Simplified hydraulics model used for intelligent estimation of downhole pressure for a managed-pressure-drilling control system GO Kaasa, ØN Stamnes, L Imsland, OM Aamo SPE Drilling & Completion 27 (01), 127-138, 2012 | 169 | 2012 |
Drilling seeking automatic control solutions JM Godhavn, A Pavlov, GO Kaasa, NL Rolland IFAC Proceedings Volumes 44 (1), 10842-10850, 2011 | 127 | 2011 |
Switched control for pressure regulation and kick attenuation in a managed pressure drilling system J Zhou, ØN Stamnes, OM Aamo, GO Kaasa IEEE Transactions on Control Systems Technology 19 (2), 337-350, 2010 | 123 | 2010 |
Adaptive observer design for the bottomhole pressure of a managed pressure drilling system ON Stamnes, J Zhou, GO Kaasa, OM Aamo 2008 47th IEEE Conference on Decision and Control, 2961-2966, 2008 | 122 | 2008 |
A first principle model for multiphase slugging flow in vertical risers F Di Meglio, GO Kaasa, N Petit Proceedings of the 48h IEEE Conference on Decision and Control (CDC) held …, 2009 | 79 | 2009 |
Stabilization of slugging in oil production facilities with or without upstream pressure sensors F Di Meglio, N Petit, V Alstad, GO Kaasa Journal of Process Control 22 (4), 809-822, 2012 | 74 | 2012 |
Parameter estimation and compensation in systems with nonlinearly parameterized perturbations HF Grip, TA Johansen, L Imsland, GO Kaasa Automatica 46 (1), 19-28, 2010 | 58 | 2010 |
Intelligent estimation of downhole pressure using a simple hydraulic model G Kaasa, ON Stamnes, L Imsland, OM Aamo SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference …, 2011 | 51 | 2011 |
Aspects of importance related to Arctic DP operations A Gürtner, BHH Baardson, GO Kaasa, E Lundin International Conference on Offshore Mechanics and Arctic Engineering 44939 …, 2012 | 48 | 2012 |
A simple dynamic model of drilling for control GO Kaasa StatoilHydro Research Centre, Porsgrunn, Norway 66, 2007 | 48 | 2007 |
Redesign of adaptive observers for improved parameter identification in nonlinear systems ØN Stamnes, OM Aamo, GO Kaasa Automatica 47 (2), 403-410, 2011 | 47 | 2011 |
Adaptive redesign of nonlinear observers Ø Stamnes, OM Aamo, GO Kaasa IEEE Transactions on Automatic Control 56 (5), 1152-1157, 2011 | 44 | 2011 |
A constructive speed observer design for general Euler–Lagrange systems ØN Stamnes, OM Aamo, GO Kaasa Automatica 47 (10), 2233-2238, 2011 | 43 | 2011 |
Slugging in multiphase flow as a mixed initial-boundary value problem for a quasilinear hyperbolic system F Di Meglio, GO Kaasa, N Petit, V Alstad Proceedings of the 2011 American Control Conference, 3589-3596, 2011 | 40 | 2011 |
Reproducing slugging oscillations of a real oil well F Di Meglio, GO Kaasa, N Petit, V Alstad 49th IEEE Conference on Decision and Control (CDC), 4473-4479, 2010 | 38 | 2010 |
Model-based control of slugging flow: an experimental case study F Di Meglio, GO Kaasa, N Petit, V Alstad Proceedings of the 2010 American Control Conference, 2995-3002, 2010 | 38 | 2010 |
Model-based control of slugging: advances and challenges F Di Meglio, GO Kaasa, N Petit, V Alstad IFAC Proceedings Volumes 45 (8), 109-115, 2012 | 36 | 2012 |
Switched backstepping control of an electropneumatic clutch actuator using on/off valves H Sande, TA Johansen, GO Kaasa, SR Snare, C Bratli 2007 American control conference, 76-81, 2007 | 36 | 2007 |
Experimental disturbance rejection on a full-scale drilling rig A Pavlov, GO Kaasa, L Imsland IFAC Proceedings Volumes 43 (14), 1338-1343, 2010 | 35 | 2010 |
Pressure regulation with kick attenuation in a managed pressure drilling system J Zhou, ØN Stamnes, OM Aamo, GO Kaasa Proceedings of the 48h IEEE Conference on Decision and Control (CDC) held …, 2009 | 30 | 2009 |