CN217300522U

CN217300522U - Fishing device of underground throttle for oil exploitation

Info

Publication number: CN217300522U
Application number: CN202220810556.7U
Authority: CN
Inventors: 安云恺; 凌洋
Original assignee: Langfang Paibolike Science And Trade Co ltd
Current assignee: Langfang Paibolike Science And Trade Co ltd
Priority date: 2022-04-09
Filing date: 2022-04-09
Publication date: 2022-08-26
Anticipated expiration: 2032-04-09

Abstract

The utility model relates to a technical field is salvaged in the pit, has provided a fishing device of choke holder in pit for oil development, including the shell, first cavity, second cavity and hydraulic oil pipe way have been seted up to shell inside, and the inside sliding connection of first cavity has first hydraulic component, and the inside sliding connection of second cavity has second hydraulic component, and first cavity and second cavity pass through hydraulic oil pipe way and connect, and the fourth cavity has been seted up to the shell lower extreme, and fourth cavity sliding connection has fixed subassembly. Through above-mentioned technical scheme, solved the current problem that the success rate of most salvage chokers is low among the prior art.

Description

Fishing device of underground throttle for oil exploitation

Technical Field

The utility model relates to a salvage technical field in the pit, it is specific, relate to a fishing device of throttle in pit for oil development.

Background

At present, the choke is a key device for realizing the underground choke technology, and due to the reasons of underground scaling, corrosion and the like, the problems of high difficulty and low success rate of part of the underground choke by steel wires for fishing the underground choke are solved, if the underground choke is not fished timely, the yield of an oil well is low or the production is stopped, and finally a tubing string is to be kill or pressured, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fishing device of choke ware in pit for oil development has solved the problem that current most salvage the choke ware success rate is low among the correlation technique.

The technical scheme of the utility model as follows:

the utility model provides a fishing device of throttle ware in pit for oil development, includes the shell, first cavity, second cavity and hydraulic oil pipeline have been seted up to shell inside, the inside sliding connection of first cavity has first hydraulic component, the inside sliding connection of second cavity has second hydraulic component, first cavity and second cavity pass through hydraulic oil pipeline and connect, the fourth cavity has been seted up to the shell lower extreme, fourth cavity sliding connection has fixed subassembly.

As a further aspect of the present invention: the first hydraulic component comprises a first piston and a connecting rod, the first piston is connected in the first cavity in a sliding mode, the upper end of the first piston is fixedly connected with the connecting rod, and the connecting rod is connected with the shell in a sliding mode; during operation, the connecting rod moves upwards to drive the first piston to move upwards, so that the effect of pressing hydraulic oil in the first cavity out is achieved.

As a further aspect of the present invention: the second hydraulic component comprises a second piston and a push rod, the second piston is connected in the second cavity in a sliding mode, the push rod is fixedly connected to the lower end of the second piston, and the push rod is connected with the shell in a sliding mode; during operation, the hydraulic oil is injected into the second cavity to push the second piston to move downwards, and the second piston moves downwards to drive the ejector rod to move downwards, so that the effect that the ejector rod is pushed to the throttle is achieved.

As a further aspect of the present invention: the fixing assembly comprises a clamping block, a spring, a sliding block and a first nut, the clamping block is connected in the fourth cavity in a sliding mode, and the clamping blocks are evenly distributed in the fourth cavity at equal intervals; during operation, the fixture block is clamped with the top end connector of the throttler, so that the purpose of fixing the throttler is achieved.

As a further aspect of the present invention: a third cavity is formed in the fixture block, a sliding block is connected in the third cavity in a sliding mode, one end, far away from the outer surface of the shell, of the sliding block is fixedly connected with a spring, one end, far away from the outer surface of the shell, of the spring is fixedly connected with the third cavity, one end, close to the outer surface of the shell, of the sliding block is rotatably connected with a first nut, a threaded hole is formed in the shell, and the first nut is in threaded connection with the threaded hole; during operation, the first nuts are driven to move outwards by rotating the first nuts respectively, the first nuts move outwards to drive the sliding blocks to move outwards, and the sliding blocks move outwards to drive the clamping blocks to move outwards, so that the clamping blocks are separated from the throttler.

