New technology breathes life into mature basins

The South Utsira High became a major oil province 45 years after the award of the area’s first license in 1965. Since 2004, Lundin Norway has established a major acreage position here, with a number of new discoveries being made, including Apollo, Edvard Grieg and Johan Sverdrup, showing that there may still be major finds to be made in the North Sea. A small, 3D seismic survey was acquired on the Utsira (or Haugaland) High in 2011, as a pilot research collaboration between CGG and Lundin Norway, to test CGG’s newly-developed, synchronized multi-level broadband source. The success of this project, in reliably acquiring full-bandwidth data with over six octaves of ghost-free signal, delivering high-resolution shallow data, at the same time as clear imaging of the low-frequency deep data, led to the extension of the original survey to cover the majority of the South Utsira High.

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