Drilling hole plugging device

By designing a drilling sealing device with a water stop layer and multiple raised rings, the problem of fracture or cracking after drilling is solved, and better sealing effect and stability of cement slurry are achieved. Sex and fast blocking ability.

CN222436329UActive Publication Date: 2025-02-07SHAANXI COAL IND CHEM GRP SUN JIACHA LONGHUA MINING
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Patent Information

Application Number
CN202421217865.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-02-07
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

During coal mining, breakage or cracking is prone to occur after drilling holes are sealed, resulting in poor sealing effect.

Method used

A drilling sealing device is designed, including a log plug with a water stop layer and a plurality of raised rings. By plugging the log plug with the water stop layer into the drill hole and injecting cement slurry at high pressure for sealing, the water stop layer increases elastic force, prevents cement cracks, and raised rings improve the wall hanging ability of cement slurry. Achieve rapid blockade.

Benefits of technology

It effectively prevents fracture or cracking problems after drilling and sealing, improves the sealing effect, and ensures the stability and rapid sealing ability of cement slurry by increasing elastic force and improving wall hanging capacity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a drilling plugging device, and relates to the field of plugging devices, the drilling plugging device comprises a round wood plug, a water stop belt layer is arranged on the outer surface of the round wood plug, a first anti-skid layer is arranged on the outer surface of the round wood plug, a second anti-skid layer is arranged on the inner surface of the water stop belt layer, first anti-skid teeth abut against the second anti-skid layer, and second anti-skid teeth abut against the second anti-skid layer. A plurality of protruding rings are arranged on the outer surface of the water-stop belt layer, when the round wooden plug is used, the round wooden plug with the water-stop belt layer is plugged into a drill hole, then cement slurry is injected through high pressure, the drill hole is plugged, plugging can be completed after solidification, the water-stop belt layer can increase elastic force, the water-stop belt layer is not prone to falling off, and the water-stop belt layer is not prone to falling off. The cement can be prevented from cracking, the wall hanging capacity of cement slurry can be improved through the protruding rings, and rapid plugging is facilitated.
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Description

Technical Field

[0001] The present application relates to the field of plugging devices, and in particular to a drilling plugging device. Background Art

[0002] In coal mining, drilling is required for sampling and testing. Due to the complexity of coal seams, there may be toxic gases in the interlayers, and the holes need to be sealed. The current operation is to seal with polyurethane. After sealing, there is no buffer between the polyurethane and the coal seam, which is prone to breakage or cracking. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a borehole plugging device, which can solve the technical problem of breakage or cracking of the borehole after plugging.

[0004] An embodiment of the present application provides a drilling plugging device, including a log plug, a waterstop layer being provided on the outer surface of the log plug, a first anti-slip layer being provided on the outer surface of the log plug, a second anti-slip layer being provided on the inner surface of the waterstop layer, the first anti-slip teeth abutting against the second anti-slip layer, a raised ring being provided on the outer surface of the waterstop layer, and a plurality of raised rings being provided.

[0005] Preferably, the upper surface of the raised ring is concave-convex.

[0006] Preferably, the surface of the first anti-slip layer and the surface of the second anti-slip layer are arranged in a concave-convex manner.

[0007] Preferably, the length of the log is 30-60 cm, and the diameter of the log is 70-120 mm.

[0008] Preferably, at least 10 raised rings are provided.

[0009] Preferably, the thickness of the waterstop layer is 10-30 mm.

[0010] Beneficial effects of the utility model:

[0011] The utility model provides a drilling plugging device, including a round wooden plug, a waterstop layer is arranged on the outer surface of the round wooden plug, a first anti-skid layer is arranged on the outer surface of the round wooden plug, a second anti-skid layer is arranged on the inner surface of the waterstop layer, the first anti-skid teeth abut against the second anti-skid layer, a raised ring is arranged on the outer surface of the waterstop layer, and a plurality of raised rings are arranged. When the utility model is in use, the round wooden plug with the waterstop layer is inserted into the drill hole, and then cement slurry is injected under high pressure to seal the drill hole, and the sealing is completed after solidification. The waterstop layer of the utility model can increase the elastic force and prevent cracks in the cement, and the raised ring can improve the wall hanging ability of the cement slurry, which is convenient for rapid sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a cross-sectional view of the utility model.

[0014] The reference numerals are:

[0015] 1. Round wooden plug; 2. Waterstop layer; 3. First anti-slip layer; 4. Second anti-slip layer; 5. Raised ring. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are 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 here can be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0018] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0019] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0020] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0021] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0022] like Figure 1 As shown, a drilling plugging device includes a round log 1, a waterstop layer 2 is provided on the outer surface of the round log 1, a first anti-skid layer 3 is provided on the outer surface of the round log 1, a second anti-skid layer 4 is provided on the inner surface of the waterstop layer 2, the first anti-skid teeth abut against the second anti-skid layer 4, a raised ring 5 is provided on the outer surface of the waterstop layer 2, and a plurality of raised rings 5 ​​are provided. When the utility model is in use, the round log 1 with the waterstop layer 2 is inserted into the drill hole, and then cement slurry is injected under high pressure to seal the drill hole, and the sealing is completed after solidification. The waterstop layer 2 of the utility model can increase the elastic force to prevent cracks in the cement, and the raised ring 5 can improve the wall hanging ability of the cement slurry, which is convenient for rapid sealing.

[0023] like Figure 1 As shown, in this embodiment, in order to further improve the surface friction coefficient of the raised ring 5, the upper surface of the raised ring 5 is arranged in a concave-convex manner.

[0024] like Figure 1 As shown, in this embodiment, in order to further improve the surface friction coefficient of the first anti-slip layer 3 and the second anti-slip layer 4, the surface of the first anti-slip layer 3 and the surface of the second anti-slip layer 4 are arranged in a concave-convex manner.

[0025] like Figure 1 As shown, in this embodiment, the length of the log 1 is 30-60 cm, the diameter of the log 1 is 70-120 mm, and the thickness of the water stop layer 2 is 10-30 mm. Specifically, the length, diameter, and thickness are all set according to demand.

[0026] like Figure 1 As shown, in this embodiment, at least 10 raised rings 5 ​​are provided. Specifically, the raised rings 5 ​​are evenly distributed on the outer surface of the water stop layer 2.

[0027] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A drilling plugging device, characterized in that: It comprises a round log, wherein a waterstop layer is arranged on the outer surface of the round log, a first anti-slip layer is arranged on the outer surface of the round log, a second anti-slip layer is arranged on the inner surface of the waterstop layer, the first anti-slip layer abuts against the second anti-slip layer, a raised ring is arranged on the outer surface of the waterstop layer, and a plurality of raised rings are arranged.

2. A drilling plugging device according to claim 1, characterized in that: The upper surface of the raised ring is arranged in a concave-convex manner.

3. A drilling plugging device according to claim 1, characterized in that: The surface of the first anti-slip layer and the surface of the second anti-slip layer are arranged in a concave-convex manner.

4. A drilling plugging device according to claim 1, characterized in that: The length of the round wooden plug is 30-60 cm, and the diameter of the round wooden plug is 70-120 mm.

5. A drilling plugging device according to claim 1, characterized in that: At least 10 raised rings are provided.

6. A drilling plugging device according to claim 1, characterized in that: The thickness of the waterstop layer is 10-30 mm.