As a further aspect of the present invention: the upper end of the connecting rod is fixedly connected with a tension sensor, and the upper end of the tension sensor is fixedly connected with an upper connector; when the device works, the upper joint is pulled to drive the tension sensor, so that the aim of heaviness of the shell and all elements in the shell is fulfilled.

As a further aspect of the present invention: the hydraulic oil pipeline is internally and fixedly connected with a one-way electromagnetic valve, and the one-way electromagnetic valve is positioned on the lower side of the hydraulic oil pipeline; when the hydraulic oil pump works, hydraulic oil flows into the second cavity in a single direction through the one-way electromagnetic valve.

As a further aspect of the present invention: a through hole is formed in the shell and connected with a second nut through threads; when the hydraulic oil filling device works, the second nut is separated from the shell by rotating the second nut, then hydraulic oil is injected into the first cavity, and then the second nut is in threaded connection with the inside of the shell, so that the effect that the first cavity is filled with hydraulic oil is achieved.

The utility model discloses a theory of operation and beneficial effect do:

the utility model has the advantages that the throttle is clamped with the fixture block through the matching of the fixture block, the spring, the slide block and the first nut, so as to achieve the fixing effect, and then the first nut is respectively rotated, so that the fixture block is separated from the throttle, and the throttle is conveniently separated from the fixture block; through injecting hydraulic oil into first cavity, under the cooperation of connecting rod, first piston, second piston, ejector pin and one way solenoid valve, the pulling connecting rod will drive the ejector pin and move down for the ejector pin withstands the flow controller, thereby makes the flow controller break away from the block with playing oil pipe, just salvages the flow controller easily, has solved the problem that present most salvage the flow controller success rate is low, has reached and has reduced salvage expense and reduce salvage safety risk.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the main sectional structure of the present invention;

FIG. 3 is a schematic diagram of a portion A of the method of FIG. 2 according to the present invention;

fig. 4 is a schematic view of the top-view cross-sectional structure of the present invention.

In the figure: 1. a housing; 2. a connecting rod; 3. a tension sensor; 4. an upper joint; 5. a first piston; 6. a first cavity; 7. a hydraulic oil conduit; 8. a one-way solenoid valve; 9. a second cavity; 10. a second piston; 11. a top rod; 12. a clamping block; 13. a third cavity; 14. a spring; 15. a slider; 16. a first nut; 17. a second nut; 18. a fourth cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

Example 1

As shown in fig. 1 to 4, the embodiment provides a fishing device for an underground throttle for oil exploitation, which includes a housing 1, a first cavity 6, a second cavity 9 and a hydraulic oil pipeline 7 are formed inside the housing 1, a first hydraulic component is slidably connected inside the first cavity 6, a second hydraulic component is slidably connected inside the second cavity 9, the first cavity 6 and the second cavity 9 are connected through the hydraulic oil pipeline 7, a fourth cavity 18 is formed at the lower end of the housing 1, and the fourth cavity 18 is slidably connected with a fixing component.

In this embodiment, will carry out the block through fixed subassembly with the choke ware and fix, under the cooperation of the first hydraulic assembly of rethread and second hydraulic assembly for the choke ware breaks away from oil pipe, thereby reaches the effect of salvaging the choke ware fast.

Example 2

As shown in fig. 2, based on the same concept as that of embodiment 1, the present embodiment further proposes that the first hydraulic assembly includes a first piston 5 and a connecting rod 2, the first piston 5 is slidably connected inside the first cavity 6, the connecting rod 2 is fixedly connected to the upper end of the first piston 5, and the connecting rod 2 is slidably connected to the housing 1.

In this embodiment, the connecting rod 2 moves upwards to drive the first piston 5 to move upwards, so as to achieve the effect of discharging the hydraulic oil pressure in the first cavity 6.

Example 3

As shown in fig. 2, based on the same concept as that of embodiment 1, the present embodiment further proposes that the second hydraulic assembly includes a second piston 10 and a ram 11, the second piston 10 is slidably connected inside the second cavity 9, the ram 11 is fixedly connected to the lower end of the second piston 10, and the ram 11 is slidably connected to the housing 1.

