CN107313725B

CN107313725B - Wireless receiving nipple

Info

Publication number: CN107313725B
Application number: CN201710556083.6A
Authority: CN
Inventors: 刘策; 黄俭波; 姜亚竹
Original assignee: Bitswave Suzhou Co Ltd
Current assignee: Bitswave Suzhou Co Ltd
Priority date: 2017-07-10
Filing date: 2017-07-10
Publication date: 2023-05-09
Anticipated expiration: 2037-07-10
Also published as: CN107313725A

Abstract

The invention discloses a wireless receiving nipple, which comprises a shell, a wet joint, a slip ring and a loop antenna, wherein the shell, the wet joint, the slip ring and the loop antenna are coaxially arranged; the wet joint and the slip ring are both in communication connection with the first electronic module, and the wet joint and the slip ring are both in communication connection with the second electronic module. The wireless receiving nipple provided by the invention has the advantages of shorter length, more compact structure, convenience in assembly and disassembly and reduction in overhaul difficulty.

Description

Wireless receiving nipple

Technical Field

The invention relates to the technical field of measurement while drilling of well deviation, in particular to a wireless receiving nipple.

Background

In order to improve the scientificity and safety of drilling operation and master the stress state and the motion rule of a drilling pipe tool, ground engineering technicians need to better know underground engineering parameters such as drilling pressure, torque, bending stress, drill string internal pressure, annulus pressure and the like.

At present, in the construction process of well drilling at home and abroad, methods for acquiring underground engineering parameters such as weight on bit, torque, bending stress, pressure in a drill string, annular pressure and the like mainly comprise two types of indirect acquisition on the ground (or near a wellhead) and direct acquisition under the well, wherein the indirect acquisition method is most commonly used due to low cost. The measurement and the understanding of the weight on bit mainly use a ground weight indicator, but the data of the ground measurement cannot truly reflect the weight on bit; the torque is measured on a wellhead device or a motor shaft, and is not the action torque of a drill bit; the ground is not known about engineering parameters such as annular pressure, bending stress and the like. With the development of modern electronic measurement technology, various sensors and data processing devices have been able to acquire data from the harsh environment downhole and process it.

Therefore, it is necessary to provide a wireless receiving nipple for receiving information sent by other nipples.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a wireless receiving nipple for receiving data information, which comprises the following specific technical scheme:

a wireless receiving short section, which comprises a shell, a wet joint, a slip ring and a loop antenna which are coaxially arranged,

one end of the shell is provided with the wet joint, the other end of the shell is provided with the slip ring, the middle part of the shell is provided with a loop antenna, and a first electronic module and a second electronic module are arranged between the loop antenna and the slip ring;

the wet joint and the slip ring are both in communication connection with the first electronic module, and the wet joint and the slip ring are both in communication connection with the second electronic module.

Further, the shell comprises a first groove, a first cover plate, a second groove and a second cover plate,

the first groove is connected with the first cover plate, the shape of the first cover plate is matched with that of the first groove, and the first electronic module is accommodated in a closed space enclosed by the first groove and the first cover plate;

the second groove is connected with the second cover plate, the shape of the second cover plate is matched with that of the second groove, and the second electronic module is accommodated in a closed space surrounded by the second groove and the second cover plate.

Further, the first groove and the second groove are rectangular grooves.

Further, the first groove and the second groove are axially parallel to the housing.

Further, the first groove and the second groove are both arranged on the outer wall of the shell, the first groove and the second groove are arranged along the circumferential direction of the shell, and an included angle between the first groove and the second groove is 120 degrees.

Further, the first cover plate is detachably connected with the first groove.

Further, the second cover plate is detachably connected with the second groove.

Further, a third groove for accommodating the first data line is formed in the shell, and the slip ring is in communication connection with the first electronic module and the second electronic module through the first data line.

Further, a fourth groove for accommodating a second data line is formed in the shell, and the wet joint is in communication connection with the first electronic module and the second electronic module through the second data line.

Further, a fifth groove for accommodating the annular antenna is formed in the shell, and the fifth groove is an annular groove.

Compared with the prior art, the implementation of the invention has the following beneficial effects:

1. the wireless receiving nipple provided by the invention is shorter in length and more compact in structure.

