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The influence of cavitational synthesis nanodiamonds on the tribological properties of a water-oil-based cooling lubricant
Published 2025-06-01Subjects: Get full textThis paper deals with the study of the influence of nanosized diamonds produced by the cavitational synthesis method on the tribological properties of a commercial water-oil-based cooling lubricant. The study is aimed at assessing the prospects for application of this type of nanodiamonds as an anti...
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Enhancing Reservoir Modeling via the Black Oil Model for Horizontal Wells: South Rumaila Oilfield, Iraq
Published 2025-07-01Subjects: Get full textHorizontal 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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Modeling of well performance during oil reservoir development on the elastic-water-drive mode using regression analysis
Published 2024-04-01“…This is the subject of this work.Water cut and water-oil ratio (WOR) are related by a well-known formula. …”One of the important tasks of analyzing oil field development is predicting well performance. For this purpose, displacement characteristics are often used, which represent the dependence of some indicators on others. To determine the parameters of these dependencies, regression analysis of historic...
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Features оf the Development of Oil and Gas Condensate Field in the Tomsk Region
Published 2023-09-01“…The factors complicating the development include low reservoir permeability, the presence of water-oil and gas-oil zones, the complex composition of the fluid, the phase state of the deposit is closeto critical. …”Introduction. Oil and gas condensate field X is located in the Tomsk region and belongs to the Vasyugan oil and gas region of the West Siberian oil and gas province. In the section of the field, 5 development objects were identified: J1 1, J1 2, J1 3-4, J3 and J4-5. The studied objects are complex i...
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The problem of high water cut in the products of horizontal wells
Published 2023-03-01“…The dependence of the logarithm of the water-oil ratio on the cumulative oil production was investigated. …”Background. The production of oil and gas by horizontal wells, despite all its advantages, is subject to exploratory and operational complications. At the final stage of their development, such fields become hard-to-recover reserves. Production of oil and gas is often associated with a high water cu...
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Preparation and characterization of nanocomposite textile filter for separation of the oil/water mixture using PA-PVA blends reinforced with carbon nanoparticles
Published 2024-11-01“…As well as, the characterization of the water/oil mixture was tested before the filtration process and after it. …”The electrospinning technique used to prepare a nano fibre filter under limited conditions involves (20 kV applied voltage, 15 cm gap distance, 1 ml/h: flow rate, and 0.4 mm needle diameter). Several tests for prepared materials were conducted including [scanning electron microscopy (SEM-EDX), Fou...
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Preparation, Characterization, and Methylene Blue Adsorption Capacity of Microcrystalline Cellulose from De-oiled Soy Sauce Residue with High Adsorbability
Published 2025-06-01“…Under the optimal conditions (1:25 solid-to-liquid ratio, 2 mol/L HCl, 65 ℃ and 90 min), the yield and degree of polymerization (DP) of microcrystalline cellulose were 85.46% and 263, respectively. …”In this study, we investigated the advantages and potential of de-oiled soy sauce residue as a superior raw material for the preparation of highly adsorptive microcrystalline cellulose (MCC), which was achieved employing a step-by-step chemical treatment. Acid hydrolysis conditions were optimized by...
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Aquathermolysis of heavy oil catalyzed by transition metal salts and clay
Published 2023-09-01“…The results show that the optimal reaction conditions of heavy oil from Xinjiang Baikouquan Oilfield (XBO) are the reaction temperature of 250 °C and the reaction time of 6 h; for the crude oil from Xinjiang Tahe Oilfield (XTO), the optimal reaction conditions are determined to be the reaction temperature of 250 °C and the reaction time of 12 h, the water–oil ratio of the two oils is 0.3. Under optimal conditions, viscosity and pour point of heavy oil are significantly reduced. …”Currently, researchers have indicated that inorganic minerals in reservoirs, such as clay minerals, carbonates and quartz, can catalyze the evolution of organic matter into oil and gas. Therefore it is reasonable to believe that the minerals in reservoirs may act as a catalyst support with the metal...
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Metabolic changes of lymphocytes in a rat model of autoimmunity
Published 2022-04-01“…Modeling of the autoimmune process was performed in Wistar rats by subcutaneous administration of a Freund’s complete adjuvant, i.e., water-oil emulsion with heat-killed M. tuberculosis. …”Autoimmune diseases are highly prevalent in humans, being characterized by early onset and high risks of disability, thus determining the relevance of the present work and its aim, i.e., studying metabolic characteristics of lymphocytes upon the adjuvant-induced autoimmune disorder in rats. Modeling...
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Spontaneous nanoemulsification for solubility enhancement of BCS class II and IV molecules, quercetin as a model drug
Published 2025-06-01“…Nanoemulsion can be produced simply by combining water, oil, surfactant, and co-surfactant in specific ratios. …”Spontaneous emulsification represents a practicable and efficient method for the formulation of nanoemulsion utilized in drug delivery systems. This method provides numerous advantages, such as increased energy efficiency optimization, the possibility of scaling up for industrial use, enhanced drug...
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