Intelligent control deviation corrector
The intelligent control deviation corrector solves the problem of eccentric wear between the sucker rod and the oil pipe by dynamically adjusting the motion trajectory of the sucker rod and intelligent monitoring, ensuring long equipment life and efficient operation, and supporting intelligent oilfield management.
Patent Information
- Application Number
- CN202511075763.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-01
- Publication Date
- 2025-10-03
AI Technical Summary
In the existing technology, the problem of eccentric wear between the sucker rod and the oil pipe leads to accelerated equipment wear and frequent breakage, and the lack of intelligent monitoring and management leads to low oilfield operation efficiency and high maintenance costs.
An intelligent control straightener was designed, which includes an upper box, a base, a core shaft, a transmission assembly and an electronic control system. By dynamically adjusting the motion trajectory of the sucker rod and integrating pressure sensing, temperature control and counting modules, it realizes intelligent monitoring and control, reduces wear and optimizes operating efficiency.
It effectively reduces the wear of pump rods and oil pipes, extends equipment life, reduces friction resistance, improves oilfield operation efficiency, supports intelligent oilfield management, and reduces maintenance costs.
Smart Images

Figure CN120739461A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of deflection correctors, and in particular to an intelligent control deflection corrector. Background Art
[0002] During oil production, uneven wear between the sucker rod and the tubing has long been a key factor limiting oilfield operational efficiency and equipment life. Traditionally, the uneven force applied to the sucker rod during reciprocating motion causes point and line wear against the tubing wall. This not only accelerates equipment wear but also frequently leads to sucker rod breakage.
[0003] Existing solutions often rely on passive protection measures such as centralizers or coated tubing. However, these methods only mitigate wear locally and fail to dynamically adjust the pump rod's trajectory. This results in concentrated wear in specific areas, shortening workover cycles and increasing maintenance costs. Furthermore, high friction during tubing deployment and operation reduces operational efficiency, and the lack of real-time monitoring makes intelligent management difficult.
[0004] Therefore, there is an urgent need for a device that combines dynamic correction capabilities with intelligent control functions to evenly distribute wear, reduce frictional resistance, and enable remote monitoring and data analysis, thereby comprehensively improving the reliability and economy of oilfield operations. Summary of the Invention
[0005] The main purpose of this invention is to overcome the shortcomings of the existing technology and provide an intelligent control corrector. This intelligent control corrector has dynamic adjustment capabilities, which can effectively reduce or minimize wear on the pump rod and oil pipe, thereby reducing well repair operations, extending the well repair cycle, and significantly improving the efficiency of oilfield operations.
[0006] The technical solution adopted by the present invention to achieve its technical purpose is: an intelligent control deviation corrector, comprising: The upper box body serves as the upper shell of the deflection corrector and forms a sealed cavity together with the base for accommodating the transmission assembly and the driven gear.
[0007] The base is fixedly connected to the upper box body by fixing bolts; the base is fixedly connected to the upper box body by fixing bolts, providing a stable support structure and fixing the transmission assembly.
[0008] The core shaft, one end of which is rotatably arranged inside the upper box body through the first bearing, and the other end of which is rotatably arranged inside the base through the second bearing; one end of which is rotatably arranged inside the upper box body through the first bearing, and the other end of which is rotatably arranged inside the base through the second bearing, serves as a core transmission component, driving the external oil pipe to move to achieve the correction function.
[0009] The transmission assembly is fixedly installed inside the base and drives the core shaft to rotate by meshing the driving gear with the driven gear.
[0010] The driven gear is fixedly sleeved on the outer wall of the core shaft and is meshed with the driving gear. The driving gear is meshed with the driven gear to drive the core shaft to rotate.
[0011] The shaft seal is arranged between the two ends of the core shaft and the upper box body and the base to prevent external impurities from entering or internal lubricant from leaking, thereby ensuring sealing.
[0012] The electronic control system includes a control circuit board, which integrates a pressure sensing module, a temperature control module, a counting module and a data processing module. The pressure sensing module is connected to a pressure sensor to monitor the pressure in the core shaft cavity. The temperature control module is used to adjust the temperature of the control circuit board. The counting module collects the operating data of the transmission component. The data processing module uploads the data to the cloud to realize intelligent monitoring and control.
[0013] Preferably, both ends of the core shaft are exposed outside the upper box and the base for connecting to external equipment. Both ends of the core shaft extend to the outside and connect to oilfield equipment and oil pipes through flanges or threads to directly transmit rotational power.
[0014] Preferably, the transmission assembly is an arc-shaped structure as a whole, which is adapted to the internal space of the base; the arc-shaped design optimizes space utilization and is convenient for installation inside the base.
