CN221002685U

CN221002685U - Fishing tool for oilfield workover operation

Info

Publication number: CN221002685U
Application number: CN202323197161.8U
Authority: CN
Inventors: 高朝; 段喜宏; 贺建全; 徐长续; 赵雅红
Original assignee: Yanchang Oil Field Co ltd Wuqi Oil Production Factory
Current assignee: Yanchang Oil Field Co ltd Wuqi Oil Production Factory
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-05-24
Anticipated expiration: 2033-11-27

Abstract

The utility model belongs to the field of well repair and fishing tools, in particular to a fishing tool for oil field well repair operation, which comprises a cylindrical barrel, wherein the inner wall of the cylindrical barrel is in threaded connection with a clamping mechanism, the top of the clamping mechanism is fixedly provided with a quick-release mechanism, the clamping mechanism comprises a ring block, the ring block is in threaded connection with the inner wall of the cylindrical barrel, and the quick-release mechanism comprises a first cylinder; through setting up clamping mechanism, can reach the cylinder centre gripping in the cylinder internal diameter, through setting up clamping piece and slope, can reach the cylinder of being salvaged when getting into the drum, clamping piece downstream makes clamping piece draw close to the centre through the direction of slope to reach the purpose of clamping the cylinder, through setting up quick detach mechanism, can reach to fix and rotate clamping mechanism, through setting up first through-hole, second through-hole and screw, can reach the purpose of dismantling and assembling fast to the cylinder.

Description

Fishing tool for oilfield workover operation

Technical Field

The utility model relates to the field of well repair fishing tools, in particular to a fishing tool for oil field well repair operation.

Background

The oil field well repair operation refers to an operation of petroleum drilling and subsequent oil well maintenance, and in order to ensure smooth use of an oil well, maintenance and maintenance measures are taken, when a cylindrical object in the oil well is salvaged, a salvaging tool for the oil field well repair operation is needed.

When the oil well falls or cylindrical objects exist, the stroke of a common fishing tool is too small, so that the components in the fishing tool need to be disassembled and replaced during fishing, and the progress of fishing work is influenced; accordingly, a fishing tool for oilfield workover is proposed to solve the above problems.

Disclosure of utility model

In order to overcome the defects in the prior art, the common fishing tool has too small stroke, so that the problem that the progress of the fishing work is influenced because components in the fishing tool are required to be disassembled and replaced during fishing is solved.

The technical scheme adopted for solving the technical problems is as follows: the fishing tool for the oilfield workover operation comprises a cylindrical barrel, wherein the inner wall of the cylindrical barrel is in threaded connection with a clamping mechanism, and the top of the clamping mechanism is fixedly provided with a quick-dismantling mechanism;

The clamping mechanism comprises a ring block, the ring block is in threaded connection with the inner wall of the cylindrical barrel, a sliding rail is fixedly arranged at the bottom of the ring block, and the surface of the sliding rail is in sliding connection with the clamping block;

The quick-dismantling mechanism comprises a first cylinder, the first cylinder is fixedly arranged at the top of the annular block, a round block is fixedly arranged at the top of the first cylinder, a first through hole is formed in the surface of the round block, a first sleeve is movably connected to the surface of the round block, a second through hole is formed in the surface of the first sleeve, screws are movably connected to inner cavities of the first through hole and the second through hole, and nuts are connected to the surface threads of the screws.

Preferably, the inner side of the clamping block is fixedly provided with a plurality of protruding blocks.

Preferably, a spring is fixedly arranged on the surface of the clamping block, and the other end of the spring is fixedly connected with the surface of the other clamping block.

Expansion: through setting up the spring, can reach the object and be pressed from both sides tightly salvage ground after, through the upward movement of ring piece, make the purpose that presss from both sides tight piece and get back to the normal position.

Preferably, a second cylinder is fixedly arranged at the bottom of the cylindrical barrel, and a guide block is fixedly arranged at the bottom of the second cylinder.

Preferably, one end of the sliding rail is fixedly provided with a plurality of stop blocks.

Expansion: through setting up the dog, can reach the purpose that the clamp block drops when pressing from both sides tight thinner cylinder, avoid the clamp block.

