Underground steel wire fishing device for petroleum drilling

By designing an underground wire salvage device with motor-driven worm transmission and support legs, the existing device's cumbersome and unstable operation is solved, simplified operation and stable support are achieved, and salvage efficiency and safety are improved.

CN223305688UActive Publication Date: 2025-09-05SICHUAN HENGFAN OIL & GAS ENGINEERING TECHNOLOGY SERVICE CO LTD
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Patent Information

Application Number
CN202423006561.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-09-05
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

The existing underground wire salvage device for oil drilling has complicated operation steps, making it difficult to accurately clamp the steel wire, and is not convenient to stabilize the support underground, which increases the difficulty of operation and the risk of damage.

Method used

An underground wire salvage device including top plate, side plate, bolt, motor, worm, worm gear, salvage board and other components is designed. The coiling of the salvage board is achieved through the motor driving the worm and worm gear transmission, and is equipped with supporting legs and rubber pads to stabilize the device downhole.

Benefits of technology

Simplify the salvage operation steps, improve salvage efficiency, reduce operation difficulty and time cost, and ensure that the device is stable downhole and avoid damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an underground steel wire salvaging device for petroleum drilling, which belongs to the technical field of salvaging devices and comprises a top plate, side plates fixedly connected to two sides of the top plate, bolts connected to the middles of the side plates, a connecting plate fixedly connected to the bottom of the top plate, a salvaging component arranged on one side of the connecting plate and comprising a fixing plate. According to the underground steel wire salvaging device for petroleum drilling, the salvaging assembly is additionally arranged, so that the operation steps of the salvaging action are simple, the situation that the salvaging operation is completed by repeatedly adjusting the position or the angle is avoided, the operation difficulty and the time cost are reduced, and the salvaging efficiency is improved. According to the underground steel wire salvaging device for petroleum drilling, the bolts, the supporting legs and the rubber pads are additionally arranged, so that the whole device can be stably supported underground, the difficulty of salvaging operation is reduced, and the salvaging device or underground equipment is prevented from being damaged.
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Description

Technical Field

[0001] The utility model relates to the technical field of fishing devices, in particular to a downhole steel wire fishing device for oil drilling. Background Art

[0002] The downhole steel wire fishing device for oil drilling is a device specifically designed to salvage and recover steel wire that has accidentally fallen into the well during oil drilling operations. This device is designed to improve salvage efficiency, ensure smooth well operations, and prevent damage to downhole machinery and equipment caused by the steel wire.

[0003] The existing downhole steel wire fishing device for oil drilling still has the following aspects to be improved during use:

[0004] 1. The operation steps of some salvage devices are cumbersome and require multiple adjustments of position or angle to complete the salvage operation, which increases the difficulty and time cost of operation.

[0005] 2. It is usually inconvenient to support the entire device underground. During the salvage process, it may be unable to accurately clamp the wire due to shaking or deviation, resulting in salvage failure. This not only increases the difficulty of the salvage operation, but may also cause damage to the salvage device or underground equipment. Utility Model Content

[0006] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a downhole steel wire fishing device for oil drilling.

[0007] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a downhole steel wire salvage device for oil drilling, comprising a top plate, side plates fixedly connected to both sides of the top plate, bolts connected to the middle of the side plates, a connecting plate fixedly connected to the bottom of the top plate, a salvage assembly provided on one side of the connecting plate, the salvage assembly comprising a fixed plate fixedly connected to one side of the connecting plate, two groups of fixed plates being provided, and a worm being rotatably connected between the two groups of fixed plates.

[0008] As a further description of the above technical solution:

[0009] The salvage assembly also includes a motor, which is connected to the top of the top plate. The output shaft of the motor is fixedly connected to the worm, and the worm is meshed with a worm wheel. The middle of the worm wheel is fixedly connected to a connecting shaft, and the connecting shaft rotates in the middle of the connecting plate.

