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17th International Conference on Geoinformatics - Theoretical and Applied Aspects
- Conference date: May 14-17, 2018
- Location: Kiev, Ukraine
- Published: 14 May 2018
1 - 20 of 125 results
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Natural geoinformation foresight of earthquakes
More LessSummaryThe results of frequency-resonance studies of the seismically active zone on the border of Iran and Iraq, where the earthquake occurred on 12.12.2017 with an amplitude of M 7.3, the coordinates Lat 34.79 N, Long 45.85 E and the depth of the focus D: 23.6 km are presented. It was noted that before the first shock on the surface of the seismically active area were recorded signals of ozone and xenon. There is no information about relation of xenon to earthquakes in the world publications. The structure model of the earth’s crust where different thickness and physical properties of geological strata can be represented by a set of flat capacitors is suitable for explaining the physical phenomena observed before and during the earthquake.
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From magnetic domains to geologic terranes: paleomagnetism, geotectonics and some earth science problems
Authors V.G. Bakhmutov, I.B. Poliachenko and S.I. CherkesSummaryPaleomagnetic data are the main source of information for global paleotectonic reconstructions representing horizontal movements of the crustal blocks. Reliability and quantity of paleomagnetic data as well as uniformity of their distribution within the apparent polar wander path (APWP) determine accuracy of paleotectonic reconstructions that significantly depends on the APWP quality. This shows the importance of obtaining new reliable paleomagnetic data. In this paper summarizes the investigation of rocks of the Inghul megablock of Ukrainian Shield (US) resulting in paleomagnetic poles for 1750, 1770 and 2037 Ma were obtained. Based on the available paleomagnetic poles, the kinematic parameters for the US (Ingul and North-West megablocks) and Fennoscandia were calculated. In addition, the results of studying the rocks of the Ediacaran traps and also the parameters of corresponding paleomagnetic poles for 580 and 561 Ma were presented. Also, there is presented a study of the sedimentary rocks of Podolia, which made it possible to clarify the Ordovician-Silurian APWP part for the Baltica, make a kinematic assessment of the Baltica in the Middle Paleozoic and carry out the paleotectonic reconstruction. The last study relate to the refinement of the Pangea configuration in the Permian-Triassic period, resulting in paleomagnetic determinations for andesite and trachyte dike complexes in the eastern part of the US (with an estimated age of 210 and 280 million years) were calculated. An analysis of the gathered data showed that the alternative model of Pangea (Pangea-B) based on a mega-shear of some 3500 km between Gondwana and Laurasia is unnecessary.
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GIS RES in Ukraine – myth or reality?
Authors B.S. Busygin and K.L. SergieievaSummaryEnergy situation in the country requires implementing a set of measures improving energy security and reducing energy costs through the development of technologies for identifying, mapping and evaluating renewable energy sources (RES). Thus, on the one hand, large amounts of data are needed, covering both natural resources and economic characteristics of the region (energy infrastructure, energy balances, power lines, agricultural enterprises, etc.). On the other hand, it is necessary to have software that would allow collecting, storing, simulating, predicting, visualizing big data, would perform comprehensive analysis and obtain analytically based estimates. The peculiarities of information related to solving the problems of forecasting, identifying and assessing RES in Ukraine, require the development of new software and analytical tools based on geoinformation systems and technologies (GIS-technologies) and other spatial geoinformation modeling tools.
The main components of GIS-technology for Ukrainian RES potential estimating are formulated. It is based on methods, models and technologies of statistical and aerospace data integrated analysis in order to create a tool for a specialized geoinformation system, taking into account the Web-oriented approach.
The presented components of the technology are intended to create fundamentally new information services and decision support systems in assessing perspective territories of Ukraine feasible for placing RES power plants.