In this embodiment, hydraulic oil is injected into the second cavity 9, so as to push the second piston 10 to move downward, and the second piston 10 moves downward to drive the ejector rod 11 to move downward, thereby achieving the effect that the ejector rod 11 pushes against the restrictor.

Example 4

As shown in fig. 2 to 4, based on the same concept as that of embodiment 1, the present embodiment further proposes that the fixing assembly includes a latch 12, a spring 14, a slider 15 and a first nut 16, the latch 12 is slidably connected inside the fourth cavity 18, and the latches 12 are equidistantly and uniformly distributed inside the fourth cavity 18.

In this embodiment, the fixture block 12 is engaged with the top end connector of the throttle, so as to fix the throttle.

Example 5

As shown in fig. 2 to 4, based on the same concept as that of embodiment 1, in this embodiment, a third cavity 13 is further disposed inside the fixture block 12, a slider 15 is slidably connected inside the third cavity 13, one end of the slider 15, which is away from the outer surface of the housing 1, is fixedly connected with a spring 14, one end of the spring 14, which is away from the outer surface of the housing 1, is fixedly connected with the third cavity 13, one end of the slider 15, which is close to the outer surface of the housing 1, is rotatably connected with a first nut 16, a threaded hole is disposed inside the housing 1, and the first nut 16 is in threaded connection with the threaded hole.

In this embodiment, the first nut 16 is driven to move outwards by rotating the first nut 16 respectively, the first nut 16 moves outwards to drive the slider 15 to move outwards, and the slider 15 moves outwards to drive the fixture block 12 to move outwards, so that the fixture block 12 is disengaged from the throttle.

Example 6

As shown in fig. 1 to 2, based on the same concept as that of embodiment 1, the present embodiment further proposes that a tension sensor 3 is fixedly connected to an upper end of the connecting rod 2, and an upper joint 4 is fixedly connected to an upper end of the tension sensor 3.

In this embodiment, the upper joint 4 is pulled to drive the tension sensor 3, so as to achieve the purpose of weighting the shell and all the elements inside the shell.

Example 7

As shown in fig. 2, based on the same concept as that of the above embodiment 1, the present embodiment further proposes that a one-way solenoid valve 8 is fixedly connected inside the hydraulic oil pipeline 7, and the one-way solenoid valve 8 is located at the lower side of the hydraulic oil pipeline 7.

In this embodiment, the hydraulic oil flows into the second cavity 9 in one direction through the one-way solenoid valve 8.

Example 8

As shown in fig. 2 to 3, based on the same concept as that of embodiment 1, the present embodiment further proposes that a through hole is formed inside the housing 1, and the through hole is connected with a second nut 17 through a thread.

In this embodiment, the second nut 17 is separated from the housing by rotating the second nut 17, hydraulic oil is then injected into the first cavity 6, and then the second nut 17 is screwed into the housing, so that the first cavity 6 is filled with hydraulic oil.

