An array lens well-logging instrument

Abstract

The utility model discloses an array lens logging instrument relates to inductive logging technical field, including the casing, the inside of casing is equipped with a plurality of corresponding third sliding slot, the inside rotationally connected with rotating column of third sliding slot, the outside of rotating column and located the inside fixed connection of third sliding slot has the clamping block, the inside sliding connection of third sliding slot has the push, push and clamping block contact, the inside of casing is equipped with a plurality of first sliding slot, the inside sliding connection of first sliding slot has the first sliding block, the utility model has the beneficial effects that: through second servo motor drive fourth rotating shaft and fourth bevel gear rotation, then drive a plurality of third bevel gear and third rotating shaft corresponding rotation, then drive a plurality of fourth threaded rod rotation, then drive fourth sliding block and push sliding, thereby push clamping block to the outside of third sliding slot rotation, thereby make clamping block and the inner wall of casing sleeve and connect, improve the accuracy of detection.

Description

TECHNICAL FIELD

[0001] The utility model relates to induction logging technical field, concretely is an array lens logging instrument. BACKGROUND

[0002] Array induction logging is a kind of low-frequency logging technology based on electromagnetic induction principle, it arranges multiple groups of receiving coils with different spacing on well axis, receives the secondary induction signal of the same transmitting coil excitation, it is a kind of multi-frequency, multi-source logging technology, and the obtained formation conductivity information is also more rich and accurate, at present, the downhole array induction logging instrument of petroleum industry is in the process of downhole work, when needing to transmit technical data to the ground, the performance of the scale cylinder of the instrument itself determines the accuracy and reliability of the data transmission.

[0003] The scale barrel of part of the existing logging instrument is generally provided with a balance plate at the bottom of the induction scale cylinder body to realize the balance effect of the induction scale cylinder itself when in use, the induction scale cylinder body cannot be fixed in the well, and it is difficult to maintain the stability of the induction scale cylinder body, thereby affecting the accuracy of downhole logging array induction data, therefore, we provide an array lens logging instrument. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides an array lens logging instrument, which solves the problems in the above background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: an array lens logging instrument, including the shell, the inside of the shell is provided with a plurality of corresponding third sliding grooves, the inside of the third sliding groove is rotatably connected with a rotating column, the outside of the rotating column and inside the third sliding groove are fixedly connected with a clamping block, the inside of the third sliding groove is slidably connected with a push block, the push block is in contact with the clamping block, the inside of the shell is provided with a plurality of first sliding grooves, the inside of the first sliding groove is slidably connected with a first sliding block, the inside of the first sliding block is rotatably connected with a plurality of rollers, the inside of the shell is provided with a logging instrument body, and the top of the shell is provided with a wiring end.

[0006] Preferably, the inside of the shell and one side of the first sliding groove are provided with a plurality of second sliding grooves, the inside of the second sliding groove is slidably connected with a second sliding block, the inside of the second sliding groove is rotatably connected with a second threaded rod, the second threaded rod penetrates the second sliding block and is threadedly connected with it, and the second sliding block is fixedly connected with the first sliding block, through the mutual cooperation of the second sliding groove, the second sliding block and the second threaded rod, the first sliding block can be pushed to move, so that the plurality of rollers are attached to the inner wall of the casing, thereby ensuring the stability of the shell and the logging instrument body when descending.

[0007] Preferably, the inside of the logging instrument body is rotatably connected with a plurality of first rotating shafts, one end of the first rotating shaft is fixedly connected with a first bevel gear, one end of the first rotating shaft extends to the inside of the second sliding groove and is fixedly connected with a second threaded rod, the inside of the logging instrument body is rotatably connected with a second rotating shaft, one end of the second rotating shaft is fixedly connected with a second bevel gear, the second bevel gear is meshed with a plurality of first bevel gears, and the mutual cooperation of the first rotating shaft, the first bevel gear, the second rotating shaft, the second bevel gear and the first servo motor can ensure the normal operation of the first sliding mechanism.

[0008] Preferably, the inside of the logging instrument body is fixedly connected with a first servo motor, and the output end of the first servo motor is fixedly connected with the second rotating shaft.

