CN102183794A - Tri-component magnetic survey system in borehole - Google Patents
Tri-component magnetic survey system in borehole Download PDFInfo
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- CN102183794A CN102183794A CN 201110048131 CN201110048131A CN102183794A CN 102183794 A CN102183794 A CN 102183794A CN 201110048131 CN201110048131 CN 201110048131 CN 201110048131 A CN201110048131 A CN 201110048131A CN 102183794 A CN102183794 A CN 102183794A
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Abstract
The invention relates to a tri-component magnetic survey system in borehole, belonging to a technical product in the field of tri-component magnetic survey in borehole. The hardware system of the invention comprising the purchased devices is subjected to system debugging and is therefore improved in performance. The software consists of a data reading module, a data calculation module, a data graphing module, a result deducing module and an image module compiled by a development platform Visual Basic 6.0. By processing, graphing, analyzing and explaining the data collected during the drilling process, the system can find ores and solve various geological problems, thereby increasing the ore finding ratio of drilling and reducing the engineering cost of drilling. The system has the advantages of high stability, deep investigation depth, high investigation precision and high-speed efficient real-time data processing, and is not only fit for finding strongly magnetic minerals but also for finding more weakly magnetic minerals or other minerals symbiotic to weakly magnetic minerals.
Description
Technical field:
The present invention relates to three-component geomagnetic survey system in a kind of well, belong to three-component magnetic survey technical field in the well.
Background technology:
Three-component magnetic survey technology is meant and utilizes the magnetic contrast of rock (ore deposit) body to carry out the detection in different depth point magnetic field in boring in the well, according to the unusual distribution characteristics in magnetic field to making analysis interpretation unusually, thereby reach the purpose of looking for the ore deposit and solving various geological problems.This technology is widely used in reconnoitring of ferromagnetism ore body, also be applicable to simultaneously seek magnetic more weak or with other ore bodies of weakly magnetic mineral body symbiosis.
Three-component geomagnetic survey system conversion square error majority is bigger in the existing well, generally all at ± 500nT, the conversion square error of the M-850 of the U.S. also has ± 150nT, the highest instrument of present domestic precision with error control at≤25nT, but for weakly magnetic mineral produced preliminry basic research, the detection accuracy of instrument also needed further lifting.Domestic and international existing three-component magnetic survey software generic relatively poor (only at the supporting exploitation of certain instrument) generally only provides simple data to become the figure function, data-handling capacity a little less than.
Summary of the invention:
The object of the present invention is to provide a kind of investigation depth big, system stability and detection accuracy height, three-component geomagnetic survey system in the simple and quick well.
The present invention makes up by the existing instrument and equipment of buying, and the process system debug promotes the detection accuracy of instrument, three-component magnetic survey in the software kit realization well of coupling system exploitation.
The three-component geomagnetic survey system comprises hardware and software in the well of the present invention: specific as follows:
Hardware is by acquisition control system, depth control system, and form with the probe system of the winch line of the ground host of acquisition control system and depth control system respectively by line.Wherein: acquisition control system comprises notebook computer and ground host, and depth control system comprises winch controller and winch, and probe system comprises inserting tube, tail cone, X-over and cable.
Probe system of the present invention and ground host partly adopt three-component magnetic determining device in the JSZ-05-03 type well that look ground section develops in Beijing.JCH-3 type (2000 meters) hoister system that depth control system adopts Chongqing Geological Instrument Factory to produce.
Software becomes figure, derivation result and image module to form by the data read, data computation, the data that with Visual Basic 6.0 are the development platform establishment.
Three-component geomagnetic survey system performing step is as follows in the well:
A. system accuracy promotes:
By measuring the reading of each sensor of instrument under different particular states in the hardware system, draw angular difference between each sensor with the mathematical computations of routine, solve the installation deviation problem by general drift angle rectification building-out method again, utilize correction software to make accuracy of instrument promote the system accuracy≤17nT after the correction.；
B. obtaining of field data:
1. grasp the distribution situation of magnetics such as workspace geological condition, particularly magnetic iron ore and base, ultrabasic rock body;
2. determine the sampled point spacing parameter, be generally 1～10m, collect or survey following parameter: profile azimuth angle A, terrestrial magnetic field, work area normal field resultant field T
0, vertical component Z
0With horizontal component H
0
3. collect other materializations and visit data, as ground MAM, geochemical anomaly figure;
4. inspection group installs the power supply and the various parts of system;
5. open the ground host power supply, this computer-chronograph can normally receive and video data, the work of promptly going into the well;
6. correction depth zero point at first, by winch controller operation winch inserting tube is transferred to designated depth then;
7. after inserting tube is stable, clicks the collection button in the acquisition software in notebook computer and carry out the data collection task of this point;
8. by the point of determining apart from the operation winch by last or down, unwrapping wire or loop line be to next measuring point;
9. after inserting tube forwards next measuring point to and stablizes, in acquisition software, click the collection button and carry out the data collection task of this point;
10. repeat 8.～9. up to finishing all measuring points;
C. the use of software kit:
1. open software;
2. click file-importing, import raw data;
3. click and calculate and input profile azimuth angle, software can calculate and become figure automatically;
4. click to preserve, with the image that generates with the bmp stored in file format;
5. click file-empty, information clears data;
6. repeat 2.～5. to finish the one-tenth figure of other borehole datas;
7. click file-withdraw from, log off and analyze.
