E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/10
E21B 29/00 (2006.01) E21B 43/116 (2006.01)
Patent
CA 2006315
PERFORATING GUN PRESSURE BLEED DEVICE ABSTRACT OF THE DISCLOSURE Hydraulic cylinder apparatus, including a ram and attached piercing element is chained and secured around a perforating gun. A hydraulic cylinder is pressurized to thereby drive the piercing element through the sidewall of the perforating gun. The piercing element is tapered so that it is self-sealing during penetration of the gun sidewall. The piercing element is allowed to retract in a controlled manner so as to control the depressurization of the perforating gun.
Barton John A.
Ricles Thomas D.
Barton John A.
Dresser Industries Inc.
Kirby Eades Gale Baker
Ricles Thomas D.
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