Enhancements in Central Northsea Subsalt Imaging – An Example of the Use of Multi-Valued Pre-Stack Depth Migration

E-04 ENHANCEMENTS IN CENTRAL NORTHSEA SUBSALT IMAGING – AN EXAMPLE OF THE USE OF MULTI-VALUED PRE-STACK DEPTH MIGRATION Abstract 1 ROB WERVELMAN 1 BOUDEWIJN SALOMONS 2 and EWOUD VAN DEDEM 2 1 Shell Expro 1 Altens Fram Road AB12 3FY Nigg Aberdeen Scotland UK Exploration drilling in the ‘90s in the UK Central NorthSea has realised large hydrocarbon potential within Tertiary structures pierced by salt diapirs. These diapirs provide structure a sealing/trapping mechanism and an access to a hydrocarbon source. However the associated geology and sedimentology as revealed by drilling are extremely complex. The geophysical challenge of properly imaging and