CN214044238U

CN214044238U - Cable butt joint device for horizontal well logging

Info

Publication number: CN214044238U
Application number: CN202120270407.1U
Authority: CN
Inventors: 陈宏杰
Original assignee: Anshan Liming Petroleum Instrument Manufacturing Co ltd
Current assignee: Anshan Liming Petroleum Instrument Manufacturing Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-08-24
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a cable interfacing apparatus that horizontal well logging was used, concretely relates to cable interfacing apparatus field, including interfacing apparatus main part and cable, interfacing apparatus main part one end central point position is equipped with the butt joint inner chamber, the inner peripheral surface of butt joint inner chamber is equipped with waterproof pad, the butt joint inner chamber is equipped with the arc card in the one end of keeping away from waterproof pad, one side of arc card is equipped with the bearing, the arc card is equipped with sawtooth pattern card strip in the one end of keeping away from the bearing. The utility model discloses a reduce the various equipment that set up at the outer peripheral face of interfacing apparatus main part, the interfacing apparatus main part adopts the cylinder shape structure in the in-service use, and the logging instrument also adopts semi-circular structural design simultaneously, can reduce the possibility that interfacing apparatus blocked with the wall of a well, sets up simultaneously and can improve the waterproof nature of interfacing apparatus main part at a plurality of waterproof pads of butt joint inner chamber, holistic simple structure makes the dismantlement and the installation convenient and fast more of cable.

Description

Cable butt joint device for horizontal well logging

Technical Field

The utility model relates to a logging cable butt joint field, more specifically says, the utility model relates to a cable interfacing apparatus that horizontal well logging was used.

Background

Along with the continuous development of cables, equipment for various related cables is also continuously developed, the logging cables are applied in different aspects, different corresponding equipment is needed according to different requirements, a horizontal well is a challenge of a cable butt joint device for logging, along with the continuous development, the equipment for logging the horizontal well is also continuously developed and matured, but some problems still occur in the existing equipment, when the horizontal well is measured, a butt joint device main body of the logging instrument can be clamped with a well wall, the logging instrument cannot move, water enters the joint of the cable and the logging instrument to cause signal transmission failure, and the cable falling and the water entering the cable to cause signal transmission failure easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a cable interfacing apparatus that horizontal well logging was used, the utility model aims to solve the technical problem that: how to adjust the cable butting device to scrape the well wall and prevent the butting device from being waterproofed when the cable butting device moves underground.

In order to achieve the above object, the utility model provides a following technical scheme: a cable butt joint device for horizontal well logging comprises a butt joint device main body and a cable, wherein a butt joint inner cavity is arranged at the central point of one end of the butt joint device main body, the inner peripheral surface of the butt joint inner cavity is provided with a waterproof pad, one end of the butt joint inner cavity far away from the waterproof pad is provided with an arc-shaped clamping piece, one side of the arc-shaped clamping piece is provided with a bearing, one end of the arc-shaped clamping piece far away from the bearing is provided with a sawtooth-shaped clamping strip, the side surface of the butt joint device main body is provided with a first threaded hole and an inner pentagonal screw, the inner pentagonal screw passes through the first threaded hole to be rotatably connected with an arc-shaped clamping piece arranged in the butt joint inner cavity through a bearing, the butt joint device comprises a butt joint device body and is characterized in that a second threaded hole is formed in the center point of the butt joint device body far away from the end face of the butt joint inner cavity, a logging instrument is arranged at one end of the butt joint device body far away from the butt joint inner cavity, and a threaded rod is fixedly arranged at one end, close to the butt joint device body, of the logging instrument.

In a preferred embodiment, the number of the first threaded holes, the inner pentagonal screws, the bearings and the arc-shaped clamping pieces is two, and every two first threaded holes, the inner pentagonal screws, the bearings and the arc-shaped clamping pieces are arranged in axial symmetry with respect to a transverse central axis of the docking device body in the left-view direction.

In a preferred embodiment, the waterproof pads are arranged in a full circle on the inner circumferential surface of the docking cavity, the number of the waterproof pads is three, and three waterproof pad arrays are distributed inside the docking cavity.

In a preferred embodiment, the inner pentagonal screw and the first threaded hole and the threaded rod and the second threaded hole are matched through threads.

In a preferred embodiment, the arc-shaped clamping piece is fixedly connected with the outer ring of the bearing, the sawtooth-shaped clamping strips are arranged in a plurality and distributed on one side of the arc-shaped clamping piece in an array mode, and the internal pentagonal screw passes through the first threaded hole and then is fixedly connected with the inner ring of the bearing.

