Now showing items 5517-5536 of 7036

    • Robust Decision and Data Science Application for Reservoir Management : Probabilistic Forecasting, History Matching, Sequential Decision Making and Value-of-Information 

      Tadjer, Amine (PhD thesis UiS;, Doctoral thesis, 2023-01)
      Reservoir Management (RM) is defined as the utilization of available technology, financial assets, and human resources to maximize the economic recovery of a reservoir. This type of management involves a series of operations ...
    • Robust observer-based leader-following consensus for a class of nonlinear multi-agent systems: application to UAV formation control 

      Vazquez-Trejo, Juan; Rotondo, Damiano; Medina, Manuel Adam; Theilliol, Didier (Peer reviewed; Journal article, 2021)
      This paper presents the design of a robust observer-based control for a class of nonlinear multi-agent systems. The leader-following consensus problem is solved in order for all the agents to follow the trajectory of a ...
    • Robust Strategies For Rig Procurement 

      Osmundsen, Petter (Working paper, 2013)
      Scarcity of rigs on the Norwegian continental shelf (NCS) has led to a number of interesting changes in the procurement of such units and in the relationship between oil companies and rig contractors. Small oil companies ...
    • Robusthet for utfall av Nødnett og mobilnett 

      Egebakken, Christian; Oda, Uhlen Solheim (Master thesis, 2021)
      Samfunnets avhengighet til mobil-, bredbånds- og internettjenester har ført til et økende fokus på sikkerhet og beredskap i infrastrukturen. Disse tjenestene utgjør den digitale grunnmuren og beskrives av kommunal- og ...
    • Robusthet for utfall av Nødnett og mobilnett 

      Egebakken, Christian; Solheim, Oda Uhlen (Master thesis, 2021)
      Samfunnets avhengighet til mobil-, bredbånds- og internettjenester har ført til et økende fokus på sikkerhet og beredskap i infrastrukturen. Disse tjenestene utgjør den digitale grunnmuren og beskrives av kommunal- og ...
    • Rock physics models for Cenozoic siliciclastic sediments in the North Sea 

      Bilalova, Adelya (Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06)
      The Norwegian North Sea is a huge and mature hydrocarbon province which has been mapped extensively since the discovery of oil and gas in the late 1960s. There is a numerous amount of data that is available for companies ...
    • «Rogalands farligste vei» - En studie av hva som påvirker risikopersepsjon i forbindelse med rasfare 

      Johnstuen, Trym (Master thesis, 2021)
      Denne studien utforsker veibrukeres opplevelse av rasfare på veistrekningen mellom Erfjord og Sand i Suldal kommune i Rogaland. I flere år har denne strekningen vært preget av hyppige steinras av ulik størrelse. Rasene har ...
    • The Role of 5G Technologies in a Smart City: The Case for Intelligent Transportation System 

      Gohar, Ali; Nencioni, Gianfranco (Peer reviewed; Journal article, 2021-05)
      A smart city is an urban area that collects data using various electronic methods and sensors. Smart cities rely on Information and Communication Technologies (ICT) and aim to improve the quality of services by managing ...
    • The role of initial state radiation in quenched jets 

      Zapp, Korinna Christine (Peer reviewed; Journal article, 2022)
      Jet quenching in heavy ion collisions and in particular the sub-structure of quenched jets are promising tools for investigating the microscopic processes underlying jet quenching and the background medium's response to ...
    • The Role of Micro Gas Turbines in Energy Transition 

      Banihabib, Reyhaneh; Assadi, Mohsen (Peer reviewed; Journal article, 2022)
      In the progressively rising decentralized energy market, micro gas turbines (MGT) are seen with great potential owing to their low emissions, fuel flexibility, and low maintenance. The current transformation in the landscape ...
    • Role of Seepage Forces on Seismicity Triggering 

      Unknown author (Journal article; Peer reviewed, 2010-11)
      Borehole fluid injection is commonly used for geological sequestration of carbon dioxide, underground storage of natural gas, waste injections, and during stimulations and development of geothermal and hydrocarbon reservoirs. ...
    • Rolle og funksjon til en fysisk barriere - lukedekk 

      Ørjasæter, Odd Peter S. (Masteroppgave/UIS-TN-IØRP/2012;, Master thesis, 2012)
      Mellom bore- og brønnhodeområdene på faste oljeinstallasjoner er det plassert et lukedekk. Produksjon, boring og øvrige aktiviteter som kreves når man driver med utvinning av olje og gass krever at utstyr penetrerer dette ...
    • Rolle- og ansvarsfordelingen mellom NSM og politiet 

      Trapp, Klaus (Masteroppgave/UIS-TN-IØRP/2019;, Master thesis, 2018-11-01)
      Samfunnets avhengighet av dataløsninger har gjort oss sårbare. Dataangrep rammer det norske samfunn og trenden er økende. Samfunnets organisering av IKT-sikkerhet er derfor helt avgjørende for å sikre våre verdier på en ...
    • Rolleforståelse i prosjektteam i samferdselsavdelingen i Rogaland fylkeskommune 

      Skaar, Knut (Master thesis, 2023)
      Sammendrag Oppgaven handler om organisering av team i samferdselsavdelingen i Rogaland fylkeskommune, med spesielt fokus på rollesammensetning. Helt presist har problemstillingen vært «Hvordan kan rolleforståelsen i ...
    • ROP Modeling 

      Aarø, Tord (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 and analysis 

      Husvæg, Morten Adamsen (Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-06-11)
      A total of six techniques are developed to model ROP for a new well. The techniques attain coefficients or specific values from a close-by already drilled well. Using these and drilling parameters, the proposed method ...
    • ROP Modelling, Analysis and Optimization Study Based on Morvin Field 6506/11 Drilling Data. 

      Mohamud, Yahya Ibrahin Hassan (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 ...
    • ROP optimization and modelling in directional drilling process 

      Kuznetcov, Artem (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-01)
      Rate of penetration (ROP) is one of the most critical parameters affecting virtually all drilling characteristics including technical, operational, economical, safety and other aspects of it. ROP evaluation may provide ...
    • Rotary Steerable System modelling and simulator 

      Pinheiro Saramago de Andrade, Caetano (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 ...
    • Rotary steerable systems: mathematical modeling and their case study 

      Andrade, Caetano; Saavedra, Luis; Tunkiel, Andrzej Tadeusz; Sui, Dan (Peer reviewed; Journal article, 2021-05)
      Directional drilling is a common and essential procedure of major extended reach drilling operations. With the development of directional drilling technologies, the percentage of recoverable oil production has increased. ...