Perforating charge for use in a well

Details Perforating charge for use in a well Perforating charge for use in a well

2011-07-26

2011-07-26

Hayes, Bret (Department: 3641)

Ammunition and explosives

Blasting

Detonation wave modifying

C102S306000, C102S308000, C102S309000, C102S310000, C102S476000, C089S001150

Reexamination Certificate

active

07984674

ABSTRACT:
A perforating charge for use in a wellbore includes an explosive and a liner to be collapsed by detonation of the explosive. The liner includes at least a first liner portion and a second liner portion which have different cohesiveness.

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