Ordnance – Well perforators
Reexamination Certificate
2005-07-19
2005-07-19
Eldred, J. Woodrow (Department: 3644)
Ordnance
Well perforators
C102S320000, C102S202120, C102S202140, C175S004560
Reexamination Certificate
active
06918334
ABSTRACT:
A firing head for a perforating gun includes a detonating block having a first end and a second end, with the second end being structured and arranged so as to be located adjacent to a detonation material. A central passage extends through the detonating block from the first end to the second end. A detonator is located and restrained in the passage so as to be adjacent to the detonating material. At least one venting passage extends from the central passage to an exterior of the detonating block.
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patent: 6263283 (2001-07-01), Snider et al.
patent: 6336506 (2002-01-01), Wesson
patent: 6722424 (2004-04-01), Broad
patent: 2002/0125045 (2002-09-01), George
Scalloped Gun System, Owen Oil Tools, 2000, 1 page.
Resistorized Bridge Detonators, Owen Oil Tools, 2000, 1 page.
Petroleum Well Construction, Michael J. Economides, Larry T. Watters, Shari Dunn-Norman, John Wiley & Sons, Ltd., 1998, west Sussex, England, Chapter 13, Perforating by James Barker and Phil Sinder, pp. 345-369.
Eldred J. Woodrow
Mantooth Geoffrey A.
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