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Publications - Search Results
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 | | Seabed Rig Well Control Study
Nygaard, G.
Distribution restriction: Confidential |
| | Summary of work in MaxWells
Breyholtz, Ø. Gravdal, J.E. Nygaard, G. Vefring, E.H. Zhou, J.
Distribution restriction: Confidential |
| | Kvitebjørn MPD Well Control Study
Gravdal, J.E. Iversen, F. Nygaard, G. Gjeraldstveit, H. Carlsen, L.A. Dvergsnes, E.W.
Distribution restriction: Confidential |
| | Control Hierarchy for Automated Co-ordinated Control of Drilling Equipment
Nygaard, G. Nikolaou, M. Vefring, E.H. Siahaan, H. Breyholtz, Ø.
Distribution restriction: Confidential |
| | Multivariable process control in high temperature and high pressure environment using non-intrusive multi sensor data fusion
Nygaard, G.
Distribution restriction: Open |
| | Using MPC for controlling downhole pressure during drilling operations
Nygaard, G.
Distribution restriction: Open |
| | Automatic Coordinated Control of Equipment in MPD Operations
Nygaard, G.
Distribution restriction: Open. Order no: 2008/097 |
| | Non-linear model predictive control scheme
for stabilizing annulus pressure during oil well drilling
Nygaard, G. Nævdal, G.
Distribution restriction: Open |
| | Drilleren trenger hjelp. Automatisert trykkregulering
Nygaard, G.
Gradering: Åpen |
| | Evaluating Nonlinear Kalman Filters for Parameter Estimation in Reservoirs During Petroleum Well Drilling
Nygaard, G. Nævdal, G. Mylvaganam, S.
Distribution restriction: Open |
| | Reservoir Characterization during UBD: Methodology and Active Tests
Nævdal, G. Vefring, E.H. Nygaard, G. Lorentzen, R.J. Fjelde, K.K.
Distribution restriction: Open |
| | Modelling Two-Phase Flow for Control Design in Oil Well Drilling
Nygaard, G. Nævdal, G.
Distribution restriction: Open |
| | Verdande's DrillEdge Software Test at Virtual Rig
Leulseged, A. Cayeux, E. Frøitland, T.S. Nygaard, G.
Distribution restriction: Confidential |
| | Bottomhole Pressure Control During Drilling Operations in Gas-Dominant Wells
Nygaard, G. Vefring, E.H. Fjelde, K.K. Nævdal, G. Lorentzen, R.J. Mylvaganam, S.
Distribution restriction: Open |
| | Drilling Kristin depleted with OBM
Well Control Study
Iversen, F. Gjeraldstveit, H. Dvergsnes, E.W. Nygaard, G.
Distribution restriction: Confidential |
| | Automatic Coordination of Equipment while Circulating Out A Kick and Displacing the Kill-Weight Mud
Carlsen, L.A. Gravdal, J.E. Zhou, J. Nygaard, G. Time, R.W.
Distribution restriction: Confidential |
| | Advanced Automatic Control for Dual-Gradient Drilling
Breyholtz, Ø. Nygaard, G. Nikolaou, M.
Distribution restriction: Open |
| | Method for Optimal Placement of Sensors in a Wired Pipe Drillstring
Fossgaard, E. Nygaard, G. Vefring, E.H.
Distribution restriction: Open |
| | Evaluating New and Existing Automatically Controlled Deep Water Drilling Concepts Using a High-Fidelity Simulation Model
Breyholtz, Ø. Nygaard, G.
Distribution restriction: Open |
| | Evaluating Control Designs for co-ordinating pump rates and choke valve during managed pressure drilling operations
Breyholtz, Ø. Nygaard, G. Godhavn, J.-M.. Vefring, E.H.
Distribution restriction: Open |
| | Control and Estimation of Downhole Pressure in Managed Pressure Drilling Operations
Zhou, J. Nygaard, G.
Distribution restriction: Open |
| | SPE 91578: Bottomhole Pressure Control During Pipe Connection in Gas-Dominant Wells
Vefring, E.H. Nygaard, G. Fjelde, K.K. Nævdal, G. Lorentzen, R.J. Mylvaganam, S.
Distribution restriction: Open |
| | Using NMPC based on a Low-Order Model for Controlling Pressure During Oil Well Drilling
Nygaard, G. Imsland, L.S. Johannessen, E.A.
Distribution restriction: Open |
| | Managed Pressure Drilling: A Multi-Level Control Approach
Breyholtz, Ø. Nygaard, G. Siahaan, H. Nikolaou, M.
