Novel convenient well temperature logging instrument

Abstract

The utility model discloses a novel convenient well temperature logger relates to well temperature logger technical field, including bracing frame and remote controller, bracing frame bottom threaded connection is provided with instrument body, bracing frame internal is provided with sliding groove, sliding groove internal sliding connection is provided with two sliding rod, one end of two sliding rod is rotatingly connected with pulley, and the other end is rotatingly connected with the remote controller. Convex limiting grooves are formed in the positions, located on the two corresponding sides of the top of the sliding groove, in the supporting frame, and convex limiting blocks are slidably connected into the convex limiting grooves. Compared with the prior art, the novel convenient well temperature logging instrument has the advantages that the pulleys at one ends of the two sets of sliding rods conduct transmission under the action of the telescopic square shaft through the turbines, the worms and the bevel gear sets which are arranged in the supporting frame and the sliding rods respectively, the pulleys can abut against the inner wall of a shaft, the instrument is prevented from being damaged, the pulleys can be controlled to rotate, and operation is convenient. And the auxiliary instrument can stably lift, is more convenient, can be locked, and is favorable for preventing the instrument from falling off.

Description

Technical Field

[0001] The utility model relates to the technical field of well temperature logging instruments, in particular to a novel and convenient well temperature logging instrument. Background Art

[0002] Well logging is a method of measuring geophysical parameters by using the geophysical properties of rock formations, such as electrochemical properties, electrical conductivity, acoustic properties, and radioactivity. Well temperature logging instruments mainly use the principles of thermoelectric effect and resistance temperature meter for measurement.

[0003] Application No. 202122022259.4 discloses a well temperature logging instrument, which can ensure the quality of cementing through a first stabilizer and a second stabilizer, and can perform all-round information detection in the wellbore through the probe and the longitudinal detector and the transverse detector, and can monitor the temperature in the wellbore in real time through the temperature sensor; when the device moves downward, the sliding rod will conflict with the inner wall of the wellbore, and then compress the fixed shaft inward, causing the moving rod to move inward, and then the elastic part will deform. Under the action of the elastic part, the sliding rod and the inner wall of the wellbore can be pressed against each other, and then the device can move downward stably, thereby measuring the temperature data at different heights in the wellbore; the device can avoid the problem of the measuring instrument hitting the inner wall of the wellbore and causing damage to the instrument.

[0004] The sliding rod of the above application is pressed against the inner wall of the wellbore under the action of the spring, which easily hinders the movement of the measuring instrument and makes it difficult to lift and lower the logging instrument. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides a novel and convenient well temperature logging instrument, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a new type of convenient well temperature logging instrument, including a support frame and a remote control, the bottom of the support frame is threadedly connected to the instrument body, the support frame is provided with a slide groove, the slide groove is internally slidably connected to two sliding rods, one end of the two sliding rods is rotatably connected to the pulley, the support frame is provided with a convex limiting groove on both sides corresponding to the top of the slide groove, the convex limiting groove is internally slidably connected to a convex limiting block, the two convex limiting blocks are respectively connected to the two sliding rods, a telescopic spring is installed inside the convex limiting groove, one end of the telescopic spring is connected to the convex limiting block, the two sliding rods are internally provided with a limiting cavity, the interior of the limiting cavity The first bevel gear and the second bevel gear are rotatably connected, and the first bevel gear and the second bevel gear are meshed with each other, and the two second bevel gears are in opposite directions. The first bevel gear is connected to the pulley, and an adjuster is installed inside the slide groove and between the two sliding rods. The worm gear and the worm are rotatably connected inside the adjuster, and the worm gear and the worm are meshed with each other. The corresponding two sides of the adjuster are rotatably connected to the first square shaft, and the first square shaft is slidably connected to the second square shaft. One end of the second square shaft is connected to the second bevel gear, and the worm gear is connected to the two first square shafts respectively. A groove is provided inside the two sliding rods and on one side of the limit cavity. A motor is installed on the top of the support frame, and the output end of the motor is connected to the worm.

[0007] Preferably, a signal receiver is installed in the driver of the motor.

[0008] Preferably, a signal transmitter cooperating with a signal receiver is provided inside the remote control.

[0009] Preferably, a probe, a longitudinal detector, a transverse detector, and a temperature sensor are installed in sequence inside the instrument body.

[0010] Preferably, a centralizer is installed at the bottom of the support frame.

[0011] Preferably, the top of the instrument body and the bottom of the support frame are respectively provided with a threaded column and a threaded hole for threaded connection.

[0012] Preferably, a connecting frame is installed on the top of the support frame and outside the motor.

[0013] The utility model provides a new and convenient well temperature logging instrument, which has the following beneficial effects:

[0014] 1. This new convenient well temperature logging instrument, through the turbine and worm and bevel gear groups respectively arranged in the support frame and sliding rod, drives the pulleys at one end of the two sets of sliding rods under the action of the telescopic square shaft. It can resist the inner wall of the wellbore to avoid damage to the instrument. At the same time, it can control the rotation of the pulley to assist in the stable lifting of the instrument, which is more convenient and can be locked to prevent it from falling.

