By August 2014 a full Permanent Reservoir Monitoring system was installed on the seafloor at the Grane field.Thirteen months later, in September 2015, three full field surveys have been acquired.

The requirements for high data quality, frequent acquisition and expected turnaround for acquisition and processing have been retrieved. Preliminary processed data have been delivered few weeks after last shot was acquired. Production effects are observed and confirm the usability and ability of frequently acquire high quality 4D seismic data.


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