Rezultaty - reservoir simulation
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181
Estimation of spatiotemporally varying parameters for grid-based distributed hydrologic models
Wydane 2025-08-01“…Additionally, the DAKG-SWD-DP method efficiently identifies climatic factors as key drivers of parameter variations in both basins, while human activities, such as reservoir construction, are also key drivers in the Baihe River basin.…”Study region: Xiangjiang and Baihe River basins, China. Study focus: Hydrologic models often use either time-varying or spatially heterogeneous parameter methods to improve runoff simulations. However, few methods account for both dimensions simultaneously, limiting model accuracy and reducing insig...
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182
Sensitivity of CO<sub>2</sub> Flow in Production/Injection Wells in CPG (CO<sub>2</sub> Plume Geothermal) Systems
Wydane 2025-03-01Dokumenty pełnotekstoweGeothermal energy is typically produced from underground reservoirs using water as the working fluid to transfer heat energy to surface and eventually to the delivery point. CO<sub>2</sub> has been proposed as an alternative working fluid due to its improved mobility, density and its sup...
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183
Mechanistic Study of Oil Adsorption Behavior and CO<sub>2</sub> Displacement Mechanism Under Different pH Conditions
Wydane 2025-07-01“…Enhanced oil recovery (EOR) via CO<sub>2</sub> flooding is a promising strategy for improving hydrocarbon recovery and carbon sequestration, yet the influence of pH on solid–liquid interfacial interactions in quartz-dominated reservoirs remains poorly understood. This study employs molecular dynamics (MD) simulations to investigate the pH-dependent adsorption behavior of crude oil components on quartz surfaces and its impact on CO<sub>2</sub> displacement mechanisms. …”Enhanced oil recovery (EOR) via CO<sub>2</sub> flooding is a promising strategy for improving hydrocarbon recovery and carbon sequestration, yet the influence of pH on solid–liquid interfacial interactions in quartz-dominated reservoirs remains poorly understood. This study employs molec...
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184
THERMOCHRONOLOGY AND MATHEMATICAL MODELING OF THE FORMATION DYNAMICS OF RARE‐METAL‐GRANITE DEPOSITS OF THE ALTAI COLLISION SYSTEM
Wydane 2019-06-01“…The proposed models show thermal cooling of the deep magmatic chambers of granite composition, resulting in the residual foci of rare‐metal‐granite melts, which are known as the petrological indicators of industrial ore deposits (Mo‐W, Sn‐W, Li‐Ta‐Be). According to the simulation results concerning the framework of a closed magmatic system with a complex multistage development history, the magmatic chamber has a lower underlying observable massif and a reservoir associated with it. …”The article presents an event correlation of the Permian‐Triassic granites of the Altai collision system, which are associated with industrial ore deposits and occurrences (Mo‐W, Sn‐W, Li‐Ta‐Be). The multi‐system and multi‐mineral isotope datings of igneous rocks and ore bodies (U/Pb, Re/Os, Rb/Sr,...
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185
Numerical Studies of Advanced Methane Drainage Employing Underground Long-Reach Directional Drilling
Wydane 2025-07-01“…The analysis involved the implementation of geomechanical and dynamic reservoir models to simulate processes in coal seams and the surrounding rocks during coal mining and concurrent methane drainage, in accordance with the proposed technology. …”This paper presents the procedures and results of the numerical modelling and simulations performed to analyse an innovative method of advanced methane drainage employing underground long-reach directional drilling (LRDD) technology. The analysis involved the implementation of geomechanical and dyna...
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186
Study on factors influencing the transport and transformation of polycyclic aromatic hydrocarbons in soil–groundwater systems
Wydane 2025-06-01Dokumenty pełnotekstoweIn this review, the migration and transformation behavior of polycyclic aromatic hydrocarbons (PAHs) in the soil–groundwater system and their interaction with environmental factors are discussed. The migration and transformation of PAHs are mainly regulated by organic matter, soil depth, surface wat...