The utility model discloses a theory of operation is: when the utility model is used, the second nut 17 is separated from the shell by rotating the second nut 17, then hydraulic oil is injected into the first cavity 6, then the second nut 17 is connected inside the shell in a threaded manner, then the upper joint 4 is fixed with the steel wire, then the shell is placed into an oil pipe, the shell is rapidly allowed to fall down, when the shell is contacted with the top end joint of the throttler, the steel wire is pulled upwards, the upper joint 4 generates upward pulling force, the upper joint 4 pulls the tension sensor 3 in the upward pulling force, a controller (not shown in the figure) in the tension sensor 3 is in communication connection with an external display, when the value generated by the tension sensor 3 is larger than the components inside the shell and the shell, at the moment, the fixture block 12 is clamped with the throttler, when the fixture block 12 is contacted with the top end joint, the fixture block 12 slides towards the outer wall, so that the top end joint enters the fourth cavity 18, at the moment, the fixture block 12 is under the action of the spring 14, restoring the fixture block 12 to the original position, and clamping the top end connector of the throttler with the fixture block 12; when the top end connector of the throttleer is clamped with the clamping block 12, the unidirectional electromagnetic valve 8 is opened through an external display, then the steel wire is pulled rapidly upwards to drive the upper connector 4 to move upwards, the upper connector 4 moves upwards to drive the tension sensor 3 to move upwards, the tension sensor 3 moves upwards to drive the connecting rod 2 to move upwards, the connecting rod 2 moves upwards to drive the first piston 5 to move upwards, so that hydraulic oil in the first cavity 6 is driven to flow into the second cavity 9, hydraulic oil cannot flow into the first cavity 6 again under the action of the unidirectional electromagnetic valve 8 in the hydraulic oil pipeline 7, when hydraulic oil flows into the second cavity 9 to drive the second piston 10 to move downwards, the second piston 10 moves downwards to drive the ejector rod 11 to move downwards, the ejector rod 11 is in contact with the top end, so that the throttleer is separated from the oil pipe, when the throttler is separated from the oil pipe and fixed, the throttler is fished up by pulling the steel wire upwards, the fished throttler drives the first nut 16 to move outwards by rotating the first nut 16 respectively, the first nut 16 moves outwards to drive the sliding block 15 to move outwards, the sliding block 15 moves outwards to drive the clamping block 12 to move outwards, and therefore the clamping block 12 is separated from the throttler to be clamped, so that the throttler can be taken down independently.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fishing device of throttle ware in pit for oil development, includes shell (1), its characterized in that, first cavity (6), second cavity (9) and hydraulic oil pipeline (7) have been seted up to shell (1) inside, first cavity (6) inside sliding connection has first hydraulic assembly, second cavity (9) inside sliding connection has the second hydraulic assembly, first cavity (6) and second cavity (9) are connected through hydraulic oil pipeline (7), fourth cavity (18) have been seted up to shell (1) lower extreme, fourth cavity (18) sliding connection has fixed subassembly.

2. The fishing device of the underground throttle for oil exploitation according to claim 1, wherein the first hydraulic assembly comprises a first piston (5) and a connecting rod (2), the first piston (5) is slidably connected inside the first cavity (6), the connecting rod (2) is fixedly connected to the upper end of the first piston (5), and the connecting rod (2) is slidably connected with the housing (1).

3. The fishing device of the underground throttle for oil exploitation according to claim 1, wherein the second hydraulic assembly comprises a second piston (10) and a push rod (11), the second piston (10) is connected in the second cavity (9) in a sliding manner, the push rod (11) is fixedly connected to the lower end of the second piston (10), and the push rod (11) is connected with the housing (1) in a sliding manner.

4. The fishing device of the underground throttle for the oil exploitation according to claim 1, wherein the fixing assembly comprises a clamping block (12), a spring (14), a sliding block (15) and a first nut (16), the clamping block (12) is slidably connected inside the fourth cavity (18), and the clamping blocks (12) are uniformly distributed inside the fourth cavity (18) at equal intervals.

5. The fishing device of the underground throttle for oil exploitation according to claim 4, wherein a third cavity (13) is formed in the fixture block (12), a sliding block (15) is slidably connected in the third cavity (13), one end, away from the outer surface of the casing (1), of the sliding block (15) is fixedly connected with a spring (14), one end, away from the outer surface of the casing (1), of the spring (14) is fixedly connected with the third cavity (13), one end, close to the outer surface of the casing (1), of the sliding block (15) is rotatably connected with a first nut (16), a threaded hole is formed in the casing (1), and the first nut (16) is in threaded connection with the threaded hole.

6. The fishing device of the underground throttle for oil exploitation according to claim 2, characterized in that a tension sensor (3) is fixedly connected to the upper end of the connecting rod (2), and an upper joint (4) is fixedly connected to the upper end of the tension sensor (3).

7. The fishing device of the underground throttle for oil exploitation according to claim 1, characterized in that a one-way solenoid valve (8) is fixedly connected inside the hydraulic oil pipeline (7), and the one-way solenoid valve (8) is located on the lower side of the hydraulic oil pipeline (7).

8. The fishing device of the underground throttle for oil exploitation according to claim 1, characterized in that a through hole is opened in the housing (1), and the through hole is connected with a second nut (17) through a thread.