Shaped charge mounting system

Details Shaped charge mounting system Shaped charge mounting system

1980-04-07

1982-01-26

Brown, David H.

Ammunition and explosives

Blasting

Detonation wave modifying

10227512, 175 46, E21B 700, E21B 43117, F42B 308

Patent

active

043122736

ABSTRACT:
A mounting system for shaped charge explosive perforation of an oil well casing (24) includes an elongated support panel (28) having spaced apertures (44, 46) receiving cylindrical-conical shaped charges (26) retained by spring wire clips (30). The shaped charge (26) has an open mouth cylindrical portion (36) with a shoulder (52) at a reduction to the diameter of the apertures (44, 46), and a circumferential groove (54) spaced from the shoulder (52) a distance about equal to the thickness of the panel (28). The spring wire clip (30) has a semicircular portion (78) mating in the circumferential groove (54) for about 180.degree., and has oppositely directed radical extensions (70, 72) terminating in hooks (74, 76) which extend above the panel (28) to receive and position primer cord (32) seated in a transverse groove (62) in the apex (64) of the conical portion (34) of the shaped charge (26).

REFERENCES:
patent: 2756677 (1956-07-01), McCullough
patent: 2764938 (1956-10-01), Harcus
patent: 3048101 (1962-08-01), Lebourg
patent: 3078797 (1963-02-01), Blair
patent: 3282213 (1966-11-01), Bell et al.
patent: 3650212 (1972-03-01), Bauer
patent: 3739723 (1973-06-01), Hakala

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