Geophysical logging probe device self-adaptive to stratum change

Abstract

The utility model relates to the field of geophysical exploration, in particular to a geophysical logging probe device self-adaptive to stratum change, which comprises a first fixing column, a first square groove is arranged on the first fixing column, and a first limit groove is arranged in the first fixing column. According to the utility model, the motor in the third square groove drives the rotating shaft to drive the first gear to rotate, so that the cleaning brush rotates through the meshed second gear, sundries such as silt and dust on the surface of the probe and around the device are removed in time, the probe and the device are kept clean, and interference of the sundries on measurement data is avoided; secondly, a threaded rod on a rotating shaft is matched with a sliding block, and the sliding rod limits the sliding of the sliding block, so that the other group of cleaning brushes can slide back and forth under the driving of the threaded rod, the cleaning effect is further enhanced, the cleaning range is further expanded, and the cleaning effect is enhanced; and the stability and the reliability of the device in the long-time use process are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of geophysical exploration, especially to a geophysical well logging probe device self-adapting to stratum change. BACKGROUND

[0002] In the field of geophysical well logging, obtaining accurate and comprehensive stratum information is crucial for geological exploration, oil and gas exploitation and other work, and the traditional geophysical well logging probe device has exposed many problems when facing complex and changeable stratum environment, and the probe needs to be directly contacted with the stratum during the logging process. The stratum contains various silt, rock particles and other impurities, and these substances are easy to adhere to the surface of the probe, interfere with the collection and transmission of the geophysical signal by the probe, the traditional device lacks effective cleaning mechanism and can only rely on artificial regular cleaning, which is not only low in efficiency, but also extremely difficult to clean artificially in some harsh downhole environment, and even cannot be realized, and the impurities accumulated for a long time can seriously affect the measurement accuracy of the probe and reduce the reliability and service life of the device, and secondly, the traditional device has obvious short board in the protection of the probe and lacks effective protection mechanism, so that the probe is easy to be damaged by collision, scratching and the like, therefore, the geophysical well logging probe device self-adapting to stratum change is proposed. SUMMARY

[0003] Therefore, the embodiments of the utility model hope to provide a geophysical well logging probe device self-adapting to stratum change to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial choice.

[0004] The technical scheme of the embodiments of the utility model is realized as follows: a geophysical well logging probe device self-adapting to stratum change, comprising a first fixed column, a first square groove is arranged on the first fixed column, a first limiting groove is arranged in the first fixed column, and an adjusting mechanism for moving the device is installed on the first limiting groove.

[0005] The adjusting mechanism comprises a first air cylinder, the output end of the first air cylinder is fixedly connected to the first fixed column, a second fixed column is fixedly connected to the side of the first air cylinder away from the first fixed column, a first connecting rod is hingedly connected to the side of the second fixed column away from the first air cylinder, a second connecting rod is hingedly connected to the side of the first connecting rod away from the second fixed column, the second connecting rod is hingedly connected to the first fixed column on the side away from the first connecting rod, and a fixed shell is fixedly installed on the side of the first connecting rod away from the second fixed column.

[0006] In some embodiments: the second fixed column is provided with a second square groove, the first connecting rod is located in the second square groove, the inside of the second fixed column is provided with a second limiting groove, a second cylinder is fixedly installed in the second limiting groove, a limiting frame is arranged outside the second cylinder, the side of the limiting frame away from the second cylinder is fixed on the second fixed column, and a probe is fixedly installed on the output end of the second cylinder.

[0007] In some embodiments: the second fixed column is provided with a third limiting groove on the side away from the second limiting groove, the second limiting groove and the third limiting groove are communicated, the second fixed column is provided with a third square groove on the side close to the third limiting groove, and the second fixed column is provided with a ring-shaped groove on the side away from the third limiting groove.

[0008] In some embodiments: the third square groove is internally provided with a cleaning mechanism, the cleaning mechanism comprises a motor, an output end of the motor is fixedly connected with a rotating shaft, the rotating shaft is fixedly installed with a first gear, the first gear is meshingly connected with a second gear, the inner side of the second gear is fixedly installed with a cleaning brush, the cleaning brush is provided with two groups, the bottom of the second gear is fixedly installed with a fixed ring, and the fixed ring rotates in the ring-shaped groove.

