Oil well depth measuring device

By using a support frame and a motor-driven screw and gear transmission structure, the oil well depth measurement device achieves automated multi-point measurement, solving the problem of manual movement required in existing technologies and improving measurement accuracy and efficiency.

CN223806851UActive Publication Date: 2026-01-16XIAN AOHUA ELECTRONICS INSTR
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Patent Information

Application Number
CN202520084892.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-16
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

Existing well depth measurement devices require manual movement to perform multi-point measurements, which is cumbersome and inefficient.

Method used

The well depth measurement device, composed of a support frame, lead screw, motor, and bevel gear, uses a motor to drive the lead screw and gear transmission to achieve multi-point movement of the acoustic logging tool. Combined with the mobility of the rollers, it enables automated measurement.

Benefits of technology

It achieves high-precision measurement of oil well depth, enables real-time monitoring of wellbore conditions, identifies geological changes, simplifies operation procedures, and improves measurement efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an oil well depth measuring device, and relates to the technical field of oil well depth measurement. The device comprises a supporting frame and an acoustic logging instrument, the acoustic logging instrument is installed on the inner side of the supporting frame, a first lead screw is rotationally arranged in the supporting frame, a movable frame is arranged on the outer side of the first lead screw in a threaded and sleeved mode, a second lead screw is rotationally arranged at the bottom end of the movable frame, a threaded sliding block is arranged on the outer side of the second lead screw in a threaded mode, and the acoustic logging instrument is installed on the outer side of the threaded sliding block. A transmission rod is rotationally arranged on the inner side of the supporting frame; according to the utility model, the first screw rod, the second screw rod, the moving frame, the threaded sliding block, the transmission rod and other structures are matched with each other, and multiple points are detected, so that high-precision depth data can be provided, the condition of the well wall can be monitored in real time, potential geological changes or instability of the well wall and other problems can be identified, and the detection accuracy is improved. The whole device does not need to be manually moved and measured, so that the purpose of simple operation is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oil well depth measurement technical field, concretely is an oil well depth measurement device. BACKGROUND

[0002] Oil well depth measurement refers to the process of accurately assessing the depth of oil wells during oil and gas extraction using specialized instruments and equipment. This measurement typically employs techniques such as electromagnetic waves, sound waves, and lasers, allowing for real-time monitoring of well depth and providing crucial positioning and data support for drilling operations. Accurate depth measurement is essential for determining the distribution of oil and gas layers, optimizing drilling paths, assessing resource reserves, and planning extraction strategies. Additionally, depth measurement can effectively identify geological changes and potential risks, ensuring the safety and economic efficiency of drilling operations.

[0003] However, existing devices rely on traditional and single methods for measuring the depth of oil wells. To ensure data accuracy, different points of the oil well often need to be measured manually. When multiple points of the oil well need to be measured, the device as a whole needs to be moved manually, making the operation cumbersome. To address these issues, the inventors propose an oil well depth measurement device. SUMMARY

[0004] To solve the problem of single measurement data, the utility model aims to provide an oil well depth measurement device.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: an oil well depth measurement device, comprising a support frame and a sonic logging instrument, the sonic logging instrument is installed on the inner side of the support frame, a No. 1 lead screw is rotatably arranged in the support frame, a moving frame is threadedly arranged on the outer side of the No. 1 lead screw, a No. 2 lead screw is rotatably arranged at the bottom end of the moving frame, a threaded block is threadedly arranged on the outer side of the No. 2 lead screw, the sonic logging instrument is installed on the outer side of the threaded block, a transmission rod is rotatably arranged on the inner side of the support frame, a fixed block is fixedly arranged on the outer side of the moving frame, a transmission shaft is rotatably inserted in the fixed block, the transmission shaft is movably sleeved on the outer side of the transmission rod, a square groove is formed on the outer side of the transmission rod, the transmission shaft is movably inserted in the square groove, a No. 1 bevel gear is fixedly arranged on the outer side of the transmission shaft, a No. 2 bevel gear is fixedly arranged at the end of the No. 2 lead screw close to the No. 1 bevel gear, and the No. 1 bevel gear and the No. 2 bevel gear are meshed with each other.

[0006] Preferably, a mounting frame is fixedly arranged at the bottom end of the threaded block, a threaded rod is rotatably inserted in the mounting frame, a soft pad is arranged at the end of the threaded rod, the sonic logging instrument is installed on the inner side of the soft pad, the soft pad is attached to the outer side of the sonic logging instrument, and a turntable is fixedly arranged at the end of the threaded rod away from the soft pad.

