Blanking plug in oil pipe

Abstract

The utility model discloses a blanking plug in an oil pipe, and relates to the technical field of oil exploitation. The device comprises a center rod, connecting assemblies used for component connection are arranged on the surface and inside the center rod, sealing assemblies used for pipeline blocking are arranged on the surface and inside the center rod, the surface of the center rod is in threaded connection with a rod head, and electrifying assemblies are arranged on the surface of the center rod and the inner wall of the rod head. And a driving assembly is arranged in the rod head and on the surface of the rod head, a rotating disc is fixedly connected to the surface of the driving assembly, a tooth block is arranged on the bottom face of the rotating disc, and a drill bit is fixedly connected to the bottom face of the rotating disc. When the blanking plug moves in a pipeline, passing scales can be crushed, the problem that the blanking plug is extremely prone to being blocked in the descending process is solved, meanwhile, the scales are crushed, and when the blanking plug moves, the problem that a sealing structure is abraded by the scales is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil exploitation technical field, concretely relates to a tubing internal plug. BACKGROUND

[0002] In the field of oil exploitation and transportation, the tubing is a key channel for oil transmission, and its normal operation is crucial. In the long-term oil exploitation process, scaling inevitably occurs inside the tubing. These scales are mainly formed by the gradual deposition of impurities, minerals and microorganisms in crude oil on the inner wall of the pipeline.

[0003] When the tubing internal plug is lowered, the scaling in the pipeline will have a series of serious effects. On the one hand, scaling causes the tubing inner diameter to become smaller, and the plug originally designed to fit the normal tubing diameter is easily hindered during the downward process, making it difficult to reach the predetermined position smoothly, which seriously affects the operation progress. On the other hand, the scaling surface is often rough and uneven, and the sealing components and structural components of the plug are prone to scratching and colliding with the scales when passing through the scaling area, causing wear and even damage, thereby reducing the sealing performance and service life of the plug.

[0004] Therefore, a tubing internal plug is proposed. SUMMARY

[0005] The utility model discloses a tubing internal plug to solve the problems raised in the background art.

[0006] The utility model discloses a tubing internal plug to solve the problems raised in the background art.

[0007] A tubing internal plug, comprising a center rod, the surface and the inside of the center rod are provided with a connecting assembly for connecting components, the inside and the surface of the center rod are provided with a sealing assembly for pipeline plugging, the surface of the center rod is screw-connected with a rod head, the surface and the inner wall of the rod head are provided with a power supply assembly, the inside and the surface of the rod head are provided with a driving assembly, the surface of the driving assembly is fixedly connected with a turntable, the bottom surface of the turntable is provided with a tooth block, and the bottom surface of the turntable is fixedly connected with a drill bit.

[0008] Further, the connecting assembly comprises a fixed sleeve, the surface of the center rod is sleeved with a fixed sleeve, the top surface of the center rod is provided with an opening, and the inner wall of the center rod is fixedly inserted with a connecting sleeve.

[0009] Further, the closing assembly comprises a collar, the surface of the central rod is fixedly sleeved with the collar, the surface of the collar is provided with an air bag, the surface of the connecting sleeve is fixedly connected with a micro air pump, the inflation end of the micro air pump is fixedly connected with a connecting pipe, the surface of the central rod is provided with an inflation valve, and the end of the connecting pipe away from the micro air pump is fixedly connected with the inflation valve.

[0010] Further, the power supply assembly comprises a busbar, the bottom surface of the central rod is provided with the busbar, and the inner wall of the rod head is provided with a wiring terminal.

[0011] Further, the driving assembly comprises a mounting block, the inner wall of the rod head is fixedly connected with the mounting block, the bottom surface of the mounting block is fixedly connected with a micro motor, the output end of the micro motor is fixedly connected with a rotating rod, the rotating rod is rotationally connected with the rod head, the bottom end of the rotating rod is fixedly connected with a connector, and the rotating disc is fixedly connected with the connector.

[0012] Further, the plurality of tooth blocks are made of tungsten steel.

