A downhole wireline fishing device

Abstract

The utility model discloses a kind of for underground steel wire fishing device, including fixing frame, the middle end fixedly connected with working tank in the top of fixing frame, the right end fixedly installed with driving motor on the top of working tank outer surface, the output end fixedly installed with worm of driving motor, the right end of the bottom of worm is movably connected in the bottom of working tank inner cavity by bearing.This utility model is through the setting of sewage submersible pump, driving motor, worm, worm wheel, shaft, carousel, steel wire rope and fixed seat, personnel is in the process of fishing with sewage submersible pump is lowered to underground, to facilitate the fishing operation of the dirt under well, simultaneously through the setting of limiting sleeve, vertical rod, fixed disc, L-shaped pin rod, supporting spring, pin hole, moving plate, clamping rod and annular clamping groove, fixed seat and sewage submersible pump can be effectively locked and positioned after underground fishing is completed, avoid sewage submersible pump swing collision and cause damage in the process of whole transfer.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of downhole fishing, in particular to a device for fishing downhole steel wire. BACKGROUND

[0002] Downhole fishing refers to the process of using specific tools or equipment to fish up the dirt in the oil well during oilfield exploration and development to maintain normal production of the oil well. Currently, the process of downhole fishing usually adopts the method of lowering the submersible sewage pump by steel wire rope, and the dirt in the well is fished up by mechanical force. Since the submersible sewage pump is connected only by steel wire rope during use, when the fishing work is completed and the whole needs to be transferred, the lack of effective limiting and fixing structure of the submersible sewage pump causes the submersible sewage pump to swing under the action of force, and the submersible sewage pump is prone to collision with objects, resulting in damage and further economic loss to personnel. SUMMARY

[0003] The utility model discloses a device for fishing downhole steel wire, which has the advantages of being able to effectively limit and fix the submersible sewage pump after downhole fishing is completed, avoiding the submersible sewage pump from swinging and colliding during the whole transfer process, and preventing damage.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a device for fishing downhole steel wire, comprising a fixing frame, the middle end of the top of the fixing frame is fixedly connected with a working box, the right end of the top of the outer surface of the working box is fixedly installed with a driving motor, the output end of the driving motor is fixedly installed with a worm, the bottom of the worm is movably connected with the right end of the bottom of the inner cavity of the working box through a bearing, the middle end of the right side of the inner cavity of the working box is movably connected with a rotating shaft through a bearing, the middle end of the rotating shaft is fixedly installed with a worm wheel, the worm wheel is engaged with the worm, the left side of the rotating shaft is fixedly connected with a rotating disc, the surface of the rotating disc is wound with a steel wire rope, the bottom of the steel wire rope is fixedly connected with a fixing seat, the upper end of the fixing seat is provided with an annular clamping groove, the bottom of the fixing seat is fixedly installed with a submersible sewage pump, the surface of the steel wire rope is movably connected with a limiting sleeve, the back surface of the limiting sleeve is fixedly connected with a fixing frame, the both ends of the bottom of the inner cavity of the fixing frame are provided with pin holes, the middle end of the front surface of the fixing frame is movably connected with a clamping rod, the back surface of the clamping rod is fixedly connected with a moving plate, the middle end of the moving plate is movably connected with a vertical rod, the top of the vertical rod is fixedly connected with a fixing disc, the bottom of the fixing disc and the middle end of the top of the moving plate are fixedly connected with a supporting spring, the middle ends of the both sides of the vertical rod are fixedly connected with L-shaped pin rods, the lower ends of the L-shaped pin rods are movably connected with the surface of the pin hole.

[0005] As a preferred scheme, the middle end of the front surface of the working box is movably connected with a guide wheel through a bearing, and the surface of the steel wire rope is movably connected with the surface of the guide wheel.

[0006] As a preferred scheme, the top of the fixed frame outer surface is fixedly connected with the support plate between the lower end of the front surface of the working box, and the number of the support plate is two.

[0007] As a preferred scheme, the middle end of the left side of the rotating disc is fixedly connected with the support shaft, and the left side of the support shaft is movably connected with the middle end of the left side of the inner cavity of the working box through the bearing.

