The problems of using gradient measurements in magnetic exploration are considered. In many cases, to solve various geological problems, information on the intensity of the geomagnetic field and its gradients, as measured by special equipment, is important. The results of the development and construction of a three-component fluxgate magnetometer-gradiometer intended for measuring on the earth’s surface the absolute values of the three components of the geomagnetic field strength vector and the corresponding three components of the gradient are presented. Installation in the device of additional measuring sensors – accelerometers, enables one to calculate the orientation of these vectors in space. The device of the magnetometer-gradiometer is described, its functional diagram and the principle of operation are presented. The set of instrumental errors arising in the manufacture of three-axis systems of fluxgates and accelerometers designed for measuring the components of the geomagnetic field strength and determining the orientation of the device is considered. A method of finding instrument errors and algorithmic correction of information signals that come from measuring sensors is presented. It is shown that this method provides a significant increase in measurement accuracy. Examples of field testing of the device are given. The presented magnetometer-gradiometer can be used to accurately localize tectonic disturbances, low-power zones of magnetic mineralization, previously identified ore bodies and determine the details of their structure.
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References
Instructions for Magnetic Exploration (ground magnetic survey, aeromagnetic survey, hydromagnetic survey), Nedra, Leningrad (1981).
A. A. Logachev and V. P. Zakharov, Magnetic Exploration, Nedra, Leningrad (1979), 5th ed.
S. S. Zvezhynsky and I. V. Parfentsev, “Magnetometric fluxgate gradiometers for the search for explosive objects,” Spetstekhn. i Svyaz, No. 1, 16–29 (2009).
D. G. Milovzorov and V. Kh. Yasoveev, “Mathematical modeling of gradient transducers with fluxgate sensors,” Avtometriya, 53, No. 4, 95–103 (2017), DOI: https://doi.org/10.15372/AUT20170411.
E. I. Krapivsky, A. N. Lyubchik, and A. A. Belikov, “Investigation of the magnetic fields of pipelines with a gradiometer to monitor their technical condition,” Proc. 5th In. Sci. School of Young Scientists and Specialists, Problems of Subsoil Development in XXI Century through the Eyes of the Young, Moscow, Nov. 11–14, 2008, URAN IPKON RAS, Moscow (2008), pp. 350–353.
A. A. Dubov, “A method for determining the limiting state of metal in the zones of SC by the gradient of the magnetic field of scattering,” Proc. 2nd Int. Conf. Diagnostics of Equipment and Structures Using Magnetic Memory of Metal, Moscow, Feb. 26–28 2001, Energodiagnostika, Moscow (2001), pp. 51–64.
Yu. G. Astrakhantsev and N. A. Beloglazova, Integrated Magnetometric Equipment for the Study of Super-Deep and Exploratory Wells, UrO RAN, Yekaterinburg (2012).
Yu. G. Astrakhantsev, N. A. Beloglazova, N. K. Mironova, and Yu. V. Golikov, “Integrated ore logging tool PRK-4203,” Radiotekhnika, No. 7, 144–152 (2016).
Yu. G. Astrakhantsev and N. A. Beloglazova, “Hardware-software complex for continuous inclinometry of oil and gas wells,” Prakt. Priborostr., No. 1, 17–21 (2003).
D. G. Milovzorov and T. M. Loginova, “Gradientometric transducers with fluxgate sensors,” Proc. 9th Int. Sci. Techn. Conf. Measurement, Control, Informatization, Barnaul, June 3–4, 2009, Izd. AltGTU im. Polzunova, Barnaul (2009), pp. 75–76.
G. V. Milovzorov, D. G. Milovzorov, V. Kh. Yasoveev, and T. A. Redkina, Ital. Sci. Rev., No. 18 (9), 53–60 (2014).
T. A. Redkina, D. G. Milovzorov, and R. R. Sadrutdinov, “On the errors of gradiometers with bio-element fluxgate sensors,” Vest. Izhevsk. GTU, No. 3, 132–135 (2014).
T. A. Redkina, D. G. Milovzorov, and V. P. Melnikov, “On the construction of gradiometers with bio-element fl uxgate sensors,” Proc. All-Russ. Sci. Pract. Conf. Innovations in Science, Engineering and Technology, Izhevsk, Apr. 28–30, 2014. Izd. UdGU, Izhevsk (2014), pp. 218–219.
Yu. G. Astrakhantsev, T. A. Sherendo, V. L. Nekhoroshkov, et al., “Use of nanocrystalline and amorphous alloys in borehole fluxgate magnetometers. Structure and properties of nanocrystalline materials,” Sb. Nauchn. Trudov RAN, UrO RAN, Ekaterinburg (1999).
N. A. Beloglazova, “Program-methodical methods of increasing the accuracy of inclinometric and magnetic measurements,” Prakt. Priborostr., No. 2, 68–71 (2003).
S. S. Zvezhinsky and I. V. Parfentsev, “Method of magneto-metric detection of explosive objects,” Spetstekhn. i Svyaz, No. 2, 8–17 (2008).
K. Khurana, L. Kepko, and M. G. Kivelson, Geophys. Monograph Ser., Washington DC (1998), pp. 311–316, DOI: https://doi.org/10.1029/GM103p0311.
Yu. G. Astrakhantsev and N. A. Beloglazova, “High-precision calibration of fluxgate magnetometers using medium-precision inclinometer tables,” Prib. Syst. Razved. Geofi z: Metr. Geofiz., 17, No. 3, 60–62 (2006).
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Translated from Izmeritel’naya Tekhnika, No. 5 pp. 50–57, May, 2020.
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Astrakhantsev, Y.G., Beloglazova, N.A. Algorithmic Correction of Magnetometer Device Errors. Meas Tech 63, 383–390 (2020). https://doi.org/10.1007/s11018-020-01799-9
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DOI: https://doi.org/10.1007/s11018-020-01799-9