Method and apparatus for firing exploding foil initiators over l

Details Method and apparatus for firing exploding foil initiators over l Method and apparatus for firing exploding foil initiators over l

1989-11-08

1990-07-31

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

1022427, F42B 310, F42C 1912

Patent

active

049442252

ABSTRACT:
A method and apparatus for use in well perforating systems and disclosed for firing slapper on exploding foil initiator over relatively lengthy firing lines. Specially designed detonators or initiators of the exploding foil or slapper type are used wherein the type of material used and/or the geometry of the exploding foil causes electrical preloading of the firing lines from the firing pulse generator to the detonator or initiator. The preloading prevents premature inductive and resistive disposition of the high intensity firing pulse traversing the firing lines.

REFERENCES:
patent: 2399034 (1946-04-01), Huyett et al.
patent: 3366055 (1968-01-01), Hollander, Jr.
patent: 4471697 (1984-09-01), McCormick et al.
patent: 4762067 (1988-08-01), Barker et al.
patent: 4819560 (1989-04-01), Patz et al.
patent: 4862803 (1989-09-01), Nerheim et al.

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