[0010] As a further description of the above technical solution:

[0011] The salvage assembly also includes an L-shaped plate, which is fixedly connected to the bottom of the connecting plate, an extension block is fixedly connected to one side of the L-shaped plate, the outer wall of the connecting shaft is rotatably connected to the salvage plate, the bottom of the salvage plate is fixedly connected to the bottom plate, one side of the bottom plate is fixedly connected to the extension plate, and a connecting rod is rotatably connected between the extension plate and the extension block.

[0012] As a further description of the above technical solution:

[0013] The top of the top plate is fixedly connected with a fixing frame, and the middle part of the fixing frame is fixedly connected with the motor.

[0014] As a further description of the above technical solution:

[0015] The salvage plate is provided with a plurality of groups of holes.

[0016] As a further description of the above technical solution:

[0017] A handle is fixedly connected to the top of the top plate.

[0018] As a further description of the above technical solution:

[0019] The bottom of the top plate is fixedly connected with a supporting leg, and the bottom of the supporting leg is connected with a rubber pad.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the present invention, by adding a fishing assembly to the downhole wire fishing device for oil drilling, the operation steps of the fishing action are simplified, and the multiple adjustments of position or angle to complete the fishing operation are avoided, thereby reducing the operation difficulty and time cost.

[0022] 2. In the present invention, bolts, support legs and rubber pads are added to the downhole steel wire fishing device for oil drilling, so that the entire device can be stably supported underground, which not only reduces the difficulty of the fishing operation but also avoids damage to the fishing device or downhole equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a first-perspective view of a downhole steel wire fishing device for oil drilling proposed by the present invention;

[0024] Figure 2 This is a second perspective view of a downhole steel wire fishing device for oil drilling proposed by the utility model;

[0025] Figure 3 This is a third-angle view of a downhole steel wire fishing device for oil drilling proposed by the present invention;

[0026] Figure 4This is a fourth perspective view of a downhole steel wire fishing device for oil drilling proposed by the utility model.

[0027] Legend:

[0028] 1. Top plate; 2. Side plate; 3. Fixed frame; 4. Handle; 5. Motor; 6. Bolt; 7. Connecting shaft; 8. Worm gear; 9. Fixed plate; 10. Worm; 11. L-shaped plate; 12. Connecting plate; 13. Connecting rod; 14. Extension plate; 15. Hole; 16. Salvage plate; 17. Support leg; 18. Rubber pad; 19. Extension block; 20. Bottom plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Reference Figures 1-4 The utility model provides an embodiment: a downhole steel wire salvage device for oil drilling, comprising a top plate 1, side plates 2 are fixedly connected to both sides of the top plate 1, a bolt 6 is connected to the middle of the side plate 2, a connecting plate 12 is fixedly connected to the bottom of the top plate 1, a salvage assembly is provided on one side of the connecting plate 12, the salvage assembly comprises a fixing plate 9, the fixing plate 9 is fixedly connected to one side of the connecting plate 12, two groups of fixing plates 9 are provided, and a worm 10 is rotatably connected between the two groups of fixing plates 9.

[0031] The salvage assembly also includes a motor 5, which is connected to the top of the top plate 1, and the output shaft of the motor 5 is fixedly connected to the worm 10, which is meshed with a worm wheel 8. The middle part of the worm wheel 8 is fixedly connected to the connecting shaft 7, and the connecting shaft 7 rotates in the middle part of the connecting plate 12. The salvage assembly also includes an L-shaped plate 11, which is fixedly connected to the bottom of the connecting plate 12, and an extension block 19 is fixedly connected to one side of the L-shaped plate 11. The outer wall of the connecting shaft 7 is rotatably connected to the salvage plate 16, and the bottom of the salvage plate 16 is fixedly connected to the bottom plate 20. One side of the bottom plate 20 is fixed. An extension plate 14 is connected, and a connecting rod 13 is rotatably connected between the extension plate 14 and the extension block 19. The top of the top plate 1 is fixedly connected to a fixed frame 3, and the middle part of the fixed frame 3 is fixedly connected to the motor 5. The fixed frame 3 supports the motor 5. Several groups of holes 15 are provided on the salvage plate 16. The top of the top plate 1 is fixedly connected to a handle 4, and the handle 4 facilitates the extraction of the entire device. The bottom of the top plate 1 is fixedly connected to a support leg 17, and the bottom of the support leg 17 is connected with a rubber pad 18. The support leg 17 and the rubber pad 18 improve the stability of the overall device.

