Device and methods for firing perforating guns

  • US 8,079,296 B2
  • Filed: 02/26/2009
  • Issued: 12/20/2011
  • Est. Priority Date: 03/01/2005
  • Status: Active Grant
First Claim
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1. An apparatus for perforating a subterranean formation, comprising:

  • a first perforating gun that is configured to perforate the subterranean formation;

    an activator responsive to the firing of the first perforating gun, wherein the activator includes an energetic material, a pin positioned adjacent to the energetic material, and an igniter positioned adjacent to the pin, wherein a shock wave generated by the energetic material propels the pin into the igniter;

    a fuse element detonated by the activator; and

    a second perforating gun that is configured to perforate the subterranean formation, the second perforating gun having a detonator activated by the fuse element.

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