Well logging device with mud scraping mechanism

Abstract

The utility model belongs to the technical field of well logging, particularly relates to a well logging device with a sludge scraping mechanism, and aims to solve the problems of high cost and difficulty in sludge treatment in the background technology, the well logging device comprises adjacent long cylinders, swing frames are rotatably connected to the outer walls of the two sides of each long cylinder, a driving motor is fixedly connected to the outer wall of one side of each swing frame, and the driving motors are connected with the long cylinders. And an output shaft of the driving motor is fixedly connected with a first gear. The included angle between the two swing frames can be controlled by pushing the connecting plate through the electric push rod, the driving wheel can be controlled to rotate through the driving motor, automatic traction of the device is achieved, operation is convenient, the measuring cost is low, the mud scraping plate on the fixing disc can be tightly attached to the inner wall of a well under the action of the spring, and the mud scraping effect is good. When the servo motor drives the end to rotate, the sludge scraping plate can be controlled to rotate, sludge in a well can be cleaned in time, the moving resistance of the device is reduced, and the sludge is prevented from affecting the monitor and the laser radar.

Description

TECHNICAL FIELD

[0001] The utility model relates to well logging technical field especially relates to a well logging device with mud scraping mechanism. BACKGROUND

[0002] Well logging is a technical means for understanding the geological information and resource occurrence state in the well by using the principles and methods of physics and measuring the physical parameters of rock along the well profile with special instruments and equipment, which is very important for discovering and evaluating resource reserves and occurrence state and is the basis for formulating various rational and effective resource development plans.

[0003] The physical parameters of the downhole rock formation and the technical condition of the well can be understood through well logging, but the existing well logging device has the following problems in use: first, the conventional well logging method is to continuously push the instrument into the well with a pushing device outside the well, a large amount of rope is used, the cost is high, and the environment in the well is complex with a lot of sludge, which is adsorbed on the well wall, not only is not conducive to pushing the instrument, but also the monitoring instrument is affected by the sludge. UTILITARIAN CONTENT

[0004] In view of the shortcomings of the prior art, the utility model provides a well logging device with mud scraping mechanism, which overcomes the shortcomings of the prior art and effectively solves the problems of high cost and difficult sludge treatment.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A well logging device with mud scraping mechanism, comprising adjacent long barrels, the outer wall of the long barrel is rotatably connected with a swing frame, the outer wall of one side of the swing frame is fixedly connected with a driving motor, and the output shaft of the driving motor is fixedly connected with a first gear, the outer wall of the first gear is engaged with a second gear, and the outer wall of the second gear is engaged with a third gear, the outer wall of one side of the third gear is provided with a driving wheel, the connecting plate is slidably connected between the two swing frames, and the outer wall of one side of the connecting plate is provided with an electric push rod;

[0007] The outer wall of one end of the long barrel is provided with a head, and the outer wall of the head is screwed with a fixed disc, the outer wall of the fixed disc is rotatably connected with a plurality of mud scraping plates distributed at equal distances, and the mud scraping plates and the fixed disc are connected with springs.

[0008] Preferably, the first gear, the second gear and the third gear are rotatably connected to the inner wall of the swing frame, and the electric push rod is fixedly connected to the inner wall of the long barrel.

[0009] Preferably, the outer wall of one end of the head is fixedly connected with a monitoring barrel, and the outer walls of the two sides of the monitoring barrel are respectively provided with a monitor and a laser radar.

[0010] Preferably, the outer wall of one end of the monitoring barrel is provided with a servo motor.

[0011] Preferably, the two long barrels are fixedly connected with a rubber butt joint pipe.

[0012] Preferably, the outer wall of one end of the other long barrel is fixedly connected with a cable.

[0013] The well logging device has the advantages that:

[0014] 1. The well logging device with a mud scraping mechanism has two long barrels, the driving wheels on the two long barrels are responsible for sliding on the upper and lower inner walls and the left and right inner walls of the well, the electric push rod is used to control the included angle of the two swing frames, and the driving motor is used to control the rotation of the driving wheels, so that the device is automatically pulled, the operation is convenient, and the measurement cost is low.

[0015] 2. The well logging device with a mud scraping mechanism has a fixed disc screwed on the end part of the device, the mud scraping plate on the fixed disc can be tightly attached to the inner wall of the well under the action of the spring, the rotation of the mud scraping plate can be controlled by rotating the end head driven by the servo motor, the sludge in the well is cleaned in time, the moving resistance of the device is reduced, and the sludge does not affect the monitor and the laser radar. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a whole structure schematic view of the well logging device with a mud scraping mechanism.

[0017] Fig. 2 It is a long barrel connecting structure schematic view of the well logging device with a mud scraping mechanism.

[0018] Fig. 3 It is a fixed disc connecting structure schematic view of the well logging device with a mud scraping mechanism.

[0019] In the figure: 1, long barrel; 2, swing frame; 3, driving motor; 4, first gear; 5, second gear; 6, third gear; 7, driving wheel; 8, connecting plate; 9, electric push rod; 10, servo motor; 11, monitoring barrel; 12, end head; 13, fixed disc; 14, mud scraping plate; 15, spring; 16, monitor; 17, laser radar; 18, rubber butt joint pipe; 19, cable. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0021] Embodiment one, refer to Fig. 2 A well logging device with mud scraping mechanism, comprising two adjacent long tubes 1, the outer wall of both sides of the long tube 1 is rotatably connected with a swing frame 2, the outer wall of one side of the swing frame 2 is fixedly connected with a driving motor 3, the output shaft of the driving motor 3 is fixedly connected with a first gear 4, the outer wall of the first gear 4 is engaged with a second gear 5, the outer wall of the second gear 5 is engaged with a third gear 6, the outer wall of one side of the third gear 6 is installed with a driving wheel 7, a connecting plate 8 is slidably connected between the two swing frames 2, and the outer wall of one side of the connecting plate 8 is installed with an electric push rod 9.

