Blar i Department of Energy and Petroleum Engineering (TN-IEP) på tittel
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ROP Modeling
(Bachelor thesis, 2022)Drilling fast and safe has and is a key value for operator companies. Maintaining a high Rate of Penetration (ROP) during drilling without causing incidents enables drilling project costs to be reduced. In 1964 Bingham ... -
ROP Modelling, Analysis and Optimization Study Based on Morvin Field 6506/11 Drilling Data.
(Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020-07-06)During the planning phase, the drilling rate of penetration (ROP) optimization simulation studies are performed in order to increase ROP, reduce the drilling time - and bit wear. Optimizing ROP is important to improve the ... -
Rotary Steerable System modelling and simulator
(Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020-06-12)Nowadays, there is a fact in the oil industry: directional drilling is a common and essential procedure in major drilling operations. With the development of technologies that allows horizontal and multilateral wells, the ... -
Safety and reliability improvement of valves and actuators in the offshore oil and gas industry
(Peer reviewed; Journal article, 2022)Valve failure is a major risk and a costly phenomenon in the offshore sector of the oil and gas industry. It results in severe negative consequences, such as a loss of assets, a loss of production due to plant shutdowns, ... -
Safety and reliability improvements of valves and actuators for the offshore oil and gas industry through optimized design
(PhD thesis UiS;573, Doctoral thesis, 2021-02)Valves are essential components of piping systems in the oil and gas industry, especially offshore, where they are used for stopping or starting the fluid, flow regulation, and back flow prevention, as well as safety ... -
Selecting the Optimal Configuration for a Solar Air Heater Using the Grey–Taguchi Method
(Peer reviewed; Journal article, 2020-03)In this study, a typical Grey–Taguchi method has been applied in order to select the optimal configuration of a solar air heater to achieve optimum performance. The analysis is performed for different system configurations ... -
Selection of Optimal Well Trajectory Using Multi-Objective Genetic Algorithm and TOPSIS Method
(Peer reviewed; Journal article, 2023)This study presents a novel approach for optimizing well paths in extended reach drilling (ERD) wells. Different trajectories can be used for ERD wells, each with its pros and cons. Previous research overlooked certain ... -
A semi-analytical solution for shale gas production from compressible matrix including scaling of gas recovery
(Peer reviewed; Journal article, 2021-09)The aim of this work is to present semi-analytical solutions for shale gas production from a 1D porous medium, where constant pressure is assumed at one side and a no-flow boundary at the other. Adsorbed gas is modeled by ... -
Signal Analysis Techniques to Study Borehole Geometry by Utilizing High-Resolution Caliper Data to Detect and Characterize Wellbore Spirals and Ledges
(Master thesis, 2023)As horizontal and extended-reach wells continue to become more prominent in the oil and gas industry, ensuring the quality and stability of boreholes becomes increasingly crucial. This is essential for improving drilling, ... -
Simulating Managed Pressure Drilling and well control scenarios on test rig
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06-12)The need for new methods for drilling wells is increasing, and new technology is introduced to the industry in order to solve the challenges we face. We are facing tougher and more challenging fields to drill. This includes ... -
Simulation and Prediction of Countercurrent Spontaneous Imbibition at Early and Late Time Using Physics-Informed Neural Networks
(Peer reviewed; Journal article, 2023-09)The application of physics-informed neural networks (PINNs) is investigated for the first time in solving the one-dimensional countercurrent spontaneous imbibition (COUCSI) problem at both early and late time (i.e., before ... -
simulation of CO2 convections in porous media
(Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020)Global warming is one of the challenges the world faces in the modern era. Therefore, the injection of carbon dioxide into the geological layers is one of the methods which have been used to reduce the emissions of carbon ... -
Simulation of Counter-Current Spontaneous Imbibition Based on Momentum Equations with Viscous Coupling, Brinkman Terms and Compressible Fluids
(Peer reviewed; Journal article, 2021)A numerical model is investigated representing counter-current spontaneous imbibition of water to displace oil or gas from a core plug. The model is based on mass and momentum conservation equations in the framework of the ... -
Simulation of oil recovery by wettability alteration – interpretation of Smart water imbibition experiments at reservoir conditions
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06-14)More than 50 % of the proven oil resources in the world are present in carbonates, but the recovery rate is relatively low. Accordingly, a lot of focus has been on improving the efficiency of carbonate reservoirs by applying ... -
Simulation of Oil Recovery Process – Co-current Spontaneous Imbibition in Fractured Reservoirs
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06-14)A large fraction of the world petroleum reserves is made up by Naturally Fractured Reservoirs (NFR) which are usually produced by waterflooding. The injected water flows primarily through the fracture network and cover the ... -
Simulation Study and Modelling Improvements for the Bullheading Process
(Master thesis, 2022)In a bullheading operation, selecting the right pumping rate is vital to the job's success. A too low pumping rate may not displace the undesired fluid back into the formation, and a too-high rate generates high surface ... -
Simulerings-basert Tuning av PI-kontroller-parametere for Managed Pressure Drilling
(Bachelor thesis, 2023)Trykkontroll er en av de viktigste faktorene under enhver boreoperasjon. Å holde trykket i brønnen innenfor grensene til formasjonen rundt er kritisk for å sikre tryggheten under operasjoner. Felt på sokkelen begynner å ... -
Simultaneous AVO inversion and seismic lithology cube estimation by using PP and PS angle stack seismic data of the Oseberg Field, North Sea
(Masteroppgave/UIS-TN-IER/2018;, Master thesis, 2018-06)Converted seismic wave data is not yet commonly used in oil industry. In an offshore environment Ocean Bottom Cables (OBCs) are needed to register the converted S-waves in addition to the P-waves which makes the acquisition ... -
Slam behandling i Grunn Gass (Grunn Gass problematikken og løsninger)
(Bachelor thesis, 2021)Grunn gass er et stort problem i mange områder av ordet. Den grunne gassen er svært bekymringsfull ved boring til havs på grunn av deres potensial for mange sparke problemer eller utblåsning. Grunn gass kan føre til svært ... -
Slørebotn Sub-basin Tectono-Stratigraphic Framework
(Masteroppgave/UIS-TN-IER/2018;, Master thesis, 2018-06-15)The Slørebotn Sub-basin remains today as an underexplored region on the Norwegian continental shelf, in contrast to the well explored Halten Terrace and northern North Sea that have proven to be prolific hydrocarbon ...