Description     Claims     Drawing  

US62185793   [0001] 
US792510   [0025] 
US20050195686A   [0025] 
US7359283B   [0025] 

Attenuation of free-surface multiples by up-down deconvolution for marine towed streamer data   [0003] 
Attenuation of free-surface multiples from marine pressure and pressure-gradient   [0004]