Intelligent water distributor
By designing intelligent water distributors, using electromagnetic flowmeters and ball screw structures to achieve fine regulation of downhole water flow, solving the problems of low water injection efficiency and cumbersome operation in offshore oil fields, and improving water injection efficiency and safety.
Patent Information
- Application Number
- CN202420097320.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-15
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-01-15
AI Technical Summary
Among the dispensing technology used in offshore oil fields, the water injection in oil fields is mostly formation water and production sewage, which leads to oil layer pollution and affects the water injection volume. It is difficult to achieve large-scale underground displacement and adjustable underground pipe column replacement operations, and labor intensity. Large, unable to remotely regulate.
An intelligent water distributor is designed, including an upper joint, main body and lower joint, with built-in electromagnetic flowmeter, motor, coupling and ball screw screw. Remote operation is achieved through cable control, which can automatically detect and adjust water flow and realize downhole. Large displacement is fine and adjustable.
It realizes fine regulation of downhole water flow, reduces labor intensity, avoids fishing operations, improves water injection efficiency and accuracy, and simplifies the pipe column replacement process.
Smart Images

Figure CN222276640U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water distributors, in particular to an intelligent water distributor. Background Art
[0002] At present, the injection technology used in offshore oil fields does not have a well washing channel; the water injected into the oil field is mostly formation water and production wastewater, and the pipe string is seriously scaled, which leads to: oil layer pollution, affecting the water injection volume; the water distributor cannot be put into place or cannot be fished out; the pipe string cannot be lifted during the pipe string replacement operation, resulting in major repair operations, and cannot achieve large-volume fine and adjustable water injection downhole. The deployment time is long, the labor intensity is high, and it cannot be remotely controlled. For this reason, the utility model proposes an intelligent water distributor, which can regularly flush the inside and outside of the pipe string and near the well to eliminate the influence of mechanical impurities on water injection. At the same time, the ground automatic measurement and adjustment of the washable well injection process can be remotely controlled, providing a way for fine water injection in oil fields. Utility Model Content
[0003] In view of the deficiencies in the prior art, the utility model provides an intelligent water distributor, which solves the problems in the above-mentioned background technology.
[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: an intelligent water distributor, comprising an upper joint, a main body and a lower joint, an upper sleeve is arranged between the upper joint and the main body of the upper joint, a cable sealing assembly is arranged inside the upper joint, an upper core tube is arranged inside the upper sleeve, an upper electromagnetic flowmeter is arranged in the middle of the upper core tube, and a circuit board and a motor are arranged inside the upper sleeve;
[0005] The output end of the motor is provided with a coupling, the end of the coupling is provided with a ball screw, the outer side of the ball screw is provided with a thrust ball bearing and a bearing spacer ring, the outer side of the ball screw is provided with a ball screw nut, the end of the ball screw nut is provided with a guide block and a transmission rod, the interior of the main body is provided with an inner valve seat, an outer valve seat and an adapter groove, and the end of the transmission rod is provided with a valve plate;
[0006] A lower sleeve and a lower core pipe are arranged between the main body and the lower joint, a lower electromagnetic flowmeter is arranged in the middle of the lower core pipe, and flowmeter liners are arranged inside the upper core pipe and the lower core pipe.
[0007] As a further technical solution of the utility model, sealing rings are arranged between the cable sealing assembly and the upper joint and the lower joint. The number of the cable sealing assemblies is two groups and they are symmetrically distributed. A sealing ring is arranged between the upper joint and the upper sleeve. The upper electromagnetic flowmeter and the lower electromagnetic flowmeter are electrically connected to the circuit board, and the circuit board is connected to the external control system.
[0008] As a further technical solution of the utility model, a motor seat is arranged between the motor and the upper sleeve, and the motor and the motor seat are fixedly connected by screws, the output end of the motor and the coupling are fixedly connected by screws, and the ball screw and the coupling are fixedly connected.