Distribution restriction: Open |
| | Automatic Coordinated Control of Pump Rates and Choke Valve for Compensating Pressure Fluctuations during
Nygaard, G. Johannessen, E.A. Gravdal, J.E. Iversen, F.
Distribution restriction: Open |
| | Deep Water Drilling: Full Pressure Profile Control in Open Hole Section Using Model Predictive Control
Breyholtz, Ø. Nygaard, G.
Distribution restriction: Open |
| | Comparison of Automatic Control Methodologies for Maintaining Required Annulus Pressure Gradient
Nygaard, G. Nævdal, G. Fjelde, K.K. Vefring, E.H. Gravdal, J.E.
Distribution restriction: Open |
| | Control Algorithms Applied to Managed Pressure Drilling Operations in Depleted Reservoirs
Nygaard, G. Kaasa, G.-O.
Distribution restriction: Open |
| | Dynamic Shut-In Procedure in Response to a Kick Incident Using Automatic Coordinated Control
Carlsen, L.A. Nygaard, G. Gravdal, J.E. Nikolaou, M. Schubert, J.
Distribution restriction: Open |
| | On Modeling and Observer Design of Fluid Flow Dynamics for Petroleum Drilling Operations
Siahaan, H. Nygaard, G.
Distribution restriction: Open |
| | Evaluating New Automatic Well Control Procedure for a Kick Incident during MPD by Automatic Switch Control of Choke-Valve Opening and Real-Time Pore Pressure Estimation
Zhou, J. Nygaard, G. Vefring, E.H.
Distribution restriction: Confidential |
| | SPE 81634: Reservoir Characterization during UBD: Methodology and Active Tests
Vefring, E.H. Nygaard, G. Lorentzen, R.J. Nævdal, G. Fjelde, K.K.
Distribution restriction: Open |
| | Automatic Calibration of Real-Time Computer Models in Intelligent Drilling Control Systems - Results From a North Sea Field Trial
Lohne, H.P. Gravdal, J.E. Dvergsnes, E.W. Vefring, E.H. Nygaard, G.
Distribution restriction: Open |
| | SPE 90962: Underbalanced Drilling: Improving Pipe Connection Procedures Using Automatic Control
Vefring, E.H. Nygaard, G. Mylvaganam, S. Lorentzen, R.J. Nævdal, G. Fjelde, K.K.
Distribution restriction: Open |
| | SPE 77530: Reservoir Characterization during Underbalanced Drilling; Methodology, Accuracy, and Necessary Data
Vefring, E.H. Nygaard, G. Fjelde, K.K. Lorentzen, R.J. Nævdal, G. Merlo, A.
Distribution restriction: Open |
| | SPE/IADC 97372: Evaluation of drillstring and casing instrumentation needed for reservoir characterization during drilling operations
Nygaard, G. Fjelde, K.K. Nævdal, G. Lorentzen, R.J. Vefring, E.H.
Distribution restriction: Open |
| | Automatic Evaluation of Near-Well Formation Flow Interaction during Drilling Operations
Gravdal, J.E. Lohne, H.P. Nygaard, G. Vefring, E.H. Time, R.W.
Distribution restriction: Open |
| | SPE 102842: Feasibility Study of Managed-Pressure Drilling With Automatic Choke Control in Depleted HP/HT Field
Iversen, F. Gravdal, J.E. Dvergsnes, E.W. Nygaard, G. Gjeraldstveit, H. Carlsen, L.A. Low, E. Munro, C. Torvund, S.
Distribution restriction: Open |
| | Performing the Dynamic Shut-in Procedure Because of a Kick Incident When Using Automatic Coordinated Control of Pump Rates and Choke- Valve Opening
Carlsen, L.A. Nygaard, G. Gravdal, J.E. Nikolaou, M. Schubert, J.
Distribution restriction: Open |
 | | Bruk av MPC for styring av nedihullstrykk under boreoperasjoner
Nygaard, G.
Gradering: Åpen. Bestillingsnr: 2006/159 |
| | Automating the drilling fluid flow loop, reducing the environmental risk
Nygaard, G.
Distribution restriction: Open. Order no: 2007/141 |
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02.09.2010 Tegnekonkurransen sommeren 2010 handlet om energi, miljø og fremtiden. Vi har nå trukket tre heldige vinnere 25.08.2010 IRIS og SINTEF sammen med universitetene i Trondheim (NTNU) og Stavanger (UiS) etablerer et internasjonalt senter for bore- og brønnteknologi 25.08.2010 IRIS and SINTEF together with the universities in Stavanger (UiS) and Trondheim (NTNU) have just established an international Center for Drilling and Wells for Improved Recovery
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