Locator for oil well logging
By designing support devices, including pad plates, support frames, main wheels, subwheels, threaded rods and cleaning brushes, the friction and wear of the logging instrument connection line and the well wall in oil drilling is solved, and the service life of the logging instrument is improved and cleaning effect.
Patent Information
- Application Number
- CN202420214458.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-30
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-01-30
AI Technical Summary
During oil drilling, the ultrasonic imaging logger lacks a support mechanism, which causes friction between the connecting line and the well wall, making it easy to cause wear problems.
A locator for petroleum logging is designed, including instruments and support devices, which supports and cleans the connecting wires through components such as pads, support frames, main wheels, subwheels, threaded rods, clamps and cleaning brushes, reducing the connection lines. Friction and wear with the well wall.
It effectively reduces friction and wear between the connecting line and the well wall, improves the service life of the well logger, and reduces the adhesion of the connecting line through the cleaning device.
Smart Images
Figure CN222350697U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of petroleum, in particular to a positioning instrument used for petroleum well logging. Background Art
[0002] Petroleum refers to a mixture of gaseous, liquid and solid hydrocarbons in natural forms. Petroleum is divided into crude oil, natural gas, natural gas liquid and natural tar, but it is customary to use "petroleum" as the definition of "crude oil". Petroleum is a viscous, dark brown liquid, known as the "blood of industry."
[0003] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: when conducting oil drilling, ultrasonic imaging logging instruments are used. During use, since most logging instruments lack a supporting mechanism, when the detector falls, the connecting wires will fit against the well wall, which may cause the connecting wires to be worn. Therefore, a positioning instrument for oil logging is proposed to address the above-mentioned problems. Utility Model Content
[0004] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.
[0005] The technical solution adopted by the utility model to solve its technical problems is: the locator for oil well logging described in the utility model comprises an instrument and a supporting device, a connecting line is fixedly connected to the surface of the instrument, and a detector is fixedly connected to the bottom end of the connecting line; a supporting device is provided on the surface of the connecting line, and the supporting device comprises a pad, the pad is located on the side wall of the instrument, a supporting frame is fixedly connected to the upper surface of the pad, a main wheel is rotatably connected to the inner wall of the supporting frame, and a secondary wheel is rotatably connected to the inner wall of the supporting frame, the main wheel and the secondary wheel are located on the surface of the connecting line, and when the connecting line moves, it will move on the surface of the main wheel and the secondary wheel, and the main wheel and the secondary wheel rotate on the inner wall of the supporting frame, and by arranging the pad, the supporting frame, the main wheel and the secondary wheel, the connecting line can be supported to a certain extent, and the situation where the connecting line drags on the ground or rubs against the well wall is reduced.
[0006] Preferably, the upper surface of the pad is rotatably connected to two threaded rods, and the surfaces of the threaded rods are threadedly connected to a moving block. When the moving block needs to be moved in height, the threaded rods are rotated to allow the threaded rods to rotate on the inner wall of the moving block, and the moving block will move up and down. By setting the threaded rods, the height of the moving block can be easily moved.
[0007] Preferably, the inner walls of the two moving blocks are rotatably connected with clamping wheels, and the clamping wheels are located on the surface of the connecting line. A threaded hole is opened on the surface of the moving block, and the inner wall of the threaded hole of the moving block is threadedly connected to the surface of the threaded rod. When the moving block moves, the moving block drives the clamping wheel to move, and the clamping wheel is clamped on the surface of the connecting line. When the connecting line moves, it drives the clamping wheel to rotate. By setting the clamping wheel, the disorderly movement of the connecting line can be reduced.
[0008] Preferably, a fixing frame is fixedly connected to the upper surface of the pad near the threaded rod, and the inner wall of the fixing frame is rotatably connected to the surface of the threaded rod. When the threaded rod rotates, the threaded rod rotates on the inner wall of the fixing frame, and the fixing frame can support the threaded rod to a certain extent.
[0009] Preferably, the side wall of the pad is provided with a cleaning device, which includes a placement rack, the side wall of the placement rack is fixedly connected to the side wall of the pad, the inner wall of the placement rack is slidably connected to two sliding columns, and the surfaces of the two sliding columns are fixedly connected to cleaning brushes, the cleaning brush is located on the surface of the connecting line, the cleaning brush fits the connecting line, and will move on the surface of the cleaning brush when the connecting line moves. The connecting line can be cleaned by setting the cleaning brush.
[0010] Preferably, the side wall of the sliding column is fixedly connected with a support block, and the support block and the inner wall of the placement rack are threadedly connected with a positioning pin, and the positioning pin is rotated to the support block and the inner wall of the placement rack, so that the positioning pin can limit the position of the sliding column.
