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A perforating system includes a casing collar locator. The casing collar locator includes a coil. The perforating system includes a plurality of perforation charge elements. Each perforation charge element is in a circuit parallel to the coil. The perforating system includes a transient voltage supp

A perforating system includes a casing collar locator. The casing collar locator includes a coil. The perforating system includes a plurality of perforation charge elements. Each perforation charge element is in a circuit parallel to the coil. The perforating system includes a transient voltage suppressor in a circuit parallel to the coil.

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1. A perforating system comprising: a casing collar locator comprising a coil;a plurality of perforation charge elements, each perforation charge element being in a circuit parallel to the coil; anda transient voltage suppressor in a circuit parallel to the coil,wherein at least some of the perforat

1. A perforating system comprising: a casing collar locator comprising a coil;a plurality of perforation charge elements, each perforation charge element being in a circuit parallel to the coil; anda transient voltage suppressor in a circuit parallel to the coil,wherein at least some of the perforating charge elements comprise: a pressure-activated switch;a steering diode;a perforation charge;the pressure-activated switch, steering diode, and perforation charge wired in series into a series circuit; andthe pressure-activated switch connecting the series circuit in parallel with the coil upon the application of pressure. 2. The perforating system of claim 1 wherein: the casing collar locator and the transient voltage suppressor are housed in the same housing. 3. The perforating system of claim 1 wherein: the transient voltage suppressor is housed separately from the casing collar locator and the plurality of perforation charge elements. 4. The perforating system of claim 1 wherein each perforation charge element comprises an RF-safe perforation charge. 5. A method comprising: providing a casing collar locator comprising a coil;providing a perforation charge element in a circuit parallel to the coil; andproviding a transient voltage suppressor in a circuit parallel to the coil,wherein providing the perforating charge element comprises: providing a pressure-activated switch;providing a steering diode;providing a perforation charge;wiring the pressure-activated switch, steering diode, and perforation charge into a series circuit; andcoupling the series circuit in parallel with the coil upon the application of pressure to the pressure-activated switch. 6. The method of claim 5 further comprising: housing the casing collar locator and the transient voltage suppressor in the same housing. 7. The method of claim 5 further comprising: housing the transient voltage suppressor separately from the casing collar locator and the plurality of perforation charge elements. 8. The method of claim 5 wherein providing the perforation charge element comprises providing an RF-safe perforation charge. 9. A perforating system comprising: a casing collar locator comprising a coil;a plurality of perforation charge elements, each perforation charge element being in a circuit parallel to the coil; anda transient voltage suppressor in a circuit parallel to the coil,wherein the transient voltage suppressor comprises a plurality of transient suppression devices, each housed with a separate perforation charge element. 10. The perforating system of claim 9 wherein at least some of the perforating charge elements comprise: a pressure-activated switch;a steering diode;a perforation charge;the pressure-activated switch, steering diode, and perforation charge wired in series into a series circuit; andthe pressure-activated switch connecting the series circuit in parallel with the coil upon the application of pressure. 11. The perforating system of claim 9 wherein each perforation charge element comprises an RF-safe perforation charge. 12. A method comprising: providing a casing collar locator comprising a coil;providing a perforation charge element in a circuit parallel to the coil;providing a transient voltage suppressor in a circuit parallel to the coil,wherein:providing the transient voltage suppressor comprises providing a plurality of transient suppression devices;the method further comprises providing a plurality of perforation charge elements; andthe method further comprises housing each transient suppression device with a separate perforation charge element. 13. The method of claim 12 wherein providing the perforating charge element comprises: providing a pressure-activated switch;providing a steering diode;providing a perforation charge;wiring the pressure-activated switch, steering diode, and perforation charge into a series circuit; andcoupling the series circuit in parallel with the coil upon the application of pressure to the pressure-activated switch. 14. The method of claim 12 wherein providing the perforation charge element comprises providing an RF-safe perforation charge.