U.S. Department of Commerce
An actuation assembly ( 100, 300 ) for actuating a downhole tool ( 200 ) having a tool housing ( 202 ) and an actuation member ( 208 ). The actuation assembly ( 100, 300 ) includes a downhole power unit ( 100 ) and a stroke extender ( 300 ). A power unit housing ( 150 ) is operably associated with an extender housing ( 302 ). A moveable shaft ( 130 ) of the power unit ( 100 ) is operably ...
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