[0009] As a further technical solution of the utility model, the thrust ball bearings are in two groups and are symmetrically distributed, the two sides of the bearing spacer ring are in fit with the two groups of thrust ball bearings, the ball screw nut is adapted to the ball screw screw, a hexagon socket head screw is provided between the ball screw nut and the guide block, and the guide block is connected to the transmission rod.
[0010] As a further technical solution of the utility model, a sealing ring and a circular wave spring are arranged between the inner valve seat and the main body, the outer valve seat is adapted to the main body, a through hole is opened on one side of the main body close to the inner valve seat, and the adaption groove is adapted to the valve plate.
[0011] As a further technical solution of the utility model, a sealing ring is arranged between the lower casing and the lower joint, a sealing ring is arranged between the lower core tube and the main body and the lower joint, and the upper joint, upper core tube, lower core tube and lower joint are all concentric structures with the main body.
[0012] The utility model provides an intelligent water distributor. Compared with the prior art, it has the following beneficial effects: during the use of the water distributor, the user inserts a cable into the interior of the cable sealing assembly to connect with the circuit board, controls it on the ground, and can start the motor through the circuit board. Under the fixing action of the coupling, the output end of the motor drives the coupling and the ball screw to rotate, and at the same time, the ball screw rotates along the middle of the thrust ball bearing and the ball screw nut, so that the ball screw nut moves, and then drives the guide block and the transmission rod to move. During the movement of the transmission rod, the valve plate is further driven to move along the inside of the adapter groove, so as to close and open the through hole on one side of the main body. The water flow rate can be detected simultaneously by the upper electromagnetic flowmeter and the lower electromagnetic flowmeter, so as to realize large-volume finely adjustable water injection underground, and the valve plate can be completely closed;
[0013] The main channel and the main body are concentric structures, and the upper electromagnetic flowmeter and the lower electromagnetic flowmeter are used for simultaneous measurement. The water nozzle adopts a valve plate type valve plate, which can achieve fine adjustment and complete closure. The transmission part adopts a ball screw structure, which can increase the push and pull force of the transmission rod. In conjunction with cables and other equipment, it can realize automatic underground sealing inspection, automatic flow adjustment and monitoring functions, without the need for casting and salvaging operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1It is a cross-sectional structural schematic diagram of an intelligent water distributor;
[0015] Figure 2 A smart water distributor Figure 1 The enlarged view of point A in the middle;
[0016] Figure 3 A smart water distributor Figure 1 The enlarged view of point B in the middle;
[0017] Figure 4 A smart water distributor Figure 1 Enlarged view of point C in the middle;
[0018] Figure 5 This is a valve plate opening state diagram of an intelligent water distributor;
[0019] Figure 6 This is a diagram of the valve plate closed state of an intelligent water distributor.
[0020] In the figure: 1. upper connector; 2. cable sealing assembly; 3. upper casing; 4. upper core tube; 5. flow meter lining; 6. upper electromagnetic flow meter; 7. circuit board; 8. motor; 9. coupling; 10. ball screw; 11. thrust ball bearing; 12. bearing spacer ring; 13. ball screw nut; 14. guide block; 15. transmission rod; 16. inner valve seat; 17. outer valve seat; 18. valve plate; 19. main body; 20. adapter groove; 21. lower casing; 22. lower core tube; 23. lower electromagnetic flow meter; 24. lower connector. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-4 , the utility model provides a technical solution of an intelligent water distributor: an intelligent water distributor, comprising an upper joint 1, a main body 19 and a lower joint 24, an upper sleeve 3 is arranged between the upper joint 1 and the main body 19 of the upper joint 1, a cable sealing assembly 2 is arranged inside the upper joint 1, an upper core tube 4 is arranged inside the upper sleeve 3, an upper electromagnetic flowmeter 6 is arranged in the middle of the upper core tube 4, and a circuit board 7 and a motor 8 are arranged inside the upper sleeve 3;
[0023] Among them, a coupling 9 is provided at the output end of the motor 8, a ball screw 10 is provided at the end of the coupling 9, a thrust ball bearing 11 and a bearing spacer ring 12 are provided on the outside of the ball screw 10, a ball screw nut 13 is provided on the outside of the ball screw 10, a guide block 14 and a transmission rod 15 are provided at the end of the ball screw nut 13, an inner valve seat 16, an outer valve seat 17 and an adapter groove 20 are provided inside the main body 19, a valve plate 18 is provided at the end of the transmission rod 15, a lower sleeve 21 and a lower core tube 22 are provided between the main body 19 and the lower joint 24, a lower electromagnetic flowmeter 23 is provided in the middle of the lower core tube 22, and a flowmeter liner 5 is provided inside the upper core tube 4 and the lower core tube 22.
[0024] See also Figure 1-3 Sealing rings are arranged between the cable sealing assembly 2 and the upper joint 1 and the lower joint 24. There are two groups of cable sealing assemblies 2 and they are symmetrically distributed. A sealing ring is arranged between the upper joint 1 and the upper sleeve 3. The upper electromagnetic flowmeter 6 and the lower electromagnetic flowmeter 23 are electrically connected to the circuit board 7. The circuit board 7 is connected to the external control system, which is conducive to controlling the start and stop of the motor 8.
[0025] See also Figure 1-3 A motor seat is provided between the motor 8 and the upper sleeve 3, and the motor 8 and the motor seat are fixedly connected by screws, the output end of the motor 8 and the coupling 9 are fixedly connected by screws, and the ball screw 10 and the coupling 9 are fixedly connected, which is conducive to driving the ball screw 10 to rotate.
[0026] See also Figure 1-3 There are two groups of thrust ball bearings 11 and they are symmetrically distributed. Both sides of the bearing spacer ring 12 fit with the two groups of thrust ball bearings 11. The ball screw nut 13 fits with the ball screw screw 10. A hexagon socket head screw is provided between the ball screw nut 13 and the guide block 14. The guide block 14 is connected to the transmission rod 15. A sealing ring and a round wave spring are provided between the inner valve seat 16 and the main body 19. The outer valve seat 17 fits with the main body 19. A through hole is provided on one side of the main body 19 close to the inner valve seat 16. The adaption groove 20 fits with the valve plate 18, which is conducive to driving the valve plate 18 to open and close.
[0027] See also Figure 1 and Figure 4 A sealing ring is arranged between the lower sleeve 21 and the lower joint 24, and a sealing ring is arranged between the lower core tube 22 and the main body 19 and the lower joint 24. The upper joint 1, the upper core tube 4, the lower core tube 22 and the lower joint 24 are all concentric structures with the main body 19, which is conducive to cooperating with the upper electromagnetic flowmeter 6 and the lower electromagnetic flowmeter 23 to detect two groups of flow rates.
[0028] The working principle of the utility model is as follows: during the use of the water distributor, the user inserts a cable into the interior of the cable sealing assembly 2 to connect with the circuit board 7, and controls it on the ground. The motor 8 can be started through the circuit board 7. Under the fixing action of the coupling 9, the output end of the motor 8 drives the coupling 9 and the ball screw 10 to rotate, and at the same time, the ball screw 10 rotates along the middle of the thrust ball bearing 11 and the ball screw nut 13, so that the ball screw nut 13 moves, and then drives the guide block 14 and the transmission rod 15 to move. During the movement of the transmission rod 15, the valve plate 18 is further driven to move along the inside of the adapter groove 20, thereby closing and opening the through hole on one side of the main body 19. The water flow rate can be detected simultaneously by the upper electromagnetic flowmeter 6 and the lower electromagnetic flowmeter 23, thereby realizing large-volume finely adjustable water injection underground, and the valve plate 18 can be completely closed.