[0015] 2. This new convenient well temperature logging instrument has a threaded connection between the instrument body and the support frame. With the help of the threaded column on the instrument and the threaded hole at the bottom of the support frame, the instrument and the support frame can be disassembled and replaced to meet the needs of wellbores of different sizes. In the event of local damage, they can be replaced separately, which helps to reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 It is a schematic diagram of the local structure of the utility model;

[0019] Figure 4 It is the front view of the utility model.

[0020] In the figure: 1. Support frame; 2. Remote control; 3. Instrument body; 4. Stabilizer; 5. Slide groove; 6. Sliding rod; 7. Pulley; 8. Convex limit groove; 9. Convex limit block; 10. Telescopic spring; 11. Limit cavity; 12. First bevel gear; 13. Second bevel gear; 14. Regulator; 15. Worm gear; 16. Worm; 17. First square shaft; 18. Second square shaft; 19. Groove; 21. Probe; 22. Longitudinal detector; 23. Transverse detector; 24. Temperature sensor; 25. Connecting frame; 26. Motor; 27. Threaded column; 28. Threaded hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] See also Figures 1 to 4The utility model provides a technical solution: a new type of convenient well temperature logging instrument, including a support frame 1 and a remote control 2. The bottom of the support frame 1 is threadedly connected to the instrument body 3. The interior of the instrument body 3 is sequentially installed with a probe 21, a longitudinal detector 22, a transverse detector 23, and a temperature sensor 24, which are convenient for information detection and temperature measurement of the wellbore. A centralizer 4 is installed at the bottom of the support frame 1, which is conducive to ensuring the quality of cementing. A slide groove 5 is provided inside the support frame 1. Two sliding rods 6 are slidably connected inside the slide groove 5. One end of the two sliding rods 6 is rotatably connected to a pulley 7. A convex limiting groove 8 is provided inside the support frame 1 and on both sides corresponding to the top of the slide groove 5. A convex limiting block is slidably connected inside the convex limiting groove 8. 9. The two convex limit blocks 9 are respectively connected to the two sliding rods 6. A telescopic spring 10 is installed inside the convex limit groove 8. One end of the telescopic spring 10 is connected to the convex limit block 9. Through the deformation of the telescopic spring 10, the two sliding rods 6 can slide according to the size of the wellbore. The pulley 7 at one end of the two sliding rods 6 then presses against the wellbore to prevent damage to the instrument body 3. A limit cavity 11 is provided inside the two sliding rods 6. The internal rotation of the limit cavity 11 is connected to the first bevel gear 12 and the second bevel gear 13. The first bevel gear 12 and the second bevel gear 13 are meshed with each other. The two second bevel gears 13 are in opposite directions. The first bevel gear 12 is connected to the pulley 7, so that the two limit cavities 11 and the two pulleys 7 rotate in opposite directions. The two pulleys 7 is kept consistent with the lifting and lowering, an adjuster 14 is installed inside the slide 5 and between the two sliding rods 6, the internal rotation of the adjuster 14 is connected to the worm gear 15 and the worm 16, the worm gear 15 and the worm 16 are engaged, and the corresponding two sides of the adjuster 14 are rotatably connected to the first square shaft 17, the internal sliding connection of the first square shaft 17 is connected to the second square shaft 18, one end of the second square shaft 18 is connected to the second bevel gear 13, so that the second square shaft 18 can slide in the first square shaft 17 with the displacement of the sliding rod 6, while adjusting the overall length, the rotation of the worm 16 and the first square shaft 17 can be kept consistent, the worm wheel 15 is connected to the two first square shafts 17 respectively, when the worm wheel 15 is engaged with the worm 16, and the first bevel gear Under the action of the meshing of 12 and the second bevel gear 13, the worm 16 transmits the two first bevel gears 12, which can drive the two pulleys 7 to rotate at the same time, so that the support frame 1 and the instrument body 3 are lifted and lowered accordingly, which is convenient for adjusting the height of the support frame 1 and the instrument body 3. A groove 19 is provided inside the two sliding rods 6 and on one side of the limit cavity 11 to provide space for the passage of the first square shaft 17 and the second square shaft 18. A motor 26 is installed on the top of the support frame 1, and the output end of the motor 26 is connected to the worm 16 to provide power for the rotation of the worm 16. A signal receiver is installed in the driver of the motor 26, and a signal transmitter cooperating with the signal receiver is provided inside the remote control 2 to control the switch of the motor 26 and the lifting and lowering of the instrument.The top of the instrument body 3 and the bottom of the support frame 1 are respectively provided with a threaded column 27 and a threaded hole 28. The threaded connection structure facilitates the installation and removal of the support frame 1 and the instrument body 3, and allows for partial replacement. A connecting frame 25 is installed on the top of the support frame 1 and outside the motor 26.

