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2020
1 Berg, Christian; Stakvik-Løvås, Jon Åge; Kulikov, Stanislav; Badrawi, Maytham; Kaasa, Glenn-Ole; Dubovtsev, Aleksandr; Korolev, Sergey; Veliyev, Gurban.
Automated Pressure Control for UBD Operations: Case Study and Field Validation. SPE Drilling & Completion 2020 ;Volum 35.(1) s. 38-47
USN NTNU Untitled
 
2019
2 Berg, Christian; Stakvik, Jon Åge; Lie, Bernt; Vågsæther, Knut; Kaasa, Glenn-Ole.
Pressure wave propagation in Managed Pressure Drilling- model comparison with real life data. Linköping Electronic Conference Proceedings 2019 (170) s. 91-98
USN NTNU Untitled
 
3 Jinasena, Asanthi; Kaasa, Glenn-Ole; Sharma, Roshan.
Improved Real-Time Estimation of Return Flow Rate of Drilling Fluids by Model Adaptation for Friction Parameter. IEEE Sensors Journal 2019 ;Volum 19.(20) s. 9314-9323
USN Untitled
 
2018
4 Nikoofard, Amirhossein; Johansen, Tor Arne; Kaasa, Glenn-Ole.
Reservoir characterization in Under-balanced Drilling using Low-Order Lumped Model. Journal of Process Control 2018 ;Volum 62. s. 24-36
NTNU Untitled
 
2017
5 Jinasena, Ansanthi; Kaasa, Glenn-Ole; Sharma, Roshan.
Use of Orthogonal Collocation Method for a Dynamic Model of the Flow in a Prismatic Open Channel: For Estimation Purposes. Linköping Electronic Conference Proceedings 2017 (138) s. 90-96
USN Untitled
 
6 Nikoofard, Amirhossein; Aarsnes, Ulf Jakob Flø; Johansen, Tor Arne; Kaasa, Glenn-Ole.
State and Parameter Estimation of a Drift-Flux Model for Underbalanced Drilling Operations. IEEE Transactions on Control Systems Technology 2017 ;Volum 25.(6) s. 2000-2009
NTNU NORCE Untitled
 
7 Stakvik, Jon Åge; Berg, Christian; Kaasa, Glenn-Ole; Aamo, Ole Morten.
Cascaded bottom hole pressure control in managed pressure drilling. I: 2017 IEEE Conference on Control Technology and Applications (CCTA). IEEE conference proceedings 2017 ISBN 978-1-5090-2182-6. s. 2001-2007
NTNU USN Untitled
 
8 Stakvik, Jon Åge; Berg, Christian; Kaasa, Glenn-Ole; Graham, Robert; Torrealba, Antonio.
Model-Based Control in Managed Pressure Drilling. I: 2017 SPE/IADC - Drilling Conference and Exhibition - digital Proceedings. Society of Petroleum Engineers 2017 ISBN 978-1-61399-501-3.
Untitled
 
2016
9 Kaasa, Glenn-Ole; Oliveira, Vinicius de; Stakvik, Jon Åge; Lehner, Urs.
Flow loop testing verifies adaptive model-based choke control system. Drilling Contractor 2016 ;Volum 72.(02) s. 40-43
NTNU Untitled
 
10 Stakvik, Jon Åge; Berg, Christian; Kaasa, Glenn-Ole; Aamo, Ole Morten.
Adaptive Model Based Choke Control System for MPD Operations. SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition; 2016-04-12 - 2016-04-13
USN NTNU Untitled
 
2015
11 Nikoofard, Amirhossein; Aarsnes, Ulf Jakob Flø; Johansen, Tor Arne; Kaasa, Glenn-Ole.
Estimation of States and Parameters of Drift-Flux Model with Unscented Kalman Filter. 2nd IFAC Workshop on Automatic Control in Offshore Oil and Gas Production; 2015-05-27 - 2015-05-29
NTNU Untitled
 
