CN213928341U

CN213928341U - Guide shock-absorbing device for open hole logging instrument

Info

Publication number: CN213928341U
Application number: CN202023293958.4U
Authority: CN
Inventors: 华强; 陈志强; 陈辉; 方金川
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-10
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a guiding shock-absorbing device for an open hole logging instrument, which comprises an installation box, wherein a rolling groove is arranged on a connection base, the rolling groove is connected with a rotary disc, the rotary disc is fixedly provided with a rotary column, the rotary column is fixedly provided with a rotary blade, the rotary column is fixedly provided with a flexible hose, the flexible hose is fixedly provided with a mounting plate, the flexible hose is provided with a spring, the installation box is fixedly provided with a motor, the installation box is provided with a guiding auxiliary mechanism, when the logging instrument is blocked, gravity can enable the mounting plate to impact a well wall at the blocked position, impact force generated by the impact can enable the mounting plate to extrude the spring, the impact force can be reduced by means of elastic potential energy of the spring, the logging instrument is prevented from being damaged by the impact force, a first small electric telescopic rod and a second small electric telescopic rod are contracted, the motor is started, the rotary column is rotated by the motor, and the rotary blade is driven by the rotary column to rotate, the rotating blade is used for correcting the well wall at the position of resistance, so that the logging instrument can move downwards normally.

Description

Guide shock-absorbing device for open hole logging instrument

Technical Field

The utility model relates to an open hole well logging instrument field especially relates to an open hole well logging instrument is with guide seismic isolation device.

Background

Open hole well is a special vocabulary related to the aspect of oil and gas exploration and drilling, and in the drilling process, in order to keep the stratum of some special stratum sections in the original state, a casing is arranged at some special stratum positions in the drilling. Open hole means a well without casing.

In the well logging construction process of an oil open hole well, on one hand, the phenomenon that an instrument string meets resistance at a step in the well is easy to occur, the problem of resistance is solved mainly by a method of guide weighting and lengthening at present, but the method is only suitable for the condition of simpler well conditions, and when a well with more complex interior is faced, the problem of resistance meeting of the instrument string cannot be solved; on the other hand, when the instrument string enters the well, the instrument string can always move to the bottom of the well by virtue of gravity, and when the instrument string is blocked, a large impact force can be generated, so that the instrument can be easily failed or even damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a guide seismic isolation device for open hole logging instrument to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

the utility model provides a guide seismic isolation device for open hole logging instrument, includes the install bin, the install bin bottom has set firmly connection base, the last roll groove that is provided with of connection base, the inside rotation of roll inslot is connected with the carousel, the carousel bottom has set firmly the rotation post, it has set firmly a plurality of rotary blades to rotate the post surface, it has set firmly flexible hose to rotate the post bottom, the flexible hose bottom has set firmly the mounting panel, the inside a plurality of springs that is provided with of flexible hose, spring one end and rotation post rigid coupling, the spring other end and mounting panel rigid coupling, install bin inner chamber bottom inner wall has set firmly the motor box, the inside motor that has set firmly of motor box, the power output shaft through connection base of motor extends to roll inslot portion and carousel rigid coupling, the inside guide complementary unit that is provided with of install bin.

Preferably, the top of the installation box is fixedly provided with a connecting column, the top of the connecting column is fixedly provided with a connector, and the outer surface of the connector is provided with external threads.

Preferably, both sides all run through and are provided with first recess about the install bin, the inside rotor plate that is provided with of first recess, the rotor plate rotates with the install bin through the pivot to be connected, two the one side that the rotor plate deviates from all has set firmly second magnet, second magnet below is provided with first magnet, first magnet and install bin rigid coupling.

Preferably, guide complementary unit includes stand, first small-size electric telescopic handle, slide, slip pipe, universal wheel, adapter sleeve, second recess, the small-size electric telescopic handle of second, stand one end and install bin inner chamber top inner wall rigid coupling, the stand other end and motor box rigid coupling, the stand left and right sides has all set firmly the slide, slide top sliding connection has the slip pipe, the slip intraduct has set firmly first small-size electric telescopic handle, first small-size electric telescopic handle's flexible end is connected with the universal wheel through the adapter sleeve, be provided with the second recess on the stand, the inside symmetry of second recess has set firmly the small-size electric telescopic handle of two seconds, the flexible end and the slip pipe rigid coupling of the small-size electric telescopic handle of second.

Preferably, the first magnet and the second magnet are magnetically attracted to each other.

Preferably, the first small electric telescopic rod, the second small electric telescopic rod and the motor are all in wireless connection with the controller.