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The use of geoinformation technologies in economic-geological evaluation of mineral reserves (by the example of κ-MINE GIS)
Authors G.I. Rudko, O.V. Netskyi and M.V. NazarenkoSummaryToday among the existing methods and approaches to evaluation of subsoil resources those implemented in the geoinformation systems (GIS) play an important role. The issues of calculation of mineral reserves, their economic-geological evaluation, creation of an optimum system for field development, environmental issues etc. are main as regards subsoil use.
For more effective making management decisions during the state expert appraisal of materials for economic-geological evaluation (EGE) of fields with different types of minerals it is necessary to consider the experience gained from consideration of each certain field of this type. Economicgeological evaluation (EGE) of mineral deposits is an important stage of works, which is performed at a final phase of field prospecting and directed to determination of a possibility of its further exploitation in current economic conditions.
With the help of the K-MINE geoinformation integrated system it is possible to perform economicgeological evaluation (EGE) of a field with the use of basic means of a geological and surveying support complex for mining operations, and also a module for economic-geological evaluation of mineral deposits.
A module of the K-MINE geoinformation system for economic-geological evaluation of mineral deposits developed in Ukraine by experts of the Research and Production Enterprise “KRYVBASAKADEMINVEST” has been considered. The module represents a universal tool enabling to perform a whole cycle of works on justification of parameters of conditions for mineral raw material, estimation of mineral reserves and calculation of economic indices of development of a field (accumulated discounted cash flow, profitability). The operation of the module as a component part of K-MINE GIS together with the geological and surveying support complex enables to perform a whole cycle of works starting from bringing of all documentation into a digital form and creation of digital models to economic-geological evaluation of a field with the registration of outputs and preparation of reporting documentation.
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Магнитовариационные исследования Ладожской аномалии электропроводности: от открытия в 70-х, до представлений о ее пространственном положении и глубинной структуре по материалам новейших наблюдений
Authors И.И. Рокитянский, Е.Ю. Соколова, Н.С. Голубцова, C. Ковачикова and LADOGA WGРЕЗЮМЕВ докладе представлены результаты глубинных электромагнитных зондирований в районе Ладожской аномалии электропроводности земной коры, которая маркирует АR-PR границу на юго-востоке Фенноскандинавского щита. Открытие этой аномалии в конце 70-х годов прошлого века было совершено благодаря применению нового метода магнитовариационного профилирования. Главной целью современного этапа продолжения ее исследований является получение с помощью новых технологий сбора и анализа данных электромагнитных зондирований более достоверной и подробной информации о региональной геоэлектрической структуре для ограничения геологических и эволюционных моделей.
В фокусе нашего внимания находятся результаты новейших магнитовариационных исследований: разведочные и длиннопериодные синхронные зондирования 2013–2015 годов вдоль профиля Выборг-Суоярви, пересекающего аномалию, а также длиннопериодные наблюдения 2016 года на СВ и ЮВ Ладожского озера. Обсуждаются методические аспекты полевого эксперимента, а также шумоподавляющие процедуры обработки, инвариантного анализа и интерпретации полученных данных. Глубинная архитектура и пространственное распределение зон аномальной коровой электропроводности анализируются по результатам двумерной инверсии на линии Выборг-Суоярви и квази-трехмерной (в аппроксимации тонкого слоя) инверсии регионального ансамбля векторов индукции, проведенных по набору магнитовариационных профильных и площадных данных рабочей группы LADOGA, расширенному аналогичными материалами по прилегающей территории Финляндии. Разрешение поперечного сечения Ладожской аномалии, а также ее прослеживание до ЮВ района, подкрепленное разработанной региональной прогностической 3D геоэлектрической моделью, позволяют интерпретировать результаты ЭМ зондирования в геотектонических терминах.
