Tuned air gun array

Tuned vibrator with a compliant connection to the base plate

Undersea implosion device

Underwater generation of low frequency sound

Underwater seismic source

Underwater shear wave vibrator coupling

Underwater sound generator

Underwater sound mitigation system for explosive testing

Use for a seismic energy pulse generator for generating and shap

Valve means for compressed air powered acoustic pulse generator

Vapor implosion in a closed flexible enclosure

Variable cylinder hydraulic vibrator and control system

Variable cylinder hydraulic vibrator and control system

Variable frequency vacuum actuated seismic energy source

Vehicle mounting and deployment arrangement for seismic source

Vehicle-carried vibrator for producing seismic vibrations

Vent means for closed air system impact-type seismic source

Vertical-force vibrator seismic wave source

Vibrating hole forming device for seismic exploration

Vibration generators