Reduced wavenumber synthetic aperture
Reducing aliasing artifacts in seismic data processing using sha
Reduction of low frequency vibrational noise in towed arrays
Reduction of sideswipe noise from seismic data by null steering
Reflected shear wave seismic processes
Reflective object detecting apparatus
Reflective object detector with compensated receiver signal
Regenerative radio-frequency wire detector
Regulated ultrasonic generator
Reinforced foam core acoustic baffle
Reinforcement of surface seismic wavefields
Reinforcing device in the inner portion of seismic cables
Releasable airborne buoy
Remote acoustic monitoring device which is testable by variation
Remote attitude and position indicating system
Remote calibration of acoustic transducer array
Remote control cable depth control apparatus
Remote control command system
Remote control device for controlling electronic devices
Remote cut-off valve