[0008] As a preferred scheme, the bottom of the fixed frame is fixedly connected with the support bottom plate, and the periphery of the bottom of the support bottom plate is movably connected with the brake casters through the bearing.

[0009] As a preferred scheme, the two ends of the moving plate are movably connected with the guide cross rod, and the two sides of the guide cross rod are fixedly connected with the inner cavity of the fixed frame.

[0010] As a preferred scheme, the middle end of the bottom of the fixed frame is provided with the accommodating groove, and the lower end of the vertical rod is movably connected with the surface of the accommodating groove.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The utility model discloses a submersible sewage pump, drive motor, worm, worm wheel, shaft, rotating disc, steel wire rope and the setting of fixed seat, personnel is convenient for in the process of salvaging and is lowered to the well down to the submersible sewage pump, in order to the salvaging operation of the sewage under the well is convenient, through the setting of limiting sleeve, vertical rod, fixed disc, L shape pin rod, support spring, pin hole, moving plate, clamping rod and annular clamping groove, can effectively lock the fixed seat and the submersible sewage pump after the salvaging of the well, avoid the damage of the submersible sewage pump from swinging and colliding in the process of shifting as a whole, and personnel is used.

[0013] 2、The utility model discloses the setting of guide pulley reaches the purpose of guiding steel wire rope, through the setting of support plate, reaches the purpose of supporting and fixing between fixed frame and working box, through the setting of support shaft, reaches the purpose of supporting the left side of rotating disc, avoids the inclination of rotating disc due to stress, through the setting of support bottom plate and brake casters, can support the bottom of fixed frame, and it is convenient for personnel to move the whole, through the setting of guide cross rod, reaches the purpose of supporting and guiding moving plate, avoids the inclination of moving plate in the process of moving, through the setting of accommodating groove, reaches the purpose of accommodating vertical rod. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the perspective view of the utility model;

[0015] Figure 2 It is the front view of the working box of the utility model.

[0016] Figure 3 It is the fixed frame right side sectional view structure schematic view of the utility model;

[0017] Figure 4 It is the fixed frame right side sectional view structure schematic view of the utility model; Figure 1 Among them, it is the A place partial close-up view of the utility model.

[0018] In the drawing: 1, fixed frame;2, brake castor;3, support base plate;4, sewage pump;5, annular clamping groove;6, limit sleeve;7, guide wheel;8, working tank;9, support plate;10, fixed frame;11, rotary table;12, steel wire rope;13, support shaft;14, drive motor;15, worm;16, worm wheel;17, rotating shaft;18, clamping rod;19, guide cross bar;20, moving plate;21, fixed disc;22, support spring;23, vertical rod;24, containing groove;25, pin hole;26, fixed seat;27, L-shaped pin rod. Specific implementation

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the utility model. In different places in the specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0021] Embodiment one:

[0022] Please refer to Figures 1-4As shown, the utility model provides a kind of for downhole steel wire fishing device, including fixed frame 1, the middle end of the top of fixed frame 1 is fixedly connected with working tank 8, the right end of the top of the outer surface of working tank 8 is fixedly installed with driving motor 14, the output of driving motor 14 is fixedly installed with worm 15, the bottom of worm 15 is movably connected to the right end of the bottom of the inner chamber of working tank 8, the middle end of the right side of the inner chamber of working tank 8 is movably connected with shaft 17, the middle end of shaft 17 is fixedly installed with worm wheel 16, worm wheel 16 is engaged with worm 15, the left side of shaft 17 is fixedly connected with turntable 11, the surface of turntable 11 is wound with steel wire rope 12, the bottom of steel wire rope 12 is fixedly connected with fixed seat 26, the upper end of fixed seat 26 is provided with annular clamping groove 5, the bottom of fixed seat 26 is fixedly installed with silt pump 4, the surface of steel wire rope 12 is movably connected with limiting sleeve 6, the back of limiting sleeve 6 is fixedly connected with fixed frame 10, both ends of the bottom of the inner chamber of fixed frame 10 are provided with pin hole 25, the middle end of the front surface of fixed frame 10 is movably connected with clamping rod 18, the back of clamping rod 18 is fixedly connected with moving plate 20, the middle end of moving plate 20 is movably connected with vertical rod 23, the top of vertical rod 23 is fixedly connected with fixed disc 21, the bottom of fixed disc 21 is fixedly connected with support spring 22 between the middle end of the top of moving plate 20, the middle end of both sides of vertical rod 23 is fixedly connected with L-shaped pin rod 27, the lower end of L-shaped pin rod 27 is movably connected to the surface of pin hole 25.

