CN213928340U

CN213928340U - Directional well casing damage electromagnetic detection device

Info

Publication number: CN213928340U
Application number: CN202023244426.1U
Authority: CN
Inventors: 岳峰; 崔叶; 张放; 苏卜栋
Original assignee: Karamay Siwei Petroleum Technology Co ltd
Current assignee: Karamay Siwei Petroleum Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-10
Anticipated expiration: 2030-12-29

Abstract

The utility model belongs to the technical field of directional well casing loss detection, especially, be a directional well casing loss electromagnetic detection device, including the casing that has hollow structure, casing top end face central point puts the fixedly connected with first servo motor, the main shaft of first servo motor runs through the casing and extends to the inboard of casing, the first servo motor top is provided with the link, link and casing fixed connection, link top end face central point puts the fixedly connected with cable joint, the main shaft end fixedly connected with first bevel gear of first servo motor; a first servo motor rotates to drive a first bevel gear to rotate, the first bevel gear is meshed with a second bevel gear, and a screw rod is driven to rotate through the second bevel gear, so that a moving rod slides outwards in a sleeve until a guide wheel contacts the inner wall of the directional well, and then the moving rod descends to adapt to directional wells of different sizes.

Description

Directional well casing damage electromagnetic detection device

Technical Field

The utility model belongs to the technical field of directional well cover decreases detection, concretely relates to directional well cover decreases electromagnetic detection device.

Background

The detection device used for detecting the directional well generally detects by installing a gamma probe, a temperature probe, a transverse probe, a longitudinal probe, a lower-layer transverse probe and a lower-layer longitudinal probe in a shell, wherein the gamma probe is used for detecting the natural gamma intensity around the depth of the well and is used for deeper detection; the temperature probe detects the change of a fluid temperature field in the well and determines the position of the liquid outlet; each probe needs to emit magnetic lines in different directions and different depth positions to detect the change of the casing loss in all directions.

However, the existing detection device has the possibility of collision when descending in the directional well, and in addition, a plurality of transverse probes and longitudinal probes of the existing detection device need to be installed, because the probes need to be measured in different directions and different depths, the installation of the probes is more, the purchase and manufacturing cost is increased, and complete omnibearing detection cannot be realized, and because the probes cannot be installed in the directions of all angles of 360 degrees, the detection result is not ideal.

In order to solve the problems, the application provides an electromagnetic detection device for casing damage of a directional well.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a directional well casing damage electromagnetic detection device has the directional well of each size and avoids the interior electrical apparatus of device to appear colliding with and realize the characteristics of all-round detection with the low cost.

In order to achieve the above object, the utility model provides a following technical scheme: the electromagnetic detection device for casing damage of the directional well comprises a shell with a hollow structure, wherein a first servo motor is fixedly connected to the center position of the top end face of the shell, a main shaft of the first servo motor penetrates through the shell and extends to the inner side of the shell, a connecting frame is arranged at the top end of the first servo motor and is fixedly connected with the shell, a cable connector is fixedly connected to the center position of the top end face of the connecting frame, a first bevel gear is fixedly connected to the tail end of the main shaft of the first servo motor, a sleeve with the hollow structure is fixedly connected to the left end face of the shell, the right end face of the shell, the front end face of the shell and the rear end face of the shell, a connecting rod is rotatably connected to the position, corresponding to the sleeve, of the outer side wall of the shell through a rotating shaft, the connecting rod penetrates through the shell and extends to the inner side of the shell and the sleeve, and a second bevel gear is fixedly connected to one end of the shell, close to the first bevel gear, the second bevel gear is meshed with the first bevel gear, the other end of the connecting rod is fixedly connected with a screw rod, the outer side of the screw rod is spirally connected with a moving rod, the screw rod penetrates through the moving rod, the moving rod is connected with the sleeve in a sliding mode, the moving rod penetrates through the sleeve and extends to the outer side of the sleeve, the bottom end face of the shell is fixedly connected with an extension rod with a hollow structure, a second servo motor is installed in the extension rod, a main shaft of the second servo motor penetrates through the extension rod, the tail end of the main shaft of the second servo motor is fixedly connected with an installation block, the top end of the right end face of the installation block is fixedly connected with a gamma probe, the center position of the right end face of the installation block is fixedly connected with a camera, and the bottom end of the right end face of the installation block is fixedly connected with a temperature probe.

