The Cenozoic succession of the Danish North Sea

Twelve maps of the Cenozoic succession in the Danish North Sea from a GEUS mapping project.

The maps are based on 2-D seismic data from the Danish North Sea and horizons are correlated with a precise, modern, and updated biostratigraphic framework from four wells. In addition, correlation between TWT seismic data and selected wells has been carried out. The maps divide the Cenozoic succession into major depositional units and present a very detailed mapping of the Cenozoic succession, greatly improving understanding of the Cenozoic development and the basis for exploration outside known Cenozoic production areas. Isochore maps provide a detail picture of sequence development of the Cenozoic succession of the Danish North Sea.

It may be used to: 

  • update knowledge on petroleum systems of the Danish North Sea area, including new Miocene plays;
  • reconstruct the older and deeper structural configuration of the Central Graben, improving understanding of non-structural Chalk traps;
  • understand and model petroleum generation during the Cenozoic and migration to up-dip traps on adjacent highs;
  • evaluate acreage to be offered in coming licensing round in Denmark.

The report will be delivered in .pdf format, and all maps in addition in detailed workstation-ready .xyz format.

  • 12 structural depth maps of the Cenozoic sequences from Top Cretaceous to Quaternary in TWT and depth
  • 12 isochore maps
  • Velocity maps
  • 4 key regional well correlation panels
  • Biostratigraphic correlation of the Cenozoic succession
  • Short report of documentation ( pdf file and hard copy)

Companies that have licensed seismic data may in addition buy the actual horizon data.


The study is based on 11 seismic surveys: RTD-81, SP-82, DCS-81, DK1, DK2, CGD-85, NPC-85, UGCD-96, UGCDex-97, NDBT-94 and selected lines from the 3D survey in the Contiguous Area.

A detailed biostratigraphic study based on palynology provides the dating of seismic sequences. This study includes dating of the Cenozoic succession in the Alma-1, Frida-1, Tove-1, S-1 wells as well as more than 50 onshore boreholes and 25 outcrops. The study provides well-to-seismic ties to the C-1, E-1, Inez-1, Mona-1, R-1, Siri-1 wells as well as the afore-mentioned wells.

Erik Skovbjerg Rasmussen
Senior Researcher
Geophysics and Sedimentary Basins

Order data

If you wish to order data please contact


Price structure for the mapping project: 150.000,00 DKK

Price for TWT horizon data to be quoted upon request.

The maps provided in the package are:

  • Top Chalk
  • Top Balder Formation
  • Top Horda (Top Eocene)
  • Top Lower Lark (Top Oligocene)
  • Top Sequence B (Miocene 1)
  • Top Sequence C (Miocene 2)
  • Top Sequence D (Mid Miocene unconformity)
  • Top Sequence E (Miocene 4)
  • Top Sequence F (Top Miocene)
  • Top Sequence G (Pliocene 1)
  • Top Sequence H (Pliocene 2)
  • Top Sequence  I (Top Pliocene)