CN219472059U

CN219472059U - Pump pipe fisher

Info

Publication number: CN219472059U
Application number: CN202223152221.XU
Authority: CN
Inventors: 高文明; 李阔; 盖建宾; 王进卫; 陈晓芬; 纪东伟; 谷宵羽; 高立军; 刘胜杰
Original assignee: Beijing Institute Of Engineering Geology
Current assignee: Beijing Institute Of Engineering Geology
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-08-04
Anticipated expiration: 2032-11-23

Abstract

The utility model relates to a well drilling fishing device's field especially relates to a pump line fisher, and it is including being tubular fisher body, the fixed connecting portion that is used for connecting power device that is provided with of one end of fisher body, the inside of fisher body is provided with the joint subassembly that is used for the joint pump line, the joint subassembly is located when the pump line is inside and along with when the fisher body moves to the well head, the joint subassembly rotate to the outside of fisher body and compress tightly together with the lateral wall of the hole of pump line. The utility model has the advantages of reduce the cost of artifical salvage, reduce salvage person's personnel danger, reduce personnel and property's loss.

Description

Pump pipe fisher

Technical Field

The application relates to the field of drilling salvaging devices, in particular to a pump pipe salvaging device.

Background

In the development process of an oil field, underground salvaging is a necessary link, and the underground salvaging technology refers to a technology for recovering normal oil production of the oil well, wherein accidents such as shaft blockage and the like occur in the exploitation and production of the oil field, and the oil field exploitation is influenced.

At present, most underground salvaging is carried out by manually salvaging personnel into the underground, connecting ropes or salvaging tools with a pump pipe, and then salvaging the pump pipe by using a power device.

Aiming at the related technology, the inventor considers that the underground condition is difficult to predict, the salvage assisting cost is high by the salvage staff, the personal danger of the salvage staff is greatly increased, and the loss of personnel and property is easily caused.

Disclosure of Invention

In order to reduce the cost of manual salvage, reduce salvage personnel's personal danger, reduce personnel and property's loss, this application provides a pump line fisher.

The application provides a pump line fisher adopts following technical scheme:

the utility model provides a pump line fisher, is including being tubular fisher body, the fixed connecting portion that is used for connecting power device that is provided with of one end of fisher body, the inside of fisher body is provided with the joint subassembly that is used for the joint pump line, the joint subassembly is located when the pump line is inside and along with when the fisher body moves to the well head, the joint subassembly rotates to the outside of fisher body and compress tightly together with the lateral wall of the hole of pump line.

Through adopting above-mentioned technical scheme, through the connecting portion together with the fisher body fixed connection, can make power device more conveniently send into the fisher body to the inside of underground and pump line, thereby when improving the conveying efficiency of fisher body, also be convenient for dismantle fisher body and power device's installation box, utilize the joint subassembly to be convenient for link together pump line and fisher body simultaneously, thereby reduce artifical well, reduce the cost of artifical salvage, reduce the personal danger of fisher, reduce personnel and property loss.

Optionally, the joint subassembly includes two cardboard that set up relatively, the inside of latch jack body is provided with the pivot, two the cardboard passes through the pivot with the latch jack body rotates and links to each other, two the cardboard deviates from the diameter of the hole of the one end of pivot is greater than the pump line.

Through adopting above-mentioned technical scheme, through two cardboard that rotate with the pump line to be connected, can make two cardboard enter into the inside of pump line along with the fisher body automatically to can reduce artificial supplementary installation, simultaneously at the in-process of upwards pulling fisher body, the cardboard can rotate to the direction that keeps away from each other through self gravity, thereby with the inner wall butt of pump line together, with the cardboard with the pump line between through frictional force joint, thereby make the connection between pump line and the joint subassembly more convenient.

Optionally, the elastic component used for rotating the clamping plate to the outside of the fisher body is sleeved on the rotating shaft.

Through adopting above-mentioned technical scheme, utilize the elastic component can make the laminating between cardboard and the pump line inseparabler, reduce the too big condition of separation between messenger's cardboard and the pump line of friction between pivot and the cardboard.

Optionally, two the cardboard respectively through one the pivot with the latch jack body rotates and links to each other, the cardboard with the one end that the pivot links to each other is provided with the fluted disc, two on the cardboard the fluted disc intermeshing is in the same place.

