Visual measurement system for oil drilling tools
By designing a visual measurement system for oil drilling tools, and using sensors and cameras to inspect key parts of the oil drilling tools, the system solves the problems of low inspection efficiency and poor safety in existing technologies, and achieves efficient and accurate drilling tool quality inspection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SINOPEC OILFIELD SERVICE CORPORATION
- Filing Date
- 2025-10-23
- Publication Date
- 2026-07-24
AI Technical Summary
Existing technologies cannot comprehensively, accurately, and efficiently perform visual measurements of oil drilling tools, resulting in low efficiency in oil drilling tool inspection and the existence of human error and safety hazards.
A vision measurement system for oil drilling tools was designed, including a main camera box, a water eye box, and a length detection box. Equipped with multiple sensors and cameras, it can detect multiple key parts of oil drilling tools. The combination of sensors and cameras improves detection accuracy and efficiency.
It enables comprehensive and accurate inspection of oil drilling tools, improves inspection efficiency, reduces labor costs and safety risks, and ensures the reliability and safety of drilling tool quality.
Smart Images

Figure CN224552334U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of oil drilling tool inspection technology, specifically relating to an oil drilling tool visual measurement system. Background Technology
[0002] Oil drilling tools play a crucial role in oil extraction, and their quality directly affects the safety and efficiency of the extraction process. Traditional drilling tool inspection methods mainly rely on manual inspection, which is inefficient and prone to missed detections and misjudgments. With the development of industrial automation technology, visual inspection technology has been gradually applied to various industrial fields, but its application in oil drilling tool inspection is still not perfect.
[0003] Chinese invention patent (authorization announcement number CN13399277B) discloses an automated inspection system for oil drilling tools, including a conveyor belt, an electromagnetic detector, an ultrasonic detector, a ring pressure sensor, a ring vibration sensor, and a central control display terminal. This invention enables the gripping and transporting of drilling tools, surface inspection, and internal inspection, and analyzes and calculates the values generated from surface and internal inspections to obtain the drilling tool quality grading status. However, it lacks a comprehensive, accurate, and efficient system for visual measurement of oil drilling tools to meet the high requirements of the oil extraction industry for drilling tool quality inspection. Summary of the Invention
[0004] This invention addresses the shortcomings of existing technologies by providing a visual measurement system for oil drilling tools that can comprehensively, accurately, and efficiently perform visual measurements.
[0005] To achieve the above objectives, this utility model provides a visual measurement system for oil drilling tools, including a main camera box, a water eye box, and a length detection box; the main camera box includes a main camera box body and a main camera box channel for oil drilling tools to pass through, the water eye box includes a water eye box body and a water eye box channel for oil drilling tools to pass through, and the length detection box includes a length detection box channel for oil drilling tools to pass through.
[0006] Furthermore, the cavity of the main camera housing is equipped with a front-end sensor, a rear-end sensor, a front-end area array camera, a rear-end area array camera, and a backlight panel.
[0007] Furthermore, the front-end sensor is arranged at the front end of the top surface of the left side portion of the cavity of the main camera body, and the rear-end sensor is arranged at the rear end of the top surface of the left side portion of the cavity of the main camera body; the front-end area scan camera and the rear-end area scan camera are arranged side by side in the middle part of the right side portion of the cavity of the main camera body, with the front-end area scan camera located behind the front-end sensor and the rear-end area scan camera located in front of the rear-end sensor; the backlight panel is arranged on the outer side of the left side portion of the cavity of the main camera body, and both the front-end area scan camera and the rear-end area scan camera are arranged perpendicular to the backlight panel.
[0008] Furthermore, a rotating shaft and a calibration plate arranged on the rotating shaft along its axial direction are placed between the front panel and the rear panel of the cavity on the left side of the main camera housing. The rotating shaft is located on the top surface of the cavity on the left side. The front-side sensor is arranged at the front end of the rotating shaft, and the rear-side sensor is arranged at the rear end of the rotating shaft. A partition is placed between the front panel and the rear panel of the cavity on the right side of the main camera housing. The front-side area scan camera and the rear-side area scan camera are mounted side by side on the partition, and the partition has through holes for exposing the lenses of the front-side area scan camera and the rear-side area scan camera.
