Downhole sinusoidal vibrational apparatus
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United States of America Patent
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Mar 29, 2016
Grant Date -
Jul 17, 2014
app pub date -
May 23, 2012
filing date -
May 24, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A device in place as, or suitable for use as, a vibrational tool of or in a downhole assembly, the device having a first magnetic assembly which is to be, or can be, rotated relative to a second magnetic assembly and which, when so rotated, causes the second magnetic assembly to oscillate and/or reciprocate at least substantially in an axial manner; wherein the oscillating and/or reciprocating magnetic assembly, at least substantially, at either one end, or both ends, is attached to and constrained in its oscillations and/or reciprocation by a compliant member thereby allowing the output force to be distributed to the outer body of the vibrational tool and/or any attached uphole and/or downhole tooling, from the compression and extension of the compliant member in a substantially sinusoidal manner.
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