A high-temperature and high-pressure resistant drilling tool identification tag structure

Abstract

The utility model provides a kind of high temperature and high pressure resistant drilling tool identification label structure, it is related to well drilling tool technical field, solve the technical problem that the existing technology exists, drill pipe in long-term use process, because of corrosion or abrasion will lead to these steel stamp blur even disappear, lead to the technical problem of not accurate reading.The device includes shell, antenna and chip, wherein, the inside of shell is provided with sealed cavity, the antenna and the chip are all installed in the sealed cavity, the antenna and the chip are connected, drilling tool information is stored in the chip, and the drilling tool information in the chip can be conducted to terminal equipment by the antenna.

Description

Technical Field

[0001] This utility model relates to the field of drilling tool technology, and in particular to a drill string identification tag structure that is resistant to high temperature and high pressure. Background Technology

[0002] To facilitate drill pipe management and technical quality tracking, identification is usually achieved by stamping steel marks at the root of the drill pipe joint threads or in the marking groove. However, during use, corrosion or wear can cause these steel marks to become blurred or even disappear, making them impossible to read accurately. Utility Model Content

[0003] The purpose of this invention is to provide a high-temperature and high-pressure resistant drill bit identification tag structure to solve the technical problem in the prior art where corrosion or wear during long-term use of drill rods causes the steel stamps to become blurred or even disappear, resulting in inaccurate reading. The various technical effects of the preferred technical solutions provided by this invention are detailed below.

[0004] To achieve the above objectives, the present invention provides the following technical solution: This utility model provides a high-temperature and high-pressure resistant drill tool identification tag structure, including a housing, an antenna, and a chip. The housing has a sealed cavity inside, and the antenna and the chip are both installed in the sealed cavity. The antenna and the chip are connected, and the chip stores drill tool information. The drill tool information in the chip can be transmitted to a terminal device through the antenna.

[0005] Optionally, the housing is a one-piece injection molded part.

[0006] Optionally, the housing includes an outer shell and an inner shell, the inner shell being located inside the outer shell and the inner shell and the outer shell being sealed and fixedly connected, and the inner shell and the outer shell forming the sealed cavity inside each other.

[0007] Optionally, the housing further includes a positioning shell, which is fixed inside the sealing cavity and the outer wall of the positioning shell is in contact with the inner wall of the sealing cavity; The positioning shell is provided with an inwardly recessed placement groove, and both the antenna and the chip are installed in the placement groove.

[0008] Optionally, the placement groove is filled with high-temperature resistant sealant.

[0009] Optionally, the housing is made of 316 stainless steel.

[0010] Optionally, both the inner shell and the positioning shell are made of composite PEEK material.

[0011] Optionally, the outer circumferential wall of the housing is provided with knurling, and the ends of the housing are provided with chamfers.

[0012] Optionally, the upper end face of the outer shell is provided with an inwardly recessed annular groove, the lower end face of the outer shell is provided with an inwardly recessed star-shaped groove, the interior of the outer shell is provided with a circular hole and an arc-shaped hole, the number of the arc-shaped holes is at least three, all the arc-shaped holes are distributed along the circumferential direction of the circular hole, the circular hole is connected to the star-shaped groove, the star-shaped groove is connected to the annular groove through the arc-shaped hole, and the positioning shell is installed in the circular hole.

[0013] Optionally, the inner shell includes an annular plate, a star-shaped plate, and arc-shaped columns. The number of arc-shaped columns is consistent with the number of arc-shaped holes. The arc-shaped columns are located in the corresponding arc-shaped holes and are in contact with each other. The annular plate and the star-shaped plate are connected by the arc-shaped columns. The annular plate is located in the annular groove, and the star-shaped plate is located in the star-shaped groove.

