Sealing cover device for plugging oil and gas well

Abstract

The utility model relates to the technical field of oil and gas well sealing, in particular to a sealing cover device for oil and gas well plugging, which comprises a plug pin barrel, a square column, a sealing plate, a hollow column, an air cylinder, a sliding rod, an arc-shaped plate, a frosted plate, a wireless controller, a connecting assembly, a top cover assembly and an auxiliary assembly, the top cover assembly is arranged above the plug pin barrel, and the auxiliary assembly is arranged at the bottom of the plug pin barrel. A bolt barrel is inserted into a hole needing to be sealed, at the moment, the top cover assembly makes contact with the ground, a worker can conveniently insert the bolt barrel through an auxiliary assembly, then a terminal is used for controlling a wireless controller and starting an air cylinder to make the air cylinder abut against a sliding rod to move outwards in a hollow column, and at the moment, an arc-shaped plate moves under the assistance of a connecting assembly; by means of the mode, the workload of workers is reduced, the working efficiency of the workers is effectively improved, and the device is more convenient for the workers to use.

Description

Technical Field

[0001] The utility model relates to the technical field of oil and gas well sealing, in particular to a sealing capping device for sealing an oil and gas well. Background Art

[0002] With the development of oil extraction technology, the production tubing used in oil production projects is the main part of the oil production machinery system. The tubing can lift the crude oil in the oil well to the ground. In order to adapt to different oil production needs, professional production tubing for heavy oil development and ordinary crude oil development has emerged. In this process, the borehole of the production tubing needs to be sealed, and a capper is needed to seal the borehole.

[0003] Existing capping devices are mainly installed in the production pipe string to facilitate the alignment of capping and protection by the staff.

[0004] Currently, the installation of the capping device requires many steps to fix the capping device in the oil production pipe string, which increases the difficulty of using the capping device to a certain extent, thereby affecting the work efficiency of the staff. Utility Model Content

[0005] The purpose of the utility model is to provide a sealing device for sealing oil and gas wells, aiming to solve the problem that the current installation of the sealer requires many steps to fix the sealer in the oil production pipe string, which increases the difficulty of using the sealer to a certain extent and thus affects the work efficiency of the staff.

[0006] To achieve the above-mentioned purpose, the utility model provides a sealing device for sealing oil and gas wells, comprising a latch barrel, a square column, a sealing plate, a hollow column, a cylinder, a sliding rod, an arc plate, a frosted plate, a wireless controller, a connecting assembly, a top cover assembly and an auxiliary assembly, wherein the square column is fixedly connected to the latch barrel and is located on the inner bottom wall of the latch barrel, the sealing plate is fixedly connected to the square column and is located above the square column, the sealing plate is fixedly connected to the latch barrel and is located on the inner side wall of the latch barrel, the cylinder is fixedly connected to the square column and is located on the outer side wall of the square column, the hollow column is fixedly connected to the The pin cylinder is connected and is located on the outer side wall of the pin cylinder, the sliding rod is slidably connected to the hollow column and is located on the inner side wall of the hollow column, the output end of the cylinder is fixedly connected to the sliding rod and is located at one end of the sliding rod, the wireless controller is fixedly connected to the sealing plate and is located above the sealing plate, and the wireless controller is electrically connected to the cylinder, the arc plate is arranged on the outer side wall of the pin cylinder, the connecting assembly is arranged between the sliding rod and the arc plate, the top cover assembly is arranged above the pin cylinder, and the auxiliary assembly is arranged at the bottom of the pin cylinder.

[0007] In which, the connecting assembly includes a base and a mounting plate, the mounting plate is fixedly connected to the sliding rod and is located at the end of the sliding rod away from the cylinder, the base is detachably connected to the mounting plate and is located on one side of the mounting plate, and the base is fixedly connected to the arc plate and is located on one side of the arc plate.

[0008] Wherein, the connecting assembly also includes a connecting rib, one end of which is fixedly connected to the base and located on the outer side wall of the base, and the other end of which is fixedly connected to the arc plate and located on one side of the arc plate.

[0009] Among them, the top cover assembly includes a cover, an insertion pin and a sealing gasket. The cover is detachably connected to the pin barrel and is located above the pin barrel. The insertion pin is fixedly connected to the cover and is located below the cover. The sealing gasket is fixedly connected to the cover and is located below the cover.

[0010] In which, the auxiliary component includes a threaded column, a conical body and a gasket. The threaded column is fixedly connected to the pin barrel and is located below the pin barrel. The conical body has a threaded hole, and the threaded hole is threadedly matched with the threaded column. The gasket is detachably connected to the threaded column and is located on the outer side wall of the threaded column, and the gasket is in contact with the conical body.

