Automation of Managed Pressure Drilling (MPD) allows for fast and accurate pressure control in drilling operations. The achievable performance in automated MPD with model-based controllers is determined by the controller and, indirectly, also by the hydraulics model used for controller synthesis. On the one hand, such a hydraulics model should accurately capture essential flow dynamics of the system such as, e.g., wave propagation effects, for which typically complex models are needed. On the other hand, a suitable model should be simple enough to facilitate high-performance controller design as well as to support fast simulation studies supporting well scenario analysis. This paper shows that low-order models in terms of delay differential equations can effectively meet these requirements. Moreover, we propose a data-based model reduction technique to construct these low-order delay models. Next, based on this reduced-complexity model, a novel controller is designed to regulate the downhole pressure. Simulation results confirm that this controller outperforms existing pressure controllers in realistic drilling scenarios related to the mitigation of liquid kicks and mud losses encountered when drilling into high- or low-pressure zones.


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    Titel :

    Model complexity reduction and controller design for managed pressure drilling automation


    Beteiligte:

    Erscheinungsdatum :

    2023-02-01


    Anmerkungen:

    Naderi Lordejani , S , Besselink , B , Schilders , W H A & van de Wouw , N 2023 , ' Model complexity reduction and controller design for managed pressure drilling automation ' , Journal of Process Control , vol. 122 , pp. 69-83 . https://doi.org/10.1016/j.jprocont.2022.11.012



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Klassifikation :

    DDC:    629



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