A SUB SEA HYBRID VALVE ACTUATOR SYSTEM AND METHOD

A sub sea valve actuator system is disclosed, comprising a piston (25) and cylinder (H) assembly and a return spring (29) arranged in an actuator housing (21, 22), a hydraulic pump (3) and electric motor (1) assembly associated with 5 the piston (25) and cylinder (11) assembly, hydraulic flow lines...

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Bibliographische Detailangaben
Hauptverfasser:	PETTERSEN, JAN OLAV, GRIMSETH, TOM, FLIDH, JON, BORCHGREVINK, CHRISTIAN
Format:	Patent
Sprache:	eng ; fre
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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