E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/118 (2006.01) E21B 43/1185 (2006.01) F42C 5/00 (2006.01) F42C 15/33 (2006.01) F42D 1/04 (2006.01)
Patent
CA 2172046
A fluid actuated detonating device is shown being used to activate explosive devices in a borehole. The detonating device has an explosive detonation charge (72, 74) arranged in a housing (98) wherein a rupture disc (68) in the wall of the housing separates the explosive charge (72, 74) from a fluid environment (99) so that when pressure in the fluid environment (99) is raised to a sufficient level the rupture disc (68) fails and communicates a sudden pressure wave to the explosive (72, 74) to detonate the explosive (72, 74).
Un système de détonation déclenché par fluide est utilisé pour déclencher des dispositifs explosifs dans un trou de forage. Le dispositif détonateur comprend une charge (72, 74) de détonation d'explosifs disposée dans une enveloppe (98), un disque de rupture (68), placé dans la paroi de l'enveloppe, séparant la charge explosive (72, 74) d'un fluide environnant (99) afin que, lorsque la pression dans le fluide (99) est suffisamment augmentée, le disque de rupture (68) se rompt et communique une onde de pression abrupte à l'explosif (72, 74), provoquant ainsi la détonation de ce dernier.
Conoco Inc.
E. I. Du Pont de Nemours And Company
Oyen Wiggs Green & Mutala Llp
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