SEISMIC ARMADA ACQUIRING FULL-AZIMUTH DATA FOR SUB-SALT PROSPECTS

摘要

Some of the best oil and gas prospects in the Gulf of Mexico lie below giant salt structures. Lately, seismic contractors have been shooting wide-azimuth surveys to better image sub-salt reservoir formations. This technique has achieved a step-change improvement in data imaging by increasing the far offsets. Seismic contractor Petroleum Geo-Services (PGS) is going one step even further in its Triton survey through full-azimuth (FAZ) seismic acquisition, with far offsets in excess of 16 km. Conventional wide-azimuth surveys typically provide 8-km offsets.