[0011] The utility model is beneficial in that:
[0012] 1. When the detector needs to be used, the utility model places the pad in a suitable position, and then places the connecting wire on the surface of the main wheel and the secondary wheel, and then rotates the threaded rod to allow the threaded rod to rotate on the inner wall of the threaded hole of the moving block and the inner wall of the fixed frame, the moving block will move, the moving block drives the clamping wheel to move, the clamping wheel fits the connecting wire, and when the connecting wire moves, the connecting wire will move on the surface of the clamping wheel, the main wheel and the secondary wheel, the clamping wheel rotates on the inner wall of the moving block, and the main wheel and the secondary wheel rotate on the inner wall of the support frame. By arranging the pad, the support frame, the main wheel and the secondary wheel, the connecting wire can be supported to a certain extent, and the clamping wheel can reduce the situation where the connecting wire falls off from the surface of the main wheel and the secondary wheel. The entire device can reduce the possibility of wear between the connecting wire and the well wall.
[0013] 2. When the utility model needs to use the connecting line, the support block is pushed to allow the support block to drive the sliding column to slide, and the sliding column slides on the inner wall of the placement rack. When the sliding column slides, it drives the cleaning brush to slide, and the cleaning brush fits the surface of the connecting line. Then the positioning pin is rotated to the support block and the inner wall of the placement rack. When the connecting line moves, it will slide on the surface of the cleaning brush. By providing the cleaning brush, the connecting line can be cleaned to reduce the situation where debris adheres to the connecting line. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0015] Figure 1 The figure is a schematic diagram of the three-dimensional structure of an instrument in a locator used for oil well logging;
[0016] Figure 2 A schematic diagram of the explosion structure of a support device in a locator used for oil well logging;
[0017] Figure 3 The figure is a schematic diagram of the side view structure of an instrument in a locator used for oil well logging;
[0018] Figure 4 For positioning instruments used in oil well logging Figure 3 Schematic diagram of the structure at point A.
[0019] In the figure: 1. Instrument; 2. Connecting wire; 3. Detector; 4. Support device; 41. Pad; 42. Support frame; 43. Main wheel; 44. Secondary wheel; 45. Threaded rod; 46. Moving block; 47. Clamping wheel; 48. Threaded hole; 49. Fixed frame; 5. Cleaning device; 51. Placement frame; 52. Sliding column; 53. Cleaning brush; 54. Support block; 55. Positioning pin. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-4As shown, a positioning instrument for oil well logging includes an instrument 1 and a supporting device 4, wherein a connecting line 2 is fixedly connected to the surface of the instrument 1, and a detector 3 is fixedly connected to the bottom end of the connecting line 2; a supporting device 4 is provided on the surface of the connecting line 2, and the supporting device 4 includes a pad 41, wherein the pad 41 is located on the side wall of the instrument 1, and a supporting frame 42 is fixedly connected to the upper surface of the pad 41, and a main wheel 43 is rotatably connected to the inner wall of the supporting frame 42, and a secondary wheel 44 is rotatably connected to the inner wall of the supporting frame 42, and the main wheel 43 and the secondary wheel 44 are located on the surface of the connecting line 2; when working, the pad 41 is placed in a suitable position, and the connecting line 2 is placed on the surface of the main wheel 43 and the secondary wheel 44, and when the connecting line 2 moves, it will move on the surface of the main wheel 43 and the secondary wheel 44, and the main wheel 43 and the secondary wheel 44 rotate on the inner wall of the supporting frame 42, and by arranging the pad 41, the supporting frame 42, the main wheel 43 and the secondary wheel 44, the connecting line 2 can be supported to a certain extent, and the situation where the connecting line 2 drags on the ground or rubs against the well wall is reduced.
[0022] The upper surface of the pad 41 is rotatably connected to two threaded rods 45, and the surface of the threaded rod 45 is threadedly connected to a moving block 46; when working, the threaded rod 45 is rotated to allow the threaded rod 45 to rotate on the inner wall of the moving block 46, and the moving block 46 will move up and down. By setting the threaded rod 45, the height of the moving block 46 can be easily moved.
[0023] The inner walls of the two moving blocks 46 are rotatably connected with clamping wheels 47, and the clamping wheels 47 are located on the surface of the connecting line 2. A threaded hole 48 is opened on the surface of the moving block 46, and the inner wall of the threaded hole 48 of the moving block 46 is threadedly connected to the surface of the threaded rod 45; when working, the moving block 46 drives the clamping wheel 47 to move, and the clamping wheel 47 is clamped on the surface of the connecting line 2. When the connecting line 2 moves, it will drive the clamping wheel 47 to rotate. When the threaded rod 45 rotates, the threaded rod 45 will rotate on the inner wall of the threaded hole 48 of the moving block 46. By setting the clamping wheel 47, the situation of the connecting line 2 moving randomly can be reduced.
[0024] A fixing frame 49 is fixedly connected to the upper surface of the pad 41 near the threaded rod 45, and the inner wall of the fixing frame 49 is rotatably connected to the surface of the threaded rod 45; during operation, the threaded rod 45 rotates on the inner wall of the fixing frame 49, and the fixing frame 49 can support the threaded rod 45 to a certain extent.
