Well perforating device

Details Well perforating device Well perforating device

1988-12-14

1990-04-24

Nelson, Peter A.

Ammunition and explosives

Blasting

Detonation wave modifying

102310, 102313, 102476, 102493, F42B 102

Patent

active

049190504

ABSTRACT:
An improved well perforating device comprising a body member in the form of a cylindrical pressure vessel containing shaped explosive charges positioned normal to the longitudinal axis of the body member. The perforating device body is systematically shaped externally at the foci of the hollow cones so that both focused and wall expansion energy of the explosive energy of detonation is sufficiently controlled to prevent excessive deformation of the outer diameter of the body member.

REFERENCES:
patent: 3913488 (1975-10-01), Duneta et al.
patent: 3970005 (1976-07-01), Rothman
patent: 4068590 (1978-01-01), Pearson
patent: 4643097 (1987-02-01), Chawla et al.

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