Full bore gun system

Details Full bore gun system Full bore gun system

1998-07-09

2000-05-16

Dang, Hoang

Wells

Processes

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

166 551, 175 454, 175 46, E21B 43117

Patent

active

060623101

ABSTRACT:
A tubing conveyed perforating apparatus is shown which includes a tubular assembly made up of a plurality of tubular sections. A plurality of explosive charges are located within the interior bore of at least two of the tubular sections of the tubular assembly. A firing head is carried on the tubular assembly for detonating the explosive charges to perforate a surrounding well bore. The firing head has a concentric detonator arrangement within a hollow central bore. The explosive charges are held within the interior bore of the tubular section by a support. The explosive charges and charge support are comprised of materials which disintegrate upon detonation of the explosive charges, whereby the interior bore of the tubular assembly is fully open after detonation.

REFERENCES:
patent: 2749840 (1956-06-01), Babcock
patent: 2968243 (1961-01-01), Turechek
patent: 3211093 (1965-10-01), McCullough et al.
patent: 3233688 (1966-02-01), Bell
patent: 3706344 (1972-12-01), Vann
patent: 4619333 (1986-10-01), George
patent: 4739707 (1988-04-01), Regalbuto et al.
patent: 5323684 (1994-06-01), Umphries
patent: 5598891 (1997-02-01), Snider et al.
patent: 5829538 (1998-11-01), Wesson et al.

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