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187
An approach to forecast production profiles, oil-gas ratio and water contamination probabilistic assessment
Wydane 2024-10-01“…An approach to probabilistic assessment of field development forecast parameters for gas-condensate reservoir using multivariant simulation was studied. …”An approach to probabilistic assessment of field development forecast parameters for gas-condensate reservoir using multivariant simulation was studied. The necessity of such decision may be explained by the aim to level the influence of large number of uncertainties which occur during the work wit...
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188
Regulation of hydrocarbon production process based on dynamic tracer monitoring of horizontal well inflow profile
Wydane 2024-04-01“…As part of the research, the geological structure of the reservoir section was updated, which includes a lithological and facial analysis and geological and hydrodynamic simulation of the reservoir. …”This paper presents the results of geological and production analysis of development and reserves of the pilot area using the results of dynamic marker monitoring of horizontal wellbores of production wells using high-precision indicators. As part of the research, the geological structure of the res...
Dokumenty pełnotekstowe
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189
Influence of the Reactive Fluid Flow Regime on Mineral Dissolution Rate
Wydane 2025-07-01“…This study presents numerical simulation results of pore-scale acid treatment in carbonate reservoirs using the density functional hydrodynamics (DFH) method. …”The digital core analysis technique and associated direct pore-scale flow modeling tools provide unique capabilities for simulating physicochemical processes at the microscale, while accounting for the structure and properties of actual reservoir rock matrices. This study presents numerical simulati...
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190
Comparative analysis of surface infrastructure models for an oil field in the Pannonian Basin: Evaluation of Aspen HYSYS and GAP software
Wydane 2025-01-01“…Aspen HYSYS is used for modeling the entire production process, including oil and gas processing, refining, and chemical plants, while GAP specializes in integrated asset modeling (IAM), modeling wells, flowlines, risers, and surface facilities, optimizing the entire production system from the reservoir to the processing plant. This paper first provides the theoretical background relevant to the research topic, including the basic concepts of process simulation in Aspen HYSYS and GAP. …”The Integrated Production Model (IPM) acts as a digital twin of the actual field, representing reservoir behavior, all wells and their equipment, as well as the entire surface infrastructure. This model allows for changes in parameters within the virtual environment, enabling the simulation of vario...
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191
Hybrid Estimation of Inflow Multiphase Production Rates Using a Dynamic Wellbore Flow Model
Wydane 2025-06-01“…This is a challenging problem in the oil and gas industry, where the knowledge of multiphase production rates plays an important role during reservoir characterization, production optimization and reservoir management. …”This paper considers the problem of estimating the quantitative parameters of a two-phase fluid flow in a well based on the dynamic physical flow model. This is a challenging problem in the oil and gas industry, where the knowledge of multiphase production rates plays an important role during reserv...
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192
Online learning to accelerate nonlinear PDE solvers: Applied to multiphase porous media flow
Wydane 2025-12-01Dokumenty pełnotekstoweWe propose a novel type of nonlinear solver acceleration for systems of nonlinear partial differential equations (PDEs) that is based on online/adaptive learning. It is applied in the context of multiphase flow in porous media. The proposed method rely on four pillars: (i) dimensionless numbers as i...
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193
Damage response and influencing factors of plastic damage caused by hydraulic fracturing of shale
Wydane 2025-06-01“…Based on numerical simulation, the existence of a plastic zone on the hydraulic fracturing wellbore was determined; ③ The range of plastic zone on the wellbore during shale hydraulic fracturing is greatly influenced by rock reservoir conditions and construction parameters. …”Shale reservoir hydraulic fracturing is a complex fluid solid coupling physical process. During fracturing, the infiltration of high-pressure fluid in the wellbore can induce the germination of microcracks in the surrounding rock of the wellbore, thereby affecting the rock initiation pressure. In or...
