Boring or penetrating the earth – Boring with explosion in inaccessible hole – With wall engaging packer or anchor
Patent
1986-12-19
1988-04-26
Novosad, Stephen J.
Boring or penetrating the earth
Boring with explosion in inaccessible hole
With wall engaging packer or anchor
175 46, 166 55, E21B 43117
Patent
active
047398396
ABSTRACT:
A perforating gun apparatus includes an elongated radially resilient carrier with a plurality of capsule type shaped charges attached to the carrier in a circumferentially phased pattern. The carrier is capable of passing downward through restricted diameter openings and subsequently expanding so as to hold the shaped charges with a near zero standoff from the well bore which is to be perforated.
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Regalbuto John A.
Walker Jerry L.
Beavers L. Wayne
Duzan James
Jet Research Center Inc.
McCollom Alan T.
Neuder William P.
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