Complete Bouguer Correction - Statoil database Offshore Mid-Norway
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Correction of an offshore gravity data set (free-air data) by applying Complete Bouguer Correction. The new gravity anomaly map for the North Atlantic released in 2010 by NGU (Olesen et al. 2010) and the ocean wide gravity field DTU2010 show a significantly higher mismatch on the Norwegian shelf than expected by the estimated resolutions of the individual data sets. A possible reason for this could be the levelling procedure. The marine database of Statoil was therefore re-processed by Intrepid Geophysics (levelling and free-air calculation) which improved the data set and reduced the mismatch. NGU was asked to do the Complete Bouguer correction which contains simple Bouguer Correction (with a Bouguer slab) and Terrain Correction.