[0009] Preferably, the inside of the logging instrument body is rotatably connected with a plurality of first rotating shafts, one end of the first rotating shaft is fixedly connected with a first bevel gear, one end of the first rotating shaft extends to the inside of the second sliding groove and is fixedly connected with a second threaded rod, the inside of the logging instrument body is rotatably connected with a second rotating shaft, one end of the second rotating shaft is fixedly connected with a second bevel gear, the second bevel gear is meshed with a plurality of first bevel gears, and the mutual cooperation of the first rotating shaft, the first bevel gear, the second rotating shaft, the second bevel gear and the first servo motor can ensure the normal operation of the first sliding mechanism.

[0010] Preferably, the inside of the logging instrument body is rotatably connected with a plurality of third rotating shafts, one end of the third rotating shaft is fixedly connected with a third bevel gear, one end of the third rotating shaft extends to the inside of the fourth sliding groove and is fixedly connected with a fourth threaded rod, the inside of the logging instrument body is rotatably connected with a fourth rotating shaft, one end of the fourth rotating shaft is fixedly connected with a fourth bevel gear, and the fourth bevel gear is meshed with a plurality of third bevel gears, and the mutual cooperation of the third rotating shaft, the third bevel gear, the fourth rotating shaft, the fourth bevel gear and the second servo motor can ensure the normal operation of the second sliding mechanism.

[0011] Preferably, the inside of the logging instrument body is fixedly connected with a second servo motor, and the output end of the second servo motor is fixedly connected with the fourth rotating shaft.

[0012] The array lens logging instrument has the following beneficial effects:

[0013] 1. The array lens logging instrument, through the mutual cooperation of the rotating column, the clamping block, the push block, the fourth threaded rod, the fourth sliding block, the third rotating shaft, the third bevel gear, the fourth rotating shaft, the fourth bevel gear and the second servo motor, when detecting, the second servo motor drives the fourth rotating shaft and the fourth bevel gear to rotate, then drives a plurality of third bevel gears and third rotating shafts to rotate correspondingly, then drives a plurality of fourth threaded rods to rotate, then drives the fourth sliding block and the push block to slide, thereby pushing the clamping block to rotate to the outside of the third sliding groove, so that the clamping block is clamped with the inner wall of the casing, thereby ensuring the stability of the array lens logging instrument when fixed and improving the accuracy of detection.

[0014] 2. The array lens logging instrument, through the first servo motor driving the second rotating shaft and the second bevel gear to rotate, then driving a plurality of first bevel gears and first rotating shafts to rotate correspondingly, then driving the second threaded rod to rotate, then driving the second sliding block to slide in the second sliding groove, thereby pushing the first sliding block and the roller to slide to the outside of the first sliding groove, so that the roller is fitted with the inner wall of the casing, improving the stability of the array lens logging instrument when descending. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the utility model;

[0016] Fig. 2 It is a structural schematic view of the inside of the shell of the utility model.

[0017] In the drawing: 1, shell; 2, logging instrument body; 3, wiring end; 4, first sliding groove; 5, first sliding block; 6, roller; 7, second sliding groove; 8, second sliding block; 9, second threaded rod; 10, first rotating shaft; 11, first bevel gear; 12, second rotating shaft; 13, second bevel gear; 14, first servo motor; 15, third sliding groove; 16, rotating column; 17, clamping block; 18, push block; 19, fourth sliding groove; 20, fourth threaded rod; 21, fourth sliding block; 22, third rotating shaft; 23, third bevel gear; 24, fourth rotating shaft; 25, fourth bevel gear; 26, second servo motor. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] Please refer to Figs. 1-2The utility model provides a kind of technical scheme: an array lens logging instrument, including shell 1, the inside of shell 1 is opened with multiple corresponding third sliding slot 15, rotating column 16 is rotatably connected in the inside of third sliding slot 15, the outside of rotating column 16 and located the inside of third sliding slot 15 is fixedly connected with clamping block 17, the inside of third sliding slot 15 is slidably connected with push block 18, push block 18 is in contact with clamping block 17, the inside of shell 1 is opened with multiple first sliding slot 4, first sliding block 5 is slidably connected in the inside of first sliding slot 4, multiple gyro wheel 6 is rotatably connected in the inside of first sliding block 5, the inside of shell 1 is provided with logging instrument body 2, the top of shell 1 is provided with wiring terminal 3;

