CN102704915A - Calibration console and calibration method of inclinometer while drilling - Google Patents
Calibration console and calibration method of inclinometer while drilling Download PDFInfo
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- CN102704915A CN102704915A CN2012101489745A CN201210148974A CN102704915A CN 102704915 A CN102704915 A CN 102704915A CN 2012101489745 A CN2012101489745 A CN 2012101489745A CN 201210148974 A CN201210148974 A CN 201210148974A CN 102704915 A CN102704915 A CN 102704915A
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- inclinometer
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Abstract
The invention relate to a calibration console and a calibration method of an inclinometer while drilling. The calibration console is characterized by comprising 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 benchmarks, 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. The calibration console and the calibration method of the inclinometer while drilling can be widely applied to precision calibration processes of the inclinometer while drilling during oil drilling field measurement operation.
Description
Technical field
The present invention relates to a kind of checking table and method of calibration, 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 and method of calibration.
Background technology
In recent years; Along with the continuous development of petroleum drilling technology, measurement while drilling and down-hole guiding control technology have had very much progress, and measurement while drilling is more and more with guiding control function; From strength to strength, like the measurement of hole angle, azimuth, tool-face, resistivity, gamma, rock density, pressure etc.But the accuracy of measured value is crucial 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 on-the-spot quick verification requirement in oil field.
Summary of the invention
To the problems referred to above, it is easy to adjust to the purpose of this invention is to provide a kind of installation, and precision is high, can realize the checking table and the method for calibration of quick verification to the directional tool that the measuring well oblique angle is used.
The objective of the invention is to realize: a kind of checking table of directional tool through following technical scheme; It is characterized in that: it comprises a base support; Through three expansion screws one test platform is set on the said base support, said test platform is provided with a test benchmark and two spirit bubbles; Said test benchmark be one by 0 ° of benchmark frame, 45 ° of benchmark framves, 90 ° of triangular supports that the benchmark frame connects and composes, said 90 ° of benchmark framves are horizontally fixed on the said test platform; Said 0 ° of benchmark frame is vertically fixed on an end of the above 90 ° of benchmark frame of said test platform, and said 45 ° of benchmark framves are connected between said 0 ° of benchmark frame and the 90 ° of benchmark framves; Be provided with the fixture that is used for fixing directional tool on each said benchmark frame; In two said spirit bubbles, a said spirit bubble is arranged on a side of said 0 ° of benchmark frame, and another said spirit bubble is arranged on a side of said 90 ° of benchmark framves, and the axis of two said spirit bubbles is vertical each other.
Three said expansion screws, wherein two be positioned on the said test platform, near an end of said 0 ° of benchmark frame; Another said expansion screw is arranged on the said test platform, away from an end of said 0 ° of benchmark frame.
The method of calibration of the checking table of above-mentioned a kind of directional tool, it may further comprise the steps: 1) directional tool to be verified is set up communication through cable with the inclinometer testing equipment and be connected; 2) verification of 0 ° of hole angle directional tool: directional tool is installed on 0 ° of benchmark chord position and puts; The Magnetic tools face angle of regulating directional tool respectively is 0 ° ± 3 °, 90 ° ± 3 °, 180 ° ± 3 °, 270 ° ± 3 ° four angles; Under these four angle conditions; The output of hole angle of record directional tool, and with the hole angle precision index contrast 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 chord positions and puts; The gravity toolface angle of regulating directional tool respectively is 0 ° ± 3 °, 90 ° ± 3 °, 180 ° ± 3 °, 270 ° ± 3 ° four angles; Under these four angle conditions; The output of hole angle of record directional tool, and with the hole angle precision index contrast 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 directional tool respectively is 0 ° ± 3 °, 90 ° ± 3 °, 180 ° ± 3 °, 270 ° ± 3 ° four angles; Under these four angle conditions; The output of hole angle of record directional tool, and with the hole angle precision index contrast of inclinometer, judge whether to meet required precision; The directional tool that 5) will meet above-mentioned 12 location point required precisions is used for the operation of oil drilling in-site measurement.
The present invention is owing to take above technical scheme; It has the following advantages: 1, test platform of the present invention is fixedly connected on the base support through three expansion screws; Test platform is provided with test benchmark and two spirit bubbles; The centre position that two bubbles in the spirit bubble are in spirit bubble can be finely tuned through three expansion screws, therefore, the level of test platform can be guaranteed.2, test benchmark of the present invention 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 0 ° of benchmark frame and 90 ° of benchmark framves between 45 ° of benchmark framves; Constitute triangular structure; Be provided with fixture on three benchmark framves; Be used for fixing by the down-hole directional tool 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 present invention is provided with spirit bubble on test platform; Be in the centre position of spirit bubble through 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 down-hole directional tool well indication, thereby play the effect of verification directional tool accuracy.4, the present invention 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 present invention can provide the benchmark that is higher than 10 times of tested accuracy of instruments.The present invention is simple in structure, installs fast, can realize quick adjustment through inspection spirit bubble, adjustment screw; 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 a structural representation of the present invention
Fig. 2 is the schematic top plan view of Fig. 1
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is carried out detailed description.
Like Fig. 1, with shown in 2, the present invention includes base support 1, test platform 2, test benchmark 3, fixture 4 and spirit bubble 5.
Spirit bubble 5 of the present invention 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 vertical each other.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 the centre position of bubble stabilizes at 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 through this operation: 0 ° ± 0.01 °, 45 ° ± 0.01 °, 90 ° ± 0.01 °.
