Blar i SINTEF Open på forfatter "Ofei, Titus Ntow"
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Rheology assessment and barite sag in a typical North Sea oil-based drilling fluid at HPHT conditions
Ofei, Titus Ntow; Ngouamba, Elie; Opedal, Nils van der Tuuk; Lund, Bjørnar; Saasen, Arild (Peer reviewed; Journal article, 2023)The occurrence of barite sag in drilling fluids has relatively often been the cause for gas kicks in oilwell drilling. The subsequent absorption of gas into drilling fluid could lower the density and reduce the viscosity ...