A short-radius horizontal well open-hole oil reservoir drainage aid device

CN117738620BActive Publication Date: 2026-09-01DAQING CHENPING DRILLING TECH SERVICE CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202311746395.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-12-19
Publication Date
2026-09-01
Estimated Expiration
2043-12-19

AI Technical Summary

Technical Problem

但原油在低温下是会失去流动性而凝固,原油一旦凝固,就会堵塞管道,导致原油排放时速度缓慢,从而降低生产效率

Benefits of technology

[0015]1、一种超短半径水平井裸眼油层助排设备,通过电动机的工作提供动力源,经过电动机转轴、电动机传动齿轮、转轴传动齿轮和转轴的传递作用,使伸缩装置和扇柱同步转动,再通过伸缩装置使扇柱刮板往复运动,扇柱通过管道刮刀对输油管道内壁进行清理工作的同时,扇柱刮板对扇柱上黏滞的原油进行清理,同时在电热棒的运作下使扇柱和扇柱刮板温度升高,防止原油在扇柱和扇柱刮板上的二次凝固,避免影响刮板装置的正常工作。

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN117738620B_ABST
    Figure CN117738620B_ABST
Patent Text Reader

Abstract

This invention discloses an auxiliary drainage device for open-hole oil reservoirs in ultra-short radius horizontal wells, relating to the field of auxiliary drainage technology for open-hole oil reservoirs in ultra-short radius horizontal wells. It includes a scraper device comprising a fan column, with a rotating shaft disposed on the inner wall of the fan column, and the inner wall of the fan column is fixedly connected to the outer surface of the rotating shaft. A telescopic device is fixedly connected to the outer surface of the rotating shaft near the fan column, and a fan column scraper is fixedly connected to the side of the telescopic device near the scraper device. A support device is rotatably connected to the end of the rotating shaft away from the fan column. The support device includes a secondary support frame, with a storage device fixedly connected to the top of the secondary support frame. The storage device includes a motor frame, with a motor fixedly installed at the middle position of the upper surface of the motor frame, and water cooling devices fixedly installed on both sides of the upper surface of the motor frame. An oil delivery pipeline is slidably connected to the bottom of the storage device.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of open-hole oil reservoir drainage technology for ultra-short radius horizontal wells, specifically to an open-hole oil reservoir drainage device for ultra-short radius horizontal wells. Background Technology

[0002] Ultra-short radius horizontal well open-hole drainage technology is a technique to improve single-well production. After development, oilfields have entered the mid-to-late stages of development. Many blocks are continental multi-layered sandstone oilfields, currently in the high-water-cut and ultra-high-water-cut phases. Remaining oil is scattered and overall utilization is poor, facing technical pressures such as old well stimulation, tapping the potential of remaining oil in thin, poor-quality oil layers, and stabilizing and increasing production. Ultra-short radius horizontal well open-hole drainage technology is a technique to improve the recovery rate of old oilfields, featuring high target success rate, short construction period, high production, and low drilling cost. Therefore, the oilfield has adopted ultra-short radius horizontal well technology to address this technical challenge, solving the technical problem of increasing production in thin, poor-quality oil layers. It overcomes the high friction in the high-curvature build-up section during horizontal drilling, increasing the drainage area of ​​the oil layer, and providing a new technology for tapping the potential of remaining oil in thin, poor-quality oil layers, reducing costs and increasing efficiency, and improving the recovery rate. However, crude oil loses its fluidity and solidifies at low temperatures. Once solidified, it can clog pipelines, slowing down the discharge of crude oil and reducing production efficiency.

[0003] To solve the above problems, this invention uses a scraper device, a telescopic device, a support device, and an electric motor to process viscous crude oil in the oil pipeline. A water-cooling device protects the electric motor and extends its service life. Finally, a collection device collects the crude oil, thus completing the dredging of the oil pipeline and solving the above problems. Summary of the Invention