[0009] Furthermore, the main camera box channel includes hollow sub-boxes arranged at the front and rear ends of the left side of the cavity of the main camera box body. The front and rear end panels of the two sub-boxes are provided with circular holes. The front and rear end panels of the cavity of the main camera box body are provided with circular holes. The two sub-boxes and the left side of the cavity of the main camera box body constitute the main camera box channel.
[0010] Furthermore, the cavity of the water eye box body is equipped with a male water eye exposure lamp, a female water eye exposure lamp, a female water eye industrial camera, a male water eye industrial camera, a female water eye position sensor, and a male water eye position sensor.
[0011] Furthermore, the male connector water eye exposure lamp is arranged at the front end of the inner surface of one side plate of the water eye box body, and the female connector water eye exposure lamp is arranged at the rear end of the inner surface of one side plate of the water eye box body. Correspondingly, the male connector water eye industrial camera is arranged at the front end of the inner surface of the other side plate of the water eye box body, and the female connector water eye industrial camera is arranged at the rear end of the inner surface of the other side plate of the water eye box body. The male connector water eye position sensor is located on the side of the male connector water eye exposure lamp, and the female connector water eye position sensor is located on the side of the female connector water eye exposure lamp.
[0012] Furthermore, the front and rear end plates of the water eye box body have through holes for the water eye box body, and the cavity of the water eye box body and the through holes of the water eye box body form a water eye box channel; the male buckle water eye exposure lamp and the male buckle water eye industrial camera are symmetrically arranged on both sides of the water eye box channel axis, and the female buckle water eye exposure lamp and the female buckle water eye industrial camera are symmetrically arranged on both sides of the water eye box channel axis.
[0013] Furthermore, the male buckle water-eye exposure lamp and the male buckle water-eye industrial camera are arranged at an angle of 30° to 45°; correspondingly, the male buckle water-eye exposure lamp and the male buckle water-eye industrial camera are arranged at an angle of 30° to 45°.
[0014] Furthermore, the length detection box channel includes a base and multiple pillows arranged on the base along the length direction, with at least one pillow having a length position sensor arranged on it.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model system can comprehensively inspect multiple key parts of oil drilling tools, including male thread connectors, female thread connectors, male thread water inlets, female thread water inlets, length, and pipe appearance, ensuring the comprehensiveness and accuracy of drilling tool quality; by combining sensors and cameras, the inspection efficiency is greatly improved, labor costs are reduced, and the opportunity for manual contact with oil drilling tools is reduced, thereby reducing the risk of safety accidents caused by improper human operation and improving the safety and reliability of oil drilling tool inspection. Attached Figure Description
[0016] Figure 1 This is a model diagram of the visual measurement system for oil drilling tools of this utility model; Figure 2 for Figure 1 Model diagram of the main camera module; Figure 3 for Figure 1 Model diagram of a water-filled eyebox; Figure 4 for Figure 3 Internal diagram; Figure 5 for Figure 1 Model diagram of a medium-length detection box. Detailed Implementation
[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0018] like Figure 1 The shown oil drilling tool vision measurement system includes a main camera box 1, a water eye box 2, and a length detection box 3. The main camera box 1 includes a main camera box body and a main camera box channel through which the oil drilling tool 4 passes. The water eye box 2 includes a water eye box body and a water eye box channel through which the oil drilling tool 4 passes. The length detection box 3 includes a length detection box channel through which the oil drilling tool 4 passes.
[0019] Combination Figure 2The cavity of the main camera box body shown contains a front face sensor 11, a rear face sensor 12, a front face area array camera 13, a rear face area array camera 14, and a backlight panel 15. The front face sensor 11 and the rear face sensor 12 are used to detect the position information of the drill pipe of the oil drilling tool, and the front face area array camera 13 and the rear face area array camera 14 are used to capture the contour images of the male and female threads of the drill pipe of the oil drilling tool.
[0020] The front-end sensor 11 is arranged at the front end of the top surface of the left side of the cavity of the main camera body, and the rear-end sensor 12 is arranged at the rear end of the top surface of the left side of the cavity of the main camera body; the front-end area scan camera 13 and the rear-end area scan camera 14 are arranged side by side in the middle of the right side of the cavity of the main camera body, with the front-end area scan camera 13 located behind the front-end sensor 11 and the rear-end area scan camera 14 located in front of the rear-end sensor 12; the backlight panel 15 is arranged on the outer side of the left side of the cavity of the main camera body, and both the front-end area scan camera 13 and the rear-end area scan camera 14 are arranged perpendicular to the backlight panel 15.
