Shock resistant perforating tool for multizone completions

A method for perforating a wellbore, comprising:

• conveying a perforating tool along the wellbore toward a desired target depth, wherein the perforating tool includes:
• a plurality of perforator units that includes at least a first perforator unit and a second perforator unit;
• and
• a signal transfer module connecting the first perforator unit to the second perforator unit, the signal transfer module including:
• an enclosure having a bore, an input end, and an output end,
• an initiator positioned adjacent to the first perforator unit and at least partially in the enclosure, the initiator configured to generate a shock wave when initiated,
• an igniter positioned in the enclosure and adjacent to the initiator, the igniter configured to generate a low order detonation upon receiving the shock wave generated by the initiator wherein the initiator and the igniter are configured to interact principally through a non-projectile activation,
• a fuse positioned in the enclosure and configured to be initiated by the low order detonation of the igniter, the fuse outputting a high order detonation from the output end of the enclosure, and,
• an isolator securing the fuse in the bore of the enclosure using at least one motion transmitting connection, wherein every motion transmitting connection includes at least one shock attenuator;
• minimizing detrimental contact between the fuse and the enclosure using the at least one shock attenuator, wherein the at least one shock attenuator attenuates at least one of:
• shock and vibration, wherein the attenuation is at least enough to prevent activation of the fuse, the attenuation minimizing detrimental contact between the fuse and the enclosure using the at least one shock attenuator;
• positioning the perforating tool at the desired target depth;
• and
• firing the perforating tool.