Tubing pressure insensitive surface controlled subsurface safety valve

Method and systems for opening and closing a subsurface valve are disclosed. A rod piston forms a first piston chamber, a second piston chamber and a third piston chamber within a housing. The first piston chamber is fluidically coupled to a high tubing pressure and the second piston chamber is flui...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Jimmie Robert Williamson, James Dan Vick, Jeremy Pike Brimer
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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