Control-oriented modelling for managed pressure drilling automation using model order reduction

Sajad Naderilordejani (Corresponding author), B. Besselink, Mohammad H. Abbasi, G.O. Kaasa, Wil H.A. Schilders, Nathan van de Wouw

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Samenvatting

Automation of Managed Pressure Drilling (MPD) enables fast and accurate pressure control in drilling operations. The performance that can be achieved by automated MPD is determined by, firstly, the controller design and, secondly, the hydraulics model that is used as a basis for controller design. On the one hand, such hydraulics model should be able to accurately capture essential flow dynamics, e.g., wave propagation effects, for which typically complex models are needed.
On the other hand, a suitable model should be simple enough to allow for extensive simulation studies supporting well scenario analysis and high-performance controller design.
In this paper, we develop a model order reduction approach for the derivation of such a control-oriented model for {single-phase flow} MPD {operations}. In particular, a nonlinear model order reduction procedure is presented that preserves key system properties such as stability and provides guaranteed (accuracy) bounds on the reduction error. To demonstrate the quality of the derived control-oriented model, {comparisons with field data and} both open-loop and closed-loop simulation-based case studies are presented.
Originele taal-2Engels
TijdschriftIEEE Transactions on Control Systems Technology
VolumeXX
Nummer van het tijdschriftXX
DOI's
StatusGeaccepteerd/In druk - 2020

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