DOWNHOLE ACTUATION BALL, METHODS AND APPARATUS

An actuation ball for a downhole tool, the actuation ball includes an outer annular body encircling a bore; and a core releasably installed in the bore, such that the core can be removed to permit back flow through the bore.

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Bibliographische Detailangaben
Hauptverfasser:	EMERSON JOHN LEE, VAN PETEGEM RONALD
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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Beschreibung
Zusammenfassung:	An actuation ball for a downhole tool, the actuation ball includes an outer annular body encircling a bore; and a core releasably installed in the bore, such that the core can be removed to permit back flow through the bore.