CN215732444U

CN215732444U - Horizontal well logging cable butt joint device

Info

Publication number: CN215732444U
Application number: CN202121923091.8U
Authority: CN
Inventors: 谢志刚; 钟飞; 唐孝波
Original assignee: Sichuan Zhaohong Oil And Gas Field Technology Co ltd
Current assignee: Sichuan Zhaohong Oil And Gas Field Technology Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-02-01
Anticipated expiration: 2031-08-17

Abstract

The utility model relates to the technical field of oilfield horizontal well logging, and discloses a horizontal well logging cable butt joint device which comprises a female head seat, wherein a female slot is formed in the center of the front end of the female head seat, an annular groove is formed in the outer side of the front end of the female head seat, a first sealing ring is arranged at the bottom of the annular groove, a sliding groove is formed in the inner side wall of the annular groove, a clamping rod is connected to the inner wall of the sliding groove in a sliding manner, a moving plate is welded at the end of the clamping rod, a spring is arranged on one side of the moving plate, the moving plate and the spring are arranged in a rear inner cavity of the female head seat, a clamping groove is formed in the side wall of the upper portion of the sliding groove, a clamping block is clamped on the inner wall of the clamping groove, a clamping ring is fixedly connected to the bottom end of the clamping rod and is inserted into the annular groove, a male head seat is fixedly connected to the center of the top of the male head seat, a male plug is inserted into the female slot, and a second sealing ring is arranged at the top of the male head seat between the clamping ring and the male plug, make things convenient for the dismouting, improve and connect waterproof nature.

Description

Horizontal well logging cable butt joint device

Technical Field

The utility model belongs to the technical field of horizontal well logging of oil fields, and particularly relates to a horizontal well logging cable butt joint device.

Background

The logging cable is used for logging, perforating, coring and other operations of various oil wells and gas wells, can also be used for water conservancy hydrological measurement, coal field geological exploration, geothermal logging and other aspects, and is a connecting wire for hanging heavy connection and transmitting measurement data between a ground system and an underground instrument.

The existing horizontal well logging cable butt joint device can not stably fix a cable and a logging instrument in a butt joint process, so that the cable and the logging instrument are easy to fall off in the logging process, and are inconvenient to install and disassemble, the efficiency of measurement work is influenced, and the horizontal well logging cable butt joint device is provided for solving the problem provided by the scheme.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems, the horizontal well logging cable butt joint device is provided.

The technical scheme adopted by the utility model is as follows: a horizontal well logging cable butt joint device comprises a female head seat, wherein a female slot is formed in the center of the front end of the female head seat, a ring groove is formed in the outer side of the front end of the female head seat, a first sealing ring is arranged at the bottom of the ring groove, a sliding groove is formed in the inner side wall of the ring groove, a clamping rod is connected to the inner wall of the sliding groove in a sliding mode, a moving plate is welded at the end of the clamping rod, a pull rod is welded on the outer side wall of the moving plate, a spring is arranged on one side of the moving plate, the moving plate and the spring are arranged in the inner cavity of the rear portion of the female head seat, a clamping groove is formed in the side wall of one side of the upper portion of the sliding groove, a clamping block is clamped on the inner wall of the clamping groove, a clamping ring is fixedly connected to the bottom end of the clamping block and is inserted into the ring groove, a male head seat is fixedly connected to the bottom of the clamping ring, and a male plug is fixedly connected to the center of the top of the male head seat, the male plug is inserted in the female slot, and a second sealing ring is arranged between the snap ring and the male plug at the top of the male head seat.

In a preferred embodiment, the number of the sliding grooves and the number of the clamping grooves are four, and the two combined structures are arranged at the front end of the nut seat in a 90-degree manner.

In a preferred embodiment, the number of the clamping rods is four, every two clamping rods are arranged on the moving plate in an angle of 90 degrees, and the diameter of the outer wall of each clamping rod is matched with the diameter of the inner wall of the sliding groove.

In a preferred embodiment, the number of the fixture blocks is four, and every two fixture blocks are arranged on the outer wall of the clamping ring at 90 degrees.

