Gyro inclinometer for measurement while drilling
By incorporating a protective body, shock absorber, and elastic element into the gyro inclinometer, the problem of equipment damage caused by drilling vibration was solved, and the measurement accuracy and stability were improved.
Patent Information
- Application Number
- CN202520679648.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-04-11
AI Technical Summary
Existing gyroscope inclinometers used in drilling are easily damaged by borehole vibrations, affecting measurement accuracy.
A gyro inclinometer structure was designed, comprising a protective body, a shock absorber, and an elastic element. By incorporating a built-in gyro inclinometer and using a shock absorber and inner protective pad to reduce vibration, combined with the elastic element for stable compression, it provides all-round protection.
It effectively reduces the damage to the gyro inclinometer caused by drilling vibration, and improves measurement accuracy and equipment stability.
Smart Images
Figure CN223781428U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gyroscopic inclinometer technical field, specifically point to a kind of gyroscopic inclinometer for while drilling measurement. BACKGROUND
[0002] In the process of coal, iron ore, oil exploration, the directional drilling hole is urgently needed, since it is in the iron ore area and iron casing directional, so the original ordinary inclinometer is difficult to meet the requirements, the azimuth of drilling hole is difficult to determine, and the gyroscopic inclinometer for while drilling measurement is started to be used, so as to improve the measurement accuracy.
[0003] The gyroscopic inclinometer for while drilling is generally designed to be arranged in drill pipe during drilling process, but such arrangement can cause the instrument in gyroscopic inclinometer to be easily damaged due to vibration of drilling hole in actual use, and can also easily affect the measurement accuracy. UTILITY MODEL CONTENT
[0004] The utility model solves the technical problems in the above background technology, and provides a gyroscopic inclinometer for while drilling measurement with reduced shock feeling.
[0005] To solve the above technical problems, the utility model provides a technical scheme of a gyroscopic inclinometer for while drilling measurement, which comprises a gyroscopic inclinometer device, a threaded upper casing drill pipe and a lower fixed drill pipe.
[0006] The upper cover and the lower cover are connected with a first shock absorber and a second shock absorber on the inner side, respectively, and the gyroscopic inclinometer device is clamped between the first shock absorber and the second shock absorber.
[0007] The upper cover is connected with a supporting base on the top, and the supporting base is elastically connected with an elastic member.
[0008] Further, the lower fixed drill pipe is connected with a threaded connection block on the top, and the upper casing drill pipe is provided with a connecting internal thread matched with the threaded connection block on the bottom, so as to facilitate the connection operation of the upper casing drill pipe and the lower fixed drill pipe.
[0009] Further, the protective main body is connected with an inner protective pad wrapped around the gyroscopic inclinometer device in the middle, so as to facilitate the protective operation.
[0010] Further, the protective main body is connected with a limiting positioning strip on the outer side, and the upper casing drill pipe is provided with a limiting positioning groove matched with the limiting positioning strip on the inner side, so as to facilitate the connection operation of the protective main body.
[0011] Further, the top of the elastic member is connected with a positioning slot, and the upper sleeve drill rod is internally provided with a positioning plug matched with the positioning slot, so that the top positioning operation is facilitated.
[0012] Further, the support base is internally provided with a limiting cavity, the elastic member extends into the limiting cavity and is connected with a limiting plate, and the limiting plate is connected with a plurality of springs at the bottom, so that the elastic member is provided with elastic force.
[0013] Compared with the prior art, the gyroscopic inclinometer for while-drilling measurement has the advantages that: the gyroscopic inclinometer device is built-in the protection main body, the shock absorber and the inner protection pad are used to provide protection and shock absorption for the gyroscopic inclinometer device, and then the elastic device is stably pressed in the upper sleeve drill rod, so that the gyroscopic inclinometer device is provided with protection. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is an explosion structure schematic view of a gyroscopic inclinometer for while-drilling measurement.
[0015] Figure 2 It is a first structure schematic view of a gyroscopic inclinometer for while-drilling measurement.
[0016] Figure 3 It is a side cross-sectional structure schematic view of a gyroscopic inclinometer for while-drilling measurement.
[0017] Figure 4 It is a protection main body cross-sectional structure schematic view of a gyroscopic inclinometer for while-drilling measurement.
[0018] As shown in the drawings: 1, protection main body; 2, upper sleeve drill rod; 3, lower fixed drill rod; 4, connecting inner thread; 5, threaded connection block; 6, gyroscopic inclinometer device; 7, first shock absorber; 8, second shock absorber; 9, inner protection pad; 10, support base; 11, elastic member; 12, positioning slot; 13, positioning plug; 14, limiting positioning strip; 15, limiting positioning groove; 16, limiting cavity; 17, limiting plate; 18, spring; 19, upper fixing cover; 20, lower fixing cover. DETAILED DESCRIPTION
[0019] The utility model makes further detailed description in combination with the drawings.