12 Nikoofard, Amirhossein; Aarsnes, Ulf Jakob Flø; Johansen, Tor Arne; Kaasa, Glenn-Ole.
Estimation of states and parameters of a drift-flux model with unscented kalman filter. IFAC-PapersOnLine 2015 ;Volum 48.(6) s. 165-170
NTNU Untitled
 
13 Nikoofard, Amirhossein; Johansen, Tor Arne; Kaasa, Glenn-Ole.
Evaluation of Lyapunov-based Adaptive Observer using Low-Order Lumped Model for Estimation of Production Index in Under-balanced Drilling. 9th International Symposium on Advanced Control of Chemical Processes (ADCHEM); 2015-06-07 - 2015-06-10
NTNU Untitled
 
14 Nikoofard, Amirhossein; Johansen, Tor Arne; Kaasa, Glenn-Ole.
Evaluation of Lyapunov-based adaptive observer using low-order lumped model for estimation of production index in Under-Balanced Drilling. IFAC-PapersOnLine 2015 ;Volum 48.(8) s. 69-75
NTNU Untitled
 
2014
15 Aarsnes, Ulf Jakob Flø; Di Meglio, Florent; Aamo, Ole Morten; Kaasa, Glenn-Ole.
Fit-for-Purpose Modeling for Automation of Underbalanced Drilling Operations. SPE/IADC Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition; 2014-04-04 - 2014-04-05
NTNU Untitled
 
16 Aarsnes, Ulf Jakob Flø; Di Meglio, Florent; Aamo, Ole Morten; Kaasa, Glenn-Ole.
Fit-for-Purpose Modeling for Automation of Underbalanced Drilling Operations. I: SPE/IADC Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, 8-9 April Madrid, Spain. Society of Petroleum Engineers 2014 ISBN 978-1-61399-319-4. s. -
NTNU Untitled
 
17 Nikoofard, Amirhossein; Johansen, Tor Arne; Kaasa, Glenn-Ole.
Design and comparison of adaptive estimators for Under-Balanced Drilling. American Control Conference (ACC) 2014 s. 5681-5687
NTNU Untitled
 
18 Nikoofard, Amirhossein; Johansen, Tor Arne; Kaasa, Glenn-Ole.
NONLINEAR MOVING HORIZON OBSERVER FOR ESTIMATION OF STATES AND PARAMETERS IN UNDER-BALANCED DRILLING OPERATIONS. ASME 2014 Dynamic Systems and Control (DSC) Conference; 2014-10-22 - 2014-10-24
NTNU Untitled
 
19 Nikoofard, Amirhossein; Johansen, Tor Arne; Kaasa, Glenn-Ole.
NONLINEAR MOVING HORIZON OBSERVER FOR ESTIMATION OF STATES AND PARAMETERS IN UNDER-BALANCED DRILLING OPERATIONS. I: Proceedings ASME 2014 Dynamic Systems and Control Conference, volume 3. The American Society of Mechanical Engineers (ASME) 2014 ISBN 978-0-7918-4620-9. s. -
NTNU Untitled
 
2013
20 Pavlov, Alexey; Kaasa, Glenn-Ole; Willersrud, Anders; Imsland, Lars Struen.
iMPD (intgrated/intelligent) Managed Pressure Drilling. Den 26. Kristiansandkonferansen innen bore- og brønnteknologi; 2013-09-16 - 2013-09-18
NTNU Untitled
 
21 Willersrud, Anders; Imsland, Lars Struen; Pavlov, Alexey; Kaasa, Glenn-Ole.
A Framework for Fault Diagnosis in Managed Pressure Drilling Applied to Flow-Loop Data. Dycops 2013; 2013-12-18 - 2013-12-20
NTNU Untitled
 
22 Willersrud, Anders; Imsland, Lars Struen; Pavlov, Alexey; Kaasa, Glenn-Ole.
A Framework for Fault Diagnosis in Managed Pressure Drilling Applied to Flow-Loop Data. Elsevier IFAC Publications / IFAC Proceedings series 2013 s. 625-630
NTNU Untitled
 
2012
23 Imsland, Lars Struen; Kaasa, Glenn-Ole.
Adaptive approximation-based estimation of downhole pressure in managed pressure drilling. Proceedings of the IEEE Conference on Control Applications 2012 s. 104-111
NTNU Untitled
 
