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...

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Main Authors 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
LanguageEnglish
Published 02.05.2019
Subjects
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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Summary: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.
Bibliography:Application Number: AU20170202117