Whipstock valve with nozzle bypass feature

A valve for subterranean whipstock service has a side port and a through passage with a biased movable sleeve to shift between circulation mode into the annulus and flow through mode for setting an anchor and then feeding window mill nozzles. The valve is run in when in circulation mode to allow ope...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Bulloch, Dylan A, Palmer, Larry T, Hern, Gregory L, Cullum, Jason 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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