Through adopting above-mentioned technical scheme, through the fluted disc that intermeshing is in the same place, can make two cardboard rotate in step to reduce a cardboard and pump line butt, the condition that has the clearance between another cardboard and the pump line, reduce the condition that can't contact between cardboard and the pump line.

Optionally, the cardboard deviates from the one end rotation of pivot is connected with the clamp plate that increases the area of contact of cardboard and pump line, the shape of clamp plate and pump line assorted.

Through adopting above-mentioned technical scheme, utilize the clamp plate can increase the area of contact between cardboard and the pump line to increase the frictional force between clamp plate and the pump line, also can reduce the direct contact between cardboard and the pump line simultaneously, reduce the mutual wearing and tearing between pump line and the cardboard, increase the life of cardboard.

Optionally, a plurality of drainage grooves are formed in the side wall, away from the clamping plate, of the pressing plate.

Through adopting above-mentioned technical scheme, when compressing tightly each other between clamp plate and the pump line, the muddy water between pump line and the clamp plate can be discharged through the water drainage tank to reduce because too much muddy water leads to the condition of skidding between clamp plate and the pump line, utilize many water drainage tanks simultaneously also can increase the friction between pump line and the clamp plate, increase the connection stability between pump line and the clamp plate.

Optionally, a plurality of water permeable holes are formed in the side wall of the fisher body.

Through adopting above-mentioned technical scheme, utilize the hole of permeating water can make the fisher body decline in-process, the water that enters into in the fisher body can extrude the inside air of fisher body through the hole of permeating water, also can make simultaneously the muddy water that enters into in the fisher body discharge, is convenient for clear up the fisher body.

Optionally, one end of the latch jack body facing away from the connecting portion is pointed.

Through adopting above-mentioned technical scheme, be the in-process that the tip latch jack body is removing, can more conveniently enter into the inside of pump line, under the condition that the pump line slope is in the well simultaneously, be the tip latch jack body can correct the pump line gradually to be convenient for salvage the pump line.

In summary, the present application includes at least one of the following beneficial technical effects:

the power device can more conveniently send the fisher body into the underground and the inside of the pump pipe through the connecting part fixedly connected with the fisher body, so that the transportation efficiency of the fisher body is improved, the fisher body and the power device are conveniently detached by the mounting box, and meanwhile, the pump pipe and the fisher body are conveniently connected together by the clamping assembly, so that the manual well descending cost is reduced, the personal danger of a fisher is reduced, and the loss of personnel and property is reduced;

through two cardboard that are connected with the pump line rotation, can make two cardboard enter into the inside of pump line along with the fisher body automatically to can reduce artificial supplementary installation, simultaneously in the in-process of upwards pulling fisher body, the cardboard can rotate to the direction that keeps away from each other through self gravity, thereby with the inner wall butt of pump line together, with the frictional force joint between cardboard and the pump line, thereby make the connection between pump line and the joint subassembly more convenient;

through the fluted disc that intermeshing is in the same place, can make two cardboards rotate in step to reduce one cardboard and pump line butt, the condition that has the clearance between another cardboard and the pump line, reduce the condition that can't contact between cardboard and the pump line.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pump pipe latch jack according to the present application.

FIG. 2 is a partial cross-sectional view of the body of the latch according to one embodiment of the present application.

FIG. 3 is a partial cross-sectional view of the body of the latch tool in accordance with the second embodiment of the present application.

Fig. 4 is a schematic diagram of a structure of a middle-pressure plate according to a second embodiment of the present application.

Reference numerals illustrate: 1. a latch jack body; 11. a connection part; 12. a water permeable hole; 13. a relief hole; 2. a clamping assembly; 21. a clamping plate; 22. a rotating shaft; 23. an elastic member; 24. fluted disc; 25. a pressing plate; 251. and a drainage channel.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

Embodiment one:

the embodiment of the application discloses a pump pipe fisher.

