Department of Energy Resources (TN-IER): Nye registreringer
Viser treff 21-40 av 283
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Structural geologic modeling and restoration using ensemble Kalman inversion
(Peer reviewed; Journal article, 2023-06)We demonstrate the use of Ensemble Kalman Inversion (EKI) for building three-dimensional, multi-fault, kinematically restorable structural geologic models, by means of a workflow in which fault geometry, the distribution ... -
Hydrogen diffusion into caprock: A semi-analytical solution and a hydrogen loss criterion
(Peer reviewed; Journal article, 2023)Depleted gas reservoirs can provide a gigaton capacity and the necessary infrastructure for large scale hydrogen storage. Therefore, underground storage of hydrogen in these geological formations is considered a valuable ... -
A new formulation of the surface charge/surface potential relationship in electrolytes with valence less than three
(Peer reviewed; Journal article, 2023)Surface complexation models (SCMs) based on Gouy-Chapman theory are often used to describe adsorption of ions onto mineral surfaces. To compensate for the buildup of charge at a solid surface, the composition of the electric ... -
Holistic 3D Model of an Urban Area in Norway: An Integration of Geophysical, Geotechnical, Remote Sensing, and Geological Methods
(Peer reviewed; Journal article, 2023)Understanding the distribution and characterization of natural and non-natural materials on the surface and near-subsurface is important for the development of infrastructure projects. This may be a challenge in highly ... -
Ecosystem services in northern Norway
(Bachelor thesis, 2023) -
cdem: A macOS program for discrete element modeling of tectonic structures
(Peer reviewed; Journal article, 2023-08)cdem is a macOS document-based application for two-dimensional discrete element modeling of tectonic structures and their associated deformation. Documents encapsulate simulations that can be run and explored simultaneously. ... -
A Second-Order Finite Volume Method for Field-Scale Reservoir Simulation
(Peer reviewed; Journal article, 2023-08)Subsurface reservoirs are large complex systems. Reservoir flow models are defined on complex grids that follow geology with relatively large block sizes to make consistent simulations feasible. Reservoir engineers rely ... -
Numerical investigation on blast-induced rock fragmentation with different stemming structures
(Peer reviewed; Journal article, 2023-09)Stemming is one of the main concerns in blast of rock engineering due to its impact on explosion energy consumption and rock excavation performance. In this study, blast-induced rock fragmentation under different stemming ... -
Adjoint-state method for seismic AVO inversion and time-lapse monitoring
(PhD thesis UiS;, Doctoral thesis, 2023)This dissertation presents seismic amplitude versus offset (AVO) inversion methods to estimate water saturation and effective pressure quantitatively in elastic and viscoelastic media. Quantitative knowledge of the saturation ... -
Modeling Energy Consumption and Heat Exchange of Buildings
(Master thesis, 2023)This research thesis investigates energy consumption and thermal dynamics in buildings, with a focus on achieving energy efficiency and indoor comfort in cold-climate regions like Norway. There is a necessity for the ... -
Impact of risk attitude on optimal IOR initiation time: A case study solved in a sequential decision-making framework powered by machine learning-based non-linear regression
(Master thesis, 2023)The least-squares Monte Carlo algorithm (LSM) is an efficient approximate dynamic programming algorithm for solving sequential decision-making problems, leveraging regression. Previous studies have showcased the LSM workflow ... -
Probabilistic Machine Learning for Production Optimization Under Uncertainty
(Master thesis, 2023)This thesis investigates the application of Bayesian Optimization (BO) in the optimization of the Expected Net Present Value (ENPV) for oil field development. The objective is to maximize the ENPV while reducing the ... -
Lattice Boltzmann Simulation of Power-Law Fluids in a Fontan Geometry
(Master thesis, 2023)Numerical Modeling can provide insight and improve processes in human health. This masters thesis is a Python implementation of the lattice Boltzmann method in two dimensions to model flows related to the Fontan cardiac ... -
Holistic 3D Model of an Urban Area in Norway: An Integration of Geophysical, Geotechnical, Remote Sensing, and Geological Methods
(Peer reviewed; Journal article, 2023)Understanding the distribution and characterization of natural and non-natural materials on the surface and near-subsurface is important for the development of infrastructure projects. This may be a challenge in highly ... -
A Federated Computational Workflow for Analysis of DISKOS Digital Palynological Slides.
(Master thesis, 2023)A novel federated computational workflow for analyzing digital palynological slide images is implemented in this thesis. The slide data files, typically exceeding 3GB, present significant data mobility and computation ... -
Analysis of wind and response measurement data from a suspension bridge
(Master thesis, 2023)The Lysefjord Bridge is a suspension bridge at the entrance to the Lysefjord in south-western Norway at which full-scale measurements on wind conditions and bridge response are collected using anemometers and accelerometers. ... -
3D Processing, Imaging and Interpretation of Dense Sub Bottom Profile Data Acquired in Avaldsnes and Hafrsfjord
(Master thesis, 2023)This thesis addresses the challenges associated with conducting archaeological seismic surveys in shallow water and nearshore environments, focusing on the effects of dynamic elements such as wind, tide, and waves. These ... -
Lithological Heterogeneities in the Zechstein Group: Compressed Air Energy Storage Opportunities in Salt Caverns
(Master thesis, 2023)Ensuring a sustainable future necessitates the adoption of renewable energy sources, such as wind and solar energy. However, these energy sources are inherently intermittent, which emphasizes the need for effective energy ... -
Comparing hydro- and wind electricity sources in Norway.
(Bachelor thesis, 2023)The motivation for this study was to get a better understanding of the two main power production methods, as more and more wind power plants are appearing in Norway, alongside a rise in the export of electricity overseas. This ... -
Effective Management of Hybrid Workloads in Public and Private Cloud Platforms
(Master thesis, 2023)As organizations increasingly adopt hybrid cloud architectures to meet their diverse computing needs, managing workloads across on-premises and on multiple cloud environments has become a critical challenge. This thesis ...