[0004] To achieve the above objectives, the present invention provides the following technical solution: an ultra-short radius horizontal well open-hole oil reservoir drainage aid device, comprising a scraper device, the scraper device comprising a fan column, a rotating shaft disposed on the inner wall of the fan column, and the inner wall of the fan column being fixedly connected to the outer surface of the rotating shaft, a telescopic device being fixedly connected to the outer surface of the rotating shaft near the fan column, a fan column scraper being fixedly connected to the telescopic device near the fan column, and a support device being rotatably connected to the end of the rotating shaft away from the fan column, the support device comprising a secondary support frame, a storage device being fixedly connected to the top of the secondary support frame, the storage device comprising a motor frame, and a motor being fixedly mounted at the middle position of the upper surface of the motor frame. Water cooling devices are fixedly installed on both sides of the upper surface of the motor frame. An oil pipeline is slidably connected to the bottom of the storage device. The fan column includes a pipe scraper, with a scraper heating element chamber on its surface, and the surface of the pipe scraper is fixedly connected to the inner wall of the scraper heating element chamber. A scraper column is fixedly connected to the bottom of the pipe scraper. A fan column scraper is slidably connected to the outer surface of the fan column, and the fan column scraper includes a scraper column. A scraper heating element chamber is provided on the outer surface of the top of the scraper column, and the outer surface of the top of the scraper column is fixedly connected to the inner wall of the scraper heating element chamber. The telescopic device includes a telescopic frame, with a telescopic element provided on the bottom surface of the inner wall of the telescopic frame, and the bottom surface of the inner wall of the telescopic frame is connected to the telescopic element chamber. The components are fixedly connected to each other. A telescopic rod is fixedly connected to the side of the telescopic component away from the bottom surface of the inner wall of the telescopic frame. A fan-column scraper chamber is fixedly connected to the side of the telescopic rod away from the telescopic frame. The support device includes a secondary support frame. A rotating shaft is fixedly connected to the inner wall of the secondary support frame. A rotating shaft transmission gear is provided on the surface of the rotating shaft near the secondary support frame, and the surface of the rotating shaft near the secondary support frame is fixedly connected to the inner wall of the rotating shaft transmission gear. A motor transmission gear is connected to the surface of the rotating shaft transmission gear. A main support frame is rotatably connected to the side of the rotating shaft transmission gear away from the secondary support frame. The main support frame includes a support frame, and a support frame guardrail is fixedly connected to the top of the support frame. The electric motor includes an electric motor housing, a motor base fixedly connected to the bottom of the electric motor housing, an electric motor housing cover fixedly connected to the side of the electric motor housing near the motor transmission gear, a fan cover fixedly connected to the side of the electric motor housing away from the electric motor housing cover, the fan cover including ventilation holes, an electric motor shaft fixedly connected to the middle of the electric motor housing cover, an electric motor rotor disposed on the outer surface of the electric motor shaft, and the outer surface of the electric motor shaft being rotatably connected to the inner wall of the electric motor rotor, an electric motor stator disposed on the outer surface of the electric motor rotor, and the outer surface of the electric motor rotor being rotatably connected to the inner wall of the electric motor stator, and fan blades fixedly connected to the side of the electric motor shaft near the fan cover.

[0005] The entire device is supported by a support structure, which supports the rotating shaft and the motor, ensuring the normal operation of the telescopic device, scraper device, and motor. The motor is stably supported by the motor frame to output power. The fan column and the telescopic device are fixedly connected to the rotating shaft and move synchronously. A pipe scraper is connected to the top of the fan column, which directly contacts the inner wall of the oil pipeline to scrape the crude oil adhering to the pipeline. The fan column scraper is fixedly connected to the telescopic device, and the reciprocating motion of the telescopic device scrapes the crude oil adhering to the surface of the fan column. At the same time, electric heating rods are installed at the top of the fan column and the top of the fan column scraper to heat the pipe scraper and the fan column scraper, preventing the crude oil from solidifying again on the pipe scraper, fan column, and fan column scraper.

[0006] The storage device includes a storage box, a storage box cover frame is fixedly connected to the outlet of the storage box, the storage box cover frame includes a storage box cover, a storage shovel frame is provided on the bottom surface of the storage box, and the bottom surface of the storage box is fixedly connected to the upper surface of the storage shovel frame, the storage shovel frame includes a storage shovel, and a motor frame is fixedly connected to the inner wall of the storage box.

[0007] After the scraper and telescopic device cleans the pipeline, the crude oil will fall between the scraper and the collection device due to gravity. After being collected by the collection shovel, the crude oil will be collected into the collection box and recycled after the work is completed.

