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Downhole Hammer Assembly

  • US 20080156541A1
  • Filed: 02/26/2008
  • Published: 07/03/2008
  • Est. Priority Date: 12/22/2005
  • Status: Active Grant
First Claim
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1. A drill bit assembly, comprising;

  • a bit body intermediate a shank and a working face;

    the shank being adapted for connection to a drill string;

    the drill string comprising a fluid passage at least partially disposed within the body;

    a hammer assembly movably disposed within the fluid passage along it central axis;

    the hammer assembly comprises a distal end protruding out of the working face and a carrier; and

    the hammer assembly further comprises a biasing element adapted to urge the distal end of the hammer assembly towards the shank.

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