In a preferred embodiment, the groove width of the annular groove is adapted to the thickness of the snap ring, the shape and the size of the cross section of the middle part of the fixture block are adapted to the shape and the size of the cross section of the sliding groove, and the shape and the size of the vertical section of the middle part of the fixture block are adapted to the shape and the size of the vertical section of the snap groove.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the clamping block on the clamping ring is inserted into the sliding groove on the female head seat, the clamping rod in the sliding groove is extruded inwards to slide backwards, when the clamping block reaches a position parallel to the clamping groove, the male head seat is rotated to clamp the clamping block into the clamping groove, at the moment, the clamping rod returns under the action of the spring to block the clamping block, so that the male plug is quickly connected with the female insertion groove, and meanwhile, the clamping rod is pushed to the rear part of the clamping groove only by pulling the pull rod backwards, so that the male head seat can be quickly disassembled by reversely rotating the male head seat, the use is convenient, and the connection is stable.

2. According to the utility model, the snap ring is inserted into the annular groove, the first sealing ring at the bottom of the annular groove is used for forming the first waterproof sealing line, and the second sealing ring arranged between the male plug and the snap ring is used for forming the second waterproof sealing line, so that the waterproofness of the connecting structure is improved, and the short circuit of the connection is prevented.

Drawings

FIG. 1 is a schematic diagram of the front external structure of the present invention;

FIG. 2 is a schematic diagram of the front view internal structure of the present invention;

FIG. 3 is a schematic three-dimensional view of a connection structure of a male socket according to the present invention;

FIG. 4 is a schematic plan view of the front end structure of the male and female headstock of the present invention;

FIG. 5 is a schematic three-dimensional view of a front sliding slot of a headstock of the present invention;

FIG. 6 is a schematic perspective view of a connecting structure of the movable plate according to the present invention;

fig. 7 is a schematic three-dimensional view of the structure of the chute and the slot in the utility model.

The labels in the figure are: 1-a female head seat, 2-a female slot, 3-an annular groove, 4-a first sealing ring, 5-a chute, 6-a clamping rod, 7-a moving plate, 8-a pull rod, 9-a spring, 10-a clamping groove, 11-a clamping block, 12-a clamping ring, 13-a male head seat, 14-a male plug and 15-a second sealing ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A horizontal well logging cable docking device according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 7.

The horizontal well logging cable butt joint device provided by the embodiment of the utility model is shown in figures 1-4, and comprises a mother head seat 1, wherein the outer side of the front end of the mother head seat 1 is provided with an annular groove 3, the inner side wall of the annular groove 3 is provided with a sliding groove 5, the inner wall of the sliding groove 5 is connected with a clamping rod 6 in a sliding manner, the clamping rod 6 is used for blocking the clamping block 11 so that the clamping block 11 is not separated from a clamping groove 10, the end of the clamping rod 6 is welded with a movable plate 7, the outer side wall of the movable plate 7 is welded with a pull rod 8, one side of the movable plate 7 is provided with a spring 9, the clamping rod 6 is prevented from moving backwards by the elasticity of the spring 9 so as to ensure the connection stability, the movable plate 7 and the spring 9 are arranged in the rear inner cavity of the mother head seat 1, the side wall of the upper part of the sliding groove 5 is provided with the clamping groove 10, the inner wall of the clamping block 11 is clamped on the clamping groove 10, and the shape and the size of the middle cross section of the clamping block 11 are matched with the shape and the size of the cross section of the sliding groove 5, the shape and the size of the middle vertical section of the clamping block 11 are matched with the shape and the size of the vertical section of the clamping groove 10, the clamping ring 12 is fixedly connected to the bottom end of the clamping block 11, the groove width of the annular groove 3 is matched with the thickness of the clamping ring 12, the clamping ring 12 is inserted into the annular groove 3, the bottom of the clamping ring 12 is fixedly connected with the male head seat 13, the clamping block 11 on the clamping ring 12 is inserted into the sliding groove 5 on the female head seat 1 through the structure, then the male head seat 13 is rotated, the clamping block 11 is clamped into the clamping groove 10, the clamping rod 6 returns under the action of the spring 9 at the moment, the clamping block 11 is blocked, the male plug 14 is rapidly connected with the female insertion groove 2, the structure is stable in connection, the connecting structure can be rapidly detached and installed, and the use is convenient.

Referring to fig. 6, the number of the clamping rods 6 is four, two clamping rods are arranged on the moving plate 7 at 90 degrees, and the diameter of the outer wall of each clamping rod 6 is matched with the diameter of the inner wall of the sliding groove 5.

Referring to fig. 4 to 7, the number of the sliding grooves 5 and the clamping grooves 10 is four, two of the formed structures are 90 degrees and are arranged at the front end of the head seat 1, the number of the clamping blocks 11 is four, two of the clamping blocks are 90 degrees and are arranged on the outer wall of the clamping ring 12, and the four clamping blocks 11 and the clamping grooves 10 are used to enable connection to be more stable, so that connection strength is improved.

