SUBSURFACE SAFETY VALVE ACTUATOR

A subsurface safety valve actuation system in well tubing comprising a safety valve, piston assembly, motor, pump, spring, reservoir, first valve, and second valve configured to provide pressure in a chamber of the piston assembly that drives the safety valve to an open position, retain pressure in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	JANG, In Chul, GIANGRECO-MAROTTA, Joseph, GEIGER, David, BLASZ, Jeff, HALLORAN, Daniel
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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