Avoiding stick slip vibrations in drilling through startup trajectory design von F. Aarsnes, Ulf Jakob, Di Meglio, Florent, Shor, Roman J.

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A simplified two-phase flow model using a quasi-equilibrium momentum balance von Aarsnes, Ulf Jakob F., Ambrus, Adrian, Di Meglio, Florent, Karimi Vajargah, Ali, Morten Aamo, Ole, van Oort, Eric

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Axial and torsional self-excited vibrations of a distributed drill-string von Aarsnes, Ulf Jakob F., van de Wouw, Nathan

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Boundary Control and Estimation for Underbalanced Drilling With Uncertain Reservoir Parameters von Strecker, Timm, Aarsnes, Ulf Jakob F.

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Dynamics of a distributed drill string system: Characteristic parameters and stability maps von Aarsnes, Ulf Jakob F., van de Wouw, Nathan

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Linear stability analysis of self-excited vibrations in drilling using an infinite dimensional model von Aarsnes, Ulf Jakob F., Aamo, Ole Morten

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Stick-slip and Torsional Friction Factors in Inclined Wellbores von Aarsnes, Ulf Jakob F., Shor, Roman J.

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Flow and pressure control of underbalanced drilling operations using NMPC von Pedersen, Torbjørn, Aarsnes, Ulf Jakob F., Godhavn, John-Morten

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Robust controller design for automated kick handling in managed pressure drilling von Aarsnes, Ulf Jakob F., Açıkmeşe, Behçet, Ambrus, Adrian, Aamo, Ole Morten

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Robust output feedback stabilization of an ODE–PDE–ODE interconnection von Di Meglio, Florent, Lamare, Pierre-Olivier, Aarsnes, Ulf Jakob F.

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Transient modeling of one-dimensional solid-liquid flow in conduits von Aarsnes, Ulf Jakob F., Busch, Alexander

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State and Parameter Estimation of a Drift-Flux Model for Underbalanced Drilling Operations von Nikoofard, Amirhossein, Aarsnes, Ulf Jakob F., Johansen, Tor Arne, Kaasa, Glenn-Ole

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Closed-loop tool face control with the bit off-bottom von Auriol, Jean, Shor, Roman J., Aarsnes, Ulf Jakob F., Meglio, Florent Di

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Review of two-phase flow models for control and estimation von Aarsnes, Ulf Jakob F., Flåtten, Tore, Aamo, Ole Morten

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Robust Control Design of Underactuated 2 × 2 PDE-ODE-PDE Systems von Auriol, Jean, Aarsnes, Ulf Jakob F., Meglio, Florent Di, Shor, Roman

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Torsional vibrations with bit off bottom: Modeling, characterization and field data validation von Aarsnes, Ulf Jakob F., Shor, Roman J.

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Estimation of States and Parameters of a Drift-Flux Model with Unscented Kalman Filter von Nikoofard, Amirhossein, Aarsnes, Ulf Jakob F., Johansen, Tor Arne, Kaasa, Glenn-Ole

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Effect of shock subs on self-excited vibrations in drilling systems von Aarsnes, Ulf Jakob F., van de Wouw, Nathan

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Estimating friction factors while drilling von Aarsnes, Ulf Jakob F., Auriol, Jean, Di Meglio, Florent, Shor, Roman J.

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A phenomenological transient model of bit foundering von Aarsnes, Ulf Jakob F., Ambrus, Adrian, Di Meglio, Florent, Gerbaud, Laurent

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