As the utility model relates to a directional well casing damage electromagnetic detection device is preferred, the one end that the carriage release lever lateral wall is close to the casing is provided with the arch, the sheathed tube inside wall is the setting of cuboid form, the arch and the laminating of sheathed tube inside wall of carriage release lever.

As the utility model relates to a directional well casing damage electromagnetic detection device is preferred, the one end fixedly connected with fixed plate of casing is kept away from to the carriage release lever, the one end fixedly connected with that the carriage release lever was kept away from to the fixed plate has the fixing base of indent structure, the one end fixedly connected with spring that the fixing base inside wall is close to the fixed plate, the other end fixedly connected with slider of spring, the other end of slider rotates through rotating the support and is connected with the guide wheel.

As the utility model relates to a directional well casing damage electromagnetic detection device is preferred, the fixed plate is total four, every all there are two fixing bases on the fixed plate, the top and the bottom of the terminal surface of carriage release lever are kept away from at the fixed plate to the fixing base symmetric distribution.

As the utility model relates to a directional well casing damage electromagnetic detection device is preferred, the bottom face of extension rod and the bottom face parallel and level of fixed plate.

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

1. a first servo motor rotates to drive a first bevel gear to rotate, the first bevel gear is meshed with a second bevel gear, and a screw rod is driven to rotate through the second bevel gear, so that a moving rod slides outwards in a sleeve until a guide wheel contacts the inner wall of the directional well, and then the moving rod descends to adapt to directional wells of different sizes.

2. The guide wheel ensures that a precision instrument at the center of the device cannot collide with the directional well wall, and meanwhile, the device is buffered by the spring in the descending process due to the uneven vibration of the well wall, so that the device is ensured to stably descend.

3. The installation block is driven to rotate through the second servo motor, the device is matched to descend, and the gamma probe, the camera and the temperature probe on the device can detect the casing damage of the directional well in an all-round mode.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view of a second bevel gear and a connecting rod according to the present invention;

FIG. 3 is a schematic view of the installation structure of the spring and the slider in the present invention;

in the figure: 1. a housing; 2. a first servo motor; 3. a connecting frame; 4. a cable joint; 5. a first bevel gear; 6. a sleeve; 7. a connecting rod; 8. a second bevel gear; 9. a screw; 10. a travel bar; 11. a fixing plate; 12. a fixed seat; 13. a spring; 14. a slider; 15. a guide wheel; 16. an extension pole; 17. a second servo motor; 18. mounting blocks; 19. a gamma probe; 20. a camera; 21. a temperature probe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present invention provides an electromagnetic directional casing damage detecting device, which comprises a casing 1 having a hollow structure, a first servo motor 2 fixedly connected to a central position of a top end surface of the casing 1, a main shaft of the first servo motor 2 extending through the casing 1 and extending to an inner side of the casing 1, a connecting frame 3 disposed on a top end of the first servo motor 2, the connecting frame 3 fixedly connected to the casing 1, a cable connector 4 fixedly connected to a central position of a top end surface of the connecting frame 3, a first bevel gear 5 fixedly connected to a terminal end of the main shaft of the first servo motor 2, a casing 6 having a hollow structure fixedly connected to a left end surface of the casing 1, a right end surface of the casing 1, a front end surface of the casing 1 and a rear end surface of the casing 1, a connecting rod 7 rotatably connected to a position of the casing 6 corresponding to an outer side wall of the casing 1 through a rotating shaft, the connecting rod 7 extending through the casing 1 and extending to an inner side of the casing 1 and the casing 6, casing 1 is close to first bevel gear 5's one end fixedly connected with second bevel gear 8, second bevel gear 8 is connected with first bevel gear 5 meshing, the other end fixedly connected with screw rod 9 of connecting rod 7, screw rod 9 outside spiral connection has carriage release lever 10, screw rod 9 runs through carriage release lever 10, carriage release lever 10 and sleeve pipe 6 sliding connection, carriage release lever 10 runs through sleeve pipe 6 and extends to the sleeve pipe 6 outside, 1 bottom end face fixedly connected with of casing has hollow structure's extension rod 16, install second servo motor 17 in the extension rod 16, the main shaft of second servo motor 17 runs through extension rod 16, the terminal fixedly connected with installation piece 18 of the main shaft of

