METHOD AND MULTI-PURPOSE APPARATUS FOR CONTROL OF FLUID IN WELLBORE CASING

A housing is attached to a tubular sub located within a tubing string suspended in an earth borehole, the connection being an angled ball channel connected between the housing and the tubular sub. A ball carrier is provided within the interior of the housing which can be moved in two opposite direct...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LUTGRING, KEITH, T, LATIOLAIS, BURNEY, J., JR, BUTTERFIELD, CHARLES, A, HAWKINS, SAMUEL, P, BATES, ROBERT, A, LAUREL, DAVID, F
Format:	Patent
Sprache:	eng ; fre ; ger
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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