CN202673279U - Calibration console of inclinometer while drilling - Google Patents
Calibration console of inclinometer while drilling Download PDFInfo
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- CN202673279U CN202673279U CN 201220216330 CN201220216330U CN202673279U CN 202673279 U CN202673279 U CN 202673279U CN 201220216330 CN201220216330 CN 201220216330 CN 201220216330 U CN201220216330 U CN 201220216330U CN 202673279 U CN202673279 U CN 202673279U
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Abstract
The utility model relates to a calibration console of an inclinometer while drilling. The calibration console comprises a base support, a testing platform is arranged on the base support through three adjustable screws, a testing benchmark and two spirit bubbles are arranged on the testing platform, the testing benchmark is a triangular support formed by connecting a 0-degree benchmark bracket, a 45-degree benchmark bracket and a 90-degree benchmark bracket, the 90-degree benchmark bracket is horizontally fixed on the testing platform, the 0-degree benchmark bracket is vertically fixed at one end of the 90-degree benchmark bracket arranged on the testing platform, the 45-degree benchmark bracket is connected between the 0-degree benchmark bracket and the 90-degree benchmark bracket, fixing members for fixing the inclinometer while drilling are arranged on the benchmark brackets, one spirit bubble is arranged on one side of the 0-degree benchmark bracket, and the other spirit bubble is arranged on one side of the 90-degree benchmark bracket. The calibration console is simple in structure and rapid to install, rapid regulation can be achieved through spirit bubble inspection and screw regulation, and a fixed standard testing angle with high precision is provided, so that the calibration console can be widely applied to precision calibration processes of the inclinometer while drilling during oil drilling field measurement operation.
Description
Technical field
The utility model relates to a kind of checking table, particularly about a kind of in oil measurement while drilling process, the checking table of the directional tool that the measuring well oblique angle is used.
Background technology
In recent years, along with the development of petroleum drilling technology, measurement while drilling and down-hole guiding control technology have had very much progress, and measurement while drilling and guiding control function are more and more, from strength to strength, such as the measurement of hole angle, azimuth, tool-face, resistivity, gamma, rock density, pressure etc.But the accuracy of measured value is very important for geosteering and formation evaluation, therefore, estimate, verification with the certainty of measurement of boring instrument for very necessary with the design of boring instrument.Existing directional tool adopts the inclinometer three-axle table to realize the verification of instrument, and this kind equipment is installed complicated, can not satisfy the quick verification requirement of Oil Field.
Summary of the invention
For the problems referred to above, it is easy to adjust that the purpose of this utility model provides a kind of installation, and precision is high, can realize to the directional tool that the measuring well oblique angle is used the checking table of quick verification.
The purpose of this utility model is achieved through the following technical solutions: a kind of checking table of directional tool, it is characterized in that: it comprises a base support, by three expansion screws one test platform is set on the described base support, is provided with a test benchmark and two spirit bubbles on the described test platform; Described test benchmark be one by 0 ° of benchmark frame, 45 ° of benchmark framves, 90 ° of triangular supports that the benchmark frame connects and composes, described 90 ° of benchmark framves are horizontally fixed on the described test platform; Described 0 ° of benchmark frame is vertically fixed on an end of the above 90 ° of benchmark frame of described test platform, and described 45 ° of benchmark framves are connected between described 0 ° of benchmark frame and the 90 ° of benchmark framves; Be provided with on each described benchmark frame for the fixing fixture of directional tool; In two described spirit bubbles, a described spirit bubble is arranged on a side of described 0 ° of benchmark frame, and another described spirit bubble is arranged on a side of described 90 ° of benchmark framves, and the axis of two described spirit bubbles is mutually vertical.
Three described expansion screws, wherein two be positioned on the described test platform, near an end of described 0 ° of benchmark frame; Another described expansion screw is arranged on the described test platform, away from an end of described 0 ° of benchmark frame.
The utility model is owing to take above technical scheme, it has the following advantages: 1, test platform of the present utility model is fixedly connected on the base support by three expansion screws, be provided with test benchmark and two spirit bubbles on the test platform, can finely tune the centre position that two bubbles in the spirit bubble are in spirit bubble by three expansion screws, therefore, can guarantee the level of test platform.2, test benchmark of the present utility model comprise 90 ° of benchmark framves being horizontally fixed on the test platform, be vertically fixed on 0 ° of benchmark frame on the test platform and be connected to 0 ° of benchmark frame and 90 ° of benchmark framves between 45 ° of benchmark framves, consist of triangular structure, be provided with fixture on three benchmark framves, be used for fixing by the downhole drill inclinometer of verification, avoided the adjustment process of directional tool three-axle table, realized that the quick verification of three typical angles is measured.3, the utility model arranges spirit bubble at test platform, be in the centre position of spirit bubble by the bubble in the expansion screw adjusting spirit bubble, utilize the principle of this spirit bubble, accurate hole angle can be provided, and with the hole angle contrast of downhole drill inclinometer well indication, thereby play the effect of verification directional tool accuracy.4, the utility model utilizes the principle of spirit bubble, the calibration reference that can reach three hole angles is: 0 ° ± 0.01 °, 45 ° ± 0.01 °, 90 ° ± 0.01 °, and the required precision of oil directional tool hole angle is ± 0.1 degree, therefore, the utility model can provide the benchmark that is higher than 10 times of tested accuracy of instruments.The utility model is simple in structure, installs fast, can steep by inspection AQL, adjustment screw realizes quick adjustment, provide precision higher fixed standard testing angle, therefore, in the time of can being widely used in the operation of oil drilling in-site measurement, in the checking procedure of directional tool precision.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is the schematic top plan view of Fig. 1
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
Such as Fig. 1, with shown in the of 2, the utility model comprises base support 1, test platform 2, test benchmark 3, fixture 4 and spirit bubble 5.