[0029] It should be noted that the main channel and the main body 19 are concentric structures, and the upper electromagnetic flowmeter 6 and the lower electromagnetic flowmeter 23 are used for simultaneous measurement. The water nozzle adopts the valve plate 18 as a valve plate type, which can achieve fine adjustment and complete closure. The transmission part adopts a ball screw structure, which can increase the push and pull force of the transmission rod 15. In conjunction with cables and other equipment, it can realize automatic underground sealing inspection, automatic flow adjustment and monitoring functions, without the need for salvage operations.
Claims
1. An intelligent water distributor, comprising an upper connector (1), a main body (19) and a lower connector (24), characterized in that: An upper sleeve (3) is arranged between the upper joint (1) and the main body (19) of the upper joint (1), a cable sealing assembly (2) is arranged inside the upper joint (1), an upper core tube (4) is arranged inside the upper sleeve (3), an upper electromagnetic flowmeter (6) is arranged in the middle of the upper core tube (4), and a circuit board (7) and a motor (8) are arranged inside the upper sleeve (3); The output end of the motor (8) is provided with a coupling (9), the end of the coupling (9) is provided with a ball screw (10), the outer side of the ball screw (10) is provided with a thrust ball bearing (11) and a bearing spacer ring (12), the outer side of the ball screw (10) is provided with a ball screw nut (13), the end of the ball screw nut (13) is provided with a guide block (14) and a transmission rod (15), the interior of the main body (19) is provided with an inner valve seat (16), an outer valve seat (17) and an adapter groove (20), and the end of the transmission rod (15) is provided with a valve plate (18); A lower sleeve (21) and a lower core tube (22) are arranged between the main body (19) and the lower joint (24); a lower electromagnetic flowmeter (23) is arranged in the middle of the lower core tube (22); and flowmeter liners (5) are arranged inside the upper core tube (4) and the lower core tube (22).
2. The intelligent water distributor according to claim 1, characterized in that: Sealing rings are arranged between the cable sealing assembly (2) and the upper joint (1) and the lower joint (24); the number of the cable sealing assemblies (2) is two groups and they are symmetrically distributed; a sealing ring is arranged between the upper joint (1) and the upper sleeve (3); the upper electromagnetic flowmeter (6) and the lower electromagnetic flowmeter (23) are electrically connected to the circuit board (7); and the circuit board (7) is connected to an external control system.
3. The intelligent water distributor according to claim 1, characterized in that: A motor seat is provided between the motor (8) and the upper sleeve (3), and the motor (8) and the motor seat are fixedly connected by screws, an output end of the motor (8) and a coupling (9) are fixedly connected by screws, and the ball screw (10) and the coupling (9) are fixedly connected.
4. The intelligent water distributor according to claim 1, characterized in that: The thrust ball bearings (11) are provided in two groups and are symmetrically distributed. The two sides of the bearing spacer ring (12) are fitted with the two groups of thrust ball bearings (11). The ball screw nut (13) is adapted to the ball screw screw (10). A hexagon socket head screw is provided between the ball screw nut (13) and the guide block (14). The guide block (14) is connected to the transmission rod (15).
5. The intelligent water distributor according to claim 1, characterized in that: A sealing ring and a round wave spring are arranged between the inner valve seat (16) and the main body (19), the outer valve seat (17) and the main body (19) are adapted to each other, a through hole is provided on one side of the main body (19) close to the inner valve seat (16), and the adapting groove (20) and the valve plate (18) are adapted to each other.
6. The intelligent water distributor according to claim 1, characterized in that: A sealing ring is provided between the lower sleeve (21) and the lower joint (24), a sealing ring is provided between the lower core tube (22), the main body (19) and the lower joint (24), and the upper joint (1), the upper core tube (4), the lower core tube (22) and the lower joint (24) are all concentric structures with the main body (19).
Citation Information
Cited By
Full-bore multistage well cementation fracturing intelligent sliding sleeve
CN119373457A