Through bulkhead explosive initiator for oil well usage

Details Through bulkhead explosive initiator for oil well usage Through bulkhead explosive initiator for oil well usage

1987-07-06

1988-07-26

Brown, David H.

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

1022755, 1022756, F42C 1912, F42B 1908, F42D 104

Patent

active

047592915

ABSTRACT:
In an exposed perforating gun assembly, contact with well fluids at high pressure and temperature is detrimental to explosives in the explosive train. This device protects such explosives and includes a cylindrical housing with a bore having an electrical feedthrough at one end, an enclosed initiator, a cooperative sleeve and cooperative sealed retainer. The detonating cord is sealed into proximity with the initiator and is held against high pressure extrusion by the sealed retainer.

REFERENCES:
patent: 2889773 (1959-06-01), Staadt et al.
patent: 3244103 (1966-04-01), Spickard
patent: 4464989 (1984-08-01), Gibson et al.
patent: 4484523 (1984-11-01), Smith et al.
patent: 4608926 (1986-09-01), Stevens
patent: 4621578 (1986-11-01), Vallieres et al.
patent: 4660472 (1987-04-01), Stevens
patent: 4664033 (1987-05-01), Burkdoll et al.

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