Referring to fig. 1, the pump pipe latch jack includes a latch jack body 1 in a long bar shape, and the inside of the latch jack body 1 is hollow. When the fisher body 1 is connected with a power device, the fisher body 1 is vertically arranged. The connecting part 11 for connecting the power device is fixedly welded on the end face of the top end of the fisher body 1, and external threads are formed on the side wall of the connecting part 11, so that the fisher body 1 is in threaded connection with the power device through the connecting part 11. The bottom of the fisher body 1 is tapered, so that the fisher body 1 can more conveniently enter the inner hole of the pump pipe. The end of the fisher body 1 near one end of the connecting part 11 is provided with a plurality of water permeable holes 12, so that water entering the fisher body 1 can flow out from the water permeable holes 12. The inside rotation of the fisher body 1 is connected with the joint subassembly 2 that is used for being in the same place joint between fisher body 1 and the pump line, and when fisher body 1 got into in the hole of pump line, joint subassembly 2 was in the same place with the lateral wall of the hole of pump line compresses tightly to make fisher body 1 can drive the pump line through joint subassembly 2 and remove to the well head of well drilling.

Referring to fig. 2, the clamping assembly 2 includes two opposite clamping plates 21, a rotating shaft 22 is fixedly connected to the inside of the latch body 1, and the axial direction of the rotating shaft 22 is arranged along the radial direction of the latch body 1. One end of each clamping plate 21 is positioned in the fisher body 1 and is rotationally connected with the fisher body 1 through a rotating shaft 22. The side wall of the fisher body 1 is provided with a yielding hole 13 for the clamping plate 21 to rotate to the outside of the fisher body 1, and one end of the clamping plate 21, deviating from the rotating shaft 22, can rotate to the outside of the fisher body 1 through the yielding hole 13 and is in butt joint with the inner wall of the pump pipe. The maximum distance of the ends of the two clamping plates 21, which are away from the rotating shaft 22, is larger than the diameter of the inner hole of the pump pipe, so that the ends of the two clamping plates 21 can be abutted with the side wall of the inner hole of the pump pipe.

Referring to fig. 2, an elastic member 23 for rotating the two clamping plates 21 in a direction away from each other is sleeved on the rotating shaft 22, and the elastic member 23 adopts a torsion spring. Two ends of the elastic piece 23 are respectively and fixedly connected with one clamping plate 21, when the two clamping plates 21 are positioned outside the pump pipe, the two clamping plates 21 rotate to the outside of the fisher body 1 through the elastic piece 23, and the elastic piece 23 is in a free state; when the latch jack body 1 moves along the axis direction of the pump pipe, when the side wall of the clamping plate 21 is abutted with the end face of the pump pipe, the end face of the pump pipe pushes the two clamping plates 21 to rotate towards the direction close to each other until the distance between the ends of the two clamping plates 21, which deviate from each other, is the same as the diameter of the inner hole of the pump pipe, the two clamping plates 21 completely enter the inside of the pump pipe, the ends of the two clamping plates 21, which deviate from each other, are abutted with the side wall of the inner hole of the pump pipe through the elasticity of the elastic piece 23, and the elastic piece 23 is in an energy storage state.

The implementation principle of the pump pipe fisher provided by the embodiment of the application is as follows: in the process of salvaging the pump pipe, the salvaging device body 1 is connected with the power device by the connecting part 11, then the salvaging device body 1 is fed into the well through the power device, when the clamping plates 21 are abutted against the end face of the pump pipe, the end face of the pump pipe pushes the clamping plates 21 to rotate towards directions close to each other until the two clamping plates 21 enter the inside of the pump pipe, the two clamping plates 21 are abutted against the side wall of the inner hole of the pump pipe through the elastic force of the elastic piece 23, and then the salvaging device body 1 is pulled through the power device, so that the pump pipe is pulled to move towards the well mouth of the well through the friction force between the clamping plates 21 and the pump pipe.

Embodiment two:

the embodiment of the application discloses a pump pipe fisher.

The second embodiment differs from the first embodiment in that: referring to fig. 3, the number of the rotating shafts 22 and the elastic members 23 is the same as the number of the clamping plates 21 and is opposite to each other one by one, each clamping plate 21 is rotatably connected with the latch body 1 through one rotating shaft 22, and two rotating shafts 22 are arranged in the latch body 1 side by side. One end of the elastic piece 23 is fixedly connected with the rotating shaft 22, and the other end of the elastic piece 23 is fixedly connected with the clamping plate 21.

