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Black Cumin Essential Oil as an Active Stabilization Component of Rapeseed Oil During Deep-Fat Model Heating
Опубликовано 2025-06-01“...The aim of this study was to evaluate the potential of black cumin essential oils to reduce the degradation of rapeseed oil during heating. ...”The aim of this study was to evaluate the potential of black cumin essential oils to reduce the degradation of rapeseed oil during heating. Rapeseed oil was heated without addition and with the addition of black cumin essential oil (200 ppm, 500 ppm, and 1000 ppm), and with synthetic antioxidant TBH...
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Enhancing Reservoir Modeling via the Black Oil Model for Horizontal Wells: South Rumaila Oilfield, Iraq
Опубликовано 2025-07-01Предметы: “...black oil model...”Horizontal wells have revolutionized hydrocarbon production by enhancing recovery efficiency and reducing environmental impact. This paper presents an enhanced Black Oil Model simulator, written in Visual Basic, for three-dimensional two-phase (oil and water) flow through porous media. Unlike most e...
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Thermodynamic Model of Deep Oil Origin and its Phase “Freezing”
Опубликовано 2022-12-01Полный текстIn most modern studies of lithospheric (petrogenic) carbonreservoirs in the earth’s crust, it is assumed that crude oil and natural gas (petroleum) are thermal generation products from the relics of biological organic matter accumulated in sedimentary rocks during geological time and deeply buried i...
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Oil and gas potential of the eocene-paleocene deposits of the Black Sea-Caspian region based on basin analysis and bm&psm modeling
Опубликовано 2023-05-01Полный текстBackground. Issues associated with the investigation of hydrocarbon prospects of the Paleocene-Eocene section of the sedimentary cover in the Black Sea-Caspian region are considered.Aim. Assessment of the oil and gas potential of the Paleocene-Eocene deposits under consideration.Materials and method...
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Problems of assessing the oil and gas potential of the north-eastern part of the Ukrainian sector of the Black Sea
Опубликовано 2011-08-01“...For the first time oil and gas perspectives have been evaluated for the NE Ukrainian sector in the Black Sea applying a world -wide acknowledged methodology whose coherent constituents are modelling thermal regime of a basin, taking into account of a kerogen type and analyzing migration paths. ...”For the first time oil and gas perspectives have been evaluated for the NE Ukrainian sector in the Black Sea applying a world -wide acknowledged methodology whose coherent constituents are modelling thermal regime of a basin, taking into account of a kerogen type and analyzing migration paths. It ha...
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Complex concept of rudoneftegasogenesis (on the example of the Caspian, Crimean and Black sea regions and Arctic)
Опубликовано 2022-07-01Предметы: Полный текстIntroduction: the work presents a new complex concept of ore-oil-gas-genesis, where the logical connection shows the role of endo- and exogenous factors in the formation of various minerals, including oil and gas. This concept will help in identifying new hydrocarbon fields in the regions represente...
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EXPLORING THE LINKAGE BETWEEN OIL AND GAS SECTOR AND COMPETITIVENESS: A PANEL DATA ANALYSIS FOR THE COUNTRIES OF THE BLACK SEA REGION
Опубликовано 2017-07-01“...The aim of this paper is to investigate the impact that oil and gas sector has on the global competitiveness of the economies of the countries of the Black Sea Region, measured by the Global Competitiveness Index, with the use of unbalanced panel data techniques for the period from 2006 to 2015. ...”The aim of this paper is to investigate the impact that oil and gas sector has on the global competitiveness of the economies of the countries of the Black Sea Region, measured by the Global Competitiveness Index, with the use of unbalanced panel data techniques for the period from 2006 to 2015. Fac...
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PHYTOTOXICITY AND ENZYMATIC ACTIVITY IN SOILS OF KALMYKIA UNDER THE INFLUENCE OF OIL POLLUTION
Опубликовано 2017-12-01Полный текстAbstract. The aim is to study the change in the enzymatic activity in Kalmykia soils under oil pollution, as well as to study the phytotoxicity of contaminated soils. Methods. A laboratory experiment was conducted to study the phytotoxicity and enzymatic activity in soils. As objects of research, br...
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New 3D seismic data uncover inspiring exploration potential for oil and gas offshore the Dobrogea Foredeep, Ukraine
Опубликовано 2025-04-01“...The geological model of the study area was refined and detailed, and the main components of geological risk for prospective oil-and-gas bearing complexes were assessed to form a portfolio of hydrocarbon play-based exploration prospects along with its ranking and due decision-making. ...”More than forty promising structures were identified and characterized in the Dolphin 01―10 E&P special-permits area of NJSC Naftogaz of Ukraine within the Inner zone of the northwestern Black Sea shelf based on the latest 3D seismic data processing and analysis of geological and geophysical in...
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A mathematical model of the dynamic viscosity dependence of motor oils on temperature, soot concentration, and its morphology
Опубликовано 2025-01-01“...Standardly used motor oils for diesel engines M-14D2SE and M-5z/14D2SE were used as oil samples in the preparation of model mixtures. ...”Objectives. A quick cold start of emergency and auxiliary power units based on diesel engines should be possible at any time without problems and in the shortest possible time. The condition of the engine oil is one of the most important factors influencing the smooth start-up of power plants. Durin...
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Hermetia illucens oil vs. hydrogenated palm fat in dairy cow nutrition: effects on digestive parameters, oxidative stress, and milk production performance
Опубликовано 2025-06-01Полный текстAbstract Background Scant information is currently available on the use of insect oils in ruminant diets. Insect oils could be used as alternatives to certain conventional plant lipid sources that are considered no longer sustainable. This trial aims at evaluating the effects of the dietary inclusio...