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Application of fractal dimension approach to the examination of statistics of large ore deposits
Authors M.V. Rodkin and A.R. ShatakhtsyanSummaryThe method of calculation of fractal correlation dimension D values is applied for examination of statistics of large and extra-large ore deposits. The used approach differs from the commonly used one. Firstly, we permit the different D values for different spatial scales that seems to be useful in distinguishing of regularities in the location of ore deposits at different scales. Secondly, we introduce a new notion, a mixed correlation dimension and use it for examination of pairs of objects of different typ (e.g., deposits of Au and Ag). The standard formula for calculating the correlation dimension values can be trivially generalized for such cases. The “mixed D” values can be both lower and higher than the dimension of the hosting medium. The cases when this dimension value is higher than that of the hosting medium are interpreted as a “mutual repulsion” of the deposits of corresponding two types. Small correlation dimensions indicate that the deposits of the corresponding types tend to be located closely.The calculations are conducted for the spherical Earth. Different patterns of the studied behavior are illustrated by the model examples.
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Forecasting zones of high porosity in clay rocks of Eastern Ukraine
Authors S. Vyzhva, I. Solovyov, V. Kruhlyk and G. LisnySummaryThe new approach for clay rock differentiation using porosity value is proposed. This approach is based on the correlation coefficient values analysis for acoustic impedance and shaliness. The correlation between acoustic impedance and shaliness is absent for shale and shaliness rocks with small values of porosity. For rocks with porous shale the correlation coefficient between acoustic impedance and shalines can be higher than correlation coefficient between acoustic impedance and porosity. In this case the shale fraction of rocks is a carrier of porosity. This fraction controls distribution of acoustic impedance values at the physical level.
The prognosis of the clay rocks zones with increased porosity was done. For solution of this task the 3D seismic data is used. The total area of investigations is about 200 square kilometers. The geophysical data obtained from three wells at the investigation area are used as well. Constructed model of rocks physical property coincides with drilling and testing data in these wells. Geological section of this area is characterized by high amount of clay rocks and small amount of sandy layers. These sandy layers have not industrial flow rate of hydrocarbons.
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Statistics of Trace Element Concentration in Oils, New Evidence for Naftidogenesis
Authors M.V. Rodkin and S.A. PunanovaSummaryTrace elements (TE) composition of oils provides an important information on process of naftidogenesis. The TE composition of different caustobioliths (oils, coals, combustible and black shales) is compared with the chemical composition of organic matter and the upper, middle and the lower continental crust. The TE content of coals and shales correlates better with the chemical composition of the upper crust, whereas oil TE content from all oilbearing provinces (except Kamchatka) correlate better with the lower crust. Wherein, correlation betwen oil TE and organic matter is high, but often weaker than with the composition of the lower crust. Unlike all other oil provinces, for Kamchatka both oils and hydrothermal waters TE compositions better correlate with the upper or middle crust.
The results are treated within the framework of the scheme of a flow-through nonequilibrium reactor, when the buried organic matter is the main source of oil hydrocarbons, but for massive oil formation, it is necessary to work out the sedimentary strata with an upward fluid flow bearing a TE mark of the depth of its formation. Under intense thermal regime of Kamchatka, dehydration processes occur at shallower depths, which explains the difference in the character of correlation.
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Results of the satellite images frequency-resonant processing of the search block in the Barents Sea in the area of drilled well 7435/12-1 Korpfjell
Authors S. Levashov, N. Yakymchuk, I. Korchagin and D. BozhezhaSummaryThe results of the assessment of the oil and gas potential of four areas of 3D seismic works conducting in the Norwegian part of the former “gray” zone of the Barents Sea are analyzed. Experimental studies were carried out using the frequency-resonance method of processing and interpretation of remote sensing data (RS). The total area of the surveyed blocks is equal to 39742 km2, and the area of 3D seismic works within them is 13956 km2. In 2014, two anomalous zones of the “gas reservoir” type and 13 anomalous zones of “gas + condensate deposit” type with a total area of 1613 km2 were detected and mapped within the surveyed areas. In 2017 within one of the surveyed sites a 7435/12-1 Korpfjell well with a depth of 1508 m was drilled, in which no commercial deposits of gas were found. In January 2018, a satellite image of the local well site location was processed on a larger scale. Analysis of the results of frequency resonance processing of satellite images of the drilling site in 2014 and 2018 shows that the drilled well 7435/12-1 Korpfjell is not in the optimal location.
