EXPLOSIVE SHOCK DISSIPATER
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United States of America Patent
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Issued Date -
Jun 18, 2009
app pub date -
Dec 17, 2007
filing date -
Dec 17, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of dampening stress waves propagated from the detonation of an explosive device in a wellbore to protect a device positioned downhole including the steps of positioning a shock dissipater between an explosive device and a package; detonating the explosive device propagating a stress wave toward the shock dissipater and the package; and reflecting a portion of the stress wave in the shock dissipater. The shock dissipater may have one or more interface formed between materials of dissimilar acoustic impedances. The shock dissipater may reflect a compressive portion of the stress wave at one interface and a tensile portion of the stress wave at another interface.
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