[0020] In combination with the drawings Figures 1-4 A gyroscopic inclinometer for while-drilling measurement, comprising a gyroscopic inclinometer device 6, a threaded upper sleeve drill rod 2 and a lower fixed drill rod 3, the lower fixed drill rod 3 is connected with a threaded connection block 5 at the top, and the upper sleeve drill rod 2 is internally provided with a connecting inner thread 4 matched with the threaded connection block 5, which is a common drill rod connection structure, so no more description is made.
[0021] The upper sleeve drill rod 2 is sleeved with the protection main body 1, the outer side of the protection main body 1 is connected with the limiting positioning strips 14, the inside of the upper sleeve drill rod 2 is provided with the limiting positioning grooves 15 matched with the limiting positioning strips 14, the limiting positioning strips 14 and the limiting positioning grooves 15 are all provided with a plurality of limiting positioning strips 14 and limiting positioning grooves 15 can guarantee the stability of the protection main body 1 and the upper sleeve drill rod 2 and the rotation deviation does not occur, the upper fixing cover 19 and the lower fixing cover 20 are connected with the upper fixing cover 19 and the lower fixing cover 20 through upper and lower bolts, the first shock absorber 7 and the second shock absorber 8 are connected with the inside of the upper fixing cover 19 and the lower fixing cover 20 respectively, the gyroscopic inclinometer device 6 is clamped in the middle of the first shock absorber 7 and the second shock absorber 8, the inner protection pad 9 is connected with the gyroscopic inclinometer device 6 in the middle of the protection main body 1, the gyroscopic inclinometer device 6 can be clamped in the middle through the first shock absorber 7 and the second shock absorber 8, better up and down damping force can be provided when drilling, and the gyroscopic inclinometer device 6 can be stably wrapped around through the setting of the inner protection pad 9, and the vibration from the surrounding is reduced.
[0022] The upper fixing cover 19 is connected with the support base 10 at the top, the support base 10 is elastically connected with the elastic piece 11, the elastic piece 11 is connected with the positioning slot 12 at the top, the upper sleeve drill rod 2 is connected with the positioning plug 13 matched with the positioning slot 12 at the top, the positioning slot 12 and the positioning plug 13 are set, so that internal rapid positioning can be facilitated when installation, the support base 10 is provided with the limiting cavity 16, the elastic piece 11 is connected with the limiting plate 17 in the limiting cavity 16, the limiting plate 17 is connected with a plurality of springs 18 at the bottom, the elastic piece 11 is set, so that the upper sleeve drill rod 2 and the lower fixed drill rod 3 can be connected in a compressed state at the top when the protection main body 1 is installed, and the up and down movement space of the protection main body 1 in the upper sleeve drill rod 2 is reduced to the maximum extent.
[0023] The above describes the present application and its embodiments, which are not limited, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the present application, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the present application.
Claims
1. A gyroscopic surveying instrument for measurement while drilling, comprising a gyroscopic surveying instrument device (6), a threadedly connected upper kelly (2) and a lower fixed drill pipe (3), characterized in that: The upper sleeve drill rod (2) is sleeved with a protection main body (1), the upper and lower sides of the protection main body (1) are bolted and fixedly connected with upper and lower fixed covers (19) and (20); The inner sides of the upper and lower fixed covers (19) and (20) are respectively connected with first and second shock absorbers (7) and (8), and the middle of the first and second shock absorbers (7) and (8) clamps a gyro inclinometer device (6); The top of the upper fixed cover (19) is connected with a supporting base (10), and the supporting base (10) is elastically connected with an elastic member (11).
2. A gyroscopic toolface sensor for use in a measurement-while-drilling operation as defined in claim 1, wherein: The top of the lower fixed drill rod (3) is connected with a threaded connecting block (5), and the inner bottom of the upper sleeve drill rod (2) is provided with a connecting inner thread (4) matched with the threaded connecting block (5).
3. A gyroscopic toolface sensor for use in a measurement-while-drilling system as defined in claim 1, wherein: The middle of the protection main body (1) is connected with an inner protection pad (9) wrapping the gyro inclinometer device (6).
4. A gyroscopic toolface sensor for use in a measurement-while-drilling operation as defined in claim 1, wherein: The outer side of the protection main body (1) is connected with a limiting positioning strip (14), and the inner side of the upper sleeve drill rod (2) is provided with a limiting positioning groove (15) matched with the limiting positioning strip (14).
5. A gyroscopic toolface sensor for use in a measurement-while-drilling operation as defined in claim 1, wherein: The top of the elastic member (11) is connected with a positioning slot (12), and the inner top of the upper sleeve drill rod (2) is connected with a positioning plug (13) matched with the positioning slot (12).
6. A gyroscopic toolface sensor for use in a measurement-while-drilling operation as defined in claim 1, wherein: The supporting base (10) is provided with a limiting cavity (16), the elastic member (11) extends into the limiting cavity (16) and is connected with a limiting plate (17), and the bottom of the limiting plate (17) is connected with a plurality of springs (18).