[0008] The water cooling device includes a water tank, which comprises a tank body. A tank cover is located at the top of the tank body, and the top of the tank body is hinged to the bottom of the tank cover. A water outlet is fixedly installed on the surface of the tank body near the motor drive gear, and a water inlet is fixedly connected to the surface of the tank body away from the motor drive gear. A water pipe a is installed on the inner wall of the water outlet, and the inner wall of the water outlet is fixedly connected to the outer surface of water pipe a. A water pipe c is installed on the inner wall of the water inlet, and the inner wall of the water inlet is fixedly connected to the outer surface of water pipe c. The water cooling device also includes a water pump, which comprises a pump housing. A pump base is located on the bottom of the pump housing, and the bottom of the pump housing is fixedly connected to the upper surface of the pump base. A motor bracket is fixedly connected to the bottom of the pump base. A pump cover is located on the side of the pump housing near water pipe a, and the side of the pump housing near water pipe a is fixedly connected to the side of the pump cover away from water pipe a. The water pump cover has a water pump inlet fixedly connected to the side away from the water pump housing. The top of the water pump housing has a water pump outlet fixedly connected to it. A water pipe a is installed on the inner wall of the water pump inlet, and the inner wall of the water pump inlet is fixedly connected to the outer surface of water pipe a on the side away from the water tank outlet. A water pipe b is installed on the inner wall of the water pump outlet, and the inner wall of the water pump outlet is fixedly connected to the outer surface of water pipe b on one side. The water cooling device includes a water cooling block, and the water cooling block includes a water cooling block box. An electric motor housing is fixedly connected to the inner wall of the water-cooled block box. A water-cooled block outlet is fixedly connected to the side of the water-cooled block box near the water tank. A water-cooled block inlet is fixedly connected to the side of the water-cooled block box near the water pump. A water pipe c is provided on the inner wall of the water-cooled block outlet, and the inner wall of the water-cooled block outlet is fixedly connected to the outer surface of the water pipe c on the side away from the water tank inlet. A water pipe b is provided on the inner wall of the water-cooled block inlet, and the inner wall of the water-cooled block inlet is fixedly connected to the outer surface of the water pipe b on the side away from the water pump outlet.

[0009] The operation of an electric motor generates its own heat. The heat dissipation efficiency inside the pipe is low, which will reduce the life of the motor and affect its working efficiency if it is used for a long time. The cooling effect of the water cooling device will keep the temperature of the motor within a relatively safe range and increase the service life of the motor.

[0010] Preferably, the scraper device includes a fan column connected to a rotating shaft, which allows the fan column to move in a circular motion within the oil pipeline. A pipe scraper is fixedly connected to the top of the fan column, and the circular motion can clean the oil pipeline from all directions. The fan column scraper fits the shape of the fan column and can clean the fan column. An electric heating rod is provided on the top of the fan column and the fan column scraper to heat the pipe scraper and the fan column, preventing secondary cooling of the crude oil.

[0011] Preferably, the telescopic device is fixedly connected to the fan column scraper and the rotating shaft, and aligned with the fan column. Through the reciprocating motion of the telescopic device, the fan column scraper is driven to reciprocate, thus completing the cleaning work of the fan column.

[0012] Preferably, the collection device is equipped with a collection shovel, and there is a certain distance between the collection shovel and the scraper device so that the crude oil can fall into the appropriate position. When the collection shovel passes the corresponding position, the crude oil is collected into the collection box to complete the subsequent recycling work.

[0013] Preferably, the cooling device includes a water tank, a water pump, and a water-cooled block, which together constitute a simple cooling device, greatly reducing space requirements. The coolant is in the water tank, transported to the water pump through pipe a, then to the water-cooled block through pipe b to perform the cooling function, and finally returns to the water tank through pipe c to form a cycle.

[0014] This invention provides a drainage aid device for open-hole oil reservoirs in ultra-short radius horizontal wells. It has the following beneficial effects:

[0015] 1. A short-radius horizontal well open-hole oil reservoir drainage aid device, which provides power through an electric motor. The motor shaft, motor transmission gear, shaft transmission gear, and shaft transmission drive cause the telescopic device and the fan column to rotate synchronously. The telescopic device then causes the fan column scraper to reciprocate. While the fan column cleans the inner wall of the oil pipeline through the pipeline scraper, the fan column scraper cleans the sticky crude oil on the fan column. At the same time, the operation of the electric heating rod raises the temperature of the fan column and the fan column scraper to prevent secondary solidification of crude oil on the fan column and the fan column scraper, thus avoiding affecting the normal operation of the scraper device.