[0021] Specifically, a rotating shaft 5 and a calibration plate 8 arranged along the axial direction of the rotating shaft 5 are placed between the front and rear panels of the left side cavity of the main camera housing. The rotating shaft 5 is located on the top surface of the left side cavity. The front-side sensor 11 is arranged at the front end of the rotating shaft 5, and the rear-side sensor 12 is arranged at the rear end of the rotating shaft 5. A partition plate 6 is placed between the front and rear panels of the right side cavity of the main camera housing. The front-side area scan camera 13 and the rear-side area scan camera 14 are mounted side by side on the partition plate 6, and the partition plate 6 has through holes 7 for exposing the lenses of the front-side area scan camera 13 and the rear-side area scan camera 14. When the system is in working condition, the front-side sensor 11 and the rear-side sensor 12 face downwards, and the calibration plate 8 is retracted upwards. When the system is in debugging condition, the calibration plate 8 faces downwards, and the front-side sensor 11 and the rear-side sensor 12 are located on the top surface of the left side cavity. The main camera box channel includes hollow sub-boxes 16 arranged at the front and rear ends of the left side of the cavity of the main camera box body. The front and rear end panels of the two sub-boxes 16 are provided with circular holes 17. The front and rear end panels of the cavity of the main camera box body are provided with circular holes 18. The two sub-boxes 16 and the left side of the cavity of the main camera box body constitute the main camera box channel.
[0022] Combination Figure 3 , 4The cavity of the water-eye box body shown contains a male water-eye exposure lamp 21, a female water-eye exposure lamp 22, a female water-eye industrial camera 23, a male water-eye industrial camera 24, a female water-eye position sensor 25, and a male water-eye position sensor 26. The female water-eye position sensor 25 and the male water-eye position sensor 26 are used to detect the position information of the drill pipe, while the female water-eye industrial camera 23 and the male water-eye industrial camera 24 are used to capture images of the female and male water-eyes of the oil drilling tool.
[0023] The male connector water eye exposure lamp 21 is arranged at the front end of the inner surface of one side plate of the water eye box body, and the female connector water eye exposure lamp 22 is arranged at the rear end of the inner surface of one side plate of the water eye box body. Correspondingly, the male connector water eye industrial camera 24 is arranged at the front end of the inner surface of the other side plate of the water eye box body, and the female connector water eye industrial camera 23 is arranged at the rear end of the inner surface of the other side plate of the water eye box body. The male connector water eye position sensor 26 is located on the side of the male connector water eye exposure lamp 21, and the female connector water eye position sensor 25 is located on the side of the female connector water eye exposure lamp 22.
[0024] The front and rear end plates of the water-eye box body have through holes 27, and the cavity of the water-eye box body and the through holes 27 form a water-eye box channel. The male water-eye exposure lamp 21 and the male water-eye industrial camera 24 are symmetrically arranged on both sides of the water-eye box channel axis, and the female water-eye exposure lamp 22 and the female water-eye industrial camera 23 are symmetrically arranged on both sides of the water-eye box channel axis. The male water-eye exposure lamp 21 and the male water-eye industrial camera 24 are arranged at an angle of 30° to 45°.
[0025] Combination Figure 5 The length detection box channel shown includes a base 31 and multiple support seats 32 arranged on the base 31 along the length direction for placing oil drilling tools. At least one support seat 32 is equipped with a length position sensor 33. The length position sensor 33 is used to detect the position of the oil drilling tool, triggering the area array camera of the main camera box 1 to take a picture and obtain a picture of the pipe body.
Claims
1. A vision measurement system for oil drilling tools, characterized in that: It includes a main camera box (1), a water eye box (2), and a length detection box (3); the main camera box (1) includes a main camera box body and a main camera box channel through which the oil drilling tool (4) passes; the water eye box (2) includes a water eye box body and a water eye box channel through which the oil drilling tool (4) passes; and the length detection box (3) includes a length detection box channel through which the oil drilling tool (4) passes.
2. The visual measurement system for oil drilling tools according to claim 1, characterized in that: The cavity of the main camera housing is equipped with a front-side sensor (11), a rear-side sensor (12), a front-side area array camera (13), a rear-side area array camera (14), and a backlight panel (15).