[0023] In the technical scheme, the silt pump 4, the driving motor 14, the worm 15, the worm wheel 16, the shaft 17, the turntable 11, the steel wire rope 12 and the fixed seat 26 are arranged, so that the personnel can lower the silt pump 4 to the underground well during the fishing process, so as to facilitate the fishing operation of the underground dirt, and the limiting sleeve 6, the vertical rod 23, the fixed disc 21, the L-shaped pin rod 27, the support spring 22, the pin hole 25, the moving plate 20, the clamping rod 18 and the annular clamping groove 5 are arranged, so that the fixed seat 26 and the silt pump 4 can be effectively locked and limited after the fishing in the underground well is completed, the silt pump 4 is prevented from being damaged due to swinging and collision during the whole transfer process, and the personnel can use it conveniently.

[0024] Embodiment two

[0025] On the basis of embodiment one, the utility model as Figures 1-3As shown, the working box 8 is connected with the guide wheel 7 through the bearing, the surface of the steel wire rope 12 is connected with the surface of the guide wheel 7, the top of the outer surface of the fixed frame 10 is fixedly connected with the lower end of the front surface of the working box 8, the number of the support plates 9 is two, the left side of the rotating disc 11 is fixedly connected with the support shaft 13, the left side of the support shaft 13 is connected with the left side of the inner cavity of the working box 8 through the bearing, the bottom of the fixed frame 1 is fixedly connected with the support bottom plate 3, the periphery of the bottom of the support bottom plate 3 is movably connected with the brake trolley 2, the both ends of the moving plate 20 are movably connected with the guide cross rod 19, the both sides of the guide cross rod 19 are fixedly connected with the inner cavity of the fixed frame 10, the middle end of the bottom of the fixed frame 10 is provided with the accommodating groove 24, and the lower end of the vertical rod 23 is movably connected with the surface of the accommodating groove 24.

[0026] In the technical scheme, the guide wheel 7 is arranged to guide the steel wire rope 12, the support plate 9 is arranged to support and fix the fixed frame 10 and the working box 8, the support shaft 13 is arranged to support the left side of the rotating disc 11, the support bottom plate 3 and the brake trolley 2 are arranged to support the bottom of the fixed frame 1 and facilitate the movement of the whole, the guide cross rod 19 is arranged to support and guide the moving plate 20, the accommodating groove 24 is arranged to accommodate the vertical rod 23.

[0027] The working principle of the utility model is: first, the submersible sewage pump 4 is moved to the top of the well mouth which needs to be fished, and is connected with the pipeline, then the driving motor 14 is started to drive the worm 15 to rotate, the worm 15 rotates to drive the worm wheel 16, the shaft 17 and the turntable 11 to rotate, the turntable 11 rotates to release the steel wire rope 12, and the steel wire rope 12 is gradually moved downwards with the fixed seat 26 and the submersible sewage pump 4, so that the submersible sewage pump 4 can be moved into the well, and the sewage in the well can be quickly extracted and fished under the action of the submersible sewage pump 4, so that the effect of fishing operation in the well is realized, and when the fishing operation is completed, the driving motor 14 is started to drive the worm 15, the worm wheel 16, the shaft 17 and the turntable 11 to rotate in the other direction, the turntable 11 rotates to wind the steel wire rope 12, and the fixed seat 26 and the submersible sewage pump 4 are gradually moved upwards, until the fixed seat 26 is inserted into the inside of the limiting sleeve 6, then the staff moves the vertical rod 23 upwards to drive the fixed disc 21 and the L-shaped pin rod 27 to move, the fixed disc 21 moves to stretch the supporting spring 22, until the L-shaped pin rod 27 is separated from the surface of the pin hole 25, then the staff pulls the vertical rod 23 to drive the moving plate 20 and the clamping rod 18 to move, so that the clamping rod 18 is inserted into the annular clamping groove 5, then the staff stops pushing the vertical rod 23, and the fixed disc 21, the vertical rod 23 and the L-shaped pin rod 27 are moved downwards under the action of the supporting spring 22, so that the L-shaped pin rod 27 is inserted into the pin hole 25 at different positions, so that the moving plate 20 and the clamping rod 18 can be effectively limited, and the fixed seat 26 and the submersible sewage pump 4 can be effectively locked and limited under the cooperation of the clamping rod 18, the annular clamping groove 5 and the limiting sleeve 6, so that the submersible sewage pump 4 is prevented from being damaged by swinging and colliding during the whole transfer process, and the staff can use it conveniently.

