Debris ejector for a seismic vibrator

Deep water sound imploder

Determination of firing times of acoustic pulses

Determining the polarity of movement of an actuator mass in...

Device for applying pulsed radial stresses to the wall of a well

Device for emitting acoustic waves in a liquid medium

Device for emitting acoustic waves in a liquid medium by implosi

Device for emitting mechanical waves

Device for generating acoustic shear waves in the earth

Device for generating acoustic waves by implosion

Device for generating acoustic waves in a fluid by implosion

Device for generating acoustic waves in a liquid medium

Device for generating focused elastic waves in a material...

Device for generating in the ground both transverse and longitud

Device for generating seismic waves by striking a mass against a

Device for producing mechanical waves

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