Downhole vibration assembly and method of using same
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United States of America Patent
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Jul 28, 2020
Grant Date -
Nov 23, 2017
app pub date -
Oct 16, 2015
filing date -
Oct 21, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A vibration assembly of a drilling tool for drilling a wellbore penetrating a subterranean formation is disclosed. The downhole drilling tool includes a drill string, a bottomhole assembly and a drill bit. The vibration assembly includes a housing (334a) operatively connectable to the bottomhole assembly, expanders (122) positionable in the housing and radially extendable and retractable thereabout, and a radial vibrator (comprising mandrel (446), enlarger spring (48), cam portion (458) and vibration spring (570) operatively connectable to the expanders to vibrationally move the expanders against the wall of the wellbore whereby movement of the downhole tool is altered during drilling.
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