Differential fill valve with collet sleeve

A valve housing has a first flapper moveable from an open position in the housing in which two-way flow is allowed to a closed position in which only one-way flow is permitted. A first collet sleeve is moveable from a first position to a second position in the valve housing. The first collet sleeve...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Ahuja, Mayur Narain, Parameshwaraiah, Rajesh, Helms, Lonnie Carl, Niebla, Saul Emmanuel Vazquez, Yuan, Min Mark, Saetre, Tor Sigve, Ardoin, Kevin
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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