In a preferred embodiment, the docking device body and the docking cavity are both cylindrical in shape.

In a preferred embodiment, the arc-shaped clamping piece is matched with the outer peripheral surface of the cable in a locking state, and the inner ring of the waterproof pad is matched with the outer peripheral surface of the cable.

The utility model discloses a technological effect and advantage: insert the cable in the butt joint inner chamber in the butt joint device main part when logging well to the horizontal well, after the cable passes the waterproof pad of three-layer, with two interior pentagonal screw of the rotatory setting in the butt joint device main part outside of instrument, the arc card can be under the rotation of bearing and interior pentagonal screw is connected, move to inside, with the cable chucking, fix inside the butt joint main part device, the zigzag gib block that is equipped with simultaneously in the inboard of arc card makes the cable fix more stably, can prevent that the cable from droing in the pit, then threaded rod on the logging instrument passes through the screw thread fixation with the second screw hole and stabilizes, can play waterproof effect under the waterproof pad combined action of butt joint inner chamber inside.

Drawings

Fig. 1 is a front sectional view of the main body of the docking device of the present invention.

Fig. 2 is a sectional view of the main body and the cable connection structure of the docking device of the present invention.

Fig. 3 is a front view of the main body of the docking device of the present invention.

Fig. 4 is an enlarged view of a portion a of fig. 2 according to the present invention.

Fig. 5 is a structural view of the arc-shaped clamping piece and the inner pentagonal screw of the utility model.

The reference signs are: 1 butt joint device main part, 2 waterproof pad, 3 cable, 4 arc cards, 5 interior pentagon screws, 6 bearings, 7 zigzag card strip, 8 first screw hole, 9 logging instrument, 10 threaded rods, 11 butt joint inner chamber, 12 second screw hole.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The utility model provides a cable butt joint device for horizontal well logging as shown in figures 1-5, which comprises a butt joint device main body 1 and a cable 3, wherein a butt joint inner cavity 11 is arranged at the central point of one end of the butt joint device main body 1, a waterproof pad 2 is arranged on the inner circumferential surface of the butt joint inner cavity 11, an arc-shaped clamping sheet 4 is arranged at one end of the butt joint inner cavity 11 far away from the waterproof pad 2, a bearing 6 is arranged at one side of the arc-shaped clamping sheet 4, a sawtooth-shaped clamping strip 7 is arranged at one end of the arc-shaped clamping sheet 4 far away from the bearing 6, a first threaded hole 8 and an inner pentagonal screw 5 are arranged on the side surface of the butt joint device main body 1, the inner pentagonal screw 5 passes through the first threaded hole 8 to be rotatably connected with the arc-shaped clamping sheet 4 arranged in the butt joint inner cavity 11 through the bearing 6, a second threaded hole 12 is arranged at the central point of the end surface of the butt joint device main body 1 far away from the butt joint inner cavity 11, the main body of the docking device

1 is equipped with logging instrument 9 in the one end of keeping away from butt joint inner chamber 11, logging instrument 9 is being close to the fixed threaded rod 10 that is equipped with in the one end of butt joint device main part 1.

The quantity of first screw hole 8, interior pentagonal screw 5, bearing 6 and arc card 4 all has two, and per two first screw holes 8, interior pentagonal screw 5, bearing 6 and arc card 4 all are the axisymmetric setting about the horizontal central axis of the left side direction of looking of interfacing apparatus main part 1.

The inner peripheral surface of the waterproof pad 2 in the butt joint inner cavity 11 is arranged in a whole circle, the number of the waterproof pads 2 is three, and the three waterproof pads 2 are distributed in the butt joint inner cavity in an array mode.

Interior pentagon screw 5 all passes through screw thread looks adaptation with first screw hole 8, threaded rod 10 and second screw hole 12, through the adaptation relation of screw thread, improves the fixity and the stability that correspond the accessory.

The arc-shaped clamping pieces 4 are fixedly connected with the outer ring of the bearing 6, the sawtooth-shaped clamping strips 7 are arranged in a plurality and distributed on one side of the arc-shaped clamping pieces 4 in an array mode, and the inner pentagonal screw 5 penetrates through the first threaded hole 8 and then is fixedly connected with the inner ring of the bearing 6.

The butt joint device main body 1 and the butt joint inner cavity 11 are both cylindrical, so that the butt joint device main body 1 can move better when moving underground, and the device is prevented from being clamped when moving underground.