24 Imsland, Lars Struen; Kaasa, Glenn-Ole.
Adaptive approximation-based estimation of downhole pressure in managed pressure drilling. 2012 IEEE Multi-Conference on Systems and Control (MSC 2012); 2012-10-03 - 2012-10-05
NTNU Untitled
 
25 Kaasa, Glenn-Ole; Stamnes, Øyvind Nistad; Imsland, Lars Struen; Aamo, Ole Morten.
Simplified Hydraulics Model Used for Intelligent Estimation of Downhole Pressure for a Managed-Pressure-Drilling Control System. SPE Drilling & Completion 2012 ;Volum 27.(1) s. 127-138
NTNU Untitled
 
26 Langjord, Hege; Kaasa, Glenn-Ole; Johansen, Tor Arne.
Adaptive nonlinear observer for electro-pneumatic clutch actuator with position sensor. IEEE Transactions on Control Systems Technology 2012 ;Volum 20. s. 1033-1040
NTNU Untitled
 
27 Pavlov, A; Kaasa, Glenn-Ole; Landet, Ingar Skyberg; Aamo, Ole Morten.
Handling severe heave for MPD on floater. SPE/IADC Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition; 2012-03-20 - 2012-03-21
NTNU Untitled
 
2011
28 Kaasa, Glenn-Ole; Stamnes, Øyvind Nistad; Imsland, Lars Struen; Aamo, Ole Morten.
Intelligent estimation of downhole pressure using simplified hydraulic model. IADC/SPE Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition; 2011-04-05 - 2011-04-06
NTNU Untitled
 
29 Kaasa, Glenn-Ole; Stamnes, Øyvind Nistad; Imsland, Lars Struen; Aamo, Ole Morten.
Intelligent estimation of downhole pressure using simplified hydraulic model. I: IADC/SPE Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, 5-6 April 2011, Denver, Colorado, USA. Society of Petroleum Engineers 2011 ISBN 978-1-55563-340-0. s. -
NTNU Untitled
 
30 Langjord, Hege; Kaasa, Glenn-Ole; Johansen, Tor Arne.
Adaptive observer-based switched control for electropneumatic clutch actuator with position sensor. IFAC World Congress; 2011-08-28 - 2011-09-02
NTNU Untitled
 
31 Langjord, Hege; Kaasa, Glenn-Ole; Johansen, Tor Arne.
Adaptive observer-based switched control for electropneumatic clutch actuator with position sensor. Elsevier IFAC Publications / IFAC Proceedings series 2011
NTNU Untitled
 
32 Stamnes, Øyvind Nistad; Aamo, Ole Morten; Kaasa, Glenn-Ole.
A constructive speed observer design for general Euler-Lagrange systems. Automatica 2011 ;Volum 47.(10) s. 2233-2238
NTNU Untitled
 
33 Stamnes, Øyvind Nistad; Aamo, Ole Morten; Kaasa, Glenn-Ole.
Adaptive Redesign of Nonlinear Observers. IEEE Transactions on Automatic Control 2011 ;Volum 56.(5) s. 1152-U419
NTNU Untitled
 
34 Stamnes, Øyvind Nistad; Aamo, Ole Morten; Kaasa, Glenn-Ole.
Global output feedback tracking control of Euler-Lagrange systems. Elsevier IFAC Publications / IFAC Proceedings series 2011 s. 215-220
NTNU Untitled
 
35 Stamnes, Øyvind Nistad; Aamo, Ole Morten; Kaasa, Glenn-Ole.
Global output feedback tracking control of Euler-Lagrange systems. IFAC World Congress; 2011-08-28 - 2011-09-02
NTNU Untitled
 
36 Stamnes, Øyvind Nistad; Aamo, Ole Morten; Kaasa, Glenn-Ole.
Redesign of adaptive observers for improved parameter identification in nonlinear systems. Automatica 2011 ;Volum 47.(2) s. 403-410
NTNU Untitled
 
