Browsing UiS Brage by Title
Now showing items 9248-9267 of 18575
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Investigation and study on reinforcement learning for optimizing well path
(Master thesis, 2021)Designing an optimal path has been considered one of the key challenges for drilling engineers. Even for a group of competent engineers, it takes many months to plan a well. A robust optimized path can influence total cost ... -
Investigation into broadband-based investments: What are the main drivers?
(Masteroppgave/UIS-SV-HH/2011;, Master thesis, 2011)The subject of broadband connectivity and broadband access is one of the most discussed and less researched areas within public bodies and researchers in the modern society. The current thesis provides an investigation ... -
Investigation into development of safety levels on Norwegian installations in the north sea post-1990
(Masteroppgave/UIS-TN-IØRP/2011;, Master thesis, 2011)There have been no major fatal accidents in the Norwegian sector after 1985, and those which occurred before that are not considered very relevant to the current investigation, because circumstances and policies differed ... -
Investigation into method to raise the deposition point of kinetic hydrate inhibitor polymers
(Masteroppgave/UIS-TN-IMN/2017;, Master thesis, 2017-12-14)This paper decribes the the possibility to increase the deposition point of a kinetic hydrate inhibitor by adding additives such as non-ionic, anionic and cationic polymers. -
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 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 ... -
An investigation of accuracy in the written English of upper secondary vocational school students
(Masteroppgave/UIS-HF-IKS/2010;, Master thesis, 2010)This quantitative and qualitative study investigates the accuracy in students’ written English at the second level of upper secondary vocational education. The research is based on an analysis of 190 creative texts written ... -
Investigation of co-digestion of food waste and primary sludge at SNJ-wastewater treatment
(Masteroppgave/UIS-TN-IMN/2012;, Master thesis, 2012)Anaerobic co-digestion of different organic waste streams, has proven to be a viable solution for sustainable management of organic fraction of waste, with increased everyday application. Besides the environmentally sound ... -
Investigation of condition based maintenance practice within Norwegian oil and gas
(Masteroppgave/UIS-TN-IKM/2012;, Master thesis, 2012)The Oil and Gas industry’s increasing demands within risk management, cost efficiency, plant availability and the technology development have led to an increased interest for monitoring of equipment for performance and ... -
Investigation of Corrosion in Geothermal Wells - A Qualitative Risk Assessment
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-15)The petroleum industry uses a variety of qualitative risk assessment methods for maintaining well integrity, such as well barrier schematics and barrier diagrams. Identifying barriers and using well barrier schematics are ... -
Investigation of Corrosion Resistance of Duplex, Lean Duplex and Austenitic Stainless Steels in Simulated Offshore Environment
(Masteroppgave/UIS-TN-IMBM/2019;, Master thesis, 2019-06-14)Some duplex grades are developed to replace the 300 series of austenitic stainless steels in harsh chloride applications due to superior mechanical and corrosive properties. Since the market price for nickel and molybdenum ... -
Investigation of corrosion resistance property of cold deformed (bended) duplex and super duplex stainless steel tubes
(Masteroppgave/UIS-TN-IMN/2014;, Master thesis, 2014-06-16)Cold deformation (bending) of stainless steel tubes is one of the efficient and cost effective methods to gain the required shapes of the tube that can be useful for different practical applications. Different mechanical ... -
Investigation of critical time and temperature for pitting corrosion on 316SS cladding
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-30)The austenitic stainless steel 316L is a very common and low carbon stainless steel grade. 316L has great corrosion characteristics under harsh conditions such as seawater, acidic medias etc. The presence of molybdenum ... -
Investigation of crystal field, magnetic frustration and magnetization reversal effects in 4f and 3d oxides
(PhD thesis UiS;, Doctoral thesis, 2022-09)This thesis deals with the investigation of single-ion excitations, magnetic frustration, and magnetization reversal phenomena. We have employed neutron scattering, μ+SR, and computational methods for these studies. Inverse ... -
Investigation of Delayless Subband Adaptive Filters within the Unified Framework
(Masteroppgave/UIS-TN-IDE/2016;, Master thesis, 2016-06)Conventional subband adaptive filter (SAF) solved a complexity and convergence rate problem from long adaptive filter by doing adaptive filtering in subbands. The complexity is reduced because the subband adaptive filters ... -
Investigation of DNA-free genome editing in Arabidopsis thaliana with pre-assembled CRISPR-Cas9 ribonucleoproteins and transcripts.
(Master thesis, 2017-06-15)Programmable sequence-specific nucleases (SSNs) produces double stranded breaks (DSBs) in the genome in a site-specific manner. The following repair through endogenous repair systems allows targeted genome editing, which ... -
Investigation of Enhanced Biological Phosphorus Removal (EBPR) Process Performance at SNJ Wastewater Treatment Plant (IVAR)
(Masteroppgave/UIS-TN-IKBM/2019;, Master thesis, 2019-06-15)This study has investigated the efficiency of phosphorus (P) removal and optimization the function of the Enhanced Biological Phosphorus Removal (EBPR) at SNJ (Sentralrenseanlegg Nord-Jæren), owned by IVAR (Interkommunalt ... -
Investigation of gas composition on production performance of J-shaped gas-lift well
(Master thesis, 2014-06-16)The J-shaped gas-lift well showed complex dynamic phenomena. The downward inclination of the J-shaped well introduces periodic waves over time as a result of mixing gas and liquid. This behavior introduces periodic ... -
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 glitches induced by single-crystal diamond compound refractive lenses based on crystal orientation
(Peer reviewed; Journal article, 2019)Single-crystal diamond is considered as an ideal material for compound refractive lenses (usually abbreviated to “CRLs”) mainly due to its stability when bathed in strong X-ray radiation. Since CRLs come into operation by ...