Blar i Department of Energy and Petroleum Engineering (TN-IEP) på tittel
Viser treff 394-413 av 572
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Optimizing the separation factor along a directional well trajectory to minimize collision risk
(Peer reviewed; Journal article, 2020-04)Optimizing the trajectory of directional wellbores is essential to minimize drilling costs and the impacts of potential drilling problems. It poses multi-objective optimization challenges. Well-design optimization models ... -
Ormen Lange 6305/7 drilling data based ROP modelling and its application
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)During design and planning phase, determination of the accurate rate of penetration (ROP) is essential for efficient drilling operations. Optimized ROP predictions improve the drilling efficiency in terms of decreasing ... -
Oscillating Flow and Pressure Drop in Horizontal Pipes
(Master thesis, 2022)The study’s main aim is to evaluate oscillating flow and pressure drop in horizontal pipes. First, the equipment is calibrated to ensure the correct flow rate. Calibra- tion is done with three methods. These are, Calibration ... -
Ostwald ripening of trapped gas bubbles in porous media : A pore-scale perspective
(PhD thesis UiS;747, Doctoral thesis, 2024)Ostwald ripening of gas bubbles is a thermodynamic process for mass transfer, which is significant for both foam-enhanced oil recovery and underground gas storage. During recovery, it can impact the macroscopic efficiency. ... -
Particle Settling in shear thinning non-Newtonian drilling fluids : Effect of oscillatory motion
(PhD thesis UiS;537, Doctoral thesis, 2020-09)When drilling fluids circulate through the well and during the solids control operations, they are exposed to vibrations and oscillations of different frequencies and amplitudes. The secondary flow structures in oscillatory ... -
Påvirkende faktorer ved bruk av nedihullsmålinger versus ved bruk av overflatemålinger, når Managed Pressure Drilling benyttes.
(Bachelor thesis, 2022)I fremtiden vil olje- og gasselskaper utføre flere boreoperasjoner i krevende miljøer som dypt vann, uttømte reservoarer, brønner med utvidet rekkevidde og høytrykksbrønner med høy temperatur. Disse boreoperasjonene krever ... -
Performance evaluation of subsea petroleum activities utilizing vessels
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-07)Global consumption of the fossil fuels is continuously growing. The oil and gas industry is extending the frontiers of exploration and production towards challenging areas such as deep-water zones and arctic regions. ... -
Periodic CO2 Injection for Improved Storage Capacity and Pressure Management under Intermittent CO2 Supply
(Peer reviewed; Journal article, 2022-01)Storing CO2 in geological formations is an important component of reducing greenhouse gases emissions. The Carbon Capture and Storage (CCS) industry is now in its establishing phase, and if successful, massive storage ... -
Permanent plug and abandonment on Gyda field, challenges, solutions, and qualification of creeping formation to be used as a well barrier in Gyda
(Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020-06-14)Well plugging and abandonment (P&A) presents a very substantial challenge to oil and gas operators, and this challenge will increase exponentially in the coming decades. P&A operation cost the operators billions of dollars ... -
Permeability of Cement Plugs In Steel Pipes and Effects of Treatment Material Injection
(Bachelor thesis, 2021)Wellbore integrity is a common challenge in the oil and gas industry. Despite all measures in place, the integrity is often threatened. The integrity of the well is dependent on zonal isolation, effort is made to ensure ... -
Petroleum Sector-Driven Roadmap for Future Hydrogen Economy
(Peer reviewed; Journal article, 2021)In the climate change mitigation context based on the blue hydrogen concept, a narrative frame is presented in this paper to build the argument for solving the energy trilemma, which is the possibility of job loss and ... -
A petrostate’s outlook on low-carbon transitions: The discursive frames of petroleum policy in norway
(Peer reviewed; Journal article, 2021-08)Norway is a petroleum exporting country that, simultaneously, is at the forefront of implementing ambitious climate policy measures. Through a discourse analysis of official documents that address petroleum policy, this ... -
pH Development Analysis of Alkaline and Low Salinity Water Flooding in sandstone cores
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06)Low salinity (LS) water flooding has been in the center of interest for conventional oil recovery in sandstone reservoir for more than two decades because of its low cost and potential for increased oil recovery. Though ... -
Physics-Based Swab and Surge Simulations and the Machine Learning Modeling of Field Telemetry Swab Datasets
(Peer reviewed; Journal article, 2023)Drilling operations are the major cost factor for the oil industry. Appropriately designed operations are essential for successful drilling. Optimized drilling operations also enhance drilling performance and reduce drilling ... -
PI Regulation in CBHP-MPD Simulation using a Transient Flow Model
(Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020-06)An introduction to control engineering theory is given. The thesis further explores the implementation of a PI regulator in a transient flow model based on the AUSMV scheme. Optimal regulator parameters are important in ... -
Pipe Viscometer for Continuous Viscosity and Density Measurement of Oil Well Barrier Materials
(Peer reviewed; Journal article, 2023)The barrier material is a crucial component for wells, as it provides mechanical support to the casing and prevents the uncontrolled flow of formation fluids, ensuring zonal isolation. One of the essential prerequisites ... -
Plug & abandonment of offshore wells: Ensuring long-term well integrity and cost-efficiency
(Peer reviewed; Journal article, 2019-10)There is an upcoming "P&A wave" of wells that need to be permanently plugged and abandoned, especially in mature, offshore areas such as the North Sea and Gulf of Mexico. It is important to ensure that plugged wells do not ... -
Plug and Abandonment Technologies evaluation and Experimental material testing.
(Master thesis, 2023)Abstract The conventional method to plug and abandonment (P&A) is characterized by its time-consuming nature, high costs, and associated challenges and risks related to Health, Safety, and Environment (HSE) considerations. ... -
Polysulphate as Smart Water Additive for Improved Oil Recovery from Carbonate Reservoirs
(Master thesis, 2022) -
Pore-scale Ostwald ripening of gas bubbles in the presence of oil and water in porous media
(Peer reviewed; Journal article, 2023)Hypothesis Ostwald ripening of gas bubbles is a spontaneous mass transfer process that can impact the storage volume of trapped gas in the subsurface. In homogeneous porous media with identical pores, bubbles evolve toward ...