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Geoinformatika 2019; 3(71) : 29-51

УДК 528+550.837+553.98

TECHNOLOGY OF FREQUENCY-RESONANCE PROCESSING OF REMOTE SENSING DATA: RESULTS OF PRACTICAL APPROBATION DURING MINERAL SEARCHING IN VARIOUS REGIONS OF THE GLOBE. PART I

N.A. Yakymchuk1, I.N. Korchagin2

1 Institute of Applied Problems of Ecology, Geophysics and Geochemistry, prov. Laboratory, 1, Kiev, 01133, e-mail: yakymchuk@gmail.com
2Institute of Geophysics of Ukraine National Academy of Science, Kyiv, Ukraine, korchagin.i.n@gmail.com

Purpose. The materials of additional testing of mobile direct-prospecting methods in various regions of the world are presented. Experimental studies have been carried out (and will continue in the future) in order to demonstrate the operability, efficiency and potential capabilities of the developed methods during various geological and geophysical problems solving.

Design/methodology/approach. The developed mobile and low-cost technology includes modified methods of frequency-resonance processing and decoding of satellite images and photo images, vertical electric-resonance sounding (scanning) of a cross-section, as well as a method of integrated assessment of the prospects of oil and gas potential of large prospecting blocks and license areas. Separate methods of this direct-prospecting technology are based on the principles of the “substance” paradigm of geophysical research, the essence of which is to search for a specific substance – oil, gas, gas condensate, gold, zinc, etc.

Findings. In the Caspian region anomalous responses at the resonant frequencies of oil, gas condensate, and gas were recorded on the survey areas, and the presence of vertical channels of the fluids and minerals migration was established. Materials of operational work carried out on licensed areas in the DDB and large blocks in the area
of Crete islands suggests that mobile direct-prospecting technology can be used at the licensing stages in order to increase the investment attractiveness of licensed blocks. The amber mining and finds sites deserve a detailed study in order to detect possible accumulations of oil, condensate and gas in the cross-section at the areas of their location.
Hydrocarbon accumulations can also be detected in the lower horizons of coal basins, within the deep channels of fluid and mineral matter migration. The presence of deep channels with roots at depths of 195 km and 723 km, filled with salt, were revealed in two areas of Caspian Basin by a cross-section scanning. In the contours of these channels, the response intervals at the resonant frequencies of oil, including on the surface of 57 km, were also established. Sites of salt channels, rods and mines can also be considered promising for the detection of oil, condensates and gas.
However, responses from amber in the contours of salt channels are not recorded. The results of studies at local sites in the Eagle Ford and Vaca Muerta shale basins indicate the presence of hydrocarbon accumulations at these basins in traditional reservoirs in the lower horizons of the cross-section.

The practical significance and conclusions. The results of the developed direct-prospecting methods testing in various regions of the world testify of their efficiency, effectiveness and practical applicability during the search and exploration of ore and combustible minerals. The feasibility of further research in this direction (using the frequency-resonance principle of useful signals registering to develop low-cost and mobile methods of “direct” searches for minerals of different type) is not in doubt. The practical application of direct-prospecting technologies will help to accelerate and optimize the search and exploration process for ore and combustible minerals.

Keywords: Direct prospecting, vertical channel, volcano, deep structure, cross-section, oil, gas, hydrogen, amber, salt, diamond, kimberlites, chemical elements, satellite data, mobile technology, anomaly, remote sensing data processing, interpretation, vertical sounding.

The full text of papers

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Received 07/08/2019