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Operative detection and mapping of the free methane accumulation within the mine fields by geoelectric methods
Authors S. Levashov, N. Yakymchuk, I. Korchagin, D.P. Gunya and D. BozhezhaSummaryThe practical experience of experimental application in 2009 of direct-prospecting geoelectric methods of forming short-pulsed electromagnetic field (FSPEF) and vertical electric-resonance sounding (VERS) (FSPEF-VERS express-technology) on the local area of coal mine in the Donbas region are given. The six anomalous geoelectric zones of gas (free methane) type were revealed and mapped on investigation area by FSPEF method survey. The bedding depths and thicknesses of the anomalous polarized layers (APL) of gas type were determined by VERS sounding. The optimal places for the degassing borehole locations were delineated on measurements data by the FSPEF-VERS methods. The application of the FSPEF-VERS technology can promote for increasing the efficiency of existing technology of the coal mine methane capturing and utilization.
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Magnetic studies at Koroleve and Staniv gas fields in Transcarpathian depression of Ukraine
Authors R. Kuderavets, O. Menshov, I. Chobotok and V. TymoschukSummaryThe prime idea of the present study is to attract new data for the magnetic survey and soil magnetism application in oil and gas prospecting. We need to find the genetic relation of the anomalous magnetic field and hydrocarbon accumulation at the areas of compound geological structures. We performed the magnetic measurements in the Transcarpathian depression of Ukraine. We identified significant magnetic anomalies caused by the volcanic Vyhorlat-Huta range. This situation greatly complicates the analysis of the structure of the magnetic field. The observed anomalies assume the effect of the hydrocarbon. Hydrocarbons change the structure of the anomalous magnetic field. We registered the negative magnetic anomalies with a width of about 1000–1500 m and amplitude of more than −10 nT. We infer the need of information of the block structure reflection’s in the region and the influence of the volcanic-sedimentary rocks. The soil of the Transcarpathian depression is weakly magnetic and contain large amount of the paramagnetic material. We performed several magnetic mineralogical analyzes to define the nature of the soil magnetic signal. The primary magnetic mineral is magnetite. Moreover, we observed the admixtures of the high coercetivity minerals, probably pedogenic hematite or goethite.
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The compressibility research of the West Ukraine rock-collectors for oil and gas predicting by theoretical-empirical technique
Authors L. Skakal’s’ka and A.V. NazarevychSummaryThe theoretical-empirical tecnique is created as a complex mathematical apparatus by using the parameter of the compressibility of rocks as the key in calculations. It is based on an adequate mathematical model of solid porous rocks, empirical relations between elastic and collector characteristics of rocks and data of acoustic logging in the opencast of wells. The parameter of the compressibility is tested for getting the best prognosis result.
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Forecasting new deposits of the hydrocarbons on the territory of the Sribnyanska depression by STAGR
Authors I.D. Bagriy, V.A. Glon, K.M. Starodubets and Yu.K. GordieievaSummaryPerformed comprehensive studies of the Sribnyanska depression have been carried out conducted systematic analysis of geological structurally-thermo-atomichemical research of oil and gas prospective objects of the Dnieper-Donets Rift. Executed interpretation and synthesis of the data. Based on the distribution of the STAGD criteria, prospective areas for the search for hydrocarbons within the Sribnyanska depression are identified.
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Identification of low permeability zone based on well log data within Lower Carboniferous strata (DDB)
By O. TunikSummaryCarboniferous strata is referred to the interval where unconventional oil and gas deposits can be formed. They controlled by the high temperatures and pressures which influence secondary alterations in seal and reservoir rocks. Meanwhile this zone is characterized by abnormal pressure occurrence so its further prediction is important to avoid unexpected accidents during exploration and production works on the well site.
