Controlled Pressure Drilling System with Flow Measurement and Well Control

A drilling system for drilling a wellbore has one or more valves or chokes to control the upstream pressure of drilling fluid flow in a controlled pressure drilling operation. A measurement is obtained of the drilling fluid flow from the wellbore. Based on the obtained measurement, the drilling flui...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DILLARD WALTER S, GEORGE GERALD G, VIERAITIS DAVID J, NORTHAM PAUL R
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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