Extendable cutting tools for use in a wellbore

EXTENDABLE CUTTING TOOLS FOR USE IN A WELLBORE A tool (100) for use in a wellbore, comprising: a tubular body (5) having a central bore therethrough, a piston (10): disposed in the body bore, having a bore therethrough, and operable to activate the tool (100); a lock (230) operable to retain the pis...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BRUNNERT, David J, MOODY, Michael, REDLINGER, Thomas M, ANTOINE, Andrew, HARRALL, Simon J, TILTON, Frederick T, VREELAND, Christopher M, ODELL II, Albert C, XU, Wei Jake, LAIRD, Thomas
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:	EXTENDABLE CUTTING TOOLS FOR USE IN A WELLBORE A tool (100) for use in a wellbore, comprising: a tubular body (5) having a central bore therethrough, a piston (10): disposed in the body bore, having a bore therethrough, and operable to activate the tool (100); a lock (230) operable to retain the piston (10) in a deactivated position; an antenna (426) in communication with the central bore for receiving a first instruction signal from a radio frequency identification (RFID) tag (450a,p) pumped through the central bore; a pressure sensor (405) in communication with the central bore for receiving a second instruction signal from pressure pulses transmitted through the central bore; and an electronics package (425) in communication with the antenna (426) and the pressure sensor (405) and having a controller operable to release the lock in response to receiving one of the instruction signals.