The present invention compared with prior art has the following advantages:
1. investigation depth is big, the system stability height;
2. detection accuracy height;
3. have and the supporting software of this instrument, can handle in real time, simple and quick.
4, this system both had been applicable to and had sought the ferromagnetism ore body, also be applicable to seek magnetic more weak or with other ore bodies of weakly magnetic mineral body symbiosis.
Description of drawings:
Fig. 1 is a system of the present invention connection diagram.
Fig. 2 is a software flow block diagram of the present invention.
Embodiment:
Present embodiment selects KJJ-2000 type well to carry out three-component magnetic survey in the well, by obtaining field data, utilizing software one-tenth figure and analysis interpretation work, looks for ore deposit and the purpose that solves various geological problems thereby reach.
The three-component geomagnetic survey system comprises hardware and software in the KJJ-2000 type well of the present invention: specific as follows:
Hardware is by acquisition control system, depth control system, and form with the probe system of the winch line of the ground host of acquisition control system and depth control system respectively by line.Wherein: acquisition control system comprises notebook computer and ground host, and depth control system comprises winch controller and winch, and probe system comprises inserting tube, tail cone, X-over and cable.
Probe system of the present invention and ground host partly adopt three-component magnetic determining device in the JSZ-05-03 type well that look ground section develops in Beijing.JCH-3 type (2000 meters) hoister system that hoister system adopts Chongqing Geological Instrument Factory to produce.
Software becomes figure, derivation result and image module to form by the data read, data computation, the data that with Visual Basic 6.0 are the development platform establishment.
Three-component geomagnetic survey system performing step is as follows in the KJJ-2000 type well:
A. system accuracy promotes:
By measuring the reading of each sensor of instrument under different particular states in the hardware system, draw angular difference between each sensor with the mathematical computations of routine, solve the installation deviation problem by general drift angle rectification building-out method again, utilize correction software to make accuracy of instrument promote the system accuracy≤17nT after the correction.；
B. obtaining of field data:
1. grasp the distribution situation of magnetics such as workspace geological condition, particularly magnetic iron ore and base, ultrabasic rock body;
2. determine the sampled point spacing parameter, be generally 1～10m, collect or survey following parameter: profile azimuth angle A, terrestrial magnetic field, work area normal field resultant field T
0, vertical component Z
0With horizontal component H
0
3. collect other materializations and visit data, as ground MAM, geochemical anomaly figure;
4. inspection group installs the power supply and the various parts of system;
5. open the ground host power supply, this computer-chronograph can normally receive and video data, the work of promptly going into the well;
6. correction depth zero point at first, by winch controller operation winch inserting tube is transferred to designated depth then;
7. after inserting tube is stable, clicks the collection button in the acquisition software in notebook computer and carry out the data collection task of this point;
8. by the point of determining apart from the operation winch by last or down, unwrapping wire or loop line be to next measuring point;
9. after inserting tube forwards next measuring point to and stablizes, in acquisition software, click the collection button and carry out the data collection task of this point;
10. repeat 8.～9. up to finishing all measuring points;
C. the use of software kit:
1. open software;
2. click file-importing, import raw data;
3. click and calculate and input profile azimuth angle, software can calculate and become figure automatically;
4. click to preserve, with the image that generates with the bmp stored in file format;
5. click file-empty, information clears data;
6. repeat 2.～5. to finish the one-tenth figure of other borehole datas;
7. click file-withdraw from, log off and 7. click file-withdraw from, log off.
D. method is routinely carried out data interpretation:
1. the curvilinear characteristic that obtains according to above-mentioned steps in conjunction with borehole data, is made preliminary qualitative analysis.
2. visit data, physical characterization data and areal geology data etc. according to the various materializations of collecting, again curve is done qualitative interpretation, or do quantitative or the sxemiquantitative explanation, the sectional view of making explanations then.