[0025] The side wall of the pad 41 is provided with a cleaning device 5, and the cleaning device 5 includes a placement rack 51, and the side wall of the placement rack 51 is fixedly connected to the side wall of the pad 41, and the inner wall of the placement rack 51 is slidably connected to two sliding columns 52, and the surfaces of the two sliding columns 52 are fixedly connected with cleaning brushes 53, and the cleaning brushes 53 are located on the surface of the connecting line 2; when working, the sliding column 52 is pushed to make the sliding column 52 slide on the inner wall of the placement rack 51, and the sliding column 52 drives the cleaning brush 53 to slide, and the cleaning brush 53 is in contact with the connecting line 2. When the connecting line 2 moves, it will move on the surface of the cleaning brush 53. By setting the cleaning brush 53, the connecting line 2 can be cleaned.
[0026] The side wall of the sliding column 52 is fixedly connected with a support block 54, and the support block 54 and the inner wall of the placement rack 51 are threadedly connected with a positioning pin 55; when working, the sliding column 52 will drive the support block 54 to slide, and after the support block 54 is attached to the placement rack 51, the positioning pin 55 is rotated to the support block 54 and the inner wall of the placement rack 51, and the positioning pin 55 can limit the position of the sliding column 52.
[0027] Working principle: when the detector 3 needs to be used, the pad 41 is placed in a suitable position, and then the connecting line 2 is placed on the surface of the main wheel 43 and the secondary wheel 44, and then the threaded rod 45 is rotated to allow the threaded rod 45 to rotate on the inner wall of the threaded hole 48 of the moving block 46 and the inner wall of the fixing frame 49, and the moving block 46 will move, and the moving block 46 drives the clamping wheel 47 to move, and the clamping wheel 47 fits the connecting line 2. When the connecting line 2 moves, the connecting line 2 will move on the surface of the clamping wheel 47, the main wheel 43 and the secondary wheel 44, and the clamping wheel 47 rotates on the inner wall of the moving block 46, and the main wheel 43 and the secondary wheel 44 rotate on the inner wall of the support frame 42. By setting the pad 41, the support frame 42, the main wheel 43 and the secondary wheel 44, it can be achieved to a certain extent. The upper support connecting line 2, and the clamping wheel 47 can reduce the possibility of the connecting line 2 falling off the surface of the main wheel 43 and the secondary wheel 44. The whole device can reduce the possibility of wear between the connecting line 2 and the well wall; when the connecting line 2 is needed, the support block 54 is pushed to allow the support block 54 to drive the sliding column 52 to slide, and the sliding column 52 slides on the inner wall of the placement frame 51. When the sliding column 52 slides, it will drive the cleaning brush 53 to slide, and the cleaning brush 53 fits the surface of the connecting line 2, and then the positioning pin 55 is rotated to the support block 54 and the inner wall of the placement frame 51. When the connecting line 2 moves, it will slide on the surface of the cleaning brush 53. By setting the cleaning brush 53, the connecting line 2 can be cleaned, reducing the situation of debris adhering to the connecting line 2.
[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A positioning instrument for oil well logging, comprising an instrument (1) and a supporting device (4), wherein a connecting line (2) is fixedly connected to the surface of the instrument (1), and a detector (3) is fixedly connected to the bottom end of the connecting line (2); characterized in that: A support device (4) is provided on the surface of the connecting line (2), and the support device (4) comprises a pad (41), and the pad (41) is located on the side wall of the instrument (1); the upper surface of the pad (41) is fixedly connected to a support frame (42); the inner wall of the support frame (42) is rotatably connected to a main wheel (43); the inner wall of the support frame (42) is rotatably connected to a secondary wheel (44); the main wheel (43) and the secondary wheel (44) are located on the surface of the connecting line (2).
2. The locator for oil well logging according to claim 1, characterized in that: Two threaded rods (45) are rotatably connected to the upper surface of the pad (41), and a moving block (46) is threadedly connected to the surface of the threaded rod (45).
3. The locator for oil well logging according to claim 2, characterized in that: The inner walls of the two moving blocks (46) are rotatably connected with a clamping wheel (47), the clamping wheel (47) is located on the surface of the connecting line (2), a threaded hole (48) is opened on the surface of the moving block (46), and the inner wall of the threaded hole (48) of the moving block (46) is threadedly connected to the surface of the threaded rod (45).
4. The locator for oil well logging according to claim 3, characterized in that: A fixing frame (49) is fixedly connected to the upper surface of the pad (41) at a position close to the threaded rod (45), and the inner wall of the fixing frame (49) is rotatably connected to the surface of the threaded rod (45).
5. The locator for oil well logging according to claim 1, characterized in that: The side wall of the pad (41) is provided with a cleaning device (5), and the cleaning device (5) comprises a placement rack (51), the side wall of the placement rack (51) is fixedly connected to the side wall of the pad (41), and the inner wall of the placement rack (51) is slidably connected to two sliding columns (52), and the surfaces of the two sliding columns (52) are fixedly connected to cleaning brushes (53), and the cleaning brushes (53) are located on the surface of the connecting line (2).
6. The locator for oil well logging according to claim 5, characterized in that: A support block (54) is fixedly connected to the side wall of the slide column (52), and a positioning pin (55) is threadedly connected between the support block (54) and the inner wall of the placement frame (51).