[0015] The transmission assembly includes a drive motor, a drive gear shaft, and a driving gear. The drive motor drives the driving gear via the drive gear shaft. The drive motor drives the driving gear to rotate via the drive gear shaft, thereby driving the driven gear and the core shaft.
[0016] Preferably, the control circuit board further includes a wireless connection module for realizing remote data transmission. A wireless connection module such as Wi-Fi or Bluetooth supports remote monitoring and data transmission, thereby improving the level of intelligence.
[0017] Preferably, the data processing module transmits the data to the mobile phone or PC terminal via the cloud. The data processing module uploads the operation data to the cloud, which is convenient for users to view and analyze in real time via mobile phones or PCs.
[0018] Preferably, the temperature control module includes a temperature monitor and a heater for maintaining a preset temperature of the control circuit board. The temperature monitor monitors the circuit board temperature in real time, and the heater automatically heats up when the temperature is low, ensuring stable operation of the electronic control system.
[0019] Preferably, the counting module includes a counting sensor for recording the number of rotations of the drive motor. The counting sensor collects motor rotation data to help analyze the equipment's operating status and maintenance cycle.
[0020] Preferably, the pressure sensor is embedded in the top end of the core shaft to monitor the pressure in the core shaft cavity to ensure sealing and prevent air leakage or intrusion of impurities.
[0021] Preferably, the electric control system is arranged in an electric control box, which is integrally connected to the outer wall of the base. The electric control box integrates all electric control components, and the integrated design facilitates installation and maintenance while protecting internal components from environmental influences.
[0022] Preferably, the shaft seal is a mechanical seal or a rubber seal ring. Mechanical seals or rubber seal rings provide reliable sealing effects, adapt to harsh working conditions in oil fields, and extend the life of the equipment.
[0023] Compared with the prior art, the present invention has the following beneficial effects: This intelligent control corrector can achieve dynamic correction and uniform wear. It drives the core shaft to rotate through the transmission component, converting traditional point and line contact wear into uniform circumferential wear, greatly reducing the degree of local wear and extending the service life of the equipment.
[0024] This intelligent control straightener can realize intelligent monitoring and control, integrate electronic control systems (such as pressure sensing module, temperature control module, counting module, etc.), monitor the core shaft pressure, temperature and motor operation data in real time, and realize remote transmission and analysis through the cloud to optimize maintenance strategies.
[0025] This intelligent control deviation corrector has the effects of efficient lifting and lowering and strong compatibility. The core shaft rotation design significantly reduces the friction resistance of oil pipe lifting and lowering, shortening the operation cycle; the modular structure can be directly adapted to the existing oil pumping system without the need to modify the wellhead process.
[0026] This intelligent control straightener has better stable sealing and durability. It adopts double bearings to support the core shaft and cooperates with mechanical / rubber shaft seals to ensure sealing under harsh working conditions and prevent lubrication leakage and impurity intrusion.
[0027] This intelligent control deviation corrector has good economic and social benefits. It reduces the frequency of well repairs, prevents pump rod breakage, reduces maintenance costs, and improves oil production efficiency, providing reliable technical support for intelligent oilfield management. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 This is an exploded view of the intelligent control corrector.
[0029] Figure 2 It is a schematic diagram of the three-dimensional structure of the upper box, core shaft and base.
[0030] Figure 3 It is a schematic diagram of the top view of the transmission assembly and the driven gear.
[0031] Figure 4 This is the electrical control system diagram of the intelligent control corrector.
[0032] in: 1-first bearing; 2-upper housing; 3-fixing bolt; 4-core shaft; 5-transmission assembly; 6-driven gear; 7-second bearing; 8-shaft seal; 9-base; 10-control circuit board; 11-data processing module; 12-counting module; 13-temperature control module; 14-pressure sensing module. DETAILED DESCRIPTION
[0033] To make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the present invention. In addition, in the following description, descriptions of well-known structures and technologies are omitted to avoid unnecessary confusion of the present invention.
[0034] In the description of the present invention, it should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element.
[0035] In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or the orientations or positional relationships in which the inventive product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined. "Several" means one or more, unless otherwise clearly and specifically defined.
[0036] In the description of the present invention, it should also be noted that, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances. Example 1
[0037] See also Figure 1-Figure 3 , the intelligent control corrector includes an upper box body 2, a core shaft 4 and a base 6, the upper box body 2 is fixedly arranged on the top of the base 6, and the upper box body 2 and the base 6 are locked and fixedly connected by fixing bolts 3; One end of the core shaft 4 is rotatably set inside the base 6, and the other end is rotatably set inside the upper box body 2; a first bearing 1 is fixedly set between the core shaft 4 and the upper box body 2, and a second bearing 7 is fixedly set between the core shaft 4 and the base 6. Through the setting of the first bearing 1 and the second bearing 7, the two ends of the core shaft 4 can be rotatably set inside the upper box body 2 and the base 6.