[0016] 2. An ultra-short radius horizontal well open-hole oil layer drainage aid device, which uses a scraper device to cause crude oil to fall between the scraper device and the collection device. The collection shovel is slidably connected to the inner wall of the oil pipeline and fits tightly against the inner wall of the oil pipeline. When the collection shovel moves to the corresponding position, it will collect the crude oil on the inner wall of the oil pipeline and let the crude oil enter the collection box. After the collection work is completed, the crude oil is recovered.

[0017] 3. A drainage aid for open-hole oil reservoirs in ultra-short radius horizontal wells, comprising a water tank, a water pump, and a water-cooled block forming a simple water-cooling device. The coolant in the water tank is transported to the water pump via pipe a, then to the water-cooled block via pipe b, and finally back to the water tank via pipe c. While in the water-cooled block, the coolant achieves its cooling effect through full contact with the motor housing. The motor generates heat during operation, but the sealed environment within the pipes results in low heat dissipation efficiency. The built-in fan alone cannot achieve heat dissipation within the pipes; therefore, a combination of an internal fan and a water-cooling system is required to protect the motor. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the external structure of an ultra-short radius horizontal well open-hole oil reservoir drainage aid device according to the present invention;

[0019] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0020] Figure 3 This is a schematic diagram of the scraper device of the present invention;

[0021] Figure 4 This is a schematic diagram of the external structure of the telescopic device of the present invention;

[0022] Figure 5 This is a schematic diagram of the internal structure of the telescopic device of the present invention;

[0023] Figure 6 This is a schematic diagram of the support device structure of the present invention;

[0024] Figure 7 This is a schematic diagram of the external structure of the electric motor of the present invention;

[0025] Figure 8 This is a schematic diagram of the internal structure of the electric motor of the present invention;

[0026] Figure 9 This is a schematic diagram of the storage device structure of the present invention;

[0027] Figure 10 This is a schematic diagram of the water cooling device of the present invention;

[0028] Figure 11 This is a schematic diagram of the structural layout of the water-cooling device of the present invention;

