Shaped charge well perforator

Details Shaped charge well perforator Shaped charge well perforator

1981-10-13

1983-06-14

Novosad, Stephen J.

Boring or penetrating the earth

Boring with explosion in inaccessible hole

Concave-shaped charge

102476, 102306, E21B 43117

Patent

active

043877737

ABSTRACT:
A shaped charge unit for well perforating having a outer shell with an internal cavity formed therein. An explosive charge material conforms in exterior shape with the inside surface of the cavity and is retained in place by a conical liner of non-explosive material. The interior shape of the cavity is such that an increased amount of explosive material is provided in a circumferential channel located proximate to the periphery of the base of the conical liner.

REFERENCES:
patent: 2782715 (1957-02-01), Udry
patent: 2892407 (1959-06-01), MacLeod
patent: 2984307 (1961-05-01), Barnes
patent: 2988994 (1961-06-01), Fleischer, Jr. et al.
patent: 3129665 (1964-04-01), Evans, Jr.
patent: 3154014 (1964-11-01), Dunne
patent: 3358780 (1967-12-01), Venghiattis
patent: 4220687 (1980-09-01), Christopher

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