2. The first electronic module and the second electronic module of the wireless receiving nipple are both designed at the outer end of the shell, so that the assembly and the disassembly are more convenient, and the overhaul difficulty is reduced.

3. The wireless receiving nipple provided by the invention can be used as an independent nipple.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an exploded schematic view of a wireless receiving nipple provided by the invention;

fig. 2 is a schematic front view of a wireless receiving nipple provided by the invention.

The device comprises a 1-shell, a 11-first groove, a 12-first cover plate, a 13-second groove, a 14-second cover plate, a 2-wet joint, a 3-slip ring, a 4-loop antenna, a 5-first electronic module and a 6-second electronic module.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally formed, for example; can be mechanically or electrically connected; the connection may be direct, indirect, or may be internal to the two elements or an interaction relationship between the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Fig. 1 is an exploded schematic view of a wireless receiving nipple provided by the invention, and as shown in fig. 1, this embodiment provides a wireless receiving nipple, which includes a housing 1, a wet joint 2, a slip ring 3 and a loop antenna 4 coaxially arranged,

one end of the shell 1 is provided with the wet joint 2, the other end of the shell 1 is provided with the slip ring 3, the middle part of the shell 1 is provided with a loop antenna 4, and a first electronic module 5 and a second electronic module 6 are arranged between the loop antenna 4 and the slip ring 3;

the wet joint 2 and the slip ring 3 are both in wireless communication connection with the first electronic module 5, and the wet joint 2 and the slip ring 3 are both in wireless communication connection with the second electronic module 6.

Specifically, the casing 1 is cylindrical, and by adjusting components such as an antenna, an electronic module and the like which are reasonably arranged, the casing 1 is more compact in structure and shorter in length. In one embodiment, the diameter of the housing 1 is 177.8mm and the length of the housing 1 is 833mm. Of course, the length of the housing 1 may be other values greater than 833mm.

Preferably, the housing is a nonmagnetic housing.

Specifically, the housing 1 includes a first groove 11, a first cover plate 12, a second groove 13 and a second cover plate 14,

the first groove 11 is connected with the first cover plate 12, the shape of the first cover plate 12 is matched with that of the first groove 11, and the first electronic module 5 is accommodated in a closed space enclosed by the first groove 11 and the first cover plate 12;

the second groove 13 is connected with the second cover plate 14, the shape of the second cover plate 14 is matched with the shape of the second groove 13, and the second electronic module 6 is accommodated in a closed space enclosed by the second groove 13 and the second cover plate 14.

Specifically, the first groove 11 and the second groove 13 are rectangular grooves. Fig. 2 is a schematic front view of the wireless receiving nipple provided by the invention, as shown in fig. 2, the first groove 11 and the second groove 13 are axially parallel to the housing 1. Specifically, the first groove 11 and the second groove 13 are both disposed on the outer wall of the housing 1, the first groove 11 and the second groove 13 are disposed along the circumferential direction of the housing 1, and an included angle between the first groove 11 and the second groove 13 is 120 °.

Specifically, the first cover 12 is detachably connected to the first groove 11, and the first cover 12 is connected to the first groove 11 by a screw. When receiving violent impact during the nipple joint, probably arouse first electronic module 5 vibrations thereupon for the data line that connects first electronic module 5 becomes flexible, and then arouses communication trouble, for reducing first electronic module 5 breaks down frequency, be equipped with the mounting in the first recess 11. Preferably, the mount is made of an elastic material including, but not limited to, rubber; the first electronic module 5 is embedded in the fixing member, and the shape of the fixing member is matched with that of the first electronic module 5.

Specifically, the second cover plate 14 is detachably connected with the second groove 13, the second cover plate 14 is connected with the second groove 13 through screws, the number of the screws is multiple, and the multiple screws are uniformly arranged along the edge of the second cover plate 14.