[0028] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the present application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating

[0029] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the best mode for carrying out the present application, or those which are apparent).

[0030] Finally, it should be noted that the above-mentioned embodiments are merely used to illustrate the technical solutions of the present application, but not to limit the protection scope of the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A device for downhole wire retrieval, comprising a fixing frame (1), characterized in that: A work box (8) is fixedly connected to the middle of the top of the fixed frame (1). A drive motor (14) is fixedly installed on the right end of the top of the outer surface of the work box (8). A worm gear (15) is fixedly installed at the output end of the drive motor (14). The bottom of the worm gear (15) is movably connected to the right end of the bottom of the inner cavity of the work box (8) through a bearing. A rotating shaft (17) is movably connected to the middle end of the right side of the inner cavity of the work box (8) through a bearing. A worm wheel (16) is fixedly installed at the middle end of the rotating shaft (17). The worm wheel (16) meshes with the worm gear (15). A turntable (11) is fixedly connected to the left side of the rotating shaft (17). A steel wire rope (12) is wound on the surface of the turntable (11). A fixed seat (26) is fixedly connected to the bottom of the steel wire rope (12). An annular groove (5) is opened at the upper end of the fixed seat (26). A submersible pump (4) is fixedly installed at the bottom of the 6). A limiting sleeve (6) is movably connected to the surface of the wire rope (12). A fixed frame (10) is fixedly connected to the back of the limiting sleeve (6). Pin holes (25) are opened at both ends of the bottom of the inner cavity of the fixed frame (10). A locking rod (18) is movably connected to the middle of the front surface of the fixed frame (10). A moving plate (20) is fixedly connected to the back of the locking rod (18). A vertical rod (23) is movably connected to the middle of the moving plate (20). A fixed plate (21) is fixedly connected to the top of the vertical rod (23). A support spring (22) is fixedly connected between the bottom of the fixed plate (21) and the middle of the top of the moving plate (20). L-shaped pins (27) are fixedly connected to the middle of both sides of the vertical rod (23). The lower end of the L-shaped pin (27) is movably connected to the surface of the pin hole (25).

2. The device for downhole wire retrieval according to claim 1, characterized in that: The guide wheel (7) is movably connected to the middle of the front surface of the work box (8) via a bearing, and the surface of the wire rope (12) is movably connected to the surface of the guide wheel (7).

3. The device for downhole wire retrieval according to claim 1, characterized in that: A support plate (9) is fixedly connected between the top of the outer surface of the fixed frame (10) and the lower end of the front surface of the work box (8), and there are two support plates (9).

4. The device for downhole wire retrieval according to claim 1, characterized in that: A support shaft (13) is fixedly connected to the middle of the left side of the turntable (11), and the left side of the support shaft (13) is movably connected to the middle of the left side of the inner cavity of the work box (8) through a bearing.

5. A wire retrieval device for downhole operations according to claim 1, characterized in that: The bottom of the fixed frame (1) is fixedly connected to a support base plate (3), and the bottom of the support base plate (3) is movably connected to brake casters (2) through bearings on all four sides.

6. The device for downhole wire retrieval according to claim 1, characterized in that: Both ends of the movable plate (20) are movably connected to guide crossbars (19), and the two sides of the guide crossbars (19) are fixedly connected to the inner cavity of the fixed frame (10).

7. A wire retrieval device for downhole operations according to claim 1, characterized in that: The bottom of the fixed frame (10) has a receiving groove (24) at the middle, and the lower end of the upright (23) is movably connected to the surface of the receiving groove (24).

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