The utility model has the advantages that:

1. the utility model discloses a connector is connected the device with the logging instrument bottom, during logging, through external and first small-size electric telescopic handle, the small-size electric telescopic handle wireless connection's of second controller starts first small-size electric telescopic handle, the small-size electric telescopic handle of second, the flexible end of the small-size electric telescopic handle of second makes the sliding tube remove to the one end of keeping away from the stand, along with the sliding tube removes, the sliding tube makes the rotor plate upwards rotate, when the sliding tube removes the assigned position, first small-size electric telescopic handle drives the universal wheel and removes to the one end of keeping away from the stand, can make the universal wheel laminate with the wall of a well always through the flexible length of control universal wheel, can be fine guide logging instrument move down with the help of the universal wheel, reduce logging instrument and meet the probability of hindering.

2. When logging instrument meets and hinders, logging instrument and the device self gravity can make the mounting panel with meet and hinder the department wall of a well striking, the impact force that the striking produced can make mounting panel extrusion spring, can make the impact force reduce greatly with the help of the elastic potential energy of spring self, prevent that the impact force from leading to logging instrument to damage, the accessible makes first small-size electric telescopic handle afterwards, the shrink of the small-size electric telescopic handle of second, starter motor, the motor drives the carousel and rotates, the carousel drives the rotation post and rotates, the rotation post drives the rotating blade and rotates, revise the wall of a well that meets and hinder with the help of the rotating blade, make logging instrument can be normal move down.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1 according to the present invention;

reference numerals: 1-a connector; 2-external thread; 3-connecting a column; 4, mounting a box; 5-upright column; 6-motor box; 7-a motor; 8-a connection base; 9-rotating the groove; 10-a turntable; 11-a rotating blade; 12-a rotating column; 13-a flexible hose; 14-a spring; 15-mounting a plate; 16-a first small electric telescopic rod; 17-a slide plate; 18-a first magnet; 19-a second magnet; 20-a rotating plate; 21-a rotating shaft; 22-a first groove; 23-a sliding tube; 24-a universal wheel; 25-connecting sleeves; 26-a second groove; 27-a second small electric telescopic rod.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in the figure 1-2, a guiding and shock-absorbing device for an open hole logging instrument comprises a mounting box 4, a connecting column 3 is fixedly arranged at the top of the mounting box 4, first grooves 22 are formed in the left side and the right side of the mounting box 4 in a penetrating manner, rotating plates 20 are arranged in the first grooves 22 and rotatably connected with the mounting box 4 through rotating shafts 21, second magnets 19 are fixedly arranged on the opposite surfaces of the two rotating plates 20, first magnets 18 are arranged below the second magnets 19, the first magnets 18 are fixedly connected with the mounting box 4, a connector 1 is fixedly arranged at the top of the connecting column 3, external threads 2 are arranged on the outer surface of the connector 1, a connecting base 8 is fixedly arranged at the bottom of the mounting box 4, a rolling groove 9 is arranged on the connecting base 8, a rotating disc 10 is rotatably connected in the rolling groove 9, a rotating column 12 is fixedly arranged at the bottom of the rotating disc 10, a plurality of rotating blades 11 are fixedly arranged on the surface of the rotating column 12, a telescopic hose 13 is fixedly arranged at the bottom of the rotating column 12, the bottom of the flexible hose 13 is fixedly provided with an installation plate 15, a plurality of springs 14 are arranged inside the flexible hose 13, one end of each spring 14 is fixedly connected with the rotating column 12, the other end of each spring 14 is fixedly connected with the installation plate 15, the inner wall of the bottom of the inner cavity of the installation box 4 is fixedly provided with a motor box 6, a motor 7 is fixedly arranged inside the motor box 6, a power output shaft of the motor 7 penetrates through the connection base 8 and extends into the rolling groove 9 to be fixedly connected with the rotary table 10, a guide auxiliary mechanism is arranged inside the installation box 4 and comprises a stand column 5, a first small electric telescopic rod 16, a sliding plate 17, a sliding pipe 23, a universal wheel 24, a connecting sleeve 25, a second groove 26 and a second small electric telescopic rod 27, one end of the stand column 5 is fixedly connected with the inner wall of the top of the inner cavity of the installation box 4, the other end of the stand column 5 is fixedly connected with the motor box 6, the sliding plates 17 are fixedly arranged on the left side and the right side of the stand column 5, and the top of the sliding pipe 23 is connected with the sliding pipe 23 in a sliding way, the inside first small-size electric telescopic handle 16 that has set firmly of slip pipe 23, the flexible end of first small-size electric telescopic handle 16 is connected with universal wheel 24 through adapter sleeve 25, be provided with second recess 26 on the stand 5, the inside symmetry of second recess 26 has set firmly two small-size electric telescopic handle 27 of second, the flexible end and the slip pipe 23 rigid coupling of the small-size electric telescopic handle 27 of second,

first magnet

18, 19 magnetism of second magnet attract mutually, first small-size electric telescopic handle 16, the small-size electric telescopic handle 27 of second, motor 7 all with controller wireless connection.

