NORCE Energi og teknologi
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An analytical 1D model for computing low-frequency electromagnetic fields in material layers: Application to metallurgical furnaces
(Journal article; Peer reviewed, 2025)An analytical one-dimensional model for the distribution of electric fields within multiple material layers is developed and analyzed. The model originates from the study of large three-phase electric smelting furnaces for ... -
Multi-objective reservoir production optimization: Minimizing CO2 emissions and maximizing profitability
(Journal article; Peer reviewed, 2025)Large amounts of energy are consumed and greenhouse gasses are emitted in the process of extracting oil and gas from offshore fields. We investigate methods for solving the multi-objective production optimization for ... -
Borehole Optical Fibre Distributed Temperature Sensing vs. Manual Temperature Logging for Geothermal Condition Assessment: Results of the OptiSGE Project
(Journal article; Peer reviewed, 2024)Geothermal energy is a crucial component contributing to the development of local thermal energy systems as a carbon-neutral and reliable energy source. Insights into its availability derive from knowledge of geology, ... -
Sensitivity analysis for multi-measurement points based SHM in the mooring lines of floating offshore wind turbines
(Peer reviewed; Journal article, 2024)Structural health monitoring in floating offshore wind turbines' mooring lines is vital for detecting early faults and preventing disruptions. Currently, sporadic and expensive monitoring is conducted via remote-operating ... -
Clock Synchronization and Timestamping of Data on Acquisition at the Wellsite: Guidelines and Recommendations
(Peer reviewed; Journal article, 2023)Due to the nature of drilling operations, there are several companies collecting data at the rig. The data acquisition system of each company applies its own timestamp to the data. Subsequent aggregation of data (for ... -
Automated snow avalanche monitoring for Austria: State of the art and roadmap for future work
(Peer reviewed; Journal article, 2023)Avalanches pose a significant threat to the population and infrastructure of mountainous regions. The mapping and documentation of avalanches in Austria is mostly done by experts during field observations and covers usually ... -
Self-Attenuation of Drillstring Torsional Vibrations Using Distributed Dampers
(Peer reviewed; Journal article, 2023)During drilling operations, drillstring vibrations cause many downhole dysfunctions, resulting in underperformance, equipment failure, and possibly wellbore damage. Current drillstring vibration mitigation solutions are ... -
Investigation of field scenarios using a 4n degrees of freedom transient torque and drag model
(Peer reviewed; Journal article, 2023)A coupled drill string dynamics model presents an opportunity to understand, replicate and potentially control the vibrations occurring along a drill string in a deep well. This paper describes a 4n degrees of freedom ... -
The Performance of Distributed Acoustic Sensing for Tracking the Movement of Road Vehicles
(Journal article; Peer reviewed, 2023)In this paper we introduce Distributed Acoustic Sensing (DAS) and discuss its potential application in Intelligent Transportation Systems (ITS). We present the fundamentals of the technology and data processing methods ... -
Induced Currents in the Lining and Steel Shell of Submerged Arc Furnaces
(Peer reviewed; Journal article, 2023)Numerical models in 2D and 3D are used to study induced currents in the lining and steel shell of large three-phase submerged arc furnaces. The alternating currents supplied through the electrodes cause a significant amount ... -
Advances in InSAR Analysis of Permafrost Terrain
(Peer reviewed; Journal article, 2024)Differential interferometric synthetic aperture radar (InSAR) is a remote sensing technique for measuring surface displacements with precision down to millimeters, most commonly from satellites. In permafrost landscapes, ... -
Data Rate Performance of Mobile Multiuser MIMO Underwater Acoustic Communication Systems
(Peer reviewed; Journal article, 2024)This article presents a study of the Multiuser Multiple-Input Multiple-Output (MU-MIMO) Method for the multiple access of multiuser mobile underwater acoustic communications. Orthogonal multiple access schemes, such as ... -
Underground Hydrogen Storage: Technology Monitor Report
(Research report, 2023) -
An agenda for the future of Arctic snow research: the view from Svalbard
(Journal article; Peer reviewed, 2023)The Arctic region is warming at over twice the mean rate of the Northern Hemisphere and nearly four times faster than the globe since 1979. The local rate of warming is even higher in the European archipelago of Svalbard. ... -
Iterative Ensemble Smoothers for Data Assimilation in Coupled Nonlinear Multiscale Models
(Journal article; Peer reviewed, 2024)This paper identifies and explains particular differences and properties of adjoint-free iterative ensemble methods initially developed for parameter estimation in petroleum models. The aim is to demonstrate the methods’ ... -
Integrity Experiments for Geological Carbon Storage (GCS) in Depleted Hydrocarbon Reservoirs: Wellbore Components under Cyclic CO2 Injection Conditions
(Journal article; Peer reviewed, 2024)Integrity of wellbores and near wellbore processes are crucial issues in geological carbon storage (GCS) projects as they both define the confinement and injectivity of CO2. For the proper confinement of CO2, any flow of ... -
Quantum maximum power point tracking (QMPPT) for optimal solar energy extraction
(Journal article; Peer reviewed, 2024)Solar energy is key to achieving a more environmentally responsible future. One way to exploit it is to use semiconductor technology through solar panels to generate clean, sustainable, and controllable energy. However, ... -
Robust Optimization Using the Mean Model with Bias Correction
(Journal article; Peer reviewed, 2024)Optimization of the expected outcome for subsurface reservoir management when the properties of the subsurface model are uncertain can be costly, especially when the outcomes are predicted using a numerical reservoir flow ... -
Using the Quemada rheology model for drilling fluids - practical considerations
(Journal article; Peer reviewed, 2024)A mathematical description of the Quemada rheological model is given, focusing on realistic drilling fluids. The purpose of the work described is to derive results that are required for robust, accurate, and efficient ...
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