Safety vent valve

Details Safety vent valve Safety vent valve

2006-06-01

2009-10-13

Bagnell, David J (Department: 3672)

Wells

Processes

Perforating, weakening, bending or separating pipe at an...

C166S055100

Reexamination Certificate

active

07600568

ABSTRACT:
A perforating system connection sub comprising a vent valve for providing fluid flow communication through the connection sub wall. The vent valve is selectively opened and may include a frangible member. The frangible member is rupterable by the shock wave produced by ignition of an associated detonation cord.

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