[0038] A shaft seal 8 is further provided between the two ends of the core shaft 4 and the upper box body 2 and the base 6 , so that the core shaft 4 and the upper box body 2 and the base 6 are kept sealed by the shaft seal 8 .
[0039] The two ends of the core shaft 4 are respectively exposed to the outside of the upper box body 2 and the base 6. By exposing the two ends of the core shaft 4 to the outside of the upper box body 2 and the base 6, the oilfield equipment and the oil pipe can be connected, so that the intelligent control corrector can be used normally.
[0040] A transmission assembly 5 and a driven gear 6 are provided in the inner cavity formed by the upper box body 2 and the base 6; the transmission assembly 5 is fixedly installed inside the base 6, and the driven gear 6 is fixedly sleeved on the outer wall of the core shaft 4. The transmission assembly 5 and the driven gear 6 are kept in meshing connection, and the driven gear 6 is driven to rotate by the transmission assembly 5, thereby driving the core shaft 4 to rotate inside the upper box body 2 and the base 6.
[0041] Furthermore, in this embodiment, the transmission assembly 5 includes a driving motor, a driving gear shaft and a driving gear. The transmission assembly 5 is configured as a whole to be similar to an arc structure, which is convenient for placement inside the base 6. The driving motor is meshed and connected to one end of the driving gear shaft, and the other end of the driving gear shaft is meshed and connected to the driving gear, and the driving gear is meshed and connected to the driven gear 6.
[0042] It should be noted that the transmission assembly 5 is purchased from the market, and its specific structure will not be described in detail here.
[0043] Specifically, when in use, the intelligent control corrector is mainly composed of an upper box body 2, a base 6 and a core shaft 4, wherein the upper box body 2 and the base 6 are locked and fixed by fixing bolts 3 to form a sealed cavity. The two ends of the core shaft 4 are rotatably supported in the upper box body and the base by a first bearing 1 and a second bearing 7 respectively, and at the same time, the two ends extend to the outside for connecting oilfield equipment and oil pipes. A shaft seal 8 is provided between the core shaft 4 and the upper box body 2 and the base 6 to ensure sealing during rotation. Inside the cavity, the transmission assembly 5 is fixed to the base and meshes with the driven gear 6 sleeved on the outer wall of the core shaft 4. The driven gear 6 is driven to rotate by the drive of the transmission assembly 5, and then the core shaft 4 is driven to rotate. The rotation of the core shaft 4 can drive the oil pipe to rotate.
[0044] During oil extraction, the movement of the oil pipe mainly involves lowering, lifting and working underground. The outer wall of the oil pipe is generally subject to friction from the up and down movement, making it difficult to raise and lower the pipe. However, when the oil pipe is rotated, it can maintain a spiral connection with the oil field and oil well during the lowering and lifting process, facilitating the raising and lowering of the oil pipe and shortening the raising and lowering time of the oil pipe. The structural design of the intelligent control corrector ensures the stability, sealing and precise control capabilities of the equipment operation, and is suitable for the dynamic adjustment needs in oilfield operations. Example 2
[0045] See also Figure 4 On the basis of the above embodiment, the intelligent control corrector further includes an electric control box (not shown in the figure), which is integrally connected to the outer wall of the base 6, and an electric control system is provided inside the electric control box.
[0046] The electronic control system includes a control circuit board 10, on which a pressure sensing module 14 is integrated. The pressure sensing module 14 controls the connection pressure sensor, which is located inside the top end of the core shaft 4. The pressure sensor monitors the pressure in the inner cavity of the core shaft 4 in real time to ensure that the two ends of the core shaft 4 are sealed and connected with other components without leakage.
[0047] Furthermore, in this embodiment, a temperature control module 13 is integrated on the control circuit board 10 to monitor the temperature of the control circuit board 10 in real time and to heat the control circuit board 10. The temperature control module 13 may be composed of electronic components such as a temperature monitor and a heater. After the temperature control module 13 sets a preset temperature, when the temperature of the control circuit board 10 falls below the preset temperature, the temperature control module 13 automatically increases the temperature, and stops heating the control circuit board 10 after reaching the preset temperature.
[0048] Furthermore, in this embodiment, the control circuit board 10 is electrically connected to the transmission component 5, and a counting module 12 is also integrated on the control circuit board 10. The counting module 12 includes a counting sensor, which collects various data of the transmission component 5, such as the number of motor rotations, through the counting sensor, and transmits the collected data to this control circuit board 10 through the counting sensor.
