The Acoustic wavefield generated by a vessel sailing on top of a streamer spread

During the acquisition of a source-over-cable survey in the Barents Sea, part of one sail line was repeated without triggering the airgun arrays. The acoustic signals associated with the vessel sailing on top of the streamer spread were recorded continuously by the streamers. This acquisition configuration offers an almost complete measurement of the wavefield generated by the vessel covering a large range of emission angles and frequencies. The acoustic wavefield generated by this vessel has been characterized from the measured direct arrivals. The image obtained after deconvolving this wavefield from the received wavefield will be presented and compared to the image obtained from an airgun source.