Preferably, a second sleeve is fixedly arranged at the top of the cylindrical barrel, and threads are arranged on the inner wall of the second sleeve.

Preferably, the surface of the clamping block is slidingly connected with a slope, and the slope is arranged on the surface of the second cylinder.

The utility model has the advantages that:

1. According to the utility model, the clamping mechanism is arranged, so that the cylinder body within the inner diameter of the cylindrical barrel can be clamped, and the clamping block and the slope are arranged, so that the clamping block moves downwards when the salvaged cylinder body enters the cylindrical barrel, and the clamping block is led to be close to the middle through the guiding of the slope, thereby achieving the purpose of clamping the cylinder body;

2. According to the utility model, the clamping mechanism can be fixed and rotated by arranging the quick-dismantling mechanism, and the purpose of quickly dismantling and assembling the cylindrical barrel can be achieved by arranging the first through hole, the second through hole and the screw.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a clamping mechanism according to the present utility model;

FIG. 3 is a schematic view of the ramp structure of the present utility model;

FIG. 4 is an enlarged view of FIG. 3A in accordance with the present utility model;

FIG. 5 is a schematic view of a quick release mechanism according to the present utility model;

Fig. 6 is a schematic structural view of the guide block of the present utility model.

In the figure: 1. a cylinder barrel; 2. a clamping mechanism; 201. a ring block; 202. a slide rail; 203. a clamping block; 3. a quick-release mechanism; 301. a first cylinder; 302. round blocks; 303. a first through hole; 304. a first sleeve; 305. a second through hole; 306. a screw; 307. a screw cap; 4. a bump; 5. a spring; 6. a second cylinder; 7. a guide block; 8. a stop block; 9. a second sleeve; 10. a thread; 11. and (3) a slope.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

The application will be described in further detail with reference to figures 1-5,

The embodiment of the application discloses a fishing tool for oilfield workover operation. Referring to fig. 2, 4 and 5, a fishing tool for oilfield workover operation comprises a cylindrical barrel 1, wherein the inner wall of the cylindrical barrel 1 is in threaded connection with a clamping mechanism 2, and the top of the clamping mechanism 2 is fixedly provided with a quick-release mechanism 3;

The clamping mechanism 2 comprises a ring block 201, the ring block 201 is in threaded connection with the inner wall of the cylindrical barrel 1, a sliding rail 202 is fixedly arranged at the bottom of the ring block 201, and a clamping block 203 is connected to the surface of the sliding rail 202 in a sliding manner;

The quick release mechanism 3 comprises a first cylinder 301, wherein the first cylinder 301 is fixedly arranged at the top of the ring block 201, a round block 302 is fixedly arranged at the top of the first cylinder 301, a first through hole 303 is formed in the surface of the round block 302, a first sleeve 304 is movably connected to the surface of the round block 302, a second through hole 305 is formed in the surface of the first sleeve 304, screws 306 are movably connected to inner cavities of the first through hole 303 and the second through hole 305, and nuts 307 are connected to the surface of the screws 306 in a threaded manner;

Referring to fig. 2, the inner side of the clamping block 203 is fixedly provided with a plurality of protruding blocks 4, and by arranging the protruding blocks 4, the force of the clamping block 203 when clamping the cylindrical object can be increased when the clamping block 203 clamps the cylindrical object, so that the phenomenon that the clamping block 203 drops when clamping the cylindrical object is avoided;

referring to fig. 2, a spring 5 is fixedly installed on the surface of the clamping block 203, the other end of the spring 5 is fixedly connected with the surface of another clamping block 203, and by arranging the spring 5, the purpose of returning the clamping block 203 to the original position through upward movement of the ring block 201 after an object is clamped and fished to the ground can be achieved;

Referring to fig. 1 and 5, a second cylinder 6 is fixedly installed at the bottom of the cylinder 1, and a guide block 7 is fixedly installed at the bottom of the second cylinder 6, so that the purpose of guiding the position of a cylindrical object by the rotation of the guide block 7 when the cylindrical object is salvaged can be achieved by arranging the guide block 7, and the cylindrical object is guided into the cylinder 1;

