Blar i Faculty of Science and Technology på tittel
Viser treff 3933-3952 av 7059
-
Major bioactive chemical compounds in Astragali Radix samples from different vendors vary greatly
(Peer reviewed; Journal article, 2021-07)The worldwide traditional Chinese medicine (TCM) herbs sales figures have increased considerably to 50 billion US$ (2018). Astragali Radix (AR) is amongst the most often sold TCM herbs; sales in the European Union (EU) ... -
Making a simple steady state model more appropriate for underbalanced drilling
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)In an underbalanced operation the well needs to be kept in underbalanced conditions at all time. That is, from the beginning to the end of the drilling process. This is necessary to keep well from formation damage and ... -
Making risk-informed decisions to optimize drilling operations using along string measurements with Wired drill pipe a high-speed, high-quality telemetry alternative to traditional mud pulse telemetry.
(Master thesis, 2021)The ever-increasing demand for energy resources has led to drilling more complex and challenging wells. The information required to navigate through these complex geologies is provided by highly sophisticated sensors ... -
Making sense of nonsense : Integrated gradient-based input reduction to improve recall for check-worthy claim detection
(CEUR Workshop Proceedings;, Chapter, 2023)Analysing long text documents of political discourse to identify check-worthy claims (claim detection) is known to be an important task in automated fact-checking systems, as it saves the precious time of fact-checkers, ... -
Maleic and Methacrylic Homopolymers with Pendant Dibutylamine or Dibutylamine Oxide Groups as Kinetic Hydrate Inhibitors
(Peer reviewed; Journal article, 2022)Kinetic hydrate inhibitors (KHIs) are applied in oil and gas fields to prevent gas hydrate formation, most often in cold subsea flow lines. The main component in industrial KHI formulations is a water-soluble polymer with ... -
Man gjennomfører risiko- og sårbarhetsanalyser, men hva så?
(Master thesis, 2022)Denne oppgaven har satt søkelys på oppfølgingen av helhetlige risiko og sårbarhetsanalyser (ROS) i kommuner rettet mot et bestemt fylke. Kommunene har gjennom kommunal beredskapsplikt et ansvar for befolkningens sikkerhet ... -
Managed pressure drilling from floaters
(Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013-06-05)Drilling in challenging environments with different drilling hazards cause a lot of non-productive time (NPT), ie time where the rig is not drilling. Much of the challenging environments are in water depth demanding the ... -
Managed pressure drilling from floaters: feasibility studies for applying managed pressure drilling from a floater on the Skarv/Idun field on the Norwegian Continental Shelf by PGNiG Norway AS
(Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)Managed Pressure Drilling (MPD) is a relatively young technology that has improved some old ideas of Underbalanced Drilling (UBD). According to the IADC, MPD is an “adaptive process used to precisely control the annular ... -
Management of challenges during the construction of offshore facilities
(Peer reviewed; Journal article, 2019)The construction of offshore facilities for development of oil and gas deposits is preceded by careful Conceptual Studies, Front-End Engineering Design Studies (FEED studies) and a Detailed Engineering phase including ... -
Management of change - with the main focus on safety instrumented systems
(Masteroppgave/UIS-TN-IØRP/2013;, Master thesis, 2013)Safety instrumented systems (SISs) are implemented in the oil and gas industry to detect the onset of hazardous events, and/or to mitigate their consequences. As with any system, for different reasons, modifications are ... -
Management of well barriers and challenges with regards to obtaining well integrity
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)Well integrity is a result of technical, operational and organizational barriers applied, with the intention to contain and control the reservoir fluid and well pressures. Failure to obtain and maintain adequate barriers ... -
Managing business continuity in the Arctic: Experiences from mining
(Peer reviewed; Journal article, 2023)This article presents a model for business continuity capacity, which shows how organizations can analyze possible gaps in their business continuity capability and thereby increase their capacity to recover value-adding ... -
Managing hidden system threats for higher production regularity using intelligent technological solutions: A case study
(Journal article; Peer reviewed, 2010)Identification and interpretation of hidden system threats on complex oil and gas production platforms has always been a challenge. These threats may gradually develop into failures/faults resulting in system shutdowns or ... -
Managing the efficiency of foreign engineering contracts: A study of a Norwegian and South Korean project interface
(Masteroppgave/UIS-TN-IKM/2015;, Master thesis, 2015-06-15)Oil & gas exploration and production industry in North Sea has greatly been challenged over the last decade with increasing cost profiles. This condition, together with relatively low oil price has begun to squeeze the ... -
Managing Uncertainty in Geological CO2 Storage Using Bayesian Evidential Learning
(Peer reviewed; Journal article, 2021-03)Carbon capture and storage (CCS) has been increasingly looking like a promising strategy to reduce CO2 emissions and meet the Paris agreement’s climate target. To ensure that CCS is safe and successful, an efficient ... -
Manipulation of the choke pressure during Managed Pressurized Drilling (MPD) operation
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)In the present investigation, the disturbance and its effect on the bottom hole pressure has been studied. After digging into the prior works, it’s figured out that the reason of their failure is oversimplification and ... -
Manufacturing Software Prototype for applying fuzzy MCDM in Well completion optimization
(Master thesis, 2021)Well completion is the important system to put the well into the production phase. This well completion engineering system is complex engineering which requires reservoir drilling, cementing of the well, installation of ... -
Map-based interfaces for common operational picture
(Chapter, 2020)Common operationalpicture (COP) map-based interfacesdisplay operational information to support integrationofemergency responders. Such interfacesintegrate different subsystems and present the resulting information into an ... -
Mapping climate discourse to climate opinion: An approach for augmenting surveys with social media to enhance understandings of climate opinion in the United States
(Peer reviewed; Journal article, 2021)Surveys are commonly used to quantify public opinions of climate change and to inform sustainability policies. However, conducting large-scale population-based surveys is often a difficult task due to time and resource ... -
Mapping of misconceptions concerning the carbon cycle - a quantitative survey of students in lower secondary and upper secondary school.
(Master thesis, 2022)This study aims to map what misconceptions students in lower secondary and upper secondary school possess concerning the carbon cycle. Data was gathered quantitatively using an anony- mous survey. Over 200 students from ...