P03 4D RAPID TURNAROUND FOR PERMANENT 4C INSTALLATION Summary 1 We present a case study of using permanently installed ocean bottom cables and a small computer cluster on the platform to dramatically reduce turn around time for full depth migrated 4C4D volumes. We installed a small Linux cluster on the Valhall platform and used it to perform some preprocessing on the data as it was being acquired. The data were then compressed and transmitted to BP’s Houston high performance computing center for sorting and depth migration. One of the main ideas is that when the last shot in the survey


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