[0020] The inside of shell 1 and located the side of first sliding slot 4 is opened with multiple second sliding slot 7, second sliding block 8 is slidably connected in the inside of second sliding slot 7, second screw rod 9 is rotatably connected in the inside of second sliding slot 7, second screw rod 9 penetrates second sliding block 8 and is threadedly connected with it, second sliding block 8 is fixedly connected with first sliding block 5, by the mutual cooperation of second sliding slot 7, second sliding block 8 and second screw rod 9, first sliding block 5 can be moved, to make multiple gyro wheel 6 and casing inner wall be in close conformity, to guarantee the stability when shell 1 and logging instrument body 2 descend;

[0021] The inside of logging instrument body 2 is rotatably connected with multiple first rotating shaft 10, one end of first rotating shaft 10 is fixedly connected with first bevel gear 11, one end of first rotating shaft 10 extends to the inside of second sliding slot 7 and is fixedly connected with second screw rod 9, the inside of logging instrument body 2 is rotatably connected with second rotating shaft 12, one end of second rotating shaft 12 is fixedly connected with second bevel gear 13, second bevel gear 13 and multiple first bevel gear 11 are mutually engaged, by the mutual cooperation of first rotating shaft 10, first bevel gear 11, second rotating shaft 12, second bevel gear 13 and first servo motor 14, the normal operation of first sliding mechanism can be guaranteed, when using, first servo motor 14 drives second rotating shaft 12 and second bevel gear 13 to rotate, then drives multiple first bevel gear 11 and first rotating shaft 10 to rotate correspondingly, then drives second screw rod 9 to rotate, then drives second sliding block 8 to slide in the inside of second sliding slot 7, to push first sliding block 5 and gyro wheel 6 to the outside of first sliding slot 4 and slide, make gyro wheel 6 and the inner wall of casing close conformity, make this array lens logging instrument descend more stable, first servo motor 14 is fixedly installed in the inside of logging instrument body 2, the output end of first servo motor 14 is fixedly connected with second rotating shaft 12;

[0022] The second threaded rod 9 is arranged in the inside of the logging instrument body 2 and at one side of the third sliding groove 15, the fourth sliding block 21 is slidably connected in the inside of the second threaded rod 9, the fourth threaded rod 20 is rotatably connected in the inside of the second threaded rod 9, the fourth threaded rod 20 penetrates through the fourth sliding block 21 and is threadedly connected with the fourth sliding block 21, one side of the fourth sliding block 21 is fixedly connected with the push block 18, the push block 18, the fourth threaded rod 20 and the fourth sliding block 21 are matched with each other, so that the clamping block 17 is pushed to rotate, thereby the plurality of clamping blocks 17 are clamped with the inner wall of the casing, so that the stability of the array lens logging instrument is ensured when the array lens logging instrument is fixed.

[0023] The third rotating shaft 22 is rotatably connected in the inside of the logging instrument body 2, one end of the third rotating shaft 22 is fixedly connected with the third bevel gear 23, one end of the third rotating shaft 22 extends to the inside of the fourth sliding groove 19 and is fixedly connected with the fourth threaded rod 20, the fourth rotating shaft 24 is rotatably connected in the inside of the logging instrument body 2, one end of the fourth rotating shaft 24 is fixedly connected with the fourth bevel gear 25, the fourth bevel gear 25 is meshed with the plurality of third bevel gears 23, the third rotating shaft 22, the third bevel gear 23, the fourth rotating shaft 24, the fourth bevel gear 25 and the second servo motor 26 are matched with each other, so that the normal operation of the second sliding mechanism is ensured, in use, the second servo motor 26 is started to drive the fourth rotating shaft 24 and the fourth bevel gear 25 to rotate, then the plurality of third bevel gears 23 and the third rotating shaft 22 are correspondingly rotated, then the plurality of fourth threaded rods 20 are rotated, then the fourth sliding block 21 and the push block 18 are slid, so that the clamping block 17 is pushed to rotate to the outside of the third sliding groove 15, thereby the clamping block 17 is clamped with the inner wall of the casing, so that the stability of the array lens logging instrument is ensured when the array lens logging instrument is fixed, the detection accuracy is improved, the second servo motor 26 is fixedly installed in the inside of the logging instrument body 2, and the output end of the second servo motor 26 is fixedly connected with the fourth rotating shaft 24.