[0049] Furthermore, in this embodiment, a data processing module 11 is also integrated on the control circuit board 10. The data processing module 11 includes a data processor. All data information of the intelligent control corrector is processed and transmitted to the cloud through the data processor. The cloud database transmits the data information to the mobile phone / PC terminal for viewing and data analysis.
[0050] Furthermore, in this embodiment, a wireless connection module is also integrated on the control circuit board 10, and wireless connection can be achieved through the wireless connection module. The wireless connection module can adopt existing technology and will not be described in detail here.
[0051] The solution in this embodiment can be selectively combined with the solutions in other embodiments for use.
[0052] The working principle and specific usage process of the intelligent control corrector are as follows: first, the upper box body 2 and the base 6 are locked and fixed by fixing bolts 3 to form a sealed cavity. The two ends of the core shaft 4 are rotatably connected in the cavity through the first bearing 1 and the second bearing 7, and are exposed to the outside to connect the oil pipe and oilfield equipment; the drive motor in the transmission component 5 is started, and the driving gear and the driven gear 6 are engaged to drive the core shaft 4 to rotate, driving the oil pipe to rotate; the electronic control system monitors the inner cavity pressure of the core shaft 4 (through the pressure sensing module 14), the temperature of the control circuit board 10 (through the temperature control module 13) and the motor operation data (through the counting module 12) in real time, and the data processing module 11 uploads the processed data to the cloud through the wireless connection module for remote viewing and analysis by mobile phones or PC terminals, thereby dynamically adjusting the operating status and optimizing the efficiency of oil pipe lifting and lowering.
[0053] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection of the present invention. Therefore, based on the innovative concept of the present invention, changes and modifications to the embodiments described herein, or equivalent structures, equivalent processes, or equivalent functional transformations made using the contents of the present invention's specification and drawings, and direct or indirect application of the above technical solutions to other related technical fields, are all included in the scope of protection of the present invention's patent.
Claims
1. Intelligent control deviation corrector, characterized by: include: Upper box (2); The base (6) is locked and fixedly connected to the upper box body (2) via fixing bolts (3); A core shaft (4), one end of which is rotatably disposed inside the upper box body (2) via a first bearing (1), and the other end of which is rotatably disposed inside the base (6) via a second bearing (7); A transmission assembly (5) is fixedly mounted inside the base (6); A driven gear (6) is fixedly sleeved on the outer wall of the core shaft (4) and meshedly connected with the driving gear; A shaft seal (8) is provided between the two ends of the core shaft (4) and the upper box (2) and the base (6); An electric control system comprises a control circuit board (10), wherein the control circuit board (10) is integrated with a pressure sensing module (14), a temperature control module (13), a counting module (12) and a data processing module (11), wherein the pressure sensing module (14) is connected to a pressure sensor to monitor the pressure in the inner cavity of a core shaft (4), the temperature control module (13) is used to adjust the temperature of the control circuit board (10), the counting module (12) collects operating data of a transmission component (5), and the data processing module (11) uploads the data to a cloud.
2. The intelligent control deviation corrector according to claim 1, characterized in that: Both ends of the core shaft (4) are exposed outside the upper box (2) and the base (6) respectively, and are used for connecting to external equipment.
3. The intelligent control deviation corrector according to claim 1, characterized in that: The transmission assembly (5) is an overall arc-shaped structure adapted to fit within the internal space of the base (6); The transmission assembly (5) comprises a driving motor, a driving gear shaft and a driving gear, and the driving motor drives the driving gear via the driving gear shaft.
4. The intelligent control deviation corrector according to claim 1, characterized in that: The control circuit board (10) further comprises a wireless connection module for realizing remote data transmission.
5. The intelligent control deviation corrector according to claim 1, characterized in that: The data processing module (11) transmits the data to a mobile phone or PC terminal via the cloud.
6. The intelligent control deviation corrector according to claim 1, characterized in that: The temperature control module (13) comprises a temperature monitor and a heater, and is used to maintain a preset temperature of the control circuit board (10).
7. The intelligent control deviation corrector according to claim 1, characterized in that: The counting module (12) comprises a counting sensor for recording the number of rotations of the driving motor.
8. The intelligent control deviation corrector according to claim 1, characterized in that: The pressure sensor is embedded inside the top end of the core shaft (4).
9. The intelligent control deviation corrector according to claim 1, characterized in that: The electric control system is arranged in an electric control box, and the electric control box is integrally connected to the outer wall of the base (6).
10. The intelligent control deviation corrector according to claim 1, characterized in that: The shaft seal (8) is a mechanical seal or a rubber seal ring.