Browsing UiS Brage by Title
Now showing items 3964-3983 of 18545
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Drilling operation efficiency
(Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-06-16)The petroleum industry on the Norwegian Continental Shelf is in a time with well construction time and cost as an increased challenging factor. The operators desire to discontinue this trend and are currently cutting cost. ... -
Drilling Optimisation on the Norwegian Continental Shelf: Opportunities in Well Design Practice
(Master thesis, 2018-04-17)The purpose of this thesis was to attempt to provide evidence that Norway’s drilling fraternity is long overdue for a re-think in the way it drills wells. In so doing, the author has chosen to focus on slim well drilling ... -
Drilling optimization : drill bit performance optimization using DROPS simulator ( Ekofisk/Eldfisk Field)
(Masteroppgave/UIS-TN-IPT/2010;, Master thesis, 2010)Two drilled Wells: Well A and Well B were analysed under the following input data; drilling parameter, survey data, lithology data and bit information using DROPS simulator to showcase the bit performance optimization ... -
Drilling performance on the 12 1/4'' section on Smørbukk and Smørbukk Sør in the period from year 1996 - 2014
(Master thesis, 2014-12-01)The cost of drilling wells at the Norwegian Continental Shelf (NCS) has increased drastically. This is one of the focal points both in the media and for the operating companies when it comes to the future of the NCS. For ... -
Drilling problems in depleted reservoirs
(Masteroppgave/UIS-TN-IPT/2009;, Master thesis, 2009)New oil and gas wells are becoming more challenging to drill. New technology and better understanding of new and existing reservoirs become available, pushing the envelope of what is technically possible and economically ... -
Drilling rig maintenance: an analytical study of the classification, treatment, data quality of equipment failures and related downtime
(Masteroppgave/UIS-TN-IKM/2011;, Master thesis, 2011)The aim of this thesis is to improve the way failures caused by insufficient maintenance are being managed and reported on drilling rigs and thereby reducing the overall downtime and related cost for the rigs. By looking ... -
Drilling spare parts: Identifying and evaluating critical parameters
(Masteroppgave/UIS-TN-IKM/2011;, Master thesis, 2011)Spare parts for drill rigs are a complicated and important task to be handled. The operations are run on tight schedules and costs are based on the number of days to complete the operations. There are strict regulations ... -
Drilling through the over-pressured formations on Skarv field
(Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-06-15)The main objective of this thesis was an investigation and of drilling operations in over-pressured formations on the J-4H/HT2 well on the Skarv field off the coast of mid-Norway. Abnormally high formation pressures on ... -
"Drink and eat, don't forget god” – decorated stoneware in a period of religious and political unrest and conflict
(Chapter; Conference object, 2023)In northern Europe, the 16th century was a period characterised by the breakthrough of the Reformation and the establishment of national states. Following the technological principles of printing and adapting the motifs ... -
Drivere for utvikling av et sikkerhetsorientert kvalitetssystem ved Kvinneklinikken - en analyse av 20 års utvikling i lys av sikkerhetsteori
(Masteroppgave/UIS-TN-IØRP/2015;, Master thesis, 2015-07-30)Bakgrunn for valg av problemstilling er min interesse for ledelse av pasientsikkerhet, og ønsket om å lære mer om hva som skal til/hvordan en kan lykkes i arbeidet med å etablere og beholde en robust organisasjon. I denne ... -
Drivers and barriers of circular economy business models: Where we are now, and where we are heading
(Peer reviewed; Journal article, 2022)Literature on the circular economy business model (CEBM) has witnessed a sharp upsurge in recent years. Although scholars have investigated CEBM from several perspectives, including the green business model, waste management, ... -
Drivers of climate variability and increasing water salinity impacts on the farmer’s income risk with future outlook mitigation
(Peer reviewed; Journal article, 2022)Purpose The main aim of this study is to investigate the impact of climate change and water salinity on farmer’s income risk with future outlook mitigation. Salinity and climate change are a threat to agricultural ... -
Drivers of food waste reduction behaviour in the household context
(Peer reviewed; Journal article, 2021)Studies on the drivers of household consumer engagement in various food waste reduction strategies have been limited. We thus address this gap by developing a research model that utilises two well-known theories, namely, ... -
Drivers of natural gas price divergence between NBP and TTF in 2022
(Master thesis, 2023)The European gas market has undergone substantial transformations and fluctuations in recent years, resulting in a decoupling in natural gas prices between trading hubs in 2022. Specifically, the Title Transfer Facility ... -
Drivers of Scalar Biases: Environmental Justice and the Portuguese Solar Photovoltaic Rollout
(Peer reviewed; Journal article, 2021)Studying the dynamics of solar photovoltaic (PV) rollout can generate insights on how policies enable and constrain energy transitions. This energy source has low carbon emissions, and has rapidly become economically ... -
Drivers of wine production in the European Union: a macroeconomic perspective
(Peer reviewed; Journal article, 2019)Over the last decades, the European wine industry has been object of increased international competition, which has implications for the dynamics of wine production. This paper examines the underlying factors of wine ... -
Droner – en nykommer i norsk luftfart: Hvordan har Luftfartstilsynet tilnærmet seg risikoreguleringen av dronesektoren?
(Masteroppgave/UIS-TN-ISØP/2019;, Master thesis, 2019-06-29)Antall droner i luften har hatt en eksponentiell økning de siste årene. Hensikten med denne undersøkelsen har vært å kartlegge hvordan Luftfartstilsynet har arbeidet med å få implementert dronene i luftrommet på en ... -
Dropout From an eHealth Intervention for Adults With Type 2 Diabetes: A Qualitative Study
(Journal article; Peer reviewed, 2017-05)Background: Adequate self-management is the cornerstone of type 2 diabetes treatment, as people make the majority of daily treatment measures and health decisions. The increasing prevalence of type 2 diabetes mellitus ... -
Dropp den ølen a pappa - Hvordan kan alkoholavhengighet påvirke barns utvikling
(Bachelor thesis, 2022) -
Dropped object impact analysis on subsea pipelines
(Master thesis, 2023)This thesis studies the response of a subsea pipeline's structure when a dropped object hits it. The pipeline and seabed were modelled using solid elements, while the container model was imported from Aker Solutions and ...