Perforation gun with integral debris trap apparatus and...

Details Perforation gun with integral debris trap apparatus and... Perforation gun with integral debris trap apparatus and...

2006-03-10

2008-10-28

Bagnell, David J. (Department: 3672)

Wells

Processes

Perforating, weakening, bending or separating pipe at an...

C166S055000, C166S055100, C166S099000, C175S004000

Reexamination Certificate

active

07441601

ABSTRACT:
An improved perforation gun includes an outer gun barrel, which is used in conjunction with an inner movable charge carrier or an inner movable sleeve to trap virtually all of the debris created by the firing of the perforation gun. The charge carrier has a plurality of explosive charges initially aligned with complementary, pre-existing holes in the wall of the charge carrier, which are initially aligned with complementary, pre-existing scalloped sections of the outer gun barrel.

REFERENCES:
patent: 3630282 (1971-12-01), Lanmon, II
patent: 6220370 (2001-04-01), Wesson et al.
patent: 6487973 (2002-12-01), Gilbert et al.
patent: 2004/0211565 (2004-10-01), Kash
patent: 2007/0107589 (2007-05-01), Rospek et al.
patent: WO 2005/033472 (2005-04-01), None

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