[0029] In the diagram: 1. Scraper device; 2. Telescopic device; 3. Support device; 4. Motor; 5. Storage device; 6. Water cooling device; 7. Oil pipeline; 11. Fan column; 12. Fan column scraper; 111. Pipe scraper; 112. Scraper heating rod chamber; 113. Scraper column; 121. Scraper heating rod chamber; 122. Scraper column; 21. Telescopic frame; 22. Telescopic rod; 23. Telescopic element; 24. Fan column scraper chamber; 31. Main support frame; 32. Secondary support frame; 33. Rotating shaft; 311. Support frame guardrail; 312. Support frame; 331. Rotating shaft transmission gear; 332. Motor transmission gear; 41. Motor housing; 42. Motor housing cover; 43. Fan cover; 44. Motor rotating shaft; 45. 411 Motor base; 412 Motor rotor; 431 Motor stator; 432 Fan blade; 433 Vent hole; 51 Storage shovel frame; 52 Storage box cover frame; 53 Storage box; 54 Motor frame; 55 Storage shovel; 56 Storage box cover; 61 Water tank; 62 Water pump; 63 Water-cooled block; 64 Water pipe a; 65 Water pipe b; 66 Water pipe c; 611 Water tank cover; 612 Water tank outlet; 613 Water tank inlet; 614 Water tank body; 621 Water pump cover; 622 Water pump inlet; 623 Water pump outlet; 624 Water pump base; 625 Water pump body; 631 Water-cooled block inlet; 632 Water-cooled block outlet; 633 Water-cooled block box. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0031] like Figures 1-8As shown, the present invention provides a technical solution: an ultra-short radius horizontal well open-hole oil reservoir drainage aid device, including a scraper device 1, the scraper device 1 including a fan column 11, the inner wall of the fan column 11 being provided with a rotating shaft 33, and the inner wall of the fan column 11 being fixedly connected to the outer surface of the rotating shaft 33, a telescopic device 2 being fixedly connected to the outer surface of the rotating shaft 33 near the fan column 11, the telescopic device 2 being fixedly connected to the fan column scraper 12 near the fan column 11, and a support device 3 being rotatably connected to the end of the rotating shaft 33 away from the fan column 11, the support device 3 including a secondary support frame 32, the top of the secondary support frame 32 being fixedly connected to a storage device 5, the storage device 5 including a motor frame 54, and a motor 4 being fixedly installed at the middle position of the upper surface of the motor frame 54. Water cooling devices 6 are fixedly installed on both sides of the upper surface of the motor frame 54. An oil pipeline 7 is slidably connected to the bottom of the storage device 5. The fan column 11 includes a pipe scraper 111, with a scraper heating rod chamber 112 on its surface, and the surface of the pipe scraper 111 is fixedly connected to the inner wall of the scraper heating rod chamber 112. A scraper column 113 is fixedly connected to the bottom of the pipe scraper 111. A fan column scraper 12 is slidably connected to the outer surface of the fan column 11. The fan column scraper 12 includes a scraper column 122, with a scraper heating rod chamber 121 on the outer surface of the top end of the scraper column 122, and the outer surface of the top end of the scraper column 122 is fixedly connected to the inner wall of the scraper heating rod chamber 121. The telescopic device 2 includes a telescopic frame 21. A telescopic element 23 is provided on the bottom surface of the wall, and the bottom surface of the inner wall of the telescopic frame 21 is fixedly connected to the surface of the telescopic element 23. A telescopic rod 22 is fixedly connected to the side of the telescopic element 23 away from the bottom surface of the inner wall of the telescopic frame 21. A fan column scraper chamber 24 is fixedly connected to the side of the telescopic rod 22 away from the telescopic frame 21. The support device 3 includes a secondary support frame 32. A rotating shaft 33 is fixedly connected to the inner wall of the secondary support frame 32. A rotating shaft transmission gear 331 is provided on the surface of the rotating shaft 33 near the secondary support frame 32, and the surface of the rotating shaft 33 near the secondary support frame 32 is fixedly connected to the inner wall of the rotating shaft transmission gear 331. A motor transmission gear 332 is connected to the surface of the rotating shaft transmission gear 331. The rotating shaft transmission gear 331 is located away from the secondary support frame 32. A main support frame 31 is rotatably connected to the side. The main support frame 31 includes a support frame 312, and a support frame guardrail 311 is fixedly connected to the top of the support frame 312. The motor 4 includes a motor housing 41, and a motor base 45 is fixedly connected to the bottom of the motor housing 41. A motor housing cover 42 is fixedly connected to the side of the motor housing 41 near the motor transmission gear 332, and a fan cover 43 is fixedly connected to the side of the motor housing 41 away from the motor housing cover 42. The fan cover 43 includes a vent hole 432. A motor shaft 44 is fixedly connected to the middle of the motor housing cover 42. A motor rotor 411 is provided on the outer surface of the motor shaft 44, and the outer surface of the motor shaft 44 is rotatably connected to the inner wall of the motor rotor 411.The outer surface of the motor rotor 411 is provided with a motor stator 412, and the outer surface of the motor rotor 411 is rotatably connected to the inner wall of the motor stator 412. A fan blade 431 is fixedly connected to the side of the motor shaft 44 near the fan cover 43.

[0032] During operation, the main support frame 31 in the support device 3 contacts the inner wall of the oil pipeline 7, providing overall support and ensuring stable operation of the rotating shaft 33 and the rotating shaft transmission gear 331. When the motor 4 is energized, it generates a rotating magnetic field, which interacts with the magnetic field of the stator, causing the motor rotor 411 to rotate against friction and inertia. This, in turn, causes the motor shaft 44 to rotate. Through the coordinated transmission of the motor shaft 44, the motor transmission gear 332, the rotating shaft transmission gear 331, and the rotating shaft 33, the telescopic device 2 and the scraper device 1 rotate with the rotating shaft 33. The rotational motion of the pipe scraper 111 and its close contact with the oil pipeline 7 scrape away the solidified crude oil on the inner wall of the oil pipeline 7. Under the influence of gravity, most of the crude oil will fall to the bottom of the scraper oil pipeline 7, while a small portion may stick to the pipe scraper 111. Through the reciprocating motion of the telescopic rod 22 in the telescopic device 2, the crude oil stuck to the pipe scraper 111 will be scraped away. Then, through the action of the scraper heating rod chamber 112 and the scraper heating rod chamber 121, the remaining crude oil on the pipe scraper 111 and the fan column scraper 12 will be heated and fall to the corresponding position.

