Managed pressure drilling system having well control mode

MANAGED PRESSURE DRIL L ING SYST EM HAVING VEL L CONTROL MODE A method of managing drilling pressures, comprising measuring a flow rate of a drilling fluid (60d) injected into a tubular string extending into a subsea wellbore (100) in a formation; measuring a flow rate of returns from a drill bit di...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Grayson, Michael Brian, Boutalbi, Said
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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