HYDRAULIC UNDERBALANCE INITIATED SAFETY FIRING HEAD, WELL COMPLETION APPARATUS INCORPORATING SAME, AND METHOD OF USE

A firing head assembly is described. The firing head assembly includes a tubular housing, upper piston and lower pistons, and a compressible member arranged within a lumen of the tubular housing and positioned between the upper and lower pistons. According to an aspect, the assembly includes a safet...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Mulhern, Eric, Preiss, Frank Haron
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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