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Megatube of degassing of the Sea of Azov: analysis of the results of 3D magnetic modeling in a complex with geological-geophysical data
Опубликовано 2019-12-01“...A set of known features have been used for the first time to classify the deep mantle fluid spanning the whole aquatic area of the Sea of Azov, the Kerch peninsula and the northern part of the northeastern shelf of the Black Sea as a degassing tube. In consolidated Earth crust they include a ring structure in its center specified by our studies of magnetic data, the knots of cross-section of fault zones, distribution of disturbing and magnetic objects, presence of wave-guide, special features of heat flow and neo-tectonic activity of faults, existence of blocks and ring structures of different ranks, position of oil and gas deposits and in the lithospheric mantle presence of low velocity zone. ...”A set of known features have been used for the first time to classify the deep mantle fluid spanning the whole aquatic area of the Sea of Azov, the Kerch peninsula and the northern part of the northeastern shelf of the Black Sea as a degassing tube. In consolidated Earth crust they include a ring st...
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Research on the application of magnetic separation technology for the removal of black powder in natural gas pipelines
Опубликовано 2025-07-01Полный текстObjectiveBlack powder, primarily composed of magnetic corrosion products, accumulates in natural gas pipelines, causing various issues when its concentrations exceed specific limits, including frequent blockages of filter elements and abnormal shutdowns of compressors. This paper explores methods fo...
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Reproduction of reservoir pressure in oil field development: prospects and problems of using methods machine learning
Опубликовано 2024-05-01“...This article presents the results of the study, which are reduced to multivariate testing of the neural network model previously developed by the authors to determine the dynamic reservoir pressure in the selection zones of oil wells. ...”Currently, models based on the application of artificial intelligence methods are actively developed and applied in solving a variety of problems, including in the practice of petroleum engineering. Evaluation of the accuracy and reliability of the developed models is usually reduced to defining sta...
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Clues to seismic data interpretation within the zones of the sand injections in so called "anomalous section" of the Bazhenovo Black Shales formation on the examples of the Potochn...
Опубликовано 2023-06-01“...The listed zones were formed at different geological times, belong to different regional clinoforms, but have common patterns of structure, which is reflected in the seismogeological model of the Ob river region GSIC. The model describes the distal and proximal parts of the intrusion, which were formed in the Neocomian time, when gravity-driven flows of sandy-silty material injected and spread inside high-bituminous Jurasic Bazhenovo formation Black Shales. ...”The Bazhenovo horizon of Western Siberia has traditionally been one of the objects most studied by geologists and geophysicists in recent decades in Russia. However, along with the more familiar "classical" structure, there are areas where gray-colored inclusions of sandy-silty-clayey depo...
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A step-by-step approach to creating and tuning PVT-models of reservoir hydrocarbon systems based on the state equation
Опубликовано 2024-04-01“...The tuned gas-condensate PVT-model precisely reproduces the key properties such as dew point pressure, initial condensate content in the reservoir gas, z-factor of the reservoir gas, gas-oil ratio, stable condensate density, drop down curve by the result of CVD-test.PVT-models created on the base of the proposed method, provide reliable information on the properties of a reservoir fluid in development of flow simulation both using a reservoir simulation compositional models and using pseudo models “black oil”. ...”The article is considering a new effective step-by-step approach to creating and tuning PVT-models of reservoir oil and reservoir gas condensate mixtures. The method is based on the reproducing of the results of field measurements and basic laboratory studies of representative samples in thermodynam...
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Geometry and Cenozoic evolution of the Crimean fold-thrust belt from cross-section balancing and kinematic forward modeling
Опубликовано 2018-04-01“...The intermediate geometries in the kinematic evolution traced by the kinematic forward model are testable by future hydrocarbon exploration and thermochronologic studies. ...”The Crimean fold-thrust belt comprises the onshore Crimean-dome fold-thrust belt and the offshore Sorokin accretionary wedge, a sub-surface imbricate stack with high oil and gas potential. We combine geomorphological and balanced cross-section analyses with published low-temperature thermo¬chronolo...
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Lithofacies palaeogeography, depositional model and shale gas potential evaluation in the O3-S1 Wufeng-Longmaxi Formation in the Sichuan Basin, China
Опубликовано 2025-04-01Полный текстABSTRACT: The black shales of Wufeng and Longmaxi Formation (Late Ordovician-Early Silurian period) in Sichuan Basin are the main strata for marine shale gas exploration, which have a yearly shale gas production of 228×108 m3 and cumulative shale gas production of 919×108 m3. According to the lithol...
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Improving the Interpretability of ANN-Based Predictions of Lattice Constants in Aliovalently Doped Perovskites Using Partial Dependence Plots
Опубликовано 2025-06-01Полный текстThe relationship between structure and properties is fundamental in materials science, particularly for aliovalently doped perovskites, where structural changes significantly influence material performance. Accurate prediction of key structural parameters is essential for tailoring these materials f...
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Application of Image Computing in Non-Destructive Detection of Chinese Cuisine
Опубликовано 2025-07-01“...Specifically, the model demonstrates high precision in quantifying chili oil content in Mapo Tofu with a Mean Absolute Error (MAE) of 0.43% w/w and assessing freshness gradients in Cantonese dim sum (Shrimp Har Gow) with a classification accuracy of 95.2% for three distinct freshness levels. ...”Food quality and safety are paramount in preserving the culinary authenticity and cultural integrity of Chinese cuisine, characterized by intricate ingredient combinations, diverse cooking techniques (e.g., stir-frying, steaming, and braising), and region-specific flavor profiles. Traditional non-de...
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