the frustum to rotate. The descaling brush 2 is connected to the outer wall of the frustum via an adjusting rod 3.
[0030] Example 3
[0031] Based on Embodiment 2, the first mounting housing 5 is provided with an adsorption device and a second solenoid valve inside. The upper surface of the first mounting housing 5 is provided with adsorption holes. One end of the second solenoid valve is connected to the ground control system and the other end is connected to the adsorption device. A brush 6 is provided around the outer wall of the first mounting housing 5.
[0032] Example 4
[0033] Based on embodiment 3, the second mounting housing 8 is further comprising a monitoring device and a third solenoid valve inside the housing. The outer wall of the second mounting housing 8 has a light-transmitting hole 9 for allowing a light source to pass through. One end of the third solenoid valve is connected to the ground control system, and the other end is connected to the monitoring device. The monitoring device also includes a light source. The monitoring device is a 360° camera.
[0034] Example 5
[0035] Based on embodiment 4, the third mounting housing 11 is further provided with a laser coating device and a fourth solenoid valve inside. The laser coating device has built-in repair coating material. One end of the fourth solenoid valve is connected to the ground control system, and the other end is connected to the laser coating device. The outer wall of the third mounting housing 11 is provided with a spray hole 12 for the coating material to pass through.
[0036] Example 6
[0037] Based on Embodiment 5, the invention further includes a first telescopic assembly 4 between the drill bit 1 and the first mounting housing 5, a second telescopic assembly 7 between the first mounting housing 5 and the second mounting housing 8, and a third telescopic assembly 10 between the second mounting housing 8 and the third mounting housing 11. The first telescopic assembly 4, the second telescopic assembly 7, and the third telescopic assembly 10 are all corrugated pipes.
[0038] The specific implementation process of this embodiment is as follows:
[0039] When this invention enters a section of pipe with bends that are inconvenient to disassemble, and the pipe has complex and difficult-to-clean scale and wax residue, the ground control system controls the first solenoid valve, which in turn controls the micro motor to drive the drill platform to rotate. The drill bit 1 mechanically cleans the stubborn scale and wax residue, and the descaling brush 2 connected to the side wall of the drill bit 1 sweeps away the scale and wax residue. The ground control system controls the second solenoid valve to open the adsorption device, and the adsorption device adsorbs the residue from the adsorption hole into the adsorption device. The brush 6 on the outer ring of the second mounting housing 8 cleans the inner wall of the pipe. The ground control system controls the third solenoid valve to open the 360° camera inside the second mounting housing 8. With the assistance of a light source, the camera transmits the condition of the inner wall of the pipe to the ground control system in real time. After understanding the condition of the inner wall of the pipe, the ground control system determines whether to re-coat the cleaned pipe using the laser coating equipment inside the third mounting housing 11. If re-coating is required, the ground control system controls the fourth solenoid valve to open the laser coating equipment, and the paint in the laser coating equipment is sprayed onto the inner wall of the pipe through the spraying hole 12. The entire pipeline dredging, cleaning, and repair process is completed. After the repair is finished, this utility model is removed from the pipeline, and the entire dredging, cleaning, testing, and repair process is completed.
Claims
1. An integrated oilfield pipeline descaling device, characterized by, The utility model provides a kind of drilling head, it includes the drilling head (1) of being arranged successively, first installation shell (5), second installation shell (8) and third installation shell (11);Between the drilling head (1) and first installation shell (5), between first installation shell (5) and second installation shell (8), between second installation shell (8) and third installation shell (11) are connected by telescopic component;The outer side wall of first installation shell (5) is surrounded with brush (6), second installation shell (8) is equipped with monitoring device, and third installation shell (11) is equipped with laser coating equipment;It further includes ground control system, and the ground control system is electrically connected with drilling head (1), first installation shell (5), second installation shell (8) and third installation shell (11) respectively.
2. The oilfield pipeline integrated cleaning apparatus of claim 1, wherein, The drilling head (1) is a hollow circular truncated cone, and a micro motor and a first electromagnetic valve are arranged inside the circular truncated cone; A descaling brush (2) is arranged on the outer side wall of the circular truncated cone; One end of the first electromagnetic valve is connected to the ground control system, and the other end is connected to the micro motor, which drives the circular truncated cone to rotate.
3. The oilfield pipeline integrated cleaning apparatus of claim 2, wherein, The descaling brush (2) is connected to the outer side wall of the circular truncated cone through an adjusting rod (3).
4. The oilfield pipeline integrated cleaning apparatus of claim 1, wherein, The first installation shell (5) is internally provided with an adsorption device and a second electromagnetic valve, and an adsorption hole is arranged on the upper surface of the first installation shell (5); One end of the second electromagnetic valve is connected to the ground control system, and the other end is connected to the adsorption device; A brush (6) is arranged around the outer side wall of the first installation shell (5).
5. The oilfield pipeline integrated cleaning apparatus of claim 1, wherein, The second installation shell (8) is internally provided with a monitoring device and a third electromagnetic valve, and a light-transmitting hole (9) for transmitting a light source is arranged on the outer side wall of the second installation shell (8); One end of the third electromagnetic valve is connected to the ground control system, and the other end is connected to the monitoring device.
6. The oilfield pipeline integrated cleaning apparatus of claim 5, wherein, The monitoring device is further provided with a light source.
7. The oilfield pipeline integrated cleaning apparatus of claim 6, wherein, The monitoring device is a 360° camera.
8. The oilfield pipeline integrated cleaning apparatus of claim 1, wherein, The third installation shell (11) is internally provided with a laser coating equipment and a fourth electromagnetic valve, and a repair coating is built-in in the laser coating equipment; One end of the fourth electromagnetic valve is connected to the ground control system, and the other end is connected to the laser coating equipment; A spraying hole (12) for transmitting the coating is arranged on the outer side wall of the third installation shell (11).
9. The oilfield pipeline integrated cleaning apparatus of claim 1, wherein, A first telescopic component (4) is arranged between the drilling head (1) and the first installation shell (5), a second telescopic component (7) is arranged between the first installation shell (5) and the second installation shell (8), and a third telescopic component (10) is arranged between the second installation shell (8) and the third installation shell (11).
10. The oilfield pipeline integrated cleaning apparatus of claim 9, wherein, The first telescopic component (4), the second telescopic component (7) and the third telescopic component (10) are all bellows.