Downhole tool with roller screw assembly
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United States of America Patent
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Dec 16, 2014
Issued Date -
N/A
app pub date -
Jun 22, 2010
filing date -
Jun 22, 2009
priority date (Note) -
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Abstract
A downhole tool for positioning in a wellbore comprises a tool main body, an electric motor disposed within the tool main body, the motor comprising a rotor rotatably attached to a stator, and a linear actuator assembly disposed within the motor for transforming a rotary output of the motor into a linear displacement.
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