Littérature scientifique sur le sujet « PhreeqC numerical simulations »
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Articles de revues sur le sujet "PhreeqC numerical simulations"
Sedighi, Majid, Hywel R. Thomas et Philip J. Vardon. « Reactive transport of chemicals in unsaturated soils : numerical model development and verification ». Canadian Geotechnical Journal 53, no 1 (janvier 2016) : 162–72. http://dx.doi.org/10.1139/cgj-2014-0436.
Texte intégralLiu, Bo, Fangyuan Zhao, Jinpeng Xu et Yueming Qi. « Experimental Investigation and Numerical Simulation of CO2–Brine–Rock Interactions during CO2 Sequestration in a Deep Saline Aquifer ». Sustainability 11, no 2 (9 janvier 2019) : 317. http://dx.doi.org/10.3390/su11020317.
Texte intégralVu, Phuong Thanh, Chuen-Fa Ni, Wei-Ci Li, I.-Hsien Lee et Chi-Ping Lin. « Particle-Based Workflow for Modeling Uncertainty of Reactive Transport in 3D Discrete Fracture Networks ». Water 11, no 12 (27 novembre 2019) : 2502. http://dx.doi.org/10.3390/w11122502.
Texte intégralSzabó, Zsuzsanna, Csaba Hegyfalvi, Ágnes Freiler-Nagy, Beatrix Udvardi, Péter Kónya, Csilla Király, Edit Székely et György Falus. « Geochemical reactions of Na-montmorillonite in dissolved scCO2 in relevance of modeling caprock behavior in CO2 geological storage ». Periodica Polytechnica Chemical Engineering 63, no 2 (18 mars 2019) : 318–27. http://dx.doi.org/10.3311/ppch.12850.
Texte intégralKLUNK, M. A., S. DASGUPTA, M. DAS, P. R. WANDER et A. DI CAPUA. « GEOCHEMICAL SPECIATION AND BATCH MODE SIMULATION IN THE CARBONATE DEPOSITIONAL ENVIRONMENTS ». Periódico Tchê Química 16, no 33 (20 mars 2019) : 736–48. http://dx.doi.org/10.52571/ptq.v16.n33.2019.751_periodico33_pgs_736_748.pdf.
Texte intégralKempka, Thomas, Svenja Steding et Michael Kühn. « Verification of TRANSPORT Simulation Environment coupling with PHREEQC for reactive transport modelling ». Advances in Geosciences 58 (3 novembre 2022) : 19–29. http://dx.doi.org/10.5194/adgeo-58-19-2022.
Texte intégralKhaledialidusti, Rasoul, et Jon Kleppe. « Significance of Geochemistry in Single-Well Chemical-Tracer Tests by Coupling a Multiphase-Flow Simulator to the Geochemical Package ». SPE Journal 23, no 04 (7 février 2018) : 1126–44. http://dx.doi.org/10.2118/189971-pa.
Texte intégralFengjuan, Zhang, Xing Liting, Wang Song, Zhuang Huibo, Dou Tongwen et Yang Zengyuan. « Research on Formation Mechanism of Jiyang Shallow Saline Ground Water ». Open Chemical Engineering Journal 9, no 1 (10 novembre 2015) : 155–60. http://dx.doi.org/10.2174/1874123101509010155.
Texte intégralLuo, Haishan, Emad W. Al-Shalabi, Mojdeh Delshad, Krishna Panthi et Kamy Sepehrnoori. « A Robust Geochemical Simulator To Model Improved-Oil-Recovery Methods ». SPE Journal 21, no 01 (18 février 2016) : 55–73. http://dx.doi.org/10.2118/173211-pa.
Texte intégralBaqer, Yousef, Keith Bateman, Vanessa M. S. Tan, Douglas I. Stewart, Xiaohui Chen et Steven F. Thornton. « The Influence of Hyper-Alkaline Leachate on a Generic Host Rock Composition for a Nuclear Waste Repository : Experimental Assessment and Modelling of Novel Variable Porosity and Surface Area ». Transport in Porous Media 140, no 2 (27 octobre 2021) : 559–80. http://dx.doi.org/10.1007/s11242-021-01702-2.