3. The visual measurement system for oil drilling tools according to claim 2, characterized in that: The front-end sensor (11) is arranged at the front end of the top surface of the left side of the cavity of the main camera body, and the rear-end sensor (12) is arranged at the rear end of the top surface of the left side of the cavity of the main camera body; the front-end area array camera (13) and the rear-end area array camera (14) are arranged side by side in the middle part of the right side of the cavity of the main camera body, and the front-end area array camera (13) is located behind the front-end sensor (11), and the rear-end area array camera (14) is located in front of the rear-end sensor (12); the backlight panel (15) is arranged on the outer side of the left side of the cavity of the main camera body, and the front-end area array camera (13) and the rear-end area array camera (14) are both arranged perpendicular to the backlight panel (15).
4. The visual measurement system for oil drilling tools according to claim 2 or 3, characterized in that: Between the front panel and the rear panel of the cavity on the left side of the main camera body, there is a rotating shaft (5) and a calibration plate (8) arranged on the rotating shaft (5) along the axial direction of the rotating shaft (5). The rotating shaft (5) is located on the top surface of the cavity on the left side. The front face sensor (11) is arranged at the front end of the rotating shaft (5) and the rear face sensor (12) is arranged at the rear end of the rotating shaft (5). Between the front panel and the rear panel of the cavity on the right side of the main camera body, there is a partition plate (6). The front face area array camera (13) and the rear face area array camera (14) are mounted side by side on the partition plate (6), and the partition plate (6) has through holes (7) for exposing the lenses of the front face area array camera (13) and the rear face area array camera (14).
5. The visual measurement system for oil drilling tools according to claim 1 or 2, characterized in that: The main camera box channel includes hollow sub-boxes (16) arranged at the front and rear ends of the left side of the cavity of the main camera box body. The front and rear end panels of the two sub-boxes (16) are provided with circular holes (17). The front and rear end panels of the cavity of the main camera box body are provided with circular holes (18). The two sub-boxes (16) and the left side of the cavity of the main camera box body constitute the main camera box channel.
6. The visual measurement system for oil drilling tools according to claim 1, characterized in that: The cavity of the water eye box body is equipped with a male water eye exposure lamp (21), a female water eye exposure lamp (22), a female water eye industrial camera (23), a male water eye industrial camera (24), a female water eye position sensor (25), and a male water eye position sensor (26).
7. The visual measurement system for oil drilling tools according to claim 6, characterized in that: The male-button water-eye exposure lamp (21) is arranged at the front end of the inner surface of one side plate of the water-eye box body, and the female-button water-eye exposure lamp (22) is arranged at the rear end of the inner surface of one side plate of the water-eye box body. Correspondingly, the male-button water-eye industrial camera (24) is arranged at the front end of the inner surface of the other side plate of the water-eye box body, and the female-button water-eye industrial camera (23) is arranged at the rear end of the inner surface of the other side plate of the water-eye box body. The male-button water-eye position sensor (26) is located on the side of the male-button water-eye exposure lamp (21), and the female-button water-eye position sensor (25) is located on the side of the female-button water-eye exposure lamp (22).
8. The visual measurement system for oil drilling tools according to claim 6 or 7, characterized in that: The front and rear end plates of the water eye box body have water eye box body through holes (27), and the cavity of the water eye box body and the water eye box body through holes (27) form a water eye box channel; the male buckle water eye exposure lamp (21) and the male buckle water eye industrial camera (24) are symmetrically arranged on both sides of the water eye box channel axis, and the female buckle water eye exposure lamp (22) and the female buckle water eye industrial camera (23) are symmetrically arranged on both sides of the water eye box channel axis.
9. The visual measurement system for oil drilling tools according to claim 8, characterized in that: The male buckle water-eye exposure lamp (21) and the male buckle water-eye industrial camera (24) are arranged at an angle of 30°~45°; correspondingly, the male buckle water-eye exposure lamp (21) and the male buckle water-eye industrial camera (24) are arranged at an angle of 30°~45°.
10. The visual measurement system for oil drilling tools according to claim 1, characterized in that: The length detection box channel includes a base (31) and multiple pillows (32) arranged on the base (31) along the length direction for the oil drilling tool (4) to rest. At least one pillow (32) is equipped with a length position sensor (33).