[0024] In summary, when the array lens logging instrument is used, the staff member starts the first servo motor 14 through the control mechanism to drive the second rotating shaft 12 and the second bevel gear 13 to rotate, then drives the multiple first bevel gears 11 and the first rotating shaft 10 to rotate correspondingly, then drives the second threaded rod 9 to rotate, then drives the second sliding block 8 to slide in the second sliding groove 7, thereby pushing the first sliding block 5 and the roller 6 to slide to the outside of the first sliding groove 4, makes the roller 6 fit the inner wall of the casing, and makes the array lens logging instrument more stable when descending, when detecting, the second servo motor 26 is started to drive the fourth rotating shaft 24 and the fourth bevel gear 25 to rotate, then drives the multiple third bevel gears 23 and the third rotating shaft 22 to rotate correspondingly, then drives the multiple fourth threaded rods 20 to rotate, then drives the fourth sliding block 21 and the push block 18 to slide, thereby pushing the clamping block 17 to rotate to the outside of the third sliding groove 15, thereby making the clamping block 17 and the inner wall of the casing be clamped, and improving the accuracy of detection.

[0025] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An array lens logging instrument comprising a housing (1), characterized in that: The inside of the shell (1) is provided with a plurality of corresponding third sliding grooves (15), the inside of the third sliding groove (15) is rotatably connected with a rotating column (16), the outside of the rotating column (16) and inside the third sliding groove (15) is fixedly connected with a clamping block (17), the inside of the third sliding groove (15) is slidably connected with a push block (18), the push block (18) is in contact with the clamping block (17), the inside of the shell (1) is provided with a plurality of first sliding grooves (4), the inside of the first sliding groove (4) is slidably connected with a first sliding block (5), the inside of the first sliding block (5) is rotatably connected with a plurality of rollers (6), the inside of the shell (1) is provided with a logging instrument body (2), and the top of the shell (1) is provided with a wiring terminal (3).

2. An array lens well-logging instrument according to claim 1, characterized in that: The inside of the shell (1) and one side of the first sliding groove (4) are provided with a plurality of second sliding grooves (7), the inside of the second sliding groove (7) is slidably connected with a second sliding block (8), and the inside of the second sliding groove (7) is rotatably connected with a second threaded rod (9). The second threaded rod (9) penetrates the second sliding block (8) and is threadedly connected therewith, and the second sliding block (8) is fixedly connected with the first sliding block (5).

3. An array lens well-logging instrument according to claim 2, characterized in that: The inside of the logging instrument body (2) is rotatably connected with a plurality of first rotating shafts (10), one end of the first rotating shaft (10) is fixedly connected with a first bevel gear (11), one end of the first rotating shaft (10) extends to the inside of the second sliding groove (7) and is fixedly connected with the second threaded rod (9), the inside of the logging instrument body (2) is rotatably connected with a second rotating shaft (12), one end of the second rotating shaft (12) is fixedly connected with a second bevel gear (13), and the second bevel gear (13) is meshed with a plurality of first bevel gears (11).

4. An array lens well-logging instrument according to claim 3, characterized in that: The inside of the logging instrument body (2) is fixedly installed with a first servo motor (14), and the output end of the first servo motor (14) is fixedly connected with the second rotating shaft (12).

5. The array lens well-logging instrument of claim 1, wherein: The inside of the logging instrument body (2) and one side of the third sliding groove (15) are provided with a second threaded rod (9), the inside of the second threaded rod (9) is slidably connected with a fourth sliding block (21), and the inside of the second threaded rod (9) is rotatably connected with a fourth threaded rod (20). The fourth threaded rod (20) penetrates the fourth sliding block (21) and is threadedly connected therewith, and one side of the fourth sliding block (21) is fixedly connected with the push block (18).

6. An array lens well-logging instrument according to claim 5, characterized in that: The inside of the logging instrument body (2) is rotatably connected with a plurality of third rotating shafts (22), one end of the third rotating shaft (22) is fixedly connected with a third bevel gear (23), one end of the third rotating shaft (22) extends to the inside of the fourth sliding groove (19) and is fixedly connected with the fourth threaded rod (20), the inside of the logging instrument body (2) is rotatably connected with a fourth rotating shaft (24), one end of the fourth rotating shaft (24) is fixedly connected with a fourth bevel gear (25), and the fourth bevel gear (25) is meshed with a plurality of third bevel gears (23).

7. An array lens well-logging instrument according to claim 6, characterized in that: The inside of the logging instrument body (2) is fixedly provided with a second servo motor (26), and the output end of the second servo motor (26) is fixedly connected with the fourth rotating shaft (24).

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