The working principle is as follows: connect the device with the logging instrument bottom through connector 1 and be connected, during the logging, through external and first small-size electric telescopic handle 16, the first small-size electric telescopic handle 16 of the small-size electric telescopic handle 27 wireless connection's of second controller start, the small-size electric telescopic handle 27 of second, the flexible end of the small-size electric telescopic handle 27 of second makes the sliding tube 23 remove to the one end of keeping away from stand 5, along with the sliding tube 23 removes, the sliding tube 23 makes rotor plate 20 upwards rotate, when the sliding tube 23 removed the assigned position, first small-size electric telescopic handle 6 drives universal wheel 24 and removes to the one end of keeping away from stand 5, can make universal wheel 24 laminate with the wall of a well always through the flexible length of control universal wheel 24, with the help of universal wheel 24 can be fine guide logging instrument downstream, reduce logging instrument and meet the probability of hindering.

When logging instrument meets and hinders, logging instrument and the device self gravity can make mounting panel 15 and meet and hinder the department wall of a well striking, the impact force that the striking produced can make mounting panel 15 extrude spring 14, can make the impact force reduce greatly with the help of the elastic potential energy of spring 14 self, prevent that the impact force from leading to logging instrument to damage, the accessible makes first small-size electric telescopic handle 16 afterwards, the shrink of second small-size electric telescopic handle 27, starter motor 7, motor 7 drives carousel 10 and rotates, carousel 10 drives rotation post 12 and rotates, rotation post 12 drives the rotating blade 11 and rotates, revise the wall of a well that meets and hinder with the help of rotating blade 11, make logging instrument can normally move down.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an open hole logging instrument is with guide seismic isolation device, includes install bin (4), its characterized in that: install bin (4) bottom has set firmly connection base (8), be provided with on connection base (8) roll groove (9), roll groove (9) internal rotation is connected with carousel (10), carousel (10) bottom has set firmly rotation post (12), it has set firmly a plurality of spinning blade (11) to rotate post (12) surface, it has set firmly expansion hose (13) to rotate post (12) bottom, expansion hose (13) bottom has set firmly mounting panel (15), expansion hose (13) inside is provided with a plurality of springs (14), spring (14) one end and rotation post (12) rigid coupling, spring (14) other end and mounting panel (15) rigid coupling, install bin (4) inner chamber bottom inner wall has set firmly motor box (6), motor box (6) inside has set firmly motor (7), the power output shaft of motor (7) runs through connection base (8) and extends to roll groove (9) inside and carousel (10) ) The installation box (4) is internally provided with a guide auxiliary mechanism.

2. The guiding and shock absorbing device for an open hole logging instrument of claim 1, wherein: install bin (4) top has set firmly spliced pole (3), spliced pole (3) top has set firmly connector (1), connector (1) surface is provided with external screw thread (2).

3. The guiding and shock absorbing device for an open hole logging instrument of claim 1, wherein: install bin (4) the left and right sides all runs through and is provided with first recess (22), first recess (22) inside is provided with rotor plate (20), rotor plate (20) rotate with install bin (4) through pivot (21) and are connected, two the one side that rotor plate (20) deviates from mutually all has set firmly second magnet (19), second magnet (19) below is provided with first magnet (18), first magnet (18) and install bin (4) rigid coupling.

4. The guiding and shock absorbing device for an open hole logging instrument of claim 1, wherein: the guide auxiliary mechanism comprises a stand column (5), a first small electric telescopic rod (16), a sliding plate (17), a sliding pipe (23), a universal wheel (24), a connecting sleeve (25), a second groove (26) and a second small electric telescopic rod (27), one end of the stand column (5) is fixedly connected with the inner wall of the top of an inner cavity of the installation box (4), the other end of the stand column (5) is fixedly connected with a motor box (6), the sliding plate (17) is fixedly arranged on the left side and the right side of the stand column (5), the sliding pipe (23) is slidably connected with the top of the sliding plate (17), the first small electric telescopic rod (16) is fixedly arranged inside the sliding pipe (23), the telescopic end of the first small electric telescopic rod (16) is connected with the universal wheel (24) through the connecting sleeve (25), the second groove (26) is arranged on the stand column (5), and two second small electric telescopic rods (27) are symmetrically and fixedly arranged inside the second groove (26), the telescopic end of the second small electric telescopic rod (27) is fixedly connected with the sliding pipe (23).

5. The guiding and shock absorbing device for an open hole logging instrument of claim 3, wherein: the first magnet (18) and the second magnet (19) are magnetically attracted.

6. The guiding and shock absorbing device for an open hole logging instrument as recited in claim 4, wherein: the first small electric telescopic rod (16), the second small electric telescopic rod (27) and the motor (7) are all in wireless connection with the controller.