CN219387818U

CN219387818U - Sleeve type downhole fishing tool

Info

Publication number: CN219387818U
Application number: CN202320607414.5U
Authority: CN
Inventors: 陆文斌; 臧小东; 施结兵; 陆文平; 杨永亮
Original assignee: Shaanxi Ruilikang Petroleum Technology Co ltd
Current assignee: Shaanxi Ruilikang Petroleum Technology Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-07-21
Anticipated expiration: 2033-03-24

Abstract

The utility model relates to the technical field of fishing tools, and discloses a sleeve type downhole fishing tool; the sleeve type downhole fishing tool comprises a sleeve, wherein a fishing mechanism is arranged on the bottom wall of the sleeve, a motor is arranged on the top wall of the sleeve, a double-head threaded rod is arranged at the output end of the motor, and the bottom end of the double-head threaded rod is provided with the bottom wall of an inner sleeve cavity; through setting up devices such as support frame, track wheel and track strip and cooperating, can make the device be convenient for to beat and drag for the mechanism and right, avoid taking place to deflect, be favorable to making the device be convenient for roll the removal at the wall of a well.

Description

Sleeve type downhole fishing tool

Technical Field

The utility model belongs to the technical field of fishing tools, and particularly relates to a sleeve type downhole fishing tool.

Background

The downhole operation of an oil-gas well is realized by a tool string formed by combining and connecting various tools, one of common connecting modes is to connect two mutually independent tools in a slip structure, for example, a downhole choke is connected in a downhole oil pipe in a slip structure, and the like, the downhole tools can be salvaged through a salvaging tool, the existing salvaging tool is easy to deflect when being lowered in salvaging, so that the tools are easy to collide with a well wall to cause damage, and therefore, a sleeve type downhole salvaging tool is provided.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the sleeve type downhole fishing tool, which effectively solves the problem that the existing fishing tool is easy to deflect when being lowered in the fishing process, so that the tool is easy to damage due to collision of a well wall.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a telescopic fishing tool in pit, includes the sleeve, telescopic diapire is provided with fishing mechanism, telescopic roof is provided with the motor, the output of motor is provided with double-end threaded rod, double-end threaded rod's bottom is provided with the diapire of sleeve inner chamber, the upper and lower both sides of double-end threaded rod outer wall all are provided with the regulating block, the outer wall of regulating block evenly is provided with the connecting rod, telescopic inner wall is provided with the fixed block, the fixed block is located two sets of opposite sides of regulating block, the upper and lower both sides of fixed block outer wall all are provided with the bracing piece, upper and lower both sides the other end of bracing piece and connecting rod all is provided with rolling mechanism, the effect groove has evenly been seted up to telescopic outer wall.

Preferably, the rolling mechanism comprises a supporting frame, crawler wheels are arranged on the upper side and the lower side of the inner wall of the supporting frame, and crawler strips are arranged on the outer wall of the crawler wheels.

Preferably, the inner wall of the sleeve is square, and the outer wall of the adjusting block is square.

Preferably, the upper and lower side walls of the adjusting block are provided with buffer rings, and the buffer rings are made of rubber materials.

Preferably, a sleeve frame is arranged on the lower side of the outer wall of the fishing mechanism, and rollers are uniformly arranged on the outer wall of the sleeve frame.

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

1. according to the sleeve type downhole fishing tool, the sleeve, the fishing mechanism, the motor and other devices are matched, so that the device is convenient for righting the fishing mechanism, the fishing tool is prevented from deflecting in the fishing process, and damage caused by collision on a well wall is prevented;

2. according to the sleeve type downhole fishing tool, the supporting frame, the crawler wheels, the crawler strips and other devices are matched, so that the device can be convenient for righting a fishing mechanism, deflection is avoided, and rolling movement of the device on a well wall is facilitated;

3. according to the sleeve type downhole fishing tool, the devices such as the roller, the sleeve joint and the fishing mechanism are matched, so that the device can conveniently avoid collision between the fishing mechanism and a well wall when being lowered, and the fishing mechanism is protected.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a base plate of the present utility model;

FIG. 3 is a schematic cross-sectional view of the collection box of the present utility model;

in the figure: 100. a sleeve; 101. a salvaging mechanism; 102. a motor; 103. a double-ended threaded rod; 104. an adjusting block; 105. a connecting rod; 106. a fixed block; 107. a support rod; 108. a rolling mechanism; 109. a support frame; 110. track wheels; 111. track strips; 112. a buffer ring; 113. a sleeve frame; 114. and a roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

