Device for propelling a liquid projectile in a liquid medium wit
Device for securing two or more seismic energy sources at fixed
Disposable point with explosive charge for seismic exploration
Distributed charge for seismic prospecting
Distributed marine seismic source
Downhole seismic source
Drive assembly for acoustic sources
Dual mode seismic source vibrator
Dual-mode hydraulic vibrator
Earth reaction seismic source
Energy source for use in seismic acquisitions
Expanding detonation chamber multi-shot gas exploder
External air release control in seismic air gun
External bubble-suppression method and apparatus
Fail-safe circuit mechanism for generating a pulse indicating th
Fail-safe mechanism for generating a pulse indicating the precis
Fail-safe methods for generating a pulse indicating the precise
Fast cycle seismic gas exploder and method
Firing device, explosive charge, method, and system, for seismic
Flexible marine seismic source