Seismic vibrator baseplate

Seismic vibrator baseplate

Seismic vibrator control system

Seismic vibrator controlled by directly detecting base plate...

Seismic vibrator support assembly

Seismic wave generation by a downhole source

Seismic well source

Self-propelled percussion unit and method of using same

Self-propelled percussion unit and method of using same

SH wave generator

Shear wave generator

Shear wave vibrator vehicle isolation system

Signalling device

Sleeve valve for an air gun having a reciprocating shuttle valve

Small powerful hydro gun

Snow field sound imploder

Speaker damper configuration

Spectrally-shaped air gun arrays

Stabilized portable seismic signal transducer

Streamlined, readily towable marine seismic energy source...