CN217300564U

CN217300564U - While-drilling azimuth acoustic logging device

Info

Publication number: CN217300564U
Application number: CN202220317661.7U
Authority: CN
Inventors: 周莉
Original assignee: Chongqing Bc Sonic Far Technology Technology Co ltd
Current assignee: Chongqing Bc Sonic Far Technology Technology Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-08-26
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a while-drilling azimuth acoustic logging device, which relates to the technical field of while-drilling logging, and comprises a ground surface, a drilling hole, mud and a drill collar, wherein the drilling hole is arranged on the surface of the ground surface, the mud is filled into the drilling hole, the drill collar is arranged in the drilling hole, the drill collar is internally provided with an acoustic insulation pipe, the while-drilling azimuth acoustic logging device slides upwards under the limit of a limit groove along with the movement of a limit block, so that a push rod slides out from the internal part of a built-in groove, and a clamping ball is clamped into the internal part of a clamping groove, the acoustic insulation pipe, a transmitting transducer and a receiving transducer are mounted, when the acoustic insulation pipe needs to be replaced, only a threaded rod needs to be rotated reversely, the limit block and the push rod reset, the clamping ball is separated from the internal part of the clamping groove, and the acoustic insulation pipe, the transmitting transducer and the receiving transducer are dismounted, thereby facilitating the replacement thereof.

Description

While-drilling azimuth acoustic logging device

Technical Field

The utility model relates to a well logging while drilling technical field, in particular to along with boring position sound wave logging device.

Background

In recent years, with the increase of the demand of global industry on petroleum, drilling of highly deviated wells and horizontal wells in petroleum exploration is increasingly active, logging-while-drilling technology is rapidly developed, and almost all open hole cable logging projects can be performed by using a logging-while-drilling mode. The acoustic logging while drilling technology is one of the important methods in the logging while drilling technology, and has the characteristic of simultaneous drilling and logging.

The patent with application number CN201520212566.0 discloses a while-drilling acoustic logging device, in this technical scheme through using the drill collar, transmitting transducer, receiving transducer, the cooperation of structures such as sound insulator, solve prior art, while-drilling acoustic logging instrument adopts monopole and dipole mode of operation usually, monopole logging can't obtain the transverse wave information in soft stratum, the dipole is as the sound source, dipole wave and drill collar wave are easy to overlap, cause the interference to dipole wave, the problem of unable accurate measurement to the stratum information, but transmitting transducer and receiving transducer set up the inside of drill collar in this technical scheme, consequently when the transducer produces the damage, can't carry out quick dismantlement change and installation to it, and then increased the loaded down with trivial details step when operating personnel changed, increased operating personnel's intensity of labour simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide an along with boring azimuth sound wave logging device, can solve when the transducer produces the damage, can't carry out quick dismantlement change and installation to it, and then increased the loaded down with trivial details step when operating personnel changes, increased operating personnel's intensity of labour's problem simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a along with boring position acoustic logging device, includes earth's surface, drilling, mud and drill collar, drilling is seted up on the surface on earth's surface, and the inside of drilling is irritated to mud, and the drill collar setting is in the inside of drilling, and the inside of drill collar is provided with the sound insulation pipe, and the upper end swing joint of sound insulation pipe has the tube cap, is provided with quick dismouting mechanism on the tube cap.

Preferably, the inside lower extreme of sound insulation pipe is provided with transmitting transducer, and the upper end of sound insulation pipe is provided with receiving transducer, and the lower extreme threaded connection of sound insulation pipe has the sealing plug, and the inside fixed connection of sound insulation pipe has the acoustic celotex board for the splayed, and the inside packing of sound insulation pipe has the mixed material that gives sound insulation.

Preferably, quick assembly disassembly mechanism includes the threaded rod of threaded connection on the tube cap, and the inside of tube cap is provided with the cavity, and the threaded rod extends to the inside of cavity, and the lower extreme of threaded rod rotates and is connected with the movable block.

Preferably, the surface of the pipe cover is provided with an internal groove, the internal groove is connected with a push rod extending into the cavity in a sliding manner, one end of the push rod, far away from the cavity, is fixedly connected with a clamping ball, the clamping ball is connected with the internal groove in a sliding manner, and the inner wall of the drill collar is provided with a clamping groove matched with the clamping ball.

