Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 15, 2008
Patent Application Number
11204442
Date Filed
August 16, 2005
Patent Primary Examiner
Patent abstract
A system and method for excavating a subterranean formation, according to which a slurry of liquid and a plurality of impactors are introduced into at least one cavity formed in a body member and are discharged from the cavity so that the impactors remove a portion of the formation. The impactors are separated from at least a portion of the fluid and the materials removed from the formation, so that the impactors can be reused.
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