[0032] Working principle: The staff holds the handle 4 and places the downhole steel wire salvage device for oil drilling to the required position. The downhole steel wire salvage device for oil drilling is connected to the contact surface in the well through the bolt 6. The support legs 17 and the rubber pads 18 are used for support. The motor 5 is started, and the output shaft of the motor 5 drives the worm 10 to rotate. The worm 10 engages with the worm gear 8 to move, and the worm gear 8 drives the connecting shaft 7 to rotate. The connecting shaft 7 rotates between the two sets of connecting plates 12. The connecting shaft 7 drives one end of the salvage plate 16 to reel on the outer wall of the connecting shaft 7. The connecting rod 13 rotates between the extension plate 14 and the extension block 19. The bottom plate 20 and the connecting shaft 7 drive the salvage plate 16 to tilt to realize the salvage action. Through the setting of the hole 15, the steel wire is filtered on the top of the salvage plate 16 for unified collection by the staff.

[0033] The electrical components appearing in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that controls a computer, etc. The specific implementation method of this disclosure omits the detailed description of known functions and known components. To ensure the compatibility of the equipment, the operating methods used are consistent with the parameters of marketed equipment.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A downhole steel wire fishing device for oil drilling, comprising a top plate (1), characterized in that: The top plate (1) is fixedly connected to the side plates (2) on both sides, the middle of the side plates (2) is connected with a bolt (6), the bottom of the top plate (1) is fixedly connected to the connecting plate (12), one side of the connecting plate (12) is provided with a salvage assembly, the salvage assembly includes a fixed plate (9), the fixed plate (9) is fixedly connected to one side of the connecting plate (12), two groups of the fixed plates (9) are provided, and a worm (10) is rotatably connected between the two groups of the fixed plates (9).

2. A downhole steel wire fishing device for oil drilling according to claim 1, characterized in that: The salvage assembly further comprises a motor (5), the motor (5) being connected and arranged on the top of the top plate (1), the output shaft of the motor (5) being fixedly connected to a worm (10), the worm (10) being meshedly connected to a worm wheel (8), the middle of the worm wheel (8) being fixedly connected to a connecting shaft (7), and the connecting shaft (7) rotating in the middle of the connecting plate (12).

3. A downhole steel wire fishing device for oil drilling according to claim 2, characterized in that: The salvage assembly further comprises an L-shaped plate (11), the L-shaped plate (11) being fixedly connected to the bottom of the connecting plate (12), an extension block (19) being fixedly connected to one side of the L-shaped plate (11), a salvage plate (16) being rotatably connected to the outer wall of the connecting shaft (7), a bottom of the salvage plate (16) being fixedly connected to a bottom plate (20), an extension plate (14) being fixedly connected to one side of the bottom plate (20), and a connecting rod (13) being rotatably connected between the extension plate (14) and the extension block (19).

4. The downhole steel wire fishing device for oil drilling according to claim 1, characterized in that: The top of the top plate (1) is fixedly connected to a fixing frame (3), and the middle of the fixing frame (3) is fixedly connected to the motor (5).

5. The downhole steel wire fishing device for oil drilling according to claim 3, characterized in that: The salvage plate (16) is provided with a plurality of groups of holes (15).

6. The downhole steel wire fishing device for oil drilling according to claim 1, characterized in that: A handle (4) is fixedly connected to the top of the top plate (1).

7. The downhole steel wire fishing device for oil drilling according to claim 1, characterized in that: The bottom of the top plate (1) is fixedly connected to a support leg (17), and the bottom of the support leg (17) is connected to a rubber pad (18).