Rezultaty - reservoir simulation
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101
Model of Well Interference During Waterflooding of a Layered Heterogeneous Oil Reservoir within the Framework of the CRM Modeling Concept
Wydane 2024-09-01“…The advantage of CRM models over other types of models is the exclusion from consideration of reservoir pressure, information about which is usually unsystematic, scattered, and often unreliable. …”The main types of CRM models (Capacitance Resistive Model) are considered. The advantage of CRM models over other types of models is the exclusion from consideration of reservoir pressure, information about which is usually unsystematic, scattered, and often unreliable. Particular attention in the w...
Dokumenty pełnotekstowe
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102
Investigation of Wall Effect Simulation Methods in Saline Density Currents
Wydane 2025-04-01“…Density currents induced by salinity gradients, which arise from differences in dissolved material concentrations between two fluid bodies, are of significant importance in estuarine environments, lakes, and dam reservoirs. This study numerically investigates such flows using Fluent software. …”Density currents induced by salinity gradients, which arise from differences in dissolved material concentrations between two fluid bodies, are of significant importance in estuarine environments, lakes, and dam reservoirs. This study numerically investigates such flows using Fluent software. Initia...
Dokumenty pełnotekstowe
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103
Influence of converting forestland to tea plantation on soil preferential flow occurrence in subtropical hillslopes of Three Gorges Reservoir Area, China
Wydane 2025-08-01Dokumenty pełnotekstoweStudy region: Three Gorges Reservoir Area, China Study focus: Soil preferential flow (PF) is a special but important pattern of water infiltration. However, the understanding of how the PF occurrence changes following land-use conversion remains unclear, especially in subtropical hilly and mountaino...
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104
A review study of numerical modeling of the impulse wave caused by the sliding of masses into still waters and parameters affecting it
Wydane 2024-09-01Dokumenty pełnotekstoweThe phenomenon of impulse waves caused by soil mass sliding into water is one of the important issues in geotechnical and hydrodynamic engineering, which can have destructive consequences on the environment and coastal structures. These waves are widely observed in nature and engineering environment...
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105
Study on main controlling factors of CO2 huff-n-puff for enhanced oil recovery and storage in shale oil reservoirs
Wydane 2025-08-01“…Therefore, exploring CO2 huff-n-puff in shale oil reservoirs for enhanced oil recovery while simultaneously achieving carbon sequestration has significant practical value. …”To address the challenges of rapid production decline and low recovery of shale oil wells, it is imperative to supplement formation energy and explore innovative development methods. Compared with conventional waterflooding, CO2 exhibits superior injectivity and miscibility with crude oil, making it...
Dokumenty pełnotekstowe
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106
Data Processing Technology for the Forecasting of the Water Inflow into a Reservoir with the Use of Earth Remote Sensing and the Network of Meteorological and Hydrological Posts
Wydane 2022-11-01“…Management of the hydropower plants requires the economically efficient use of water re-sources based on the forecasts and simulation models of the hydropower plant and the reservoir. …”Management of the hydropower plants requires the economically efficient use of water re-sources based on the forecasts and simulation models of the hydropower plant and the reservoir. There are various data sources for the water inflow forecasting: meteorological and hydrological posts, Earth remote...
Dokumenty pełnotekstowe
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107
An iteration-free approach for determining the average reservoir pressure and original gas in place by production data analysis: Methodology and field cases
Wydane 2025-06-01“…Compared with current techniques, this methodology avoids the iterative calculation of pseudo-time and pseudo-pressure functions, lowers the multiplicity of type curve analysis, and is applicable in different production situations (constant/variable gas flow rate, constant/variable bottom-hole pressure) with a broad range of applications and ease of use. Reservoir numerical simulation and field examples are thoroughly discussed to highlight the capabilities of the proposed approach.…”Current gas well decline analysis under boundary-dominated flow (BDF) is largely based on the Arps' empirical hyperbolic decline model and the analytical type curve tools associated with pseudo-functions. Due to the nonlinear flow behavior of natural gas, these analysis methods generally requir...
Dokumenty pełnotekstowe
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108
All-Optical Encryption and Decryption at 120 Gb/s Using Carrier Reservoir Semiconductor Optical Amplifier-Based Mach–Zehnder Interferometers
Wydane 2025-07-01“…We present a novel design and simulation of an all-optical encryption and decryption system operating at 120 Gb/s using carrier reservoir semiconductor optical amplifiers (CR-SOAs) embedded in Mach–Zehnder interferometers (MZIs). …”Encryption and decryption are essential components in signal processing and optical communication systems, providing data confidentiality, integrity, and secure high-speed transmission. We present a novel design and simulation of an all-optical encryption and decryption system operating at 120 Gb/s...
Dokumenty pełnotekstowe
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109
Genetic relationship between shell fossils and shale oil: A case study of Jurassic shale reservoir in the northeast Sichuan Basin
Wydane 2025-04-01Dokumenty pełnotekstoweABSTRACT: Benthic bivalves, the most widely distributed mollusks since the Mesozoic era, often inhabited environments where their fossilized remains are found adjacent to or intermingled with organic-rich shale. Recent Jurassic shale oil exploration in the Sichuan Basin has revealed that bioclastic...
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110
Results of Experimental Simulation of the Development of Gas Condensate Deposits of the Coastal Field
Wydane 2022-08-01“…Experimental development modeling is performed to predict condensate losses in the reservoir under initial reservoir conditions and during field operation. …”Introduction. Experimental development modeling is performed to predict condensate losses in the reservoir under initial reservoir conditions and during field operation. The assessment of gas condensate characteristics in laboratory conditions was carried out on samples of production from the wells...
Dokumenty pełnotekstowe
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111
Water pollution risk simulation and prediction in a drinking water catchment
Wydane 2018-01-01“…The situation of hydrology, water quality and economic benefit in the reservoir area under six management measures was simulated with scenario analysis. …”Soil and water assessment tool (SWAT) was employed to analyze the main sources and patterns of eutrophic pollutants in Laohutan reservoir, located in Huzhou City, Zhejiang Province from Jan. 2010 to Apr. 2015. The situation of hydrology, water quality and economic benefit in the reservoir area under...
Dokumenty pełnotekstowe
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112
CO2 flooding effects and breakthrough times in low-permeability reservoirs with injection–production well patterns containing hydraulic fractures
Wydane 2025-06-01“…This study utilized numerical simulations to investigate the effects of hydraulic fractures, permeability, and CO2 injection rates on CO2 breakthrough times and cumulative oil production. …”Comprehensive studies on CO2 breakthrough times and flooding effects are crucial for optimizing CO2 flooding strategies. This study utilized numerical simulations to investigate the effects of hydraulic fractures, permeability, and CO2 injection rates on CO2 breakthrough times and cumulative oil pro...
Dokumenty pełnotekstowe
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113
SIMULATION SCENARIO OF INTRODUCTION OF FISH WHITEBAIT WITH THE ACCOUNT OF BIOGENIC ELEMENTS DYNAMICS
Wydane 2017-08-01Dokumenty pełnotekstoweThe article discusses the expansion of the previously formulated approach to modeling aspects of the reproductive cycle, taking into account the changes in the habitat and metamorphosis in the development of fish. Excessive accumulation of nutrients with prolonged use of a reservoir for artificial g...
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114
Validation of Gas-liquid Flow Maps Using Chemical Thermodynamic Simulation
Wydane 2025-07-01“…This analysis is based on a rigorous 1D fluid dynamic simulation implemented by the author.…”The transport of liquid and vapor phases in pipes is a more complex engineering problem than that of separate phases. Two-phase transport can be found in chemical plants, production of oil and gas from wells, and reinjection of gas-oil mixtures into depleted reservoirs. Two-phase flow models were in...
Dokumenty pełnotekstowe
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115
THE SIPHON WATER INTAKE FACILITIES IN COOLING POND OF ELECTRIC POWER PLANTS
Wydane 2022-10-01Hasła przedmiotowe: Dokumenty pełnotekstoweThe analysis of the conditions of effectively reducing the temperature ofthe water coming from the reservoir using a slotted intakes and working on the hydraulic siphon principle are shown in the article. The estimation of efficiency using of gap siphon water-taps in the cooling systems of circulati...
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116
Is drought protection possible without compromising flood protection? Estimating the potential dual-use benefit of small flood reservoirs in southern Germany
Wydane 2025-07-01“…The optimized results were varied: some reservoirs can release up to 80 times their capacity with limited benefit for streamflow drought prevention; others can reduce streamflow drought conditions and water deficits by almost 95 % over a 24-year simulation period; and others have potential but are limited by either their capacity or flood protection constraints. …”<p>As climate change drives the intensification and increased frequency of hydrological extremes, the need to balance drought resilience and flood protection becomes critical for proper water resources management. Extreme droughts in the last decade in Germany have caused significant damages t...
Dokumenty pełnotekstowe
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117
A Novel Metallo‐β‐Lactamase AMM‐1 From Alteromonas mangrovi Reveals a Cryptic Environmental Reservoir of Carbapenem Resistance
Wydane 2025-07-01“…These findings highlight the capacity of environmental microbes to serve as long‐standing, cryptic reservoirs of potent resistance determinants, emphasising the need for integrated environmental surveillance and preemptive stewardship strategies. …”ABSTRACT Carbapenem resistance driven by metallo‐β‐lactamases (MBLs) poses a formidable global challenge as these enzymes can degrade a wide range of β‐lactam antibiotics, including last‐line carbapenems. Despite extensive documentation of MBL‐producing pathogens, their evolutionary origins and ecol...
Dokumenty pełnotekstowe
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118
Numerical Simulation Study of Gas Stratification in Hydrogen-Enriched Natural Gas Pipelines
Wydane 2025-06-01Dokumenty pełnotekstoweHydrogen blending in natural gas pipelines facilitates renewable energy integration and cost-effective hydrogen transport. Due to hydrogen’s lower density and higher leakage potential compared to natural gas, understanding hydrogen concentration distribution is critical. This study employs ANSYS Flu...
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119
Water management strategies for climate change mitigation in the Hadejia-Nguru wetlands, Northern Nigeria
Wydane 2025-06-01“…Thus, Alternative III which assigned lower priorities for reservoir filling than municipal, environmental and irrigation water demands from October to June and higher priorities for reservoir refilling from July to September so that it could attain as high a reservoir level as possible was selected as the best operation rule for the two reservoirs.…”Abstract The Hadejia-Nguru wetlands (HNWs) are a UNESCO-declared Ramsar Site due to its importance as a habitat for varieties of exotic flora and fauna of international importance. Climate change, coupled with a declining river flow caused by river regulation, due to the construction of the Tiga and...
Dokumenty pełnotekstowe
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120
Effects of simulated waterlogging on growth, physiological and biochemical characteristics of Metasequoia glyptostroboides seedlings
Wydane 2015-09-01Dokumenty pełnotekstoweThe disruption of natural flow regimes in river systems poses many challenges to riparian ecosystems and their native species. The construction of the Three Gorges Dam has altered the flow regimes of the upper Yangtze River and created a riparian zone with a vertical gap of 30 m. Because of the anti...
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