Texte intégralThèses sur le sujet "PhreeqC numerical simulations"
Ndjaka, Ange. « THERMOPHYSICAL PROCESSES AND REACTIVE TRANSPORT MECHANISMS INDUCED BY CO2 INJECTION IN DEEP SALINE AQUIFERS ». Electronic Thesis or Diss., Pau, 2022. http://www.theses.fr/2022PAUU3003.
Texte intégralCO2 storage in deep saline aquifers has been recognised as one of the most promising ways to mitigate atmospheric CO2 emissions and thus respond to the challenges of climate change. However, the injection of CO2 into the porous medium considerabely disturbs its thermodynamic equilibrium. The near-well injection zone is particularly impacted with a strong geochemical reactivity associated with intense heat exchanges. This has a major impact on injectivity of the reservoir and the integrity of the storage. In addition to these effects, there is the added complexity of the presence of two immiscible phases: brine (wetting fluid) and CO2 (non-wetting fluid). These effects lead to highly coupled Thermo-Hydro-Mechanical-Chemical (THMC) processes, whose interpretations have not yet been completed nor formally implemented into the numerical models.This thesis work, combining experimental measurements and numerical modelling, focuses on the study of the coupling between the thermal gradients and the diffusive reactive transport processes taking place in the deep saline aquifers, particularly in the near-well injection zone. We studied the exchanges between a cold anhydrous CO2 phase flowing in high permeability zones, and a hot salty aqueous phase trapped in the porosity of the rock. The strategy of the study starts with a simple approach in a free medium without CO2 flow, in order to study the reactivity of saline solutions of different chemical compositions, and to evaluate the impact of a thermal gradient on this reaction network.We have developed an experimental cell that allow to superimpose 2 to 3 layers of solution of different concentration and chemical composition. The analysis of the light scattered by the non-equilibrium fluctuations of concentration and temperature allows to obtain the diffusion coefficients of salts in water. Our results are in good agreement with literature values. Regarding the study of diffusive reactive transport, the analysis of the contrast of the images allowed us to highlight the fact that the precipitation of minerals, obtained by superimposing two aqueous layers of reactive, is accompanied by a convective instability that fades with time. Numerical modelling of the experimental results with PHREEQC using a heterogeneous multicomponent diffusion approach has allowed us to account for these convective instabilities. Different temperature gradients were applied to the reactive system, while keeping a mean temperature of 25 °C. The experimental observations and numerical interpretations swhow that the temperature gradient has no significant influence on the behaviour of the system. Subsequently, we numerically studied the desiccation process (evaporation of water) at the interface between a brine trapped in the rock porosity and the CO2 flowing in a draining pore structure, simulating the conditions of the Dogger aquifer of the Paris basin. A model coupling the evaporation of water in the CO2 stream and the heterogeneous multicomponent diffusion of salts predicts the appearance of a mineral assemblage at the evaporation front, mainly composed by halite and anhydrite. Modelling this phenomenon at the reservoir scale would requires taking into account the evaporation rate as a function of the CO2 injection rate and the change in porosity at the interface.This thesis work has made it possible to highlight several physicochemical, thermophysical and diffusive transport phenomena at phase interfaces. This opens up new perspectives for improving numerical approaches and large-scale modelling, in particular of near-well injection of CO2 and geological storage reservoirs, and supports future industrial developments and technologies for the ecological transition
Jara, Heredia Daniel. « Improvement of the numerical capacities of simulation tools for reactive transport modeling in porous media ». Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S036/document.
