Marine vibrator

Mass retrieval for acoustic pulse generator

Means for flexibly guiding the travel of an upwardly propelled w

Means for seismic prospecting from bulk liquid carriers

Method and apparatus for creating seismic waves in the earth

Method and apparatus for detonation of distributed charges

Method and apparatus for generating a long sequence of seismic p

Method and apparatus for generating pressure waves in water by i

Method and apparatus for generating seismic energy in transition

Method and apparatus for generating seismic impulses using high

Method and apparatus for generating seismic waves

Method and apparatus for generating seismic waves

Method and apparatus for generation of acoustic energy

Method and apparatus for imparting a seismic pulse to the earth

Method and apparatus for measuring seismic energy imparted...

Method and apparatus for reducing the stretch of an elastomeric

Method and apparatus for sensing when a seismic gas exploder is

Method and apparatus for the production of seismic shocks

Method and system for generating shear waves and compression wav

Method and system for well velocity shooting and vertical seismi