[0013] The plugger has the advantages that:

[0014] The rod head is threadedly connected to the surface of the central rod, when the structure moves in the oil pipeline, the driving assembly can operate, the driving assembly drives the rotating disc to rotate, the rotating disc drives the tooth block and the drill bit to rotate, the tooth block and the drill bit can crush the scale when touching the scale in the pipeline, and the closing assembly seals and blocks the inner wall of the pipeline after the plugger moves to the appropriate position in the pipeline; the plugger can crush the scale when moving in the pipeline, the problem that the plugger is easily hindered in the downward process is avoided, and the scale is crushed, so that the problem that the scale can cause wear of the sealing structure is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 is a local structure expansion schematic view of the utility model;

[0017] Figure 3 is a local sectional view schematic view of the utility model;

[0018] Figure 4 is an enlarged schematic view of structure A of the utility model;

[0019] Figure 5 is an enlarged schematic view of structure B of the utility model.

[0020] Fig. 1 is a center rod; 2 is a connecting assembly; 201 is a fixing sleeve; 202 is an opening; 203 is a connecting sleeve; 3 is a closing assembly; 301 is a sleeve ring; 302 is an air bag; 303 is a micro air pump; 304 is a connecting pipe; 305 is an inflation valve; 4 is a rod head; 5 is a power supply assembly; 501 is a busbar; 502 is a terminal; 6 is a driving assembly; 601 is a mounting block; 602 is a micro motor; 603 is a rotating rod; 604 is a joint; 7 is a rotating disc; 8 is a tooth block; 9 is a drill bit. DETAILED DESCRIPTION

[0021] To make the objects, technical solutions, and advantages of the embodiments of the present application clearer, the following will be a clear and complete description of the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0023] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the embodiments of the present application, it should be noted that the directions or position relationships indicated by the terms "inner", "outer", "upper", etc. are based on the directions or position relationships shown in the drawings, or the directions or position relationships of the present application product when it is usually placed, which are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular direction, be constructed and operated in a particular direction, therefore, cannot be understood as a limitation on the present application.

[0025] As Figures 1-5As shown, a tubing plug includes a center rod 1, the surface of the center rod 1 is provided with a connecting assembly 2 for connecting components, the inside of the center rod 1 is provided with a sealing assembly 3 for pipe plugging, the surface of the center rod 1 is threadedly connected with a rod head 4, the surface of the center rod 1 and the inner wall of the rod head 4 are provided with a power supply assembly 5, the inside and surface of the rod head 4 are provided with a driving assembly 6, the surface of the driving assembly 6 is fixedly connected with a turntable 7, the bottom surface of the turntable 7 is provided with a gear block 8, and the bottom surface of the turntable 7 is fixedly connected with a drill bit 9; Specifically, the tubing plug, the connecting assembly 2 is provided for connecting each component, the rod head 4 is threadedly connected to the surface of the center rod 1, after the rod head 4 is installed on the center rod 1, the power supply assembly 5 is provided, which can be used for the connection of the wire, and power support is provided for the driving assembly 6 in the rod head 4, so that the driving assembly 6 can operate, when the structure moves in the oil pipeline, the driving assembly 6 can operate, the driving assembly 6 drives the rotation of the turntable 7, the turntable 7 drives the rotation of the gear block 8 and the drill bit 9, when the gear block 8 and the drill bit 9 touch the scale in the pipeline, the rotating gear block 8 and the drill bit 9 can crush the scale, at this time the scale will not block the movement of the plug in the pipeline, after the plug moves to the appropriate position in the pipeline, the sealing assembly 3 operates, and the sealing assembly 3 seals the inner wall of the pipeline, the plug can crush the scale passing through when moving in the pipeline, avoiding the problem that the plug is easily hindered during downward movement, and the scale is crushed, avoiding the problem that the scale will cause wear to the sealing structure when the plug moves.

