Boring or penetrating the earth – Boring with explosion in inaccessible hole – Concave-shaped charge
Patent
1983-05-05
1985-08-13
Novosad, Stephen J.
Boring or penetrating the earth
Boring with explosion in inaccessible hole
Concave-shaped charge
166 55, 166297, E21B 4311
Patent
active
045344230
ABSTRACT:
A perforating gun carrier comprising an inner substantially tubular housing within an outer substantially tubular sleeve. The inner housing includes gun ports extending through the wall thereof in a pattern corresponding to the pattern of shaped charges to be carried within. The sleeve may be secured to the housing by welding, soldering, brazing, adhesive bonding or other known method, may be shrink-fit onto the housing, or may be mechanically secured thereon.
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patent: 3429384 (1969-02-01), Shore
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patent: 3773119 (1973-11-01), Shore
patent: 3856094 (1974-12-01), Davis
patent: 4428440 (1984-01-01), McPhee
Jet Research Center Inc.
Neuder William P.
Novosad Stephen J.
Walkowski Joseph A.
Weaver Thomas R.
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