DOWNHOLE LUBRICATOR AND METHOD

The invention is an assembly which is run into the wellbore to straddle pre-existing control line connections used normally for actuation of a sleeve for a single subsurface safety valve. the lower flapper is closed through the use of one of the control lines. It is then tested against formation pre...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MCCORRY, MARK, MACLEOD, ALLAN, FALCONER, GRAEME
Format:	Patent
Sprache:	eng ; fre
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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