Blar i Department of Energy and Petroleum Engineering (TN-IEP) på tittel
Viser treff 342-361 av 572
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Mineral replacement in long-term flooded porous carbonate rocks
(Peer reviewed; Journal article, 2019-09)This study reports mineralogical and physical property changes linked to geo-chemical alterations processes during three ultra-long-term tri-axial tests on outcrop-chalk from Liège (Belgium). The test core plugs were flooded ... -
Miscible CO2 flooding for EOR in the presence of natural gas components in displacing and displaced fluids
(Journal article; Peer reviewed, 2018-02)Carbon dioxide (CO2) flooding is a complicated process as it involves phase behavior. The objective of this work was to understand the mass transfer mechanisms during flooding with CO2 and CO2/C1/C3 (CO2/HC) based on ... -
Mistet sirkulasjon og Kick-utfordringer i en borebrønn
(Bachelor thesis, 2023)Abstrakt Tapt av sirkulasjon og utfordringer knyttet til kick utgjør betydelige risikoer og operasjonelle vaskeligheter i olje-og gassboringsoperasjoner.Tapt av sirkulasjon refererer til utilsiktet tap av borevæsker inn i ... -
Modeling and investigation of the performance of a solar-assisted ground-coupled CO2 heat pump for space and water heating
(Peer reviewed; Journal article, 2023)The rise in the popularity of heat pumps should be accompanied by the increase in the utilization of environmentally-safe working fluids. To push for wider uptake of hybrid heat pump systems that use natural working fluids, ... -
Modelling and Simulation of Annular Pressure Build up
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06)Annular pressure buildup (APB) has been a concern for well design in the recent years. It is a phenomenon that relates mainly to subsea wells with possibly no means to release the pressure building up in closed annuli. ... -
Modern Casing Design Optimization
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06-15)“Working Stress Design” is the most used casing design method and has been for many years, on the Norwegian continental shelf as well as all over the globe. It is a simple method which in essence comprises of calculating ... -
MoS2 Nanoparticle Effects on 80°C Thermally Stable Water-Based Drilling Fluid
(Peer reviewed; Journal article, 2021-11)Bentonite-based drilling fluids are used for drilling, where inhibitive fluids are not required. The rheological and the density properties of the drilling fluids are highly affected by high temperature and pressure. Due ... -
MPD - Field case Studies, Modelling and Simulation Studies
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-07-10)Due to energy demands and depletion of the existent reservoirs, the oil and gas industry is expanding new frontier exploration and production works such as in deep-water, HPHT zones and arctic regions. However, due to ... -
Multi-well Interference Test Analysis
(Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020)Understanding if there is any hydraulic communication, between the wells within a reservoir and a degree of the communication have been a subject of study for a long time. This information becomes crucial when injection ... -
Multiphase air-water flow loop, Construction and Experiments
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-07-26)The main aim of this work is to build and assemble a two-phase fluid-loop. This loop will allow us and the future students at the university of Stavanger to access a facility which will provides direct opportunities to ... -
Multiscale insights into mechanical performance of a granite-based geopolymer: Unveiling the micro to macro behavior
(Peer reviewed; Journal article, 2023-09)Geopolymers (GPs), based on rocks and similar (waste) materials, have shown promising features as alternatives to Ordinary Portland Cement (OPC) in many applications. The properties of these materials can be tailored to a ... -
Nanoparticles for Oil Well Drilling Fluids and Cement
(PhD Theses;738, Doctoral thesis, 2024)Drilling fluids and oil well cement are essential elements of the drilling process and well construction. Drilling fluids play a crucial role in the drilling process, ensuring the safety and efficiency of well construction. ... -
Natural gas: A transition fuel for sustainable energy system transformation?
(Peer reviewed; Journal article, 2019)Current discourse on the transition to a decarbonized energy system future is dominated by renewable energy solutions. Initial conditions for this transition may vary across different regions and countries. There are, ... -
New Drilling Technology for Hole Cleaning and Efficient Drilling
(Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020-07-07)Well integrity is an important safety aspect of a well. Lack of wellbore integrity can lead to challenges like wellbore collapse, stuck pipe, lost circulation and sloughing shales, which are all big problems for drillers. ... -
New Eco-Friendly Drilling Fluids Synthesis and Characterization: Experimental and Simulation Studies
(Master thesis, 2023)Drilling fluids are an essential part of a safe and successful drilling operation. They offer several key functions such as transporting cuttings to the surface and controlling wellbore pressure. When designing a new ... -
New Insights into the Behaviour of Commercial Silicon Electrode Materials via Empirical Fitting of Galvanostatic Charge-Discharge Curves
(Peer reviewed; Journal article, 2023)Silicon (Si) materials for use in Lithium ion batteries (LIBs) are of continued interest to battery manufacturers. With an increasing number of commercially available Si materials, evaluating their performance becomes a ... -
New method for measuring viscosity of mixtures of two fluids
(Bachelor thesis, 2023)When executing a drilling operation in a well, rheological properties are important to understand in order to have the most error- and problem-free drilling operation as possible. Drilling fluids such as mud, spacer and ... -
New Nanoparticle Based Drilling Fluid Formulation and Characterization: Experimental and Simulation Studies
(Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020)Drilling fluids are an essential part of any drilling operation and it offers several functions of great importance, such as controlling the wellbore pressures and transporting cuttings to the surface. The design of a ... -
New Simple Analytical Surge/Swab Pressure Model for Power-Law and Modified Yield-Power-Law Fluid in Concentric/Eccentric Geometry
(Peer reviewed; Journal article, 2023)The axial movement of pipe in and out of the well generates positive (surge) and negative (swab) pressures that will impact the well pressure. When the swab and surge effects cause well pressures outside the allowable ... -
NiFe hydrotalcite-derived catalyst for CO2 reforming of methane: the impact of calcination and reduction temperature
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06-15)ABSTRACT Carbon dioxide (CO2) emissions has become a major environmental concern for today’s society. As energy demand keeps on rising, the transition to cleaner energies is not fast enough to completely reduce greenhouse ...