High-stability high-leakage-stoppage device for horizontal well
By designing a high stability and high leakage plugging device for horizontal wells including conveying pipelines, clamping installation devices, leak plugging devices and limiting slide rails, the problem of cumbersome installation and maintenance of existing devices is solved, convenient installation and maintenance is achieved, and the efficiency and practicality of the device are improved.
Patent Information
- Application Number
- CN202421470993.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The existing horizontal well devices are cumbersome during installation and maintenance, and are not convenient for inspection and maintenance, and are poor in use.
A high stability and high leakage plugging device including conveying pipes, clamping installation devices, leak plugging devices and limiting slide rails is designed. By setting up a fastening plate and a sliding clamping frame, convenient installation and disassembly are achieved.
It improves the efficiency of the device, facilitates the installation and maintenance operations of staff, enhances the practicality of the device, and reduces the cumbersomeness of later installation.
Smart Images

Figure CN222835734U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of leak sealing equipment technology, and in particular to a highly stable and leak-sealing device for horizontal wells. Background Technology
[0002] Well completion refers to the process of connecting the well bottom and the oil-bearing formation with a specific structure after an open-hole well has been drilled to its designed depth. Well completion is the final and crucial step in drilling operations and the beginning of oil production, closely linked to subsequent oil production, water injection, and the overall development of the oil and gas field. The quality of oil well completion directly affects the well's production capacity and economic lifespan, and even the rational development of the entire oil field.
[0003] When using the existing equipment, if other devices or workpieces need to be installed for construction procedures, it usually requires workers to install and fix them multiple times, which makes the later installation process quite cumbersome. At the same time, when the equipment is damaged, it is inconvenient for workers to inspect and repair it later, resulting in poor usability.
[0004] Therefore, it is necessary to provide a highly stable and effective plugging device for horizontal wells to solve the above-mentioned technical problems. Utility Model Content
[0005] This utility model provides a highly stable and leak-stopping device for horizontal wells, which solves the problem that when other devices or workpieces need to be installed for construction procedures, workers usually need to install and fix them multiple times, which makes the later installation process cumbersome.
[0006] To solve the above-mentioned technical problems, this utility model provides a high-stability, high-leakage-sealing device for horizontal wells, comprising: a conveying pipe; a clamping installation device is provided on the inner wall of the left end of the conveying pipe; a docking installation plate is provided inside the side end of the clamping installation device; a leakage-sealing device is provided on the inner wall of the right end of the conveying pipe; a discharge hole is provided on the inner wall of the side end of the leakage-sealing device; a limiting slide rail is provided on the inner wall of the side end of the limiting slide rail; a sliding groove is provided on the inner wall of the side end of the sliding groove; a fixing hole is provided on the inner wall of the sliding groove; a sliding clamping frame is provided inside the sliding clamping frame; a storage leakage-sealing device is provided inside the middle of the sliding clamping frame; an installation bolt is provided inside the middle of the fixing hole; a fastening plate is fixedly connected to the inner wall of the side end of the leakage-sealing device; a fastening hole is provided on the inner wall of the side end of the fastening plate; and a fixing bolt is provided inside the middle of the fastening hole.
[0007] Preferably, a protective support ring is provided on the inner wall of each side end of the conveying pipeline, and a protective support rod is fixedly connected between the inner walls of each side end of the protective support ring.
[0008] Preferably, the clamping installation device has a limiting cavity in the middle, and a fixing groove is provided on the inner wall of both ends of the limiting cavity. A sliding groove is provided on the inner wall of the side end of the fixing groove. A clamping installation plate is fixedly connected to the inner wall of the side end of the docking installation plate. A locking rod is provided on the inner wall of both ends of the clamping installation plate, and a locking bolt is provided on the inner wall of the side end of the locking rod.
[0009] Preferably, mounting holes are provided on the inner wall of the side end of the mounting plate.
[0010] Preferably, a fastening ring is provided on the inner wall of the side end of the fastening plate, and a fixing plate is fixedly connected to the inner wall of the top of both ends of the fastening ring. A fixing through hole is provided on the inner wall of the side end of the fixing plate, and a fastening bolt is provided in the middle of the fixing through hole. A fastening nut is provided on the inner wall of both ends of the fastening bolt.
[0011] Preferably, each of the leak-sealing devices is provided with a mounting base on the inner wall of its side end, and each of the mounting bases is provided with a positioning rod on the inner wall of its side end.
[0012] Compared with related technologies, the high-stability and high-plugging device for horizontal wells provided by this utility model has the following beneficial effects:
[0013] This utility model provides a highly stable and leak-sealing device for horizontal wells. During use, to improve the device's effectiveness, a fastening plate and other structures allow for convenient installation and fixation of internal components, facilitating installation and disassembly by workers and improving their work efficiency. It also facilitates inspection and maintenance, enhancing the device's practicality. Furthermore, since a drive unit is typically required for daily use, the included clamping installation device facilitates easy installation and fixation of the drive unit, reducing the complexity of later installations. Attached Figure Description
[0014] Figure 1 A schematic diagram of a preferred embodiment of a high-stability, high-plugging device for horizontal wells provided by this utility model;
[0015] Figure 2 for Figure 1 The diagram shows the structure of the docking mounting plate.