[0007] Preferably, the support frame bottom end is provided with a plurality of rollers arranged in a rectangular array, and an auxiliary rod is fixedly arranged in the support frame and movably inserted into the moving frame.

[0008] Preferably, a first motor is arranged on the outer side of the support frame, the output end of the first motor is inserted into the support frame and fixedly connected with the first lead screw, a second motor is arranged on the outer side of the support frame, and the output end of the second motor is inserted into the support frame and fixedly connected with the transmission rod.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1、 the utility model discloses a plurality of structures such as first lead screw, second lead screw, moving frame, threaded slide and transmission rod are cooperated with each other, and the high-precision depth data can be provided by detecting multiple points, and the condition of the well wall can be monitored in real time, potential geological changes or well wall instability and other problems are helped to identify, manual overall movement measurement of the device is avoided, thereby the simple operation purpose is achieved.

[0011] 2、 the utility model discloses the cooperation of the structure such as mounting bracket, threaded rod, soft pad and turntable can conveniently install and dismount the acoustic logging instrument, thereby can replace the sensor according to different needs. DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the premise of the drawings.

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the whole structure side surface schematic diagram of the utility model;

[0015] Figure 3 It is the utility model Figure 2 A place enlarged structure schematic diagram in the utility model;

[0016] Figure 4 It is the utility model Figure 2 B place enlarged structure schematic diagram in the utility model.

[0017] In the diagram: 1. Support frame; 11. Sonic logging instrument; 12. Motor No. 1; 13. Motor No. 2; 14. Auxiliary rod; 15. Roller; 2. Lead screw No. 1; 21. Moving frame; 22. Lead screw No. 2; 23. Threaded slider; 24. Fixing block; 25. Drive shaft; 26. Drive rod; 27. Square groove; 28. Bevel gear No. 1; 29. ​​Bevel gear No. 2; 3. Mounting frame; 31. Threaded rod; 32. Soft pad; 33. Turntable. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example: Figures 1-4 As shown, this utility model provides an oil well depth measurement device, including a support frame 1 and an acoustic logging instrument 11. The acoustic logging instrument 11 calculates the distance to the target object by emitting high-frequency sound waves and measuring the time it takes for the waves to reflect back from the object. The acoustic logging instrument 11 is installed inside the support frame 1. The model of the acoustic logging instrument 11 is XG-III acoustic logging instrument. A first lead screw 2 is rotatably installed inside the support frame 1. Rotation of the first lead screw 2 can drive the moving frame 21 to move. The moving frame 21 is threaded on the outer side of the first lead screw 2. A second lead screw 22 is rotatably installed at the bottom end of the moving frame 21. Rotation of the second lead screw 22 drives the threaded slider 23 to move. The threaded slider 23 is threaded on the outer side of the second lead screw 22. 1. A transmission rod 26 is rotatably mounted on the outside of the threaded slider 23. A fixed block 24 is fixed on the outside of the movable frame 21. A transmission shaft 25 is rotatably inserted into the fixed block 24. The transmission shaft 25 is movably sleeved on the outside of the transmission rod 26. A square groove 27 is symmetrically distributed on the outside of the transmission rod 26. The transmission shaft 25 is movably inserted into the square groove 27, so that the transmission shaft 25 can move on the outside of the transmission rod 26. At the same time, the rotation of the transmission rod 26 drives the transmission shaft 25 to rotate. A first bevel gear 28 is fixed on the outside of the transmission shaft 25. A second bevel gear 29 is fixed on the end of the second screw 22 that is close to the first bevel gear 28. The first bevel gear 28 and the second bevel gear 29 mesh with each other.

[0020] The bottom end of the threaded slider 23 is fixedly provided with a mounting bracket 3, and a threaded rod 31 is rotatably inserted inside the mounting bracket 3. A soft pad 32 is installed at the end of the threaded rod 31. The sonic logging instrument 11 is installed inside the soft pad 32. The soft pad 32 is in contact with the outside of the sonic logging instrument 11. A turntable 33 is fixedly provided at the end of the threaded rod 31 away from the soft pad 32.

[0021] Through the above technical scheme, the rotating disc 33 rotates to drive the threaded rod 31 to move in the mounting frame 3, and then the soft pad 32 drives the acoustic logging instrument 11.

[0022] The supporting frame 1 is provided with a plurality of rollers 15 arranged in a rectangular array at the bottom end.

[0023] Through the above technical scheme, the rollers 15 can move the device as a whole.

[0024] The supporting frame 1 is provided with an auxiliary rod 14 movably inserted in the moving frame 21.

[0025] Through the above technical scheme, the auxiliary rod 14 assists the moving frame 21 to move.