[0009] In some embodiments: the rotating shaft penetrates and rotates on the second fixed column, the rotating shaft is provided with two groups, one end of the rotating shaft away from the motor is fixedly connected with a threaded rod, the outer side of the threaded rod is threadedly connected with a sliding block, the sliding block is provided with two groups, and the cleaning brush is installed between the two groups of sliding blocks.

[0010] In some embodiments: one group of the sliding blocks slides a sliding rod, the second fixed column is provided with a sliding groove and a fixed groove on the two sides away from the third square groove, respectively, the threaded rod and the sliding rod are located in the sliding groove, and the first gear is located in the fixed groove.

[0011] In some embodiments: the first square groove, the first connecting rod, the fixed shell, and the second connecting rod are provided with four groups.

[0012] The above technical scheme is adopted in the embodiment of the utility model, and the following advantages are obtained:

[0013] The utility model discloses a third party groove's motor drive rotating shaft, and then drive first gear rotation, and then through the meshing second gear makes the cleaning brush rotate, and timely remove the silt, dust and other sundries of the probe surface and the device around, keep the cleanliness of probe and device, avoid sundries's interference to the measured data, ensure the normal operation and detection accuracy of device, the threaded rod on the rotating shaft cooperates with the sliding block, and the sliding block's sliding restriction of the sliding rod, and the other group of cleaning brush can reciprocating slide under the drive of threaded rod, further enhance the effect and range of cleaning, enhance the cleaning effect, guarantee the stability and reliability of device in the long time use process.

[0014] Two, the utility model discloses through setting adjusting mechanism, including first air cylinder and hinged first connecting rod and second connecting rod etc. structure, when starting first air cylinder work, can change the angle and position of first connecting rod and second connecting rod, and then realize to open the fixed shell and expose the probe, can make the probe extend when needing and detect work, avoid the unnecessary collision and damage of probe, prolong the service life of probe, improve the flexibility and accuracy of detection simultaneously.

[0015] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present application will be readily apparent from the drawings and detailed description below. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0017] Figure 1 The overall structure of the utility model is shown Figure One ; The overall structure of the utility model is shown

[0018] The overall structure of the utility model is shown Figure 2 ; The overall structure of the utility model is shown Figure One ; The overall structure of the utility model is shown

[0019] The overall structure of the utility model is shown Figure 3 ; The overall structure of the utility model is shown Figure Two ; The overall structure of the utility model is shown

[0020] The overall structure of the utility model is shown Figure 4 ; The overall structure of the utility model is shown Figure Three ; The overall structure of the utility model is shown

[0021] The overall structure of the utility model is shown Figure 5The partial structure diagram of the utility model Figure Four .

[0022] Sign: 1, first fixed column; 2, first square groove; 3, first limit groove; 4, adjusting mechanism; 401, first cylinder; 402, second fixed column; 403, first connecting rod; 404, fixed shell; 405, second connecting rod; 5, second square groove; 6, second limit groove; 7, sliding groove; 8, third square groove; 9, fixed groove; 10, ring groove; 11, second cylinder; 12, limit frame; 13, probe; 14, cleaning mechanism; 141, motor; 142, rotating shaft; 143, first gear; 144, second gear; 145, cleaning brush; 146, fixed ring; 147, threaded rod; 148, sliding block; 149, sliding rod; 15, third limit groove. DETAILED DESCRIPTION

[0023] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0024] It should be noted that the terms "first", "second", "symmetric", "array" and the like are only used for distinguishing description and position description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "symmetric" and the like can explicitly or implicitly include one or more of the features; similarly, for some features that are not limited in number by the words "two", "three" and the like, it should be noted that the features also belong to explicitly or implicitly including one or more features in number;

[0025] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "fixing" and the like should be understood broadly; for example, it can be fixedly connected, or detachably connected, or integrally formed; it can be mechanically connected, or directly connected, or welded, or indirectly connected through an intermediate medium, or the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specification drawings in combination with specific circumstances.