[0016] Figure 3 for Figure 1 A front view schematic diagram of a high-stability, high-plugging device for horizontal wells is shown.
[0017] Figure 4 for Figure 1 The diagram shows the structure of the clamping and mounting device.
[0018] Figure 5 for Figure 1 The diagram shows the structure of the leak-sealing device.
[0019] Figure 6 for Figure 1 The diagram shows the structure of the fastening ring.
[0020] The diagram is labeled as follows: 1. Conveying pipe; 2. Protective support ring; 3. Protective support rod; 4. Clamping installation device; 5. Limiting cavity; 6. Fixed slot; 7. Sliding slot; 8. Clamping installation plate; 9. Connecting installation plate; 10. Installation hole; 11. Locking rod; 12. Locking bolt; 13. Leak-sealing device; 14. Discharge hole; 15. Fastening plate; 16. Fastening hole; 17. Fixing bolt; 18. Limiting slide rail; 19. Sliding groove; 20. Fixed hole; 21. Storage leak-sealing device; 22. Sliding clamping frame; 23. Installation bolt; 24. Fastening ring; 25. Fixed plate; 26. Fixed through hole; 27. Fastening bolt; 28. Fastening nut; 29. Installation base; 30. Positioning rod. Detailed Implementation
[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0022] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , Figure 6 ,in, Figure 1 A schematic diagram of a preferred embodiment of a high-stability, high-plugging device for horizontal wells provided by this utility model;
[0023] Figure 2 for Figure 1 The diagram shows the structure of the docking mounting plate. Figure 3 for Figure 1 A front view schematic diagram of a high-stability, high-plugging device for horizontal wells is shown. Figure 4 for Figure 1 The diagram shows the structure of the clamping and mounting device. Figure 5 for Figure 1 The diagram shows the structure of the leak-sealing device. Figure 6 for Figure 1The diagram shows the structure of the fastening ring. A high-stability, high-leakage-sealing device for a horizontal well includes: a delivery pipe 1, a clamping installation device 4 installed on the inner wall of the left end of the delivery pipe 1, a mating installation plate 9 installed inside the side end of the clamping installation device 4, a leak-sealing device 13 installed on the inner wall of the right end of the delivery pipe 1, discharge holes 14 installed on the inner wall of the side end of the leak-sealing device 13, and limit slide rails 18 installed on the inner walls of both ends of the leak-sealing device 13, with sliding grooves 1 on the inner walls of the side ends of the limit slide rails 18. 9. Fixing holes 20 are provided on the inner walls of both ends of the sliding groove 19. A sliding clamping frame 22 is provided inside the sliding groove 19. A storage plugging device 21 is provided in the middle of the sliding clamping frame 22. An installation bolt 23 is provided in the middle of the fixing hole 20. A fastening plate 15 is fixedly connected to the inner wall of the side end of the plugging device 13. A fastening hole 16 is provided on the inner wall of the side end of the fastening plate 15. A fixing bolt 17 is provided in the middle of the fastening hole 16.
[0024] Each side of the conveying pipe 1 is provided with a protective support ring 2, and a protective support rod 3 is fixedly connected between the side inner walls of the protective support ring 2. When the device is in use, the segmented device workpiece can protect the surface of the device pipe, thereby improving the service life of the device pipe.
[0025] The clamping installation device 4 has a limiting cavity 5 in the middle. The inner walls of both ends of the limiting cavity 5 are provided with fixing grooves 6. The inner walls of the side ends of the fixing grooves 6 are provided with sliding grooves 7. The clamping installation plate 8 is fixedly connected to the inner wall of the side end of the docking installation plate 9. The inner walls of both ends of the clamping installation plate 8 are provided with locking rods 11. The inner walls of the side ends of the locking rods 11 are provided with locking bolts 12. When installing and fixing other workpieces, the device can first be clamped into the limiting cavity 5 inside the clamping installation device 4 by rotating the clamping installation plate 8, and then locked and fixed by the locking bolts 12 on the inner wall of the clamping installation plate 8, which reduces the later installation trouble.
[0026] The inner wall of the side end of the mounting plate 9 is provided with mounting holes 10. When the device needs to install and use other workpieces, it can facilitate the staff to install and fix other device workpieces, thereby improving the installation efficiency of the device.