Texte intégralReactive transport modeling in porous media involves the simulation of several physico‑chemical processes: flow of fluid phases, transport of species, heat transport, chemical reactions between species in the same phase or in different phases. The resolution of the system of equations that describes the problem can be obtained by a fully coupled approach or by a decoupled approach. Decoupled approaches can simplify the system of equations by breaking down the problem into smaller parts that are easier to handle. Each of the smaller parts can be solved with suitable integration techniques. The decoupling techniques might be non‑iterative (operator splitting methods) or iterative (fixed‑point iteration), having each its advantages and disadvantages. Non‑iterative approaches have an error associated with the separation of the coupled effects, and iterative approaches might have problems to converge. In this thesis, we develop an open‑source code written in MATLAB (https://github.com/TReacLab/TReacLab) in order to model the problematic of concrete atmospheric carbonation for an intermediate‑level long‑lived nuclear waste package in a deep geological repository. The code uses a decoupled approach. Classical operator splitting approaches, such as sequential, alternating or Strang splitting, and less classical splitting approaches, such as additive or symmetrically weighted splitting, have been implemented. Besides, two iterative approaches based on an specific formulation (SIA CC, and SIA TC) have also been implemented. The code has been interfaced in a generic way with different transport solvers (COMSOL, pdepe MATLAB, FVTool, FD scripts) and geochemical solvers (iPhreeqc, PhreeqcRM). In order to validate the implementation of the different approaches, a series of classical benchmarks in the field of reactive transport have been solved successfully and compared with analytical and external numerical solutions. Since the associated error due to the combination of operator splitting and numerical techniques may be complex to assess, we explore the existing mathematical tools used to evaluate it. Finally, we frame the atmospheric carbonation problem and run preliminary simulations, stating the relevant problems and future steps to follow
Laera, Nichi. « Geochemical modelling of copper precipitation as consequence of steel corrosion in flow‐through experiments mimicking a geothermal production well ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.
Trouver le texte intégralHabtemichael, Yonas T. « Hydrogeochemical Modeling of Saltwater Intrusion and Water Supply Augmentation in South Florida ». FIU Digital Commons, 2016. http://digitalcommons.fiu.edu/etd/2438.
Texte intégralActes de conférences sur le sujet "PhreeqC numerical simulations"
Elgendy, Ahmed M. S., Alberto Pizzolato, Marco Maniglio, Claudio Geloni, Paola Panfili et Caterina Topini. « Reactive Transport Modelling of H2 Storage in Depleted Gas Fields : An Approach to Implement Biogeochemical Reactions in a Compositional Reservoir Simulator ». Dans SPE EuropEC - Europe Energy Conference featured at the 84th EAGE Annual Conference & Exhibition. SPE, 2023. http://dx.doi.org/10.2118/214434-ms.
Texte intégralFani, Mahmood, Tina Puntervold, Skule Strand et Aleksandr Mamonov. « Assessing the Effect of Carbonated Water on the Geochemistry of CO2-Storing-Bed Minerals ». Dans SPE Norway Subsurface Conference. SPE, 2024. http://dx.doi.org/10.2118/218484-ms.
Texte intégralHassan, Anas Mohammed, Mohammed Abdalla Ayoub, Mysara Eissa Mohyaldinn et Emad Walid Al-Shalabi. « Insights into Hybrid Smart Water Assisted Foam (SWAF) Flooding in Carbonate Reservoirs : A Combined Numerical and Experimental Approach ». Dans ADIPEC. SPE, 2022. http://dx.doi.org/10.2118/211439-ms.
Texte intégralSennaoui, Billel, Hui Pu, Nuri Oncel, Mohamed Lamine Malki et Samuel Afari. « Experimental and Numerical Simulation Using X-ray Photoelectron Spectroscopy (XPS) and PHREEQC for Geochemical Interaction Effect on ScCO2-EOR and Storage in Unconventional Reservoirs ». Dans Unconventional Resources Technology Conference. Tulsa, OK, USA : American Association of Petroleum Geologists, 2023. http://dx.doi.org/10.15530/urtec-2023-3864179.
Texte intégralAl Dandan, Esam, et Md Mofazzal Hossain. « Understanding of Geochemical Reactions in Hydrogen-Injected Wells : Cement Integrity for Safe Underground Hydrogen Storage ». Dans International Petroleum Technology Conference. IPTC, 2024. http://dx.doi.org/10.2523/iptc-23620-ms.
Texte intégralHassan, Anas M., Emad W. Al-Shalabi, Waleed AlAmeri, Muhammad S. Kamal, Shirish Patil et Syed M. Shakil Hussain. « New Insights into Hybrid Low Salinity Polymer (LSP) Flooding Through a Coupled Geochemical-Based Modeling Approach ». Dans SPE Annual Technical Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/210120-ms.
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