[0026] Part of the technical problems, the main solution, the secondary technical problems and the coping method

[0027] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0028] As Figures 1-5The utility model discloses an embodiment provides a geophysical well logging probe device that is self -adaptation stratum changes, including first fixed post 1, be provided with first square groove 2 on first fixed post 1, the inside of first fixed post 1 is provided with first limit groove 3, be installed for adjusting mechanism 4 of moving device on first limit groove 3,

[0029] Adjusting mechanism 4 includes first cylinder 401, the output end of first cylinder 401 is fixedly connected on first fixed post 1, first cylinder 401 is fixedly connected with second fixed post 402 on the side away from first fixed post 1, first connecting rod 403 is hingedly connected on the side away from first cylinder 401 of second fixed post 402, second connecting rod 405 is hingedly connected on the side away from first connecting rod 403 of second fixed post 402, and first connecting rod 403 is fixedly installed with fixed shell 404 on the side away from second fixed post 402.

[0030] Specifically, second square groove 5 is arranged on second fixed post 402, first connecting rod 403 is located in second square groove 5, second fixed post 402 is provided with second limit groove 6 in the inside, second cylinder 11 is fixedly installed in second limit groove 6, limit frame 12 is arranged on the outside of second cylinder 11, limit frame 12 is fixed on the side away from second cylinder 11 of second fixed post 402, and the output end of second cylinder 11 is fixedly installed with probe 13.

[0031] Specifically, third limit groove 15 is arranged on the side away from second limit groove 6 of second fixed post 402, and second limit groove 6 and third limit groove 15 are communicated, third square groove 8 is arranged on the side close to third limit groove 15 of second fixed post 402, and ring type groove 10 is arranged on the side away from third limit groove 15 of second fixed post 402.

[0032] Specifically, cleaning mechanism 14 is installed in the inside of third square groove 8, and cleaning mechanism 14 includes motor 141, the output end of motor 141 is fixedly connected with rotating shaft 142, rotating shaft 142 is fixedly installed with first gear 143 on the rotating shaft 142, first gear 143 is hingedly connected with second gear 144, second gear 144 is fixedly installed with cleaning brush 145 on the inside of second gear 144, cleaning brush 145 is provided with two groups, second gear 144 is fixedly installed with fixed ring 146 on the bottom, and fixed ring 146 rotates in ring type groove 10.

[0033] Specifically, rotating shaft 142 penetrates and rotates on second fixed post 402, rotating shaft 142 is provided with two groups, one end of a group of rotating shaft 142 is fixedly connected with threaded rod 147 away from motor 141, threaded rod 147 is screw-connected with sliding block 148 on the outside of threaded rod 147, sliding block 148 is provided with two groups, and cleaning brush 145 is installed between two groups of sliding blocks 148.

[0034] Specifically, a group of sliders 148 slide with a slide rod 149, and the second fixed column 402 is provided with a sliding groove 7 and a fixed groove 9 on both sides of the third party groove 8, the threaded rod 147 and the slide rod 149 are located in the sliding groove 7, and the first gear 143 is located in the fixed groove 9.

[0035] Specifically, the first square groove 2, the first connecting rod 403, the fixed shell 404 and the second connecting rod 405 are all provided with four groups.

[0036] In the embodiment, specifically, the device is placed at the position to be detected, and then the first connecting rod 403 and the second connecting rod 405 are changed in angle and position when the first cylinder 401 works, so as to open the fixed shell 404 and expose the probe 13. After the probe 13 is extended, the geophysical data of the target stratum is collected, for example, the resistivity and radioactivity of the stratum are measured. When the measurement at the current position is completed or the probe 13 is damaged, the second cylinder 11 is controlled to retract, so that the probe 13 is retracted into the second limiting groove 6. At the same time, the first connecting rod 403 and the second connecting rod 405 are changed in angle and position when the first cylinder 401 works, so as to close the fixed shell 404, avoid the probe 13 from being damaged by collision and scraping, and then the cleaning mechanism 14 is started after the probe 13 works for a period of time. In order to ensure the cleanliness and measurement accuracy of the probe 13, the motor 141 in the third party groove 8 starts to work, the output end of the motor 141 drives the rotating shaft 142 to rotate, and then the second gear 144 is engaged to drive the cleaning brush 145 to rotate, so as to timely remove the dirt and dust around the device and on the surface of the probe 13, keep the probe 13 and the device clean, avoid the interference of the dirt on the measurement data, and ensure the normal operation and detection accuracy of the device. The threaded rod 147 on the rotating shaft 142 cooperates with the slider 148, and the slide rod 149 limits the sliding of the slider 148, so that the other group of cleaning brushes 145 can reciprocate under the driving of the threaded rod 147, further enhancing the cleaning effect and range, and enhancing the cleaning effect. At the same time, the second cylinder 11 in the second limiting groove 6 is started, and the second cylinder 11 works stably under the constraint and support of the limiting frame 12, and the output end of the second cylinder 11 drives the probe 13 to move in the second limiting groove 6, so as to increase the cleaning strength and ensure the stability and reliability of the device during long-term use.

