Non-explosive two component initiator

Details Non-explosive two component initiator Non-explosive two component initiator

F - Mech Eng,Light,Heat,Weapons

42

B

F42B 3/12 (2006.01) E21B 43/263 (2006.01) F42B 3/02 (2006.01)

Patent

CA 2528190

Methods and apparatus for detonating explosives or igniting flammables are disclosed. According to some embodiments of the invention, initiators include an initiating component holding an exploding bridgewire (EBW) or an exploding foil initiator (EFI) and a flammable component housing thermite. An end of the flammable component mates with a corresponding end of the initiating component. A method of initiating the explosives or flammables includes connecting the two components to assemble the initiator, disposing the initiator proximate the explosives or flammables, and activating the initiator to cause ignition of the thermite that then initiates the explosives or flammables. Additionally, a non-explosive kit for the initiator includes the two components with the EBW or EFI initially spaced from the thermite within the flammable component to make the initiator disarmed until final assembly thereof. Cutting torches and perforating guns provide examples of downhole tools that benefit from aspects of the invention.

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