According to the sleeve type downhole fishing tool disclosed by the utility model, as shown in fig. 1, 2 and 3, the bottom wall of the sleeve 100 is fixedly connected with the fishing mechanism 101, the downhole tool is conveniently fished through the fishing mechanism 101, the top wall of the sleeve 100 is fixedly connected with the motor 102, the motor 102 drives the double-head threaded rod 103 to rotate, the motor 102 adopts a waterproof type, the output end of the motor 102 is fixedly connected with the double-head threaded rod 103, the double-head threaded rod 103 is convenient for driving the regulating block 104 to move, the bottom end of the double-head threaded rod 103 is rotationally connected with the bottom wall of the inner cavity of the sleeve 100, the upper side and the lower side of the outer wall of the double-head threaded rod 103 are both in threaded connection with the regulating block 104, the outer wall of the regulating block 104 is uniformly rotationally connected with the connecting rod 105, the rolling mechanism 108 is conveniently driven to move through the connecting rod 105, the inner wall of the sleeve 100 is fixedly connected with the fixed block 106, the fixed block 106 is conveniently supported by the supporting rod 107, the upper side and the lower side of the outer wall of the fixed block 106 is conveniently supported by the supporting rod 107, the rolling mechanism 108 is conveniently supported by the supporting rod 107, the other end of the supporting rod 107 is rotationally connected with the other end of the connecting rod 105, and the sleeve 100 is uniformly provided with a groove with the function of the sleeve 100; the device is lowered into a well, the double-head threaded rod 103 is driven to rotate downwards through the motor 102, the double-head threaded rod 103 is convenient to drive the two groups of adjusting blocks 104 to move oppositely or reversely, the connecting rod 105 is driven to move and rotate through the adjusting blocks 104, the rolling mechanism 108 is convenient to drive through the connecting rod 105 to move, the rolling mechanism 108 is attached to a well wall, the device can be convenient for righting the fishing mechanism 101, the fishing tool is prevented from deflecting in the fishing process, and damage caused by collision on the well wall is prevented; the rolling mechanism 108 comprises a supporting frame 109, wherein the upper side and the lower side of the inner wall of the supporting frame 109 are respectively and rotatably connected with a crawler wheel 110, and the outer wall of the crawler wheel 110 is sheathed with crawler strips 111; the support frame 109 is driven to move through the connecting rod 105, the crawler wheel 110 is driven to move through the movement of the support frame 109, the crawler belt 111 is driven to move through the crawler wheel 110, the crawler belt 111 is attached to the well wall, the device can be convenient for righting the fishing mechanism 101, deflection is avoided, the device can be convenient for rolling and moving on the well wall, the inner wall of the sleeve 100 is square, and the outer wall of the regulating block 104 is square; the square arrangement can facilitate the up-and-down movement of the adjusting block 104, avoid deflection to affect the righting of the device, and the upper and lower side walls of the adjusting block 104 are fixedly connected with the buffer rings 112, wherein the buffer rings 112 are made of rubber materials; the buffer ring 112 is arranged to buffer the movement of the regulating block 104, so that the damage caused by collision with the sleeve 100 is avoided, the lower side of the outer wall of the salvaging mechanism 101 is fixedly connected with the sleeve frame 113, and the outer wall of the sleeve frame 113 is uniformly and rotatably connected with the roller 114; by arranging the roller 114, the salvage mechanism 101 is prevented from colliding with the well wall when the salvage mechanism is lowered, and the salvage mechanism 101 is protected.

Working principle: the device is lowered into a well, the double-headed threaded rod 103 is driven to rotate downwards through the motor 102, the two groups of adjusting blocks 104 are conveniently driven to move oppositely or oppositely through the double-headed threaded rod 103, the connecting rod 105 is driven to move and rotate through the adjusting blocks 104, the rolling mechanism 108 is conveniently driven to move through the connecting rod 105, the rolling mechanism 108 is attached to the well wall, the device can be conveniently used for righting the fishing mechanism 101, a fishing tool is prevented from deflecting in the fishing process, damage caused by collision of the well wall is prevented, the supporting frame 109 is driven to move through the connecting rod 105, the crawler belt wheel 110 is driven to move through the supporting frame 109, the crawler belt wheel 111 is driven to move through the crawler belt wheel 110, the crawler belt 111 is attached to the well wall, the device can be conveniently righting the fishing mechanism 101, deflection is avoided, and the device is conveniently and rolled and moved on the well wall.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A telescopic downhole fishing tool comprising a sleeve (100), characterized in that: the utility model discloses a fishing device, including sleeve (100) and fixed block (106), the diapire of sleeve (100) is provided with fishing mechanism (101), the roof of sleeve (100) is provided with motor (102), the output of motor (102) is provided with double-end threaded rod (103), the bottom of double-end threaded rod (103) is provided with the diapire of sleeve (100) inner chamber, the upper and lower both sides of double-end threaded rod (103) outer wall all are provided with regulating block (104), the outer wall of regulating block (104) evenly is provided with connecting rod (105), the inner wall of sleeve (100) is provided with fixed block (106), fixed block (106) are located two sets of the opposite sides of regulating block (104), the upper and lower both sides of fixed block (106) outer wall all are provided with bracing piece (107), upper and lower both sides the other end of bracing piece (107) and connecting rod (105) all is provided with rolling mechanism (108), the effect groove has evenly been seted up to the outer wall of sleeve (100).

2. A telescopic downhole fishing tool according to claim 1, wherein: the rolling mechanism (108) comprises a supporting frame (109), crawler wheels (110) are arranged on the upper side and the lower side of the inner wall of the supporting frame (109), and crawler strips (111) are arranged on the outer wall of the crawler wheels (110).

3. A telescopic downhole fishing tool according to claim 2, wherein: the inner wall of sleeve (100) is square setting, the outer wall of regulating block (104) is square setting.

4. A telescopic downhole fishing tool according to claim 3, wherein: the upper and lower lateral walls of regulating block (104) all are provided with buffer ring (112), buffer ring (112) adopt rubber material to make.

5. A telescopic downhole fishing tool according to claim 4, wherein: the fishing device is characterized in that a sleeve frame (113) is arranged on the lower side of the outer wall of the fishing mechanism (101), and rollers (114) are uniformly arranged on the outer wall of the sleeve frame (113).