Method for Isolation of Borehole Pressure while Performing a Borehole Operation in a Pressure Isolated Borehole Zone

An adaptive seat is run in with an isolating object to beyond a landing location for the adaptive seat. The adaptive seat is released to expand and engage the surrounding tubular. Pressure from below acts on the object and propels the object against the adaptive seat. The object and the adaptive sea...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Tough, John Murray, Patton, Geoffrey Andrew, Crow, Stephen L
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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