Boring or penetrating the earth – Boring with explosion in inaccessible hole – Concave-shaped charge
Reexamination Certificate
2002-03-28
2004-03-09
Bagnell, David (Department: 3672)
Boring or penetrating the earth
Boring with explosion in inaccessible hole
Concave-shaped charge
C166S055000, C102S321100, C072S276000, C029S03300H, C029S03300H
Reexamination Certificate
active
06702039
ABSTRACT:
FIELD OF THE INVENTION
The subject matter of the present invention relates to perforating gun carriers and their methods of manufacture.
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Markel Daniel C.
Parrott Robert A.
Bagnell David
Echols Brigitte Jeffrey
Griffin Jeffrey
Schlumberger Technology Corporation
Smith Matthew J.
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