second servo motor

17, 18 right-hand member face tops fixedly connected with gamma probe 19 of installation piece, 18 right-hand member face central point fixedly connected with camera 20 of installation piece, 18 right-hand member face bottom end fixedly connected with temperature probe 21 of installation piece.

In this embodiment: all electrical appliances in the device are powered by an external power supply, meanwhile, the electrical appliances in the device are controlled by a plc, then a user controls a first servo motor 2 to operate, the first servo motor 2 operates to drive a first bevel gear 5 to rotate, the first bevel gear 5 is meshed with a second bevel gear 8, a screw rod 9 is driven to rotate through the second bevel gear 8, a moving rod 10 slides outwards in a sleeve 6 until a guide wheel 15 contacts the inner wall of a directional well, then the moving rod descends, the device can adapt to the directional wells with different sizes, in the descending process, the guide wheel 15 ensures that a precision instrument at the center of the device cannot collide with the directional well wall, meanwhile, in the descending process of the device, a spring 13 buffers the vibration generated by uneven well wall, ensures the stable descending of the device, a mounting block 18 is driven to rotate through a second servo motor 17 to cooperate with the descending of the device, the gamma probe 19, the camera 20 and the temperature probe 21 on the device can detect the casing damage of the directional well in all directions.

In an alternative embodiment, a protrusion is disposed on an end of an outer side wall of the moving rod 10 close to the housing 1, an inner side wall of the sleeve 6 is disposed in a rectangular shape, and the protrusion of the moving rod 10 is attached to the inner side wall of the sleeve 6.

In this embodiment: by this design, on the one hand, the travel bar 10 is prevented from following the rotation when the screw 9 rotates, and on the other hand, the travel bar 10 is prevented from falling out of the sleeve 6.

In an alternative embodiment, one end of the movable rod 10 far from the housing 1 is fixedly connected with a fixed plate 11, one end of the fixed plate 11 far from the movable rod 10 is fixedly connected with a fixed seat 12 with a concave structure, one end of the inner side wall of the fixed seat 12 close to the fixed plate 11 is fixedly connected with a spring 13, the other end of the spring 13 is fixedly connected with a sliding block 14, and the other end of the sliding block 14 is rotatably connected with a guide wheel 15 through a rotating support.

In this embodiment: in the descending process, the guide wheels 15 ensure that the precision instrument at the center of the device cannot collide with the directional well wall, and meanwhile, the springs 13 buffer the vibration generated by uneven well wall in the descending process of the device, so that the stable descending of the device is ensured.

In an alternative embodiment, there are four fixed plates 11, and each fixed plate 11 has two fixed seats 12, and the fixed seats 12 are symmetrically distributed at the top and bottom ends of the end surface of the fixed plate 11 far from the movable rod 10.

In this embodiment: through the design, the posture stability of the device in the descending process is ensured.

In an alternative embodiment, the bottom end surface of the extension rod 16 is flush with the bottom end surface of the fixed plate 11.

In this embodiment: through the design, the gamma probe 19, the camera 20 and the temperature probe 21 in the device can be staggered with the fixed plate 11, and the detection is prevented from being influenced.

