Journal of Diabetic Research & Clinical Metabolism

Background. The model and algorithm were developed by using optimal in the mean square sense "cubic" correlation function. An example of supplementing the results of geophysical studies of karst-suffuses phenomena with simulated data in the task of monitoring the density of the chalk stratum on the territory of the Rivne NPP is presented. The complex geophysical research was conducted on Rivne NPP area. The monitoring observations radioisotope study of soil density and humidity near the perimeter of buildings is of the greatest interest among these. In this case a problem was occurred to supplement simulated data that were received at the control of chalky strata density changes at the research industrial area with use of radioisotope methods on a grid that included 29 wells. This problem was solved in this work by statistical simulation method that provides the ability to display values (the random field of a research object in 3D area) in any point of the monitoring area. Methods. Based on the spectral decomposition of random fields in 3D space, a statistical model of the distribution of the average density of the chalk layer in the 3D observation area was built. Results. An algorithm for statistical simulation of random fields with a "cubic" correlation function is formulated. On the basis of the developed software, additional simulated realizations of the random component of the research subject on the grid of observations of the necessary detail and regularity were obtained. A statistical analysis of the results of the numerical simulation of the distribution of the average density of the chalk layer was carried out and their adequacy was tested. Conclusions. The method of statistical modeling of random fields with "cubic" correlation functions allows you to supplement data with a given accuracy.

Zoya VYZHVA

Vsevolod DEMIDOV

Andrii VYZHVA

Visnyk of Taras Shevchenko National University of Kyiv Geology

THE STATISTICAL SIMULATION OF DATASET IN 3D AREA WITH "CUBIC" СОRRELATION FUNCTION ON EXAMPLE RIVNE NPP GEOPHYSICAL MONITORING

三维区域中具有“立方”相关函数的数据集的统计模拟——以里夫尼核电站地球物理监测为例

A brief description of highly prospective objects of the mineral-raw material base of non-metallic minerals of Ukraine is given. Based on an expert assessment of their investment attractiveness, the following types of raw materials were selected as the most prospective: kaolin (Zhezhelivske, Glukhovetske, Turbivske, Velikogadomynetske deposits); facing stones (Slipchytske and Golovinske deposits of labradorite; Omelyanivske, Tokivske, Kapustianske, Lyznitske and Kornynske deposits of granite); refractory clays (Chasiv-Yarske, Novoraiske, Volodymyrivske, Pologivske); graphite (Zavallivske, Burtynske (Khmelivska section) deposits); granate (Slobidske, Ivanivske); quartz raw materials (Husarivske, Velikohlibovitske); piezoquartz (Volynske); phosphorites (Zhvanske); limestones for the sugar industry (Zamok, Lysohirka); bentonite (Cherkaske deposit). Among the non-metallic minerals of Ukraine, these deposits have the highest level of investment attractiveness, the lowest investment risks, and can be recommended as priority objects for investment in their study and industrial development. To determine the investment prospects of concrete objects, a preliminary geological and economic assessment of the feasibility and profitability of their industrial development is necessary.

