Browsing NTNU Open by Author "Molaei, A"

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Reservoir Characterization in Under-balanced Drilling with Nonlinear Moving Horizon Estimation with Manual and Automatic Control Conditions

Nikoofard, Amirhossein; Molaei, A; Johansen, Tor Arne (Peer reviewed; Journal article, 2020)

This paper discusses the state estimation of the Under-Balanced Drilling (UBD) system in the presence of parametric uncertainties. During this process, the production indices of oil and gas from the reservoir into the well ...