37 Stamnes, Øyvind Nistad; Kaasa, Glenn-Ole; Aamo, Ole Morten.
Adaptive estimation of downhole pressure for managed pressure drilling operations. IEEE Multi-Conference on Systems and Control; 2011-09-28 - 2011-09-30
NTNU Untitled
 
38 Stamnes, Øyvind Nistad; Kaasa, Glenn-Ole; Aamo, Ole Morten.
Adaptive estimation of downhole pressure for managed pressure drilling operations. Proceedings of the IEEE Conference on Control Applications 2011
NTNU Untitled
 
39 Zhou, Jing; Stamnes, Øyvind Nistad; Aamo, Ole Morten; Kaasa, Glenn-Ole.
Switched Control for Pressure Regulation and Kick Attenuation in a Managed Pressure Drilling System. IEEE Transactions on Control Systems Technology 2011 ;Volum 19.(2) s. 337-350
NTNU NORCE Untitled
 
2010
40 Grip, Håvard Fjær; Johansen, Tor Arne; Imsland, Lars Struen; Kaasa, Glenn-Ole.
Parameter estimation and compensation in systems with nonlinearly parameterized perturbations. Automatica 2010 ;Volum 46.(1) s. 19-28
NTNU Untitled
 
41 Langjord, Hege; Kaasa, Glenn-Ole; Johansen, Tor Arne.
Nonlinear observer and parameter estimation for electropneumatic clutch actuator. Elsevier IFAC Publications / IFAC Proceedings series 2010
NTNU Untitled
 
42 Langjord, Hege; Kaasa, Glenn-Ole; Johansen, Tor Arne.
Nonlinear observer and parameter estimation for electropneumatic clutch actuator. IFAC NOLCOS; 2010-09-01 - 2010-09-03
NTNU Untitled
 
43 Pavlov, A; Kaasa, Glenn-Ole; Imsland, Lars Struen.
Experimental disturbance rejection on a full-scale drilling rig. Elsevier IFAC Publications / IFAC Proceedings series 2010
NTNU Untitled
 
44 Pavlov, A; Kaasa, Glenn-Ole; Imsland, Lars Struen.
Experimental disturbance rejection on a full-scale drilling rig. NOLCOS 2010; 2010-09-01
NTNU Untitled
 
45 Stamnes, Øyvind Nistad; Aamo, Ole Morten; Kaasa, Glenn-Ole.
Redesigned adaptive observers with tunable convergence rate. 8th IFAC Symposium on Nonlinear Control Systems; 2010-09-01 - 2010-09-03
NTNU Untitled
 
46 Stamnes, Øyvind Nistad; Aamo, Ole Morten; Kaasa, Glenn-Ole.
Redesigned adaptive observers with tunable convergence rate. Elsevier IFAC Publications / IFAC Proceedings series 2010
NTNU Untitled
 
2009
47 Stamnes, Øyvind Nistad; Zhou, Jing; Aamo, Ole Morten; Kaasa, Glenn-Ole.
Adaptive observer design for nonlinear systems with parametric uncertainties in unmeasured state dynamics. 48th IEEE Conference on Decision and Control; 2009-12-16 - 2009-12-18
NTNU Untitled
 
48 Stamnes, Øyvind Nistad; Zhou, Jing; Aamo, Ole Morten; Kaasa, Glenn-Ole.
Adaptive observer design for nonlinear systems with parametric uncertainties in unmeasured state dynamics. Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes 2009 s. 4414-4419
NTNU Untitled
 
49 Zhou, Jing; Stamnes, Øyvind Nistad; Aamo, Ole Morten; Kaasa, Glenn-Ole.
Pressure regulation with kick attenuation in a managed pressure drilling system. Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes 2009 s. 5586-5591
NTNU NORCE Untitled
 
50 Zhou, Jing; Stamnes, Øyvind Nistad; Aamo, Ole Morten; Kaasa, Glenn-Ole.
Pressure regulation with kick attenuation in a managed pressure drilling system. 48th IEEE Conference on Decision and Control; 2009-12-16 - 2009-12-18
NTNU Untitled
 
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