MECHANICALLY OPERATED REVERSE CEMENTING CROSSOVER TOOL

A crossover tool for use in a wellbore includes: a tubular housing having a bypass port 108p; a mandrel having a bore therethrough and a mandrel port 130p in fluid communication with the mandrel bore, the mandrel movable relative to the tubular housing between a first position where the mandrel port...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GIROUX, RICHARD L, EVANS, ERIC R
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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