Volodymyr MYKHAILOV

HIGHLY PROSPECTIVE OBJECT OF THE MINERAL AND RAW MATERIAL BASE OF UKRAINE. PART 2. NON-METALLIC MINERALS

乌克兰矿产和原材料基地的高度有前景的矿产。第2部分。非金属矿物

Background. Air temperature observation data covering the years 1981–2022 of about 70 hydrometeorological stations operating in the territory of the Republic of Azerbaijan were used in the study. In order to determine the influence of climate changes on the air temperature regime, the results of 1981–2010 were compared with the corresponding results of 2011–2022. Methods. In the study, the trend of monthly, seasonal and multiannual changes in air temperature was considered using mathematical, statistical and cartographic methods. Results. Studies show that the air temperature has increased by 0.90C at the country level. The positive anomaly has been reached to 1.3° C at the belt with an altitude of 2001–2500 m. The main high indicators were noted in highland regions. The temperature anomaly is in the range of 1.5–1.7° C, mostly in May and June months. Long-term temperature dynamics show that in 2001–2010 the temperature increase (0.057° C / 1 year) is observed. It was the warmest time during 1961–2022 comparing with previous decade. The results of the study can be used in the protection against climate changes, mitigation and studying the modern temperature regime. In addition, solar radiation can be used as an alternative energy source in flat areas where high air temperature indicators are observed. The results will be announced at the conference on climate change COP 29 (Conferences of the Parties), which will be held in Baku on November 11–22, 2024. Conclusions. The influence of climate changes in the air temperature regime in the territory of Azerbaijan will lead to the disruption of the traditional climate regime, the disappearance of the green landscape and expansion of semi-desert and arid landscape in the front mountainous areas, the increase of possible evaporation and the increasing of environmental crises such as drought at the 1000 m elevations. An increase in the radiation balance in Nakhchivan province may worsen the continentality of the climate type here. The increase in temperature in the Kura depression province will create conditions for the expansion of the semi-desert-arid climate in the piedmonts of the Greater Caucasus Mountains.

Jamal HUSEYNOV

Allahverdi TAGIYEV

THE CHANGES OF THE AİR TEMPERATURE CHARACTERİSTİCS İN THE AZERBAİJAN TERRİTORY DURING GLOBAL CLİMATE CHANGES PERIOD

全球气候变化时期阿塞拜疆地区气温特征的变化

Background. A detailed study of the geological structure and litho-facial features of the deposits of the Pliocene productive series based on 3D seismic and Well Logging data is of great practical importance, as the main share of hydrocarbons produced in Azerbaijan occurs in these deposits. The purpose of the research was to identify the features of the geological structure of the Zykh-Hovsan area, study the litho-facial properties deposits of the Qala Suite of the productive series, identify and study the deposits within the 3 formations of the Qala Suite based on a joint analysis of 3D seismic and Well Logging (WL) data. Methods. Structural mapping based on seismic data was chosen as the main research method. In studying the Qala part of the section, seismogeological, seismostratigraphic and paleogeomorphological analyzes were also carried out. Results. According to the contour of anomalies of lowered and enhanced values of medium amplitudes (reflected waves) RW of the SH (seismic horizons) and maps of temporary thicknesses, and in some cases along faults, in different parts of the Zykh-Hovsan area within the QaS formations, deposits were identified, their size and area were determined. Effective and oil saturated thicknesses were determined for each deposit. According to the last interval of testing and perforation in the wells drilled in the study area, as well as along the top of the water-saturated reservoir and along the bottom of the oil-saturated reservoir, absolute marks (a.m.) of oil-water contacts of the identified deposits were established. The nature of saturation was determined using WL data. The type of each deposit was also determined in the process of research. Conclusions. In Qala deposits developed in the research area, the following were identified: one perspective trap in the QaS-3 formation, two traps in the QaS-2 formation and one trap in the QaS-1 formation at the Zykh field, which were identified on the basis of paleo-geomorphological features where it is suspected that the conditions for accumulation of sandy material are advantageous.

Tofik AKHMEDOV

Lala KHALILOVA

STRUCTURE AND LITHO-FACIAL FEATURES OF THE QALA SUITE DEPOSITS OF THE ZYKH-HOVSAN AREA ACCORDING TO 3D SEISMIC AND WELL LOGGING DATA