Claims (1)
1. three-component geomagnetic survey system in the well, comprise hardware and software, it is characterized in that: hardware comprises acquisition control system, depth control system, and by line respectively with the probe system of the winch line of the ground host of acquisition control system and depth control system; Software becomes figure, derivation result and image module to form by the data read, data computation, the data that with Visual Basic 6.0 are the development platform establishment; Three-component geomagnetic survey system performing step is as follows in the KJJ-2000 type well:
A. system accuracy promotes:
By measuring the reading of each sensor of instrument under different particular states in the hardware system, draw angular difference between each sensor with the mathematical computations of routine, solve the installation deviation problem by general drift angle rectification building-out method again, utilize correction software to make accuracy of instrument promote the system accuracy≤17nT after the correction;
B. obtaining of field data:
1. grasp the distribution situation of magnetics such as workspace geological condition, particularly magnetic iron ore and base, ultrabasic rock body;
2. determine the sampled point spacing parameter, be generally 1～10m, collect or survey following parameter: profile azimuth angle A, terrestrial magnetic field, work area normal field resultant field T
0, vertical component Z
0With horizontal component H
0
3. collect other materializations and visit data, as ground MAM, geochemical anomaly figure;
4. inspection group installs the power supply and the various parts of system;
5. open the ground host power supply, this computer-chronograph can normally receive and video data, the work of promptly going into the well;
6. correction depth zero point at first, by winch controller operation winch inserting tube is transferred to designated depth then;
7. after inserting tube is stable, clicks the collection button in the acquisition software in notebook computer and carry out the data collection task of this point;
8. by the point of determining apart from the operation winch by last or down, unwrapping wire or loop line be to next measuring point;
9. after inserting tube forwards next measuring point to and stablizes, in acquisition software, click the collection button and carry out the data collection task of this point;
10. repeat 8.～9. up to finishing all measuring points;
C. the use of software kit:
1. open software;
2. click file-importing, import raw data;
3. click and calculate and input profile azimuth angle, software can calculate and become figure automatically;
4. click to preserve, with the image that generates with the bmp stored in file format;
5. click file-empty, information clears data;
6. repeat 2.～5. to finish the one-tenth figure of other borehole datas;
7. click file-withdraw from, log off and analyze.
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|---|---|---|---|
| CN 201110048131 CN102183794A (en) | 2011-03-01 | 2011-03-01 | Tri-component magnetic survey system in borehole |
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| CN 201110048131 CN102183794A (en) | 2011-03-01 | 2011-03-01 | Tri-component magnetic survey system in borehole |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759320A (en) * | 2016-04-22 | 2016-07-13 | 周丹 | Underground mineral product detector provided with magnetic field intensity detector |
| CN105785474A (en) * | 2016-04-22 | 2016-07-20 | 周丹 | Underground mineral detector |
| CN105807337A (en) * | 2016-04-22 | 2016-07-27 | 周丹 | Underground mineral detector with information capable of being stored |
| CN106569509A (en) * | 2015-10-10 | 2017-04-19 | 中国石油化工股份有限公司 | Underground detector orientation system and method |
| WO2017181980A1 (en) * | 2016-04-22 | 2017-10-26 | 周丹 | Underground mineral detector |
| CN107762499A (en) * | 2017-10-17 | 2018-03-06 | 深圳市晓控通信科技有限公司 | A kind of intelligent magnetic force detection device for oil exploration based on Internet of Things |
| CN111913225A (en) * | 2020-08-14 | 2020-11-10 | 中国地质科学院地球物理地球化学勘查研究所 | Design method for deep well three-component magnetic measurement system |
| CN113655533A (en) * | 2021-08-13 | 2021-11-16 | 核工业二0三研究所 | Sandstone-type uranium ore drilling transient electromagnetic logging device and logging method thereof |
-
2011
- 2011-03-01 CN CN 201110048131 patent/CN102183794A/en active Pending
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| 《地球物理学进展》 20080630 陈天振等 井中三分量磁测方法与效果初探 892-897 1 第23卷, 第3期 * |
| 《物探与化探》 20081231 熊选文等 井中三分量磁测数据转换及绘图软件的设计和实现 685-689 1 第32卷, 第6期 * |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569509A (en) * | 2015-10-10 | 2017-04-19 | 中国石油化工股份有限公司 | Underground detector orientation system and method |
| CN106569509B (en) * | 2015-10-10 | 2020-05-19 | 中国石油化工股份有限公司 | Underground detector orientation system and method |
| CN105759320A (en) * | 2016-04-22 | 2016-07-13 | 周丹 | Underground mineral product detector provided with magnetic field intensity detector |
| CN105785474A (en) * | 2016-04-22 | 2016-07-20 | 周丹 | Underground mineral detector |
| CN105807337A (en) * | 2016-04-22 | 2016-07-27 | 周丹 | Underground mineral detector with information capable of being stored |
| WO2017181980A1 (en) * | 2016-04-22 | 2017-10-26 | 周丹 | Underground mineral detector |
| CN105807337B (en) * | 2016-04-22 | 2017-11-10 | 黄剑鸿 | A kind of storable underground mineral products detector of information |
| CN105759320B (en) * | 2016-04-22 | 2017-11-10 | 黄剑鸿 | A kind of underground mineral products detector provided with magnetic field intensity detector |
| CN107762499A (en) * | 2017-10-17 | 2018-03-06 | 深圳市晓控通信科技有限公司 | A kind of intelligent magnetic force detection device for oil exploration based on Internet of Things |
| CN111913225A (en) * | 2020-08-14 | 2020-11-10 | 中国地质科学院地球物理地球化学勘查研究所 | Design method for deep well three-component magnetic measurement system |
| CN111913225B (en) * | 2020-08-14 | 2023-12-08 | 中国地质科学院地球物理地球化学勘查研究所 | Design method for deep well three-component magnetic measurement system |
| CN113655533A (en) * | 2021-08-13 | 2021-11-16 | 核工业二0三研究所 | Sandstone-type uranium ore drilling transient electromagnetic logging device and logging method thereof |
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Application publication date: 20110914 |