Arc card 4 and cable 3's outer peripheral face looks adaptation under locking state, the inner circle of waterproof pad 2 and cable 3's outer peripheral face looks adaptation can come out the better performance of waterproof, also can play the fixed action to cable 3 simultaneously.

The utility model discloses the theory of operation:

when measuring a horizontal well, a logging instrument 9 is matched and fixed with threads of a second threaded hole 12 on one side of a butt joint device body 1 through a threaded rod 10 arranged on the logging instrument 9, then the section position of a cable 3 is slowly inserted into a butt joint inner cavity 11, the cable 3 penetrates through an arc-shaped clamping piece 4, continues to penetrate into a waterproof pad 2 and is in contact with the logging instrument 9, then internal pentagonal screws 5 arranged on two sides of the butt joint device body 1 are screwed up by a tool, when the internal pentagonal screws 5 are screwed up and move inwards, the arc-shaped pulling piece 4 can also move inwards under the rotating connection of a bearing 6 and the internal pentagonal screws 5, the two arc-shaped clamping pieces 4 can slowly clamp the cable 3 when moving in an internal pentagonal screw box, and a saw arranged on the inner sides of the arc-shaped clamping pieces 4

The tooth-shaped clamping strip 7 can prevent the cable 3 from falling off in the borehole, and after the cable 3 is fixed, the butt joint device main body 1 with the cable 3 at the tail part extends into a horizontal well, so that logging operation can be started on the horizontal well.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cable docking device for horizontal well logging, comprising a docking device body (1) and a cable (3), characterized in that: a butt joint inner cavity (11) is arranged at the central point of one end of the butt joint device main body (1), a waterproof pad (2) is arranged on the inner circumferential surface of the butt joint inner cavity (11), an arc-shaped clamping piece (4) is arranged at one end, far away from the waterproof pad (2), of the butt joint inner cavity (11), a bearing (6) is arranged on one side of the arc-shaped clamping piece (4), a sawtooth-shaped clamping strip (7) is arranged at one end, far away from the bearing (6), of the arc-shaped clamping piece (4), a first threaded hole (8) and an inner pentagonal screw (5) are arranged on the side surface of the butt joint device main body (1), the inner pentagonal screw (5) penetrates through the first threaded hole (8) to be rotatably connected with the arc-shaped clamping piece (4) arranged in the butt joint inner cavity (11) through the bearing (6), a second threaded hole (12) is arranged at the central point, far away from the end surface of the butt joint inner cavity (11), of the butt joint device main body (1), the butt joint device is characterized in that a logging instrument (9) is arranged at one end, far away from the butt joint inner cavity (11), of the butt joint device body (1), and a threaded rod (10) is fixedly arranged at one end, close to the butt joint device body (1), of the logging instrument (9).

2. A wireline assembly for horizontal well logging according to claim 1, wherein: the quantity of first screw hole (8), interior pentagon screw (5), bearing (6) and arc card (4) all has two, and per two first screw hole (8), interior pentagon screw (5), bearing (6) and arc card (4) all are the axial symmetry setting about the horizontal central axis of butt joint device main part (1) left side direction of looking.

3. A wireline assembly for horizontal well logging according to claim 1, wherein: the inner peripheral surface of the waterproof pad (2) in the butt joint inner cavity (11) is arranged in a whole circle, the number of the waterproof pads (2) is three, and the three waterproof pads (2) are distributed in the butt joint inner cavity in an array mode.

4. A wireline assembly for horizontal well logging according to claim 1, wherein: the inner pentagonal screw (5) is matched with the first threaded hole (8) and the threaded rod (10) is matched with the second threaded hole (12) through threads.

5. A wireline assembly for horizontal well logging according to claim 1, wherein: arc card (4) and bearing (6) outer lane fixed connection, sawtooth pattern card strip (7) are equipped with a plurality ofly, and the array distributes in one side of arc card (4), interior pentagon screw (5) are in

After passing through the first threaded hole (8), the bearing is fixedly connected with the inner ring of the bearing (6).

6. A wireline assembly for horizontal well logging according to claim 1, wherein: the butt joint device main body (1) and the butt joint inner cavity (11) are both cylindrical.

7. A wireline assembly for horizontal well logging according to claim 1, wherein: the arc-shaped clamping piece (4) is matched with the outer peripheral surface of the cable (3) in a locking state, and the inner ring of the waterproof pad (2) is matched with the outer peripheral surface of the cable (3).