SHUTTING DOWN AN UNDERWATER FLUID PRODUCTION WELL

A production control system for an underwater well, comprises: first electrically operated means (16) for supplying first hydraulic fluid, for opening a first control valve (18) of the well; second electrically operated means (22), for supplying second hydraulic fluid at a higher pressure than said...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Davey, Peter John, Kent, Ian John
Format:	Patent
Sprache:	eng
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MINING MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS REGULATING
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