Automated Managed Pressure Drilling (MPD) is a method for fast and accurate pressure control in drilling operations. The achievable performance of automated MPD is limited, firstly, by the control system and, secondly, by the hydraulics model based on which this control system is designed. Hence, an accurate hydraulics model is needed that, at the same time, is simple enough to allow for the use of high performance controller design methods. This paper presents an approach for nonlinear Model Order Reduction (MOR) for MPD systems. For a single-phase flow MPD system, a nonlinear model is derived that can be decomposed into a feedback interconnection of a high-order linear subsystem and low-order nonlinear subsystem. This structure, under certain conditions, allows for a nonlinear MOR procedure that preserves key system properties such as stability and provides a computable error bound. The effectiveness of this MOR method for MPD systems is illustrated through simulations.


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    Title :

    Model order reduction for managed pressure drilling systems based on a model with local nonlinearities


    Contributors:

    Publication date :

    2018-01-01


    Remarks:

    Naderilordejani , S , Besselink , B , Abbasi , M H , Kaasa , G O , Schilders , W H A & van de Wouw , N 2018 , ' Model order reduction for managed pressure drilling systems based on a model with local nonlinearities ' , IFAC-PapersOnLine , vol. 51 , no. 8 , pp. 50-55 . https://doi.org/10.1016/j.ifacol.2018.06.354



    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Classification :

    DDC:    629




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