Mining or in situ disintegration of hard material
Tunnel recovery of fluid material
Inventor
active
Blasthole spacing for control of particle size
Blasting to a horizontal free face with mixing of fragments
Cratering in the deep cratering region to form an in situ oil sh
Downhole delay assembly for blasting with series delay
Explosive expansion of formation in lifts for forming an in situ
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Profile ID: LFUS-PAI-P-109367