[0026] The supporting frame 1 is provided with a first motor 12, and the output end of the first motor 12 is inserted in the supporting frame 1 and fixedly connected with the first lead screw 2.

[0027] Through the above technical scheme, the output end of the first motor 12 rotates to drive the first lead screw 2 to rotate, thereby providing power output.

[0028] The supporting frame 1 is provided with a second motor 13, and the output end of the second motor 13 is inserted in the supporting frame 1 and fixedly connected with the transmission rod 26.

[0029] Through the above technical scheme, the output end of the second motor 13 rotates to drive the transmission rod 26 to rotate, thereby providing power output.

[0030] Working principle: first, the device is moved to the outside of the oil well, then start the motor 12, so that the motor 12 starts to work, the output end of the motor 12 rotates and drives the first lead screw 2 to rotate, the first lead screw 2 rotates and drives the moving frame 21 to move, the moving frame 21 moves and can drive the acoustic logging instrument 11 to move horizontally, the moving frame 21 moves and can drive the fixed block 24 and the transmission shaft 25 to move outside the transmission rod 26, start the second motor 13, so that the second motor 13 starts to work, the output end of the second motor 13 rotates and drives the transmission rod 26 to rotate, the transmission rod 26 rotates and drives the transmission shaft 25 to rotate through the square groove 27, the transmission shaft 25 rotates and drives the first bevel gear 28 to rotate, the first bevel gear 28 rotates and drives the second bevel gear 29 meshing with it to rotate, the second bevel gear 29 rotates and drives the second lead screw 22 to rotate, the second lead screw 22 rotates and drives the threaded sliding block 23 to rotate and move, the threaded sliding block 23 moves and drives the mounting frame 3 to move, and then can drive the acoustic logging instrument 11 to move longitudinally, so that the acoustic logging instrument 11 can move at multiple points above the oil well, through the detection of multiple points, high-precision depth data can be provided, and the condition of the well wall can be monitored in real time, which helps to identify potential geological changes or well wall instability and the like, the structure and depth change of the oil well can be comprehensively understood, which helps to optimize the drilling strategy and improve the production efficiency.

[0031] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. An oil well depth measuring device comprising a support frame (1) and a sonic logging instrument (11), characterized in that: The acoustic logging instrument (11) is installed inside the support frame (1), a first lead screw (2) is rotationally arranged inside the support frame (1), a moving frame (21) is threadedly arranged outside the first lead screw (2), a second lead screw (22) is rotationally arranged at the bottom end of the moving frame (21), a threaded sliding block (23) is threadedly arranged outside the second lead screw (22), and the acoustic logging instrument (11) is installed outside the threaded sliding block (23). A transmission rod (26) is rotationally arranged inside the support frame (1), a fixed block (24) is fixedly arranged outside the moving frame (21), a transmission shaft (25) is rotationally inserted into the fixed block (24), the transmission shaft (25) is movably sleeved outside the transmission rod (26), a square groove (27) is formed in a symmetrical distribution on the outside of the transmission rod (26), the transmission shaft (25) is movably inserted into the square groove (27), a first bevel gear (28) is fixedly arranged outside the transmission shaft (25), a second bevel gear (29) is fixedly arranged at one end of the second lead screw (22) close to the first bevel gear (28), and the first bevel gear (28) and the second bevel gear (29) are in meshing engagement.

2. An oil well depth measuring device as defined in claim 1, wherein: A mounting frame (3) is fixedly arranged at the bottom end of the threaded sliding block (23), a threaded rod (31) is rotationally inserted into the mounting frame (3), a soft pad (32) is mounted at the end of the threaded rod (31), the acoustic logging instrument (11) is installed inside the soft pad (32), the soft pad (32) is attached to the outside of the acoustic logging instrument (11), and a turntable (33) is fixedly arranged at the end of the threaded rod (31) away from the soft pad (32).

3. An oil well depth measuring device as defined in claim 1, wherein: A plurality of rollers (15) are arranged in a rectangular array at the bottom end of the support frame (1).

4. An oil well depth measuring device as defined in claim 1 wherein: An auxiliary rod (14) is fixedly arranged inside the support frame (1) and movably inserted into the moving frame (21).

5. An oil well depth measuring device as defined in claim 1 wherein: A first motor (12) is installed outside the support frame (1), and the output end of the first motor (12) is inserted into the support frame (1) and fixedly connected with the first lead screw (2).

6. An oil well depth measuring device as defined in claim 1, wherein: A second motor (13) is installed outside the support frame (1), and the output end of the second motor (13) is inserted into the support frame (1) and fixedly connected with the transmission rod (26).