Safety booster for explosive systems
Select fire gun assembly and electronic module for underground j
Select fire well perforator system and method of operation
Sequential detonation of explosive charges
Shaped charge assembly with truncated liner
Shaped recesses in explosive carrier housings that provide...
Shaped recesses in explosive carrier housings that provide...
Small charge blasting apparatus including device for sealing...
Smooth wall blasting in rock
Solid propellant gas generator with adjustable pressure...
System for the initiation of downhole explosive and propellant s