[0033] The storage device 5 includes a storage box 53, a storage box cover frame 52 is fixedly connected to the outlet of the storage box 53, the storage box cover frame 52 includes a storage box cover 56, a storage shovel frame 51 is provided on the bottom surface of the storage box 53, and the bottom surface of the storage box 53 is fixedly connected to the upper surface of the storage shovel frame 51, the storage shovel frame 51 includes a storage shovel 55, and a motor frame 54 is fixedly connected to the inner wall of the storage box 53.

[0034] After the scraper device 1 scrapes the inner wall of the oil pipeline 7, the crude oil will fall onto the inner wall of the oil pipeline 7 between the scraper device 1 and the collection device 5 due to gravity. Through the close contact between the collection shovel 55 and the inner wall of the oil pipeline 7, the crude oil will be collected into the collection box 53 and recycled after the work is completed.

[0035] The water cooling device 6 includes a water tank 61, which includes a tank body 614. A tank cover 611 is provided at the top of the tank body 614, and the top of the tank body 614 is hinged to the bottom of the tank cover 611. A water tank outlet 612 is fixedly installed on the surface of the tank body 614 near the motor drive gear 332, and a water tank inlet 613 is fixedly connected to the surface of the tank body 614 away from the motor drive gear 332. A water pipe a64 is provided on the inner wall of the water tank outlet 612, and the inner wall of the water tank outlet 612 is fixedly connected to the outer surface of the water pipe a64. A water pipe c66 is installed on the inner wall of the water inlet 613, and the inner wall of the water tank inlet 613 is fixedly connected to the outer surface of the water pipe c66. The water cooling device 6 includes a water pump 62, which includes a water pump housing 625. A water pump base 624 is installed on the bottom surface of the water pump housing 625, and the bottom surface of the water pump housing 625 is fixedly connected to the upper surface of the water pump base 624. A motor bracket 54 is fixedly connected to the bottom surface of the water pump base 624. A water pump cover 621 is installed on the side of the water pump housing 625 near the water pipe a64, and the side of the water pump housing 625 near the water pipe a64 and the side of the water pump cover 621 away from the water pipe a64 are also provided. A water pump inlet 622 is fixedly connected to the side of the water pump cover 621 away from the water pump housing 625. A water pump outlet 623 is fixedly connected to the top of the water pump housing 625. A water pipe a64 is provided on the inner wall of the water pump inlet 622, and the inner wall of the water pump inlet 622 is fixedly connected to the outer surface of the water pipe a64 away from the water tank outlet 612. A water pipe b65 is provided on the inner wall of the water pump outlet 623, and the inner wall of the water pump outlet 623 is fixedly connected to the outer surface of the water pipe b65. The water cooling device 6 includes a water cooling block 63, and the water cooling block 63 includes a water cooling block box 633. A motor housing 41 is fixedly connected to the inner wall of the water-cooled block box 633. A water-cooled block outlet 632 is fixedly connected to the side of the water-cooled block box 633 near the water tank 61. A water-cooled block inlet 631 is fixedly connected to the side of the water-cooled block box 633 near the water pump 62. A water pipe c66 is provided on the inner wall of the water-cooled block outlet 632, and the inner wall of the water-cooled block outlet 632 is fixedly connected to the outer surface of the water pipe c66 away from the water tank inlet 613. A water pipe b65 is provided on the inner wall of the water-cooled block inlet 631, and the inner wall of the water-cooled block inlet 631 is fixedly connected to the outer surface of the water pipe b65 away from the water pump outlet 623.

