Impact excavation system and method with two-stage inductor
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United States of America Patent
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Jul 15, 2008
Grant Date -
Aug 31, 2006
app pub date -
Aug 16, 2005
filing date -
Apr 16, 2003
priority date (Note) -
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Abstract
A system and method for excavating a subterranean formation according to which a fluid is introduced into a vessel to draw a plurality of impactors into the vessel to form a suspension. The suspension is discharged from the vessel and into another vessel, and fluid is introduced into the other vessel to draw the suspension into the other vessel. A suspension is formed in the other vessel that is discharged towards the formation to remove a portion of the formation.
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