The utility model discloses a theory of operation and use flow: all electrical appliances in the device are powered by an external power supply, meanwhile, the electrical appliances in the device are controlled by a plc, then a user controls a first servo motor 2 to operate, the first servo motor 2 operates to drive a first bevel gear 5 to rotate, the first bevel gear 5 is meshed with a second bevel gear 8, a screw rod 9 is driven to rotate through the second bevel gear 8, a moving rod 10 slides outwards in a sleeve 6 until a guide wheel 15 contacts the inner wall of a directional well, then the moving rod descends, the device can adapt to the directional wells with different sizes, in the descending process, the guide wheel 15 ensures that a precision instrument at the center of the device cannot collide with the directional well wall, meanwhile, in the descending process of the device, a spring 13 buffers the vibration generated by uneven well wall, ensures the stable descending of the device, a mounting block 18 is driven to rotate through a second servo motor 17 to cooperate with the descending of the device, the gamma probe 19, the camera 20 and the temperature probe 21 on the device can detect the casing damage of the directional well in all directions.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A directional well casing damage electromagnetic detection device comprises a shell (1) with a hollow structure, and is characterized in that: casing (1) top terminal surface central point puts first servo motor (2) of fixedly connected with, the main shaft of first servo motor (2) runs through casing (1) and extends to the inboard of casing (1), first servo motor (2) top is provided with link (3), link (3) and casing (1) fixed connection, link (3) top terminal surface central point puts fixedly connected with cable joint (4), the terminal fixedly connected with first bevel gear (5) of main shaft of first servo motor (2), the equal fixedly connected with of casing (1) left end face, casing (1) right-hand member face, casing (1) preceding terminal surface and casing (1) rear end face has hollow structure's sleeve pipe (6), the position that the lateral wall of casing (1) corresponds sleeve pipe (6) is rotated through the pivot and is connected with connecting rod (7), connecting rod (7) run through casing (1) and extend to casing (1) and the inboard of sleeve pipe (6) One end, close to the first bevel gear (5), of the shell (1) is fixedly connected with a second bevel gear (8), the second bevel gear (8) is meshed with the first bevel gear (5), the other end of the connecting rod (7) is fixedly connected with a screw rod (9), a moving rod (10) is spirally connected to the outer side of the screw rod (9), the screw rod (9) penetrates through the moving rod (10), the moving rod (10) is slidably connected with the casing (6), the moving rod (10) penetrates through the casing (6) and extends to the outer side of the casing (6), an extension rod (16) with a hollow structure is fixedly connected to the bottom end face of the shell (1), a second servo motor (17) is installed in the extension rod (16), a main shaft of the second servo motor (17) penetrates through the extension rod (16), and the tail end of the main shaft of the second servo motor (17) is fixedly connected with an installation block (18), the device is characterized in that the top end of the right end face of the installation block (18) is fixedly connected with a gamma probe (19), the central position of the right end face of the installation block (18) is fixedly connected with a camera (20), and the bottom end of the right end face of the installation block (18) is fixedly connected with a temperature probe (21).

2. A directional well casing damage electromagnetic detection device according to claim 1, characterized in that: the one end that the carriage release lever (10) lateral wall is close to casing (1) is provided with the arch, the inside wall of sleeve pipe (6) is the setting of cuboid form, the protruding laminating of inside wall with sleeve pipe (6) of carriage release lever (10).

3. A directional well casing damage electromagnetic detection device according to claim 1, characterized in that: the utility model discloses a novel portable electronic device, including casing (1), carriage release lever (10), one end fixedly connected with fixed plate (11) of casing (1) are kept away from in carriage release lever (10), the one end fixedly connected with that carriage release lever (10) was kept away from in fixed plate (11) has fixing base (12) of indent structure, one end fixedly connected with spring (13) that fixing base (12) inside wall is close to fixed plate (11), the other end fixedly connected with slider (14) of spring (13), the other end of slider (14) is rotated through rotating the support and is connected with guide wheel (15).

4. A directional well casing damage electromagnetic detection device according to claim 3, characterized in that: the fixed plate (11) is four in total, every all have two fixing base (12) on fixed plate (11), fixing base (12) symmetric distribution is kept away from the top and the bottom of the terminal surface of carriage release lever (10) at fixed plate (11).

5. A directional well casing damage electromagnetic detection device according to claim 3, characterized in that: the bottom end surface of the extension rod (16) is flush with the bottom end surface of the fixed plate (11).