Directional de-signature for seismic signals

Multiple suppression in angle domain time and depth migration

Method of multiple attenuation

Processing seismic data

System for attenuation of water bottom multiples in seismic data recorded by pressure sensors and particle motion sensors

Pre-stack combining of over/under seismic data

Method and apparatus for processing seismic data

Method of and an apparatus for processing seismic data

Determination of the height of the surface of a fluid column

Method for seismic exploration utilizing motion sensor and pressure sensor data