Dual redundant detonating system for oil well perforators

Details Dual redundant detonating system for oil well perforators Dual redundant detonating system for oil well perforators

E - Fixed Constructions

21

B

E21B 43/116 (2006.01) E21B 43/1185 (2006.01)

Patent

CA 2181091

The invention is an apparatus for initiating a wellbore perforator comprising a first firing head for generating a first explosive signal when a first actuation signal is applied to the first firing head, a second firing head for generating a second explosive signal when a second actuation signal is applied to the second firing head, a first means for transferring the first explosive signal to shaped charges in the perforator including a first bulkhead interposed between the shaped charges and the first means for preventing transfer of low order initiation of the first means to the shaped charges, and a second means for transferring the second explosive signal to the shaped charges including a second bulkhead interposed between the shaped charges and the secondmeans for preventing transfer of low order initiation of the second means to the shaped charges.

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