The loop antenna 4 is a structure in which a metal wire is wound into a certain shape, such as a circle, a square, a triangle, etc., and both ends of the conductor are used as output ends. Specifically, the loop antenna 4 includes a loop core matching the shape of the housing 1, and a wire wound around the loop core, wherein the loop core includes a magnetically conductive material wound around the insulation base layer. Preferably, a fifth groove for accommodating the loop antenna 4 is formed on the housing 1, and the fifth groove is a loop groove. Preferably, the gap between the loop antenna 4 and the fifth groove is filled with an insulating medium, and the insulating medium is a wear-resistant and high-temperature-resistant insulating medium.

Example 2

the wet joint 2 and the slip ring 3 are both in communication connection with the first electronic module 5, and the wet joint 2 and the slip ring 3 are both in communication connection with the second electronic module 6.

Specifically, the first cover plate 12 is detachably connected with the first groove 11, and the first cover plate 12 is clamped with the first groove 11.

Specifically, the second cover 14 is detachably connected with the second groove 13, and the second cover 14 is clamped with the second groove 13.

Specifically, the housing 1 is provided with a third groove for accommodating a first data line, and the slip ring 3 is respectively in communication connection with the first electronic module 5 and the second electronic module 6 through the first data line. Preferably, the third groove is elongated.

Specifically, the housing 1 is provided with a fourth groove for accommodating a second data line, and the wet connector 2 is respectively in communication connection with the first electronic module 5 and the second electronic module 6 through the second data line. Preferably, the fourth groove is elongated.

Specifically, a fifth groove for accommodating the loop antenna 4 is formed in the housing 1, and the fifth groove is a loop groove.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art may combine and combine the different embodiments or examples described in this specification.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications and alternatives to the above embodiments may be made by those skilled in the art within the scope of the invention.

Claims

1. A wireless receiving short section is characterized by comprising a shell (1), a wet joint (2), a slip ring (3) and a loop antenna (4) which are coaxially arranged,

one end of the shell (1) is provided with the wet joint (2), the other end of the shell (1) is provided with the slip ring (3), the middle part of the shell (1) is provided with a loop antenna (4), and a first electronic module (5) and a second electronic module (6) are arranged between the loop antenna (4) and the slip ring (3); the shell (1) comprises a first groove (11), a first cover plate (12), a second groove (13) and a second cover plate (14), wherein the first groove (11) is connected with the first cover plate (12), the shape of the first cover plate (12) is matched with that of the first groove (11), and the first electronic module (5) is accommodated in a closed space enclosed by the first groove (11) and the first cover plate (12); the second groove (13) is connected with the second cover plate (14), the shape of the second cover plate (14) is matched with that of the second groove (13), and the second electronic module (6) is accommodated in a closed space surrounded by the second groove (13) and the second cover plate (14);

the wet joint (2) and the slip ring (3) are in communication connection with the first electronic module (5) through a data line, and the wet joint (2) and the slip ring (3) are in communication connection with the second electronic module (6) through a data line.

2. The wireless reception nipple according to claim 1, wherein the first groove (11) and the second groove (13) are rectangular grooves.

3. The wireless reception nipple according to claim 1, characterized in that the first groove (11) and the second groove (13) are both axially parallel to the housing (1).

4. The wireless receiving nipple according to claim 1, characterized in that the first groove (11) and the second groove (13) are both provided on the outer wall of the housing (1), the first groove (11) and the second groove (13) are provided along the circumferential direction of the housing (1), and the included angle between the first groove (11) and the second groove (13) is 120 °.

5. The wireless reception nipple according to claim 1, wherein said first cover plate (12) is detachably connected to said first recess (11).

6. A wireless reception nipple according to claim 1, wherein said second cover plate (14) is detachably connected to said second recess (13).

7. The wireless receiving nipple according to claim 1, characterized in that a third groove for accommodating a first data line is provided on the housing (1), and the slip ring (3) is in communication connection with the first electronic module (5) and the second electronic module (6) through the first data line, respectively.

8. The wireless receiving nipple according to claim 1, characterized in that a fourth groove for accommodating a second data line is provided on the housing (1), and the wet joint (2) is in communication connection with the first electronic module (5) and the second electronic module (6) through the second data line, respectively.

9. The wireless receiving nipple according to claim 1, characterized in that a fifth groove for accommodating the loop antenna (4) is provided on the housing (1), and the fifth groove is an annular groove.