[0026] As shown in Figure 1 , Figure 2 , Figure 3 , the connecting assembly 2 includes a fixed sleeve 201, the surface of the center rod 1 is fixedly sleeved with the fixed sleeve 201, the top surface of the center rod 1 is provided with an opening 202, and the inner wall of the center rod 1 is fixedly inserted with a connecting sleeve 203; Specifically, the connecting assembly 2 is provided for connecting each component, the fixed sleeve 201 is sleeved on the surface of the center rod 1, the fixed sleeve 201 can connect the propulsion structure of the plug, so that the plug can move into the pipeline, the opening 202 is provided for the insertion of the wire harness, and the installation of the power storage structure and the control element in the propulsion structure and the center rod 1 can be provided, to provide support for the operation of the plug, and the connecting sleeve 203 is provided, so that the components of the sealing assembly 3 can be installed and connected in the center rod 1 for use.

[0027] As shown in Figure 2 , Figure 3As shown, the closing assembly 3 includes a collar 301, the surface of the center rod 1 is fixed with the collar 301, the surface of the collar 301 is provided with an air bag 302, the surface of the connecting sleeve 203 is fixedly connected with a micro air pump 303, the inflation end of the micro air pump 303 is fixedly connected with a connecting pipe 304, the surface of the center rod 1 is provided with an inflation valve 305, and the end of the connecting pipe 304 away from the micro air pump 303 is fixedly connected with the inflation valve 305; Specifically, the closing assembly 3 is provided, the closing assembly 3 is a sealed structure, when the plug reaches the appropriate position in the pipeline, the micro air pump 303 operates, the inflation end of the micro air pump 303 is connected through the connecting pipe 304, the valve of the inflation valve 305 is opened, and the gas can be filled into the air bag 302, so that the air bag 302 is inflated. At this time, the air bag 302 becomes larger, the air bag 302 is tightly attached to the inner wall of the pipeline, and the pipeline is sealed and plugged.

[0028] As shown in the figure, Figure 4 The power supply assembly 5 includes a busbar 501, the bottom surface of the center rod 1 is provided with the busbar 501, and the inner wall of the rod head 4 is provided with a wiring terminal 502; Specifically, the power supply assembly 5 is provided, so that the center rod 1 and the rod head 4 can be electrically connected, and power support is provided for the operation of the driving assembly 6. The busbar 501 is a conductive row used for connecting multiple wires, usually made of copper or aluminum and other metals with good conductivity, the wiring terminal 502 is an electrical element used for wire connection, usually having screw, spring clip and other structures, which can firmly fix the wire on the terminal and realize reliable electrical connection. The busbar 501 and the wiring terminal 502 are connected by pressure connection, the busbar 501 and the wiring terminal 502 are connected with wires at both ends, the busbar 501 is connected with the power storage structure and the controller in the center rod 1 through the wire harness, and the wiring terminal 502 is connected with the driving assembly 6.

[0029] As shown in the figure, Figure 3 , Figure 5As shown, the driving assembly 6 comprises a mounting block 601, the inner wall of the rod head 4 is fixedly connected with the mounting block 601, the bottom surface of the mounting block 601 is fixedly connected with a micro motor 602, the output end of the micro motor 602 is fixedly connected with a rotating rod 603, and the rotating rod 603 is rotatably connected with the rod head 4, the bottom end of the rotating rod 603 is fixedly connected with a connector 604, and the rotating disc 7 is fixedly connected with the connector 604; Specifically, the driving assembly 6 is provided, when the plug moves in the pipeline, the driving assembly 6 can drive the rotating disc 7 to rotate, the mounting block 601 is mounted and connected with the micro motor 602, the output end of the micro motor 602 drives the rotating rod 603 to rotate, the rotating rod 603 drives the rotating disc 7 to rotate, the rotating disc 7 drives the gear block 8 and the drill bit 9 to rotate, the rotary motion of the drill bit 9 can provide strong cutting force, and the gear block 8 can enhance the grabbing and crushing capacity of the scale, and the two cooperate to quickly and effectively crush the scale in the pipeline into small pieces, improve the scale removal efficiency, compared with some other relatively rough scale removal methods, such as using a high-pressure water gun to directly impact or a mechanical scraper to forcibly scrape, the drill bit 9 and the gear block 8 are used in cooperation to more accurately act on the scale, and the damage to the inner wall of the pipeline is smaller, which is helpful to prolong the service life of the pipeline, at this time, when the plug moves in the pipeline, the scale can be crushed, and then the plug cannot be blocked in the pipeline.