Preferably, the surface of the moving block is provided with a pushing groove, the push rod is slidably connected inside the pushing groove, an inclined limiting groove is formed in the inner wall of the pushing groove, a limiting block is slidably connected inside the limiting groove, and the limiting block is fixedly connected to the push rod.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this along with boring position acoustic logging device, sliding connection through the push rod stopper that sets up and spacing groove, when needs are installed the sound insulation pipe, put into the inside of drill collar with the sound insulation pipe, the threaded rod rotates this moment, the rotation of threaded rod makes the movable block at the inside downstream of cavity, along with the removal stopper of movable block upwards slides under the restriction of spacing groove, consequently make the inside roll-off of push rod follow built-in groove, and then make card ball card go into the inside of draw-in groove, consequently, accomplish the installation to sound insulation pipe and transmitting transducer and receiving transducer, when needs change it, only need the counter-rotating threaded rod, make stopper and push rod reset, consequently, make the card ball break away from the inside of draw-in groove, and then accomplish the dismantlement to sound insulation pipe and transmitting transducer and receiving transducer, and then conveniently change it.

(2) This along with boring position acoustic logging device makes the inside of sound insulation pipe form a plurality of cavitys through the acoustic celotex board that sets up, cooperates sound-proof material simultaneously, consequently makes sound insulation pipe possess good syllable-dividing noise reduction effect, can the at utmost avoid the interference that external noise caused transmitting transducer and receiving transducer, consequently guarantee the normal monitoring to well inside, consequently ensure the accuracy of monitoring data, avoid its production error phenomenon.

(3) This along with boring position acoustic logging device through the tube cap and the sealed lid that set up, consequently dismantles it from the sound insulation pipe, and then convenient takes out transmitting transducer and receiving transducer from the inside of sound insulation pipe, consequently changes it.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of an while-drilling azimuth acoustic logging device according to the present invention;

FIG. 2 is a schematic view of a drill collar of the present invention;

FIG. 3 is a schematic front view of the drill collar and the earth's surface;

FIG. 4 is a schematic front view of the sound insulation pipe of the present invention;

fig. 5 is a schematic diagram of the moving block of the present invention.

Reference numerals: 1. the earth surface; 2. drilling; 3. slurry; 4. a drill collar; 5. a sound-insulating tube; 501. a sound insulating panel; 502. a sound-insulating mixed material; 503. a sealing plug; 6. a tube cover; 601. a cavity; 602. a threaded rod; 603. a moving block; 604. a built-in groove; 605. a push rod; 606. blocking the ball; 607. a push groove; 608. A limiting groove; 609. a limiting block; 7. a transmitting transducer; 8. a receiving transducer.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a along with boring position acoustic logging device, includes earth's surface 1, drilling 2, mud 3 and drill collar 4, and drilling 2 is seted up on the surface of earth's surface 1, and the inside of drilling 2 is irritated into mud 3, and drill collar 4 sets up the inside at drilling 2, and the inside of drill collar 4 is provided with sound insulation pipe 5, and the upper end swing joint of sound insulation pipe 5 has tube cap 6, is provided with quick dismouting mechanism on tube cap 6.

Further, a transmitting transducer 7 is arranged at the lower end inside the sound insulation pipe 5, a receiving transducer 8 is arranged at the upper end of the sound insulation pipe 5, and a sealing plug 503 is connected to the lower end of the sound insulation pipe 5 in a threaded mode.

Through the arrangement of the pipe cover 6 and the sealing cover 503, the sound insulation pipe 5 is detached, and the transmitting transducer 7 and the receiving transducer 8 are conveniently taken out from the interior of the sound insulation pipe 5 and are replaced.

Further, a sound insulation plate 501 having a splayed shape is fixedly connected to the inside of the sound insulation pipe 5, and the sound insulation mixed material 502 is filled in the inside of the sound insulation pipe 5.

Make sound insulation pipe 5's inside form a plurality of cavitys through the acoustic celotex board 501 that sets up, cooperation sound-proof material 502 simultaneously, consequently make sound insulation pipe 5 possess good syllable-dividing noise reduction effect, the interference that can furthest's the external noise of avoiding causes transmitting transducer 7 and receiving transducer 8, consequently ensure the normal monitoring to well inside, consequently ensure the accuracy of monitoring data, avoid its production error phenomenon.

Further, quick assembly disassembly mechanism includes threaded rod 602 on tube cap 6 of threaded connection, and the inside of tube cap 6 is provided with cavity 601, and threaded rod 602 extends to the inside of cavity 601, and the lower extreme of threaded rod 602 rotates and is connected with movable block 603.

The surface of the pipe cover 6 is provided with an internal groove 604, the internal part of the internal groove 604 is connected with a push rod 605 extending into the cavity 601 in a sliding manner, one end of the push rod 605 far away from the cavity 601 is fixedly connected with a clamping ball 606, the clamping ball 606 is connected with the internal groove 604 in a sliding manner, and the inner wall of the drill collar 4 is provided with a clamping groove 401 matched with the clamping ball 606.

