Gerhard Nygaard - Concepedia

Author

Gerhard Nygaard

International Research Institute of Stavanger ORCID

Also Known As

G. Nygaard, Gerhard H. Nygaard, Gerhard Haukenes Nygaard, Gerhard Nygaard

Publications

887

Citations

H-Index

Concepts

All Affiliations

International Research Institute of Stavanger University of Stavanger Telemark Research Institute University of Houston Equinor (Norway)

About

Gerhard Nygaard is an author at International Research Institute of Stavanger specializing in drilling, engineering, and systems engineering.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	18	26	774
2	Civil Engineering	8	8	202
3	Computer Engineering	3	3	63
4	Construction Engineering	2	2	30
5	Business	1	1	10

Gerhard Nygaard

Publications

784

Citations

H-Index

Page 1

	Year	Citations
Nonlinear model predictive control scheme for stabilizing annulus pressure during oil well drilling Gerhard Nygaard, Geir Nævdal Journal of Process Control EngineeringAnnulus PressureModel-based Control TechniqueMechanical EngineeringMechanical Systems	2006	80
Evaluation of control methods for drilling operations with unexpected gas influx Liv A. Carlsen, Gerhard Nygaard, Michael Nikolaou Journal of Process Control Gas Field DevelopmentEngineeringDrilling FluidsUnexpected Gas InfluxSystems Engineering	2013	59
A novel model-based scheme for kick and loss mitigation during drilling Espen Hauge, Ole Morten Aamo, John–Morten Godhavn, Journal of Process Control Loss MitigationEngineeringFormation EvaluationSystems EngineeringNovel Model-based Scheme	2013	58
Automatic model-based control scheme for stabilizing pressure during dual-gradient drilling Jing Zhou, Gerhard Nygaard Journal of Process Control Geotechnical EngineeringEngineeringDrilling FluidsMechanical EngineeringProcess Control	2011	49
Reservoir Characterization During Underbalanced Drilling (UBD): Methodology and Active Tests Erlend H. Vefring, Gerhard Nygaard, Rolf J. Lorentzen, SPE Journal EngineeringReservoir EngineeringDrillingGeotechnical EngineeringSystems Engineering	2006	45
Automatic control of managed pressure drilling Øyvind Breyholtz, Gerhard Nygaard, Michael Nikolaou EngineeringDrilling FluidsIndustrial EngineeringUncertainty QuantificationModel-based Control Technique	2010	36
Reservoir Characterization During Underbalanced Drilling: Methodology, Accuracy, and Necessary Data Erlend H. Vefring, Gerhard Nygaard, Kjell Kåre Fjelde, SPE Annual Technical Conference and Exhibition Underbalanced DrillingHydrogeologyEarth ScienceReservoir CharacterizationEngineering	2002	35
On the Advection-Upstream-Splitting-Method Hybrid Scheme: A Simple Transient-Flow Model for Managed-Pressure-Drilling and Underbalanced-Drilling Applications John Emeka Udegbunam, Kjell Kåre Fjelde, Steinar Evje, SPE Drilling & Completion Numerical AnalysisEngineeringDrilling FluidsFlow ControlPetroleum Production Engineering	2015	35
Managed-Pressure Drilling: Using Model Predictive Control To Improve Pressure Control During Dual-Gradient Drilling Øyvind Breyholtz, Gerhard Nygaard, Michael Nikolaou SPE Drilling & Completion EngineeringDrilling FluidsPressure ControlDrillingSystems Engineering	2011	33
Evaluating nonlinear Kalman filters for parameter estimation in reservoirs during petroleum well drilling Gerhard Nygaard, Saba Mylvaganam Parameter EstimationEngineeringPetroleum Production EngineeringReservoir EngineeringState Estimation	2006	32

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