Spirit bubble 5 of the present utility model has two, and one of them is fixed on the test platform 2, between the side of 0 ° of benchmark frame 31, two expansion screws 6; Another is fixed on the test platform 2, a side of 90 ° of benchmark framves 33.The axis of two spirit bubbles 5 is mutually vertical.Two expansion screws 6 of test platform 2 one ends can be used for finely tuning the spirit bubble 5 of 0 ° of benchmark frame 31 1 side, make bubble stabilizes in the centre position of spirit bubble 5; An expansion screw 6 of test platform 2 other ends can be used for finely tuning the spirit bubble 5 of 90 ° of benchmark frame 33 1 sides, makes bubble stabilizes in the spirit bubble 5 of 90 ° of benchmark frame 33 1 sides in the centre position.Can realize three hole angle calibration references by this operation: 0 ° ± 0.01 °, 45 ° ± 0.01 °, 90 ° ± 0.01 °.
The utility model utilizes the principle of spirit bubble, and accurate hole angle benchmark can be provided, and with the hole angle contrast of directional tool indication, thereby play the effect of verification directional tool accuracy.Method of calibration of the present utility model may further comprise the steps.
1) directional tool to be verified being set up communication by private cable with the inclinometer testing equipment is connected;
2) verification of 0 ° of hole angle directional tool: directional tool is installed on 0 ° of benchmark frame 31 position, the Magnetic tools face angle of regulating respectively directional tool is 0 ° ± 3 °, 90 ° ± 3 °, 180 ° ± 3 °, 270 ° ± 3 ° four angles, under these four angle conditions, the output of the hole angle of record directional tool, and with the contrast of the hole angle precision index of inclinometer, judge whether to meet required precision;
3) verification of 45 ° of hole angle directional tools: directional tool is installed on 45 ° of benchmark frame 32 positions, the gravity toolface angle of regulating respectively directional tool is 0 ° ± 3 °, 90 ° ± 3 °, 180 ° ± 3 °, 270 ° ± 3 ° four angles, under these four angle conditions, the output of the hole angle of record directional tool, and with the contrast of the hole angle precision index of inclinometer, judge whether to meet required precision;
4) verification of 90 ° of hole angle directional tools: directional tool is installed on 90 ° of benchmark frame 33 positions, the gravity toolface angle of regulating respectively directional tool is 0 ° ± 3 °, 90 ° ± 3 °, 180 ° ± 3 °, 270 ° ± 3 ° four angles, under these four angle conditions, the output of the hole angle of record directional tool, and with the contrast of the hole angle precision index of inclinometer, judge whether to meet required precision;
5) directional tool that meets above-mentioned 12 location point required precisions can be used for the operation of oil drilling in-site measurement.
The various embodiments described above only are used for explanation the utility model; wherein the structure of each parts, connected mode etc. all can change to some extent; every equivalents and improvement of carrying out on the basis of technical solutions of the utility model all should do not got rid of outside protection domain of the present utility model.
Claims (2)
1. the checking table of a directional tool, it is characterized in that: it comprises a base support, by three expansion screws one test platform is set on the described base support, is provided with a test benchmark and two spirit bubbles on the described test platform; Described test benchmark be one by 0 ° of benchmark frame, 45 ° of benchmark framves, 90 ° of triangular supports that the benchmark frame connects and composes, described 90 ° of benchmark framves are horizontally fixed on the described test platform; Described 0 ° of benchmark frame is vertically fixed on an end of the above 90 ° of benchmark frame of described test platform, and described 45 ° of benchmark framves are connected between described 0 ° of benchmark frame and the 90 ° of benchmark framves; Be provided with on each described benchmark frame for the fixing fixture of directional tool; In two described spirit bubbles, a described spirit bubble is arranged on a side of described 0 ° of benchmark frame, and another described spirit bubble is arranged on a side of described 90 ° of benchmark framves, and the axis of two described spirit bubbles is mutually vertical.
2. the checking table of a kind of directional tool as claimed in claim 1 is characterized in that: three described expansion screws, wherein two be positioned on the described test platform, near an end of described 0 ° of benchmark frame; Another described expansion screw is arranged on the described test platform, away from an end of described 0 ° of benchmark frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220216330 CN202673279U (en) | 2012-05-14 | 2012-05-14 | Calibration console of inclinometer while drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220216330 CN202673279U (en) | 2012-05-14 | 2012-05-14 | Calibration console of inclinometer while drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202673279U true CN202673279U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220216330 Expired - Lifetime CN202673279U (en) | 2012-05-14 | 2012-05-14 | Calibration console of inclinometer while drilling |
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| CN (1) | CN202673279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704915A (en) * | 2012-05-14 | 2012-10-03 | 中国海洋石油总公司 | Calibration console and calibration method of inclinometer while drilling |
| CN112325908A (en) * | 2020-11-19 | 2021-02-05 | 上海茗川测绘技术有限公司 | Pipeline inertial positioning instrument test comparison device |
-
2012
- 2012-05-14 CN CN 201220216330 patent/CN202673279U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704915A (en) * | 2012-05-14 | 2012-10-03 | 中国海洋石油总公司 | Calibration console and calibration method of inclinometer while drilling |
| CN102704915B (en) * | 2012-05-14 | 2015-11-04 | 中国海洋石油总公司 | A kind of checking table of directional tool and method of calibration |
| CN112325908A (en) * | 2020-11-19 | 2021-02-05 | 上海茗川测绘技术有限公司 | Pipeline inertial positioning instrument test comparison device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Goaltech Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation Co-patentee before: Goaltech Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |