Rezultaty - reservoir simulation
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141
Numerical simulation of a nonlinear diffusion type equation in a two phase media with linear porosity and permeability model
Wydane 2024-02-01“… Predicting and understanding the behavior of pressure is important in reservoir maintenance and evaluation. This work studies the behavior of fluid pressure in a reservoir by numerical simulation of the pressure diffusion type equation in a two phase media with a linear porosity and permeability model. …”Predicting and understanding the behavior of pressure is important in reservoir maintenance and evaluation. This work studies the behavior of fluid pressure in a reservoir by numerical simulation of the pressure diffusion type equation in a two phase media with a linear porosity and permeability mo...
Dokumenty pełnotekstowe
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142
Class VI Database project: Drill-stem test data from Sweetwater County, Wyoming, USAMendeley Data
Wydane 2025-08-01“…This dataset was primarily collected to help with the Class VI filing process for new carbon storage wells but has significant reuse potential for applications such as developing regional pressure profiles, validating reservoir simulation models, and analyzing legacy well performance. …”Drill-stem test (DST) data are used to evaluate formation pressures and other reservoir properties, providing critical insights into subsurface conditions. We present a digital dataset of legacy DST reports comprising 336 individual tests from 192 wells in Sweetwater County within the Greater Green...
Dokumenty pełnotekstowe
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143
DEVELOPMENT OF A COMPUTER MODEL OF UNSTEADY GAS FILTRATION CONSIDERING HETEROGENEITIES OF FILTRATION PROPERTIES
Wydane 2022-08-01“…Using the obtained models, computer simulator was developed that allows modeling for the two-dimensional case of unsteady gas filtration, taking into account the influence of wells and reservoir heterogeneity.…”This paper presents models of gas filtration processes in the form of partial differential equations taking into account the spatial heterogeneity of the filtration properties of the gas, a numerical model using an implicit finite-difference scheme, and the finite volume method is used. Using the ob...
Dokumenty pełnotekstowe
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144
Radiative Transfer Model-Integrated Approach for Hyperspectral Simulation of Mixed Soil-Vegetation Scenarios and Soil Organic Carbon Estimation
Wydane 2025-07-01“…Soils serve as critical carbon reservoirs, playing an essential role in climate change mitigation and agricultural sustainability. …”Soils serve as critical carbon reservoirs, playing an essential role in climate change mitigation and agricultural sustainability. Accurate soil property determination relies on soil spectral reflectance data from Earth observation (EO), but current vegetation models often oversimplify soil conditio...
Dokumenty pełnotekstowe
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145
Design and analysis of low-density, high-pressure-resistant epoxy resins for advanced leakage control: Insights from experiments and simulations
Wydane 2025-06-01Dokumenty pełnotekstoweLeakage control in deep oil and gas wells is challenging, often leading to increased costs. In this study, a low-density, high-pressure resistant and thermally stable epoxy resin (BEPD) was synthesized by ring opening of 2,2-bis(4-epoxypropoxyphenyl) propane cured with 1,8-diaminonaphthalene. The ma...
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146
Performance of a Continuous Subcutaneous Insulin Infusion (CSII) Pump With Acoustic Volume and Flow Sensing in Simulated High-Consequence Situations
Wydane 2024-01-01Dokumenty pełnotekstowe<italic>Goal:</italic> An insulin pump's failure to deliver insulin in the right amount at the right time is a preventable cause of hospitalization. We evaluated key performance metrics of a novel insulin pump that prevents “silent insulin non-delivery” c...
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147
Assessment of the Impact of Pressure Changes in the Flow Path on the Biological Safety of an Axial Hydraulic Turbine with Increasing Thickness of the Impeller Blade
Wydane 2025-04-01Dokumenty pełnotekstoweThe issues of improving the environmental safety of energy facilities, in particular small hydroelectric power plants, which make it possible to effectively use local energy resources, including the ones for remote and autonomous consumers, are considered. With the increasing number of small hydroel...