Referring to fig. 3, a fluted disc 24 is fixedly connected to one end of the two clamping plates 21 located in the fisher body 1, the fluted disc 24 and the rotating shaft 22 are coaxially arranged, and the fluted discs 24 on the two clamping plates 21 are meshed with each other. When one of the clamping plates 21 rotates by the elastic force of the elastic member 23, the two clamping plates 21 synchronously rotate by the fluted disc 24.

Referring to fig. 3, a pressing plate 25 matched with an inner hole of the pump pipe is rotatably connected to one end of the clamping plate 21, which is away from the rotating shaft 22, and the pressing plate 25 is integrally arc-shaped. When the clamping plate 21 rotates in a direction away from the fisher body 1, the side wall of the clamping plate 21, which is away from the clamping plate 25, is attached to the side wall of the inner hole of the pump pipe, so that the contact area between the clamping plate 21 and the inner wall of the pump pipe is increased, and the friction force between the clamping plate 21 and the pump pipe is improved.

Referring to fig. 3 and 4, the side wall of the pressing plate 25 facing away from the clamping plate 21 is further provided with a plurality of drainage grooves 251, and the drainage grooves 251 are transversely and longitudinally distributed on the side wall of the pressing plate 25 in a staggered manner, so that the pressing plate is netlike. When the pressing plate 25 is fitted to the inside of the side wall of the pump pipe, water between the pressing plate 25 and the pump pipe can be discharged between the pump pipe and the pressing plate 25 through the drain groove 251, thereby reducing slippage between the pressing plate 25 and the pump pipe due to sewage.

The implementation principle of the pump pipe fisher provided by the embodiment of the application is as follows: in the process of rotation of the clamping plates 21, the two clamping plates 21 can synchronously rotate through the toothed disc 24 meshed with each other, and meanwhile, when the clamping plates 21 rotate until the pressing plates 25 are pressed together with the side walls of the inner holes of the pump pipes, part of muddy water between the pressing plates 25 and the pump pipes can be discharged through the water discharge grooves 251 on the pressing plates 25, so that the friction force between the pressing plates 25 and the pump pipes is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a pump line fisher which characterized in that: the novel well head power device comprises a tubular fisher body (1), wherein a connecting part (11) for connecting a power device is fixedly arranged at one end of the fisher body (1), a clamping assembly (2) for clamping a pump pipe is arranged in the fisher body (1), and the clamping assembly (2) rotates to the outside of the fisher body (1) and is tightly pressed with the side wall of an inner hole of the pump pipe when the clamping assembly (2) is positioned in the pump pipe and moves towards a well head along with the fisher body (1); a plurality of water permeable holes (12) are formed in the side wall of the fisher body (1).

2. A pump pipe latch according to claim 1, wherein: the clamping assembly (2) comprises two clamping plates (21) which are oppositely arranged, a rotating shaft (22) is arranged in the fisher body (1), the two clamping plates (21) are rotationally connected with the fisher body (1) through the rotating shaft (22), and the two clamping plates (21) deviate from the diameter of the inner hole of the pump pipe at the maximum distance of one end of the rotating shaft (22).

3. A pump pipe latch according to claim 2, wherein: an elastic piece (23) used for rotating the clamping plate (21) to the outside of the fisher body (1) is sleeved on the rotating shaft (22).

4. A pump pipe latch according to claim 2, wherein: two cardboard (21) respectively through one pivot (22) with latch jack body (1) rotates and links to each other, cardboard (21) with the one end that pivot (22) links to each other is provided with fluted disc (24), two on cardboard (21) fluted disc (24) intermeshing is in the same place.

5. The pump pipe latch according to claim 4, wherein: one end of the clamping plate (21) deviating from the rotating shaft (22) is rotationally connected with a pressing plate (25) for increasing the contact area between the clamping plate (21) and the pump pipe, and the shape of the pressing plate (25) is matched with the pump pipe.

6. The pump pipe latch of claim 5, wherein: the side wall of the pressing plate (25) deviating from the clamping plate (21) is provided with a plurality of drainage grooves (251).

7. A pump pipe latch according to claim 1, wherein: one end of the fisher body (1) deviating from the connecting part (11) is a tip.