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194
Variation characteristics of physical properties and pore-throat structure of carbonate rocks under the influence of CO2
Wydane 2025-08-01“…However, current studies on reservoir changes caused by CO₂ sequestration in saline aquifers are mainly limited to the macroscopic scale, with a lack of characterization of changes in the pore structure of rocks before and after CO₂-water-rock reactions at the microscopic scale. …”As China advances toward its dual-carbon goals, CO2 sequestration in saline aquifers is a key pathway. Saline aquifers in southwestern China are rich in resources and hold great potential for CO2 sequestration. However, current studies on reservoir changes caused by CO₂ sequestration in saline aquif...
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195
LEVERAGING DIGITAL SOLUTIONS FOR NEW ENERGY SYSTEMS MODELLING AND OPTIMISATION
Wydane 2025-06-01“…To overcome these challenges, the paper introduces an integrated "pore-to-process" workflow, which unifies reservoir simulation with process simulation platforms into a single, cohesive framework. …”The paper addresses the limitations of traditional segmented approaches in modeling and optimizing energy systems, particularly in geothermal energy and carbon capture and sequestration (CCS). Historically, these systems were analyzed in isolation, with separate tools for subsurface and surface simu...
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196
Time Series Prediction of Aerodynamic Noise Based on Variational Mode Decomposition and Echo State Network
Wydane 2025-07-01“…ESN then employs a randomly initialized reservoir to map each mode into a high-dimensional dynamical system, and learns their temporal evolution by leveraging the reservoir’s memory of past states to predict their future values. …”Time series prediction of aerodynamic noise is critical for oscillatory instabilities analyses in fluid systems. Due to the significant dynamical and non-stationary characteristics of aerodynamic noise, it is challenging to precisely predict its temporal behavior. Here, we propose a method combining...
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197
Investigation on occurrence states of CO2 storage in formations with gas field produced water reinjection
Wydane 2025-08-01“…Based on the interaction mechanism of CO2, gas field produced water, and reservoir rocks, the PHREEQC software was employed to systematically investigate the influence patterns and underlying mechanisms of CO2 pressure, produced water salinity, reservoir rock type, and formation temperature on the two CO2 occurrence states: dissolved-mineralized phase and free phase. …”Under the background of synergistic pollution and carbon reduction, gas field produced water reinjection coupled with CO2 geological storage provides an important pathway to promote synergistic efficiency and expand the benefits of CO2 geological storage. The evolution of CO2 occurrence states in fo...
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198
Advances in water resources engineering.
Wydane 2015Publisher descriptionSummary: The Handbook of Environmental Engineering is a collection of methodologies that study the effects of pollution and waste in their three basic forms: gas, solid, and liquid. A sister volume to Volume 15: Modern Water Resources Engineering, this volume focuses on the theory and analysis of va...
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Książka
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199
Representation of pressure field and fluid flows in the proximity of a horizontal well based on the instant point sources
Wydane 2024-04-01“…The boundary value problem of transient pressure field development around a horizontal well in a laterally infinite, inhomogeneous, anisotropic reservoir is formulated under assumption of slow spatial variation of the matrix permeability along the well axis. …”The boundary value problem of transient pressure field development around a horizontal well in a laterally infinite, inhomogeneous, anisotropic reservoir is formulated under assumption of slow spatial variation of the matrix permeability along the well axis. The well is represented as a linear fluid...
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200
Application of stochastic models for long-range sediment transport during extreme typhoon events
Wydane 2025-08-01“…By incorporating long-range dependence into the particle motion framework, this study highlights the importance of memory effects in simulating sediment spread. These findings support more accurate predictions of sediment deposition patterns, providing a scientific basis for adaptive reservoir operation strategies in response to intensifying climatic extremes.…”Study Region: The research focuses on the Shihmen Reservoir in northern Taiwan, a multifunctional rolled rockfill reservoir experiencing reduced capacity due to sediment accumulation, which is further exacerbated by significant flood events during typhoons. Study Focus: Our research employs a novel...
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