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Analysis of electrical and filtration properties anisotropy of the compacted reservoir rocks of Moscovian stage (West- Shebelynska area)
Authors I.M. Bezrodna, V.V. Antoniuk and A.V. ShynkarenkoSummaryThere are presented the results of qualitative assessment of electrical and filtration properties anisotropy of the compacted reservoir rocks of Moscovian stage (West-Shebelynska area) from the depth interval 4929 — 5380 m. Coefficients of the anisotropy of gas permeability and electrical resistivity were determined using the results of petrophysical studies of core samples along two orthogonal directions. Fractioned samples and samples without vertical filtration of fluids were determined and correlations between vertical and horizontal permeability were established. Horizontal permeability, effective porosity and mean hydraulic radius of core samples were determined to be most suitable to assess the vertical permeability.
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Determination of parameters of acoustic and elastic anisotropy for studying texture of rocks of Pischans’ka structure
Authors D.A. Bezrodnyi and V.V. SvystovSummaryPischans’ka iron structure is a unique natural geophysical phenomenon of Ukraine and is clearly distinguished in natural potential fields with almost isometric anomalies of magnetic and gravimetric fields. However, as far as the nature of this phenomenon is concerned, there is no definitive idea yet. Since the Pischans’ka structure breeds during their existence were affected by tectonic deformations, an attempt was made to study their stress-strain state according to the seismic acoustic research method
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Hydrogeochemical database of reservoir waters of oil fields in the Eastern region of Ukraine as the first way to the effective using prodused water
Authors M.V. Reva and D.F. ChomkoSummaryThe article deals with the use of reservoir waters as valuable raw materials. The article describes the main geochemical properties of the reservoir waters of the Eastern oil and gas region of Ukraine. The authors define boron, magnesium, lithium, potassium, iodine and bromine as the main valuable components in the prodused water. These components are the main criteria for creating a database. The article defines a number of criteria which should be guided when creating a database, for the purpose of rational use of the prodused water.
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GIS application in assessment of mineral recourses in Libya
Authors Wadi Munira and O. IvanikSummaryMineral resources information, along with the geologic, geochemical, and geophysical information needed to understand and assess mineral resource potential. The aim of this work is studying the mineral resources information in Libya by capturing on a computer-based geographic information system (GIS). The aim of designing the mineral resources geodatabase is to provide spatial and non-spatial information on mineral deposits; developed database contains all available information concerning mineral resources in Libya. The distribution, structure and formations of ore deposits has been analyzed. Criteria for ores deposits recognition in Libya has been defined. There is a spatial and temporal association of ore deposits location with extensional tectonics. Many of the deposits are elongated parallel to regional or local structural trends.
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Analysis of approaches to create the system of estimation and prediction of the quality of surface water using GIS
Authors L.V. Plichko and V.I. ZatserkovnyiSummaryThe questions of approaches to the creation of a system for estimating and predicting the quality of surface waters using geoinformation systems (GIS) are considered. Based on the results of the analysis, a database of surface water quality monitoring was created, which allows to assess the overall picture of pollution. Consideration of this problem opens the possibility of practical solution of many tasks to protect the population and the environment from the effects of dangerous pollution of surface water.
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Using cartographic internets-services in the development and popularization of AES
More LessSummaryCreation and support of cartographic online services GIS can serve as a great start to energy independence of the country. As they visualize the information on the conditions, factors, resources, status and prospects of AE development, covering territorial units of different rank, and designed to provide industry development planning, rational and efficient use of AES. The availability of these data is due to the fact that they are available free of charge on the Internet and are available to individuals and legal entities, public associations and public authorities. Creation of online maps with accessible information about the prospects of development of AE for the whole of Ukraine, in the form of cartographic Internet-service, as Odessasolar, is an actual task of the state level.
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