Method and apparatus for firing borehole perforating apparatus

Wells – Processes – Perforating – weakening – bending or separating pipe at an...

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166 551, 175 454, E21B 43117

Patent

active

047702460

ABSTRACT:
Method and apparatus for firing perforating apparatus in a borehole. A pressure actuated firing assembly is run into the borehole on th eend of a cable and latched onto a perforating apparatus. The cable is removed and pressure is applied to the tubing annulus. At a predetermined pressure the firing asembly is armed. After arming pressure is released from the tubing annulus during a time delay period before the firing assembly impacts a percussion firing head to thereby detonate the perforating apparatus.

REFERENCES:
patent: 2304408 (1942-12-01), Holifield
patent: 3040808 (1962-06-01), Schramm et al.
patent: 3189094 (1965-06-01), Hyde
patent: 4484632 (1984-11-01), Vann
patent: 4484639 (1984-11-01), Ayers
patent: 4509604 (1985-04-01), Upchurch
patent: 4523643 (1985-06-01), McGlothen
patent: 4544034 (1985-10-01), George
patent: 4554981 (1985-11-01), Davies
patent: 4560000 (1985-12-01), Upchurch
patent: 4564076 (1986-01-01), Vann et al.
patent: 4566538 (1986-01-01), Peterson
patent: 4572288 (1986-02-01), Kinley
patent: 4605074 (1986-08-01), Barfield
patent: 4606409 (1986-08-01), Peterson et al.
patent: 4616718 (1986-10-01), Gambertoglio
patent: 4648470 (1987-03-01), Gambertoglio

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