[0022] In this embodiment, two long tubes 1 are provided on the device, the driving wheels 7 on the two long tubes 1 are responsible for sliding on the upper and lower inner walls and the left and right inner walls of the well respectively, the electric push rod 9 is used to push the connecting plate 8 to control the included angle of the two swing frames 2, and the driving motor 3 is used to control the rotation of the driving wheel 7, realizing automatic traction of the device, which is not only convenient to operate, but also low in measurement cost.

[0023] Embodiment two, refer to Fig. 3 A well logging device with mud scraping mechanism, wherein one end of the outer wall of one long tube 1 is provided with an end head 12, the outer wall of the end head 12 is screwed with a fixed disc 13, the outer wall of the fixed disc 13 is rotatably connected with mud scraping plates 14 distributed at equal distances, and the mud scraping plates 14 and the fixed disc 13 are connected with springs 15.

[0024] In this embodiment, a fixed disc 13 is screwed on the end head 12 of the device, the mud scraping plates 14 on the fixed disc 13 can be tightly attached to the inner wall of the well under the action of the springs 15, the rotation of the mud scraping plates 14 can be controlled by rotating the end head 12 driven by the servo motor 10, and the sludge in the well can be cleaned in time, thereby reducing the resistance of the device moving and avoiding the influence of the sludge on the monitor 16 and the laser radar 17.

[0025] Refer to Fig. 2 The first gear 4, the second gear 5 and the third gear 6 are all rotatably connected to the inner wall of the swing frame 2, and the electric push rod 9 is fixedly connected to the inner wall of the long tube 1.

[0026] Refer to Figs. 1 to 3 The outer wall of one end of the end head 12 is fixedly connected with a monitoring tube 11, and the outer walls of both sides of the monitoring tube 11 are respectively installed with a monitor 16 and a laser radar 17.

[0027] Refer to Figs. 1 to 3 One end of the outer wall of the monitoring tube 11 is installed with a servo motor 10.

[0028] Refer to Fig. 1 The two long tubes 1 are fixedly connected with a rubber butt joint pipe 18.

[0029] Refer to Fig. 1The other long barrel 1 one end outer wall fixedly connected with cable 19.

[0030] Working principle: after the device is put into the well, firstly, the electric push rod 9 pushes the connecting plate 8 to control the two swing frames 2 to swing to a certain angle, so that the driving wheel 7 leans against the inner wall of the well, then under the meshing action of the first gear 4, the second gear 5 and the third gear 6, the first gear 4 is driven to rotate by the driving motor 3, the driving wheel 7 can be controlled to rotate, so that the device can move in the well, in the process of moving, the end head 12 is driven to rotate by the servo motor 10, the mud scraping plate 14 can be controlled to rotate, the sludge in the well is cleaned in time, and the monitor 16 and the laser radar 17 are used to detect the environment in the well in real time.

[0031] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A well logging device with a mud scraping mechanism comprising adjacent long tubes (1), characterized in that, Both sides of the long barrel (1) are rotatably connected with swing frames (2), one side of the swing frame (2) is fixedly connected with a driving motor (3), and the output shaft of the driving motor (3) is fixedly connected with a first gear (4), the outer wall of the first gear (4) is engaged with a second gear (5), and the outer wall of the second gear (5) is engaged with a third gear (6), the outer wall of the third gear (6) is installed with a driving wheel (7), two swing frames (2) are slidably connected with a connecting plate (8), and the outer wall of the connecting plate (8) is installed with an electric push rod (9); One end of one of the long barrels (1) is provided with an end head (12), and the outer wall of the end head (12) is screwed with a fixed disc (13), the outer wall of the fixed disc (13) is rotatably connected with a plurality of mud scraping plates (14) distributed at equal distances, and the mud scraping plates (14) and the fixed disc (13) are connected with springs (15).

2. The well-logging apparatus having a mud scraping mechanism according to claim 1, wherein, The first gear (4), the second gear (5) and the third gear (6) are rotatably connected to the inner wall of the swing frame (2), and the electric push rod (9) is fixedly connected to the inner wall of the long barrel (1).

3. The well-logging apparatus having a mud scraping mechanism according to claim 1, wherein, The end head (12) is fixedly connected with a monitoring barrel (11) on one end of the outer wall, and the monitoring barrel (11) is respectively installed with a monitor (16) and a laser radar (17) on both sides of the outer wall.

4. The well-logging apparatus having a mud scraping mechanism according to claim 2, wherein, The monitoring barrel (11) is installed with a servo motor (10) on one end of the outer wall.

5. The well-logging apparatus having a mud scraping mechanism according to claim 1, wherein, Two long barrels (1) are fixedly connected with a rubber butt joint pipe (18).

6. The well-logging apparatus having a mud scraping mechanism according to claim 1, wherein, The other long barrel (1) is fixedly connected with a cable (19) on one end of the outer wall.

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