Boring or penetrating the earth
Boring with explosion in inaccessible hole
Concave-shaped charge
Inventor
active
Automatic separation device for use with wireline conveyed perfo
Explosive safe/arm system for oil well perforating guns
High temperature shaped charge perforating apparatus
Implosion shaped charge perforator
Method and apparatus for disarming and arming explosive oil well
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Profile ID: LFUS-PAI-P-307552