The present invention 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 invention may further comprise the steps.
1) directional tool to be verified being set up communication through 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 directional tool respectively is 0 ° ± 3 °, 90 ° ± 3 °, 180 ° ± 3 °, 270 ° ± 3 ° four angles; Under these four angle conditions; The output of hole angle of record directional tool, and with the hole angle precision index contrast 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 directional tool respectively is 0 ° ± 3 °, 90 ° ± 3 °, 180 ° ± 3 °, 270 ° ± 3 ° four angles; Under these four angle conditions; The output of hole angle of record directional tool, and with the hole angle precision index contrast 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 directional tool respectively is 0 ° ± 3 °, 90 ° ± 3 °, 180 ° ± 3 °, 270 ° ± 3 ° four angles; Under these four angle conditions; The output of hole angle of record directional tool, and with the hole angle precision index contrast 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.
Above-mentioned each embodiment only is used to explain the present invention, and wherein the structure of each parts, connected mode etc. all can change to some extent, and every equivalents of on the basis of technical scheme of the present invention, carrying out and improvement all should not got rid of outside protection scope of the present invention.
Claims (3)
1. the checking table of a directional tool, it is characterized in that: it comprises a base support, through three expansion screws one test platform is set on the said base support, said test platform is provided with a test benchmark and two spirit bubbles; Said test benchmark be one by 0 ° of benchmark frame, 45 ° of benchmark framves, 90 ° of triangular supports that the benchmark frame connects and composes, said 90 ° of benchmark framves are horizontally fixed on the said test platform; Said 0 ° of benchmark frame is vertically fixed on an end of the above 90 ° of benchmark frame of said test platform, and said 45 ° of benchmark framves are connected between said 0 ° of benchmark frame and the 90 ° of benchmark framves; Be provided with the fixture that is used for fixing directional tool on each said benchmark frame; In two said spirit bubbles, a said spirit bubble is arranged on a side of said 0 ° of benchmark frame, and another said spirit bubble is arranged on a side of said 90 ° of benchmark framves, and the axis of two said spirit bubbles is vertical each other.
2. the checking table of a kind of directional tool as claimed in claim 1 is characterized in that: three said expansion screws, wherein two be positioned on the said test platform, near an end of said 0 ° of benchmark frame; Another said expansion screw is arranged on the said test platform, away from an end of said 0 ° of benchmark frame.
3. the method for calibration of the checking table of a directional tool according to claim 1 or claim 2, it may further comprise the steps:
1) directional tool to be verified being set up communication through 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 chord position and puts; The Magnetic tools face angle of regulating directional tool respectively is 0 ° ± 3 °, 90 ° ± 3 °, 180 ° ± 3 °, 270 ° ± 3 ° four angles; Under these four angle conditions; The output of hole angle of record directional tool, and with the hole angle precision index contrast 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 chord positions and puts; The gravity toolface angle of regulating directional tool respectively is 0 ° ± 3 °, 90 ° ± 3 °, 180 ° ± 3 °, 270 ° ± 3 ° four angles; Under these four angle conditions; The output of hole angle of record directional tool, and with the hole angle precision index contrast 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 directional tool respectively is 0 ° ± 3 °, 90 ° ± 3 °, 180 ° ± 3 °, 270 ° ± 3 ° four angles; Under these four angle conditions; The output of hole angle of record directional tool, and with the hole angle precision index contrast of inclinometer, judge whether to meet required precision;
The directional tool that 5) will meet above-mentioned 12 location point required precisions is used for the operation of oil drilling in-site measurement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210148974.5A CN102704915B (en) | 2012-05-14 | 2012-05-14 | A kind of checking table of directional tool and method of calibration |
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| CN201210148974.5A CN102704915B (en) | 2012-05-14 | 2012-05-14 | A kind of checking table of directional tool and method of calibration |
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| CN102704915A true CN102704915A (en) | 2012-10-03 |
| CN102704915B CN102704915B (en) | 2015-11-04 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103759707A (en) * | 2013-12-30 | 2014-04-30 | 北京中煤矿山工程有限公司 | Slope measuring platform |
| CN106441365A (en) * | 2016-10-13 | 2017-02-22 | 淮南矿业(集团)有限责任公司 | Calibration method of inclinometer check table |
| CN106640046A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Face angle testing device of rotary tool |
| CN107313766A (en) * | 2017-05-31 | 2017-11-03 | 中国石油天然气股份有限公司 | Attitude data bearing calibration and device |
| CN108266180A (en) * | 2015-07-31 | 2018-07-10 | 秦燕雯 | A kind of application method of three axis wireless drilling inclinometers calibration frame |
| CN111780783A (en) * | 2020-07-02 | 2020-10-16 | 山西省河道与水库技术中心 | Multi-section flexible joint chain type bidirectional inclinometer calibration device and method |
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| CN107313766A (en) * | 2017-05-31 | 2017-11-03 | 中国石油天然气股份有限公司 | Attitude data bearing calibration and device |
| CN107313766B (en) * | 2017-05-31 | 2021-04-30 | 中国石油天然气股份有限公司 | Attitude data correction method and device |
| CN111780783A (en) * | 2020-07-02 | 2020-10-16 | 山西省河道与水库技术中心 | Multi-section flexible joint chain type bidirectional inclinometer calibration device and method |
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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. |
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Effective date of registration: 20191217 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. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC research institute limited liability company Patentee before: China Offshore Oil Group Co., Ltd. Co-patentee before: Goaltech Co., Ltd. |
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