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perforating gun

1. n. [Perforating]

A device used to perforate oil and gas wells in preparation for production. Containing several shaped explosive charges, perforating guns are available in a range of sizes and configurations. The diameter of the gun used is typically determined by the presence of wellbore restrictions or limitations imposed by the surface equipment.

See: casing gunexpendable gunhigh-shot density gun

Perforating gun
Perforating gun.

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