[0037] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An adaptive stratigraphic change geophysical well logging probe device, comprising a first fixed column (1), a first square groove (2) is arranged on the first fixed column (1), and a first limiting groove (3) is arranged in the inside of the first fixed column (1), characterized in that, The first limiting groove (3) is provided with an adjusting mechanism (4) for moving the device; The adjusting mechanism (4) comprises a first air cylinder (401), the output end of the first air cylinder (401) is fixedly connected to the first fixed column (1), the side of the first air cylinder (401) away from the first fixed column (1) is fixedly connected with a second fixed column (402), the side of the second fixed column (402) away from the first air cylinder (401) is hingedly connected with a first connecting rod (403), the side of the first connecting rod (403) away from the second fixed column (402) is hingedly connected with a second connecting rod (405), the side of the second connecting rod (405) away from the first connecting rod (403) is hingedly connected to the first fixed column (1), and the side of the first connecting rod (403) away from the second fixed column (402) is fixedly connected with a fixed shell (404).

2. The geophysical well logging probe apparatus of claim 1, wherein: The second fixed column (402) is provided with a second square groove (5), the first connecting rod (403) is located in the second square groove (5), the inside of the second fixed column (402) is provided with a second limiting groove (6), the second limiting groove (6) is fixedly connected with a second air cylinder (11), the outside of the second air cylinder (11) is provided with a limiting frame (12), the side of the limiting frame (12) away from the second air cylinder (11) is fixed to the second fixed column (402), and the output end of the second air cylinder (11) is fixedly connected with a probe (13).

3. An adaptive formation varying geophysical well-logging probe apparatus as defined in claim 2, wherein: The side of the second fixed column (402) away from the second limiting groove (6) is provided with a third limiting groove (15), the second limiting groove (6) and the third limiting groove (15) are communicated, the side of the second fixed column (402) close to the third limiting groove (15) is provided with a third square groove (8), and the side of the second fixed column (402) away from the third limiting groove (15) is provided with a ring-shaped groove (10).

4. An adaptive formation varying geophysical well-logging probe apparatus as defined in claim 3, wherein: The inside of the third square groove (8) is fixedly connected with a cleaning mechanism (14), the cleaning mechanism (14) comprises a motor (141), the output end of the motor (141) is fixedly connected with a rotating shaft (142), the rotating shaft (142) is fixedly connected with a first gear (143), the first gear (143) is hingedly connected with a second gear (144), the inside of the second gear (144) is fixedly connected with a cleaning brush (145), the cleaning brush (145) is provided with two groups, the bottom of the second gear (144) is fixedly connected with a fixed ring (146), and the fixed ring (146) rotates in the ring-shaped groove (10).

5. An adaptive formation varying geophysical well-logging probe apparatus as defined in claim 4, wherein: The rotating shaft (142) penetrates and rotates in the second fixed column (402), the rotating shaft (142) is provided with two groups, one end of one group of the rotating shaft (142) away from the motor (141) is fixedly connected with a threaded rod (147), the outside of the threaded rod (147) is threadedly connected with a sliding block (148), the sliding block (148) is provided with two groups, and the cleaning brush (145) is arranged between the two groups of sliding blocks (148).

6. An adaptive formation varying geophysical well-logging probe apparatus as defined in claim 5, wherein: A group of the sliding block (148) sliding has a slide bar (149), the second fixed column (402) is away from both sides of the third party groove (8) respectively provided with a sliding groove (7) and a fixed groove (9), the threaded rod (147) and the slide bar (149) are located in the sliding groove (7), and the first gear (143) is located in the fixed groove (9).

7. The geophysical well-logging probe apparatus of claim 1, wherein: The first side groove (2), the first connecting rod (403), the fixed shell (404) and the second connecting rod (405) are provided with four groups.

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