[0036] A simple water-cooling device 6 is constructed by a water tank 61, a water pump 62, and a water-cooling block 63. In the device, the coolant is in the water tank 61, and is transported to the water pump 62 through water pipe a64, then to the water-cooling block 63 through water pipe b65, and finally returns to the water tank 61 through water pipe c66. When the coolant is in the water-cooling block 63, it exerts its cooling effect through full contact with the motor housing 41. The motor 4 will generate heat during operation, but the sealed environment in the oil pipeline 7 makes the heat dissipation efficiency low. The built-in fan alone cannot achieve the purpose of heat dissipation in the pipeline. Therefore, the combination of the built-in fan and the water-cooling device 6 is required to protect the motor 4, so that the motor 4 can work stably and increase its service life.

[0037] Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. An ultra-short radius horizontal well open hole reservoir cleanup device, characterized in that: The device includes a scraper device (1), which includes a fan column (11). The inner wall of the fan column (11) is provided with a rotating shaft (33), and the inner wall of the fan column (11) is fixedly connected to the outer surface of the rotating shaft (33). A telescopic device (2) is fixedly connected to the outer surface of the rotating shaft (33) near the fan column (11). A fan column scraper (12) is fixedly connected to the side of the telescopic device (2) near the fan column (11). A support device (3) is rotatably connected to the end of the rotating shaft (33) away from the fan column (11). The support device (3) includes a secondary support frame (32). A storage device (5) is fixedly connected to the top of the secondary support frame (32). The storage device (5) includes a motor frame (54). A motor (4) is fixedly installed in the middle of the upper surface of the motor frame (54). A water cooling device (6) is fixedly installed on both sides of the upper surface of the motor frame (54). An oil pipeline (7) is slidably connected to the bottom of the storage device (5).

2. The ultra-short radius horizontal well open-hole oil reservoir drainage aid device according to claim 1, characterized in that: The fan column (11) includes a pipe scraper (111), the surface of which is provided with a scraper heating rod chamber (112), and the surface of the pipe scraper (111) is fixedly connected to the inner wall of the scraper heating rod chamber (112). A scraper column (113) is fixedly connected to the bottom of the pipe scraper (111). A fan column scraper (12) is slidably connected to the outer surface of the fan column (11). The fan column scraper (12) includes a scraper column (122), the outer surface of the top end of the scraper column (122) is provided with a scraper heating rod chamber (121), and the outer surface of the top end of the scraper column (122) is fixedly connected to the inner wall of the scraper heating rod chamber (121).

3. The ultra-short radius horizontal well open-hole oil reservoir drainage aid device according to claim 1, characterized in that: The telescopic device (2) includes a telescopic frame (21), and a telescopic element (23) is provided on the bottom surface of the inner wall of the telescopic frame (21). The bottom surface of the inner wall of the telescopic frame (21) is fixedly connected to the surface of the telescopic element (23). A telescopic rod (22) is fixedly connected to the side of the telescopic element (23) away from the bottom surface of the inner wall of the telescopic frame (21). A fan column scraper chamber (24) is fixedly connected to the side of the telescopic rod (22) away from the telescopic frame (21).

4. The ultra-short radius horizontal well open-hole oil reservoir drainage aid device according to claim 1, characterized in that: The support device (3) includes a secondary support frame (32), a rotating shaft (33) is fixedly connected to the inner wall of the secondary support frame (32), a rotating shaft transmission gear (331) is provided on the surface of the rotating shaft (33) near the secondary support frame (32), and the surface of the rotating shaft (33) near the secondary support frame (32) is fixedly connected to the inner wall of the rotating shaft transmission gear (331). The rotating shaft transmission gear (331) is connected to the surface of the rotating shaft transmission gear (331) via gear transmission to a motor transmission gear (332). The rotating shaft transmission gear (331) is rotatably connected to the side of the rotating shaft transmission gear (331) away from the secondary support frame (32). The main support frame (31) includes a support frame (312), and a support frame guardrail (311) is fixedly connected to the top of the support frame (312).

5. The ultra-short radius horizontal well open-hole oil reservoir drainage aid device according to claim 1, characterized in that: The motor (4) includes a motor housing (41), a motor base (45) is fixedly connected to the bottom of the motor housing (41), a motor housing cover (42) is fixedly connected to the side of the motor housing (41) near the motor transmission gear (332), a fan cover (43) is fixedly connected to the side of the motor housing (41) away from the motor housing cover (42), the fan cover (43) includes a vent hole (432), a motor shaft (44) is fixedly connected to the middle position of the motor housing cover (42), a motor rotor (411) is provided on the outer surface of the motor shaft (44), and the outer surface of the motor shaft (44) is rotatably connected to the inner wall of the motor rotor (411), a motor stator (412) is provided on the outer surface of the motor rotor (411), and the outer surface of the motor rotor (411) is rotatably connected to the inner wall of the motor stator (412), and a fan blade (431) is fixedly connected to the side of the motor shaft (44) near the fan cover (43).