Referring to fig. 2, a female slot 2 is formed in the center of the front end of the female socket 1, a male plug 14 is fixedly connected to the center of the top of the male socket 13, the male plug 14 is inserted into the female slot 2, and the female slot 2 is connected with the male plug 14 to connect a circuit.

Referring to fig. 2, a first sealing ring 4 is disposed at the bottom of the annular groove 3, a first waterproof sealing line is formed by the first sealing ring 4 at the bottom of the annular groove 3, a second sealing ring 15 is disposed at the top of the male head seat 13 between the snap ring 12 and the male plug 14, and a second waterproof sealing line is formed by the second sealing ring 15 disposed between the male plug 14 and the snap ring 12, so that the waterproof performance of the connection structure is improved.

The application principle of the horizontal well logging cable butt joint device is as follows: the clamping block 11 on the clamping ring 12 is inserted into the sliding groove 5 on the female head seat 1, the clamping rod 6 in the sliding groove 5 is extruded mutually and slides backwards, when the clamping block 11 reaches a position parallel to the clamping groove 10, the male head seat 13 is rotated, the clamping block 11 is clamped into the clamping groove 10, the clamping rod 6 returns under the action of the spring 9 at the moment to block the clamping block 11, so that the male plug 14 is quickly connected with the female insertion groove 2, after the connection is completed, a first waterproof sealing line is formed by using the first sealing ring 4 at the bottom of the annular groove 3, meanwhile, a second waterproof sealing line is formed by using the second sealing ring 15 arranged between the male plug 14 and the clamping ring 12, the connection waterproofness is improved, when the disassembly is needed, the pulling rod 8 is pulled backwards to drive the movable plate 7 to move backwards, the clamping rod 6 is pushed to the rear part of the clamping groove 10, and the quick disassembly can be realized by reversely rotating the male head seat 13.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a horizontal well logging cable interfacing apparatus, includes headstock (1), its characterized in that: a female slot (2) is formed in the center of the front end of the female head seat (1), an annular groove (3) is formed in the outer side of the front end of the female head seat (1), a first sealing ring (4) is arranged at the bottom of the annular groove (3), a sliding groove (5) is formed in the inner side wall of the annular groove (3), a clamping rod (6) is connected to the inner wall of the sliding groove (5) in a sliding mode, a moving plate (7) is welded to the end of the clamping rod (6), a pull rod (8) is welded to the outer side wall of the moving plate (7), a spring (9) is arranged on one side of the moving plate (7), the moving plate (7) and the spring (9) are arranged in the inner cavity of the rear portion of the female head seat (1), a clamping groove (10) is formed in the side wall of one side of the upper portion of the sliding groove (5), a clamping block (11) is clamped to the inner wall of the clamping groove (10), and a clamping ring (12) is fixedly connected to the bottom end of the clamping block (11), the clamping ring (12) is inserted into the annular groove (3), the bottom of the clamping ring (12) is fixedly connected with a male head seat (13), the top center of the male head seat (13) is fixedly connected with a male plug (14), the male plug (14) is inserted into the female slot (2), and a second sealing ring (15) is arranged between the clamping ring (12) and the male plug (14) at the top of the male head seat (13).

2. The horizontal well logging cable docking device of claim 1, wherein: the number of the sliding grooves (5) and the number of the clamping grooves (10) are four, and the formed structures are arranged at the front end of the female head seat (1) in a 90-degree mode in pairs.

3. The horizontal well logging cable docking device of claim 1, wherein: the number of the clamping rods (6) is four, every two clamping rods are arranged on the movable plate (7) at 90 degrees, and the diameter of the outer wall of each clamping rod (6) is matched with the diameter of the inner wall of the sliding groove (5).

4. The horizontal well logging cable docking device of claim 1, wherein: the number of the clamping blocks (11) is four, and every two clamping blocks are arranged on the outer wall of the clamping ring (12) at 90 degrees.

5. The horizontal well logging cable docking device of claim 1, wherein: the groove width of the annular groove (3) is matched with the thickness of the clamping ring (12), the shape and the size of the cross section of the middle part of the clamping block (11) are matched with the shape and the size of the cross section of the sliding groove (5), and the shape and the size of the vertical cross section of the middle part of the clamping block (11) are matched with the shape and the size of the vertical cross section of the clamping groove (10).