Apparatus for perforating wells

Apparatus for plugging a blast hole in an in situ oil shale reto

Apparatus for severing tubular members

Apparatus for severing tubular members

Apparatus for severing tubular members

Apparatus for shaping a detonation wave

Automatically controlled rock drilling apparatus

Bag for explosives with lower reinforcing sleeves

Barrier breaching device

Beneficial use of class 1.1 rocket propellant

Binary electroexplosive device and method of assembly thereof

Blast and splinter proof screening device and his method of use

Blast focusing method and apparatus

Blast hole liner

Blast movement monitor and method for determining the...

Blast movement monitor and method for determining the...

Blast plug

Blast plug and stemming construction for blast holes

Blasting apparatus

Blasting apparatus