根据三维地震和测井数据分析Zykh-Hovsan地区Qala组沉积的结构和岩相特征

Background. Modern advances in the extraction of hydrocarbons from shale and tight formations, namely improved horizontal drilling technologies and multi-stage hydraulic fracturing at economically viable costs, are opening up new horizons for oil and gas exploration and development around the world. The importance of shale oil and gas has sparked interest around the world following the great success of production in North America. This article is a continuation of a series of publications on the study of Visean unconventional reservoirs within Dnipro-Donets Depression. In this paper, the Visean sediments, namely the Lower Visean carbonate plate of the XIII MFH (horizons V-24-25), and the "Rudov Beds", siliceous calcified organic-rich shales (V-23) within the identified prospective zones of the Dnipro-Donets Basin (DDB), are considered for their unconventional reservoir development potential using the method of analogy with successful North American formations. Methods. Key geological and geochemical parameters were compared with the selected analogues, namely, geological age, sedimentation conditions, lithology and sediment thickness, geochemical data (total organic carbon (TOC), vitrinite reflectance (Ro), rock generation properties according to pyrolytic studies and rock maturity), mineralogical composition and porosity. Results. According to this study, the Visean unconventional deposits within DDB clearly correlate with the most productive gas fields from unconventional reservoirs (shales, organic-rich carbonates) in North America. The depth and geological position of the Visean unconventional targets are generally comparable to or slightly higher than their North American counterparts based on available data; sediment thicknesses are in similar ranges. In terms of mineralogical composition, namely X-ray diffraction (XRD) analysis, the ore beds are similar to the Barnett and Woodford shales, and the V-24-25 carbonate horizons correspond to the Eagle Ford Formation. The high average TOC content of the V-23 horizon (up to 10% by weight) is comparable to the Bakken and Woodford shales. Сonclusions. The geological and geochemical parameters of the Visean horizons considered in this paper are promising in terms of the prospects for the development of unconventional reservoirs to increase Ukraine's energy resource base. However, in order to draw conclusions about the economic profitability of the development of the studied objects, a more detailed study is required, taking into account the results of drilling and testing after multistage hydraulic fracturing.

Bohdan KRUHLOV

Serhii LEVONIUK

Sviatoslav IURAS

Ivan KARPENKO

REVIEW OF VISEAN UNCONVENTIONAL RESERVOIRS WITHIN DNIPRO-DONETS DEPRESSION AND COMPARISON TO NORTH AMERICAN UNCONVENTIONAL FORMATIONS

第聂伯-顿涅茨盆地维宪阶非常规储层综述及与北美非常规地层的对比

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Journal of Diabetic Research & Clinical Metabolism

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THE STATISTICAL SIMULATION OF DATASET IN 3D AREA WITH "CUBIC" СОRRELATION FUNCTION ON EXAMPLE RIVNE NPP GEOPHYSICAL MONITORING

HIGHLY PROSPECTIVE OBJECT OF THE MINERAL AND RAW MATERIAL BASE OF UKRAINE. PART 2. NON-METALLIC MINERALS

THE CHANGES OF THE AİR TEMPERATURE CHARACTERİSTİCS İN THE AZERBAİJAN TERRİTORY DURING GLOBAL CLİMATE CHANGES PERIOD

STRUCTURE AND LITHO-FACIAL FEATURES OF THE QALA SUITE DEPOSITS OF THE ZYKH-HOVSAN AREA ACCORDING TO 3D SEISMIC AND WELL LOGGING DATA

REVIEW OF VISEAN UNCONVENTIONAL RESERVOIRS WITHIN DNIPRO-DONETS DEPRESSION AND COMPARISON TO NORTH AMERICAN UNCONVENTIONAL FORMATIONS

THE STATISTICAL SIMULATION OF DATASET IN 3D AREA WITH "CUBIC" СОRRELATION FUNCTION ON EXAMPLE RIVNE NPP GEOPHYSICAL MONITORING

HIGHLY PROSPECTIVE OBJECT OF THE MINERAL AND RAW MATERIAL BASE OF UKRAINE. PART 2. NON-METALLIC MINERALS

THE CHANGES OF THE AİR TEMPERATURE CHARACTERİSTİCS İN THE AZERBAİJAN TERRİTORY DURING GLOBAL CLİMATE CHANGES PERIOD

STRUCTURE AND LITHO-FACIAL FEATURES OF THE QALA SUITE DEPOSITS OF THE ZYKH-HOVSAN AREA ACCORDING TO 3D SEISMIC AND WELL LOGGING DATA

REVIEW OF VISEAN UNCONVENTIONAL RESERVOIRS WITHIN DNIPRO-DONETS DEPRESSION AND COMPARISON TO NORTH AMERICAN UNCONVENTIONAL FORMATIONS