Figure 1 - uploaded by Michele Buia
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Conventional offshore 3D acquisition is still being performed mainly with narrow azimuth streamer configurations, even in structurally complex areas. Attempt at breaking this paradigm have been recently made by the industry through the successful acquisition of some unconventional "Multi-Azimuth" (MAZ), "Wide-Azimith" (WAZ) and "Rich Azimuth" (RAZ)...
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... but not least challenge is the low reflectivity of the target sequence, often falling below the noise level. Due to the mentioned factors, the vintage seismic in the area is of very poor quality (Fig.1). In order to get a better image of the subsurface for the appraisal campaign, it was decided to design a new seismic survey which would adequately address the geophysical problems described above. ...