[0014] This utility model provides a high-temperature and high-pressure resistant drill bit identification tag structure. The antenna and chip are sealed inside a housing, which is installed on the drill bit. The chip stores usage information, manufacturing date, maintenance information, etc. of the drill bit. The housing can protect the antenna and chip from damage. When it is necessary to know the information of the drill bit, the terminal device can receive the signal emitted by the antenna, thereby displaying the drill bit information in the chip on the terminal device. The terminal device can also add information about the drill bit before transmitting it to the chip. This solves the technical problem in the prior art where the steel stamps on the drill rod become blurred or even disappear due to corrosion or wear during long-term use, resulting in inaccurate reading. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of a high-temperature and high-pressure resistant drill tool identification tag structure provided in an embodiment of this utility model; Figure 2 This is a schematic diagram of another angle of the high temperature and high pressure resistant drill identification tag structure provided in this embodiment of the utility model; Figure 3This is a schematic diagram of the outer shell of a high-temperature and high-pressure resistant drill tool identification tag structure provided in this embodiment of the utility model; Figure 4 This is a schematic diagram of the outer shell of a high-temperature and high-pressure resistant drill identification tag structure provided in this embodiment of the utility model from another angle; Figure 5 This is a schematic diagram of the connection between the outer shell, chip, and positioning shell of a high-temperature and high-pressure resistant drill identification tag structure provided in this embodiment of the utility model; Figure 6 This is a schematic diagram of the connection between the chip and the positioning shell of a high-temperature and high-pressure resistant drill tool identification tag structure provided in this embodiment of the utility model; Figure 7 This is a schematic diagram of the positioning shell of a high-temperature and high-pressure resistant drill tool identification tag structure provided in this embodiment of the utility model; Figure 8 This is a schematic diagram of the positioning shell of a high-temperature and high-pressure resistant drill tool identification tag structure provided in an embodiment of this utility model from another angle; Figure 9 This is a schematic diagram of the connection between the inner shell, chip, and positioning shell of a high-temperature and high-pressure resistant drill identification tag structure provided in this embodiment of the utility model; Figure 10 This is a schematic diagram of the inner shell of a high-temperature and high-pressure resistant drill tool identification tag structure provided in this embodiment of the utility model; Figure 11 This is a schematic diagram of the inner shell of a high-temperature and high-pressure resistant drill tool identification tag structure provided in an embodiment of this utility model, taken from another angle.

[0017] 1. Chip in the diagram; 2. Outer shell; 21. Knurling; 22. Annular groove; 23. Star groove; 24. Circular hole; 25. Arc-shaped hole; 3. Inner shell; 31. Annular plate; 32. Star-shaped plate; 33. Arc-shaped column; 4. Positioning shell; 41. Placement slot. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] In the description of this utility model, it should be noted that, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] This invention provides a high-temperature and high-pressure resistant drill bit identification tag structure, including a housing, an antenna, and a chip 1. The housing has a sealed cavity inside, and both the antenna and chip 1 are installed within the sealed cavity and connected. The chip 1 stores drill bit information, which can be transmitted to a terminal device via the antenna. This high-temperature and high-pressure resistant drill bit identification tag structure provides an antenna and chip 1 sealed inside the housing, which is mounted on the drill bit. The chip 1 stores usage information, manufacturing date, maintenance information, etc., of the drill bit. The housing protects the antenna and chip 1 from damage. When drill bit information is needed, the terminal device receives the signal emitted by the antenna, displaying the drill bit information from the chip 1 on the terminal device. The terminal device can also add information about the drill bit before transmitting it to the chip. This solves the technical problem in the prior art where corrosion or wear during long-term use of drill rods causes the steel stamps to become blurred or even disappear, resulting in inaccurate reading.

[0022] As an optional implementation, the housing is a one-piece injection molded part. The injection molding process is as follows: the housing 2 is placed in a mold, and injection molding material is injected through the circular hole 24 in the housing 2 to injection mold the positioning housing 4; then the antenna and chip 1 are placed into the positioning housing 4, and high-temperature resistant sealant is filled into the placement groove 41 of the positioning housing 4 to protect and fix the antenna and chip 1; finally, a second injection molding is performed, using the arc-shaped hole 25 as the injection port, and injection molding material is injected into the interior of the housing 2 to fill the interior space of the housing 2, forming the drill identification tag structure. This manufacturing process can avoid poor sealing due to differences between the first and second injection molding, which could lead to liquid leakage or damage or failure under high temperature and pressure downhole due to thermal expansion and contraction.

[0023] As an optional implementation, the housing includes an outer shell 2 and an inner shell 3. The inner shell 3 is located inside the outer shell 2, and the inner shell 3 and the outer shell 2 are sealed and fixedly connected, forming a sealed cavity inside the inner shell 3 and the outer shell 2. The inner shell 3 and the outer shell 2 are tightly connected, making them less prone to loosening or falling off, thus improving the protection of the antenna and the chip 1.

[0024] As an optional implementation, the housing also includes a positioning shell 4, which is fixed in the sealed cavity and the outer wall of the positioning shell 4 is in contact with the inner wall of the sealed cavity; the positioning shell 4 is provided with an inwardly recessed placement groove 41, and the antenna and the chip 1 are both installed in the placement groove 41.

[0025] As an optional implementation, the placement slot 41 is filled with high-temperature resistant sealant, which is to protect the antenna and chip 1, and also to fix the antenna and chip 1 in the placement slot 41.

[0026] As an optional implementation, the outer shell 2 is made of 316 stainless steel, while the inner shell 3 and the positioning shell 4 are both made of composite PEEK material in order to improve the performance of high temperature resistance and high pressure resistance.

[0027] As an optional implementation, the outer wall of the outer casing 2 is provided with knurling 21 to facilitate interference fit, and the ends of the outer casing 2 are provided with chamfers to ensure that it can be placed stably in the position of the mounting hole without tilting when drilling and installing.

