CPC E21B 43/1185 (2013.01) [E21B 43/119 (2013.01); F42B 3/103 (2013.01); F42D 1/05 (2013.01)] | 20 Claims |
1. A tandem sub for connecting one or more perforating guns comprising:
a body with a first end, a second end, and a hollow inner bore;
wherein the first end is a pinned end adapted to couple to a box end of a First perforating gun housing;
wherein the second end is a pinned end adapted to couple to a box end of a second perforating gun housing; and
wherein the inner bore is adapted to contain a plug and play cartridge detonator assembly that can detonate a detonating cord upon receiving an electrical command from a wire; and
a cartridge detonator assembly disposed within the hollow inner bore, the cartridge detonator further comprising a body housing, an electrical switch and circuit board, a distal end having a detonator, and an electrical contact for electrically coupling the detonator assembly to a signal wire.
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