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148
Estimating Future Surface Water Availability Through an Integrated Climate‐Hydrology‐Management Modeling Framework at a Basin Scale Under CMIP6 Scenarios
Wydane 2023-07-01“…Additionally, the Double Bias Correction Constructed Analogues method is utilized to downscale and incorporate Coupled Model Intercomparison Project Phase 6 GCMs. Finally, the DHSVM simulated naturalized streamflow and reservoir evaporation rate are input to WAM to simulate reservoir FY. …”Abstract Climate change and increasing water demand due to population growth pose serious threats to surface water availability. The biggest challenge in addressing these threats is the gap between climate science and water management practices. Local water planning often lacks the integration of cl...
Dokumenty pełnotekstowe
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149
Power system impacts of potential environmental constraints for hydropower in Norway
Wydane 2025-01-01“…In our simulations, we observe that flexibility losses due to environmental constraints to some degree are offset by increased flexible operation of unaffected reservoirs and transmission interconnectors. …”New environmental constraints for hydropower improve ecosystems but reduce energy production and flexibility, creating a dilemma between protecting nature and ensuring a sufficient and reliable energy supply. Approximately 88% of Norway’s power comes from hydropower, produced by over 1770 plants. We...
Dokumenty pełnotekstowe
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150
Efficiency estimation of super-viscous oil recovery by in-situ catalytic upgrading in cyclic steam stimulation: from laboratory screening to numerical simulation
Wydane 2024-04-01“…This article describes a method of predicting super-viscous oil deposit development performance by catalytic aquathermolysis process in cycling steam simulation (CSS). This technology involves the injection of an oilsoluble catalyst into the reservoir after several cycles of steam injection and oil production. …”This article describes a method of predicting super-viscous oil deposit development performance by catalytic aquathermolysis process in cycling steam simulation (CSS). This technology involves the injection of an oilsoluble catalyst into the reservoir after several cycles of steam injection and oil...
Dokumenty pełnotekstowe
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151
A Unified Approach to Describing Flow Dynamics in Geothermal Energy Production Systems
Wydane 2023-11-01Dokumenty pełnotekstoweGeothermal energy is typically produced by a collection of wells which drain a reservoir. Engineers’ experience and reservoir monitoring data are employed to properly determine the wells in operation and their production rate. However, identifying the optimal well configuration which contributes the...
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152
PROCESSES OF FORMATION OF SODIUM BICARBONATE GROUNDWATER IN THE RAINWATER – SANDSTONE SYSTEM
Wydane 2023-12-01Dokumenty pełnotekstoweIn modeling, a study was made of the processes of the physical-chemical interaction between rainwater and sandstone. It was stated that as a result of the interaction, already in mineralization of water equal to 55 mg/l, there emerges a pure soda solution whose sharp oxidation properties, retaining...
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153
Reaeration Coefficient Empirical Equation Selection for Water Quality Modeling in Surface Waterbodies: An Integrated Numerical-Modeling-Based Technique with Field Case Study
Wydane 2025-04-01“…The DO modeling results showed that using a reservoir reaeration coefficient of 0.1 day<sup>−1</sup> at 20 °C predicts the best DO simulation with low MAEs of 0.4987 and 0.7880 mg/L during the study years 2021 and 2022, respectively, compared to the field data. …”Empirical equations were developed by many investigators to determine the reaeration coefficients (Ka) required for predicting dissolved oxygen concentrations (DO) in surface waters, especially rivers, lakes, and reservoirs. However, these equations yield a wide range of Ka values. In this paper, an...
Dokumenty pełnotekstowe
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154
Analysis of Carbon Sequestration Capacity and Economic Losses Under Multiple Scenarios in Major Grain-Producing Regions of China: A Case Study of the Urban Agglomeration the Huaihe...
