Blar i Department of Energy and Petroleum Engineering (TN-IEP) på tittel
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Integration of Neural Networks and Wellbore Stability, a Modern Approach to Recognize Drilling Problems Through Computer Vision and Machine Learning
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06-15)Cavings are an endless and valuable source of information when drilling operations is being performed. Multiple parameters can contribute to produce cavings which indicate that failure has occurred or is about to occur ... -
Interaction of silica nanoparticles with chalk and sandstone minerals: Adsorption, fluid/rock interactions in the absence and presence of hydrocarbons
(PhD thesis UiS;452, Doctoral thesis, 2019-04)Conventional oil production from petroleum reservoirs generally leaves more that 50% of the original oil in place unrecovered. This residual oil is the target of various enhanced oil recovery (EOR) techniques that involve ... -
Interfacial Dynamics of Miscible Displacement of Shear-Thinning Fluid in a Vertical Channel
(Peer reviewed; Journal article, 2023)Abstract The displacement of a shear-thinning fluid by a denser and less viscous Newtonian fluid in a vertical duct is investigated using experiments and numerical simulations. We study how shear-thinning and increased ... -
Interfacial tension and CO2 diffusion coefficients for a CO2 + water and n-decane system at pressures of 10 to 160 bar
(Journal article; Peer reviewed, 2018-11)The objective of this study is to address the influence of different CO2 phases and degrees of CO2 saturation on the interfacial tension and the diffusion of CO2 into a hydrocarbon drop. Axisymmetric drop shape analysis ... -
Invasion of CaCO3 particles and polymers into porous formations in presence of fibres
(Peer reviewed; Journal article, 2022)Formation damage can occur through migration of drilling fluid particles and polymers into porous formations. A methodology for assessing formation damage was applied to measure invasion of CaCO3 and polymers into porous ... -
Investigating the impact of solvent salinity on the viscometric functions of IOR polymers
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06)One of the promising methods of enhanced oil recovery (EOR) is injection of polymers dissolved in low salinity water. This leads to a dramatic increase in the sweep efficiency due to increased apparent viscosity. It is ... -
Investigating the Necessity of Standardized In-Situ Testing Procedures for One-Part Granite-based Geopolymers: An Experimental Study of the Influence of Loading Rate
(Master thesis, 2023)Ordinary Portland cement (OPC) is the most popular choice for cementing material for petroleum well cementing. Since cement is used in the petroleum industry as an essential part of creating zonal isolation and ensuring ... -
Investigating the Necessity of Standardized In-Situ Testing Procedures for One-Part Granite-based Geopolymers: An Experimental Study of the Influence of Pore Pressure
(Bachelor thesis, 2023)Portland cement has been the primary binder used in well construction due to its availability, affordability, and favorable characteristics. However, alternative options are being explored due to well integrity challenges ... -
Investigating the Necessity of Standardized In-Situ Testing Procedures for One-Part Granite-based Geopolymers: Examining the Impact of Temperature and Confining Pressure through Experimental Study
(Master thesis, 2023)Ordinary Portland cement (OPC) is widely used in primary cementing and plug and abandonment operations due to its well-known properties, global availability, and affordability. However, it has limitations and durability ... -
Investigation of a new application for cellulose nanocrystals: a study of the enhanced oil recovery potential by use of a green additive
(Journal article; Peer reviewed, 2018-02)Cellulose nanocrystals (CNC) were investigated for use in a potential new application, enhanced oil recovery. Core flooding experiments were performed on outcrop sandstone cores using CNC particles dispersed in low salinity ... -
Investigation of Geomechanical Effects and Other Controlling Parameters on Shale Gas Production
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06)Shale gas reservoirs are mainly characterized by their low matrix permeability, ranging from sub-nanodarcies to tens of microdarcies, which makes the economic production of these reservoirs rare without needing artificial ... -
Investigation of temperature effects on cement bases for shallow gas zone cementing
(Bachelor thesis, 2021)Shallow gas can create challenges for well integrity, local and global environment. During drilling and completion of wells, shallow gas can create dangerous situations resulting to human, environmental and economic ... -
Investigation of the hydraulic integrity of cement plug: Oilwell cementitious materials
(Peer reviewed; Journal article, 2023)The loss of hydraulic integrity in oil and gas wells due to the loss of cement sheath sealability can lead to environmental contamination, annular pressure build-up, and safety threats. In this study, we examine the hydraulic ... -
Investigation of the performance of a heat pump that uses CO2 as working fluid.
(Bachelor thesis, 2023)Climate change is one of the greatest challenges facing the world today, and reducing greenhouse gas emissions is a critical part of mitigating its impacts. Conventional residential heat pumps use Hydrofluorocarbons (HFCs) ... -
A level set approach to Ostwald ripening of trapped gas bubbles in porous media
(Peer reviewed; Journal article, 2022)Ostwald ripening of gas bubbles is a thermodynamic process for mass transfer, which is important for both foam enhanced oil recovery and geological CO2 storage. We present a methodology for simulating Ostwald ripening of ... -
Leveraging Synergies by Combining Polytetrafluorethylene with Polyvinylidene Fluoride for Solvent-Free Graphite Anode Fabrication
(Peer reviewed; Journal article, 2022)Solvent-free graphite anode is fabricated successfully with the synergistic effect of polytetrafluorethylene (PTFE) and polyvinylidene fluoride (PVDF). PTFE acts as a processing aid reagent to form a self-supporting electrode ... -
Lithium-Ion Capacitors: A Review of Strategies toward Enhancing the Performance of the Activated Carbon Cathode
(Peer reviewed; Journal article, 2023)Lithium-ion capacitors (LiC) are promising hybrid devices bridging the gap between batteries and supercapacitors by offering simultaneous high specific power and specific energy. However, an indispensable critical component ... -
Litteraturstudier om Livssyklusvurdering av Teknologier for Fangst, Lagring og Utnyttelse av CO2
(Bachelor thesis, 2021)In recent years, the awareness of climate change creates concern for the international community. Human activities are the main factors that contribute to the natural greenhouse effect of the earth. The burning of fossil ... -
LNG marine system design, critical appraisal of IGF Code requirements, parametric optimizing of design inputs and mathematical modeling of LNG/NG leakage spread in the Tank Connection Space.
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06-14)The European government is concerned about reducing greenhouse gas emissions due to climate change and global warming. Therefore, all sectors within the European Union are committed to achieving the Paris agreement goals, ... -
Low Pressure Adsorption of Carbon Dioxide and Nitrogen on Activated Carbon and Zeolite 13X
(Master thesis, 2023)Several gas separation techniques have been used throughout the year, however the most cost effective and energy efficient gas separation process to date is that of adsorption. Adsorption of carbon dioxide from flue or ...