Vibrational tool with tool axis rotational mass and method
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United States of America Patent
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Sep 1, 2015
Grant Date -
Jun 5, 2014
app pub date -
Dec 3, 2012
filing date -
Dec 3, 2012
priority date (Note) -
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Abstract
A vibrational tool with tool axis rotational mass and method is disclosed, which may be utilized to assist in lowering a drill string into a wellbore. A reciprocating member and rotatable mass are mounted within a vibrational tool housing. A plurality of curved passageways are positioned to induce rotation in response to fluid flow through the tool housing. As the rotatable mass rotates, a mechanical interconnection causes the reciprocating member to reciprocate, and results in vibrational forces for moving a bottom hole assembly.
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