Wydane 2025-06-01“…This study established a multi-dimensional analysis framework of “scenario simulation–reservoir assessment–value quantification”. …”The Huaihe River Basin stands as a vital grain-producing base in China. Predicting the dynamic evolution of its carbon storage (CS) is of great theoretical value and practical significance for maintaining regional ecological security, guaranteeing food production capacity, and coping with climate ch...
Dokumenty pełnotekstowe
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155
Modeling of Hydrogeochemical Processes of Carbon Dioxide Interaction with Formation Water and Rock Minerals During Enhanced Oil Recovery and Underground storage
Wydane 2024-07-01“…Application of hydrogeochemical modeling using PHREEQC software to study interaction of formation water, carbon dioxide and reservoir rock minerals during CO2 injection for enhanced oil recovery or underground storage is discussed. …”Application of hydrogeochemical modeling using PHREEQC software to study interaction of formation water, carbon dioxide and reservoir rock minerals during CO2 injection for enhanced oil recovery or underground storage is discussed. Hydrogeochemical modeling is a powerful tool to evaluate the physico...
Dokumenty pełnotekstowe
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156
DYNAMICS OF CHOLERA TRANSMISSION: A MATHEMATICAL MODELING FRAMEWORK FOR ANALYZING EPIDEMIC PROPAGATION
Wydane 2025-05-01“…In this study, we develop a refined cholera transmission model that accounts for time-dependent recovery rates and persistent environmental reservoirs, extending beyond the assumptions of traditional SIR-type frameworks. …”Cholera remains a significant public health concern globally, offering an opportunity to construct robust transmission models that elucidate its dynamics and guide intervention strategies. In this study, we develop a refined cholera transmission model that accounts for time-dependent recovery rates...
Dokumenty pełnotekstowe
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157
Effect of Corrosion Time on the Corrosion Behavior of N80 Steel in 0.5 MPa CO<sub>2</sub> Simulated Oilfield Water
Wydane 2021-01-01Dokumenty pełnotekstoweAt present, the effect of corrosion time on the corrosion behavior of N80 oil casing steel in 0.5MPa CO2 environment has less been studied.By the means of SEM, XRD, EDS and electrochemical test, the effect of corrosion time on the corrosion behavior of N80 steel in simulated oilfield wate...
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158
Methodology for acid treatment design considering structural features of the bottomhole area
Wydane 2025-04-01“…To develop a methodology for increasing the effectiveness of computer simulation of acid treatment technologies applied under the conditions of heterogeneous carbonate reservoirs of the Tournaisian stage of the Volga–Ural oil and gas province. …”Background. Optimization of the development of residual oil reserves and procedures aimed at in creasing well productivity represents a principal task of subsoil exploitation. Within the Volga–Ural oil and gas province and adjacent oil-bearing zones, acid treatment technologies are among the most co...
Dokumenty pełnotekstowe
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159
Criteria of petroleum potential of a sedimentary basin
Wydane 2024-04-01“…At the prospecting stage, when the type of sedimentary basin and the sedimentary conditions are recognized with some uncertainty, it is possible to predict the properties of source rocks, reservoirs, types of traps and seals. If all static basic criteria, such as source rock, reservoir, seal and trap, are available, it is possible to simulate the formation of petroleum fields, including generation, migration, accumulation and subsequent post-accumulation processes. …”The criteria of petroleum potential of a sedimentary basin are the features that characterize the evolution of a hydrocarbon system as a geological unit. There are basic and additional criteria of oil and gas potential. Without basic criteria, the functioning of the hydrocarbon system and consequent...
Dokumenty pełnotekstowe
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160
Deformation characteristics and seepage mechanism of fractured rock mass under triaxial compression process
Wydane 2025-06-01Dokumenty pełnotekstoweUnderstanding the gas seepage characteristics within fractured rock masses is of great significance for the prediction and prevention of hazardous gases in underground engineering. The formation is actually under a triaxial non-uniform stress state as a result of geological tectonic forces. Few stud...
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