[0030] As shown in Figure 5 The number of gear blocks 8 is multiple, and the gear blocks 8 are made of tungsten steel; Specifically, the plurality of gear blocks 8 are provided, the tungsten steel has extremely high hardness, which makes the gear block 8 maintain a sharp cutting edge when crushing the scale in the pipeline, and is not easy to wear, even if it is in contact with hard scale for a long time, it can also maintain good crushing performance, greatly prolonging the service life of the gear block 8 and reducing the frequency of replacing the gear block 8.

[0031] In summary: the oil pipe plug, the connection assembly 2 is provided for the connection of various components, the fixed sleeve 201 is used for the connection of the plug advancing structure, the connecting sleeve 203 is used for the installation and fixation of the micro air pump 303, the rod head 4 is threadedly connected to the surface of the center rod 1, after the rod head 4 is installed on the center rod 1, the busbar 501 and the terminal 502 are connected, providing power support for the micro motor 602 in the rod head 4, when the structure moves in the oil pipeline, the micro motor 602 can operate, the output end of the micro motor 602 drives the rotating disc 7 to rotate through the rotating rod 603, the rotating disc 7 drives the gear block 8 and the drill bit 9 to rotate, the rotating gear block 8 and the drill bit 9 can crush the scale, at this time, the scale cannot block the movement of the plug in the pipeline, after the plug moves to a suitable position in the pipeline, the micro air pump 303 operates, the micro air pump 303 is connected with the inflation valve 305 through the connecting pipe 304, the air bag 302 is inflated and expanded, the air bag 302 is tightly attached to the inner wall of the pipeline, and the inner wall of the pipeline is sealed and blocked.

[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A tubing inner plug, characterized by, The utility model provides a center pole, the surface of center pole is equipped with connecting assembly for component connection in inside, the inside and surface of center pole are equipped with closing assembly for pipeline block, the surface of center pole is screw thread connection has pole head, the surface of center pole and the inner wall of pole head are equipped with electricity passing assembly, the inside and surface of pole head are equipped with drive assembly, the surface of drive assembly is fixedly connected with rotating disc, the bottom surface of rotating disc is equipped with tooth block, the bottom surface of rotating disc is fixedly connected with drill bit.

2. A tubing inner plug according to claim 1, wherein, The connecting assembly comprises a fixing sleeve, the surface of the center pole is sleeved with the fixing sleeve, the top surface of the center pole is provided with an opening, and the inner wall of the center pole is fixedly inserted with a connecting sleeve.

3. A tubing inner plug as defined in claim 2, wherein, The closing assembly comprises a sleeve ring, the surface of the center pole is sleeved with the sleeve ring, the surface of the sleeve ring is provided with an air bag, the surface of the connecting sleeve is fixedly connected with a micro air pump, the inflation end of the micro air pump is fixedly connected with a connecting pipe, the surface of the center pole is provided with an inflation valve, and one end of the connecting pipe, away from the micro air pump, is fixedly connected with the inflation valve.

4. The tubing inner plug of claim 1, wherein, The electricity passing assembly comprises a busbar, the bottom surface of the center pole is provided with the busbar, and the inner wall of the pole head is provided with a wiring terminal.

5. The tubing inner plug of claim 1, wherein, The drive assembly comprises a mounting block, the inner wall of the pole head is fixedly connected with the mounting block, the bottom surface of the mounting block is fixedly connected with a micro motor, the output end of the micro motor is fixedly connected with a rotating rod, the rotating rod is rotatably connected with the pole head, the bottom end of the rotating rod is fixedly connected with a connector, and the rotating disc is fixedly connected with the connector.

6. A tubing inner sleeve according to claim 1, wherein, The number of tooth blocks is multiple, and the tooth blocks are made of tungsten steel.

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