Blar i Department of Energy and Petroleum Engineering (TN-IEP) på tittel
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Analysis for model verification of Torque, Drag and Hydraulic Modules in Oliasoft Welldesign Software
(Master thesis, 2022)Drilling through the subsurface is a complicated process that frequently results in technical challenges. Understanding and anticipating drilling problems, as well as their causes and planning remedies, are essential for ... -
Analysis of flame propagation using an imaging technique BOS (Background Oriented Schlieren) and PIV (Particle Imaging Velocimetry).
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)An experimental and simulation work has been conducted to study premixed flame propagation using imaging technique BOS (background oriented schlieren) and PIV (particle imaging velocimetry). Flame images obtained from ... -
Analysis of lost circulation on the Norwegian Continental Shelf
(Master thesis, 2021)Lost circulation (downhole losses of drilling fluid) is defined by the absence or reduction of drilling fluid pumped through the drill string while drilling the wells, which filtrates the formation instead of flowing up ... -
Analysis of nonlinear effects in fluid flows through porous media
(Peer reviewed; Journal article, 2022-01)This article examines the nonlinear effects of fluid flow in a porous medium, governed by a new semi-analytical equation, from three aspects: equation derivation, experimental verification, and macroscale simulation ... -
Analysis of pore pressure measurements in exploration wells in the Norwegian North Sea
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-12)The aim of this thesis was to examine the pore pressure measurements in the Norwegian North Sea. To study the possibility of the overpressure being an indicator that can increase the probability of hydrocarbon discoveries ... -
Analysis of Wired Drill Pipe Data and Cuttings Transport
(Master thesis, 2023)The prime objective of all oil and gas companies are to conduct various activities in a safe and cost-efficient manner, while also paying attention to the long-term integrity of the wells. To overcome challenges with reduced ... -
Analysis of Wired Drill Pipe data while using the Controlled Mud Level technology
(Master thesis, 2021)Managed Pressure Drilling (MPD) methods are used to drill wells with narrow pressure margins in a safe, efficient, and economical way. Controlled Mud Level (CML) is a dual-gradient MPD technique which is found effective ... -
Analytical modeling and correction of steady state relative permeability experiments with capillary end effects – An improved intercept method, scaling and general capillary numbers
(Peer reviewed; Journal article, 2021)Steady state relative permeability experiments are performed by co-injection of two fluids through core plug samples. Effective relative permeabilities can be calculated from the stabilized pressure drop using Darcy’s law ... -
Analytical modeling of steady state relative permeability experiments with end effects – An improved intercept method, scaling and general capillary numbers
(Peer reviewed; Journal article, 2021)Steady state relative permeability experiments are performed by co-injection of two fluids through core plug samples. Effective relative permeabilities can be calculated from the stabilized pressure drop using Darcy’s law ... -
Analytical solutions for forced and spontaneous imbibition accounting for viscous coupling
(Journal article; Peer reviewed, 2019-11-22)Fluid-fluid momentum transfer can cause higher flow resistance when fluids flow in opposite directions as compared to the same direction. Conventional modelling of flow in porous media using simple, saturation dependent relative ... -
Analyze Gelling Properties for Time-Dependent Non-Newtonian Fluids
(Master thesis, 2022)Drilling fluids are visco-elastic materials. This means that they behave as a viscous fluid when subject to sufficient shear stress and like an elastic solid when they are in near static conditions. Both properties are ... -
Analyze Gelling Properties for Time-Dependent Non-Newtonian Fluids
(Master thesis, 2022)Drilling fluids are visco-elastic materials. This means that they behave as a viscous fluid when subject to sufficient shear stress and like an elastic solid when they are in near static conditions. Both properties are ... -
Annular frictional pressure losses for drilling fluids
(Peer reviewed; Journal article, 2020)In the paper it is demonstrated how a Herschel-Bulkley fluid model, where the parameters are selected from relevant shear rate range of the flow and are parametrically independent, can be used for pressure loss calculations. ... -
Annular frictional pressure losses for drilling fluids
(Peer reviewed; Journal article, 2021)In the paper, it is demonstrated how a Herschel–Bulkley fluid model, where the parameters are selected from relevant shear rate range of the flow and are parametrically independent, can be used for pressure loss calculations. ... -
The Application of an Artificial Neural Network as a Baseline Model for Condition Monitoring of Innovative Humidified Micro Gas Turbine Cycles
(Peer reviewed; Journal article, 2023)Due to high penetration of renewables, the EU energy system is undergoing a transition from large-scale centralized generation toward small-scale distributed generation. The increasing share of intermittent renewables such ... -
Application of Fiber Optic Technology in Reservoir Monitoring
(Master thesis, 2021)The purpose of this thesis was to gain an overview of fields of application of fiber optic technology in reservoir monitoring, how such a measurement system is operated, and challenges that can occur. For automated and ... -
Application of mathematical and machine learning models to predict differential pressure of autonomous downhole inflow control devices
(Peer reviewed; Journal article, 2021)Controlling reservoir fluid flow is important for maximizing petroleum production through wellbores. A major challenge that reduces the production of oil is early breakthrough of secondary fluids to the wellbore perforations. ... -
Application of multicriteria fuzzy clusterization approach to assess the arctic seas oil and gas field development prospects
(Peer reviewed; Journal article, 2019)The article describes a unified approach to the assessment of resources and business planning. As an example, the oil and gas resources of the Pechora Sea are considered in the paper. Based on the specifics of the problem ... -
Application of Multilateral Wells as an alternative solution for costs optimization
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06)Field completion techniques have progressed over the last twenty years. Today, different methods of well drilling can reduce total costs spent on single well construction. Multilateral wells is the primary example of ... -
Application of non-linear dynamics (SINDy) method of drill string model by machine learning.
(Master thesis, 2022)Numerous data floods research in various fields. Quickly grasping the laws of data and finding out equations are of great significance to the study of system characteristics and control systems. The goal of this thesis is ...