[0027] A fastening ring 24 is provided on the inner wall of the side end of the fastening plate 15. A fixing plate 25 is fixedly connected to the inner wall of the top of both ends of the fastening ring 24. A fixing through hole 26 is provided on the inner wall of the side end of the fixing plate 25. A fastening bolt 27 is provided in the middle of the fixing through hole 26. A fastening nut 28 is provided on the inner wall of both ends of the fastening bolt 27. When the device workpiece is installed and fastened, the device workpiece can be further installed tightly, reducing the loosening phenomenon during use.
[0028] Each of the leak-sealing devices 13 has a mounting base 29 on its inner side wall, and each of the mounting bases 29 has a positioning rod 30 on its inner side wall. This facilitates the positioning of one end inside the hole, protects the inner wall of the workpiece side of the device, and improves the service life of the device.
[0029] The working principle of the high-stability and high-leakage-sealing device for horizontal wells provided by this utility model is as follows:
[0030] During normal use, when leak sealing is required, the conveying pipe 1 can be placed inside the device, and the leak sealing device 13 at one end of the conveying pipe 1 can be moved to the location where leak sealing is needed. Then, cement slurry and other materials are conveyed through the conveying pipe 1 to the leak sealing device 13. The inner wall of the side end of the leak sealing device 13 is provided with discharge holes 14. The cement slurry will then be discharged through the discharge holes 14 to the storage leak sealing device 21, and the storage leak sealing device 21 will be used to seal the location where leak sealing is needed. Before use, the leak sealing device 13 can be clamped onto the inner wall of one end of the conveying pipe 1. Then, the multiple fastening plates 15 on the side end of the leak sealing device 13 are used to limit the installation onto the inner wall of the side end of the conveying pipe 1 for easy installation. At the same time, when the storage leak sealing device 21 needs to be installed, it can be slidably installed into the limiting slide rail 18 for easy installation, which will facilitate subsequent installation and fixing.
[0031] Compared with related technologies, the high-stability and high-plugging device for horizontal wells provided by this utility model has the following beneficial effects:
[0032] In order to improve the effectiveness of the device during use, the fastening plate 15 and other structures can be used to conveniently install and fix the workpiece inside the device, which is convenient for the staff to install and disassemble, improves the work efficiency of the staff, and facilitates inspection and maintenance, thus improving the practicality of the device. In addition, the device usually needs to install a drive device during daily use. The clamping installation device 4 can be used to conveniently install and fix the drive device, reducing the tediousness of later installation.
[0033] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A high stability and high plugging device for horizontal wells, characterized in that: include: A conveying pipeline, a clamping installation device is provided on the inner wall of the left end of the conveying pipeline, a docking installation plate is provided inside the side end of the clamping installation device, a leak-proof device is provided on the inner wall of the right end of the conveying pipeline, and discharge holes are provided on the inner walls of the side ends of the leak-proof device, limiting slide rails are provided on the inner walls at both ends of the leak-proof device, sliding grooves are provided on the inner walls at the side ends of the limiting slide rails, and fixing holes are provided on the inner walls at both ends of the sliding grooves, a sliding clamping frame is provided inside the sliding groove, a storage leak-proof device is provided in the middle of the sliding clamping frame, a mounting bolt is provided in the middle of the fixing hole, a fastening plate is fixedly connected to the inner wall of the side end of the leak-proof device, fastening holes are provided on the inner wall of the side end of the fastening plate, and a fixing bolt is provided inside the middle of the fastening hole.
2. A high stability and high plugging device for horizontal wells according to claim 1, characterized in that: The inner walls of the side ends of the conveying pipeline are all provided with protective support rings, and the inner walls of the side ends of the protective support rings are all fixedly connected with protective support rods.
3. A high stability and high plugging device for horizontal wells according to claim 1, characterized in that: A limited cavity is arranged inside the middle of the clamping installation device, and fixed slots are arranged on the inner walls at both ends of the limited cavity, and sliding slots are arranged on the inner walls at the side ends of the fixed slots. A clamping installation plate is fixedly connected to the inner wall at the side end of the docking installation plate, and locking rods are arranged on the inner walls at both ends of the clamping installation plate, and locking bolts are arranged on the inner walls at the side ends of the locking rods.
4. A high stability and high plugging device for horizontal wells according to claim 1, characterized in that: The inner walls of the side ends of the docking mounting plates are all provided with mounting holes.
5. The high stability and high leakage plugging device for horizontal wells according to claim 1, characterized in that: A fastening ring is arranged on the inner wall of the side end of the fastening plate, and a fixing plate is fixedly connected to the inner wall of the top of both ends of the fastening ring. A fixing through hole is arranged on the inner wall of the side end of the fixing plate, and a fastening bolt is arranged in the middle of the fixing through hole. Fastening nuts are arranged on the inner walls of both ends of the fastening bolt.
6. A high stability and high plugging device for horizontal wells according to claim 1, characterized in that: The inner wall of the side end of the leak-blocking device is provided with a mounting base, and the inner wall of the side end of the mounting base is provided with a positioning rod.