Tubing conveyed perforating gun electrical detonator

Details Tubing conveyed perforating gun electrical detonator Tubing conveyed perforating gun electrical detonator

1984-10-24

1986-03-11

Novosad, Stephen J.

Boring or penetrating the earth

Boring with explosion in inaccessible hole

With position orienting or indicating

166 55, 166297, 166113, 166385, 175 456, E21B 2300, E21B 43119

Patent

active

045748926

ABSTRACT:
For use with a tubing conveyed perforating gun assembly, a wireline manipulated electrically actuated detonator assembly traversing the interior of the tubing is described. In the preferred and illustrated embodiment, a wireline connected with a sinker bar supports the detonator assembly having a sinker bar sub terminating in a taper adjacent to a set of deflectable collet fingers comprising a latch assembly. The collet fingers are deflected outwardly by the tapered surface and are forced into an undercut located above a booster and detonating cord affixed to the tubing conveyed perforating gun assembly for firing the perforating guns.

REFERENCES:
patent: 1641483 (1927-09-01), Greene
patent: 2705920 (1955-04-01), Kanady
patent: 2873675 (1959-02-01), Lebourg
patent: 2876843 (1959-03-01), Huber
patent: 2986214 (1961-05-01), Wiseman, Jr. et al.
patent: 3180261 (1965-04-01), Moore
patent: 4512418 (1985-04-01), Regalbuto et al.

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