Referring to fig. 3, one end of the sliding rail 202 is fixedly provided with a plurality of stoppers 8, and by arranging the stoppers 8, the purpose of preventing the clamping block 203 from falling off when the clamping block 203 clamps a thin cylindrical object can be achieved;

Referring to fig. 1, a second sleeve 9 is fixedly installed at the top of a cylindrical drum 1, threads 10 are arranged on the inner wall of the second sleeve 9, and the purpose of installing and fixing the cylindrical drum 1 can be achieved by arranging the second sleeve 9 and the threads 10;

referring to fig. 2, the surface of the clamping block 203 is slidably connected with a slope 11, the slope 11 is arranged on the surface of the second cylinder 6-, by arranging the slope 11, the clamping block 203 moves downwards when the salvaged cylinder enters the cylinder, and the clamping block 203 approaches to the middle through the guiding of the slope 11, so that the aim of clamping the cylinder is fulfilled;

Working principle: through with second sleeve 9 threaded connection on salvaging the tubular column, it is fixed with first sleeve 304 through salvaging the tubular column, also fix first drum 301 when first sleeve 304 is fixed, through the cooperation of screw 306 and nut 307, thereby reach quick installation and dismantlement, then put into the oil well that needs salvage, when cylindrical object is contacted to guide block 7, drive guide block 7 through the rotation of tubular column, thereby make cylindrical object screw in second sleeve 9, continue to rotate the tubular column, cylindrical shell 1 is then rotated, the annular piece 201 can rotate the downstream and drive clamping piece 203 downstream, the direction through slope 11, clamping piece 203 can draw close to the center, thereby reach the purpose of clamping cylindrical object.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a fishing tool for oil field workover operation which characterized in that: the quick-release type hydraulic cylinder comprises a cylinder (1), wherein the inner wall of the cylinder (1) is in threaded connection with a clamping mechanism (2), and a quick-release mechanism (3) is fixedly arranged at the top of the clamping mechanism (2);

The clamping mechanism (2) comprises a ring block (201), the ring block (201) is in threaded connection with the inner wall of the cylindrical barrel (1), a sliding rail (202) is fixedly arranged at the bottom of the ring block (201), and a clamping block (203) is connected to the surface of the sliding rail (202) in a sliding manner;

Quick detach mechanism (3) include first drum (301), first drum (301) fixed mounting is in the top of ring piece (201), the top fixed mounting of first drum (301) has circle piece (302), first through-hole (303) have been seted up on the surface of circle piece (302), the surface swing joint of circle piece (302) has first sleeve (304), second through-hole (305) have been seted up on the surface of first sleeve (304), the inner chamber swing joint of first through-hole (303) and second through-hole (305) has screw (306), the surface threaded connection of screw (306) has nut (307).

2. A fishing tool for oilfield workover operation as defined in claim 1, wherein: the inner side of the clamping block (203) is fixedly provided with a plurality of protruding blocks (4), and the number of the protruding blocks (4) is a plurality.

3. A fishing tool for oilfield workover operation as defined in claim 2, wherein: the surface of the clamping block (203) is fixedly provided with a spring (5), and the other end of the spring (5) is fixedly connected with the surface of the other clamping block (203).

4. A fishing tool for oilfield workover operation as defined in claim 1, wherein: the bottom of the cylindrical barrel (1) is fixedly provided with a second cylinder (6), and the bottom of the second cylinder (6) is fixedly provided with a guide block (7).

5. A fishing tool for oilfield workover operation as defined in claim 1, wherein: one end of the sliding rail (202) is fixedly provided with a stop block (8), and the number of the stop blocks (8) is a plurality of.

6. A fishing tool for oilfield workover operation as defined in claim 1, wherein: the top of the cylindrical barrel (1) is fixedly provided with a second sleeve (9), and the inner wall of the second sleeve (9) is provided with threads (10).

7. A fishing tool for oilfield workover operation as defined in claim 1, wherein: the surface of the clamping block (203) is connected with a slope (11) in a sliding mode, and the slope (11) is arranged on the surface of the second cylinder (6).