[0028] As an optional implementation, the upper end face of the outer shell 2 is provided with an inwardly recessed annular groove 22, the lower end face of the outer shell 2 is provided with an inwardly recessed star-shaped groove 23, the interior of the outer shell 2 is provided with a circular hole 24 and an arc-shaped hole 25, the number of arc-shaped holes 25 is at least three, all arc-shaped holes 25 are distributed along the circumferential direction of the circular hole 24, the depth of the circular hole 24 is less than the depth of the arc-shaped hole 25, the circular hole 24 is connected to the star-shaped groove 23, the star-shaped groove 23 is connected to the annular groove 22 through the arc-shaped hole 25, and the positioning shell 4 is installed in the circular hole 24.

[0029] As an optional implementation, the inner shell 3 includes an annular plate 31, a star-shaped plate 32, and an arc-shaped column 33. The number of arc-shaped columns 33 is consistent with the number of arc-shaped holes 25. The shape of the arc-shaped columns 33 is consistent with the shape and size of the arc-shaped holes 25. The arc-shaped columns 33 are located in the corresponding arc-shaped holes 25 and are in close contact with each other. The annular plate 31 and the star-shaped plate 32 are connected by the arc-shaped columns 33. The annular plate 31 is located in the annular groove 22. The shape of the annular plate 31 is consistent with the shape and size of the annular groove 22, so that the annular plate 31 and the annular groove 22 are in close contact. The star-shaped plate 32 is located in the star-shaped groove 23. The shape of the star-shaped plate 32 is consistent with the shape and size of the star-shaped groove 23, so that the star-shaped plate 32 and the star-shaped groove 23 are in close contact.

[0030] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A high-temperature and high-pressure resistant drill bit identification tag structure, characterized in that, Includes a housing, antenna, and chip (1), wherein, The housing has a sealed cavity inside, and the antenna and the chip (1) are both installed in the sealed cavity. The antenna and the chip (1) are connected. The chip (1) stores drilling information, and the drilling information in the chip (1) can be transmitted to the terminal device through the antenna. The housing includes an outer shell (2) and an inner shell (3). The inner shell (3) is located inside the outer shell (2) and the inner shell (3) and the outer shell (2) are sealed and fixedly connected. The inner shell (3) and the outer shell (2) together form the sealed cavity. The housing also includes a positioning shell (4), which is fixed inside the sealing cavity and the outer wall of the positioning shell (4) is in contact with the inner wall of the sealing cavity; The positioning shell (4) is provided with an inwardly recessed placement groove (41), and the antenna and the chip (1) are both installed in the placement groove (41).

2. The high-temperature and high-pressure resistant drill bit identification tag structure according to claim 1, characterized in that, The housing is a one-piece injection molded part.

3. The high-temperature and high-pressure resistant drill bit identification tag structure according to claim 1, characterized in that, The placement groove (41) is filled with high-temperature resistant sealant.

4. The high-temperature and high-pressure resistant drill bit identification tag structure according to claim 1, characterized in that, The outer shell (2) is made of 316 metal material.

5. The high-temperature and high-pressure resistant drill bit identification tag structure according to claim 1, characterized in that, Both the inner shell (3) and the positioning shell (4) are made of composite PEEK material.

6. The high-temperature and high-pressure resistant drill bit identification tag structure according to claim 1, characterized in that, The outer wall of the outer shell (2) is provided with knurling (21), and the ends of the outer shell (2) are provided with chamfers.

7. The high-temperature and high-pressure resistant drill bit identification tag structure according to claim 1, characterized in that, The upper end face of the outer shell (2) is provided with an inwardly recessed annular groove (22), and the lower end face of the outer shell (2) is provided with an inwardly recessed star-shaped groove (23). The interior of the outer shell (2) is provided with a circular hole (24) and an arc-shaped hole (25). The number of arc-shaped holes (25) is at least three. All the arc-shaped holes (25) are distributed along the circumferential direction of the circular hole (24). The circular hole (24) is connected to the star-shaped groove (23). The star-shaped groove (23) is connected to the annular groove (22) through the arc-shaped hole (25). The positioning shell (4) is installed in the circular hole (24).

8. The high-temperature and high-pressure resistant drill bit identification tag structure according to claim 7, characterized in that, The inner shell (3) includes an annular plate (31), a star-shaped plate (32) and an arc-shaped column (33). The number of arc-shaped columns (33) is the same as the number of arc-shaped holes (25). The arc-shaped columns (33) are located in the corresponding arc-shaped holes (25) and the arc-shaped columns (33) and the arc-shaped holes (25) are in contact. The annular plate (31) and the star-shaped plate (32) are connected by the arc-shaped columns (33). The annular plate (31) is located in the annular groove (22) and the star-shaped plate (32) is located in the star-shaped groove (23).

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