[0023] In summary, when the new convenient well temperature logging instrument is in use, the sliding rods 6 on both sides of the sliding support frame 1 are slid to move into the sliding groove 5 in the support frame 1, and the second square shaft 18 in the sliding rod 6 slides into the first square shaft 17. At the same time, the sliding rod 6 drives the convex limit block 9 on the top to squeeze the telescopic spring 10, and the support frame 1 and the instrument body 3 are placed in the wellbore. The two sliding rods 6 are slowly released, and the telescopic spring 10 pushes the sliding rod 6 to reset, so that the two sliding rods 6 are expanded outward and against the wellbore, fixing the support frame 1. At this time, the motor 26 is controlled by the remote control 2 to operate, driving the worm 16 in the regulator 14 in the support frame 1 to rotate. Under the action of the worm gear 15 meshing with the worm gear 16 and the connection between the worm gear 15 and the two first square shafts 17, the two first square shafts 17 and the second square shaft 18 inside them are driven to rotate. Similarly, Through the meshing of the first bevel gear 12 and the second bevel gear 13, and the connection between the first bevel gear 12 and the pulley 7, the two second square shafts 18 are respectively connected to the two second bevel gears 13, so that the two first bevel gears 12 are transmitted, and the pulley 7 at one end of the two sliding rods 6 rotates accordingly, driving the support frame 1 and the instrument body 3 to move downward, and the probe 21, longitudinal detector 22, transverse detector 23, and temperature sensor 24 in the instrument body 3 perform information detection and temperature measurement on the wellbore. After completion, the motor 26 drives the worm 16 to rotate in the reverse direction, driving the support frame 1 and the instrument body 3 to rise, and take them out of the wellbore. Since the support frame 1 is threadedly connected to the instrument body 3, the instrument body 3 is rotated so that the threaded column 27 at its top is pulled out from the threaded hole 28 at the bottom of the support frame 1, and the support frame 1 can be separated from the instrument body 3.

[0024] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel convenient well temperature logging instrument, comprising a support frame (1) and a remote controller (2), characterized in that: The bottom of the support frame (1) is threadedly connected to the instrument body (3), the support frame (1) is provided with a slide groove (5), the slide groove (5) is internally slidably connected to two sliding rods (6), one end of each of the two sliding rods (6) is rotatably connected to a pulley (7), the support frame (1) is provided with a convex limiting groove (8) on both sides corresponding to the top of the slide groove (5), the convex limiting groove (8) is internally slidably connected to a convex limiting block (9), the two convex limiting blocks (9) are respectively connected to the two sliding rods (6), the convex limiting groove (8) is internally installed with a telescopic spring (10), one end of the telescopic spring (10) is connected to the convex limiting block (9), the two sliding rods (6) are provided with a limiting cavity (11), the limiting cavity (11) is internally rotatably connected to a first bevel gear (12) and a second bevel gear (13), the first bevel gear (12) and the second bevel gear (13) The first bevel gear (12) is connected to the pulley (7), and the inside of the slide groove (5) and the two sliding rods (6) are provided with an adjuster (14). The inside of the adjuster (14) is connected to a worm wheel (15) and a worm (16) for rotation. The worm wheel (15) and the worm (16) are meshed with each other. The corresponding two sides of the adjuster (14) are connected to a first square shaft (17) for rotation. The inside of the first square shaft (17) is connected to a second square shaft (18) for sliding. One end of the second square shaft (18) is connected to the second bevel gear (13). The worm wheel (15) is connected to the two first square shafts (17) respectively. A groove (19) is provided inside the two sliding rods (6) and on one side of the limiting cavity (11). A motor (26) is installed on the top of the support frame (1), and the output end of the motor (26) is connected to the worm (16).

2. A novel convenient well temperature logging instrument according to claim 1, characterized in that: A signal receiver is installed in the driver of the motor (26).

3. A novel convenient well temperature logging instrument according to claim 2, characterized in that: The remote controller (2) is internally provided with a signal transmitter that cooperates with a signal receiver.

4. A novel convenient well temperature logging instrument according to claim 1, characterized in that: A probe (21), a longitudinal detector (22), a transverse detector (23), and a temperature sensor (24) are sequentially installed inside the instrument body (3).

5. The novel convenient well temperature logging instrument according to claim 1, characterized in that: A centralizer (4) is installed at the bottom of the support frame (1).

6. A novel convenient well temperature logging instrument according to claim 1, characterized in that: The top of the instrument body (3) and the bottom of the support frame (1) are respectively provided with a threaded column (27) and a threaded hole (28) for threaded connection.

7. The novel convenient well temperature logging instrument according to claim 1, characterized in that: A connecting frame (25) is installed on the top of the support frame (1) and outside the motor (26).

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