Adaptive control of a bit during downhole operations

Adaptive control of a bit during downhole operations

An apparatus for adaptive control for a downhole bit has a number of sensors 2101,2103, 2105, which send information based on downhole parameters to a controller 2100 carried near to a drill head. Based on the information sent to the controller 2100, it can activate actuators 2109, 2111, 2113, to al...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DON QUY NGUYEN, CHIH LIN, SCOTT RAY SCHMIDT, ERIC CHARLES SULLIVAN, GLENN R ZADRAPA, THEODORE EDWARD ZALESKI
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 apparatus for adaptive control for a downhole bit has a number of sensors 2101,2103, 2105, which send information based on downhole parameters to a controller 2100 carried near to a drill head. Based on the information sent to the controller 2100, it can activate actuators 2109, 2111, 2113, to alter the downhole operations, for example, the direction of the drill bit, angle of drill cones, angle of coolant nozzles or speed of rotation of the bit.