[0011] The utility model provides a sealing device for sealing an oil and gas well. First, the pin cylinder is inserted into the hole to be sealed. At this time, the top cover assembly is in contact with the ground. The auxiliary assembly facilitates the staff to insert the pin cylinder. Thereafter, the wireless controller is controlled by the terminal to start the cylinder, so that it presses the slide rod to move outward in the hollow column. At this time, the arc plate moves with the assistance of the connecting assembly until the frosted plate presses against the inner wall of the hole. In this way, the workload of the staff is reduced, the work efficiency of the staff is effectively improved, and the staff is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0013] Figure 1 It is a structural schematic diagram of a sealing device for plugging oil and gas wells according to the present invention.

[0014] Figure 2 It is a front view of the sealing device for oil and gas well plugging according to the present invention.

[0015] Figure 3 This utility model Figure 2 AA line section view.

[0016] Figure 4 This utility model Figure 3 A magnified view of the local structure at point B.

[0017] 101-latch cylinder, 102-square column, 103-sealing plate, 104-hollow column, 105-cylinder, 106-sliding rod, 107-arc plate, 108-frosted plate, 109-wireless controller, 110-connecting assembly, 111-top cover assembly, 112-auxiliary assembly, 113-base, 114-connecting rib, 115-mounting plate, 116-cover, 117-insertion nail, 118-sealing gasket, 119-threaded column, 120-conical body, 121-gasket, 122-threaded hole. DETAILED DESCRIPTION

[0018] See also Figures 1 to 4 ,in, Figure 1 This is a structural diagram of a sealing device for plugging oil and gas wells according to the present invention. Figure 2 This is a front view of the sealing device for oil and gas well plugging of the utility model. Figure 3 This utility model Figure 2 AA line section view, Figure 4 This utility model Figure 3 A magnified view of the local structure at point B.

[0019] The utility model provides a sealing device for sealing an oil and gas well, comprising a pin barrel 101, a square column 102, a sealing plate 103, a hollow column 104, a cylinder 105, a sliding rod 106, an arc plate 107, a frosted plate 108, a wireless controller 109, a connecting assembly 110, a top cover assembly 111 and an auxiliary assembly 112, wherein the connecting assembly 110 comprises a base 113, a connecting rib 114 and a mounting plate 115, the top cover assembly 111 comprises a cover 116, an insertion pin 117 and a sealing gasket 118, the auxiliary assembly 112 comprises a threaded column 119, a conical body 120 and a gasket 121, and the conical body 120 has a threaded hole 122.

[0020] The square column 102 is fixedly connected to the latch barrel 101 and is located on the inner bottom wall of the latch barrel 101. The sealing plate 103 is fixedly connected to the square column 102 and is located above the square column 102. The sealing plate 103 is fixedly connected to the latch barrel 101 and is located on the inner side wall of the latch barrel 101. The cylinder 105 is fixedly connected to the square column 102 and is located on the outer side wall of the square column 102. The hollow column 104 is connected to the latch barrel 101 and is located on the outer side wall of the latch barrel 101. The sliding rod 106 is slidably connected to the hollow column 104 and is located in the hollow column 104. The inner wall of the core column 104, the output end of the cylinder 105 is fixedly connected to the slide rod 106 and is located at one end of the slide rod 106, the wireless controller 109 is fixedly connected to the sealing plate 103 and is located above the sealing plate 103, and the wireless controller 109 is electrically connected to the cylinder 105, the curved plate 107 is arranged on the outer side wall of the pin cylinder 101, the connecting component 110 is arranged between the slide rod 106 and the curved plate 107, the top cover component 111 is arranged above the pin cylinder 101, and the auxiliary component 112 is arranged at the bottom of the pin cylinder 101.

[0021] In this embodiment, the pin barrel 101 is first inserted into the hole that needs to be sealed. At this time, the top cover assembly 111 is in contact with the ground, and the auxiliary assembly 112 facilitates the staff to insert the pin barrel 101. Then, the terminal is used to control the wireless controller 109 to start the cylinder 105, so that it presses against the slide rod 106 and moves outward in the hollow column 104. At this time, the curved plate 107 moves with the assistance of the connecting assembly 110 until the frosted plate 108 presses against the inner wall of the hole. In this way, the workload of the staff is reduced, the work efficiency of the staff is effectively improved, and it is more convenient for the staff to use.

[0022] Furthermore, the mounting plate 115 is fixedly connected to the slide rod 106 and is located at the end of the slide rod 106 away from the cylinder 105. The base 113 is detachably connected to the mounting plate 115 and is located on one side of the mounting plate 115. The base 113 is fixedly connected to the arc plate 107 and is located on one side of the arc plate 107.