Furthermore, a pushing groove 607 is formed in the surface of the moving block 603, the push rod 605 is slidably connected inside the pushing groove 607, an inclined limiting groove 608 is formed in the inner wall of the pushing groove 607, a limiting block 609 is slidably connected inside the limiting groove 608, and the limiting block 609 is fixedly connected to the push rod 605.

Through the sliding connection of the arranged push rod limiting block 609 and the limiting groove 608, when the sound insulation pipe 5 needs to be installed, the sound insulation pipe 5 is placed in the drill collar 4, at the moment, the threaded rod 602 is rotated, the rotation of the threaded rod 602 enables the moving block 603 to move downwards in the cavity 601, at the moment, the limiting block 609 slides upwards under the limitation of the limiting groove 608 along with the movement of the moving block 603, so that the push rod 605 slides out of the inner groove 604, and the clamping ball 606 is clamped in the clamping groove 401, and therefore, the installation of the sound insulation pipe 5, the transmitting transducer 7 and the receiving transducer 8 is completed, when the sound insulation pipe needs to be replaced, only the threaded rod 602 needs to be rotated reversely, so that the limiting block 609 and the push rod 605 reset, and the clamping ball 606 is separated from the inner part of the clamping groove 401, and then the sound insulation pipe 5, the transmitting transducer 7 and the receiving transducer 8 are disassembled, thereby facilitating the replacement thereof.

The working principle is as follows: through the sliding connection of the arranged push rod limiting block 609 and the limiting groove 608, when the sound insulation pipe 5 needs to be installed, the sound insulation pipe 5 is placed in the drill collar 4, at the moment, the threaded rod 602 is rotated, the moving block 603 moves downwards in the cavity 601 due to the rotation of the threaded rod 602, and slides upwards under the limitation of the limiting groove 608 along with the moving limiting block 609 of the moving block 603, so that the push rod 605 slides out of the inner groove 604, and the clamping ball 606 is clamped in the clamping groove 401, and therefore, the installation of the sound insulation pipe 5, the transmitting transducer 7 and the receiving transducer 8 is completed, when the sound insulation pipe needs to be replaced, only the threaded rod 602 needs to be rotated reversely, so that the limiting block 609 and the push rod 605 reset, and the clamping ball 606 is separated from the inner part of the clamping groove 401, and then the sound insulation pipe 5, the transmitting transducer 7 and the receiving transducer 8 are disassembled, thereby facilitating the replacement thereof.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a along with boring position acoustic logging device, includes earth's surface (1), drilling (2), mud (3) and drill collar (4), its characterized in that: the drilling hole (2) is arranged on the surface of the earth surface (1), the slurry (3) is poured into the drilling hole (2), the drill collar (4) is arranged in the drilling hole (2), the sound insulation pipe (5) is arranged in the drill collar (4), the upper end of the sound insulation pipe (5) is movably connected with a pipe cover (6), and the pipe cover (6) is provided with a quick dismounting mechanism.

2. The while-drilling azimuthal acoustic logging device of claim 1, wherein: the acoustic pipe is characterized in that a transmitting transducer (7) is arranged at the lower end inside the acoustic pipe (5), a receiving transducer (8) is arranged at the upper end of the acoustic pipe (5), and a sealing plug (503) is connected to the lower end of the acoustic pipe (5) in a threaded mode.

3. The while-drilling azimuthal acoustic logging device of claim 1, wherein: the inside fixed connection of sound insulation pipe (5) is for the acoustic celotex board (501) of splayed, and the inside packing of sound insulation pipe (5) has syllable-dividing mixed material (502).

4. The while-drilling azimuthal acoustic logging device of claim 1, wherein: quick assembly disassembly mechanism includes threaded rod (602) of threaded connection on tube cap (6), and the inside of tube cap (6) is provided with cavity (601), and threaded rod (602) extend to the inside of cavity (601), and the lower extreme of threaded rod (602) is rotated and is connected with movable block (603).

5. The while drilling azimuthal acoustic logging device of claim 4, wherein: the surface of the pipe cover (6) is provided with a built-in groove (604), the inside of the built-in groove (604) is connected with a push rod (605) extending to the inside of the cavity (601) in a sliding mode, one end, far away from the cavity (601), of the push rod (605) is fixedly connected with a clamping ball (606), the clamping ball (606) is connected with the built-in groove (604) in a sliding mode, and the inner wall of the drill collar (4) is provided with a clamping groove (401) matched with the clamping ball (606) mutually.

6. The while drilling azimuthal acoustic logging device of claim 5, wherein: the surface of the moving block (603) is provided with a pushing groove (607), the push rod (605) is connected inside the pushing groove (607) in a sliding manner, the inner wall of the pushing groove (607) is provided with a limiting groove (608) in an inclined manner, the inside of the limiting groove (608) is connected with a limiting block (609) in a sliding manner, and the limiting block (609) is fixedly connected to the push rod (605).