6. The ultra-short radius horizontal well open-hole oil reservoir drainage aid device according to claim 1, characterized in that: The storage device (5) includes a storage box (53), a storage box cover frame (52) is fixedly connected to the outlet of the storage box (53), the storage box cover frame (52) includes a storage box cover (56), a storage shovel frame (51) is provided on the bottom surface of the storage box (53), and the bottom surface of the storage box (53) is fixedly connected to the upper surface of the storage shovel frame (51), the storage shovel frame (51) includes a storage shovel (55), and a motor frame (54) is fixedly connected to the inner wall of the storage box (53).

7. The ultra-short radius horizontal well open-hole oil reservoir drainage aid device according to claim 1, characterized in that: The water cooling device (6) includes a water tank (61), the water tank (61) includes a water tank body (614), the top of the water tank body (614) is provided with a water tank cover (611), and the top of the water tank body (614) is hinged to the bottom of the water tank cover (611). A water tank outlet (612) is fixedly installed on the surface of the water tank body (614) near the motor drive gear (332). 14) A water tank inlet (613) is fixedly connected to the surface away from the motor drive gear (332). A water pipe a (64) is provided on the inner wall of the water tank outlet (612), and the inner wall of the water tank outlet (612) is fixedly connected to the outer surface of the water pipe a (64). A water pipe c (66) is provided on the inner wall of the water tank inlet (613), and the inner wall of the water tank inlet (613) is fixedly connected to the outer surface of the water pipe c (66).

8. The ultra-short radius horizontal well open-hole oil reservoir drainage aid device according to claim 7, characterized in that: The water cooling device (6) includes a water pump (62), which includes a water pump housing (625). A water pump base (624) is provided on the bottom surface of the water pump housing (625), and the bottom surface of the water pump housing (625) is fixedly connected to the upper surface of the water pump base (624). A motor bracket (54) is fixedly connected to the bottom surface of the water pump base (624). A water pump cover (621) is provided on the side of the water pump housing (625) near the water pipe a (64), and the side of the water pump housing (625) near the water pipe a (64) and the side of the water pump cover (621) away from the water pipe a (64) are respectively. The pump cover (621) is fixedly connected to a pump inlet (622) on the side away from the pump housing (625). The pump housing (625) is fixedly connected to a pump outlet (623) at the top. A water pipe a (64) is provided on the inner wall of the pump inlet (622), and the inner wall of the pump inlet (622) is fixedly connected to the outer surface of the water pipe a (64) on the side away from the water tank outlet (612). A water pipe b (65) is provided on the inner wall of the pump outlet (623), and the inner wall of the pump outlet (623) is fixedly connected to the outer surface of the water pipe b (65).

9. The ultra-short radius horizontal well open-hole oil reservoir drainage aid device according to claim 8, characterized in that: The water-cooling device (6) includes a water-cooled block (63), which includes a water-cooled block box (633). An electric motor box (41) is fixedly connected to the inner wall of the water-cooled block box (633). A water-cooled block outlet (632) is fixedly connected to the side of the water-cooled block box (633) near the water tank (61), and a water-cooled block inlet (631) is fixedly connected to the side of the water-cooled block box (633) near the water pump (62). The water-cooled block outlet (632) has a water pipe c (66) on its inner wall, and the inner wall of the water-cooled block outlet (632) is fixedly connected to the outer surface of the water pipe c (66) on the side away from the water tank inlet (613). The water-cooled block inlet (631) has a water pipe b (65) on its inner wall, and the inner wall of the water-cooled block inlet (631) is fixedly connected to the outer surface of the water pipe b (65) on the side away from the water pump outlet (623).

Citation Information

Patent Citations

  • Crude oil pipeline internal surface scraper

    CN205270280U

  • Discharge assisting device for open hole oil layer of ultra-short radius horizontal well

    CN218237087U