[0023] In this embodiment, the sliding rod 106 moves against the base 113 on one side of the mounting plate 115 to push the grinding plate 108 closer to the inner wall of the pipe.

[0024] Furthermore, one end of the connecting rib 114 is fixedly connected to the base 113 and is located on the outer side wall of the base 113 , and the other end of the connecting rib 114 is fixedly connected to the arc plate 107 and is located on one side of the arc plate 107 .

[0025] In this embodiment, the connecting ribs 114 can increase the connectivity between the base 113 and the arc-shaped plate 107 , thereby preventing root breakage during use and extending the service life of the base 113 .

[0026] Furthermore, the cover 116 is detachably connected to the latch tube 101 and is located above the latch tube 101, the insertion pin 117 is fixedly connected to the cover 116 and is located below the cover 116, and the sealing gasket 118 is fixedly connected to the cover 116 and is located below the cover 116.

[0027] In this embodiment, when the cover 116 contacts the ground, the insertion nail 117 will be firmly embedded in the ground due to gravity. At this time, the sealing gasket 118 can improve the sealing performance between the hole and the cover 116, so as to facilitate use by staff.

[0028] Furthermore, the threaded column 119 is fixedly connected to the pin cylinder 101 and is located below the pin cylinder 101. The conical body 120 has a threaded hole 122, and the threaded hole 122 is threadedly engaged with the threaded column 119. The gasket 121 is detachably connected to the threaded column 119 and is located on the outer side wall of the threaded column 119, and the gasket 121 is in contact with the conical body 120.

[0029] In this embodiment, the threaded column 119 facilitates the worker to fix the cone 120 to the bottom of the pin barrel 101, and the washer 121 can better tighten the cone 120 to avoid loosening.

[0030] The above disclosure is only a preferred embodiment of the present application and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made in accordance with the claims of the present application are still within the scope covered by the present application.

Claims

1. A capping device for plugging an oil and gas well, characterized in that: The utility model comprises a latch barrel, a square column, a sealing plate, a hollow column, a cylinder, a sliding rod, a curved plate, a frosted plate, a wireless controller, a connecting assembly, a top cover assembly and an auxiliary assembly. The square column is fixedly connected to the latch barrel and is located on the inner bottom wall of the latch barrel. The sealing plate is fixedly connected to the square column and is located above the square column. The sealing plate is fixedly connected to the latch barrel and is located on the inner side wall of the latch barrel. The cylinder is fixedly connected to the square column and is located on the outer side wall of the square column. The hollow column is communicated with the latch barrel and is located on the latch barrel. The outer wall of the pin barrel, the sliding rod is slidably connected to the hollow column and is located on the inner wall of the hollow column, the output end of the cylinder is fixedly connected to the sliding rod and is located at one end of the sliding rod, the wireless controller is fixedly connected to the sealing plate and is located above the sealing plate, and the wireless controller is electrically connected to the cylinder, the arc plate is arranged on the outer wall of the pin barrel, the connecting component is arranged between the sliding rod and the arc plate, the top cover component is arranged above the pin barrel, and the auxiliary component is arranged at the bottom of the pin barrel.

2. The oil and gas well plugging capping device according to claim 1, wherein: The connecting assembly includes a base and a mounting plate, the mounting plate is fixedly connected to the sliding rod and is located at the end of the sliding rod away from the cylinder, the base is detachably connected to the mounting plate and is located on one side of the mounting plate, and the base is fixedly connected to the arc plate and is located on one side of the arc plate.

3. The oil and gas well plugging capping device according to claim 2, characterized in that: The connecting assembly also includes a connecting rib, one end of which is fixedly connected to the base and located on the outer side wall of the base, and the other end of which is fixedly connected to the arc plate and located on one side of the arc plate.

4. The oil and gas well plugging capping device according to claim 3, characterized in that: The top cover assembly includes a cover, an insertion pin and a sealing gasket. The cover is detachably connected to the pin barrel and is located above the pin barrel. The insertion pin is fixedly connected to the cover and is located below the cover. The sealing gasket is fixedly connected to the cover and is located below the cover.

5. The oil and gas well plugging capping device according to claim 4, characterized in that: The auxiliary component includes a threaded column, a tapered body and a gasket. The threaded column is fixedly connected to the pin barrel and is located below the pin barrel. The tapered body has a threaded hole, and the threaded hole is threadedly matched with the threaded column. The gasket is detachably connected to the threaded column and is located on the outer side wall of the threaded column, and the gasket is in contact with the tapered body.

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