A downhole tool with shape memory alloy actuator

A downhole tool actuator includes a shape memory material; a pulley system engaged with the shape memory material and fixed in position; and a downhole tool component operatively connected to the shape memory material and moveable in response to a phase change of the shape memory material from a mar...

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Bibliographische Detailangaben
1. Verfasser:	GARY(BEN) B. LAKE
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:	A downhole tool actuator includes a shape memory material; a pulley system engaged with the shape memory material and fixed in position; and a downhole tool component operatively connected to the shape memory material and moveable in response to a phase change of the shape memory material from a martensitic phase to an austenitic phase and method.